Michael Jurka
4c1085f8d9
- Drop items in the right spot - When in spring loaded mode from All Apps, keep the workspaces visible (as is the intended behavior in All Apps)
3167 lines
134 KiB
Java
3167 lines
134 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher2;
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import com.android.launcher.R;
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import com.android.launcher2.InstallWidgetReceiver.WidgetMimeTypeHandlerData;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.AnimatorSet;
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import android.animation.ObjectAnimator;
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import android.animation.PropertyValuesHolder;
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import android.animation.TimeInterpolator;
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import android.animation.ValueAnimator;
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import android.animation.Animator.AnimatorListener;
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import android.animation.ValueAnimator.AnimatorUpdateListener;
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import android.app.AlertDialog;
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import android.app.WallpaperManager;
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import android.appwidget.AppWidgetManager;
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import android.appwidget.AppWidgetProviderInfo;
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import android.content.ClipData;
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import android.content.ClipDescription;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ProviderInfo;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.Camera;
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import android.graphics.Canvas;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.graphics.Region.Op;
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import android.graphics.drawable.Drawable;
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import android.net.Uri;
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import android.os.IBinder;
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import android.os.Parcelable;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.util.Pair;
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import android.view.Display;
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import android.view.DragEvent;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.animation.DecelerateInterpolator;
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import android.widget.TextView;
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import android.widget.Toast;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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/**
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* The workspace is a wide area with a wallpaper and a finite number of pages.
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* Each page contains a number of icons, folders or widgets the user can
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* interact with. A workspace is meant to be used with a fixed width only.
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*/
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public class Workspace extends SmoothPagedView
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implements DropTarget, DragSource, DragScroller, View.OnTouchListener {
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@SuppressWarnings({"UnusedDeclaration"})
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private static final String TAG = "Launcher.Workspace";
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// This is how much the workspace shrinks when we enter all apps or
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// customization mode
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private static final float SHRINK_FACTOR = 0.16f;
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// How much the screens shrink when we enter spring loaded drag mode
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private static final float SPRING_LOADED_DRAG_SHRINK_FACTOR = 0.7f;
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// Y rotation to apply to the workspace screens
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private static final float WORKSPACE_ROTATION = 12.5f;
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// These are extra scale factors to apply to the mini home screens
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// so as to achieve the desired transform
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private static final float EXTRA_SCALE_FACTOR_0 = 0.972f;
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private static final float EXTRA_SCALE_FACTOR_1 = 1.0f;
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private static final float EXTRA_SCALE_FACTOR_2 = 1.10f;
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private static final int CHILDREN_OUTLINE_FADE_OUT_DELAY = 0;
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private static final int CHILDREN_OUTLINE_FADE_OUT_DURATION = 375;
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private static final int CHILDREN_OUTLINE_FADE_IN_DURATION = 100;
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private static final int BACKGROUND_FADE_OUT_DURATION = 350;
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private static final int BACKGROUND_FADE_IN_DURATION = 350;
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// These animators are used to fade the children's outlines
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private ObjectAnimator mChildrenOutlineFadeInAnimation;
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private ObjectAnimator mChildrenOutlineFadeOutAnimation;
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private float mChildrenOutlineAlpha = 0;
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// These properties refer to the background protection gradient used for AllApps and Customize
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private ObjectAnimator mBackgroundFadeInAnimation;
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private ObjectAnimator mBackgroundFadeOutAnimation;
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private Drawable mBackground;
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private Drawable mCustomizeTrayBackground;
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private boolean mDrawCustomizeTrayBackground;
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private float mBackgroundAlpha = 0;
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private float mOverScrollMaxBackgroundAlpha = 0.0f;
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private int mOverScrollPageIndex = -1;
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private View mCustomizationDrawer;
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private View mCustomizationDrawerContent;
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private int[] mCustomizationDrawerPos = new int[2];
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private float[] mCustomizationDrawerTransformedPos = new float[2];
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private final WallpaperManager mWallpaperManager;
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private int mDefaultPage;
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private boolean mIsDragInProcess = false;
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/**
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* CellInfo for the cell that is currently being dragged
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*/
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private CellLayout.CellInfo mDragInfo;
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/**
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* Target drop area calculated during last acceptDrop call.
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*/
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private int[] mTargetCell = null;
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/**
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* The CellLayout that is currently being dragged over
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*/
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private CellLayout mDragTargetLayout = null;
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private Launcher mLauncher;
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private IconCache mIconCache;
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private DragController mDragController;
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// These are temporary variables to prevent having to allocate a new object just to
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// return an (x, y) value from helper functions. Do NOT use them to maintain other state.
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private int[] mTempCell = new int[2];
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private int[] mTempEstimate = new int[2];
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private float[] mTempOriginXY = new float[2];
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private float[] mTempDragCoordinates = new float[2];
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private float[] mTempTouchCoordinates = new float[2];
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private float[] mTempCellLayoutCenterCoordinates = new float[2];
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private float[] mTempDragBottomRightCoordinates = new float[2];
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private Matrix mTempInverseMatrix = new Matrix();
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private SpringLoadedDragController mSpringLoadedDragController;
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private static final int DEFAULT_CELL_COUNT_X = 4;
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private static final int DEFAULT_CELL_COUNT_Y = 4;
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private Drawable mPreviousIndicator;
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private Drawable mNextIndicator;
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// State variable that indicates whether the pages are small (ie when you're
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// in all apps or customize mode)
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private boolean mIsSmall = false;
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private boolean mIsInUnshrinkAnimation = false;
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private AnimatorListener mShrinkAnimationListener;
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private AnimatorListener mUnshrinkAnimationListener;
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enum ShrinkState { TOP, SPRING_LOADED, MIDDLE, BOTTOM_HIDDEN, BOTTOM_VISIBLE };
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private ShrinkState mShrinkState;
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private boolean mWasSpringLoadedOnDragExit = false;
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private boolean mWaitingToShrink = false;
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private ShrinkState mWaitingToShrinkState;
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private AnimatorSet mAnimator;
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/** Is the user is dragging an item near the edge of a page? */
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private boolean mInScrollArea = false;
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/** If mInScrollArea is true, the direction of the scroll. */
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private int mPendingScrollDirection = DragController.SCROLL_NONE;
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private final HolographicOutlineHelper mOutlineHelper = new HolographicOutlineHelper();
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private Bitmap mDragOutline = null;
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private final Rect mTempRect = new Rect();
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private final int[] mTempXY = new int[2];
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private ValueAnimator mDropAnim = null;
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private TimeInterpolator mQuintEaseOutInterpolator = new DecelerateInterpolator(2.5f);
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private View mDropView = null;
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private int[] mDropViewPos = new int[] { -1, -1 };
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// Paint used to draw external drop outline
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private final Paint mExternalDragOutlinePaint = new Paint();
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// Camera and Matrix used to determine the final position of a neighboring CellLayout
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private final Matrix mMatrix = new Matrix();
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private final Camera mCamera = new Camera();
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private final float mTempFloat2[] = new float[2];
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enum WallpaperVerticalOffset { TOP, MIDDLE, BOTTOM };
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int mWallpaperWidth;
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int mWallpaperHeight;
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WallpaperOffsetInterpolator mWallpaperOffset;
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boolean mUpdateWallpaperOffsetImmediately = false;
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boolean mSyncWallpaperOffsetWithScroll = true;
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// info about the last drag
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private DragView mLastDragView;
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private int mLastDragOriginX;
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private int mLastDragOriginY;
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private int mLastDragXOffset;
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private int mLastDragYOffset;
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// Variables relating to touch disambiguation (scrolling workspace vs. scrolling a widget)
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private float mXDown;
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private float mYDown;
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final static float START_DAMPING_TOUCH_SLOP_ANGLE = (float) Math.PI / 6;
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final static float MAX_SWIPE_ANGLE = (float) Math.PI / 3;
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final static float TOUCH_SLOP_DAMPING_FACTOR = 4;
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int mSpringLoadedDropX;
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int mSpringLoadedDropY;
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/**
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* Used to inflate the Workspace from XML.
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*
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* @param context The application's context.
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* @param attrs The attributes set containing the Workspace's customization values.
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*/
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public Workspace(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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/**
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* Used to inflate the Workspace from XML.
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*
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* @param context The application's context.
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* @param attrs The attributes set containing the Workspace's customization values.
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* @param defStyle Unused.
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*/
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public Workspace(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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mContentIsRefreshable = false;
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if (!LauncherApplication.isScreenXLarge()) {
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mFadeInAdjacentScreens = false;
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}
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mWallpaperManager = WallpaperManager.getInstance(context);
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TypedArray a = context.obtainStyledAttributes(attrs,
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R.styleable.Workspace, defStyle, 0);
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int cellCountX = a.getInt(R.styleable.Workspace_cellCountX, DEFAULT_CELL_COUNT_X);
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int cellCountY = a.getInt(R.styleable.Workspace_cellCountY, DEFAULT_CELL_COUNT_Y);
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mDefaultPage = a.getInt(R.styleable.Workspace_defaultScreen, 1);
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a.recycle();
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LauncherModel.updateWorkspaceLayoutCells(cellCountX, cellCountY);
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setHapticFeedbackEnabled(false);
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initWorkspace();
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}
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/**
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* Initializes various states for this workspace.
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*/
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protected void initWorkspace() {
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Context context = getContext();
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mCurrentPage = mDefaultPage;
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Launcher.setScreen(mCurrentPage);
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LauncherApplication app = (LauncherApplication)context.getApplicationContext();
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mIconCache = app.getIconCache();
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mExternalDragOutlinePaint.setAntiAlias(true);
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setWillNotDraw(false);
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try {
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final Resources res = getResources();
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mBackground = res.getDrawable(R.drawable.all_apps_bg_gradient);
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mCustomizeTrayBackground = res.getDrawable(R.drawable.customize_bg_gradient);
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} catch (Resources.NotFoundException e) {
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// In this case, we will skip drawing background protection
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}
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mUnshrinkAnimationListener = new AnimatorListenerAdapter() {
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@Override
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public void onAnimationStart(Animator animation) {
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mIsInUnshrinkAnimation = true;
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}
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@Override
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public void onAnimationEnd(Animator animation) {
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mIsInUnshrinkAnimation = false;
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mSyncWallpaperOffsetWithScroll = true;
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if (mShrinkState == ShrinkState.SPRING_LOADED) {
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View layout = null;
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if (mLastDragView != null) {
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layout = findMatchingPageForDragOver(mLastDragView, mLastDragOriginX,
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mLastDragOriginY, mLastDragXOffset, mLastDragYOffset);
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}
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mSpringLoadedDragController.onEnterSpringLoadedMode(layout == null);
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} else {
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mDrawCustomizeTrayBackground = false;
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}
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mWallpaperOffset.setOverrideHorizontalCatchupConstant(false);
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mAnimator = null;
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enableChildrenLayers(false);
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}
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};
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mShrinkAnimationListener = new AnimatorListenerAdapter() {
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@Override
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public void onAnimationStart(Animator animation) {
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enableChildrenLayers(true);
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}
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@Override
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public void onAnimationEnd(Animator animation) {
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mWallpaperOffset.setOverrideHorizontalCatchupConstant(false);
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mAnimator = null;
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}
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};
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mSnapVelocity = 600;
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mWallpaperOffset = new WallpaperOffsetInterpolator();
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}
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@Override
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protected int getScrollMode() {
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if (LauncherApplication.isScreenXLarge()) {
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return SmoothPagedView.X_LARGE_MODE;
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} else {
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return SmoothPagedView.DEFAULT_MODE;
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}
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}
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@Override
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public void addView(View child, int index, LayoutParams params) {
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if (!(child instanceof CellLayout)) {
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throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
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}
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((CellLayout) child).setOnInterceptTouchListener(this);
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super.addView(child, index, params);
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}
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@Override
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public void addView(View child) {
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if (!(child instanceof CellLayout)) {
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throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
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}
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((CellLayout) child).setOnInterceptTouchListener(this);
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super.addView(child);
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}
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@Override
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public void addView(View child, int index) {
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if (!(child instanceof CellLayout)) {
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throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
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}
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((CellLayout) child).setOnInterceptTouchListener(this);
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super.addView(child, index);
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}
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@Override
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public void addView(View child, int width, int height) {
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if (!(child instanceof CellLayout)) {
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throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
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}
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((CellLayout) child).setOnInterceptTouchListener(this);
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super.addView(child, width, height);
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}
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@Override
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public void addView(View child, LayoutParams params) {
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if (!(child instanceof CellLayout)) {
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throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
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}
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((CellLayout) child).setOnInterceptTouchListener(this);
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super.addView(child, params);
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}
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/**
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* @return The open folder on the current screen, or null if there is none
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*/
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Folder getOpenFolder() {
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ViewGroup currentPage = ((CellLayout) getChildAt(mCurrentPage)).getChildrenLayout();
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int count = currentPage.getChildCount();
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for (int i = 0; i < count; i++) {
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View child = currentPage.getChildAt(i);
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if (child instanceof Folder) {
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Folder folder = (Folder) child;
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if (folder.getInfo().opened)
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return folder;
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}
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}
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return null;
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}
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ArrayList<Folder> getOpenFolders() {
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final int screenCount = getChildCount();
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ArrayList<Folder> folders = new ArrayList<Folder>(screenCount);
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for (int screen = 0; screen < screenCount; screen++) {
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ViewGroup currentPage = ((CellLayout) getChildAt(screen)).getChildrenLayout();
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int count = currentPage.getChildCount();
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for (int i = 0; i < count; i++) {
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View child = currentPage.getChildAt(i);
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if (child instanceof Folder) {
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Folder folder = (Folder) child;
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if (folder.getInfo().opened)
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folders.add(folder);
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break;
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}
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}
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}
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return folders;
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}
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boolean isDefaultPageShowing() {
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return mCurrentPage == mDefaultPage;
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}
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/**
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* Adds the specified child in the specified screen. The position and dimension of
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* the child are defined by x, y, spanX and spanY.
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*
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* @param child The child to add in one of the workspace's screens.
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* @param screen The screen in which to add the child.
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* @param x The X position of the child in the screen's grid.
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* @param y The Y position of the child in the screen's grid.
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* @param spanX The number of cells spanned horizontally by the child.
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* @param spanY The number of cells spanned vertically by the child.
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*/
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void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) {
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addInScreen(child, screen, x, y, spanX, spanY, false);
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}
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void addInFullScreen(View child, int screen) {
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addInScreen(child, screen, 0, 0, -1, -1);
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}
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/**
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* Adds the specified child in the specified screen. The position and dimension of
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* the child are defined by x, y, spanX and spanY.
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*
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* @param child The child to add in one of the workspace's screens.
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* @param screen The screen in which to add the child.
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* @param x The X position of the child in the screen's grid.
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* @param y The Y position of the child in the screen's grid.
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* @param spanX The number of cells spanned horizontally by the child.
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* @param spanY The number of cells spanned vertically by the child.
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* @param insert When true, the child is inserted at the beginning of the children list.
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*/
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void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) {
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if (screen < 0 || screen >= getChildCount()) {
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Log.e(TAG, "The screen must be >= 0 and < " + getChildCount()
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+ " (was " + screen + "); skipping child");
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return;
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}
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final CellLayout group = (CellLayout) getChildAt(screen);
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CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
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if (lp == null) {
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lp = new CellLayout.LayoutParams(x, y, spanX, spanY);
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} else {
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lp.cellX = x;
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lp.cellY = y;
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lp.cellHSpan = spanX;
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lp.cellVSpan = spanY;
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}
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// Get the canonical child id to uniquely represent this view in this screen
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int childId = LauncherModel.getCellLayoutChildId(-1, screen, x, y, spanX, spanY);
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boolean markCellsAsOccupied = !(child instanceof Folder);
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if (!group.addViewToCellLayout(child, insert ? 0 : -1, childId, lp, markCellsAsOccupied)) {
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// TODO: This branch occurs when the workspace is adding views
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// outside of the defined grid
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// maybe we should be deleting these items from the LauncherModel?
