Workspace.java revision 52d9cb32608e7c3d065b4fb8e97269e238f1683e
131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/* 231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * you may not use this file except in compliance with the License. 631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * You may obtain a copy of the License at 731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 1031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 1131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 1231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * See the License for the specific language governing permissions and 1431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * limitations under the License. 1531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17a5902524d4403885eb4c50360bf3465c6be796efJoe Onoratopackage com.android.launcher2; 1831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 198f573952b8729b4319043ae0908997ecd2d68951Dianne Hackbornimport android.app.WallpaperManager; 2031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Intent; 2231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.ComponentName; 2331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.res.TypedArray; 249c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onoratoimport android.content.pm.PackageManager; 2531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Canvas; 2631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.RectF; 2731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 28f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.graphics.drawable.Drawable; 2931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 3031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 3131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.VelocityTracker; 3231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 3331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewConfiguration; 3431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 3531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewParent; 3631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.widget.Scroller; 37f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.widget.TextView; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.os.Parcelable; 3931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.os.Parcel; 4031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport java.util.ArrayList; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The workspace is a wide area with a wallpaper and a finite number of screens. Each 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * screen contains a number of icons, folders or widgets the user can interact with. 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * A workspace is meant to be used with a fixed width only. 4731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 4885a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onoratopublic class Workspace extends ViewGroup implements DropTarget, DragSource, DragScroller { 4931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int INVALID_SCREEN = -1; 5070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 5131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 5231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The velocity at which a fling gesture will cause us to snap to the next screen 5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 5431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int SNAP_VELOCITY = 1000; 5531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 568f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private final WallpaperManager mWallpaperManager; 578f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 5831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mDefaultScreen; 5931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private boolean mFirstLayout = true; 6131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCurrentScreen; 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mNextScreen = INVALID_SCREEN; 6431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Scroller mScroller; 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private VelocityTracker mVelocityTracker; 6631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * CellInfo for the cell that is currently being dragged 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private CellLayout.CellInfo mDragInfo; 7170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 7270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 7370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Target drop area calculated during last acceptDrop call. 7470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 7570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTargetCell = null; 7631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionX; 7831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionY; 7931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_REST = 0; 8131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_SCROLLING = 1; 8231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchState = TOUCH_STATE_REST; 8431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private OnLongClickListener mLongClickListener; 8631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Launcher mLauncher; 8800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DragController mDragController; 8970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 9070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 9170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Cache of vacant cells, used during drag events and invalidated as needed. 9270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 9370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout.CellInfo mVacantCache = null; 9470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 9531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int[] mTempCell = new int[2]; 9670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTempEstimate = new int[2]; 9731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private boolean mAllowLongPress; 9931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchSlop; 101a206daaed1318005d1534cca2e4eeec56144d104Romain Guy private int mMaximumVelocity; 10231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Rect mDrawerBounds = new Rect(); 10431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Rect mClipBounds = new Rect(); 1057376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project int mDrawerContentHeight; 1067376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project int mDrawerContentWidth; 10731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 10931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 11031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 11131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 11231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 11331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 11431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs) { 11531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 11631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 12031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 12131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param defStyle Unused. 12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs, int defStyle) { 12631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 12731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1288f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn mWallpaperManager = WallpaperManager.getInstance(context); 1298f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Workspace, defStyle, 0); 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDefaultScreen = a.getInt(R.styleable.Workspace_defaultScreen, 1); 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project initWorkspace(); 13531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Initializes various states for this workspace. 13931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 14031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void initWorkspace() { 14131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller = new Scroller(getContext()); 14231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = mDefaultScreen; 14331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 145a206daaed1318005d1534cca2e4eeec56144d104Romain Guy final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 146a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mTouchSlop = configuration.getScaledTouchSlop(); 147a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 14831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 14931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 15131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 15231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 15331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 15431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index, params); 15631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child) { 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child); 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index) { 16831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 16931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 17031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index); 17231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 17531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int width, int height) { 17631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 17731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 17831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, width, height); 18031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 18331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, LayoutParams params) { 18431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, params); 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 19131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The open folder on the current screen, or null if there is none 19231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 19331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder getOpenFolder() { 19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(mCurrentScreen); 19531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 19631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 19731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 19831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 19931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 20031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Folder) child; 20131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 20431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 20631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> getOpenFolders() { 20731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screens = getChildCount(); 20831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> folders = new ArrayList<Folder>(screens); 20931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screens; screen++) { 21131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(screen); 21231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 21331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 21431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 21531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 21631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 21731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project folders.add((Folder) child); 21831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 21931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return folders; 22431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean isDefaultScreenShowing() { 22731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen == mDefaultScreen; 22831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 23131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the index of the currently displayed screen. 