Chet Haase
1841 lines
72 KiB
Java
1841 lines
72 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 android.animation.AnimatorListenerAdapter;
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import com.android.launcher.R;
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import android.animation.Animator;
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import android.animation.Animator.AnimatorListener;
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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.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.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.Canvas;
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import android.graphics.Color;
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import android.graphics.Matrix;
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import android.graphics.Rect;
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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.view.MotionEvent;
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import android.view.View;
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import android.widget.TextView;
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import java.util.ArrayList;
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import java.util.HashSet;
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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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// 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 = 0.97f;
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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 = 1.08f;
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private static final int BACKGROUND_FADE_OUT_DELAY = 300;
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private static final int BACKGROUND_FADE_OUT_DURATION = 300;
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private static final int BACKGROUND_FADE_IN_DURATION = 100;
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// These animators are used to fade the background
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private ObjectAnimator mBackgroundFadeInAnimation;
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private ObjectAnimator mBackgroundFadeOutAnimation;
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private float mBackgroundAlpha = 0;
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private final WallpaperManager mWallpaperManager;
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private int mDefaultPage;
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private boolean mWaitingToShrinkToBottom = false;
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private boolean mPageMoving = 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 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 mUnshrinkAnimationListener;
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private enum ShrinkPosition {
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SHRINK_TO_TOP, SHRINK_TO_MIDDLE, SHRINK_TO_BOTTOM_HIDDEN, SHRINK_TO_BOTTOM_VISIBLE };
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private ShrinkPosition mShrunkenState;
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private boolean mInScrollArea = false;
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private HolographicOutlineHelper mOutlineHelper = new HolographicOutlineHelper();
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private Bitmap mDragOutline = null;
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private Rect mTempRect = new Rect();
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private int[] mTempXY = new int[2];
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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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mUnshrinkAnimationListener = new AnimatorListenerAdapter() {
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public void onAnimationStart(Animator animation) {
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mIsInUnshrinkAnimation = true;
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}
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public void onAnimationEnd(Animator animation) {
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mIsInUnshrinkAnimation = false;
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}
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};
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mSnapVelocity = 600;
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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.QUINTIC_MODE;
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} else {
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return SmoothPagedView.OVERSHOOT_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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CellLayout currentPage = (CellLayout) getChildAt(mCurrentPage);
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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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CellLayout currentPage = (CellLayout) getChildAt(screen);
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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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* Sets the current screen.
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*
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* @param currentPage
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*/
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@Override
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void setCurrentPage(int currentPage) {
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super.setCurrentPage(currentPage);
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updateWallpaperOffset(mScrollX);
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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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if (!group.addViewToCellLayout(child, insert ? 0 : -1, childId, lp)) {
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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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public boolean onTouch(View v, MotionEvent event) {
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// this is an intercepted event being forwarded from a cell layout
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if (mIsSmall || mIsInUnshrinkAnimation) {
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mLauncher.onWorkspaceClick((CellLayout) v);
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return true;
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} else if (!mPageMoving) {
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if (v == getChildAt(mCurrentPage - 1)) {
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snapToPage(mCurrentPage - 1);
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return true;
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} else if (v == getChildAt(mCurrentPage + 1)) {
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snapToPage(mCurrentPage + 1);
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return true;
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}
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}
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return false;
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}
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@Override
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public boolean dispatchUnhandledMove(View focused, int direction) {
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if (mIsSmall || mIsInUnshrinkAnimation) {
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// when the home screens are shrunken, shouldn't allow side-scrolling
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return false;
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}
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return super.dispatchUnhandledMove(focused, direction);
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}
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@Override
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public boolean onInterceptTouchEvent(MotionEvent ev) {
