/*
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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 static com.android.launcher3.LauncherAnimUtils.SPRING_LOADED_EXIT_DELAY;
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import static com.android.launcher3.LauncherState.NORMAL;
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import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
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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.annotation.SuppressLint;
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import android.appwidget.AppWidgetHostView;
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import android.content.Context;
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import android.content.res.Resources;
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import android.graphics.Canvas;
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import android.graphics.Path;
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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.util.Pair;
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import android.view.FocusFinder;
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import android.view.KeyEvent;
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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.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.BubbleTextView;
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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.LauncherSettings;
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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.ShortcutAndWidgetContainer;
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import com.android.launcher3.Workspace;
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import com.android.launcher3.Workspace.ItemOperator;
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import com.android.launcher3.WorkspaceItemInfo;
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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.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.logging.LoggerUtils;
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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.Thunk;
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import com.android.launcher3.views.ClipPathView;
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import com.android.launcher3.widget.PendingAddShortcutInfo;
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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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import java.util.List;
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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 ClipPathView, DragSource,
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View.OnLongClickListener, DropTarget, FolderListener, TextView.OnEditorActionListener,
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View.OnFocusChangeListener, DragListener, 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 final int MIN_FOLDERS_FOR_HARDWARE_OPTIMIZATION = 10;
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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 AnimatorSet mCurrentAnimator;
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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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private Path mClipPath;
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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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// 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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setLocaleDependentFields(getResources(), false /* force */);
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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 = findViewById(R.id.folder_content);
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mContent.setFolder(this);
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mPageIndicator = findViewById(R.id.folder_page_indicator);
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mFolderName = findViewById(R.id.folder_name);
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mFolderName.setOnBackKeyListener(this);
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mFolderName.setOnFocusChangeListener(this);
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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 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 WorkspaceItemInfo) {
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WorkspaceItemInfo item = (WorkspaceItemInfo) tag;
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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 WorkspaceItemInfo) {
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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((WorkspaceItemInfo) 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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mDragInProgress = false;
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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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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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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<WorkspaceItemInfo> children = info.contents;
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Collections.sort(children, ITEM_POS_COMPARATOR);
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mContent.bindItems(children);
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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()
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.inflate(R.layout.user_folder_icon_normalized, null);
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}
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private void startAnimation(final AnimatorSet a) {
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if (mCurrentAnimator != null && mCurrentAnimator.isRunning()) {
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mCurrentAnimator.cancel();
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}
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final Workspace workspace = mLauncher.getWorkspace();
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final CellLayout currentCellLayout =
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(CellLayout) workspace.getChildAt(workspace.getCurrentPage());
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final boolean useHardware = shouldUseHardwareLayerForAnimation(currentCellLayout);
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final boolean wasHardwareAccelerated = currentCellLayout.isHardwareLayerEnabled();
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a.addListener(new AnimatorListenerAdapter() {
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@Override
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public void onAnimationStart(Animator animation) {
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if (useHardware) {
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currentCellLayout.enableHardwareLayer(true);
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}
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mState = STATE_ANIMATING;
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mCurrentAnimator = a;
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}
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@Override
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public void onAnimationEnd(Animator animation) {
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if (useHardware) {
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currentCellLayout.enableHardwareLayer(wasHardwareAccelerated);
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}
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mCurrentAnimator = null;
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}
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});
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a.start();
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}
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private boolean shouldUseHardwareLayerForAnimation(CellLayout currentCellLayout) {
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int folderCount = 0;
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final ShortcutAndWidgetContainer container = currentCellLayout.getShortcutsAndWidgets();
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for (int i = container.getChildCount() - 1; i >= 0; --i) {
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final View child = container.getChildAt(i);
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if (child instanceof AppWidgetHostView) return false;
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if (child instanceof FolderIcon) ++folderCount;
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}
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return folderCount >= MIN_FOLDERS_FOR_HARDWARE_OPTIMIZATION;
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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
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* is animated relative to the specified View. If the View is null, no animation
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* is played.
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*/
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public void animateOpen() {
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Folder openFolder = getOpen(mLauncher);
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if (openFolder != null && openFolder != this) {
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// Close any open folder before opening a folder.