23231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 23331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The index of the currently displayed screen. 23431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 23531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCurrentScreen() { 23631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen; 23731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2405979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato * Returns how many screens there are. 2415979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato */ 2425979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato int getScreenCount() { 2435979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato return getChildCount(); 2445979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato } 2455979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato 2465979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato /** 24731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 24831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 24931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 25031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 25131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellHSpan Width in cells 25231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 25331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param rect Rectnagle into which to put the results 25431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 25531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF rect) { 25631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ((CellLayout)getChildAt(mCurrentScreen)).cellToRect(cellX, cellY, 25731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan, cellVSpan, rect); 25831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 26131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Sets the current screen. 26231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 26331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param currentScreen 26431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 26531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setCurrentScreen(int currentScreen) { 2664c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 26731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(currentScreen, getChildCount() - 1)); 26831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * getWidth(), 0); 269798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(); 27031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 27131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 27331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 27431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Shows the default screen (defined by the firstScreen attribute in XML.) 27531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 27631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void showDefaultScreen() { 27731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setCurrentScreen(mDefaultScreen); 27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 28031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 28131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 28231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 28331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 28431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 28531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 28631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 28731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 28831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 28931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 29031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY) { 29131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, false); 29231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 29331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 29431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 29531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 29631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 29731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 29831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 29931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 30031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 30131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 30231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 30331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 30431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 30531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY, boolean insert) { 30631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, insert); 30731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 30831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 30931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 31031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 31131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 31331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 31431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 31531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 31631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 31731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 31831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 31931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 32031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) { 32131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, screen, x, y, spanX, spanY, false); 32231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 32331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 32431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 32531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 32631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 32731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 32931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 33031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 33131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 33231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 33331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 33431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 33531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 33631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) { 33731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 33831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount()); 33931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 34031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3414c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 3424c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 34431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 34531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp == null) { 34631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp = new CellLayout.LayoutParams(x, y, spanX, spanY); 34731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 34831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellX = x; 34931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellY = y; 35031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellHSpan = spanX; 35131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellVSpan = spanY; 35231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 35331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, insert ? 0 : -1, lp); 35431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 35531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 35631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 35700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 35800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 35900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 36231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addWidget(View view, Widget widget) { 36331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(view, widget.screen, widget.cellX, widget.cellY, widget.spanX, 36431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project widget.spanY, false); 36531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 36731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addWidget(View view, Widget widget, boolean insert) { 36831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(view, widget.screen, widget.cellX, widget.cellY, widget.spanX, 36931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project widget.spanY, insert); 37031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 37131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 37231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.CellInfo findAllVacantCells(boolean[] occupied) { 37331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 37431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 37570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return group.findAllVacantCells(occupied, null); 37631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 37731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 37831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 37931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3804c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy private void clearVacantCache() { 3814c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache != null) { 3824c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache.clearVacantCells(); 3834c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = null; 3844c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 3854c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 3864c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 38731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 38831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the coordinate of a vacant cell for the current screen. 