Jon Miranda
7d18dd8f07
In O, TalkBack reads both content description and the hint. We clear the hint when the Folder is named so that TalkBack only reads the Folder name. Bug: 62557038 Change-Id: I222fef2e1ce4a0bc222f0ca7bfb2f24281907188
1550 lines
56 KiB
Java
1550 lines
56 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.launcher3.folder;
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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.annotation.SuppressLint;
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import android.content.Context;
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import android.content.res.Resources;
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import android.graphics.Rect;
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import android.text.InputType;
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import android.text.Selection;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.ActionMode;
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import android.view.FocusFinder;
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import android.view.KeyEvent;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewDebug;
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import android.view.accessibility.AccessibilityEvent;
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import android.view.animation.AccelerateInterpolator;
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import android.view.animation.AnimationUtils;
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import android.view.inputmethod.EditorInfo;
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import android.widget.TextView;
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import com.android.launcher3.AbstractFloatingView;
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import com.android.launcher3.Alarm;
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import com.android.launcher3.AppInfo;
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import com.android.launcher3.CellLayout;
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import com.android.launcher3.DeviceProfile;
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import com.android.launcher3.DragSource;
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import com.android.launcher3.DropTarget;
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import com.android.launcher3.ExtendedEditText;
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import com.android.launcher3.FolderInfo;
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import com.android.launcher3.FolderInfo.FolderListener;
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import com.android.launcher3.ItemInfo;
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import com.android.launcher3.Launcher;
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import com.android.launcher3.LauncherAnimUtils;
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import com.android.launcher3.LauncherSettings;
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import com.android.launcher3.LogDecelerateInterpolator;
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import com.android.launcher3.OnAlarmListener;
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import com.android.launcher3.PagedView;
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import com.android.launcher3.R;
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import com.android.launcher3.ShortcutInfo;
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import com.android.launcher3.UninstallDropTarget.DropTargetSource;
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import com.android.launcher3.Utilities;
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import com.android.launcher3.Workspace.ItemOperator;
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import com.android.launcher3.accessibility.AccessibleDragListenerAdapter;
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import com.android.launcher3.config.FeatureFlags;
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import com.android.launcher3.config.ProviderConfig;
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import com.android.launcher3.dragndrop.DragController;
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import com.android.launcher3.dragndrop.DragController.DragListener;
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import com.android.launcher3.dragndrop.DragLayer;
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import com.android.launcher3.dragndrop.DragOptions;
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import com.android.launcher3.pageindicators.PageIndicatorDots;
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import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
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import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
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import com.android.launcher3.util.CircleRevealOutlineProvider;
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import com.android.launcher3.util.Thunk;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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/**
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* Represents a set of icons chosen by the user or generated by the system.
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*/
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public class Folder extends AbstractFloatingView implements DragSource, View.OnClickListener,
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View.OnLongClickListener, DropTarget, FolderListener, TextView.OnEditorActionListener,
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View.OnFocusChangeListener, DragListener, DropTargetSource,
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ExtendedEditText.OnBackKeyListener {
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private static final String TAG = "Launcher.Folder";
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/**
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* We avoid measuring {@link #mContent} with a 0 width or height, as this
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* results in CellLayout being measured as UNSPECIFIED, which it does not support.
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*/
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private static final int MIN_CONTENT_DIMEN = 5;
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static final int STATE_NONE = -1;
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static final int STATE_SMALL = 0;
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static final int STATE_ANIMATING = 1;
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static final int STATE_OPEN = 2;
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/**
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* Time for which the scroll hint is shown before automatically changing page.
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*/
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public static final int SCROLL_HINT_DURATION = 500;
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public static final int RESCROLL_DELAY = PagedView.PAGE_SNAP_ANIMATION_DURATION + 150;
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public static final int SCROLL_NONE = -1;
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public static final int SCROLL_LEFT = 0;
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public static final int SCROLL_RIGHT = 1;
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/**
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* Fraction of icon width which behave as scroll region.
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*/
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private static final float ICON_OVERSCROLL_WIDTH_FACTOR = 0.45f;
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private static final int FOLDER_NAME_ANIMATION_DURATION = 633;
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private static final int REORDER_DELAY = 250;
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private static final int ON_EXIT_CLOSE_DELAY = 400;
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private static final Rect sTempRect = new Rect();
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private static String sDefaultFolderName;
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private static String sHintText;
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private final Alarm mReorderAlarm = new Alarm();
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private final Alarm mOnExitAlarm = new Alarm();
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private final Alarm mOnScrollHintAlarm = new Alarm();
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@Thunk final Alarm mScrollPauseAlarm = new Alarm();
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@Thunk final ArrayList<View> mItemsInReadingOrder = new ArrayList<View>();
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private final int mExpandDuration;
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private final int mMaterialExpandDuration;
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private final int mMaterialExpandStagger;
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protected final Launcher mLauncher;
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protected DragController mDragController;
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public FolderInfo mInfo;
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@Thunk FolderIcon mFolderIcon;
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@Thunk FolderPagedView mContent;
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public ExtendedEditText mFolderName;
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private PageIndicatorDots mPageIndicator;
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private View mFooter;
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private int mFooterHeight;
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// Cell ranks used for drag and drop
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@Thunk int mTargetRank, mPrevTargetRank, mEmptyCellRank;
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@ViewDebug.ExportedProperty(category = "launcher",
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mapping = {
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@ViewDebug.IntToString(from = STATE_NONE, to = "STATE_NONE"),
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@ViewDebug.IntToString(from = STATE_SMALL, to = "STATE_SMALL"),
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@ViewDebug.IntToString(from = STATE_ANIMATING, to = "STATE_ANIMATING"),
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@ViewDebug.IntToString(from = STATE_OPEN, to = "STATE_OPEN"),
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})
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@Thunk int mState = STATE_NONE;
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@ViewDebug.ExportedProperty(category = "launcher")
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private boolean mRearrangeOnClose = false;
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boolean mItemsInvalidated = false;
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private View mCurrentDragView;
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private boolean mIsExternalDrag;
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private boolean mDragInProgress = false;
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private boolean mDeleteFolderOnDropCompleted = false;
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private boolean mSuppressFolderDeletion = false;
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private boolean mItemAddedBackToSelfViaIcon = false;
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@Thunk float mFolderIconPivotX;
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@Thunk float mFolderIconPivotY;
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private boolean mIsEditingName = false;
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@ViewDebug.ExportedProperty(category = "launcher")
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private boolean mDestroyed;
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@Thunk Runnable mDeferredAction;
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private boolean mDeferDropAfterUninstall;
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private boolean mUninstallSuccessful;
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// Folder scrolling
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private int mScrollAreaOffset;
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@Thunk int mScrollHintDir = SCROLL_NONE;
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@Thunk int mCurrentScrollDir = SCROLL_NONE;
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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 Folder(Context context, AttributeSet attrs) {
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super(context, attrs);
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setAlwaysDrawnWithCacheEnabled(false);
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Resources res = getResources();
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mExpandDuration = res.getInteger(R.integer.config_folderExpandDuration);
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mMaterialExpandDuration = res.getInteger(R.integer.config_materialFolderExpandDuration);
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mMaterialExpandStagger = res.getInteger(R.integer.config_materialFolderExpandStagger);
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if (sDefaultFolderName == null) {
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sDefaultFolderName = res.getString(R.string.folder_name);
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}
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if (sHintText == null) {
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sHintText = res.getString(R.string.folder_hint_text);
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}
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mLauncher = Launcher.getLauncher(context);
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// We need this view to be focusable in touch mode so that when text editing of the folder
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// name is complete, we have something to focus on, thus hiding the cursor and giving
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// reliable behavior when clicking the text field (since it will always gain focus on click).