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if (mIsSmall || mIsInUnshrinkAnimation) {
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// when the home screens are shrunken, shouldn't allow side-scrolling
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return false;
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}
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return super.onInterceptTouchEvent(ev);
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}
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protected void onPageBeginMoving() {
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if (mNextPage != INVALID_PAGE) {
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// we're snapping to a particular screen
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enableChildrenCache(mCurrentPage, mNextPage);
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} else {
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// this is when user is actively dragging a particular screen, they might
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// swipe it either left or right (but we won't advance by more than one screen)
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enableChildrenCache(mCurrentPage - 1, mCurrentPage + 1);
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}
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showOutlines();
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mPageMoving = true;
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}
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protected void onPageEndMoving() {
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clearChildrenCache();
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// Hide the outlines, as long as we're not dragging
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if (!mDragController.dragging()) {
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hideOutlines();
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}
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mPageMoving = false;
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}
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@Override
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protected void notifyPageSwitchListener() {
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super.notifyPageSwitchListener();
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if (mPreviousIndicator != null) {
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// if we know the next page, we show the indication for it right away; it looks
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// weird if the indicators are lagging
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int page = mNextPage;
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if (page == INVALID_PAGE) {
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page = mCurrentPage;
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}
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mPreviousIndicator.setLevel(page);
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mNextIndicator.setLevel(page);
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}
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Launcher.setScreen(mCurrentPage);
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};
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private void updateWallpaperOffset() {
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updateWallpaperOffset(getChildAt(getChildCount() - 1).getRight() - (mRight - mLeft));
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}
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private void updateWallpaperOffset(int scrollRange) {
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final boolean isStaticWallpaper = (mWallpaperManager != null) &&
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(mWallpaperManager.getWallpaperInfo() == null);
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if (LauncherApplication.isScreenXLarge() && !isStaticWallpaper) {
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IBinder token = getWindowToken();
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if (token != null) {
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mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 0 );
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mWallpaperManager.setWallpaperOffsets(getWindowToken(),
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Math.max(0.f, Math.min(mScrollX/(float)scrollRange, 1.f)), 0);
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}
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}
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}
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public void showOutlines() {
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if (!mIsSmall && !mIsInUnshrinkAnimation) {
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if (mBackgroundFadeOutAnimation != null) mBackgroundFadeOutAnimation.cancel();
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if (mBackgroundFadeInAnimation != null) mBackgroundFadeInAnimation.cancel();
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mBackgroundFadeInAnimation = ObjectAnimator.ofFloat(this, "backgroundAlpha", 1.0f);
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mBackgroundFadeInAnimation.setDuration(BACKGROUND_FADE_IN_DURATION);
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mBackgroundFadeInAnimation.start();
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}
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}
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public void hideOutlines() {
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if (!mIsSmall && !mIsInUnshrinkAnimation) {
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if (mBackgroundFadeInAnimation != null) mBackgroundFadeInAnimation.cancel();
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if (mBackgroundFadeOutAnimation != null) mBackgroundFadeOutAnimation.cancel();
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mBackgroundFadeOutAnimation = ObjectAnimator.ofFloat(this, "backgroundAlpha", 0.0f);
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mBackgroundFadeOutAnimation.setDuration(BACKGROUND_FADE_OUT_DURATION);
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mBackgroundFadeOutAnimation.setStartDelay(BACKGROUND_FADE_OUT_DELAY);
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mBackgroundFadeOutAnimation.start();
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}
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}
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public void setBackgroundAlpha(float alpha) {
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mBackgroundAlpha = alpha;
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for (int i = 0; i < getChildCount(); i++) {
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CellLayout cl = (CellLayout) getChildAt(i);
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cl.setBackgroundAlpha(alpha);
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}
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}
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public float getBackgroundAlpha() {
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return mBackgroundAlpha;
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}
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@Override
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protected void screenScrolled(int screenCenter) {
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final int halfScreenSize = getMeasuredWidth() / 2;
|
|
for (int i = 0; i < getChildCount(); i++) {
|
|
View v = getChildAt(i);
|
|
if (v != null) {
|
|
int totalDistance = v.getMeasuredWidth() + 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);
|
|
|
|
float rotation = WORKSPACE_ROTATION * scrollProgress;
|
|
v.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) {
|
|
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 (mWaitingToShrinkToBottom) {
|
|
shrinkToBottom(false);
|
|
mWaitingToShrinkToBottom = 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 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);
|
|
}
|
|
}
|
|
|
|
@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) {
|
|
if (mLauncher.isAllAppsVisible()) {
|
|
// Cancel any scrolling that is in progress.