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Log.w(TAG, "Failed to add to item at (" + lp.cellX + "," + lp.cellY + ") to CellLayout");
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}
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if (!(child instanceof Folder)) {
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child.setHapticFeedbackEnabled(false);
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child.setOnLongClickListener(mLongClickListener);
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}
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if (child instanceof DropTarget) {
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mDragController.addDropTarget((DropTarget) child);
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}
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}
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/**
|
|
* Check if the point (x, y) hits a given page.
|
|
*/
|
|
private boolean hitsPage(int index, float x, float y) {
|
|
final View page = getChildAt(index);
|
|
if (page != null) {
|
|
float[] localXY = { x, y };
|
|
mapPointFromSelfToChild(page, localXY);
|
|
return (localXY[0] >= 0 && localXY[0] < page.getWidth()
|
|
&& localXY[1] >= 0 && localXY[1] < page.getHeight());
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
protected boolean hitsPreviousPage(float x, float y) {
|
|
// mNextPage is set to INVALID_PAGE whenever we are stationary.
|
|
// Calculating "next page" this way ensures that you scroll to whatever page you tap on
|
|
final int current = (mNextPage == INVALID_PAGE) ? mCurrentPage : mNextPage;
|
|
return hitsPage(current - 1, x, y);
|
|
}
|
|
|
|
@Override
|
|
protected boolean hitsNextPage(float x, float y) {
|
|
// mNextPage is set to INVALID_PAGE whenever we are stationary.
|
|
// Calculating "next page" this way ensures that you scroll to whatever page you tap on
|
|
final int current = (mNextPage == INVALID_PAGE) ? mCurrentPage : mNextPage;
|
|
return hitsPage(current + 1, x, y);
|
|
}
|
|
|
|
public boolean onTouch(View v, MotionEvent event) {
|
|
// this is an intercepted event being forwarded from a cell layout
|
|
if (mIsSmall || mIsInUnshrinkAnimation) {
|
|
// Only allow clicks on a CellLayout if it is visible
|
|
if (mShrinkState != ShrinkState.BOTTOM_HIDDEN) {
|
|
mLauncher.onWorkspaceClick((CellLayout) v);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
protected void onWindowVisibilityChanged (int visibility) {
|
|
mLauncher.onWindowVisibilityChanged(visibility);
|
|
}
|
|
|
|
@Override
|
|
public boolean dispatchUnhandledMove(View focused, int direction) {
|
|
if (mIsSmall || mIsInUnshrinkAnimation) {
|
|
// when the home screens are shrunken, shouldn't allow side-scrolling
|
|
return false;
|
|
}
|
|
return super.dispatchUnhandledMove(focused, direction);
|
|
}
|
|
|
|
@Override
|
|
public boolean onInterceptTouchEvent(MotionEvent ev) {
|
|
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
|
|
mXDown = ev.getX();
|
|
mYDown = ev.getY();
|
|
}
|
|
|
|
if (mIsSmall || mIsInUnshrinkAnimation) {
|
|
if (mLauncher.isAllAppsVisible() &&
|
|
mShrinkState == ShrinkState.BOTTOM_HIDDEN) {
|
|
// Intercept this event so we can show the workspace in full view
|
|
// when it is clicked on and it is small
|
|
AllAppsPagedView allApps = (AllAppsPagedView)
|
|
mLauncher.findViewById(R.id.all_apps_paged_view);
|
|
if (allApps != null) {
|
|
allApps.onInterceptTouchEvent(ev);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
return super.onInterceptTouchEvent(ev);
|
|
}
|
|
|
|
@Override
|
|
protected void determineScrollingStart(MotionEvent ev) {
|
|
if (!mIsSmall && !mIsInUnshrinkAnimation) {
|
|
float deltaX = Math.abs(ev.getX() - mXDown);
|
|
float deltaY = Math.abs(ev.getY() - mYDown);
|
|
|
|
if (Float.compare(deltaX, 0f) == 0) return;
|
|
|
|
float slope = deltaY / deltaX;
|
|
float theta = (float) Math.atan(slope);
|
|
|
|
if (deltaX > mTouchSlop || deltaY > mTouchSlop) {
|
|
cancelCurrentPageLongPress();
|
|
}
|
|
|
|
if (theta > MAX_SWIPE_ANGLE) {
|
|
// Above MAX_SWIPE_ANGLE, we don't want to ever start scrolling the workspace
|
|
return;
|
|
} else if (theta > START_DAMPING_TOUCH_SLOP_ANGLE) {
|
|
// Above START_DAMPING_TOUCH_SLOP_ANGLE and below MAX_SWIPE_ANGLE, we want to
|
|
// increase the touch slop to make it harder to begin scrolling the workspace. This
|
|
// results in vertically scrolling widgets to more easily. The higher the angle, the
|
|
// more we increase touch slop.
|
|
theta -= START_DAMPING_TOUCH_SLOP_ANGLE;
|
|
float extraRatio = (float)
|
|
Math.sqrt((theta / (MAX_SWIPE_ANGLE - START_DAMPING_TOUCH_SLOP_ANGLE)));
|
|
super.determineScrollingStart(ev, 1 + TOUCH_SLOP_DAMPING_FACTOR * extraRatio);
|
|
} else {
|
|
// Below START_DAMPING_TOUCH_SLOP_ANGLE, we don't do anything special
|
|
super.determineScrollingStart(ev);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected void onPageBeginMoving() {
|
|
if (mNextPage != INVALID_PAGE) {
|
|
// we're snapping to a particular screen
|
|
enableChildrenCache(mCurrentPage, mNextPage);
|
|
} else {
|
|
// this is when user is actively dragging a particular screen, they might
|
|
// swipe it either left or right (but we won't advance by more than one screen)
|
|
enableChildrenCache(mCurrentPage - 1, mCurrentPage + 1);
|
|
}
|
|
showOutlines();
|
|
}
|
|
|
|
protected void onPageEndMoving() {
|
|
clearChildrenCache();
|
|
// Hide the outlines, as long as we're not dragging
|
|
if (!mDragController.dragging()) {
|
|
hideOutlines();
|
|
}
|
|
mOverScrollMaxBackgroundAlpha = 0.0f;
|
|
mOverScrollPageIndex = -1;
|
|
}
|
|
|
|
@Override
|
|
protected void notifyPageSwitchListener() {
|
|
super.notifyPageSwitchListener();
|
|
|
|
if (mPreviousIndicator != null) {
|
|
// if we know the next page, we show the indication for it right away; it looks
|
|
// weird if the indicators are lagging
|
|
int page = mNextPage;
|
|
if (page == INVALID_PAGE) {
|
|
page = mCurrentPage;
|
|
}
|
|
mPreviousIndicator.setLevel(page);
|
|
mNextIndicator.setLevel(page);
|
|
}
|
|
Launcher.setScreen(mCurrentPage);
|
|
};
|
|
|
|
// As a ratio of screen height, the total distance we want the parallax effect to span
|
|
// vertically
|
|
private float wallpaperTravelToScreenHeightRatio(int width, int height) {
|
|
return 1.1f;
|
|
}
|
|
|
|
// As a ratio of screen height, the total distance we want the parallax effect to span
|
|
// horizontally
|
|
private float wallpaperTravelToScreenWidthRatio(int width, int height) {
|
|
float aspectRatio = width / (float) height;
|
|
|
|
// At an aspect ratio of 16/10, the wallpaper parallax effect should span 1.5 * screen width
|
|
// At an aspect ratio of 10/16, the wallpaper parallax effect should span 1.2 * screen width
|
|
// We will use these two data points to extrapolate how much the wallpaper parallax effect
|
|
// to span (ie travel) at any aspect ratio:
|
|
|
|
final float ASPECT_RATIO_LANDSCAPE = 16/10f;
|
|
final float ASPECT_RATIO_PORTRAIT = 10/16f;
|
|
final float WALLPAPER_WIDTH_TO_SCREEN_RATIO_LANDSCAPE = 1.5f;
|
|
final float WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT = 1.2f;
|
|
|
|
// To find out the desired width at different aspect ratios, we use the following two
|
|
// formulas, where the coefficient on x is the aspect ratio (width/height):
|
|
// (16/10)x + y = 1.5
|
|
// (10/16)x + y = 1.2
|
|
// We solve for x and y and end up with a final formula:
|
|
final float x =
|
|
(WALLPAPER_WIDTH_TO_SCREEN_RATIO_LANDSCAPE - WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT) /
|
|
(ASPECT_RATIO_LANDSCAPE - ASPECT_RATIO_PORTRAIT);
|
|
final float y = WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT - x * ASPECT_RATIO_PORTRAIT;
|
|
return x * aspectRatio + y;
|
|
}
|
|
|
|
// The range of scroll values for Workspace
|
|
private int getScrollRange() {
|
|
return getChildOffset(getChildCount() - 1) - getChildOffset(0);
|
|
}
|
|
|
|
protected void setWallpaperDimension() {
|
|
Display display = mLauncher.getWindowManager().getDefaultDisplay();
|
|
final int maxDim = Math.max(display.getWidth(), display.getHeight());
|
|
final int minDim = Math.min(display.getWidth(), display.getHeight());
|
|
|
|
// We need to ensure that there is enough extra space in the wallpaper for the intended
|
|
// parallax effects
|
|
mWallpaperWidth = (int) (maxDim * wallpaperTravelToScreenWidthRatio(maxDim, minDim));
|
|
mWallpaperHeight = (int)(maxDim * wallpaperTravelToScreenHeightRatio(maxDim, minDim));
|
|
mWallpaperManager.suggestDesiredDimensions(mWallpaperWidth, mWallpaperHeight);
|
|
}
|
|
|
|
public void setVerticalWallpaperOffset(float offset) {
|
|
mWallpaperOffset.setFinalY(offset);
|
|
}
|
|
public float getVerticalWallpaperOffset() {
|
|
return mWallpaperOffset.getCurrY();
|
|
}
|
|
public void setHorizontalWallpaperOffset(float offset) {
|
|
mWallpaperOffset.setFinalX(offset);
|
|
}
|
|
public float getHorizontalWallpaperOffset() {
|
|
return mWallpaperOffset.getCurrX();
|
|
}
|
|
|
|
private float wallpaperOffsetForCurrentScroll() {
|
|
Display display = mLauncher.getWindowManager().getDefaultDisplay();
|
|
// The wallpaper travel width is how far, from left to right, the wallpaper will move
|
|
// at this orientation (for example, in portrait mode we don't move all the way to the
|
|
// edges of the wallpaper, or otherwise the parallax effect would be too strong)
|
|
int wallpaperTravelWidth = (int) (display.getWidth() *
|
|
wallpaperTravelToScreenWidthRatio(display.getWidth(), display.getHeight()));
|
|
|
|
// Set wallpaper offset steps (1 / (number of screens - 1))
|
|
// We have 3 vertical offset states (centered, and then top/bottom aligned
|
|
// for all apps/customize)
|
|
mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 1.0f / (3 - 1));
|
|
|
|
int scrollRange = getScrollRange();
|
|
float scrollProgressOffset = 0;
|
|
|
|
// Account for overscroll: you only see the absolute edge of the wallpaper if
|
|
// you overscroll as far as you can in landscape mode. Only do this for static wallpapers
|
|
// because live wallpapers (and probably 3rd party wallpaper providers) rely on the offset
|
|
// being even intervals from 0 to 1 (eg [0, 0.25, 0.5, 0.75, 1])
|
|
final boolean isStaticWallpaper = (mWallpaperManager.getWallpaperInfo() == null);
|
|
if (isStaticWallpaper) {
|
|
int overscrollOffset = (int) (maxOverScroll() * display.getWidth());
|
|
scrollProgressOffset += overscrollOffset / (float) getScrollRange();
|
|
scrollRange += 2 * overscrollOffset;
|
|
}
|
|
|
|
float scrollProgress =
|
|
mScrollX / (float) scrollRange + scrollProgressOffset;
|
|
float offsetInDips = wallpaperTravelWidth * scrollProgress +
|
|
(mWallpaperWidth - wallpaperTravelWidth) / 2;
|
|
float offset = offsetInDips / (float) mWallpaperWidth;
|
|
return offset;
|
|
}
|
|
private void syncWallpaperOffsetWithScroll() {
|
|
if (LauncherApplication.isScreenXLarge()) {
|
|
mWallpaperOffset.setFinalX(wallpaperOffsetForCurrentScroll());
|
|
}
|
|
}
|
|
|
|
public void updateWallpaperOffsetImmediately() {
|
|
mUpdateWallpaperOffsetImmediately = true;
|
|
}
|
|
|
|
private void updateWallpaperOffsets() {
|
|
boolean updateNow = false;
|
|
boolean keepUpdating = true;
|
|
if (mUpdateWallpaperOffsetImmediately) {
|
|
updateNow = true;
|
|
keepUpdating = false;
|
|
mWallpaperOffset.jumpToFinal();
|
|
mUpdateWallpaperOffsetImmediately = false;
|
|
} else {
|
|
updateNow = keepUpdating = mWallpaperOffset.computeScrollOffset();
|
|
}
|
|
if (updateNow) {
|
|
IBinder token = getWindowToken();
|
|
if (token != null) {
|
|
mWallpaperManager.setWallpaperOffsets(getWindowToken(),
|
|
mWallpaperOffset.getCurrX(), mWallpaperOffset.getCurrY());
|
|
}
|
|
}
|
|
if (keepUpdating) {
|
|
invalidate();
|
|
}
|
|
}
|
|
|
|
class WallpaperOffsetInterpolator {
|
|
float mFinalHorizontalWallpaperOffset = 0.0f;
|
|
float mFinalVerticalWallpaperOffset = 0.5f;
|
|
float mHorizontalWallpaperOffset = 0.0f;
|
|
float mVerticalWallpaperOffset = 0.5f;
|
|
long mLastWallpaperOffsetUpdateTime;
|
|
boolean mIsMovingFast;
|
|
boolean mOverrideHorizontalCatchupConstant;
|
|
float mHorizontalCatchupConstant = 0.35f;
|
|
float mVerticalCatchupConstant = 0.35f;
|
|
|
|
public WallpaperOffsetInterpolator() {
|
|
}
|
|
|
|
public void setOverrideHorizontalCatchupConstant(boolean override) {
|
|
mOverrideHorizontalCatchupConstant = override;
|
|
}
|
|
|
|
public void setHorizontalCatchupConstant(float f) {
|
|
mHorizontalCatchupConstant = f;
|
|
}
|
|
|
|
public void setVerticalCatchupConstant(float f) {
|
|
mVerticalCatchupConstant = f;
|
|
}
|
|
|
|
public boolean computeScrollOffset() {
|
|
if (Float.compare(mHorizontalWallpaperOffset, mFinalHorizontalWallpaperOffset) == 0 &&
|
|
Float.compare(mVerticalWallpaperOffset, mFinalVerticalWallpaperOffset) == 0) {
|
|
mIsMovingFast = false;
|
|
return false;
|
|
}
|
|
Display display = mLauncher.getWindowManager().getDefaultDisplay();
|
|
boolean isLandscape = display.getWidth() > display.getHeight();
|
|
|
|
long currentTime = System.currentTimeMillis();
|
|
long timeSinceLastUpdate = currentTime - mLastWallpaperOffsetUpdateTime;
|
|
timeSinceLastUpdate = Math.min((long) (1000/30f), timeSinceLastUpdate);
|
|
timeSinceLastUpdate = Math.max(1L, timeSinceLastUpdate);
|
|
|
|
float xdiff = Math.abs(mFinalHorizontalWallpaperOffset - mHorizontalWallpaperOffset);
|
|
if (!mIsMovingFast && xdiff > 0.07) {
|
|
mIsMovingFast = true;
|
|
}
|
|
|
|
float fractionToCatchUpIn1MsHorizontal;
|
|
if (mOverrideHorizontalCatchupConstant) {
|
|
fractionToCatchUpIn1MsHorizontal = mHorizontalCatchupConstant;
|
|
} else if (mIsMovingFast) {
|
|
fractionToCatchUpIn1MsHorizontal = isLandscape ? 0.5f : 0.75f;
|
|
} else {
|
|
// slow
|
|
fractionToCatchUpIn1MsHorizontal = isLandscape ? 0.27f : 0.5f;
|
|
}
|
|
float fractionToCatchUpIn1MsVertical = mVerticalCatchupConstant;
|
|
|
|
|
|
fractionToCatchUpIn1MsHorizontal /= 33f;
|
|
fractionToCatchUpIn1MsVertical /= 33f;
|
|
|
|
final float UPDATE_THRESHOLD = 0.00001f;
|
|
float hOffsetDelta = mFinalHorizontalWallpaperOffset - mHorizontalWallpaperOffset;
|
|
float vOffsetDelta = mFinalVerticalWallpaperOffset - mVerticalWallpaperOffset;
|
|
boolean jumpToFinalValue = Math.abs(hOffsetDelta) < UPDATE_THRESHOLD &&
|
|
Math.abs(vOffsetDelta) < UPDATE_THRESHOLD;
|
|
if (jumpToFinalValue) {
|
|
mHorizontalWallpaperOffset = mFinalHorizontalWallpaperOffset;
|
|
mVerticalWallpaperOffset = mFinalVerticalWallpaperOffset;
|
|
} else {
|
|
float percentToCatchUpVertical =
|
|
Math.min(1.0f, timeSinceLastUpdate * fractionToCatchUpIn1MsVertical);
|
|
float percentToCatchUpHorizontal =
|
|
Math.min(1.0f, timeSinceLastUpdate * fractionToCatchUpIn1MsHorizontal);
|
|
mHorizontalWallpaperOffset += percentToCatchUpHorizontal * hOffsetDelta;
|
|
mVerticalWallpaperOffset += percentToCatchUpVertical * vOffsetDelta;
|
|
}
|
|
|
|
mLastWallpaperOffsetUpdateTime = System.currentTimeMillis();
|
|
return true;
|
|
}
|
|
|
|
public float getCurrX() {
|
|
return mHorizontalWallpaperOffset;
|
|
}
|
|
|
|
public float getFinalX() {
|
|
return mFinalHorizontalWallpaperOffset;
|
|
}
|
|
|
|
public float getCurrY() {
|
|
return mVerticalWallpaperOffset;
|
|
}
|
|
|
|
public float getFinalY() {
|
|
return mFinalVerticalWallpaperOffset;
|
|
}
|
|
|
|
public void setFinalX(float x) {
|
|
mFinalHorizontalWallpaperOffset = Math.max(0f, Math.min(x, 1.0f));
|
|
}
|
|
|
|
public void setFinalY(float y) {
|
|
mFinalVerticalWallpaperOffset = Math.max(0f, Math.min(y, 1.0f));
|
|
}
|
|
|
|
public void jumpToFinal() {
|
|
mHorizontalWallpaperOffset = mFinalHorizontalWallpaperOffset;
|
|
mVerticalWallpaperOffset = mFinalVerticalWallpaperOffset;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void computeScroll() {
|
|
super.computeScroll();
|
|
if (mSyncWallpaperOffsetWithScroll) {
|
|
syncWallpaperOffsetWithScroll();
|
|
}
|
|
}
|
|
|
|
public void showOutlines() {
|
|
if (!mIsSmall && !mIsInUnshrinkAnimation) {
|
|
if (mChildrenOutlineFadeOutAnimation != null) mChildrenOutlineFadeOutAnimation.cancel();
|
|
if (mChildrenOutlineFadeInAnimation != null) mChildrenOutlineFadeInAnimation.cancel();
|
|
mChildrenOutlineFadeInAnimation = ObjectAnimator.ofFloat(this, "childrenOutlineAlpha", 1.0f);
|
|
mChildrenOutlineFadeInAnimation.setDuration(CHILDREN_OUTLINE_FADE_IN_DURATION);
|
|
mChildrenOutlineFadeInAnimation.start();
|
|
}
|
|
}
|
|
|
|
public void hideOutlines() {
|
|
if (!mIsSmall && !mIsInUnshrinkAnimation) {
|
|
if (mChildrenOutlineFadeInAnimation != null) mChildrenOutlineFadeInAnimation.cancel();
|
|
if (mChildrenOutlineFadeOutAnimation != null) mChildrenOutlineFadeOutAnimation.cancel();
|
|
mChildrenOutlineFadeOutAnimation = ObjectAnimator.ofFloat(this, "childrenOutlineAlpha", 0.0f);
|
|
mChildrenOutlineFadeOutAnimation.setDuration(CHILDREN_OUTLINE_FADE_OUT_DURATION);
|
|
mChildrenOutlineFadeOutAnimation.setStartDelay(CHILDREN_OUTLINE_FADE_OUT_DELAY);
|
|
mChildrenOutlineFadeOutAnimation.start();
|
|
}
|
|
}
|
|
|
|
public void setChildrenOutlineAlpha(float alpha) {
|
|
mChildrenOutlineAlpha = alpha;
|
|
for (int i = 0; i < getChildCount(); i++) {
|
|
CellLayout cl = (CellLayout) getChildAt(i);
|
|
cl.setBackgroundAlpha(alpha);
|
|
}
|
|
}
|
|
|
|
public float getChildrenOutlineAlpha() {
|
|
return mChildrenOutlineAlpha;
|
|
}
|
|
|
|
private void showBackgroundGradientForAllApps() {
|
|
showBackgroundGradient();
|
|
mDrawCustomizeTrayBackground = false;
|
|
}
|
|
|
|
private void showBackgroundGradientForCustomizeTray() {
|
|
showBackgroundGradient();
|
|
mDrawCustomizeTrayBackground = true;
|
|
}
|
|
|
|
private void showBackgroundGradient() {
|
|
if (mBackground == null) return;
|
|
if (mBackgroundFadeOutAnimation != null) mBackgroundFadeOutAnimation.cancel();
|
|
if (mBackgroundFadeInAnimation != null) mBackgroundFadeInAnimation.cancel();
|
|
mBackgroundFadeInAnimation = ObjectAnimator.ofFloat(this, "backgroundAlpha", 1.0f);
|
|
mBackgroundFadeInAnimation.setInterpolator(new DecelerateInterpolator(1.5f));
|
|
mBackgroundFadeInAnimation.setDuration(BACKGROUND_FADE_IN_DURATION);
|
|
mBackgroundFadeInAnimation.start();
|
|
}
|
|
|
|
private void hideBackgroundGradient() {
|
|
if (mBackground == null) return;
|
|
if (mBackgroundFadeInAnimation != null) mBackgroundFadeInAnimation.cancel();
|
|
if (mBackgroundFadeOutAnimation != null) mBackgroundFadeOutAnimation.cancel();
|
|
mBackgroundFadeOutAnimation = ObjectAnimator.ofFloat(this, "backgroundAlpha", 0.0f);
|
|
mBackgroundFadeOutAnimation.setInterpolator(new DecelerateInterpolator(1.5f));
|
|
mBackgroundFadeOutAnimation.setDuration(BACKGROUND_FADE_OUT_DURATION);
|
|
mBackgroundFadeOutAnimation.start();
|
|
}
|
|
|
|
public void setBackgroundAlpha(float alpha) {
|
|
mBackgroundAlpha = alpha;
|
|
invalidate();
|
|
}
|
|
|
|
public float getBackgroundAlpha() {
|
|
return mBackgroundAlpha;
|
|
}
|
|
|
|
/**
|
|
* Due to 3D transformations, if two CellLayouts are theoretically touching each other,
|
|
* on the xy plane, when one is rotated along the y-axis, the gap between them is perceived
|
|
* as being larger. This method computes what offset the rotated view should be translated
|
|
* in order to minimize this perceived gap.