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openFolder.close(true);
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}
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mIsOpen = true;
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DragLayer dragLayer = mLauncher.getDragLayer();
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// Just verify that the folder hasn't already been added to the DragLayer.
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// There was a one-off crash where the folder had a parent already.
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if (getParent() == null) {
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dragLayer.addView(this);
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mDragController.addDropTarget(this);
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} else {
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if (FeatureFlags.IS_DOGFOOD_BUILD) {
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Log.e(TAG, "Opening folder (" + this + ") which already has a parent:"
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+ getParent());
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}
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}
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mContent.completePendingPageChanges();
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if (!mDragInProgress) {
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// Open on the first page.
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mContent.snapToPageImmediately(0);
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}
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// This is set to true in close(), but isn't reset to false until onDropCompleted(). This
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// leads to an inconsistent state if you drag out of the folder and drag back in without
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// dropping. One resulting issue is that replaceFolderWithFinalItem() can be called twice.
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mDeleteFolderOnDropCompleted = false;
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centerAboutIcon();
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AnimatorSet anim = new FolderAnimationManager(this, true /* isOpening */).getAnimator();
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anim.addListener(new AnimatorListenerAdapter() {
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@Override
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public void onAnimationStart(Animator animation) {
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mFolderIcon.setBackgroundVisible(false);
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mFolderIcon.drawLeaveBehindIfExists();
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}
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@Override
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public void onAnimationEnd(Animator animation) {
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mState = STATE_OPEN;
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announceAccessibilityChanges();
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mLauncher.getUserEventDispatcher().resetElapsedContainerMillis("folder opened");
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mContent.setFocusOnFirstChild();
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}
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});
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// Footer animation
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if (mContent.getPageCount() > 1 && !mInfo.hasOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION)) {
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int footerWidth = mContent.getDesiredWidth()
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- mFooter.getPaddingLeft() - mFooter.getPaddingRight();
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float textWidth = mFolderName.getPaint().measureText(mFolderName.getText().toString());
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float translation = (footerWidth - textWidth) / 2;
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mFolderName.setTranslationX(mContent.mIsRtl ? -translation : translation);
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mPageIndicator.prepareEntryAnimation();
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// Do not update the flag if we are in drag mode. The flag will be updated, when we
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// actually drop the icon.
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final boolean updateAnimationFlag = !mDragInProgress;
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anim.addListener(new AnimatorListenerAdapter() {
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@SuppressLint("InlinedApi")
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@Override
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public void onAnimationEnd(Animator animation) {
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mFolderName.animate().setDuration(FOLDER_NAME_ANIMATION_DURATION)
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.translationX(0)
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.setInterpolator(AnimationUtils.loadInterpolator(
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mLauncher, android.R.interpolator.fast_out_slow_in));
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mPageIndicator.playEntryAnimation();
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if (updateAnimationFlag) {
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mInfo.setOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION, true,
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mLauncher.getModelWriter());
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}
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}
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});
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} else {
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mFolderName.setTranslationX(0);
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}
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mPageIndicator.stopAllAnimations();
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startAnimation(anim);
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// Make sure the folder picks up the last drag move even if the finger doesn't move.
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if (mDragController.isDragging()) {
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mDragController.forceTouchMove();
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}
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mContent.verifyVisibleHighResIcons(mContent.getNextPage());
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}
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public void beginExternalDrag() {
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mEmptyCellRank = mContent.allocateRankForNewItem();
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mIsExternalDrag = true;
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mDragInProgress = true;
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// Since this folder opened by another controller, it might not get onDrop or
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// onDropComplete. Perform cleanup once drag-n-drop ends.