|
|
if (!mScroller.isFinished()) {
|
|
mScroller.abortAnimation();
|
|
}
|
|
setCurrentPage(mCurrentPage);
|
|
return false; // We don't want the events. Let them fall through to the all apps view.
|
|
}
|
|
|
|
return super.onTouchEvent(ev);
|
|
}
|
|
|
|
public boolean isSmall() {
|
|
return mIsSmall;
|
|
}
|
|
|
|
void shrinkToTop(boolean animated) {
|
|
shrink(ShrinkPosition.SHRINK_TO_TOP, animated);
|
|
}
|
|
|
|
void shrinkToMiddle() {
|
|
shrink(ShrinkPosition.SHRINK_TO_MIDDLE, true);
|
|
}
|
|
|
|
void shrinkToBottom() {
|
|
shrinkToBottom(true);
|
|
}
|
|
|
|
void shrinkToBottom(boolean animated) {
|
|
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
|
|
mWaitingToShrinkToBottom = true;
|
|
} else {
|
|
shrink(ShrinkPosition.SHRINK_TO_BOTTOM_HIDDEN, animated);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
// we use this to shrink the workspace for the all apps view and the customize view
|
|
private void shrink(ShrinkPosition shrinkPosition, boolean animated) {
|
|
mIsSmall = true;
|
|
mShrunkenState = shrinkPosition;
|
|
|
|
// Stop any scrolling, move to the current page right away
|
|
setCurrentPage(mCurrentPage);
|
|
updateWhichPagesAcceptDrops(mShrunkenState);
|
|
|
|
// 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;
|
|
|
|
float newY = getResources().getDimension(R.dimen.smallScreenVerticalMargin);
|
|
float finalAlpha = 1.0f;
|
|
float extraShrinkFactor = 1.0f;
|
|
if (shrinkPosition == ShrinkPosition.SHRINK_TO_BOTTOM_VISIBLE) {
|
|
newY = screenHeight - newY - scaledPageHeight;
|
|
} else if (shrinkPosition == ShrinkPosition.SHRINK_TO_BOTTOM_HIDDEN) {
|
|
|
|
// We shrink and disappear to nothing in the case of all apps
|
|
// (which is when we shrink to the bottom)
|
|
newY = screenHeight - newY - scaledPageHeight;
|
|
finalAlpha = 0.0f;
|
|
extraShrinkFactor = 0.1f;
|
|
} else if (shrinkPosition == ShrinkPosition.SHRINK_TO_MIDDLE) {
|
|
newY = screenHeight / 2 - scaledPageHeight / 2;
|
|
finalAlpha = 1.0f;
|
|
} else if (shrinkPosition == ShrinkPosition.SHRINK_TO_TOP) {
|
|
newY = screenHeight / 10;
|
|
}
|
|
|
|
// 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 newX = 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
|
|
newX -= (pageWidth - scaledPageWidth) / 2.0f;
|
|
newY -= (pageHeight - scaledPageHeight) / 2.0f;
|
|
for (int i = 0; i < screenCount; i++) {
|
|
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);
|
|
|
|
if (animated) {
|
|
final int duration = res.getInteger(R.integer.config_workspaceShrinkTime);
|
|
ObjectAnimator anim = ObjectAnimator.ofPropertyValuesHolder(cl,
|
|
PropertyValuesHolder.ofFloat("x", newX),
|
|
PropertyValuesHolder.ofFloat("y", newY),
|
|
PropertyValuesHolder.ofFloat("scaleX",
|
|
SHRINK_FACTOR * rotationScaleX * extraShrinkFactor),
|
|
PropertyValuesHolder.ofFloat("scaleY",
|
|
SHRINK_FACTOR * rotationScaleY * extraShrinkFactor),
|
|
PropertyValuesHolder.ofFloat("backgroundAlpha", finalAlpha),