|
|
* @param degrees Angle of the view
|
|
* @param width Width of the view
|
|
* @param height Height of the view
|
|
* @return Offset to be used in a View.setTranslationX() call
|
|
*/
|
|
private float getOffsetXForRotation(float degrees, int width, int height) {
|
|
mMatrix.reset();
|
|
mCamera.save();
|
|
mCamera.rotateY(Math.abs(degrees));
|
|
mCamera.getMatrix(mMatrix);
|
|
mCamera.restore();
|
|
|
|
mMatrix.preTranslate(-width * 0.5f, -height * 0.5f);
|
|
mMatrix.postTranslate(width * 0.5f, height * 0.5f);
|
|
mTempFloat2[0] = width;
|
|
mTempFloat2[1] = height;
|
|
mMatrix.mapPoints(mTempFloat2);
|
|
return (width - mTempFloat2[0]) * (degrees > 0.0f ? 1.0f : -1.0f);
|
|
}
|
|
|
|
float backgroundAlphaInterpolator(float r) {
|
|
float pivotA = 0.1f;
|
|
float pivotB = 0.4f;
|
|
if (r < pivotA) {
|
|
return 0;
|
|
} else if (r > pivotB) {
|
|
return 1.0f;
|
|
} else {
|
|
return (r - pivotA)/(pivotB - pivotA);
|
|
}
|
|
}
|
|
|
|
float overScrollBackgroundAlphaInterpolator(float r) {
|
|
float threshold = 0.08f;
|
|
|
|
if (r > mOverScrollMaxBackgroundAlpha) {
|
|
mOverScrollMaxBackgroundAlpha = r;
|
|
} else if (r < mOverScrollMaxBackgroundAlpha) {
|
|
r = mOverScrollMaxBackgroundAlpha;
|
|
}
|
|
|
|
return Math.min(r / threshold, 1.0f);
|
|
}
|
|
|
|
@Override
|
|
protected void screenScrolled(int screenCenter) {
|
|
final int halfScreenSize = getMeasuredWidth() / 2;
|
|
|
|
for (int i = 0; i < getChildCount(); i++) {
|
|
CellLayout cl = (CellLayout) getChildAt(i);
|
|
if (cl != null) {
|
|
int totalDistance = getScaledMeasuredWidth(cl) + mPageSpacing;
|
|
int delta = screenCenter - (getChildOffset(i) -
|
|
getRelativeChildOffset(i) + halfScreenSize);
|
|
|
|
float scrollProgress = delta / (totalDistance * 1.0f);
|
|
scrollProgress = Math.min(scrollProgress, 1.0f);
|
|
scrollProgress = Math.max(scrollProgress, -1.0f);
|
|
|
|
// If the current page (i) is being overscrolled, we use a different
|
|
// set of rules for setting the background alpha multiplier.
|
|
if ((mScrollX < 0 && i == 0) || (mScrollX > mMaxScrollX &&
|
|
i == getChildCount() -1 )) {
|
|
cl.setBackgroundAlphaMultiplier(
|
|
overScrollBackgroundAlphaInterpolator(Math.abs(scrollProgress)));
|
|
mOverScrollPageIndex = i;
|
|
} else if (mOverScrollPageIndex != i) {
|
|
cl.setBackgroundAlphaMultiplier(
|
|
backgroundAlphaInterpolator(Math.abs(scrollProgress)));
|
|
}
|
|
|
|
float rotation = WORKSPACE_ROTATION * scrollProgress;
|
|
float translationX = getOffsetXForRotation(rotation, cl.getWidth(), cl.getHeight());
|
|
cl.setTranslationX(translationX);
|
|
|
|
cl.setRotationY(rotation);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected void onAttachedToWindow() {
|
|
super.onAttachedToWindow();
|
|
computeScroll();
|
|
mDragController.setWindowToken(getWindowToken());
|
|
}
|
|
|
|
@Override
|
|
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
|
|
if (mFirstLayout && mCurrentPage >= 0 && mCurrentPage < getChildCount()) {
|
|
mUpdateWallpaperOffsetImmediately = true;
|
|
}
|
|
super.onLayout(changed, left, top, right, bottom);
|
|
|
|
// if shrinkToBottom() is called on initialization, it has to be deferred
|
|
// until after the first call to onLayout so that it has the correct width
|
|
if (mWaitingToShrink) {
|
|
// shrink can trigger a synchronous onLayout call, so we
|
|
// post this to avoid a stack overflow / tangled onLayout calls
|
|
post(new Runnable() {
|
|
public void run() {
|
|
shrink(mWaitingToShrinkState, false);
|
|
mWaitingToShrink = false;
|
|
}
|
|
});
|
|
}
|
|
|
|
if (LauncherApplication.isInPlaceRotationEnabled()) {
|
|
// When the device is rotated, the scroll position of the current screen
|
|
// needs to be refreshed
|
|
setCurrentPage(getCurrentPage());
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void onDraw(Canvas canvas) {
|
|
updateWallpaperOffsets();
|
|
|
|
// Draw the background gradient if necessary
|
|
if (mBackground != null && mBackgroundAlpha > 0.0f) {
|
|
int alpha = (int) (mBackgroundAlpha * 255);
|
|
if (mDrawCustomizeTrayBackground) {
|
|
// Find out where to offset the gradient for the customization tray content
|
|
mCustomizationDrawer.getLocationOnScreen(mCustomizationDrawerPos);
|
|
final Matrix m = mCustomizationDrawer.getMatrix();
|
|
mCustomizationDrawerTransformedPos[0] = 0.0f;
|
|
mCustomizationDrawerTransformedPos[1] = mCustomizationDrawerContent.getTop();
|
|
m.mapPoints(mCustomizationDrawerTransformedPos);
|
|
|
|
// Draw the bg glow behind the gradient
|
|
mCustomizeTrayBackground.setAlpha(alpha);
|
|
mCustomizeTrayBackground.setBounds(mScrollX, 0, mScrollX + getMeasuredWidth(),
|
|
getMeasuredHeight());
|
|
mCustomizeTrayBackground.draw(canvas);
|
|
|
|
// Draw the bg gradient
|
|
final int offset = (int) (mCustomizationDrawerPos[1] +
|
|
mCustomizationDrawerTransformedPos[1]);
|
|
mBackground.setAlpha(alpha);
|
|
mBackground.setBounds(mScrollX, offset, mScrollX + getMeasuredWidth(),
|
|
offset + getMeasuredHeight());
|
|
mBackground.draw(canvas);
|
|
} else {
|
|
mBackground.setAlpha(alpha);
|
|
mBackground.setBounds(mScrollX, 0, mScrollX + getMeasuredWidth(),
|
|
getMeasuredHeight());
|
|
mBackground.draw(canvas);
|
|
}
|
|
}
|
|
super.onDraw(canvas);
|
|
}
|
|
|
|
@Override
|
|
protected void dispatchDraw(Canvas canvas) {
|
|
if (mIsSmall || mIsInUnshrinkAnimation) {
|
|
// Draw all the workspaces if we're small
|
|
final int pageCount = getChildCount();
|
|
final long drawingTime = getDrawingTime();
|
|
for (int i = 0; i < pageCount; i++) {
|
|
final View page = (View) getChildAt(i);
|
|
|
|
drawChild(canvas, page, drawingTime);
|
|
}
|
|
} else {
|
|
super.dispatchDraw(canvas);
|
|
|
|
final int width = getWidth();
|
|
final int height = getHeight();
|
|
|
|
// In portrait orientation, draw the glowing edge when dragging to adjacent screens
|
|
if (mInScrollArea && (height > width)) {
|
|
final int pageHeight = getChildAt(0).getHeight();
|
|
|
|
// This determines the height of the glowing edge: 90% of the page height
|
|
final int padding = (int) ((height - pageHeight) * 0.5f + pageHeight * 0.1f);
|
|
|
|
final CellLayout leftPage = (CellLayout) getChildAt(mCurrentPage - 1);
|
|
final CellLayout rightPage = (CellLayout) getChildAt(mCurrentPage + 1);
|
|
|
|
if (leftPage != null && leftPage.getIsDragOverlapping()) {
|
|
final Drawable d = getResources().getDrawable(R.drawable.page_hover_left);
|
|
d.setBounds(mScrollX, padding, mScrollX + d.getIntrinsicWidth(), height - padding);
|
|
d.draw(canvas);
|
|
} else if (rightPage != null && rightPage.getIsDragOverlapping()) {
|
|
final Drawable d = getResources().getDrawable(R.drawable.page_hover_right);
|
|
d.setBounds(mScrollX + width - d.getIntrinsicWidth(), padding, mScrollX + width, height - padding);
|
|
d.draw(canvas);
|
|
}
|
|
}
|
|
|
|
if (mDropView != null) {
|
|
// We are animating an item that was just dropped on the home screen.
|
|
// Render its View in the current animation position.
|
|
canvas.save(Canvas.MATRIX_SAVE_FLAG);
|
|
final int xPos = mDropViewPos[0] - mDropView.getScrollX();
|
|
final int yPos = mDropViewPos[1] - mDropView.getScrollY();
|
|
canvas.translate(xPos, yPos);
|
|
mDropView.draw(canvas);
|
|
canvas.restore();
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
|
|
if (!mLauncher.isAllAppsVisible()) {
|
|
final Folder openFolder = getOpenFolder();
|
|
if (openFolder != null) {
|
|
return openFolder.requestFocus(direction, previouslyFocusedRect);
|
|
} else {
|
|
return super.onRequestFocusInDescendants(direction, previouslyFocusedRect);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
|
|
if (!mLauncher.isAllAppsVisible()) {
|
|
final Folder openFolder = getOpenFolder();
|
|
if (openFolder != null) {
|
|
openFolder.addFocusables(views, direction);
|
|
} else {
|
|
super.addFocusables(views, direction, focusableMode);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean dispatchTouchEvent(MotionEvent ev) {
|
|
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
|
|
// (In XLarge mode, the workspace is shrunken below all apps, and responds to taps
|
|
// ie when you click on a mini-screen, it zooms back to that screen)
|
|
if (!LauncherApplication.isScreenXLarge() && mLauncher.isAllAppsVisible()) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return super.dispatchTouchEvent(ev);
|
|
}
|
|
|
|
void enableChildrenCache(int fromPage, int toPage) {
|
|
if (fromPage > toPage) {
|
|
final int temp = fromPage;
|
|
fromPage = toPage;
|
|
toPage = temp;
|
|
}
|
|
|
|
final int screenCount = getChildCount();
|
|
|
|
fromPage = Math.max(fromPage, 0);
|
|
toPage = Math.min(toPage, screenCount - 1);
|
|
|
|
for (int i = fromPage; i <= toPage; i++) {
|
|
final CellLayout layout = (CellLayout) getChildAt(i);
|
|
layout.setChildrenDrawnWithCacheEnabled(true);
|
|
layout.setChildrenDrawingCacheEnabled(true);
|
|
}
|
|
}
|
|
|
|
void clearChildrenCache() {
|
|
final int screenCount = getChildCount();
|
|
for (int i = 0; i < screenCount; i++) {
|
|
final CellLayout layout = (CellLayout) getChildAt(i);
|
|
layout.setChildrenDrawnWithCacheEnabled(false);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean onTouchEvent(MotionEvent ev) {
|
|
AllAppsPagedView allApps = (AllAppsPagedView)
|
|
mLauncher.findViewById(R.id.all_apps_paged_view);
|
|
|
|
if (mLauncher.isAllAppsVisible() && mShrinkState == ShrinkState.BOTTOM_HIDDEN
|
|
&& allApps != null) {
|
|
if (ev.getAction() == MotionEvent.ACTION_UP &&
|
|
allApps.getTouchState() == TOUCH_STATE_REST) {
|
|
|
|
// Cancel any scrolling that is in progress.