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setFocusableInTouchMode(true);
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}
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@Override
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protected void onFinishInflate() {
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super.onFinishInflate();
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mContent = (FolderPagedView) findViewById(R.id.folder_content);
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mContent.setFolder(this);
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mPageIndicator = (PageIndicatorDots) findViewById(R.id.folder_page_indicator);
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mFolderName = (ExtendedEditText) findViewById(R.id.folder_name);
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mFolderName.setOnBackKeyListener(this);
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mFolderName.setOnFocusChangeListener(this);
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if (!Utilities.ATLEAST_MARSHMALLOW) {
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// We disable action mode in older OSes where floating selection menu is not yet
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// available.
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mFolderName.setCustomSelectionActionModeCallback(new ActionMode.Callback() {
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public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
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return false;
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}
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public boolean onCreateActionMode(ActionMode mode, Menu menu) {
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return false;
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}
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public void onDestroyActionMode(ActionMode mode) {
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}
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public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
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return false;
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}
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});
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}
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mFolderName.setOnEditorActionListener(this);
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mFolderName.setSelectAllOnFocus(true);
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mFolderName.setInputType(mFolderName.getInputType()
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& ~InputType.TYPE_TEXT_FLAG_AUTO_CORRECT
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& ~InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS
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| InputType.TYPE_TEXT_FLAG_CAP_WORDS);
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mFolderName.forceDisableSuggestions(true);
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mFooter = findViewById(R.id.folder_footer);
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// We find out how tall footer wants to be (it is set to wrap_content), so that
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// we can allocate the appropriate amount of space for it.
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int measureSpec = MeasureSpec.UNSPECIFIED;
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mFooter.measure(measureSpec, measureSpec);
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mFooterHeight = mFooter.getMeasuredHeight();
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}
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public void onClick(View v) {
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Object tag = v.getTag();
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if (tag instanceof ShortcutInfo) {
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mLauncher.onClick(v);
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}
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}
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public boolean onLongClick(View v) {
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// Return if global dragging is not enabled
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if (!mLauncher.isDraggingEnabled()) return true;
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return startDrag(v, new DragOptions());
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}
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public boolean startDrag(View v, DragOptions options) {
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Object tag = v.getTag();
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if (tag instanceof ShortcutInfo) {
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ShortcutInfo item = (ShortcutInfo) tag;
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if (!v.isInTouchMode()) {
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return false;
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}
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mEmptyCellRank = item.rank;
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mCurrentDragView = v;
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mDragController.addDragListener(this);
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if (options.isAccessibleDrag) {
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mDragController.addDragListener(new AccessibleDragListenerAdapter(
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mContent, CellLayout.FOLDER_ACCESSIBILITY_DRAG) {
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@Override
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protected void enableAccessibleDrag(boolean enable) {
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super.enableAccessibleDrag(enable);
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mFooter.setImportantForAccessibility(enable
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? IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS
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: IMPORTANT_FOR_ACCESSIBILITY_AUTO);
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}
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});
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}
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mLauncher.getWorkspace().beginDragShared(v, this, options);
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}
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return true;
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}
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@Override
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public void onDragStart(DropTarget.DragObject dragObject, DragOptions options) {
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if (dragObject.dragSource != this) {
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return;
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}
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mContent.removeItem(mCurrentDragView);
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if (dragObject.dragInfo instanceof ShortcutInfo) {
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mItemsInvalidated = true;
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// We do not want to get events for the item being removed, as they will get handled
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// when the drop completes
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try (SuppressInfoChanges s = new SuppressInfoChanges()) {
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mInfo.remove((ShortcutInfo) dragObject.dragInfo, true);
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}
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}
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mDragInProgress = true;
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mItemAddedBackToSelfViaIcon = false;
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}
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@Override
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public void onDragEnd() {
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if (mIsExternalDrag && mDragInProgress) {
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completeDragExit();
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}
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mDragController.removeDragListener(this);
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}
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public boolean isEditingName() {
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return mIsEditingName;
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}
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public void startEditingFolderName() {
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post(new Runnable() {
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@Override
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public void run() {
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mFolderName.setHint("");
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mIsEditingName = true;
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}
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});
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}
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@Override
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public boolean onBackKey() {
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// Convert to a string here to ensure that no other state associated with the text field
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// gets saved.
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String newTitle = mFolderName.getText().toString();
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mInfo.setTitle(newTitle);
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mLauncher.getModelWriter().updateItemInDatabase(mInfo);
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mFolderName.setHint(sDefaultFolderName.contentEquals(newTitle) ? sHintText : null);
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Utilities.sendCustomAccessibilityEvent(
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this, AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
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getContext().getString(R.string.folder_renamed, newTitle));
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// This ensures that focus is gained every time the field is clicked, which selects all
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// the text and brings up the soft keyboard if necessary.
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mFolderName.clearFocus();
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Selection.setSelection(mFolderName.getText(), 0, 0);
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mIsEditingName = false;
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return true;
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}
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public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
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if (actionId == EditorInfo.IME_ACTION_DONE) {
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mFolderName.dispatchBackKey();
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return true;
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}
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return false;
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}
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@Override
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public ExtendedEditText getActiveTextView() {
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return isEditingName() ? mFolderName : null;
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}
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public FolderIcon getFolderIcon() {
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return mFolderIcon;
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}
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public void setDragController(DragController dragController) {
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mDragController = dragController;
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}
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public void setFolderIcon(FolderIcon icon) {
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mFolderIcon = icon;
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}
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@Override
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protected void onAttachedToWindow() {
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// requestFocus() causes the focus onto the folder itself, which doesn't cause visual
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// effect but the next arrow key can start the keyboard focus inside of the folder, not
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// the folder itself.
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requestFocus();
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super.onAttachedToWindow();
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}
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@Override
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public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
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// When the folder gets focus, we don't want to announce the list of items.
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return true;
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}
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@Override
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public View focusSearch(int direction) {
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// When the folder is focused, further focus search should be within the folder contents.
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return FocusFinder.getInstance().findNextFocus(this, null, direction);
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}
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/**
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* @return the FolderInfo object associated with this folder
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*/
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public FolderInfo getInfo() {
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return mInfo;
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}
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void bind(FolderInfo info) {
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mInfo = info;
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ArrayList<ShortcutInfo> children = info.contents;
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Collections.sort(children, ITEM_POS_COMPARATOR);
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ArrayList<ShortcutInfo> overflow = mContent.bindItems(children);
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// If our folder has too many items we prune them from the list. This is an issue
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// when upgrading from the old Folders implementation which could contain an unlimited
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// number of items.