38931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 39031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean getVacantCell(int[] vacant, int spanX, int spanY) { 39131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 39231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 39331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return group.getVacantCell(vacant, spanX, spanY); 39431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 39831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 39931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 40031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 40131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 40231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 40331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 40431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 40531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 40631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void fitInCurrentScreen(View child, int spanX, int spanY) { 40731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project fitInScreen(child, mCurrentScreen, spanX, spanY); 40831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 40931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 41031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 41131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 41231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 41331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 41431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 41531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 41631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 41731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 41831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 41931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void fitInScreen(View child, int screen, int spanX, int spanY) { 42031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 42131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount()); 42231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 42331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 42431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 42531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean vacant = group.getVacantCell(mTempCell, spanX, spanY); 42631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vacant) { 42731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, 42831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new CellLayout.LayoutParams(mTempCell[0], mTempCell[1], spanX, spanY)); 42931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 43031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 43131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 43231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 43300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 43400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 43500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 43631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 43731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 43831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 43931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 44031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Registers the specified listener on each screen contained in this workspace. 44131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 44231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param l The listener used to respond to long clicks. 44331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 44431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setOnLongClickListener(OnLongClickListener l) { 44631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLongClickListener = l; 44731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 44931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).setOnLongClickListener(l); 45031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4538f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private void updateWallpaperOffset() { 454798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(getChildAt(getChildCount() - 1).getRight() - (mRight - mLeft)); 455798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy } 456798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy 457798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy private void updateWallpaperOffset(int scrollRange) { 45849cdb1b18c12a81cac9817c4800e43d5b507e0c4Dianne Hackborn mWallpaperManager.setWallpaperOffsets(getWindowToken(), mScrollX / (float) scrollRange, 0); 4598f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn } 4608f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 46131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 46231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void computeScroll() { 46331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScroller.computeScrollOffset()) { 46431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX = mScroller.getCurrX(); 46531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollY = mScroller.getCurrY(); 4668f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 46731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project postInvalidate(); 46831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (mNextScreen != INVALID_SCREEN) { 46931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(mNextScreen, getChildCount() - 1)); 47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 47131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = INVALID_SCREEN; 47231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 47331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 47631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 47731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 4787376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project boolean restore = false; 479e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int restoreCount = 0; 480e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 481e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato // For the fade. If view gets setAlpha(), use that instead. 48285a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato float scale = mScale; 48385a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato if (scale < 0.999f) { 484e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int sx = mScrollX; 48585a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato 48685a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato int alpha = (scale < 0.5f) ? (int)(255 * 2 * scale) : 255; 48785a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato 488e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato restoreCount = canvas.saveLayerAlpha(sx, 0, sx+getWidth(), getHeight(), alpha, 489e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG); 490e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato restore = true; 49185a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato 49285a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato if (scale < 0.999f) { 49385a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato int w = getWidth(); 49485a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato w += 2 * mCurrentScreen * w; 495d40eec360f86d8f3d7f9229dbfdc1e54628bfa8aJoe Onorato int dx = w/2; 49685a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato int h = getHeight(); 497d40eec360f86d8f3d7f9229dbfdc1e54628bfa8aJoe Onorato int dy = (h/2) - (h/4); 498d40eec360f86d8f3d7f9229dbfdc1e54628bfa8aJoe Onorato canvas.translate(dx, dy); 49985a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato canvas.scale(scale, scale); 500d40eec360f86d8f3d7f9229dbfdc1e54628bfa8aJoe Onorato canvas.translate(-dx, -dy); 50185a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato } 502e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 5037376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 50431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // ViewGroup.dispatchDraw() supports many features we don't need: 50531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // clip to padding, layout animation, animation listener, disappearing 50631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // children, etc. The following implementation attempts to fast-track 50731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // the drawing dispatch by drawing only what we know needs to be drawn. 50831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50985a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato boolean fastDraw = mTouchState != TOUCH_STATE_SCROLLING && mNextScreen == INVALID_SCREEN 51085a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato && scale > 0.999f; 51131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are not scrolling or flinging, draw only the current screen 51231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (fastDraw) { 51331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), getDrawingTime()); 51431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 51531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final long drawingTime = getDrawingTime(); 51631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are flinging, draw only the current screen and the target screen 51731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen >= 0 && mNextScreen < getChildCount() && 51831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Math.abs(mCurrentScreen - mNextScreen) == 1) { 51931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), drawingTime); 52031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mNextScreen), drawingTime); 52131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 52231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are scrolling, draw all of our children 52331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 52431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 52531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(i), drawingTime); 52631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 5297376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 5307376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project