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mDragController.addDragListener(this);
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}
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@Override
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protected boolean isOfType(int type) {
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return (type & TYPE_FOLDER) != 0;
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}
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@Override
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protected void handleClose(boolean animate) {
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mIsOpen = false;
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if (!animate && mCurrentAnimator != null && mCurrentAnimator.isRunning()) {
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mCurrentAnimator.cancel();
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}
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if (isEditingName()) {
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mFolderName.dispatchBackKey();
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}
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if (mFolderIcon != null) {
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mFolderIcon.clearLeaveBehindIfExists();
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}
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if (animate) {
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animateClosed();
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} else {
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closeComplete(false);
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post(this::announceAccessibilityChanges);
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}
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// Notify the accessibility manager that this folder "window" has disappeared and no
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// longer occludes the workspace items
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mLauncher.getDragLayer().sendAccessibilityEvent(
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AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
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}
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private void animateClosed() {
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AnimatorSet a = new FolderAnimationManager(this, false /* isOpening */).getAnimator();
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a.addListener(new AnimatorListenerAdapter() {
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@Override
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public void onAnimationEnd(Animator animation) {
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closeComplete(true);
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announceAccessibilityChanges();
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}
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});
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startAnimation(a);
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}
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@Override
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protected Pair<View, String> getAccessibilityTarget() {
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return Pair.create(mContent, mIsOpen ? mContent.getAccessibilityDescription()
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: getContext().getString(R.string.folder_closed));
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}
|
|
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 (mFolderIcon != null) {
|
mFolderIcon.setVisibility(View.VISIBLE);
|
mFolderIcon.setBackgroundVisible(true);
|
mFolderIcon.mFolderName.setTextVisibility(true);
|
if (wasAnimated) {
|
mFolderIcon.animateBgShadowAndStroke();
|
mFolderIcon.onFolderClose(mContent.getCurrentPage());
|
if (mFolderIcon.hasDot()) {
|
mFolderIcon.animateDotScale(0f, 1f);
|
}
|
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;
|
mContent.setCurrentPage(0);
|
}
|
|
@Override
|
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));
|
}
|
|
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);
|
}
|
|
private int getTargetRank(DragObject d, float[] recycle) {
|
recycle = d.getVisualCenter(recycle);
|
return mContent.findNearestArea(
|
(int) recycle[0] - getPaddingLeft(), (int) recycle[1] - getPaddingTop());
|
}
|
|
@Override
|
public void onDragOver(DragObject d) {
|
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 success) {
|
|
if (success) {
|
if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon && target != this) {
|
replaceFolderWithFinalItem();
|
}
|
} else {
|
// The drag failed, we need to return the item to the folder
|
WorkspaceItemInfo info = (WorkspaceItemInfo) 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, true /* itemReturnedOnFailedDrop */);
|
}
|
}
|
|
if (target != this) {
|
if (mOnExitAlarm.alarmPending()) {
|
mOnExitAlarm.cancelAlarm();
|
if (!success) {
|
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());
|
}
|
}
|
|
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 mState != STATE_ANIMATING;
|
}
|
|
private void centerAboutIcon() {
|
DeviceProfile grid = mLauncher.getDeviceProfile();
|
|
DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
|
DragLayer parent = mLauncher.getDragLayer();
|
int width = getFolderWidth();
|
int height = getFolderHeight();
|
|
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
|
if (mLauncher.getStateManager().getState().overviewUi) {
|
parent.getDescendantRectRelativeToSelf(mLauncher.getOverviewPanel(), sTempRect);
|
} else {
|
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);
|
WorkspaceItemInfo 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(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, DragOptions options) {
|
// 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();
|
|
PendingAddShortcutInfo pasi = d.dragInfo instanceof PendingAddShortcutInfo
|
? (PendingAddShortcutInfo) d.dragInfo : null;
|
WorkspaceItemInfo pasiSi = pasi != null ? pasi.activityInfo.createWorkspaceItemInfo() : null;
|
if (pasi != null && pasiSi == null) {
|
// There is no WorkspaceItemInfo, so we have to go through a configuration activity.
|
pasi.container = mInfo.id;
|
pasi.rank = mEmptyCellRank;
|
|
mLauncher.addPendingItem(pasi, pasi.container, pasi.screenId, null, pasi.spanX,
|
pasi.spanY);
|
d.deferDragViewCleanupPostAnimation = false;
|
mRearrangeOnClose = true;
|
} else {
|
final WorkspaceItemInfo si;
|
if (pasiSi != null) {
|
si = pasiSi;
|
} else if (d.dragInfo instanceof AppInfo) {
|
// Came from all apps -- make a copy.