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// TODO: Remove this, as with multi-page folders, there will never be any overflow
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for (ShortcutInfo item: overflow) {
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mInfo.remove(item, false);
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mLauncher.getModelWriter().deleteItemFromDatabase(item);
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}
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DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
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if (lp == null) {
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lp = new DragLayer.LayoutParams(0, 0);
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lp.customPosition = true;
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setLayoutParams(lp);
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}
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centerAboutIcon();
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mItemsInvalidated = true;
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updateTextViewFocus();
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mInfo.addListener(this);
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if (!sDefaultFolderName.contentEquals(mInfo.title)) {
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mFolderName.setText(mInfo.title);
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mFolderName.setHint(null);
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} else {
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mFolderName.setText("");
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mFolderName.setHint(sHintText);
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}
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// In case any children didn't come across during loading, clean up the folder accordingly
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mFolderIcon.post(new Runnable() {
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public void run() {
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if (getItemCount() <= 1) {
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replaceFolderWithFinalItem();
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}
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}
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});
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}
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/**
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* Creates a new UserFolder, inflated from R.layout.user_folder.
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*
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* @param launcher The main activity.
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*
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* @return A new UserFolder.
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*/
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@SuppressLint("InflateParams")
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static Folder fromXml(Launcher launcher) {
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return (Folder) launcher.getLayoutInflater().inflate(
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FeatureFlags.LAUNCHER3_DISABLE_ICON_NORMALIZATION
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? R.layout.user_folder : R.layout.user_folder_icon_normalized, null);
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}
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/**
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* This method is intended to make the UserFolder to be visually identical in size and position
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* to its associated FolderIcon. This allows for a seamless transition into the expanded state.
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*/
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private void positionAndSizeAsIcon() {
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if (!(getParent() instanceof DragLayer)) return;
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setScaleX(0.8f);
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setScaleY(0.8f);
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setAlpha(0f);
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mState = STATE_SMALL;
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}
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private void prepareReveal() {
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setScaleX(1f);
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setScaleY(1f);
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setAlpha(1f);
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mState = STATE_SMALL;
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}
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/**
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* Opens the user folder described by the specified tag. The opening of the folder
|
|
* is animated relative to the specified View. If the View is null, no animation
|
|
* is played.
|
|
*/
|
|
public void animateOpen() {
|
|
Folder openFolder = getOpen(mLauncher);
|
|
if (openFolder != null && openFolder != this) {
|
|
// Close any open folder before opening a folder.
|
|
openFolder.close(true);
|
|
}
|
|
|
|
DragLayer dragLayer = mLauncher.getDragLayer();
|
|
// Just verify that the folder hasn't already been added to the DragLayer.
|
|
// There was a one-off crash where the folder had a parent already.
|
|
if (getParent() == null) {
|
|
dragLayer.addView(this);
|
|
mDragController.addDropTarget(this);
|
|
} else {
|
|
if (ProviderConfig.IS_DOGFOOD_BUILD) {
|
|
Log.e(TAG, "Opening folder (" + this + ") which already has a parent:"
|
|
+ getParent());
|
|
}
|
|
}
|
|
|
|
mIsOpen = true;
|
|
|
|
mContent.completePendingPageChanges();
|
|
if (!mDragInProgress) {
|
|
// Open on the first page.
|
|
mContent.snapToPageImmediately(0);
|
|
}
|
|
|
|
// This is set to true in close(), but isn't reset to false until onDropCompleted(). This
|
|
// leads to an inconsistent state if you drag out of the folder and drag back in without
|
|
// dropping. One resulting issue is that replaceFolderWithFinalItem() can be called twice.
|
|
mDeleteFolderOnDropCompleted = false;
|
|
|
|
final Runnable onCompleteRunnable;
|
|
prepareReveal();
|
|
centerAboutIcon();
|
|
|
|
mFolderIcon.growAndFadeOut();
|
|
|
|
AnimatorSet anim = LauncherAnimUtils.createAnimatorSet();
|
|
int width = getFolderWidth();
|
|
int height = getFolderHeight();
|
|
|
|
float transX = - 0.075f * (width / 2 - getPivotX());
|
|
float transY = - 0.075f * (height / 2 - getPivotY());
|
|
setTranslationX(transX);
|
|
setTranslationY(transY);
|
|
PropertyValuesHolder tx = PropertyValuesHolder.ofFloat(TRANSLATION_X, transX, 0);
|
|
PropertyValuesHolder ty = PropertyValuesHolder.ofFloat(TRANSLATION_Y, transY, 0);
|
|
|
|
Animator drift = ObjectAnimator.ofPropertyValuesHolder(this, tx, ty);
|
|
drift.setDuration(mMaterialExpandDuration);
|
|
drift.setStartDelay(mMaterialExpandStagger);
|
|
drift.setInterpolator(new LogDecelerateInterpolator(100, 0));
|
|
|
|
int rx = (int) Math.max(Math.max(width - getPivotX(), 0), getPivotX());
|
|
int ry = (int) Math.max(Math.max(height - getPivotY(), 0), getPivotY());
|
|
float radius = (float) Math.hypot(rx, ry);
|
|
|
|
Animator reveal = new CircleRevealOutlineProvider((int) getPivotX(),
|
|
(int) getPivotY(), 0, radius).createRevealAnimator(this);
|
|
reveal.setDuration(mMaterialExpandDuration);
|
|
reveal.setInterpolator(new LogDecelerateInterpolator(100, 0));
|
|
|
|
mContent.setAlpha(0f);
|
|
Animator iconsAlpha = ObjectAnimator.ofFloat(mContent, "alpha", 0f, 1f);
|
|
iconsAlpha.setDuration(mMaterialExpandDuration);
|
|
iconsAlpha.setStartDelay(mMaterialExpandStagger);
|
|
iconsAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
|
|
|
|
mFooter.setAlpha(0f);
|
|
Animator textAlpha = ObjectAnimator.ofFloat(mFooter, "alpha", 0f, 1f);
|
|
textAlpha.setDuration(mMaterialExpandDuration);
|
|
textAlpha.setStartDelay(mMaterialExpandStagger);
|
|
textAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
|
|
|
|
anim.play(drift);
|
|
anim.play(iconsAlpha);
|
|
anim.play(textAlpha);
|
|
anim.play(reveal);
|
|
|
|
mContent.setLayerType(LAYER_TYPE_HARDWARE, null);
|
|
mFooter.setLayerType(LAYER_TYPE_HARDWARE, null);
|
|
onCompleteRunnable = new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
mContent.setLayerType(LAYER_TYPE_NONE, null);
|
|
mFooter.setLayerType(LAYER_TYPE_NONE, null);
|
|
mLauncher.getUserEventDispatcher().resetElapsedContainerMillis();
|
|
}
|
|
};
|
|
anim.addListener(new AnimatorListenerAdapter() {
|
|
@Override
|
|
public void onAnimationStart(Animator animation) {
|
|
Utilities.sendCustomAccessibilityEvent(
|
|
Folder.this,
|
|
AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
|
|
mContent.getAccessibilityDescription());
|
|
mState = STATE_ANIMATING;
|
|
}
|
|
@Override
|
|
public void onAnimationEnd(Animator animation) {
|
|
mState = STATE_OPEN;
|
|
|
|
onCompleteRunnable.run();
|
|
mContent.setFocusOnFirstChild();
|
|
}
|
|
});
|
|
|
|
// Footer animation
|
|
if (mContent.getPageCount() > 1 && !mInfo.hasOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION)) {
|
|
int footerWidth = mContent.getDesiredWidth()
|
|
- mFooter.getPaddingLeft() - mFooter.getPaddingRight();
|
|
|
|
float textWidth = mFolderName.getPaint().measureText(mFolderName.getText().toString());
|
|
float translation = (footerWidth - textWidth) / 2;
|
|
mFolderName.setTranslationX(mContent.mIsRtl ? -translation : translation);
|
|
mPageIndicator.prepareEntryAnimation();
|
|
|
|
// Do not update the flag if we are in drag mode. The flag will be updated, when we
|
|
// actually drop the icon.