if (restore) { 531e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato canvas.restoreToCount(restoreCount); 5327376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project } 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 53585a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato private float mScale = 1.0f; 53685a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato public void setScale(float scale) { 53785a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato mScale = scale; 53885a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato invalidate(); 53985a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato } 54085a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato 54100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato protected void onAttachedToWindow() { 54200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato super.onAttachedToWindow(); 54300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.setWindowToken(getWindowToken()); 54400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 54500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 54731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 54831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onMeasure(widthMeasureSpec, heightMeasureSpec); 54931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 55031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int width = MeasureSpec.getSize(widthMeasureSpec); 55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthMode = MeasureSpec.getMode(widthMeasureSpec); 55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthMode != MeasureSpec.EXACTLY) { 55331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 55631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightMode = MeasureSpec.getMode(heightMeasureSpec); 55731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (heightMode != MeasureSpec.EXACTLY) { 55831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // The children are given the same width and height as the workspace 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 56331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 56431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec); 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mFirstLayout) { 56831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * width, 0); 569798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(width * (getChildCount() - 1)); 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mFirstLayout = false; 57131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 57431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 57631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = 0; 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 57831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 57931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 58031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View child = getChildAt(i); 58131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != View.GONE) { 58231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int childWidth = child.getMeasuredWidth(); 58331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, 0, childLeft + childWidth, child.getMeasuredHeight()); 58431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childLeft += childWidth; 58531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 59031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 59131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen = indexOfChild(child); 59231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen != mCurrentScreen || !mScroller.isFinished()) { 59331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mLauncher.isWorkspaceLocked()) { 59431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(screen); 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 59731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 60231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { 60331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mLauncher.isDrawerDown()) { 60431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 60531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder != null) { 60631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return openFolder.requestFocus(direction, previouslyFocusedRect); 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int focusableScreen; 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen != INVALID_SCREEN) { 61031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mNextScreen; 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mCurrentScreen; 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(focusableScreen).requestFocus(direction, previouslyFocusedRect); 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() > 0) { 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() - 1); 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT) { 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() < getChildCount() - 1) { 62931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() + 1); 63031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 63131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return super.dispatchUnhandledMove(focused, direction); 63431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 63631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 637c2e24c0a37ddeab930f731c062705d435e477f75Romain Guy public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 63831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mLauncher.isDrawerDown()) { 63931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder == null) { 64131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen).addFocusables(views, direction); 64231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen > 0) { 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen - 1).addFocusables(views, direction); 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT){ 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen < getChildCount() - 1) { 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen + 1).addFocusables(views, direction); 64931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project openFolder.addFocusables(views, direction); 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 65731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 6599c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato if (mLauncher.isWorkspaceLocked() || !mLauncher.isDrawerDown()) { 6607c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 66131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 66231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * This method JUST determines whether we want to intercept the motion. 66531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If we return true, onTouchEvent will be called and we do the actual 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * scrolling there. 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 66831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Shortcut the most recurring case: the user is in the dragging 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * state and he is moving his finger. We want to intercept this 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * motion. 67331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) { 67631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 67731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float x = ev.getX(); 68031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float y = ev.getY(); 68131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 68231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (action) { 68331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 68431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 68531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check 68631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * whether the user has moved far enough from his original down touch. 68731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 68831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 68931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 69031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Locally do absolute value. mLastMotionX is set to the y value 69131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * of the down event. 69231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 69331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int xDiff = (int) Math.abs(x - mLastMotionX); 69431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int yDiff = (int) Math.abs(y - mLastMotionY); 69531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 69631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int touchSlop = mTouchSlop; 69731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean xMoved = xDiff > touchSlop; 69831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean yMoved = yDiff > touchSlop; 69931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 70031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved || yMoved) { 70131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved) { 70331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll if the user moved far enough along the X axis 70431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_SCROLLING; 70531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project enableChildrenCache(); 70631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Either way, cancel any pending longpress 70831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mAllowLongPress) { 70931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 71031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Try canceling the long press. It could also have been scheduled 71131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // by a distant descendant, so use the mAllowLongPress flag to block 71231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // everything 71331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View currentScreen = getChildAt(mCurrentScreen); 71431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen.cancelLongPress(); 71531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 71631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 71731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 71831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 72031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember location of down touch 72131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 72231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionY = y; 72331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = true; 72431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 72631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches the screen, initiate drag; 72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * otherwise don't. mScroller.isFinished should be false when 72831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * being flinged. 