|
|
if (!mScroller.isFinished()) {
|
|
mScroller.abortAnimation();
|
|
}
|
|
setCurrentPage(mCurrentPage);
|
|
|
|
if (mShrinkState == ShrinkState.BOTTOM_HIDDEN) {
|
|
mLauncher.showWorkspace(true);
|
|
}
|
|
allApps.onTouchEvent(ev);
|
|
return true;
|
|
} else {
|
|
return allApps.onTouchEvent(ev);
|
|
}
|
|
}
|
|
return super.onTouchEvent(ev);
|
|
}
|
|
|
|
protected void enableChildrenLayers(boolean enable) {
|
|
for (int i = 0; i < getPageCount(); i++) {
|
|
((ViewGroup)getChildAt(i)).setChildrenLayersEnabled(enable);
|
|
}
|
|
}
|
|
@Override
|
|
protected void pageBeginMoving() {
|
|
enableChildrenLayers(true);
|
|
super.pageBeginMoving();
|
|
}
|
|
|
|
@Override
|
|
protected void pageEndMoving() {
|
|
if (!mIsSmall && !mIsInUnshrinkAnimation) {
|
|
enableChildrenLayers(false);
|
|
}
|
|
super.pageEndMoving();
|
|
}
|
|
|
|
@Override
|
|
protected void onWallpaperTap(MotionEvent ev) {
|
|
final int[] position = mTempCell;
|
|
getLocationOnScreen(position);
|
|
|
|
int pointerIndex = ev.getActionIndex();
|
|
position[0] += (int) ev.getX(pointerIndex);
|
|
position[1] += (int) ev.getY(pointerIndex);
|
|
|
|
mWallpaperManager.sendWallpaperCommand(getWindowToken(),
|
|
ev.getAction() == MotionEvent.ACTION_UP
|
|
? WallpaperManager.COMMAND_TAP : WallpaperManager.COMMAND_SECONDARY_TAP,
|
|
position[0], position[1], 0, null);
|
|
}
|
|
|
|
public boolean isSmall() {
|
|
return mIsSmall;
|
|
}
|
|
|
|
private float getYScaleForScreen(int screen) {
|
|
int x = Math.abs(screen - 2);
|
|
|
|
// TODO: This should be generalized for use with arbitrary rotation angles.
|
|
switch(x) {
|
|
case 0: return EXTRA_SCALE_FACTOR_0;
|
|
case 1: return EXTRA_SCALE_FACTOR_1;
|
|
case 2: return EXTRA_SCALE_FACTOR_2;
|
|
}
|
|
return 1.0f;
|
|
}
|
|
|
|
public void shrink(ShrinkState shrinkState) {
|
|
shrink(shrinkState, true);
|
|
}
|
|
|
|
// we use this to shrink the workspace for the all apps view and the customize view
|
|
public void shrink(ShrinkState shrinkState, boolean animated) {
|
|
// In the launcher interaction model, we're never in the state where we're shrunken and
|
|
// visible in the bottom of the screen, and then want to fade to being invisible.
|
|
// After spring loaded mode ends, this method was getting called twice, the first time
|
|
// with BOTTOM_VISIBLE (what we want) and a second time with BOTTOM_INVISIBLE (not
|
|
// what we want). As a temporary solution, we just change the second call to BOTTOM_VISIBLE
|
|
if (mIsSmall && mShrinkState == ShrinkState.BOTTOM_VISIBLE) {
|
|
shrinkState = ShrinkState.BOTTOM_VISIBLE;
|
|
}
|
|
if (mFirstLayout) {
|
|
// (mFirstLayout == "first layout has not happened yet")
|
|
// if we get a call to shrink() as part of our initialization (for example, if
|
|
// Launcher is started in All Apps mode) then we need to wait for a layout call
|
|
// to get our width so we can layout the mini-screen views correctly
|
|
mWaitingToShrink = true;
|
|
mWaitingToShrinkState = shrinkState;
|
|
return;
|
|
}
|
|
// Stop any scrolling, move to the current page right away
|
|
setCurrentPage((mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage);
|
|
if (!mIsDragInProcess) {
|
|
updateWhichPagesAcceptDrops(shrinkState);
|
|
}
|
|
|
|
CellLayout currentPage = (CellLayout) getChildAt(mCurrentPage);
|
|
if (currentPage == null) {
|
|
Log.w(TAG, "currentPage is NULL! mCurrentPage " + mCurrentPage
|
|
+ " mNextPage " + mNextPage);
|
|
return;
|
|
}
|
|
if (currentPage.getBackgroundAlphaMultiplier() < 1.0f) {
|
|
currentPage.setBackgroundAlpha(0.0f);
|
|
}
|
|
currentPage.setBackgroundAlphaMultiplier(1.0f);
|
|
|
|
mIsSmall = true;
|
|
mShrinkState = shrinkState;
|
|
|
|
// we intercept and reject all touch events when we're small, so be sure to reset the state
|
|
mTouchState = TOUCH_STATE_REST;
|
|
mActivePointerId = INVALID_POINTER;
|
|
|
|
final Resources res = getResources();
|
|
final int screenWidth = getWidth();
|
|
final int screenHeight = getHeight();
|
|
|
|
// Making the assumption that all pages have the same width as the 0th
|
|
final int pageWidth = getChildAt(0).getMeasuredWidth();
|
|
final int pageHeight = getChildAt(0).getMeasuredHeight();
|
|
|
|
final int scaledPageWidth = (int) (SHRINK_FACTOR * pageWidth);
|
|
final int scaledPageHeight = (int) (SHRINK_FACTOR * pageHeight);
|
|
final float extraScaledSpacing = res.getDimension(R.dimen.smallScreenExtraSpacing);
|
|
|
|
final int screenCount = getChildCount();
|
|
float totalWidth = screenCount * scaledPageWidth + (screenCount - 1) * extraScaledSpacing;
|
|
|
|
boolean isPortrait = getMeasuredHeight() > getMeasuredWidth();
|
|
float y = (isPortrait ?
|
|
getResources().getDimension(R.dimen.allAppsSmallScreenVerticalMarginPortrait) :
|
|
getResources().getDimension(R.dimen.allAppsSmallScreenVerticalMarginLandscape));
|
|
float finalAlpha = 1.0f;
|
|
float extraShrinkFactor = 1.0f;
|
|
|
|
if (shrinkState == ShrinkState.BOTTOM_VISIBLE) {
|
|
y = screenHeight - y - scaledPageHeight;
|
|
} else if (shrinkState == ShrinkState.BOTTOM_HIDDEN) {
|
|
// We shrink and disappear to nothing in the case of all apps
|
|
// (which is when we shrink to the bottom)
|
|
y = screenHeight - y - scaledPageHeight;
|
|
finalAlpha = 0.0f;
|
|
} else if (shrinkState == ShrinkState.MIDDLE) {
|
|
y = screenHeight / 2 - scaledPageHeight / 2;
|
|
finalAlpha = 1.0f;
|
|
} else if (shrinkState == ShrinkState.TOP) {
|
|
y = (isPortrait ?
|
|
getResources().getDimension(R.dimen.customizeSmallScreenVerticalMarginPortrait) :
|
|
getResources().getDimension(R.dimen.customizeSmallScreenVerticalMarginLandscape));
|
|
}
|
|
|
|
int duration;
|
|
if (shrinkState == ShrinkState.BOTTOM_HIDDEN || shrinkState == ShrinkState.BOTTOM_VISIBLE) {
|
|
duration = res.getInteger(R.integer.config_allAppsWorkspaceShrinkTime);
|
|
} else {
|
|
duration = res.getInteger(R.integer.config_customizeWorkspaceShrinkTime);
|
|
}
|
|
|
|
// We animate all the screens to the centered position in workspace
|
|
// At the same time, the screens become greyed/dimmed
|
|
|
|
// newX is initialized to the left-most position of the centered screens
|
|
float x = mScroller.getFinalX() + screenWidth / 2 - totalWidth / 2;
|
|
|
|
// We are going to scale about the center of the view, so we need to adjust the positions
|
|
// of the views accordingly
|
|
x -= (pageWidth - scaledPageWidth) / 2.0f;
|
|
y -= (pageHeight - scaledPageHeight) / 2.0f;
|
|
|
|
if (mAnimator != null) {
|
|
mAnimator.cancel();
|
|
}
|
|
|
|
mAnimator = new AnimatorSet();
|
|
|
|
final float[] oldXs = new float[getChildCount()];
|
|
final float[] oldYs = new float[getChildCount()];
|
|
final float[] oldScaleXs = new float[getChildCount()];
|
|
final float[] oldScaleYs = new float[getChildCount()];
|
|
final float[] oldBackgroundAlphas = new float[getChildCount()];
|
|
final float[] oldAlphas = new float[getChildCount()];
|
|
final float[] oldRotationYs = new float[getChildCount()];
|
|
final float[] newXs = new float[getChildCount()];
|
|
final float[] newYs = new float[getChildCount()];
|
|
final float[] newScaleXs = new float[getChildCount()];
|
|
final float[] newScaleYs = new float[getChildCount()];
|
|
final float[] newBackgroundAlphas = new float[getChildCount()];
|
|
final float[] newAlphas = new float[getChildCount()];
|
|
final float[] newRotationYs = new float[getChildCount()];
|
|
|
|
for (int i = 0; i < screenCount; i++) {
|
|
final CellLayout cl = (CellLayout) getChildAt(i);
|
|
|
|
float rotation = (-i + 2) * WORKSPACE_ROTATION;
|
|
float rotationScaleX = (float) (1.0f / Math.cos(Math.PI * rotation / 180.0f));
|
|
float rotationScaleY = getYScaleForScreen(i);
|
|
|
|
oldAlphas[i] = cl.getAlpha();
|
|
newAlphas[i] = finalAlpha;
|
|
if (animated) {
|
|
oldXs[i] = cl.getX();
|
|
oldYs[i] = cl.getY();
|
|
oldScaleXs[i] = cl.getScaleX();
|
|
oldScaleYs[i] = cl.getScaleY();
|
|
oldBackgroundAlphas[i] = cl.getBackgroundAlpha();
|
|
oldRotationYs[i] = cl.getRotationY();
|
|
newXs[i] = x;
|
|
newYs[i] = y;
|
|
newScaleXs[i] = SHRINK_FACTOR * rotationScaleX * extraShrinkFactor;
|
|
newScaleYs[i] = SHRINK_FACTOR * rotationScaleY * extraShrinkFactor;
|
|
newBackgroundAlphas[i] = finalAlpha;
|
|
newRotationYs[i] = rotation;
|
|
} else {
|
|
cl.setX((int)x);
|
|
cl.setY((int)y);
|
|
cl.setScaleX(SHRINK_FACTOR * rotationScaleX * extraShrinkFactor);
|
|
cl.setScaleY(SHRINK_FACTOR * rotationScaleY * extraShrinkFactor);
|
|
cl.setBackgroundAlpha(finalAlpha);
|
|
cl.setAlpha(finalAlpha);
|
|
cl.setRotationY(rotation);
|
|
mShrinkAnimationListener.onAnimationEnd(null);
|
|
}
|
|
// increment newX for the next screen
|
|
x += scaledPageWidth + extraScaledSpacing;
|
|
}
|
|
|
|
float wallpaperOffset = 0.5f;
|
|
Display display = mLauncher.getWindowManager().getDefaultDisplay();
|
|
int wallpaperTravelHeight = (int) (display.getHeight() *
|
|
wallpaperTravelToScreenHeightRatio(display.getWidth(), display.getHeight()));
|
|
float offsetFromCenter = (wallpaperTravelHeight / (float) mWallpaperHeight) / 2f;
|
|
boolean isLandscape = display.getWidth() > display.getHeight();
|
|
|
|
switch (shrinkState) {
|
|
// animating in
|
|
case TOP:
|
|
// customize
|
|
wallpaperOffset = 0.5f + offsetFromCenter;
|
|
mWallpaperOffset.setVerticalCatchupConstant(isLandscape ? 0.46f : 0.44f);
|
|
break;
|
|
case MIDDLE:
|
|
case SPRING_LOADED:
|
|
wallpaperOffset = 0.5f;
|
|
mWallpaperOffset.setVerticalCatchupConstant(isLandscape ? 0.34f : 0.32f);
|
|
break;
|
|
case BOTTOM_HIDDEN:
|
|
case BOTTOM_VISIBLE:
|
|
// allapps
|
|
wallpaperOffset = 0.5f - offsetFromCenter;
|
|
mWallpaperOffset.setVerticalCatchupConstant(isLandscape ? 0.34f : 0.32f);
|
|
break;
|
|
}
|
|
|
|
setLayoutScale(1.0f);
|
|
if (animated) {
|
|
mWallpaperOffset.setHorizontalCatchupConstant(0.46f);
|
|
mWallpaperOffset.setOverrideHorizontalCatchupConstant(true);
|
|
|
|
mSyncWallpaperOffsetWithScroll = false;
|
|
|
|
ValueAnimator animWithInterpolator =
|
|
ValueAnimator.ofFloat(0f, 1f).setDuration(duration);
|
|
animWithInterpolator.setInterpolator(mZoomOutInterpolator);
|
|
|
|
final float oldHorizontalWallpaperOffset = getHorizontalWallpaperOffset();
|
|
final float oldVerticalWallpaperOffset = getVerticalWallpaperOffset();
|
|
final float newHorizontalWallpaperOffset = 0.5f;
|
|
final float newVerticalWallpaperOffset = wallpaperOffset;
|
|
animWithInterpolator.addUpdateListener(new AnimatorUpdateListener() {
|
|
public void onAnimationUpdate(ValueAnimator animation) {
|
|
fastInvalidate();
|
|
final float b = (Float) animation.getAnimatedValue();
|
|
final float a = 1f - b;
|
|
setHorizontalWallpaperOffset(
|
|
a * oldHorizontalWallpaperOffset + b * newHorizontalWallpaperOffset);
|
|
setVerticalWallpaperOffset(
|
|
a * oldVerticalWallpaperOffset + b * newVerticalWallpaperOffset);
|
|
for (int i = 0; i < screenCount; i++) {
|
|
final CellLayout cl = (CellLayout) getChildAt(i);
|
|
cl.fastInvalidate();
|
|
cl.setFastX(a * oldXs[i] + b * newXs[i]);
|
|
cl.setFastY(a * oldYs[i] + b * newYs[i]);
|
|
cl.setFastScaleX(a * oldScaleXs[i] + b * newScaleXs[i]);
|
|
cl.setFastScaleY(a * oldScaleYs[i] + b * newScaleYs[i]);
|
|
cl.setFastBackgroundAlpha(
|
|
a * oldBackgroundAlphas[i] + b * newBackgroundAlphas[i]);
|
|
cl.setFastAlpha(a * oldAlphas[i] + b * newAlphas[i]);
|
|
cl.setFastRotationY(a * oldRotationYs[i] + b * newRotationYs[i]);
|
|
}
|
|
}
|
|
});
|
|
mAnimator.playTogether(animWithInterpolator);
|
|
mAnimator.addListener(mShrinkAnimationListener);
|
|
mAnimator.start();
|
|
} else {
|
|
setVerticalWallpaperOffset(wallpaperOffset);
|
|
setHorizontalWallpaperOffset(0.5f);
|
|
updateWallpaperOffsetImmediately();
|
|
}
|
|
setChildrenDrawnWithCacheEnabled(true);
|
|
|
|
if (shrinkState == ShrinkState.TOP) {
|
|
showBackgroundGradientForCustomizeTray();
|
|
} else {
|
|
showBackgroundGradientForAllApps();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This interpolator emulates the rate at which the perceived scale of an object changes
|
|
* as its distance from a camera increases. When this interpolator is applied to a scale
|
|
* animation on a view, it evokes the sense that the object is shrinking due to moving away
|
|
* from the camera.
|
|
*/
|
|
static class ZInterpolator implements TimeInterpolator {
|
|
private float focalLength;
|
|
|
|
public ZInterpolator(float foc) {
|
|
focalLength = foc;
|
|
}
|
|
|
|
public float getInterpolation(float input) {
|
|
return (1.0f - focalLength / (focalLength + input)) /
|
|
(1.0f - focalLength / (focalLength + 1.0f));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* The exact reverse of ZInterpolator.
|
|
*/
|
|
static class InverseZInterpolator implements TimeInterpolator {
|
|
private ZInterpolator zInterpolator;
|
|
public InverseZInterpolator(float foc) {
|
|
zInterpolator = new ZInterpolator(foc);
|
|
}
|
|
public float getInterpolation(float input) {
|
|
return 1 - zInterpolator.getInterpolation(1 - input);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* ZInterpolator compounded with an ease-out.
|
|
*/
|
|
static class ZoomOutInterpolator implements TimeInterpolator {
|
|
private final ZInterpolator zInterpolator = new ZInterpolator(0.2f);
|
|
private final DecelerateInterpolator decelerate = new DecelerateInterpolator(1.8f);
|
|
|
|
public float getInterpolation(float input) {
|
|
return decelerate.getInterpolation(zInterpolator.getInterpolation(input));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* InvereZInterpolator compounded with an ease-out.