|
|
final boolean updateAnimationFlag = !mDragInProgress;
|
|
anim.addListener(new AnimatorListenerAdapter() {
|
|
|
|
@SuppressLint("InlinedApi")
|
|
@Override
|
|
public void onAnimationEnd(Animator animation) {
|
|
mFolderName.animate().setDuration(FOLDER_NAME_ANIMATION_DURATION)
|
|
.translationX(0)
|
|
.setInterpolator(AnimationUtils.loadInterpolator(
|
|
mLauncher, android.R.interpolator.fast_out_slow_in));
|
|
mPageIndicator.playEntryAnimation();
|
|
|
|
if (updateAnimationFlag) {
|
|
mInfo.setOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION, true,
|
|
mLauncher.getModelWriter());
|
|
}
|
|
}
|
|
});
|
|
} else {
|
|
mFolderName.setTranslationX(0);
|
|
}
|
|
|
|
mPageIndicator.stopAllAnimations();
|
|
anim.start();
|
|
|
|
// Make sure the folder picks up the last drag move even if the finger doesn't move.
|
|
if (mDragController.isDragging()) {
|
|
mDragController.forceTouchMove();
|
|
}
|
|
|
|
mContent.verifyVisibleHighResIcons(mContent.getNextPage());
|
|
|
|
// Notify the accessibility manager that this folder "window" has appeared and occluded
|
|
// the workspace items
|
|
sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
|
|
dragLayer.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
|
|
}
|
|
|
|
public void beginExternalDrag() {
|
|
mEmptyCellRank = mContent.allocateRankForNewItem();
|
|
mIsExternalDrag = true;
|
|
mDragInProgress = true;
|
|
|
|
// Since this folder opened by another controller, it might not get onDrop or
|
|
// onDropComplete. Perform cleanup once drag-n-drop ends.
|
|
mDragController.addDragListener(this);
|
|
}
|
|
|
|
@Override
|
|
protected boolean isOfType(int type) {
|
|
return (type & TYPE_FOLDER) != 0;
|
|
}
|
|
|
|
@Override
|
|
protected void handleClose(boolean animate) {
|
|
mIsOpen = false;
|
|
|
|
if (isEditingName()) {
|
|
mFolderName.dispatchBackKey();
|
|
}
|
|
|
|
if (mFolderIcon != null) {
|
|
mFolderIcon.shrinkAndFadeIn(animate);
|
|
}
|
|
|
|
if (!(getParent() instanceof DragLayer)) return;
|
|
DragLayer parent = (DragLayer) getParent();
|
|
|
|
if (animate) {
|
|
animateClosed();
|
|
} else {
|
|
closeComplete(false);
|
|
}
|
|
|
|
// Notify the accessibility manager that this folder "window" has disappeared and no
|
|
// longer occludes the workspace items
|
|
parent.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
|
|
}
|
|
|
|
private void animateClosed() {
|
|
final ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(this, 0, 0.9f, 0.9f);
|
|
oa.addListener(new AnimatorListenerAdapter() {
|
|
@Override
|
|
public void onAnimationEnd(Animator animation) {
|
|
setLayerType(LAYER_TYPE_NONE, null);
|
|
closeComplete(true);
|
|
}
|
|
@Override
|
|
public void onAnimationStart(Animator animation) {
|
|
Utilities.sendCustomAccessibilityEvent(
|
|
Folder.this,
|
|
AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
|
|
getContext().getString(R.string.folder_closed));
|
|
mState = STATE_ANIMATING;
|
|
}
|
|
});
|
|
oa.setDuration(mExpandDuration);
|
|
setLayerType(LAYER_TYPE_HARDWARE, null);
|
|
oa.start();
|
|
}
|
|
|
|
private void closeComplete(boolean wasAnimated) {
|
|
// TODO: Clear all active animations.
|
|
DragLayer parent = (DragLayer) getParent();
|
|
if (parent != null) {
|
|
parent.removeView(this);
|
|
}
|
|
mDragController.removeDropTarget(this);
|
|
clearFocus();
|
|
if (wasAnimated) {
|
|
mFolderIcon.requestFocus();
|
|
}
|
|
|
|
if (mRearrangeOnClose) {
|
|
rearrangeChildren();
|
|
mRearrangeOnClose = false;
|
|
}
|
|
if (getItemCount() <= 1) {
|
|
if (!mDragInProgress && !mSuppressFolderDeletion) {
|
|
replaceFolderWithFinalItem();
|
|
} else if (mDragInProgress) {
|
|
mDeleteFolderOnDropCompleted = true;
|
|
}
|
|
}
|
|
mSuppressFolderDeletion = false;
|
|
clearDragInfo();
|
|
mState = STATE_SMALL;
|
|
}
|
|
|
|
public boolean acceptDrop(DragObject d) {
|
|
final ItemInfo item = d.dragInfo;
|
|
final int itemType = item.itemType;
|
|
return ((itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION ||
|
|
itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT ||
|
|
itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) &&
|
|
!isFull());
|
|
}
|
|
|
|
public void onDragEnter(DragObject d) {
|
|
mPrevTargetRank = -1;
|
|
mOnExitAlarm.cancelAlarm();
|
|
// Get the area offset such that the folder only closes if half the drag icon width
|
|
// is outside the folder area
|
|
mScrollAreaOffset = d.dragView.getDragRegionWidth() / 2 - d.xOffset;
|
|
}
|
|
|
|
OnAlarmListener mReorderAlarmListener = new OnAlarmListener() {
|
|
public void onAlarm(Alarm alarm) {
|
|
mContent.realTimeReorder(mEmptyCellRank, mTargetRank);
|
|
mEmptyCellRank = mTargetRank;
|
|
}
|
|
};
|
|
|
|
public boolean isLayoutRtl() {
|
|
return (getLayoutDirection() == LAYOUT_DIRECTION_RTL);
|
|
}
|
|
|
|
@Override
|
|
public void onDragOver(DragObject d) {
|
|
onDragOver(d, REORDER_DELAY);
|
|
}
|
|
|
|
private int getTargetRank(DragObject d, float[] recycle) {
|
|
recycle = d.getVisualCenter(recycle);
|
|
return mContent.findNearestArea(
|
|
(int) recycle[0] - getPaddingLeft(), (int) recycle[1] - getPaddingTop());
|
|
}
|
|
|
|
@Thunk void onDragOver(DragObject d, int reorderDelay) {
|
|
if (mScrollPauseAlarm.alarmPending()) {
|
|
return;
|
|
}
|
|
final float[] r = new float[2];
|
|
mTargetRank = getTargetRank(d, r);
|
|
|
|
if (mTargetRank != mPrevTargetRank) {
|
|
mReorderAlarm.cancelAlarm();
|
|
mReorderAlarm.setOnAlarmListener(mReorderAlarmListener);