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 73031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING; 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Release the drag 73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 73731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 73831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The only time we want to intercept motion events is if we are in the 74431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * drag mode. 74531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 74631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mTouchState != TOUCH_STATE_REST; 74731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 74931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void enableChildrenCache() { 75031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 75131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 75231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 75331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(true); 75431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawingCacheEnabled(true); 75531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 75631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 75731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void clearChildrenCache() { 75931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 76031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 76131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(false); 76331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 76531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 76631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 76731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 7685979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato 7699c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato if (mLauncher.isWorkspaceLocked() || !mLauncher.isDrawerDown()) { 7707c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 77131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 77231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 77331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker == null) { 77431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 77531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 77631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.addMovement(ev); 77731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 77831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 77931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float x = ev.getX(); 78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 78131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (action) { 78231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 78331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 78431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches, stop the fling. isFinished 78531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * will be false if being flinged. 78631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 78731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mScroller.isFinished()) { 78831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.abortAnimation(); 78931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 79131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember where the motion event started 79231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 79331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 79431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 79531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 79631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll to follow the motion event 79731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int deltaX = (int) (mLastMotionX - x); 79831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 79931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (deltaX < 0) { 80131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScrollX > 0) { 80231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollBy(Math.max(-mScrollX, deltaX), 0); 8038f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 80431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (deltaX > 0) { 80631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int availableToScroll = getChildAt(getChildCount() - 1).getRight() - 80731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX - getWidth(); 80831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (availableToScroll > 0) { 80931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollBy(Math.min(availableToScroll, deltaX), 0); 8108f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 81131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 81231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 81331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 81431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 81531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 81631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 81731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final VelocityTracker velocityTracker = mVelocityTracker; 818a206daaed1318005d1534cca2e4eeec56144d104Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 81931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int velocityX = (int) velocityTracker.getXVelocity(); 82031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (velocityX > SNAP_VELOCITY && mCurrentScreen > 0) { 82231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move left 82331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen - 1); 82431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (velocityX < -SNAP_VELOCITY && mCurrentScreen < getChildCount() - 1) { 82531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move right 82631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen + 1); 82731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 82831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToDestination(); 82931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker != null) { 83231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.recycle(); 83331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = null; 83431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 83831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 83931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 84031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 84331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void snapToDestination() { 84631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screenWidth = getWidth(); 84731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int whichScreen = (mScrollX + (screenWidth / 2)) / screenWidth; 84831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(whichScreen); 85031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void snapToScreen(int whichScreen) { 85382d94d9e9ee4eb6b14db3c8df2f47dcae5ce4ab0Romain Guy if (!mScroller.isFinished()) return; 85482d94d9e9ee4eb6b14db3c8df2f47dcae5ce4ab0Romain Guy 8554c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 85631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project enableChildrenCache(); 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1)); 85931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean changingScreens = whichScreen != mCurrentScreen; 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = whichScreen; 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View focusedChild = getFocusedChild(); 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (focusedChild != null && changingScreens && focusedChild == getChildAt(mCurrentScreen)) { 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusedChild.clearFocus(); 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int newX = whichScreen * getWidth(); 86931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int delta = newX - mScrollX; 87031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.startScroll(mScrollX, 0, delta, 0, Math.abs(delta) * 2); 87131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 87231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void startDrag(CellLayout.CellInfo cellInfo) { 87531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = cellInfo.cell; 87631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Make sure the drag was started by a long press as opposed to a long click. 87831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Note that Search takes focus when clicked rather than entering touch mode 87931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!child.isInTouchMode() && !(child instanceof Search)) { 88031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return; 88131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = cellInfo; 88431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo.screen = mCurrentScreen; 88531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout current = ((CellLayout) getChildAt(mCurrentScreen)); 88731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project current.onDragChild(child); 88900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.startDrag(child, this, child.getTag(), DragController.DRAG_ACTION_MOVE); 89031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 89131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 89331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 89431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected Parcelable onSaveInstanceState() { 89531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final SavedState state = new SavedState(super.onSaveInstanceState()); 89631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project state.currentScreen = mCurrentScreen; 89731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return state; 89831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 90031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 90131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 90231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState savedState = (SavedState) state; 90331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onRestoreInstanceState(savedState.getSuperState()); 90431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (savedState.currentScreen != -1) { 90531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = savedState.currentScreen; 90631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 90731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 