|
si = ((AppInfo) d.dragInfo).makeWorkspaceItem();
|
} else {
|
// WorkspaceItemInfo
|
si = (WorkspaceItemInfo) d.dragInfo;
|
}
|
|
View currentDragView;
|
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 WorkspaceItemInfo 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, 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());
|
}
|
|
mLauncher.getStateManager().goToState(NORMAL, SPRING_LOADED_EXIT_DELAY);
|
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(WorkspaceItemInfo info) {
|
View v = getViewForInfo(info);
|
v.setVisibility(INVISIBLE);
|
}
|
public void showItem(WorkspaceItemInfo info) {
|
View v = getViewForInfo(info);
|
v.setVisibility(VISIBLE);
|
}
|
|
@Override
|
public void onAdd(WorkspaceItemInfo item, int rank) {
|
View view = mContent.createAndAddViewForRank(item, rank);
|
mLauncher.getModelWriter().addOrMoveItemInDatabase(item, mInfo.id, 0, item.cellX,
|
item.cellY);
|
|
ArrayList<View> items = new ArrayList<>(getItemsInReadingOrder());
|
items.add(rank, view);
|
mContent.arrangeChildren(items, items.size());
|
mItemsInvalidated = true;
|
}
|
|
public void onRemove(WorkspaceItemInfo 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 WorkspaceItemInfo 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 List<BubbleTextView> getItemsOnPage(int page) {
|
ArrayList<View> allItems = getItemsInReadingOrder();
|
int lastPage = mContent.getPageCount() - 1;
|
int totalItemsInFolder = allItems.size();
|
int itemsPerPage = mContent.itemsPerPage();
|
int numItemsOnCurrentPage = page == lastPage
|
? totalItemsInFolder - (itemsPerPage * page)
|
: itemsPerPage;
|
|
int startIndex = page * itemsPerPage;
|
int endIndex = Math.min(startIndex + numItemsOnCurrentPage, allItems.size());
|
|
List<BubbleTextView> itemsOnCurrentPage = new ArrayList<>(numItemsOnCurrentPage);
|
for (int i = startIndex; i < endIndex; ++i) {
|
itemsOnCurrentPage.add((BubbleTextView) allItems.get(i));
|
}
|
return itemsOnCurrentPage;
|
}
|
|
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);
|
}
|
}
|
|
// 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 void logActionCommand(int command) {
|
mLauncher.getUserEventDispatcher().logActionCommand(
|
command, getFolderIcon(), getLogContainerType());
|
}
|
|
@Override
|
public int getLogContainerType() {
|
return ContainerType.FOLDER;
|
}
|
|
@Override
|
public boolean onBackPressed() {
|
if (isEditingName()) {
|
mFolderName.dispatchBackKey();
|
} else {
|
super.onBackPressed();
|
}
|
return true;
|
}
|
|
@Override
|
public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
|
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
|
DragLayer dl = mLauncher.getDragLayer();
|
|
if (isEditingName()) {
|
if (!dl.isEventOverView(mFolderName, ev)) {
|
mFolderName.dispatchBackKey();
|
return true;
|
}
|
return false;
|
} else if (!dl.isEventOverView(this, ev)) {
|
if (mLauncher.getAccessibilityDelegate().isInAccessibleDrag()) {
|
// Do not close the container if in drag and drop.
|
if (!dl.isEventOverView(mLauncher.getDropTargetBar(), ev)) {
|
return true;
|
}
|
} else {
|
mLauncher.getUserEventDispatcher().logActionTapOutside(
|
LoggerUtils.newContainerTarget(ContainerType.FOLDER));
|
close(true);
|
return true;
|
}
|
}
|
}
|
return false;
|
}
|
|
public static void setLocaleDependentFields(Resources res, boolean force) {
|
if (sDefaultFolderName == null || force) {
|
sDefaultFolderName = res.getString(R.string.folder_name);
|
}
|
if (sHintText == null || force) {
|
sHintText = res.getString(R.string.folder_hint_text);
|
}
|
}
|
|
/**
|
* Alternative to using {@link #getClipToOutline()} as it only works with derivatives of
|
* rounded rect.
|
*/
|
@Override
|
public void setClipPath(Path clipPath) {
|
mClipPath = clipPath;
|
invalidate();
|
}
|
|
@Override
|
public void draw(Canvas canvas) {
|
if (mClipPath != null) {
|
int count = canvas.save();
|
canvas.clipPath(mClipPath);
|
super.draw(canvas);
|
canvas.restoreToCount(count);
|
} else {
|
super.draw(canvas);
|
}
|
}
|
}
|