|
|
*/
|
|
static class ZoomInInterpolator implements TimeInterpolator {
|
|
private final InverseZInterpolator inverseZInterpolator = new InverseZInterpolator(0.35f);
|
|
private final DecelerateInterpolator decelerate = new DecelerateInterpolator(3.0f);
|
|
|
|
public float getInterpolation(float input) {
|
|
return decelerate.getInterpolation(inverseZInterpolator.getInterpolation(input));
|
|
}
|
|
}
|
|
|
|
private final ZoomOutInterpolator mZoomOutInterpolator = new ZoomOutInterpolator();
|
|
private final ZoomInInterpolator mZoomInInterpolator = new ZoomInInterpolator();
|
|
|
|
private void updateWhichPagesAcceptDrops(ShrinkState state) {
|
|
updateWhichPagesAcceptDropsHelper(state, false, 1, 1);
|
|
}
|
|
|
|
private void updateWhichPagesAcceptDropsDuringDrag(ShrinkState state, int spanX, int spanY) {
|
|
updateWhichPagesAcceptDropsHelper(state, true, spanX, spanY);
|
|
}
|
|
|
|
private void updateWhichPagesAcceptDropsHelper(
|
|
ShrinkState state, boolean isDragHappening, int spanX, int spanY) {
|
|
final int screenCount = getChildCount();
|
|
for (int i = 0; i < screenCount; i++) {
|
|
CellLayout cl = (CellLayout) getChildAt(i);
|
|
cl.setIsDragOccuring(isDragHappening);
|
|
switch (state) {
|
|
case TOP:
|
|
cl.setIsDefaultDropTarget(i == mCurrentPage);
|
|
case BOTTOM_HIDDEN:
|
|
case BOTTOM_VISIBLE:
|
|
case SPRING_LOADED:
|
|
if (state != ShrinkState.TOP) {
|
|
cl.setIsDefaultDropTarget(false);
|
|
}
|
|
if (!isDragHappening) {
|
|
// even if a drag isn't happening, we don't want to show a screen as
|
|
// accepting drops if it doesn't have at least one free cell
|
|
spanX = 1;
|
|
spanY = 1;
|
|
}
|
|
// the page accepts drops if we can find at least one empty spot
|
|
cl.setAcceptsDrops(cl.findCellForSpan(null, spanX, spanY));
|
|
break;
|
|
default:
|
|
throw new RuntimeException("Unhandled ShrinkState " + state);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
*
|
|
* We call these methods (onDragStartedWithItemSpans/onDragStartedWithItemMinSize) whenever we
|
|
* start a drag in Launcher, regardless of whether the drag has ever entered the Workspace
|
|
*
|
|
* These methods mark the appropriate pages as accepting drops (which alters their visual
|
|
* appearance).
|
|
*
|
|
*/
|
|
public void onDragStartedWithItemSpans(int spanX, int spanY, Bitmap b) {
|
|
mIsDragInProcess = true;
|
|
|
|
final Canvas canvas = new Canvas();
|
|
|
|
// We need to add extra padding to the bitmap to make room for the glow effect
|
|
final int bitmapPadding = HolographicOutlineHelper.MAX_OUTER_BLUR_RADIUS;
|
|
|
|
CellLayout cl = (CellLayout) getChildAt(0);
|
|
int[] desiredSize = cl.cellSpansToSize(spanX, spanY);
|
|
// The outline is used to visualize where the item will land if dropped
|
|
mDragOutline = createDragOutline(b, canvas, bitmapPadding, desiredSize[0], desiredSize[1]);
|
|
|
|
updateWhichPagesAcceptDropsDuringDrag(mShrinkState, spanX, spanY);
|
|
}
|
|
|
|
// we call this method whenever a drag and drop in Launcher finishes, even if Workspace was
|
|
// never dragged over
|
|
public void onDragStopped(boolean success) {
|
|
mLastDragView = null;
|
|
// In the success case, DragController has already called onDragExit()
|
|
if (!success) {
|
|
doDragExit();
|
|
}
|
|
mIsDragInProcess = false;
|
|
updateWhichPagesAcceptDrops(mShrinkState);
|
|
}
|
|
|
|
// We call this when we trigger an unshrink by clicking on the CellLayout cl
|
|
public void unshrink(CellLayout clThatWasClicked) {
|
|
unshrink(clThatWasClicked, false);
|
|
}
|
|
|
|
public void unshrink(CellLayout clThatWasClicked, boolean springLoaded) {
|
|
int newCurrentPage = indexOfChild(clThatWasClicked);
|
|
if (mIsSmall) {
|
|
if (springLoaded) {
|
|
setLayoutScale(SPRING_LOADED_DRAG_SHRINK_FACTOR);
|
|
}
|
|
scrollToNewPageWithoutMovingPages(newCurrentPage);
|
|
unshrink(true, springLoaded);
|
|
}
|
|
}
|
|
|
|
|
|
public void enterSpringLoadedDragMode(CellLayout clThatWasClicked) {
|
|
mShrinkState = ShrinkState.SPRING_LOADED;
|
|
unshrink(clThatWasClicked, true);
|
|
mDragTargetLayout.onDragEnter();
|
|
}
|
|
|
|
public void exitSpringLoadedDragMode(ShrinkState shrinkState) {
|
|
shrink(shrinkState);
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.onDragExit();
|
|
}
|
|
}
|
|
|
|
void unshrink(boolean animated) {
|
|
unshrink(animated, false);
|
|
}
|
|
|
|
void unshrink(boolean animated, boolean springLoaded) {
|
|
mWaitingToShrink = false;
|
|
if (mIsSmall) {
|
|
float finalScaleFactor = 1.0f;
|
|
float finalBackgroundAlpha = 0.0f;
|
|
if (springLoaded) {
|
|
finalScaleFactor = SPRING_LOADED_DRAG_SHRINK_FACTOR;
|
|
finalBackgroundAlpha = 1.0f;
|
|
} else {
|
|
mIsSmall = false;
|
|
}
|
|
if (mAnimator != null) {
|
|
mAnimator.cancel();
|
|
}
|
|
|
|
mAnimator = new AnimatorSet();
|
|
final int screenCount = getChildCount();
|
|
|
|
final int duration = getResources().getInteger(R.integer.config_workspaceUnshrinkTime);
|
|
|
|
final float[] oldTranslationXs = new float[getChildCount()];
|
|
final float[] oldTranslationYs = new float[getChildCount()];
|
|
final float[] oldScaleXs = new float[getChildCount()];
|
|
final float[] oldScaleYs = new float[getChildCount()];
|
|
final float[] oldBackgroundAlphas = new float[getChildCount()];
|
|
final float[] oldBackgroundAlphaMultipliers = new float[getChildCount()];
|
|
final float[] oldAlphas = new float[getChildCount()];
|
|
final float[] oldRotationYs = new float[getChildCount()];
|
|
final float[] newTranslationXs = new float[getChildCount()];
|
|
final float[] newTranslationYs = new float[getChildCount()];
|
|
final float[] newScaleXs = new float[getChildCount()];
|
|
final float[] newScaleYs = new float[getChildCount()];
|
|
final float[] newBackgroundAlphas = new float[getChildCount()];
|
|
final float[] newBackgroundAlphaMultipliers = new float[getChildCount()];
|
|
final float[] newAlphas = new float[getChildCount()];
|
|
final float[] newRotationYs = new float[getChildCount()];
|
|
|
|
for (int i = 0; i < screenCount; i++) {
|
|
final CellLayout cl = (CellLayout)getChildAt(i);
|
|
float finalAlphaValue = (i == mCurrentPage) ? 1.0f : 0.0f;
|
|
float finalAlphaMultiplierValue =
|
|
((i == mCurrentPage) && (mShrinkState != ShrinkState.SPRING_LOADED)) ?
|
|
0.0f : 1.0f;
|
|
float rotation = 0.0f;
|
|
|
|
if (i < mCurrentPage) {
|
|
rotation = WORKSPACE_ROTATION;
|
|
} else if (i > mCurrentPage) {
|
|
rotation = -WORKSPACE_ROTATION;
|
|
}
|
|
|
|
float translation = getOffsetXForRotation(rotation, cl.getWidth(), cl.getHeight());
|
|
|
|
oldAlphas[i] = cl.getAlpha();
|
|
newAlphas[i] = finalAlphaValue;
|
|
if (animated) {
|
|
oldTranslationXs[i] = cl.getTranslationX();
|
|
oldTranslationYs[i] = cl.getTranslationY();
|
|
oldScaleXs[i] = cl.getScaleX();
|
|
oldScaleYs[i] = cl.getScaleY();
|
|
oldBackgroundAlphas[i] = cl.getBackgroundAlpha();
|
|
oldBackgroundAlphaMultipliers[i] = cl.getBackgroundAlphaMultiplier();
|
|
oldRotationYs[i] = cl.getRotationY();
|
|
|
|
newTranslationXs[i] = translation;
|
|
newTranslationYs[i] = 0f;
|
|
newScaleXs[i] = finalScaleFactor;
|
|
newScaleYs[i] = finalScaleFactor;
|
|
newBackgroundAlphas[i] = finalBackgroundAlpha;
|
|
newBackgroundAlphaMultipliers[i] = finalAlphaMultiplierValue;
|
|
newRotationYs[i] = rotation;
|
|
} else {
|
|
cl.setTranslationX(translation);
|
|
cl.setTranslationY(0.0f);
|
|
cl.setScaleX(finalScaleFactor);
|
|
cl.setScaleY(finalScaleFactor);
|
|
cl.setBackgroundAlpha(0.0f);
|
|
cl.setBackgroundAlphaMultiplier(finalAlphaMultiplierValue);
|
|
cl.setAlpha(finalAlphaValue);
|
|
cl.setRotationY(rotation);
|
|
mUnshrinkAnimationListener.onAnimationEnd(null);
|
|
}
|
|
}
|
|
Display display = mLauncher.getWindowManager().getDefaultDisplay();
|
|
boolean isLandscape = display.getWidth() > display.getHeight();
|
|
switch (mShrinkState) {
|
|
// animating out
|
|
case TOP:
|
|
// customize
|
|
if (animated) {
|
|
mWallpaperOffset.setHorizontalCatchupConstant(isLandscape ? 0.65f : 0.62f);
|
|
mWallpaperOffset.setVerticalCatchupConstant(isLandscape ? 0.65f : 0.62f);
|
|
mWallpaperOffset.setOverrideHorizontalCatchupConstant(true);
|
|
}
|
|
break;
|
|
case MIDDLE:
|
|
case SPRING_LOADED:
|
|
if (animated) {
|
|
mWallpaperOffset.setHorizontalCatchupConstant(isLandscape ? 0.49f : 0.46f);
|
|
mWallpaperOffset.setVerticalCatchupConstant(isLandscape ? 0.49f : 0.46f);
|
|
mWallpaperOffset.setOverrideHorizontalCatchupConstant(true);
|
|
}
|
|
break;
|
|
case BOTTOM_HIDDEN:
|
|
case BOTTOM_VISIBLE:
|
|
// all apps
|
|
if (animated) {
|
|
mWallpaperOffset.setHorizontalCatchupConstant(isLandscape ? 0.65f : 0.65f);
|
|
mWallpaperOffset.setVerticalCatchupConstant(isLandscape ? 0.65f : 0.65f);
|
|
mWallpaperOffset.setOverrideHorizontalCatchupConstant(true);
|
|
}
|
|
break;
|
|
}
|
|
if (animated) {
|
|
ValueAnimator animWithInterpolator =
|
|
ValueAnimator.ofFloat(0f, 1f).setDuration(duration);
|
|
animWithInterpolator.setInterpolator(mZoomInInterpolator);
|
|
|
|
final float oldHorizontalWallpaperOffset = getHorizontalWallpaperOffset();
|
|
final float oldVerticalWallpaperOffset = getVerticalWallpaperOffset();
|
|
final float newHorizontalWallpaperOffset = wallpaperOffsetForCurrentScroll();
|
|
final float newVerticalWallpaperOffset = 0.5f;
|
|
animWithInterpolator.addUpdateListener(new AnimatorUpdateListener() {
|
|
public void onAnimationUpdate(ValueAnimator animation) {
|
|
fastInvalidate();
|
|
final float b = (Float) animation.getAnimatedValue();
|
|
final float a = 1f - b;
|
|
setHorizontalWallpaperOffset(
|
|
a * oldHorizontalWallpaperOffset + b * newHorizontalWallpaperOffset);
|
|
setVerticalWallpaperOffset(
|
|
a * oldVerticalWallpaperOffset + b * newVerticalWallpaperOffset);
|
|
for (int i = 0; i < screenCount; i++) {
|
|
final CellLayout cl = (CellLayout) getChildAt(i);
|
|
cl.fastInvalidate();
|
|
cl.setFastTranslationX(
|
|
a * oldTranslationXs[i] + b * newTranslationXs[i]);
|
|
cl.setFastTranslationY(
|
|
a * oldTranslationYs[i] + b * newTranslationYs[i]);
|
|
cl.setFastScaleX(a * oldScaleXs[i] + b * newScaleXs[i]);
|
|
cl.setFastScaleY(a * oldScaleYs[i] + b * newScaleYs[i]);
|
|
cl.setFastBackgroundAlpha(
|
|
a * oldBackgroundAlphas[i] + b * newBackgroundAlphas[i]);
|
|
cl.setBackgroundAlphaMultiplier(a * oldBackgroundAlphaMultipliers[i] +
|
|
b * newBackgroundAlphaMultipliers[i]);
|
|
cl.setFastAlpha(a * oldAlphas[i] + b * newAlphas[i]);
|
|
}
|
|
}
|
|
});
|
|
|
|
ValueAnimator rotationAnim =
|
|
ValueAnimator.ofFloat(0f, 1f).setDuration(duration);
|
|
rotationAnim.setInterpolator(new DecelerateInterpolator(2.0f));
|
|
rotationAnim.addUpdateListener(new AnimatorUpdateListener() {
|
|
public void onAnimationUpdate(ValueAnimator animation) {
|
|
// don't invalidate workspace because we did it above
|
|
final float b = (Float) animation.getAnimatedValue();
|
|
final float a = 1f - b;
|
|
for (int i = 0; i < screenCount; i++) {
|
|
final CellLayout cl = (CellLayout) getChildAt(i);
|
|
cl.setFastRotationY(a * oldRotationYs[i] + b * newRotationYs[i]);
|
|
}
|
|
}
|
|
});
|
|
|
|
mAnimator.playTogether(animWithInterpolator, rotationAnim);
|
|
// If we call this when we're not animated, onAnimationEnd is never called on
|
|
// the listener; make sure we only use the listener when we're actually animating
|
|
mAnimator.addListener(mUnshrinkAnimationListener);
|
|
mAnimator.start();
|
|
} else {
|
|
setHorizontalWallpaperOffset(wallpaperOffsetForCurrentScroll());
|
|
setVerticalWallpaperOffset(0.5f);
|
|
updateWallpaperOffsetImmediately();
|
|
}
|
|
}
|
|
|
|
if (!springLoaded) {
|
|
hideBackgroundGradient();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Draw the View v into the given Canvas.
|
|
*
|
|
* @param v the view to draw
|
|
* @param destCanvas the canvas to draw on
|
|
* @param padding the horizontal and vertical padding to use when drawing
|
|
*/
|
|
private void drawDragView(View v, Canvas destCanvas, int padding) {
|
|
final Rect clipRect = mTempRect;
|
|
v.getDrawingRect(clipRect);
|
|
|
|
// For a TextView, adjust the clip rect so that we don't include the text label
|
|
if (v instanceof BubbleTextView) {
|
|
final BubbleTextView tv = (BubbleTextView) v;
|
|
clipRect.bottom = tv.getExtendedPaddingTop() - (int) BubbleTextView.PADDING_V +
|
|
tv.getLayout().getLineTop(0);
|
|
} else if (v instanceof TextView) {
|
|
final TextView tv = (TextView) v;
|
|
clipRect.bottom = tv.getExtendedPaddingTop() - tv.getCompoundDrawablePadding() +
|
|
tv.getLayout().getLineTop(0);
|
|
}
|
|
|
|
// Draw the View into the bitmap.
|
|
// The translate of scrollX and scrollY is necessary when drawing TextViews, because
|
|
// they set scrollX and scrollY to large values to achieve centered text
|
|
|
|
destCanvas.save();
|
|
destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2);
|
|
destCanvas.clipRect(clipRect, Op.REPLACE);
|
|
v.draw(destCanvas);
|
|
destCanvas.restore();
|
|
}
|
|
|
|
/**
|
|
* Returns a new bitmap to be used as the object outline, e.g. to visualize the drop location.
|
|
* Responsibility for the bitmap is transferred to the caller.
|
|
*/
|
|
private Bitmap createDragOutline(View v, Canvas canvas, int padding) {
|
|
final int outlineColor = getResources().getColor(R.color.drag_outline_color);
|
|
final Bitmap b = Bitmap.createBitmap(
|
|
v.getWidth() + padding, v.getHeight() + padding, Bitmap.Config.ARGB_8888);
|
|
|
|
canvas.setBitmap(b);
|
|
drawDragView(v, canvas, padding);
|
|
mOutlineHelper.applyMediumExpensiveOutlineWithBlur(b, canvas, outlineColor, outlineColor);
|
|
return b;
|
|
}
|
|
|
|
/**
|
|
* Returns a new bitmap to be used as the object outline, e.g. to visualize the drop location.
|
|
* Responsibility for the bitmap is transferred to the caller.
|
|
*/
|
|
private Bitmap createDragOutline(Bitmap orig, Canvas canvas, int padding, int w, int h) {
|
|
final int outlineColor = getResources().getColor(R.color.drag_outline_color);
|
|
final Bitmap b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
|
|
canvas.setBitmap(b);
|
|
|
|
Rect src = new Rect(0, 0, orig.getWidth(), orig.getHeight());
|
|
float scaleFactor = Math.min((w - padding) / (float) orig.getWidth(),
|
|
(h - padding) / (float) orig.getHeight());
|
|
int scaledWidth = (int) (scaleFactor * orig.getWidth());
|
|
int scaledHeight = (int) (scaleFactor * orig.getHeight());
|
|
Rect dst = new Rect(0, 0, scaledWidth, scaledHeight);
|
|
|
|
// center the image
|
|
dst.offset((w - scaledWidth) / 2, (h - scaledHeight) / 2);
|
|
|
|
Paint p = new Paint();
|
|
p.setFilterBitmap(true);
|
|
canvas.drawBitmap(orig, src, dst, p);
|
|
mOutlineHelper.applyMediumExpensiveOutlineWithBlur(b, canvas, outlineColor, outlineColor);
|
|
|
|
return b;
|
|
}
|
|
|
|
/**
|
|
* Creates a drag outline to represent a drop (that we don't have the actual information for
|
|
* yet). May be changed in the future to alter the drop outline slightly depending on the
|
|
* clip description mime data.