|
|
PropertyValuesHolder.ofFloat("alpha", finalAlpha),
|
|
PropertyValuesHolder.ofFloat("rotationY", rotation));
|
|
anim.setDuration(duration);
|
|
anim.start();
|
|
} else {
|
|
cl.setX((int)newX);
|
|
cl.setY((int)newY);
|
|
cl.setScaleX(SHRINK_FACTOR * rotationScaleX);
|
|
cl.setScaleY(SHRINK_FACTOR * rotationScaleY);
|
|
cl.setBackgroundAlpha(1.0f);
|
|
cl.setAlpha(finalAlpha);
|
|
cl.setRotationY(rotation);
|
|
}
|
|
// increment newX for the next screen
|
|
newX += scaledPageWidth + extraScaledSpacing;
|
|
}
|
|
setChildrenDrawnWithCacheEnabled(true);
|
|
}
|
|
|
|
|
|
private void updateWhichPagesAcceptDrops(ShrinkPosition state) {
|
|
updateWhichPagesAcceptDropsHelper(state, false, 1, 1);
|
|
}
|
|
|
|
|
|
private void updateWhichPagesAcceptDropsDuringDrag(ShrinkPosition state, int spanX, int spanY) {
|
|
updateWhichPagesAcceptDropsHelper(state, true, spanX, spanY);
|
|
}
|
|
|
|
private void updateWhichPagesAcceptDropsHelper(
|
|
ShrinkPosition state, boolean isDragHappening, int spanX, int spanY) {
|
|
final int screenCount = getChildCount();
|
|
for (int i = 0; i < screenCount; i++) {
|
|
CellLayout cl = (CellLayout) getChildAt(i);
|
|
|
|
switch (state) {
|
|
case SHRINK_TO_TOP:
|
|
if (!isDragHappening) {
|
|
boolean showDropHighlight = i == mCurrentPage;
|
|
cl.setAcceptsDrops(showDropHighlight);
|
|
break;
|
|
}
|
|
// otherwise, fall through below and mark non-full screens as accepting drops
|
|
case SHRINK_TO_BOTTOM_HIDDEN:
|
|
case SHRINK_TO_BOTTOM_VISIBLE:
|
|
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(
|
|
"updateWhichPagesAcceptDropsHelper passed an unhandled ShrinkPosition");
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
*
|
|
* 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) and, if the pages are hidden, makes them visible.
|
|
*
|
|
*/
|
|
public void onDragStartedWithItemSpans(int spanX, int spanY) {
|
|
updateWhichPagesAcceptDropsDuringDrag(mShrunkenState, spanX, spanY);
|
|
if (mShrunkenState == ShrinkPosition.SHRINK_TO_BOTTOM_HIDDEN) {
|
|
shrink(ShrinkPosition.SHRINK_TO_BOTTOM_VISIBLE, true);
|
|
}
|
|
}
|
|
|
|
public void onDragStartedWithItemMinSize(int minWidth, int minHeight) {
|
|
int[] spanXY = CellLayout.rectToCell(getResources(), minWidth, minHeight, null);
|
|
onDragStartedWithItemSpans(spanXY[0], spanXY[1]);
|
|
}
|
|
|
|
// we call this method whenever a drag and drop in Launcher finishes, even if Workspace was
|
|
// never dragged over
|
|
public void onDragStopped() {
|
|
updateWhichPagesAcceptDrops(mShrunkenState);
|
|
if (mShrunkenState == ShrinkPosition.SHRINK_TO_BOTTOM_VISIBLE) {
|
|
shrink(ShrinkPosition.SHRINK_TO_BOTTOM_HIDDEN, true);
|
|
}
|
|
}
|
|
|
|
// We call this when we trigger an unshrink by clicking on the CellLayout cl
|
|
public void unshrink(CellLayout clThatWasClicked) {
|
|
int newCurrentPage = mCurrentPage;
|
|
final int screenCount = getChildCount();
|
|