90831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 90931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 91031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo) { 91131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addApplicationShortcut(info, cellInfo, false); 91231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 91331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 91431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo, 91531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 91631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(cellInfo.screen); 91731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int[] result = new int[2]; 91831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 91931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.cellToPoint(cellInfo.cellX, cellInfo.cellY, result); 92031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(result[0], result[1], info, layout, insertAtFirst); 92131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, 92400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 92570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout cellLayout = getCurrentDropLayout(); 92631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (source != this) { 92731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x - xOffset, y - yOffset, dragInfo, cellLayout); 92831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 92931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Move internally 93031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 93131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View cell = mDragInfo.cell; 93252d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 93352d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy if (index != mDragInfo.screen) { 93431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen); 93531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project originalCellLayout.removeView(cell); 93631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(cell); 93731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 938263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x - xOffset, y - yOffset, 93970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mDragInfo.spanX, mDragInfo.spanY, cell, cellLayout, mTargetCell); 94070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(cell, mTargetCell); 94131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ItemInfo info = (ItemInfo)cell.getTag(); 94331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams(); 94431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.moveItemInDatabase(mLauncher, info, 94552d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy LauncherSettings.Favorites.CONTAINER_DESKTOP, index, lp.cellX, lp.cellY); 94631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 95031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, 95100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 9524c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 95331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 95431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 95531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, 95600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 95731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 95831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 95931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, 96000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 9614c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 96231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 96331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 96431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout) { 96531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x, y, dragInfo, cellLayout, false); 96631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 96731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 96831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout, 96931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 97031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Drag from somewhere else 97131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ItemInfo info = (ItemInfo) dragInfo; 97231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 97331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View view; 97431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 97531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (info.itemType) { 97631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 97731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 97831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (info.container == NO_ID) { 97931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Came from all apps -- make a copy 98031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project info = new ApplicationInfo((ApplicationInfo) info); 98131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 98231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = mLauncher.createShortcut(R.layout.application, cellLayout, 98331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ApplicationInfo) info); 98431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 98531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 98631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher, 98731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ViewGroup) getChildAt(mCurrentScreen), ((UserFolderInfo) info)); 98831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 98931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project default: 99031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Unknown item type: " + info.itemType); 99131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 99331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(view, insertAtFirst ? 0 : -1); 99431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setOnLongClickListener(mLongClickListener); 99500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (view instanceof DropTarget) { 99600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)view); 99700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 99800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 999263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x, y, 1, 1, view, cellLayout, mTargetCell); 100070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(view, mTargetCell); 100131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams(); 100231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.addOrMoveItemInDatabase(mLauncher, info, 100431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherSettings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY); 100531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 100670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 100770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 100870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Return the current {@link CellLayout}, correctly picking the destination 100970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * screen while a scroll is in progress. 101070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 101170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout getCurrentDropLayout() { 101270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 101370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return (CellLayout) getChildAt(index); 101470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 101531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 101770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 101870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 101970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public boolean acceptDrop(DragSource source, int x, int y, 102000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo) { 10214c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout layout = getCurrentDropLayout(); 10224c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout.CellInfo cellInfo = mDragInfo; 10234c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 10244c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 10254c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 10264c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache == null) { 10274c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final View ignoreView = cellInfo == null ? null : cellInfo.cell; 10284c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = layout.findAllVacantCells(null, ignoreView); 10294c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 10304c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 10314c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy return mVacantCache.findCellForSpan(mTempEstimate, spanX, spanY, false); 103270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 103370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 103470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 103570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 103670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 103770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public Rect estimateDropLocation(DragSource source, int x, int y, 103800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo, Rect recycle) { 103970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout layout = getCurrentDropLayout(); 104070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 104131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout.CellInfo cellInfo = mDragInfo; 104270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 104370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 104470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final View ignoreView = cellInfo == null ? null : cellInfo.cell; 104570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 104670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final Rect location = recycle != null ? recycle : new Rect(); 104770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 104870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find drop cell and convert into rectangle 1049263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy int[] dropCell = estimateDropCell(x - xOffset, y - yOffset, 105070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, ignoreView, layout, mTempCell); 105170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 105270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (dropCell == null) { 105370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 105470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 105570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 105670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0], dropCell[1], mTempEstimate); 105770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.left = mTempEstimate[0]; 105870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.top = mTempEstimate[1]; 105970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 106070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0] + spanX, dropCell[1] + spanY, mTempEstimate); 106170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.right = mTempEstimate[0]; 106270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.bottom = mTempEstimate[1]; 106370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 106470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return location; 106531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 106631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 106770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 106870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Calculate the nearest cell where the given object would be dropped. 