|
|
mReorderAlarm.setAlarm(REORDER_DELAY);
|
|
mPrevTargetRank = mTargetRank;
|
|
|
|
if (d.stateAnnouncer != null) {
|
|
d.stateAnnouncer.announce(getContext().getString(R.string.move_to_position,
|
|
mTargetRank + 1));
|
|
}
|
|
}
|
|
|
|
float x = r[0];
|
|
int currentPage = mContent.getNextPage();
|
|
|
|
float cellOverlap = mContent.getCurrentCellLayout().getCellWidth()
|
|
* ICON_OVERSCROLL_WIDTH_FACTOR;
|
|
boolean isOutsideLeftEdge = x < cellOverlap;
|
|
boolean isOutsideRightEdge = x > (getWidth() - cellOverlap);
|
|
|
|
if (currentPage > 0 && (mContent.mIsRtl ? isOutsideRightEdge : isOutsideLeftEdge)) {
|
|
showScrollHint(SCROLL_LEFT, d);
|
|
} else if (currentPage < (mContent.getPageCount() - 1)
|
|
&& (mContent.mIsRtl ? isOutsideLeftEdge : isOutsideRightEdge)) {
|
|
showScrollHint(SCROLL_RIGHT, d);
|
|
} else {
|
|
mOnScrollHintAlarm.cancelAlarm();
|
|
if (mScrollHintDir != SCROLL_NONE) {
|
|
mContent.clearScrollHint();
|
|
mScrollHintDir = SCROLL_NONE;
|
|
}
|
|
}
|
|
}
|
|
|
|
private void showScrollHint(int direction, DragObject d) {
|
|
// Show scroll hint on the right
|
|
if (mScrollHintDir != direction) {
|
|
mContent.showScrollHint(direction);
|
|
mScrollHintDir = direction;
|
|
}
|
|
|
|
// Set alarm for when the hint is complete
|
|
if (!mOnScrollHintAlarm.alarmPending() || mCurrentScrollDir != direction) {
|
|
mCurrentScrollDir = direction;
|
|
mOnScrollHintAlarm.cancelAlarm();
|
|
mOnScrollHintAlarm.setOnAlarmListener(new OnScrollHintListener(d));
|
|
mOnScrollHintAlarm.setAlarm(SCROLL_HINT_DURATION);
|
|
|
|
mReorderAlarm.cancelAlarm();
|
|
mTargetRank = mEmptyCellRank;
|
|
}
|
|
}
|
|
|
|
OnAlarmListener mOnExitAlarmListener = new OnAlarmListener() {
|
|
public void onAlarm(Alarm alarm) {
|
|
completeDragExit();
|
|
}
|
|
};
|
|
|
|
public void completeDragExit() {
|
|
if (mIsOpen) {
|
|
close(true);
|
|
mRearrangeOnClose = true;
|
|
} else if (mState == STATE_ANIMATING) {
|
|
mRearrangeOnClose = true;
|
|
} else {
|
|
rearrangeChildren();
|
|
clearDragInfo();
|
|
}
|
|
}
|
|
|
|
private void clearDragInfo() {
|
|
mCurrentDragView = null;
|
|
mIsExternalDrag = false;
|
|
}
|
|
|
|
public void onDragExit(DragObject d) {
|
|
// We only close the folder if this is a true drag exit, ie. not because
|
|
// a drop has occurred above the folder.
|
|
if (!d.dragComplete) {
|
|
mOnExitAlarm.setOnAlarmListener(mOnExitAlarmListener);
|
|
mOnExitAlarm.setAlarm(ON_EXIT_CLOSE_DELAY);
|
|
}
|
|
mReorderAlarm.cancelAlarm();
|
|
|
|
mOnScrollHintAlarm.cancelAlarm();
|
|
mScrollPauseAlarm.cancelAlarm();
|
|
if (mScrollHintDir != SCROLL_NONE) {
|
|
mContent.clearScrollHint();
|
|
mScrollHintDir = SCROLL_NONE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* When performing an accessibility drop, onDrop is sent immediately after onDragEnter. So we
|
|
* need to complete all transient states based on timers.
|
|
*/
|
|
@Override
|
|
public void prepareAccessibilityDrop() {
|
|
if (mReorderAlarm.alarmPending()) {
|
|
mReorderAlarm.cancelAlarm();
|
|
mReorderAlarmListener.onAlarm(mReorderAlarm);
|
|
}
|
|
}
|
|
|
|
public void onDropCompleted(final View target, final DragObject d,
|
|
final boolean isFlingToDelete, final boolean success) {
|
|
if (mDeferDropAfterUninstall) {
|
|
Log.d(TAG, "Deferred handling drop because waiting for uninstall.");
|
|
mDeferredAction = new Runnable() {
|
|
public void run() {
|
|
onDropCompleted(target, d, isFlingToDelete, success);
|
|
mDeferredAction = null;
|
|
}
|
|
};
|
|
return;
|
|
}
|
|
|
|
boolean beingCalledAfterUninstall = mDeferredAction != null;
|
|
boolean successfulDrop =
|
|
success && (!beingCalledAfterUninstall || mUninstallSuccessful);
|
|
|
|
if (successfulDrop) {
|
|
if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon && target != this) {
|
|
replaceFolderWithFinalItem();
|
|
}
|
|
} else {
|
|
// The drag failed, we need to return the item to the folder
|
|
ShortcutInfo info = (ShortcutInfo) d.dragInfo;
|
|
View icon = (mCurrentDragView != null && mCurrentDragView.getTag() == info)
|
|
? mCurrentDragView : mContent.createNewView(info);
|
|
ArrayList<View> views = getItemsInReadingOrder();
|
|
views.add(info.rank, icon);
|
|
mContent.arrangeChildren(views, views.size());
|
|
mItemsInvalidated = true;
|
|
|
|
try (SuppressInfoChanges s = new SuppressInfoChanges()) {
|
|
mFolderIcon.onDrop(d);
|
|
}
|
|
}
|
|
|
|
if (target != this) {
|
|
if (mOnExitAlarm.alarmPending()) {
|
|
mOnExitAlarm.cancelAlarm();
|
|
if (!successfulDrop) {
|
|
mSuppressFolderDeletion = true;
|
|
}
|
|
mScrollPauseAlarm.cancelAlarm();
|
|
completeDragExit();
|
|
}
|
|
}
|
|
|
|
mDeleteFolderOnDropCompleted = false;
|
|
mDragInProgress = false;
|
|
mItemAddedBackToSelfViaIcon = false;
|
|
mCurrentDragView = null;
|
|
|
|
// Reordering may have occured, and we need to save the new item locations. We do this once
|
|
// at the end to prevent unnecessary database operations.
|
|
updateItemLocationsInDatabaseBatch();
|
|
|
|
// Use the item count to check for multi-page as the folder UI may not have
|
|
// been refreshed yet.
|
|
if (getItemCount() <= mContent.itemsPerPage()) {
|
|
// Show the animation, next time something is added to the folder.
|
|
mInfo.setOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION, false,
|
|
mLauncher.getModelWriter());
|
|
}
|
|
|
|
if (!isFlingToDelete) {
|
|
// Fling to delete already exits spring loaded mode after the animation finishes.