for (int i = 0; i < screenCount; i++) {
|
|
if (getChildAt(i) == clThatWasClicked) {
|
|
newCurrentPage = i;
|
|
}
|
|
}
|
|
unshrink(newCurrentPage);
|
|
}
|
|
|
|
@Override
|
|
protected boolean handlePagingClicks() {
|
|
return true;
|
|
}
|
|
|
|
private void unshrink(int newCurrentPage) {
|
|
if (mIsSmall) {
|
|
int newX = getChildOffset(newCurrentPage) - getRelativeChildOffset(newCurrentPage);
|
|
int delta = newX - mScrollX;
|
|
|
|
final int screenCount = getChildCount();
|
|
for (int i = 0; i < screenCount; i++) {
|
|
CellLayout cl = (CellLayout) getChildAt(i);
|
|
cl.setX(cl.getX() + delta);
|
|
}
|
|
setCurrentPage(newCurrentPage);
|
|
unshrink();
|
|
}
|
|
}
|
|
|
|
void unshrink() {
|
|
unshrink(true);
|
|
}
|
|
|
|
void unshrink(boolean animated) {
|
|
if (mIsSmall) {
|
|
mIsSmall = false;
|
|
AnimatorSet s = new AnimatorSet();
|
|
final int screenCount = getChildCount();
|
|
|
|
final int duration = getResources().getInteger(R.integer.config_workspaceUnshrinkTime);
|
|
for (int i = 0; i < screenCount; i++) {
|
|
final CellLayout cl = (CellLayout)getChildAt(i);
|
|
float finalAlphaValue = (i == mCurrentPage) ? 1.0f : 0.0f;
|
|
float rotation = 0.0f;
|
|
|
|
if (i < mCurrentPage) {
|
|
rotation = WORKSPACE_ROTATION;
|
|
} else if (i > mCurrentPage) {
|
|
rotation = -WORKSPACE_ROTATION;
|
|
}
|
|
|
|
if (animated) {
|
|
|
|
s.playTogether(
|
|
ObjectAnimator.ofFloat(cl, "translationX", 0.0f).setDuration(duration),
|
|
ObjectAnimator.ofFloat(cl, "translationY", 0.0f).setDuration(duration),
|
|
ObjectAnimator.ofFloat(cl, "scaleX", 1.0f).setDuration(duration),
|
|
ObjectAnimator.ofFloat(cl, "scaleY", 1.0f).setDuration(duration),
|
|
ObjectAnimator.ofFloat(cl, "backgroundAlpha", 0.0f).setDuration(duration),
|
|
ObjectAnimator.ofFloat(cl, "alpha", finalAlphaValue).setDuration(duration),
|
|
ObjectAnimator.ofFloat(cl, "rotationY", rotation).setDuration(duration));
|
|
} else {
|
|
cl.setTranslationX(0.0f);
|
|
cl.setTranslationY(0.0f);
|
|
cl.setScaleX(1.0f);
|
|
cl.setScaleY(1.0f);
|
|
cl.setBackgroundAlpha(0.0f);
|
|
cl.setAlpha(finalAlphaValue);
|
|
cl.setRotationY(rotation);
|
|
}
|
|
}
|
|
if (animated) {
|
|
// 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
|
|
s.addListener(mUnshrinkAnimationListener);
|
|
s.start();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 TextView) {
|
|
final int iconHeight = ((TextView)v).getCompoundPaddingTop() - v.getPaddingTop();
|
|
clipRect.bottom = clipRect.top + iconHeight;
|
|
}
|
|
|
|
// 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.applyExpensiveOuterOutline(b, canvas, outlineColor, true);
|
|
|
|
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.applyGlow(b, canvas, outlineColor);
|
|
|
|
return b;
|
|
}
|
|
|
|
void startDrag(CellLayout.CellInfo cellInfo) {
|
|
View child = cellInfo.cell;
|
|
final int blurPadding = 40;
|
|
|
|
// Make sure the drag was started by a long press as opposed to a long click.