|
|
*/
|
|
private Bitmap createExternalDragOutline(Canvas canvas, int padding) {
|
|
Resources r = getResources();
|
|
final int outlineColor = r.getColor(R.color.drag_outline_color);
|
|
final int iconWidth = r.getDimensionPixelSize(R.dimen.workspace_cell_width);
|
|
final int iconHeight = r.getDimensionPixelSize(R.dimen.workspace_cell_height);
|
|
final int rectRadius = r.getDimensionPixelSize(R.dimen.external_drop_icon_rect_radius);
|
|
final int inset = (int) (Math.min(iconWidth, iconHeight) * 0.2f);
|
|
final Bitmap b = Bitmap.createBitmap(
|
|
iconWidth + padding, iconHeight + padding, Bitmap.Config.ARGB_8888);
|
|
|
|
canvas.setBitmap(b);
|
|
canvas.drawRoundRect(new RectF(inset, inset, iconWidth - inset, iconHeight - inset),
|
|
rectRadius, rectRadius, mExternalDragOutlinePaint);
|
|
mOutlineHelper.applyMediumExpensiveOutlineWithBlur(b, canvas, outlineColor, outlineColor);
|
|
return b;
|
|
}
|
|
|
|
/**
|
|
* Returns a new bitmap to show when the given View is being dragged around.
|
|
* Responsibility for the bitmap is transferred to the caller.
|
|
*/
|
|
private Bitmap createDragBitmap(View v, Canvas canvas, int padding) {
|
|
final int outlineColor = getResources().getColor(R.color.drag_outline_color);
|
|
final Bitmap b = Bitmap.createBitmap(
|
|
mDragOutline.getWidth(), mDragOutline.getHeight(), Bitmap.Config.ARGB_8888);
|
|
|
|
canvas.setBitmap(b);
|
|
canvas.drawBitmap(mDragOutline, 0, 0, null);
|
|
drawDragView(v, canvas, padding);
|
|
mOutlineHelper.applyOuterBlur(b, canvas, outlineColor);
|
|
|
|
return b;
|
|
}
|
|
|
|
void startDrag(CellLayout.CellInfo cellInfo) {
|
|
View child = cellInfo.cell;
|
|
|
|
// Make sure the drag was started by a long press as opposed to a long click.
|
|
if (!child.isInTouchMode()) {
|
|
return;
|
|
}
|
|
|
|
mDragInfo = cellInfo;
|
|
|
|
CellLayout current = (CellLayout) getChildAt(cellInfo.screen);
|
|
current.onDragChild(child);
|
|
|
|
child.clearFocus();
|
|
child.setPressed(false);
|
|
|
|
final Canvas canvas = new Canvas();
|
|
|
|
// We need to add extra padding to the bitmap to make room for the glow effect
|
|
final int bitmapPadding = HolographicOutlineHelper.MAX_OUTER_BLUR_RADIUS;
|
|
|
|
// The outline is used to visualize where the item will land if dropped
|
|
mDragOutline = createDragOutline(child, canvas, bitmapPadding);
|
|
|
|
// The drag bitmap follows the touch point around on the screen
|
|
final Bitmap b = createDragBitmap(child, canvas, bitmapPadding);
|
|
|
|
final int bmpWidth = b.getWidth();
|
|
final int bmpHeight = b.getHeight();
|
|
child.getLocationOnScreen(mTempXY);
|
|
final int screenX = (int) mTempXY[0] + (child.getWidth() - bmpWidth) / 2;
|
|
final int screenY = (int) mTempXY[1] + (child.getHeight() - bmpHeight) / 2;
|
|
mLauncher.lockScreenOrientation();
|
|
mDragController.startDrag(b, screenX, screenY, 0, 0, bmpWidth, bmpHeight, this,
|
|
child.getTag(), DragController.DRAG_ACTION_MOVE, null);
|
|
b.recycle();
|
|
}
|
|
|
|
void addApplicationShortcut(ShortcutInfo info, int screen, int cellX, int cellY,
|
|
boolean insertAtFirst, int intersectX, int intersectY) {
|
|
final CellLayout cellLayout = (CellLayout) getChildAt(screen);
|
|
View view = mLauncher.createShortcut(R.layout.application, cellLayout, (ShortcutInfo) info);
|
|
|
|
final int[] cellXY = new int[2];
|
|
cellLayout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectX, intersectY);
|
|
addInScreen(view, screen, cellXY[0], cellXY[1], 1, 1, insertAtFirst);
|
|
LauncherModel.addOrMoveItemInDatabase(mLauncher, info,
|
|
LauncherSettings.Favorites.CONTAINER_DESKTOP, screen,
|
|
cellXY[0], cellXY[1]);
|
|
}
|
|
|
|
private void setPositionForDropAnimation(
|
|
View dragView, int dragViewX, int dragViewY, View parent, View child) {
|
|
final CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
|
|
|
|
// Based on the position of the drag view, find the top left of the original view
|
|
int viewX = dragViewX + (dragView.getWidth() - child.getWidth()) / 2;
|
|
int viewY = dragViewY + (dragView.getHeight() - child.getHeight()) / 2;
|
|
viewX += getResources().getInteger(R.integer.config_dragViewOffsetX);
|
|
viewY += getResources().getInteger(R.integer.config_dragViewOffsetY);
|
|
|
|
// Set its old pos (in the new parent's coordinates); it will be animated
|
|
// in animateViewIntoPosition after the next layout pass
|
|
lp.oldX = viewX - (parent.getLeft() - mScrollX);
|
|
lp.oldY = viewY - (parent.getTop() - mScrollY);
|
|
}
|
|
|
|
/*
|
|
* We should be careful that this method cannot result in any synchronous requestLayout()
|
|
* calls, as it is called from onLayout().
|
|
*/
|
|
public void animateViewIntoPosition(final View view) {
|
|
final CellLayout parent = (CellLayout) view.getParent().getParent();
|
|
final CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams();
|
|
|
|
// Convert the animation params to be relative to the Workspace, not the CellLayout
|
|
final int fromX = lp.oldX + parent.getLeft();
|
|
final int fromY = lp.oldY + parent.getTop();
|
|
|
|
final int dx = lp.x - lp.oldX;
|
|
final int dy = lp.y - lp.oldY;
|
|
|
|
// Calculate the duration of the animation based on the object's distance
|
|
final float dist = (float) Math.sqrt(dx*dx + dy*dy);
|
|
final Resources res = getResources();
|
|
final float maxDist = (float) res.getInteger(R.integer.config_dropAnimMaxDist);
|
|
int duration = res.getInteger(R.integer.config_dropAnimMaxDuration);
|
|
if (dist < maxDist) {
|
|
duration *= mQuintEaseOutInterpolator.getInterpolation(dist / maxDist);
|
|
}
|
|
|
|
if (mDropAnim != null) {
|
|
mDropAnim.end();
|
|
}
|
|
mDropAnim = new ValueAnimator();
|
|
mDropAnim.setInterpolator(mQuintEaseOutInterpolator);
|
|
|
|
// The view is invisible during the animation; we render it manually.
|
|
mDropAnim.addListener(new AnimatorListenerAdapter() {
|
|
public void onAnimationStart(Animator animation) {
|
|
// Set this here so that we don't render it until the animation begins
|
|
mDropView = view;
|
|
}
|
|
|
|
public void onAnimationEnd(Animator animation) {
|
|
if (mDropView != null) {
|
|
mDropView.setVisibility(View.VISIBLE);
|
|
mDropView = null;
|
|
}
|
|
}
|
|
});
|
|
|
|
mDropAnim.setDuration(duration);
|
|
mDropAnim.setFloatValues(0.0f, 1.0f);
|
|
mDropAnim.removeAllUpdateListeners();
|
|
mDropAnim.addUpdateListener(new AnimatorUpdateListener() {
|
|
public void onAnimationUpdate(ValueAnimator animation) {
|
|
final float percent = (Float) animation.getAnimatedValue();
|
|
// Invalidate the old position
|
|
invalidate(mDropViewPos[0], mDropViewPos[1],
|
|
mDropViewPos[0] + view.getWidth(), mDropViewPos[1] + view.getHeight());
|
|
|
|
mDropViewPos[0] = fromX + (int) (percent * dx + 0.5f);
|
|
mDropViewPos[1] = fromY + (int) (percent * dy + 0.5f);
|
|
invalidate(mDropViewPos[0], mDropViewPos[1],
|
|
mDropViewPos[0] + view.getWidth(), mDropViewPos[1] + view.getHeight());
|
|
}
|
|
});
|
|
|
|
mDropAnim.start();
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public boolean acceptDrop(DragSource source, int x, int y,
|
|
int xOffset, int yOffset, DragView dragView, Object dragInfo) {
|
|
|
|
// If it's an external drop (e.g. from All Apps), check if it should be accepted
|
|
if (source != this) {
|
|
// Don't accept the drop if we're not over a screen at time of drop
|
|
if (mDragTargetLayout == null || !mDragTargetLayout.getAcceptsDrops()) {
|
|
return false;
|
|
}
|
|
|
|
final CellLayout.CellInfo dragCellInfo = mDragInfo;
|
|
final int spanX = dragCellInfo == null ? 1 : dragCellInfo.spanX;
|
|
final int spanY = dragCellInfo == null ? 1 : dragCellInfo.spanY;
|
|
|
|
final View ignoreView = dragCellInfo == null ? null : dragCellInfo.cell;
|
|
|
|
// Don't accept the drop if there's no room for the item
|
|
if (!mDragTargetLayout.findCellForSpanIgnoring(null, spanX, spanY, ignoreView)) {
|
|
mLauncher.showOutOfSpaceMessage();
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset,
|
|
DragView dragView, Object dragInfo) {
|
|
|
|
int originX = x - xOffset;
|
|
int originY = y - yOffset;
|
|
|
|
if (mIsSmall || mIsInUnshrinkAnimation) {
|
|
// get originX and originY in the local coordinate system of the screen
|
|
mTempOriginXY[0] = originX;
|
|
mTempOriginXY[1] = originY;
|
|
mapPointFromSelfToChild(mDragTargetLayout, mTempOriginXY);
|
|
originX = (int)mTempOriginXY[0];
|
|
originY = (int)mTempOriginXY[1];
|
|
}
|
|
|
|
// When you are in customization mode and drag to a particular screen, make that the
|
|
// new current/default screen, so any subsequent taps add items to that screen
|
|
if (!mLauncher.isAllAppsVisible()) {
|
|
int dragTargetIndex = indexOfChild(mDragTargetLayout);
|
|
if (mCurrentPage != dragTargetIndex && (mIsSmall || mIsInUnshrinkAnimation)) {
|
|
scrollToNewPageWithoutMovingPages(dragTargetIndex);
|
|
}
|
|
}
|
|
|
|
if (source != this) {
|
|
if (!mIsSmall || mWasSpringLoadedOnDragExit) {
|
|
onDropExternal(originX, originY, dragInfo, mDragTargetLayout, false);
|
|
} else {
|
|
// if we drag and drop to small screens, don't pass the touch x/y coords (when we
|
|
// enable spring-loaded adding, however, we do want to pass the touch x/y coords)
|
|
onDropExternal(-1, -1, dragInfo, mDragTargetLayout, false);
|
|
}
|
|
} else if (mDragInfo != null) {
|
|
final View cell = mDragInfo.cell;
|
|
CellLayout dropTargetLayout = mDragTargetLayout;
|
|
|
|
// Handle the case where the user drops when in the scroll area.
|
|
// This is treated as a drop on the adjacent page.
|
|
if (dropTargetLayout == null && mInScrollArea) {
|
|
if (mPendingScrollDirection == DragController.SCROLL_LEFT) {
|
|
dropTargetLayout = (CellLayout) getChildAt(mCurrentPage - 1);
|
|
} else if (mPendingScrollDirection == DragController.SCROLL_RIGHT) {
|
|
dropTargetLayout = (CellLayout) getChildAt(mCurrentPage + 1);
|
|
}
|
|
}
|
|
|
|
if (dropTargetLayout != null) {
|
|
// Move internally
|
|
mTargetCell = findNearestVacantArea(originX, originY,
|
|
mDragInfo.spanX, mDragInfo.spanY, cell, dropTargetLayout,
|
|
mTargetCell);
|
|
|
|
final int screen = (mTargetCell == null) ?
|
|
mDragInfo.screen : indexOfChild(dropTargetLayout);
|
|
|
|
if (screen != mCurrentPage) {
|
|
snapToPage(screen);
|
|
}
|
|
|
|
if (mTargetCell != null) {
|
|
if (screen != mDragInfo.screen) {
|
|
// Reparent the view
|
|
((CellLayout) getChildAt(mDragInfo.screen)).removeView(cell);
|
|
addInScreen(cell, screen, mTargetCell[0], mTargetCell[1],
|
|
mDragInfo.spanX, mDragInfo.spanY);
|
|
}
|
|
|
|
// update the item's position after drop
|
|
final ItemInfo info = (ItemInfo) cell.getTag();
|
|
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams();
|
|
dropTargetLayout.onMove(cell, mTargetCell[0], mTargetCell[1]);
|
|
lp.cellX = mTargetCell[0];
|
|
lp.cellY = mTargetCell[1];
|
|
cell.setId(LauncherModel.getCellLayoutChildId(-1, mDragInfo.screen,
|
|
mTargetCell[0], mTargetCell[1], mDragInfo.spanX, mDragInfo.spanY));
|
|
|
|
LauncherModel.moveItemInDatabase(mLauncher, info,
|
|
LauncherSettings.Favorites.CONTAINER_DESKTOP, screen,
|
|
lp.cellX, lp.cellY);
|
|
}
|
|
}
|
|
|
|
final CellLayout parent = (CellLayout) cell.getParent().getParent();
|
|
|
|
// Prepare it to be animated into its new position
|
|
// This must be called after the view has been re-parented
|
|
setPositionForDropAnimation(dragView, originX, originY, parent, cell);
|
|
boolean animateDrop = !mWasSpringLoadedOnDragExit;
|
|
parent.onDropChild(cell, animateDrop);
|
|
}
|
|
}
|
|
|
|
public void onDragEnter(DragSource source, int x, int y, int xOffset,
|
|
int yOffset, DragView dragView, Object dragInfo) {
|
|
mDragTargetLayout = null; // Reset the drag state
|
|
|
|
if (!mIsSmall) {
|
|
mDragTargetLayout = getCurrentDropLayout();
|
|
mDragTargetLayout.onDragEnter();
|
|
showOutlines();
|
|
}
|
|
}
|
|
|
|
public DropTarget getDropTargetDelegate(DragSource source, int x, int y,
|
|
int xOffset, int yOffset, DragView dragView, Object dragInfo) {
|
|
|
|
if (mIsSmall || mIsInUnshrinkAnimation) {
|
|
// If we're shrunken, don't let anyone drag on folders/etc that are on the mini-screens
|
|
return null;
|
|
}
|
|
// We may need to delegate the drag to a child view. If a 1x1 item
|
|
// would land in a cell occupied by a DragTarget (e.g. a Folder),
|
|
// then drag events should be handled by that child.
|
|
|
|
ItemInfo item = (ItemInfo)dragInfo;
|
|
CellLayout currentLayout = getCurrentDropLayout();
|
|
|
|
int dragPointX, dragPointY;
|
|
if (item.spanX == 1 && item.spanY == 1) {
|
|
// For a 1x1, calculate the drop cell exactly as in onDragOver
|
|
dragPointX = x - xOffset;
|
|
dragPointY = y - yOffset;
|
|
} else {
|
|
// Otherwise, use the exact drag coordinates
|
|
dragPointX = x;
|
|
dragPointY = y;
|
|
}
|
|
dragPointX += mScrollX - currentLayout.getLeft();
|
|
dragPointY += mScrollY - currentLayout.getTop();
|
|
|
|
// If we are dragging over a cell that contains a DropTarget that will
|
|
// accept the drop, delegate to that DropTarget.
|
|
final int[] cellXY = mTempCell;
|
|
currentLayout.estimateDropCell(dragPointX, dragPointY, item.spanX, item.spanY, cellXY);
|
|
View child = currentLayout.getChildAt(cellXY[0], cellXY[1]);
|
|
if (child instanceof DropTarget) {
|
|
DropTarget target = (DropTarget)child;
|
|
if (target.acceptDrop(source, x, y, xOffset, yOffset, dragView, dragInfo)) {
|
|
return target;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Tests to see if the drop will be accepted by Launcher, and if so, includes additional data
|
|
* in the returned structure related to the widgets that match the drop (or a null list if it is
|
|
* a shortcut drop). If the drop is not accepted then a null structure is returned.