|
|
mLauncher.exitSpringLoadedDragModeDelayed(successfulDrop,
|
|
Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void deferCompleteDropAfterUninstallActivity() {
|
|
mDeferDropAfterUninstall = true;
|
|
}
|
|
|
|
@Override
|
|
public void onDragObjectRemoved(boolean success) {
|
|
mDeferDropAfterUninstall = false;
|
|
mUninstallSuccessful = success;
|
|
if (mDeferredAction != null) {
|
|
mDeferredAction.run();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public float getIntrinsicIconScaleFactor() {
|
|
return 1f;
|
|
}
|
|
|
|
@Override
|
|
public boolean supportsAppInfoDropTarget() {
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean supportsDeleteDropTarget() {
|
|
return true;
|
|
}
|
|
|
|
private void updateItemLocationsInDatabaseBatch() {
|
|
ArrayList<View> list = getItemsInReadingOrder();
|
|
ArrayList<ItemInfo> items = new ArrayList<ItemInfo>();
|
|
for (int i = 0; i < list.size(); i++) {
|
|
View v = list.get(i);
|
|
ItemInfo info = (ItemInfo) v.getTag();
|
|
info.rank = i;
|
|
items.add(info);
|
|
}
|
|
|
|
mLauncher.getModelWriter().moveItemsInDatabase(items, mInfo.id, 0);
|
|
}
|
|
|
|
public void notifyDrop() {
|
|
if (mDragInProgress) {
|
|
mItemAddedBackToSelfViaIcon = true;
|
|
}
|
|
}
|
|
|
|
public boolean isDropEnabled() {
|
|
return true;
|
|
}
|
|
|
|
public boolean isFull() {
|
|
return mContent.isFull();
|
|
}
|
|
|
|
private void centerAboutIcon() {
|
|
DeviceProfile grid = mLauncher.getDeviceProfile();
|
|
|
|
DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
|
|
DragLayer parent = (DragLayer) mLauncher.findViewById(R.id.drag_layer);
|
|
int width = getFolderWidth();
|
|
int height = getFolderHeight();
|
|
|
|
float scale = parent.getDescendantRectRelativeToSelf(mFolderIcon, sTempRect);
|
|
int centerX = sTempRect.centerX();
|
|
int centerY = sTempRect.centerY();
|
|
int centeredLeft = centerX - width / 2;
|
|
int centeredTop = centerY - height / 2;
|
|
|
|
// We need to bound the folder to the currently visible workspace area
|
|
mLauncher.getWorkspace().getPageAreaRelativeToDragLayer(sTempRect);
|
|
int left = Math.min(Math.max(sTempRect.left, centeredLeft),
|
|
sTempRect.right- width);
|
|
int top = Math.min(Math.max(sTempRect.top, centeredTop),
|
|
sTempRect.bottom - height);
|
|
|
|
int distFromEdgeOfScreen = mLauncher.getWorkspace().getPaddingLeft() + getPaddingLeft();
|
|
|
|
if (grid.isPhone && (grid.availableWidthPx - width) < 4 * distFromEdgeOfScreen) {
|
|
// Center the folder if it is very close to being centered anyway, by virtue of
|
|
// filling the majority of the viewport. ie. remove it from the uncanny valley
|
|
// of centeredness.
|
|
left = (grid.availableWidthPx - width) / 2;
|
|
} else if (width >= sTempRect.width()) {
|
|
// If the folder doesn't fit within the bounds, center it about the desired bounds
|
|
left = sTempRect.left + (sTempRect.width() - width) / 2;
|
|
}
|
|
if (height >= sTempRect.height()) {
|
|
// Folder height is greater than page height, center on page
|
|
top = sTempRect.top + (sTempRect.height() - height) / 2;
|
|
} else {
|
|
// Folder height is less than page height, so bound it to the absolute open folder
|
|
// bounds if necessary
|
|
Rect folderBounds = grid.getAbsoluteOpenFolderBounds();
|
|
left = Math.max(folderBounds.left, Math.min(left, folderBounds.right - width));
|
|
top = Math.max(folderBounds.top, Math.min(top, folderBounds.bottom - height));
|
|
}
|
|
|
|
int folderPivotX = width / 2 + (centeredLeft - left);
|
|
int folderPivotY = height / 2 + (centeredTop - top);
|
|
setPivotX(folderPivotX);
|
|
setPivotY(folderPivotY);
|
|
|
|
mFolderIconPivotX = (int) (mFolderIcon.getMeasuredWidth() *
|
|
(1.0f * folderPivotX / width));
|
|
mFolderIconPivotY = (int) (mFolderIcon.getMeasuredHeight() *
|
|
(1.0f * folderPivotY / height));
|
|
|
|
lp.width = width;
|
|
lp.height = height;
|
|
lp.x = left;
|
|
lp.y = top;
|
|
}
|
|
|
|
public float getPivotXForIconAnimation() {
|
|
return mFolderIconPivotX;
|
|
}
|
|
public float getPivotYForIconAnimation() {
|
|
return mFolderIconPivotY;
|
|
}
|
|
|
|
private int getContentAreaHeight() {
|
|
DeviceProfile grid = mLauncher.getDeviceProfile();
|
|
int maxContentAreaHeight = grid.availableHeightPx
|
|
- grid.getTotalWorkspacePadding().y - mFooterHeight;
|
|
int height = Math.min(maxContentAreaHeight,
|
|
mContent.getDesiredHeight());
|
|
return Math.max(height, MIN_CONTENT_DIMEN);
|
|
}
|
|
|
|
private int getContentAreaWidth() {
|
|
return Math.max(mContent.getDesiredWidth(), MIN_CONTENT_DIMEN);
|
|
}
|
|
|
|
private int getFolderWidth() {
|
|
return getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
|
|
}
|
|
|
|
private int getFolderHeight() {
|
|
return getFolderHeight(getContentAreaHeight());
|
|
}
|
|
|
|
private int getFolderHeight(int contentAreaHeight) {
|
|
return getPaddingTop() + getPaddingBottom() + contentAreaHeight + mFooterHeight;
|
|
}
|
|
|
|
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
|
|
int contentWidth = getContentAreaWidth();
|
|
int contentHeight = getContentAreaHeight();
|
|
|
|
int contentAreaWidthSpec = MeasureSpec.makeMeasureSpec(contentWidth, MeasureSpec.EXACTLY);
|
|
int contentAreaHeightSpec = MeasureSpec.makeMeasureSpec(contentHeight, MeasureSpec.EXACTLY);
|
|
|
|
mContent.setFixedSize(contentWidth, contentHeight);
|
|
mContent.measure(contentAreaWidthSpec, contentAreaHeightSpec);
|
|
|
|
if (mContent.getChildCount() > 0) {
|
|
int cellIconGap = (mContent.getPageAt(0).getCellWidth()
|
|
- mLauncher.getDeviceProfile().iconSizePx) / 2;
|
|
mFooter.setPadding(mContent.getPaddingLeft() + cellIconGap,
|
|
mFooter.getPaddingTop(),
|
|
mContent.getPaddingRight() + cellIconGap,
|
|
mFooter.getPaddingBottom());
|
|
}
|
|
mFooter.measure(contentAreaWidthSpec,
|
|
MeasureSpec.makeMeasureSpec(mFooterHeight, MeasureSpec.EXACTLY));
|
|
|
|
int folderWidth = getPaddingLeft() + getPaddingRight() + contentWidth;
|
|
int folderHeight = getFolderHeight(contentHeight);
|
|
setMeasuredDimension(folderWidth, folderHeight);
|
|
}
|
|
|
|
/**
|
|
* Rearranges the children based on their rank.
|
|
*/
|
|
public void rearrangeChildren() {
|
|
rearrangeChildren(-1);
|
|
}
|
|
|
|
/**
|
|
* Rearranges the children based on their rank.