|
|
if (!child.isInTouchMode()) {
|
|
return;
|
|
}
|
|
|
|
mDragInfo = cellInfo;
|
|
mDragInfo.screen = mCurrentPage;
|
|
|
|
CellLayout current = ((CellLayout) getChildAt(mCurrentPage));
|
|
|
|
current.onDragChild(child);
|
|
|
|
child.clearFocus();
|
|
child.setPressed(false);
|
|
|
|
final Canvas canvas = new Canvas();
|
|
|
|
// The outline is used to visualize where the item will land if dropped
|
|
mDragOutline = createDragOutline(child, canvas, blurPadding);
|
|
|
|
// The drag bitmap follows the touch point around on the screen
|
|
final Bitmap b = createDragBitmap(child, canvas, blurPadding);
|
|
|
|
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;
|
|
mDragController.startDrag(b, screenX, screenY, 0, 0, bmpWidth, bmpHeight, this,
|
|
child.getTag(), DragController.DRAG_ACTION_MOVE, null);
|
|
b.recycle();
|
|
|
|
current.onDragEnter(child);
|
|
child.setVisibility(View.GONE);
|
|
}
|
|
|
|
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]);
|
|
}
|
|
|
|
|
|
public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset,
|
|
DragView dragView, Object dragInfo) {
|
|
CellLayout cellLayout;
|
|
int originX = x - xOffset;
|
|
int originY = y - yOffset;
|
|
if (mIsSmall || mIsInUnshrinkAnimation) {
|
|
cellLayout = findMatchingPageForDragOver(dragView, originX, originY, xOffset, yOffset);
|
|
if (cellLayout == null) {
|
|
// cancel the drag if we're not over a mini-screen at time of drop
|
|
// TODO: maybe add a nice fade here?
|
|
return;
|
|
}
|
|
// get originX and originY in the local coordinate system of the screen
|
|
mTempOriginXY[0] = originX;
|
|
mTempOriginXY[1] = originY;
|
|
mapPointFromSelfToChild(cellLayout, mTempOriginXY);
|
|
originX = (int)mTempOriginXY[0];
|
|
originY = (int)mTempOriginXY[1];
|
|
} else {
|
|
cellLayout = getCurrentDropLayout();
|
|
}
|
|
|
|
if (source != this) {
|
|
onDropExternal(originX, originY, dragInfo, cellLayout);
|
|
} else {
|
|
// Move internally
|
|
if (mDragInfo != null) {
|
|
final View cell = mDragInfo.cell;
|
|
|
|
mTargetCell = findNearestVacantArea(originX, originY,
|
|
mDragInfo.spanX, mDragInfo.spanY, cell, cellLayout,
|
|
mTargetCell);
|
|
|
|
int screen = indexOfChild(cellLayout);
|
|
if (screen != mDragInfo.screen) {
|
|
final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen);
|
|
originalCellLayout.removeView(cell);
|
|
addInScreen(cell, screen, mTargetCell[0], mTargetCell[1],
|
|
mDragInfo.spanX, mDragInfo.spanY);
|
|
}
|
|
cellLayout.onDropChild(cell);
|
|
|
|
// update the item's position after drop
|
|
final ItemInfo info = (ItemInfo) cell.getTag();
|
|
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams();
|
|
cellLayout.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);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void onDragEnter(DragSource source, int x, int y, int xOffset,
|
|
int yOffset, DragView dragView, Object dragInfo) {
|
|
getCurrentDropLayout().onDragEnter(dragView);
|
|
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;
|
|
}
|
|
|
|
/*
|
|
*
|
|
* 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 redudant 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 + dragView.getScaledDragRegionXOffset();
|
|
draggedItemTopLeft[1] = dragViewY + dragView.getScaledDragRegionYOffset();
|
|
final float[] draggedItemBottomRight = mTempDragBottomRightCoordinates;
|
|
draggedItemBottomRight[0] = draggedItemTopLeft[0] + dragView.getScaledDragRegionWidth();
|
|
draggedItemBottomRight[1] = draggedItemTopLeft[1] + dragView.getScaledDragRegionHeight();
|
|
|
|
// 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bestMatchingScreen != mDragTargetLayout) {
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.onDragExit();
|
|
}
|
|
mDragTargetLayout = bestMatchingScreen;
|
|
// TODO: Should we be calling mDragTargetLayout.onDragEnter() here?