|
|
*/
|
|
private Pair<Integer, List<WidgetMimeTypeHandlerData>> validateDrag(DragEvent event) {
|
|
final LauncherModel model = mLauncher.getModel();
|
|
final ClipDescription desc = event.getClipDescription();
|
|
final int mimeTypeCount = desc.getMimeTypeCount();
|
|
for (int i = 0; i < mimeTypeCount; ++i) {
|
|
final String mimeType = desc.getMimeType(i);
|
|
if (mimeType.equals(InstallShortcutReceiver.SHORTCUT_MIMETYPE)) {
|
|
return new Pair<Integer, List<WidgetMimeTypeHandlerData>>(i, null);
|
|
} else {
|
|
final List<WidgetMimeTypeHandlerData> widgets =
|
|
model.resolveWidgetsForMimeType(mContext, mimeType);
|
|
if (widgets.size() > 0) {
|
|
return new Pair<Integer, List<WidgetMimeTypeHandlerData>>(i, widgets);
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Global drag and drop handler
|
|
*/
|
|
@Override
|
|
public boolean onDragEvent(DragEvent event) {
|
|
final ClipDescription desc = event.getClipDescription();
|
|
final CellLayout layout = (CellLayout) getChildAt(mCurrentPage);
|
|
final int[] pos = new int[2];
|
|
layout.getLocationOnScreen(pos);
|
|
// We need to offset the drag coordinates to layout coordinate space
|
|
final int x = (int) event.getX() - pos[0];
|
|
final int y = (int) event.getY() - pos[1];
|
|
|
|
switch (event.getAction()) {
|
|
case DragEvent.ACTION_DRAG_STARTED: {
|
|
// Validate this drag
|
|
Pair<Integer, List<WidgetMimeTypeHandlerData>> test = validateDrag(event);
|
|
if (test != null) {
|
|
boolean isShortcut = (test.second == null);
|
|
if (isShortcut) {
|
|
// Check if we have enough space on this screen to add a new shortcut
|
|
if (!layout.findCellForSpan(pos, 1, 1)) {
|
|
Toast.makeText(mContext, mContext.getString(R.string.out_of_space),
|
|
Toast.LENGTH_SHORT).show();
|
|
return false;
|
|
}
|
|
}
|
|
} else {
|
|
// Show error message if we couldn't accept any of the items
|
|
Toast.makeText(mContext, mContext.getString(R.string.external_drop_widget_error),
|
|
Toast.LENGTH_SHORT).show();
|
|
return false;
|
|
}
|
|
|
|
// Create the drag outline
|
|
// We need to add extra padding to the bitmap to make room for the glow effect
|
|
final Canvas canvas = new Canvas();
|
|
final int bitmapPadding = HolographicOutlineHelper.MAX_OUTER_BLUR_RADIUS;
|
|
mDragOutline = createExternalDragOutline(canvas, bitmapPadding);
|
|
|
|
// Show the current page outlines to indicate that we can accept this drop
|
|
showOutlines();
|
|
layout.setIsDragOccuring(true);
|
|
layout.onDragEnter();
|
|
layout.visualizeDropLocation(null, mDragOutline, x, y, 1, 1);
|
|
|
|
return true;
|
|
}
|
|
case DragEvent.ACTION_DRAG_LOCATION:
|
|
// Visualize the drop location
|
|
layout.visualizeDropLocation(null, mDragOutline, x, y, 1, 1);
|
|
return true;
|
|
case DragEvent.ACTION_DROP: {
|
|
// Try and add any shortcuts
|
|
final LauncherModel model = mLauncher.getModel();
|
|
final ClipData data = event.getClipData();
|
|
|
|
// We assume that the mime types are ordered in descending importance of
|
|
// representation. So we enumerate the list of mime types and alert the
|
|
// user if any widgets can handle the drop. Only the most preferred
|
|
// representation will be handled.
|
|
pos[0] = x;
|
|
pos[1] = y;
|
|
Pair<Integer, List<WidgetMimeTypeHandlerData>> test = validateDrag(event);
|
|
if (test != null) {
|
|
final int index = test.first;
|
|
final List<WidgetMimeTypeHandlerData> widgets = test.second;
|
|
final boolean isShortcut = (widgets == null);
|
|
final String mimeType = desc.getMimeType(index);
|
|
if (isShortcut) {
|
|
final Intent intent = data.getItemAt(index).getIntent();
|
|
Object info = model.infoFromShortcutIntent(mContext, intent, data.getIcon());
|
|
onDropExternal(x, y, info, layout, false);
|
|
} else {
|
|
if (widgets.size() == 1) {
|
|
// If there is only one item, then go ahead and add and configure
|
|
// that widget
|
|
final AppWidgetProviderInfo widgetInfo = widgets.get(0).widgetInfo;
|
|
final PendingAddWidgetInfo createInfo =
|
|
new PendingAddWidgetInfo(widgetInfo, mimeType, data);
|
|
mLauncher.addAppWidgetFromDrop(createInfo, mCurrentPage, pos);
|
|
} else {
|
|
// Show the widget picker dialog if there is more than one widget
|
|
// that can handle this data type
|
|
final InstallWidgetReceiver.WidgetListAdapter adapter =
|
|
new InstallWidgetReceiver.WidgetListAdapter(mLauncher, mimeType,
|
|
data, widgets, layout, mCurrentPage, pos);
|
|
final AlertDialog.Builder builder =
|
|
new AlertDialog.Builder(mContext);
|
|
builder.setAdapter(adapter, adapter);
|
|
builder.setCancelable(true);
|
|
builder.setTitle(mContext.getString(
|
|
R.string.external_drop_widget_pick_title));
|
|
builder.setIcon(R.drawable.ic_no_applications);
|
|
builder.show();
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
case DragEvent.ACTION_DRAG_ENDED:
|
|
// Hide the page outlines after the drop
|
|
layout.setIsDragOccuring(false);
|
|
layout.onDragExit();
|
|
hideOutlines();
|
|
return true;
|
|
}
|
|
return super.onDragEvent(event);
|
|
}
|
|
|
|
/*
|
|
*
|
|
* Convert the 2D coordinate xy from the parent View's coordinate space to this CellLayout's
|
|
* coordinate space. The argument xy is modified with the return result.
|
|
*
|
|
*/
|
|
void mapPointFromSelfToChild(View v, float[] xy) {
|
|
mapPointFromSelfToChild(v, xy, null);
|
|
}
|
|
|
|
/*
|
|
*
|
|
* Convert the 2D coordinate xy from the parent View's coordinate space to this CellLayout's
|
|
* coordinate space. The argument xy is modified with the return result.
|
|
*
|
|
* if cachedInverseMatrix is not null, this method will just use that matrix instead of
|
|
* computing it itself; we use this to avoid redundant matrix inversions in
|
|
* findMatchingPageForDragOver
|
|
*
|
|
*/
|
|
void mapPointFromSelfToChild(View v, float[] xy, Matrix cachedInverseMatrix) {
|
|
if (cachedInverseMatrix == null) {
|
|
v.getMatrix().invert(mTempInverseMatrix);
|
|
cachedInverseMatrix = mTempInverseMatrix;
|
|
}
|
|
xy[0] = xy[0] + mScrollX - v.getLeft();
|
|
xy[1] = xy[1] + mScrollY - v.getTop();
|
|
cachedInverseMatrix.mapPoints(xy);
|
|
}
|
|
|
|
/*
|
|
*
|
|
* Convert the 2D coordinate xy from this CellLayout's coordinate space to
|
|
* the parent View's coordinate space. The argument xy is modified with the return result.
|
|
*
|
|
*/
|
|
void mapPointFromChildToSelf(View v, float[] xy) {
|
|
v.getMatrix().mapPoints(xy);
|
|
xy[0] -= (mScrollX - v.getLeft());
|
|
xy[1] -= (mScrollY - v.getTop());
|
|
}
|
|
|
|
static private float squaredDistance(float[] point1, float[] point2) {
|
|
float distanceX = point1[0] - point2[0];
|
|
float distanceY = point2[1] - point2[1];
|
|
return distanceX * distanceX + distanceY * distanceY;
|
|
}
|
|
|
|
/*
|
|
*
|
|
* Returns true if the passed CellLayout cl overlaps with dragView
|
|
*
|
|
*/
|
|
boolean overlaps(CellLayout cl, DragView dragView,
|
|
int dragViewX, int dragViewY, Matrix cachedInverseMatrix) {
|
|
// Transform the coordinates of the item being dragged to the CellLayout's coordinates
|
|
final float[] draggedItemTopLeft = mTempDragCoordinates;
|
|
draggedItemTopLeft[0] = dragViewX;
|
|
draggedItemTopLeft[1] = dragViewY;
|
|
final float[] draggedItemBottomRight = mTempDragBottomRightCoordinates;
|
|
draggedItemBottomRight[0] = draggedItemTopLeft[0] + dragView.getDragRegionWidth();
|
|
draggedItemBottomRight[1] = draggedItemTopLeft[1] + dragView.getDragRegionHeight();
|
|
|
|
// Transform the dragged item's top left coordinates
|
|
// to the CellLayout's local coordinates
|
|
mapPointFromSelfToChild(cl, draggedItemTopLeft, cachedInverseMatrix);
|
|
float overlapRegionLeft = Math.max(0f, draggedItemTopLeft[0]);
|
|
float overlapRegionTop = Math.max(0f, draggedItemTopLeft[1]);
|
|
|
|
if (overlapRegionLeft <= cl.getWidth() && overlapRegionTop >= 0) {
|
|
// Transform the dragged item's bottom right coordinates
|
|
// to the CellLayout's local coordinates
|
|
mapPointFromSelfToChild(cl, draggedItemBottomRight, cachedInverseMatrix);
|
|
float overlapRegionRight = Math.min(cl.getWidth(), draggedItemBottomRight[0]);
|
|
float overlapRegionBottom = Math.min(cl.getHeight(), draggedItemBottomRight[1]);
|
|
|
|
if (overlapRegionRight >= 0 && overlapRegionBottom <= cl.getHeight()) {
|
|
float overlap = (overlapRegionRight - overlapRegionLeft) *
|
|
(overlapRegionBottom - overlapRegionTop);
|
|
if (overlap > 0) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
*
|
|
* This method returns the CellLayout that is currently being dragged to. In order to drag
|
|
* to a CellLayout, either the touch point must be directly over the CellLayout, or as a second
|
|
* strategy, we see if the dragView is overlapping any CellLayout and choose the closest one
|
|
*
|
|
* Return null if no CellLayout is currently being dragged over
|
|
*
|
|
*/
|
|
private CellLayout findMatchingPageForDragOver(
|
|
DragView dragView, int originX, int originY, int offsetX, int offsetY) {
|
|
// We loop through all the screens (ie CellLayouts) and see which ones overlap
|
|
// with the item being dragged and then choose the one that's closest to the touch point
|
|
final int screenCount = getChildCount();
|
|
CellLayout bestMatchingScreen = null;
|
|
float smallestDistSoFar = Float.MAX_VALUE;
|
|
|
|
for (int i = 0; i < screenCount; i++) {
|
|
CellLayout cl = (CellLayout)getChildAt(i);
|
|
|
|
final float[] touchXy = mTempTouchCoordinates;
|
|
touchXy[0] = originX + offsetX;
|
|
touchXy[1] = originY + offsetY;
|
|
|
|
// Transform the touch coordinates to the CellLayout's local coordinates
|
|
// If the touch point is within the bounds of the cell layout, we can return immediately
|
|
cl.getMatrix().invert(mTempInverseMatrix);
|
|
mapPointFromSelfToChild(cl, touchXy, mTempInverseMatrix);
|
|
|
|
if (touchXy[0] >= 0 && touchXy[0] <= cl.getWidth() &&
|
|
touchXy[1] >= 0 && touchXy[1] <= cl.getHeight()) {
|
|
return cl;
|
|
}
|
|
|
|
if (overlaps(cl, dragView, originX, originY, mTempInverseMatrix)) {
|
|
// Get the center of the cell layout in screen coordinates
|
|
final float[] cellLayoutCenter = mTempCellLayoutCenterCoordinates;
|
|
cellLayoutCenter[0] = cl.getWidth()/2;
|
|
cellLayoutCenter[1] = cl.getHeight()/2;
|
|
mapPointFromChildToSelf(cl, cellLayoutCenter);
|
|
|
|
touchXy[0] = originX + offsetX;
|
|
touchXy[1] = originY + offsetY;
|
|
|
|
// Calculate the distance between the center of the CellLayout
|
|
// and the touch point
|
|
float dist = squaredDistance(touchXy, cellLayoutCenter);
|
|
|
|
if (dist < smallestDistSoFar) {
|
|
smallestDistSoFar = dist;
|
|
bestMatchingScreen = cl;
|
|
}
|
|
}
|
|
}
|
|
return bestMatchingScreen;
|
|
}
|
|
|
|
public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
|
|
DragView dragView, Object dragInfo) {
|
|
// When touch is inside the scroll area, skip dragOver actions for the current screen
|
|
if (!mInScrollArea) {
|
|
CellLayout layout;
|
|
int originX = x - xOffset;
|
|
int originY = y - yOffset;
|
|
boolean shrunken = mIsSmall || mIsInUnshrinkAnimation;
|
|
if (shrunken) {
|
|
mLastDragView = dragView;
|
|
mLastDragOriginX = originX;
|
|
mLastDragOriginY = originY;
|
|
mLastDragXOffset = xOffset;
|
|
mLastDragYOffset = yOffset;
|
|
layout = findMatchingPageForDragOver(dragView, originX, originY, xOffset, yOffset);
|
|
|
|
if (layout != mDragTargetLayout) {
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.setIsDragOverlapping(false);
|
|
mSpringLoadedDragController.onDragExit();
|
|
}
|
|
mDragTargetLayout = layout;
|
|
if (mDragTargetLayout != null && mDragTargetLayout.getAcceptsDrops()) {
|
|
mDragTargetLayout.setIsDragOverlapping(true);
|
|
mSpringLoadedDragController.onDragEnter(
|
|
mDragTargetLayout, mShrinkState == ShrinkState.SPRING_LOADED);
|
|
}
|
|
}
|
|
} else {
|
|
layout = getCurrentDropLayout();
|
|
if (layout != mDragTargetLayout) {
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.onDragExit();
|
|
}
|
|
layout.onDragEnter();
|
|
mDragTargetLayout = layout;
|
|
}
|
|
}
|
|
if (!shrunken || mShrinkState == ShrinkState.SPRING_LOADED) {
|
|
layout = getCurrentDropLayout();
|
|
|
|
final ItemInfo item = (ItemInfo)dragInfo;
|
|
if (dragInfo instanceof LauncherAppWidgetInfo) {
|
|
LauncherAppWidgetInfo widgetInfo = (LauncherAppWidgetInfo)dragInfo;
|
|
|
|
if (widgetInfo.spanX == -1) {
|
|
// Calculate the grid spans needed to fit this widget
|
|
int[] spans = layout.rectToCell(
|
|
widgetInfo.minWidth, widgetInfo.minHeight, null);
|
|
item.spanX = spans[0];
|
|
item.spanY = spans[1];
|
|
}
|
|
}
|
|
|
|
if (source instanceof AllAppsPagedView) {
|
|
// This is a hack to fix the point used to determine which cell an icon from
|
|
// the all apps screen is over
|
|
if (item != null && item.spanX == 1 && layout != null) {
|
|
int dragRegionLeft = (dragView.getWidth() - layout.getCellWidth()) / 2;
|
|
|
|
originX += dragRegionLeft - dragView.getDragRegionLeft();
|
|
if (dragView.getDragRegionWidth() != layout.getCellWidth()) {
|
|
dragView.setDragRegion(dragView.getDragRegionLeft(),
|
|
dragView.getDragRegionTop(),
|
|
layout.getCellWidth(),
|
|
dragView.getDragRegionHeight());
|
|
}
|
|
}
|
|
} else if (source == this) {
|
|
// When dragging from the workspace, the drag view is slightly bigger than
|
|
// the original view, and offset vertically. Adjust to account for this.
|
|
final View origView = mDragInfo.cell;
|
|
originX += (dragView.getMeasuredWidth() - origView.getWidth()) / 2;
|
|
originY += (dragView.getMeasuredHeight() - origView.getHeight()) / 2
|
|
+ dragView.getOffsetY();
|
|
}
|
|
|
|
if (mDragTargetLayout != null) {
|
|
final View child = (mDragInfo == null) ? null : mDragInfo.cell;
|
|
float[] localOrigin = { originX, originY };
|
|
mapPointFromSelfToChild(mDragTargetLayout, localOrigin, null);
|
|
mSpringLoadedDropX = (int) localOrigin[0];
|
|
mSpringLoadedDropY = (int) localOrigin[1];
|
|
mDragTargetLayout.visualizeDropLocation(child, mDragOutline,
|
|
(int) localOrigin[0], (int) localOrigin[1], item.spanX, item.spanY);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void doDragExit() {
|
|
mWasSpringLoadedOnDragExit = mShrinkState == ShrinkState.SPRING_LOADED;
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.onDragExit();
|
|
}
|
|
if (!mIsPageMoving) {
|
|
hideOutlines();
|
|
}
|
|
if (mShrinkState == ShrinkState.SPRING_LOADED) {
|
|
mLauncher.exitSpringLoadedDragMode();
|
|
}
|
|
clearAllHovers();
|
|
}
|
|
|
|
public void onDragExit(DragSource source, int x, int y, int xOffset,
|
|
int yOffset, DragView dragView, Object dragInfo) {
|
|
doDragExit();
|
|
}
|
|
|
|
@Override
|
|
public void getHitRect(Rect outRect) {
|
|
// We want the workspace to have the whole area of the display (it will find the correct
|
|
// cell layout to drop to in the existing drag/drop logic.