|
|
* @param itemCount if greater than the total children count, empty spaces are left at the end,
|
|
* otherwise it is ignored.
|
|
*/
|
|
public void rearrangeChildren(int itemCount) {
|
|
ArrayList<View> views = getItemsInReadingOrder();
|
|
mContent.arrangeChildren(views, Math.max(itemCount, views.size()));
|
|
mItemsInvalidated = true;
|
|
}
|
|
|
|
public int getItemCount() {
|
|
return mContent.getItemCount();
|
|
}
|
|
|
|
@Thunk void replaceFolderWithFinalItem() {
|
|
// Add the last remaining child to the workspace in place of the folder
|
|
Runnable onCompleteRunnable = new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
int itemCount = mInfo.contents.size();
|
|
if (itemCount <= 1) {
|
|
View newIcon = null;
|
|
|
|
if (itemCount == 1) {
|
|
// Move the item from the folder to the workspace, in the position of the
|
|
// folder
|
|
CellLayout cellLayout = mLauncher.getCellLayout(mInfo.container,
|
|
mInfo.screenId);
|
|
ShortcutInfo finalItem = mInfo.contents.remove(0);
|
|
newIcon = mLauncher.createShortcut(cellLayout, finalItem);
|
|
mLauncher.getModelWriter().addOrMoveItemInDatabase(finalItem,
|
|
mInfo.container, mInfo.screenId, mInfo.cellX, mInfo.cellY);
|
|
}
|
|
|
|
// Remove the folder
|
|
mLauncher.removeItem(mFolderIcon, mInfo, true /* deleteFromDb */);
|
|
if (mFolderIcon instanceof DropTarget) {
|
|
mDragController.removeDropTarget((DropTarget) mFolderIcon);
|
|
}
|
|
|
|
if (newIcon != null) {
|
|
// We add the child after removing the folder to prevent both from existing
|
|
// at the same time in the CellLayout. We need to add the new item with
|
|
// addInScreenFromBind() to ensure that hotseat items are placed correctly.
|
|
mLauncher.getWorkspace().addInScreenFromBind(newIcon, mInfo);
|
|
|
|
// Focus the newly created child
|
|
newIcon.requestFocus();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
View finalChild = mContent.getLastItem();
|
|
if (finalChild != null) {
|
|
mFolderIcon.performDestroyAnimation(finalChild, onCompleteRunnable);
|
|
} else {
|
|
onCompleteRunnable.run();
|
|
}
|
|
mDestroyed = true;
|
|
}
|
|
|
|
public boolean isDestroyed() {
|
|
return mDestroyed;
|
|
}
|
|
|
|
// This method keeps track of the first and last item in the folder for the purposes
|
|
// of keyboard focus
|
|
public void updateTextViewFocus() {
|
|
final View firstChild = mContent.getFirstItem();
|
|
final View lastChild = mContent.getLastItem();
|
|
if (firstChild != null && lastChild != null) {
|
|
mFolderName.setNextFocusDownId(lastChild.getId());
|
|
mFolderName.setNextFocusRightId(lastChild.getId());
|
|
mFolderName.setNextFocusLeftId(lastChild.getId());
|
|
mFolderName.setNextFocusUpId(lastChild.getId());
|
|
// Hitting TAB from the folder name wraps around to the first item on the current
|
|
// folder page, and hitting SHIFT+TAB from that item wraps back to the folder name.
|
|
mFolderName.setNextFocusForwardId(firstChild.getId());
|
|
// When clicking off the folder when editing the name, this Folder gains focus. When
|
|
// pressing an arrow key from that state, give the focus to the first item.
|
|
this.setNextFocusDownId(firstChild.getId());
|
|
this.setNextFocusRightId(firstChild.getId());
|
|
this.setNextFocusLeftId(firstChild.getId());
|
|
this.setNextFocusUpId(firstChild.getId());
|
|
// When pressing shift+tab in the above state, give the focus to the last item.
|
|
setOnKeyListener(new OnKeyListener() {
|
|
@Override
|
|
public boolean onKey(View v, int keyCode, KeyEvent event) {
|
|
boolean isShiftPlusTab = keyCode == KeyEvent.KEYCODE_TAB &&
|
|
event.hasModifiers(KeyEvent.META_SHIFT_ON);
|
|
if (isShiftPlusTab && Folder.this.isFocused()) {
|
|
return lastChild.requestFocus();
|
|
}
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
public void onDrop(DragObject d) {
|
|
Runnable cleanUpRunnable = null;
|
|
|
|
// If we are coming from All Apps space, we defer removing the extra empty screen
|
|
// until the folder closes
|
|
if (d.dragSource != mLauncher.getWorkspace() && !(d.dragSource instanceof Folder)) {
|
|
cleanUpRunnable = new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
mLauncher.exitSpringLoadedDragModeDelayed(true,
|
|
Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT,
|
|
null);
|
|
}
|
|
};
|
|
}
|
|
|
|
// If the icon was dropped while the page was being scrolled, we need to compute
|
|
// the target location again such that the icon is placed of the final page.
|
|
if (!mContent.rankOnCurrentPage(mEmptyCellRank)) {
|
|
// Reorder again.
|
|
mTargetRank = getTargetRank(d, null);
|
|
|
|
// Rearrange items immediately.
|
|
mReorderAlarmListener.onAlarm(mReorderAlarm);
|
|
|
|
mOnScrollHintAlarm.cancelAlarm();
|
|
mScrollPauseAlarm.cancelAlarm();
|
|
}
|
|
mContent.completePendingPageChanges();
|
|
|
|
View currentDragView;
|
|
final ShortcutInfo si;
|
|
if (d.dragInfo instanceof AppInfo) {
|
|
// Came from all apps -- make a copy.
|
|
si = ((AppInfo) d.dragInfo).makeShortcut();
|
|
} else {
|
|
// ShortcutInfo
|
|
si = (ShortcutInfo) d.dragInfo;
|
|
}
|
|
if (mIsExternalDrag) {
|
|
currentDragView = mContent.createAndAddViewForRank(si, mEmptyCellRank);
|
|
// Actually move the item in the database if it was an external drag. Call this
|
|
// before creating the view, so that ShortcutInfo is updated appropriately.
|
|
mLauncher.getModelWriter().addOrMoveItemInDatabase(
|
|
si, mInfo.id, 0, si.cellX, si.cellY);
|
|
|
|
// We only need to update the locations if it doesn't get handled in #onDropCompleted.
|
|
if (d.dragSource != this) {
|
|
updateItemLocationsInDatabaseBatch();
|
|
}
|
|
mIsExternalDrag = false;
|
|
} else {
|
|
currentDragView = mCurrentDragView;
|
|
mContent.addViewForRank(currentDragView, si, mEmptyCellRank);
|
|
}
|
|
|
|
if (d.dragView.hasDrawn()) {
|
|
|
|
// Temporarily reset the scale such that the animation target gets calculated correctly.
|
|
float scaleX = getScaleX();
|
|
float scaleY = getScaleY();
|
|
setScaleX(1.0f);
|
|
setScaleY(1.0f);
|
|
mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, currentDragView,
|
|
cleanUpRunnable, null);
|
|
setScaleX(scaleX);
|
|
setScaleY(scaleY);
|
|
} else {
|
|
d.deferDragViewCleanupPostAnimation = false;
|
|
currentDragView.setVisibility(VISIBLE);
|
|
}
|
|
mItemsInvalidated = true;
|
|
rearrangeChildren();
|
|
|
|
// Temporarily suppress the listener, as we did all the work already here.