|
|
}
|
|
return bestMatchingScreen;
|
|
}
|
|
|
|
public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
|
|
DragView dragView, Object dragInfo) {
|
|
CellLayout currentLayout;
|
|
int originX = x - xOffset;
|
|
int originY = y - yOffset;
|
|
if (mIsSmall || mIsInUnshrinkAnimation) {
|
|
currentLayout = findMatchingPageForDragOver(
|
|
dragView, originX, originY, xOffset, yOffset);
|
|
|
|
if (currentLayout == null) {
|
|
return;
|
|
}
|
|
|
|
currentLayout.setHover(true);
|
|
// get originX and originY in the local coordinate system of the screen
|
|
mTempOriginXY[0] = originX;
|
|
mTempOriginXY[1] = originY;
|
|
mapPointFromSelfToChild(currentLayout, mTempOriginXY);
|
|
originX = (int)mTempOriginXY[0];
|
|
originY = (int)mTempOriginXY[1];
|
|
} else {
|
|
currentLayout = 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 = currentLayout.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 && currentLayout != null) {
|
|
int dragRegionLeft = (dragView.getWidth() - currentLayout.getCellWidth()) / 2;
|
|
|
|
originX += dragRegionLeft - dragView.getDragRegionLeft();
|
|
if (dragView.getDragRegionWidth() != currentLayout.getCellWidth()) {
|
|
dragView.setDragRegion(dragView.getDragRegionLeft(), dragView.getDragRegionTop(),
|
|
currentLayout.getCellWidth(), dragView.getDragRegionHeight());
|
|
}
|
|
}
|
|
}
|
|
|
|
// When touch is inside the scroll area, skip dragOver actions for the current screen
|
|
if (!mInScrollArea) {
|
|
if (currentLayout != mDragTargetLayout) {
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.onDragExit();
|
|
}
|
|
currentLayout.onDragEnter(dragView);
|
|
mDragTargetLayout = currentLayout;
|
|
}
|
|
|
|
// only visualize the drop locations for moving icons within the home screen on tablet
|
|
// on phone, we also visualize icons dragged in from All Apps
|
|
if ((!LauncherApplication.isScreenXLarge() || source == this)
|
|
&& mDragTargetLayout != null) {
|
|
final View child = (mDragInfo == null) ? null : mDragInfo.cell;
|
|
int localOriginX = originX - (mDragTargetLayout.getLeft() - mScrollX);
|
|
int localOriginY = originY - (mDragTargetLayout.getTop() - mScrollY);
|
|
mDragTargetLayout.visualizeDropLocation(
|
|
child, mDragOutline, localOriginX, localOriginY, item.spanX, item.spanY);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void onDragExit(DragSource source, int x, int y, int xOffset,
|
|
int yOffset, DragView dragView, Object dragInfo) {
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.onDragExit();
|
|
mDragTargetLayout = null;
|
|
}
|
|
if (!mIsPageMoving) {
|
|
hideOutlines();
|
|
}
|
|
}
|
|
|
|
private void onDropExternal(int x, int y, Object dragInfo,
|
|
CellLayout cellLayout) {
|
|
onDropExternal(x, y, dragInfo, cellLayout, false);
|
|
}
|
|
|
|
/**
|
|
* Add the item specified by dragInfo to the given layout.
|
|
* This is basically the equivalent of onDropExternal, except it's not initiated
|
|
* by drag and drop.
|
|
* @return true if successful
|
|
*/
|
|
public boolean addExternalItemToScreen(Object dragInfo, View layout) {
|
|
CellLayout cl = (CellLayout) layout;
|
|
ItemInfo info = (ItemInfo) dragInfo;
|
|
|
|
if (cl.findCellForSpan(mTempEstimate, info.spanX, info.spanY)) {
|
|
onDropExternal(0, 0, dragInfo, cl, false);
|
|
return true;
|
|
}
|
|
mLauncher.showOutOfSpaceMessage();
|
|
return false;
|
|
}
|
|
|
|
// Drag from somewhere else
|
|
// 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
|
|
int[] touchXY = new int[2];
|
|
touchXY[0] = x;
|
|
touchXY[1] = y;
|
|
switch (info.itemType) {
|
|
case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
|
|
mLauncher.addAppWidgetFromDrop(info.componentName, 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();
|
|
return;
|
|
}
|
|
|
|
// 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));
|
|
break;
|
|
default:
|
|
throw new IllegalStateException("Unknown item type: " + info.itemType);
|
|
}
|
|
|
|
// If the view is null, it has already been added.