106970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 1070263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy private int[] estimateDropCell(int pixelX, int pixelY, 107170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) { 107270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Create vacant cell cache if none exists 107370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (mVacantCache == null) { 107470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mVacantCache = layout.findAllVacantCells(null, ignoreView); 107570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 107670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 107770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find the best target drop location 107870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return layout.findNearestVacantArea(pixelX, pixelY, 107970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, mVacantCache, recycle); 108070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 108170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 108231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setLauncher(Launcher launcher) { 108331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLauncher = launcher; 108431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setDragController(DragController dragController) { 108700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController = dragController; 108831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDropCompleted(View target, boolean success) { 109131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (success){ 109231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (target != this && mDragInfo != null) { 109331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 109431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.removeView(mDragInfo.cell); 109500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragInfo.cell instanceof DropTarget) { 109600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)mDragInfo.cell); 109700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 109831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Object tag = mDragInfo.cell.getTag(); 109931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 110131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 110231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 110331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.onDropAborted(mDragInfo.cell); 110431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 110731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = null; 110831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 111031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollLeft() { 11114c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen == INVALID_SCREEN && mCurrentScreen > 0 && mScroller.isFinished()) { 111331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen - 1); 111431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 111731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollRight() { 11184c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 111931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen == INVALID_SCREEN && mCurrentScreen < getChildCount() -1 && 112031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.isFinished()) { 112131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen + 1); 112231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 112531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int getScreenForView(View v) { 112631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int result = -1; 112731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v != null) { 112831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ViewParent vp = v.getParent(); 112931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 113031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 113131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vp == getChildAt(i)) { 113231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return i; 113331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return result; 113731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1138138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 113931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 114031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find a search widget on the given screen 114131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 114231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Search findSearchWidget(CellLayout screen) { 114331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = screen.getChildCount(); 114431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 114531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View v = screen.getChildAt(i); 114631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v instanceof Search) { 114731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Search) v; 114831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 115031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 115131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1152138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 115331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1154138a04170d964da9cdec228e95b976875ae52481Karl Rosaen * Gets the first search widget on the current screen, if there is one. 1155138a04170d964da9cdec228e95b976875ae52481Karl Rosaen * Returns <code>null</code> otherwise. 115631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1157138a04170d964da9cdec228e95b976875ae52481Karl Rosaen public Search findSearchWidgetOnCurrentScreen() { 1158138a04170d964da9cdec228e95b976875ae52481Karl Rosaen CellLayout currentScreen = (CellLayout)getChildAt(mCurrentScreen); 1159138a04170d964da9cdec228e95b976875ae52481Karl Rosaen return findSearchWidget(currentScreen); 116031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 116131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 116231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Folder getFolderForTag(Object tag) { 116331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 116431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 116531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 116631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 116731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 116831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 116931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 117031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 117131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder f = (Folder) child; 117231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (f.getInfo() == tag) { 117331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return f; 117431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 117531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 117631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 117731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 117831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 117931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 118031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 118131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public View getViewForTag(Object tag) { 118231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 118331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 118431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 118531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 118631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 118731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 118831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getTag() == tag) { 118931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return child; 119031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 119431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 119631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 119731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True is long presses are still allowed for the current touch 119831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 119931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean allowLongPress() { 120031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mAllowLongPress; 120131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1202ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project 1203ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project /** 1204ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * Set true to allow long-press events to be triggered, usually checked by 1205ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * {@link Launcher} to accept or block dpad-initiated long-presses. 1206ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project */ 1207ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project public void setAllowLongPress(boolean allowLongPress) { 1208ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project mAllowLongPress = allowLongPress; 1209ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project } 121031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void removeShortcutsForPackage(String packageName) { 121231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ArrayList<View> childrenToRemove = new ArrayList<View>(); 121331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 1214574d20ec84551370987dde530c27ec493bdef564Romain Guy 121531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 121631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 121731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childCount = layout.getChildCount(); 1218574d20ec84551370987dde530c27ec493bdef564Romain Guy 121931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childrenToRemove.clear(); 1220574d20ec84551370987dde530c27ec493bdef564Romain Guy 122131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = 0; j < childCount; j++) { 122231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = layout.getChildAt(j); 122331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Object tag = view.getTag(); 1224574d20ec84551370987dde530c27ec493bdef564Romain Guy 122531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (tag instanceof ApplicationInfo) { 1226574d20ec84551370987dde530c27ec493bdef564Romain Guy final ApplicationInfo info = (ApplicationInfo) tag; 122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 122831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // web pages.) 