|
|
final Display d = mLauncher.getWindowManager().getDefaultDisplay();
|
|
outRect.set(0, 0, d.getWidth(), d.getHeight());
|
|
}
|
|
|
|
/**
|
|
* Add the item specified by dragInfo to the given layout.
|
|
* @return true if successful
|
|
*/
|
|
public boolean addExternalItemToScreen(ItemInfo dragInfo, CellLayout layout) {
|
|
if (layout.findCellForSpan(mTempEstimate, dragInfo.spanX, dragInfo.spanY)) {
|
|
onDropExternal(-1, -1, (ItemInfo) dragInfo, (CellLayout) layout, false);
|
|
return true;
|
|
}
|
|
mLauncher.showOutOfSpaceMessage();
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Drop an item that didn't originate on one of the workspace screens.
|
|
* It may have come from Launcher (e.g. from all apps or customize), or it may have
|
|
* come from another app altogether.
|
|
*
|
|
* NOTE: This can also be called when we are outside of a drag event, when we want
|
|
* to add an item to one of the workspace screens.
|
|
*/
|
|
private void onDropExternal(int x, int y, Object dragInfo,
|
|
CellLayout cellLayout, boolean insertAtFirst) {
|
|
int screen = indexOfChild(cellLayout);
|
|
if (dragInfo instanceof PendingAddItemInfo) {
|
|
PendingAddItemInfo info = (PendingAddItemInfo) dragInfo;
|
|
// When dragging and dropping from customization tray, we deal with creating
|
|
// widgets/shortcuts/folders in a slightly different way
|
|
// Only set touchXY if you are supporting spring loaded adding of items
|
|
int[] touchXY = new int[2];
|
|
touchXY[0] = x;
|
|
touchXY[1] = y;
|
|
switch (info.itemType) {
|
|
case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
|
|
mLauncher.addAppWidgetFromDrop((PendingAddWidgetInfo) info, screen, touchXY);
|
|
break;
|
|
case LauncherSettings.Favorites.ITEM_TYPE_LIVE_FOLDER:
|
|
mLauncher.addLiveFolderFromDrop(info.componentName, screen, touchXY);
|
|
break;
|
|
case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
|
|
mLauncher.processShortcutFromDrop(info.componentName, screen, touchXY);
|
|
break;
|
|
default:
|
|
throw new IllegalStateException("Unknown item type: " + info.itemType);
|
|
}
|
|
cellLayout.onDragExit();
|
|
} else {
|
|
// This is for other drag/drop cases, like dragging from All Apps
|
|
ItemInfo info = (ItemInfo) dragInfo;
|
|
View view = null;
|
|
|
|
switch (info.itemType) {
|
|
case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
|
|
case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
|
|
if (info.container == NO_ID && info instanceof ApplicationInfo) {
|
|
// Came from all apps -- make a copy
|
|
info = new ShortcutInfo((ApplicationInfo) info);
|
|
}
|
|
view = mLauncher.createShortcut(R.layout.application, cellLayout,
|
|
(ShortcutInfo) info);
|
|
break;
|
|
case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER:
|
|
view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher,
|
|
cellLayout, (UserFolderInfo) info, mIconCache);
|
|
break;
|
|
default:
|
|
throw new IllegalStateException("Unknown item type: " + info.itemType);
|
|
}
|
|
|
|
mTargetCell = new int[2];
|
|
if (x != -1 && y != -1) {
|
|
// when dragging and dropping, just find the closest free spot
|
|
|
|
// When we get a drop in Spring Loaded mode, at this point we've already called
|
|
// onDragExit, which starts us shrinking again and screws up the transforms we
|
|
// need to get the right value. Instead, as a temporary solution, we've saved the
|
|
// proper point, mSpringLoadedDropX/Y, from the last onDragOver
|
|
cellLayout.findNearestVacantArea(mSpringLoadedDropX, mSpringLoadedDropY, 1, 1, mTargetCell);
|
|
} else {
|
|
cellLayout.findCellForSpan(mTargetCell, 1, 1);
|
|
}
|
|
addInScreen(view, indexOfChild(cellLayout), mTargetCell[0],
|
|
mTargetCell[1], info.spanX, info.spanY, insertAtFirst);
|
|
boolean animateDrop = !mWasSpringLoadedOnDragExit;
|
|
cellLayout.onDropChild(view, animateDrop);
|
|
cellLayout.animateDrop();
|
|
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams();
|
|
|
|
LauncherModel.addOrMoveItemInDatabase(mLauncher, info,
|
|
LauncherSettings.Favorites.CONTAINER_DESKTOP, screen,
|
|
lp.cellX, lp.cellY);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the current {@link CellLayout}, correctly picking the destination
|
|
* screen while a scroll is in progress.
|
|
*/
|
|
private CellLayout getCurrentDropLayout() {
|
|
// if we're currently small, use findMatchingPageForDragOver instead
|
|
if (mIsSmall) return null;
|
|
int index = mScroller.isFinished() ? mCurrentPage : mNextPage;
|
|
return (CellLayout) getChildAt(index);
|
|
}
|
|
|
|
/**
|
|
* Return the current CellInfo describing our current drag; this method exists
|
|
* so that Launcher can sync this object with the correct info when the activity is created/
|
|
* destroyed
|
|
*
|
|
*/
|
|
public CellLayout.CellInfo getDragInfo() {
|
|
return mDragInfo;
|
|
}
|
|
|
|
/**
|
|
* Calculate the nearest cell where the given object would be dropped.
|
|
*/
|
|
private int[] findNearestVacantArea(int pixelX, int pixelY,
|
|
int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) {
|
|
|
|
int localPixelX = pixelX - (layout.getLeft() - mScrollX);
|
|
int localPixelY = pixelY - (layout.getTop() - mScrollY);
|
|
|
|
// Find the best target drop location
|
|
return layout.findNearestVacantArea(
|
|
localPixelX, localPixelY, spanX, spanY, ignoreView, recycle);
|
|
}
|
|
|
|
void setLauncher(Launcher launcher) {
|
|
mLauncher = launcher;
|
|
mSpringLoadedDragController = new SpringLoadedDragController(mLauncher);
|
|
|
|
mCustomizationDrawer = mLauncher.findViewById(R.id.customization_drawer);
|
|
if (mCustomizationDrawer != null) {
|
|
mCustomizationDrawerContent =
|
|
mCustomizationDrawer.findViewById(com.android.internal.R.id.tabcontent);
|
|
}
|
|
}
|
|
|
|
public void setDragController(DragController dragController) {
|
|
mDragController = dragController;
|
|
}
|
|
|
|
/**
|
|
* Called at the end of a drag which originated on the workspace.
|
|
*/
|
|
public void onDropCompleted(View target, boolean success) {
|
|
if (success) {
|
|
if (target != this && mDragInfo != null) {
|
|
final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen);
|
|
cellLayout.removeView(mDragInfo.cell);
|
|
if (mDragInfo.cell instanceof DropTarget) {
|
|
mDragController.removeDropTarget((DropTarget)mDragInfo.cell);
|
|
}
|
|
// final Object tag = mDragInfo.cell.getTag();
|
|
}
|
|
} else if (mDragInfo != null) {
|
|
// NOTE: When 'success' is true, onDragExit is called by the DragController before
|
|
// calling onDropCompleted(). We call it ourselves here, but maybe this should be
|
|
// moved into DragController.cancelDrag().
|
|
doDragExit();
|
|
((CellLayout) getChildAt(mDragInfo.screen)).onDropChild(mDragInfo.cell, false);
|
|
}
|
|
mLauncher.unlockScreenOrientation();
|
|
mDragOutline = null;
|
|
mDragInfo = null;
|
|
}
|
|
|
|
@Override
|
|
public void onDragViewVisible() {
|
|
((View) mDragInfo.cell).setVisibility(View.GONE);
|
|
}
|
|
|
|
public boolean isDropEnabled() {
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
protected void onRestoreInstanceState(Parcelable state) {
|
|
super.onRestoreInstanceState(state);
|
|
Launcher.setScreen(mCurrentPage);
|
|
}
|
|
|
|
@Override
|
|
public void scrollLeft() {
|
|
if (!mIsSmall && !mIsInUnshrinkAnimation) {
|
|
super.scrollLeft();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void scrollRight() {
|
|
if (!mIsSmall && !mIsInUnshrinkAnimation) {
|
|
super.scrollRight();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onEnterScrollArea(int direction) {
|
|
if (!mIsSmall && !mIsInUnshrinkAnimation) {
|
|
mInScrollArea = true;
|
|
mPendingScrollDirection = direction;
|
|
|
|
final int page = mCurrentPage + (direction == DragController.SCROLL_LEFT ? -1 : 1);
|
|
final CellLayout layout = (CellLayout) getChildAt(page);
|
|
|
|
if (layout != null) {
|
|
layout.setIsDragOverlapping(true);
|
|
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.onDragExit();
|
|
mDragTargetLayout = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void clearAllHovers() {
|
|
final int childCount = getChildCount();
|
|
for (int i = 0; i < childCount; i++) {
|
|
((CellLayout) getChildAt(i)).setIsDragOverlapping(false);
|
|
}
|
|
mSpringLoadedDragController.onDragExit();
|
|
}
|
|
|
|
@Override
|
|
public void onExitScrollArea() {
|
|
if (mInScrollArea) {
|
|
mInScrollArea = false;
|
|
mPendingScrollDirection = DragController.SCROLL_NONE;
|
|
clearAllHovers();
|
|
}
|
|
}
|
|
|
|
public Folder getFolderForTag(Object tag) {
|
|
final int screenCount = getChildCount();
|
|
for (int screen = 0; screen < screenCount; screen++) {
|
|
ViewGroup currentScreen = ((CellLayout) getChildAt(screen)).getChildrenLayout();
|
|
int count = currentScreen.getChildCount();
|
|
for (int i = 0; i < count; i++) {
|
|
View child = currentScreen.getChildAt(i);
|
|
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
|
|
if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) {
|
|
Folder f = (Folder) child;
|
|
if (f.getInfo() == tag && f.getInfo().opened) {
|
|
return f;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public View getViewForTag(Object tag) {
|
|
int screenCount = getChildCount();
|
|
for (int screen = 0; screen < screenCount; screen++) {
|
|
ViewGroup currentScreen = ((CellLayout) getChildAt(screen)).getChildrenLayout();
|
|
int count = currentScreen.getChildCount();
|
|
for (int i = 0; i < count; i++) {
|
|
View child = currentScreen.getChildAt(i);
|
|
if (child.getTag() == tag) {
|
|
return child;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
|
|
void removeItems(final ArrayList<ApplicationInfo> apps) {
|
|
final int screenCount = getChildCount();
|
|
final PackageManager manager = getContext().getPackageManager();
|
|
final AppWidgetManager widgets = AppWidgetManager.getInstance(getContext());
|
|
|
|
final HashSet<String> packageNames = new HashSet<String>();
|
|
final int appCount = apps.size();
|
|
for (int i = 0; i < appCount; i++) {
|
|
packageNames.add(apps.get(i).componentName.getPackageName());
|
|
}
|
|
|
|
for (int i = 0; i < screenCount; i++) {
|
|
final CellLayout layoutParent = (CellLayout) getChildAt(i);
|
|
final ViewGroup layout = layoutParent.getChildrenLayout();
|
|
|
|
// Avoid ANRs by treating each screen separately
|
|
post(new Runnable() {
|
|
public void run() {
|
|
final ArrayList<View> childrenToRemove = new ArrayList<View>();
|
|
childrenToRemove.clear();
|
|
|
|
int childCount = layout.getChildCount();
|
|
for (int j = 0; j < childCount; j++) {
|
|
final View view = layout.getChildAt(j);
|
|
Object tag = view.getTag();
|
|
|
|
if (tag instanceof ShortcutInfo) {
|
|
final ShortcutInfo info = (ShortcutInfo) tag;
|
|
final Intent intent = info.intent;
|
|
final ComponentName name = intent.getComponent();
|
|
|
|
if (Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) {
|
|
for (String packageName: packageNames) {
|
|
if (packageName.equals(name.getPackageName())) {
|
|
LauncherModel.deleteItemFromDatabase(mLauncher, info);
|
|
childrenToRemove.add(view);
|
|
}
|
|
}
|
|
}
|
|
} else if (tag instanceof UserFolderInfo) {
|
|
final UserFolderInfo info = (UserFolderInfo) tag;
|
|
final ArrayList<ShortcutInfo> contents = info.contents;
|
|
final ArrayList<ShortcutInfo> toRemove = new ArrayList<ShortcutInfo>(1);
|
|
final int contentsCount = contents.size();
|
|
boolean removedFromFolder = false;
|
|
|
|
for (int k = 0; k < contentsCount; k++) {
|
|
final ShortcutInfo appInfo = contents.get(k);
|
|
final Intent intent = appInfo.intent;
|
|
final ComponentName name = intent.getComponent();
|
|
|
|
if (Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) {
|
|
for (String packageName: packageNames) {
|
|
if (packageName.equals(name.getPackageName())) {
|
|
toRemove.add(appInfo);
|
|
LauncherModel.deleteItemFromDatabase(mLauncher, appInfo);
|
|
removedFromFolder = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
contents.removeAll(toRemove);
|
|
if (removedFromFolder) {
|
|
final Folder folder = getOpenFolder();
|
|
if (folder != null)
|
|
folder.notifyDataSetChanged();
|
|
}
|
|
} else if (tag instanceof LiveFolderInfo) {
|
|
final LiveFolderInfo info = (LiveFolderInfo) tag;
|
|
final Uri uri = info.uri;
|
|
final ProviderInfo providerInfo = manager.resolveContentProvider(
|
|
uri.getAuthority(), 0);
|
|
|
|
if (providerInfo != null) {
|
|
for (String packageName: packageNames) {
|
|
if (packageName.equals(providerInfo.packageName)) {
|
|
LauncherModel.deleteItemFromDatabase(mLauncher, info);
|
|
childrenToRemove.add(view);
|
|
}
|
|
}
|
|
}
|
|
} else if (tag instanceof LauncherAppWidgetInfo) {
|
|
final LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) tag;
|
|
final AppWidgetProviderInfo provider =
|
|
widgets.getAppWidgetInfo(info.appWidgetId);
|
|
if (provider != null) {
|
|
for (String packageName: packageNames) {
|
|
if (packageName.equals(provider.provider.getPackageName())) {
|
|
LauncherModel.deleteItemFromDatabase(mLauncher, info);
|
|
childrenToRemove.add(view);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
childCount = childrenToRemove.size();
|
|
for (int j = 0; j < childCount; j++) {
|
|
View child = childrenToRemove.get(j);
|
|
// Note: We can not remove the view directly from CellLayoutChildren as this
|
|
// does not re-mark the spaces as unoccupied.
|
|
layoutParent.removeViewInLayout(child);
|
|
if (child instanceof DropTarget) {
|
|
mDragController.removeDropTarget((DropTarget)child);
|
|
}
|
|
}
|
|
|
|
if (childCount > 0) {
|
|
layout.requestLayout();
|
|
layout.invalidate();
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
void updateShortcuts(ArrayList<ApplicationInfo> apps) {
|
|
final int screenCount = getChildCount();
|
|
for (int i = 0; i < screenCount; i++) {
|
|
final ViewGroup layout = ((CellLayout) getChildAt(i)).getChildrenLayout();
|
|
int childCount = layout.getChildCount();
|
|
for (int j = 0; j < childCount; j++) {
|
|
final View view = layout.getChildAt(j);
|
|
Object tag = view.getTag();
|
|
if (tag instanceof ShortcutInfo) {
|
|
ShortcutInfo info = (ShortcutInfo)tag;
|
|
// We need to check for ACTION_MAIN otherwise getComponent() might
|
|
// return null for some shortcuts (for instance, for shortcuts to
|
|
// web pages.)
|
|
final Intent intent = info.intent;
|
|
final ComponentName name = intent.getComponent();
|
|
if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION &&
|
|
Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) {
|
|
final int appCount = apps.size();
|
|
for (int k = 0; k < appCount; k++) {
|
|
ApplicationInfo app = apps.get(k);
|
|
if (app.componentName.equals(name)) {
|
|
info.setIcon(mIconCache.getIcon(info.intent));
|
|
((TextView)view).setCompoundDrawablesWithIntrinsicBounds(null,
|
|
new FastBitmapDrawable(info.getIcon(mIconCache)),
|
|
null, null);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void moveToDefaultScreen(boolean animate) {
|
|
if (mIsSmall || mIsInUnshrinkAnimation) {
|
|
mLauncher.showWorkspace(animate, (CellLayout)getChildAt(mDefaultPage));
|
|
} else if (animate) {
|
|
snapToPage(mDefaultPage);
|
|
} else {
|
|
setCurrentPage(mDefaultPage);
|
|
}
|
|
getChildAt(mDefaultPage).requestFocus();
|
|
}
|
|
|
|
void setIndicators(Drawable previous, Drawable next) {
|
|
mPreviousIndicator = previous;
|
|
mNextIndicator = next;
|
|
previous.setLevel(mCurrentPage);
|
|
next.setLevel(mCurrentPage);
|
|
}
|
|
|
|
@Override
|
|
public void syncPages() {
|
|
}
|
|
|
|
@Override
|
|
public void syncPageItems(int page) {
|
|
}
|
|
|
|
}
|