|
|
if (view == null) {
|
|
cellLayout.onDragExit();
|
|
} else {
|
|
mTargetCell = findNearestVacantArea(x, y, 1, 1, null, cellLayout, mTargetCell);
|
|
addInScreen(view, indexOfChild(cellLayout), mTargetCell[0],
|
|
mTargetCell[1], info.spanX, info.spanY, insertAtFirst);
|
|
cellLayout.onDropChild(view);
|
|
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() {
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public boolean acceptDrop(DragSource source, int x, int y,
|
|
int xOffset, int yOffset, DragView dragView, Object dragInfo) {
|
|
CellLayout layout;
|
|
if (mIsSmall || mIsInUnshrinkAnimation) {
|
|
layout = findMatchingPageForDragOver(
|
|
dragView, x - xOffset, y - yOffset, xOffset, yOffset);
|
|
if (layout == null) {
|
|
// cancel the drag if we're not over a mini-screen at time of drop
|
|
return false;
|
|
}
|
|
} else {
|
|
layout = getCurrentDropLayout();
|
|
}
|
|
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;
|
|
|
|
if (layout.findCellForSpanIgnoring(null, spanX, spanY, ignoreView)) {
|
|
return true;
|
|
} else {
|
|
mLauncher.showOutOfSpaceMessage();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
/**
|
|
* Estimate the size that a child with the given dimensions will take in the current screen.
|
|
*/
|
|
void estimateChildSize(int minWidth, int minHeight, int[] result) {
|
|
((CellLayout)getChildAt(mCurrentPage)).estimateChildSize(minWidth, minHeight, result);
|
|
}
|
|
|
|
void setLauncher(Launcher launcher) {
|
|
mLauncher = launcher;
|
|
}
|
|
|
|
public void setDragController(DragController dragController) {
|
|
mDragController = dragController;
|
|
}
|
|
|
|
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) {
|
|
final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen);
|
|
cellLayout.onDropAborted(mDragInfo.cell);
|
|
}
|
|
}
|
|
|
|
if (mDragInfo != null) {
|
|
mDragInfo.cell.setVisibility(View.VISIBLE);
|
|
}
|
|
mDragOutline = null;
|
|
mDragInfo = null;
|
|
}
|
|
|
|
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) {
|
|
mInScrollArea = true;
|
|
final int screen = getCurrentPage() + ((direction == DragController.SCROLL_LEFT) ? -1 : 1);
|
|
if (0 <= screen && screen < getChildCount()) {
|
|
((CellLayout) getChildAt(screen)).setHover(true);
|
|
}
|
|
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.onDragExit();
|
|
mDragTargetLayout = null;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onExitScrollArea() {
|
|
mInScrollArea = false;
|
|
final int childCount = getChildCount();
|
|
for (int i = 0; i < childCount; i++) {
|
|
((CellLayout) getChildAt(i)).setHover(false);
|
|
}
|
|
}
|
|
|
|
public Folder getFolderForTag(Object tag) {
|
|
final int screenCount = getChildCount();
|
|
for (int screen = 0; screen < screenCount; screen++) {
|
|
CellLayout currentScreen = ((CellLayout) getChildAt(screen));
|
|
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++) {
|
|
CellLayout currentScreen = ((CellLayout) getChildAt(screen));
|
|
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 layout = (CellLayout) getChildAt(i);
|
|
|
|
// 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);
|
|
layout.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 CellLayout layout = (CellLayout) getChildAt(i);
|
|
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) {
|
|
}
|
|
|
|
}
|