123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Intent intent = info.intent; 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ComponentName name = intent.getComponent(); 1232574d20ec84551370987dde530c27ec493bdef564Romain Guy 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (Intent.ACTION_MAIN.equals(intent.getAction()) && 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project name != null && packageName.equals(name.getPackageName())) { 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.deleteItemFromDatabase(mLauncher, info); 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childrenToRemove.add(view); 123731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1238574d20ec84551370987dde530c27ec493bdef564Romain Guy } else if (tag instanceof UserFolderInfo) { 1239574d20ec84551370987dde530c27ec493bdef564Romain Guy final UserFolderInfo info = (UserFolderInfo) tag; 1240574d20ec84551370987dde530c27ec493bdef564Romain Guy final ArrayList<ApplicationInfo> contents = info.contents; 1241574d20ec84551370987dde530c27ec493bdef564Romain Guy final ArrayList<ApplicationInfo> toRemove = new ArrayList<ApplicationInfo>(1); 1242574d20ec84551370987dde530c27ec493bdef564Romain Guy final int contentsCount = contents.size(); 1243574d20ec84551370987dde530c27ec493bdef564Romain Guy boolean removedFromFolder = false; 1244574d20ec84551370987dde530c27ec493bdef564Romain Guy 1245574d20ec84551370987dde530c27ec493bdef564Romain Guy for (int k = 0; k < contentsCount; k++) { 1246574d20ec84551370987dde530c27ec493bdef564Romain Guy final ApplicationInfo appInfo = contents.get(k); 1247574d20ec84551370987dde530c27ec493bdef564Romain Guy final Intent intent = appInfo.intent; 1248574d20ec84551370987dde530c27ec493bdef564Romain Guy final ComponentName name = intent.getComponent(); 1249574d20ec84551370987dde530c27ec493bdef564Romain Guy 1250574d20ec84551370987dde530c27ec493bdef564Romain Guy if (Intent.ACTION_MAIN.equals(intent.getAction()) && 1251574d20ec84551370987dde530c27ec493bdef564Romain Guy name != null && packageName.equals(name.getPackageName())) { 1252574d20ec84551370987dde530c27ec493bdef564Romain Guy toRemove.add(appInfo); 1253574d20ec84551370987dde530c27ec493bdef564Romain Guy LauncherModel.deleteItemFromDatabase(mLauncher, appInfo); 1254574d20ec84551370987dde530c27ec493bdef564Romain Guy removedFromFolder = true; 1255574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1256574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1257574d20ec84551370987dde530c27ec493bdef564Romain Guy 1258574d20ec84551370987dde530c27ec493bdef564Romain Guy contents.removeAll(toRemove); 1259574d20ec84551370987dde530c27ec493bdef564Romain Guy if (removedFromFolder) { 1260574d20ec84551370987dde530c27ec493bdef564Romain Guy final Folder folder = getOpenFolder(); 1261574d20ec84551370987dde530c27ec493bdef564Romain Guy if (folder != null) folder.notifyDataSetChanged(); 1262574d20ec84551370987dde530c27ec493bdef564Romain Guy } 126331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1265574d20ec84551370987dde530c27ec493bdef564Romain Guy 126631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childCount = childrenToRemove.size(); 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = 0; j < childCount; j++) { 126800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato View child = childrenToRemove.get(j); 126900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato layout.removeViewInLayout(child); 127000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 127100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)child); 127200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 127331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1274574d20ec84551370987dde530c27ec493bdef564Romain Guy 127531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (childCount > 0) { 127631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.requestLayout(); 127731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.invalidate(); 127831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 127931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1281f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 1282f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project void updateShortcutsForPackage(String packageName) { 12839c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final PackageManager pm = mLauncher.getPackageManager(); 12849c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato 1285f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final int count = getChildCount(); 1286f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int i = 0; i < count; i++) { 1287f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1288f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project int childCount = layout.getChildCount(); 1289f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int j = 0; j < childCount; j++) { 1290f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final View view = layout.getChildAt(j); 1291f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Object tag = view.getTag(); 1292f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (tag instanceof ApplicationInfo) { 1293f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project ApplicationInfo info = (ApplicationInfo) tag; 1294f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 1295f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 1296f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // web pages.) 1297f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final Intent intent = info.intent; 1298f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final ComponentName name = intent.getComponent(); 1299f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 1300f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Intent.ACTION_MAIN.equals(intent.getAction()) && name != null && 1301f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project packageName.equals(name.getPackageName())) { 1302f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 13039c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final Drawable icon = AppInfoCache.getIconDrawable(pm, info); 1304f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (icon != null && icon != info.icon) { 1305f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon.setCallback(null); 13066665c0f1fec6ec0962896622986340081df992e7Joe Onorato info.icon = Utilities.createIconThumbnail(icon, mContext); 1307f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.filtered = true; 1308f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project ((TextView) view).setCompoundDrawablesWithIntrinsicBounds(null, 1309f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon, null, null); 1310f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1311f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1312f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1313f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1314f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1315f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1316f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 131731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void moveToDefaultScreen() { 131831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mDefaultScreen); 131931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mDefaultScreen).requestFocus(); 132031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 132131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 132231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class SavedState extends BaseSavedState { 132331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int currentScreen = -1; 132431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 132531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState(Parcelable superState) { 132631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(superState); 132731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 132831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 132931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private SavedState(Parcel in) { 133031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(in); 133131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen = in.readInt(); 133231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 133331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 133431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 133531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 133631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.writeToParcel(out, flags); 133731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project out.writeInt(currentScreen); 133831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 133931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 134031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR = 134131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new Parcelable.Creator<SavedState>() { 134231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState createFromParcel(Parcel in) { 134331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState(in); 134431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 134631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState[] newArray(int size) { 134731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState[size]; 134831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project }; 135031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1351e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 1352e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato void show() { 13537c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato setVisibility(VISIBLE); 1354e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 1355e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 1356e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato void hide() { 1357e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 135831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1359