|
|
try (SuppressInfoChanges s = new SuppressInfoChanges()) {
|
|
mInfo.add(si, false);
|
|
}
|
|
|
|
// Clear the drag info, as it is no longer being dragged.
|
|
mDragInProgress = false;
|
|
|
|
if (mContent.getPageCount() > 1) {
|
|
// The animation has already been shown while opening the folder.
|
|
mInfo.setOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION, true, mLauncher.getModelWriter());
|
|
}
|
|
|
|
if (d.stateAnnouncer != null) {
|
|
d.stateAnnouncer.completeAction(R.string.item_moved);
|
|
}
|
|
}
|
|
|
|
// This is used so the item doesn't immediately appear in the folder when added. In one case
|
|
// we need to create the illusion that the item isn't added back to the folder yet, to
|
|
// to correspond to the animation of the icon back into the folder. This is
|
|
public void hideItem(ShortcutInfo info) {
|
|
View v = getViewForInfo(info);
|
|
v.setVisibility(INVISIBLE);
|
|
}
|
|
public void showItem(ShortcutInfo info) {
|
|
View v = getViewForInfo(info);
|
|
v.setVisibility(VISIBLE);
|
|
}
|
|
|
|
@Override
|
|
public void onAdd(ShortcutInfo item) {
|
|
mContent.createAndAddViewForRank(item, mContent.allocateRankForNewItem());
|
|
mItemsInvalidated = true;
|
|
mLauncher.getModelWriter().addOrMoveItemInDatabase(
|
|
item, mInfo.id, 0, item.cellX, item.cellY);
|
|
}
|
|
|
|
public void onRemove(ShortcutInfo item) {
|
|
mItemsInvalidated = true;
|
|
View v = getViewForInfo(item);
|
|
mContent.removeItem(v);
|
|
if (mState == STATE_ANIMATING) {
|
|
mRearrangeOnClose = true;
|
|
} else {
|
|
rearrangeChildren();
|
|
}
|
|
if (getItemCount() <= 1) {
|
|
if (mIsOpen) {
|
|
close(true);
|
|
} else {
|
|
replaceFolderWithFinalItem();
|
|
}
|
|
}
|
|
}
|
|
|
|
private View getViewForInfo(final ShortcutInfo item) {
|
|
return mContent.iterateOverItems(new ItemOperator() {
|
|
|
|
@Override
|
|
public boolean evaluate(ItemInfo info, View view) {
|
|
return info == item;
|
|
}
|
|
});
|
|
}
|
|
|
|
@Override
|
|
public void onItemsChanged(boolean animate) {
|
|
updateTextViewFocus();
|
|
}
|
|
|
|
@Override
|
|
public void prepareAutoUpdate() {
|
|
close(false);
|
|
}
|
|
|
|
public void onTitleChanged(CharSequence title) {
|
|
}
|
|
|
|
public ArrayList<View> getItemsInReadingOrder() {
|
|
if (mItemsInvalidated) {
|
|
mItemsInReadingOrder.clear();
|
|
mContent.iterateOverItems(new ItemOperator() {
|
|
|
|
@Override
|
|
public boolean evaluate(ItemInfo info, View view) {
|
|
mItemsInReadingOrder.add(view);
|
|
return false;
|
|
}
|
|
});
|
|
mItemsInvalidated = false;
|
|
}
|
|
return mItemsInReadingOrder;
|
|
}
|
|
|
|
public void onFocusChange(View v, boolean hasFocus) {
|
|
if (v == mFolderName) {
|
|
if (hasFocus) {
|
|
startEditingFolderName();
|
|
} else {
|
|
mFolderName.dispatchBackKey();
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void getHitRectRelativeToDragLayer(Rect outRect) {
|
|
getHitRect(outRect);
|
|
outRect.left -= mScrollAreaOffset;
|
|
outRect.right += mScrollAreaOffset;
|
|
}
|
|
|
|
@Override
|
|
public void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent) {
|
|
target.gridX = info.cellX;
|
|
target.gridY = info.cellY;
|
|
target.pageIndex = mContent.getCurrentPage();
|
|
targetParent.containerType = ContainerType.FOLDER;
|
|
}
|
|
|
|
private class OnScrollHintListener implements OnAlarmListener {
|
|
|
|
private final DragObject mDragObject;
|
|
|
|
OnScrollHintListener(DragObject object) {
|
|
mDragObject = object;
|
|
}
|
|
|
|
/**
|
|
* Scroll hint has been shown long enough. Now scroll to appropriate page.
|
|
*/
|
|
@Override
|
|
public void onAlarm(Alarm alarm) {
|
|
if (mCurrentScrollDir == SCROLL_LEFT) {
|
|
mContent.scrollLeft();
|
|
mScrollHintDir = SCROLL_NONE;
|
|
} else if (mCurrentScrollDir == SCROLL_RIGHT) {
|
|
mContent.scrollRight();
|
|
mScrollHintDir = SCROLL_NONE;
|
|
} else {
|
|
// This should not happen
|
|
return;
|
|
}
|
|
mCurrentScrollDir = SCROLL_NONE;
|
|
|
|
// Pause drag event until the scrolling is finished
|
|
mScrollPauseAlarm.setOnAlarmListener(new OnScrollFinishedListener(mDragObject));
|
|
mScrollPauseAlarm.setAlarm(RESCROLL_DELAY);
|
|
}
|
|
}
|
|
|
|
private class OnScrollFinishedListener implements OnAlarmListener {
|
|
|
|
private final DragObject mDragObject;
|
|
|
|
OnScrollFinishedListener(DragObject object) {
|
|
mDragObject = object;
|
|
}
|
|
|
|
/**
|
|
* Page scroll is complete.
|
|
*/
|
|
@Override
|
|
public void onAlarm(Alarm alarm) {
|
|
// Reorder immediately on page change.
|
|
onDragOver(mDragObject, 1);
|
|
}
|
|
}
|
|
|
|
// Compares item position based on rank and position giving priority to the rank.
|
|
public static final Comparator<ItemInfo> ITEM_POS_COMPARATOR = new Comparator<ItemInfo>() {
|
|
|
|
@Override
|
|
public int compare(ItemInfo lhs, ItemInfo rhs) {
|
|
if (lhs.rank != rhs.rank) {
|
|
return lhs.rank - rhs.rank;
|
|
} else if (lhs.cellY != rhs.cellY) {
|
|
return lhs.cellY - rhs.cellY;
|
|
} else {
|
|
return lhs.cellX - rhs.cellX;
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Temporary resource held while we don't want to handle info changes
|
|
*/
|
|
private class SuppressInfoChanges implements AutoCloseable {
|
|
|
|
SuppressInfoChanges() {
|
|
mInfo.removeListener(Folder.this);
|
|
}
|
|
|
|
@Override
|
|
public void close() {
|
|
mInfo.addListener(Folder.this);
|
|
updateTextViewFocus();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a folder which is already open or null
|
|
*/
|
|
public static Folder getOpen(Launcher launcher) {
|
|
return getOpenView(launcher, TYPE_FOLDER);
|
|
}
|
|
|
|
@Override
|
|
public int getLogContainerType() {
|
|
return ContainerType.FOLDER;
|
|
}
|
|
}
|