Workspace.java revision e47f55c30b9c24f01f2be861247c92f17fbe4a61
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; 29080d9b614e609826dce2606f9e474af674ead933Joe Onoratoimport android.os.Parcelable; 30080d9b614e609826dce2606f9e474af674ead933Joe Onoratoimport android.os.Parcel; 3131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 3231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 3331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.VelocityTracker; 3431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 3531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewConfiguration; 3631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 3731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewParent; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.widget.Scroller; 39f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.widget.TextView; 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 { 49e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 503a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato private static final String TAG = "Launcher.Workspace"; 5131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int INVALID_SCREEN = -1; 5270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 5431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The velocity at which a fling gesture will cause us to snap to the next screen 5531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 5631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int SNAP_VELOCITY = 1000; 5731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 588f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private final WallpaperManager mWallpaperManager; 598f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 6031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mDefaultScreen; 6131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private boolean mFirstLayout = true; 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCurrentScreen; 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mNextScreen = INVALID_SCREEN; 6631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Scroller mScroller; 6731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private VelocityTracker mVelocityTracker; 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * CellInfo for the cell that is currently being dragged 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private CellLayout.CellInfo mDragInfo; 7370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 7470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 7570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Target drop area calculated during last acceptDrop call. 7670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 7770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTargetCell = null; 7831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionX; 8031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionY; 81f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 8231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_REST = 0; 8331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_SCROLLING = 1; 8431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchState = TOUCH_STATE_REST; 8631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private OnLongClickListener mLongClickListener; 8831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Launcher mLauncher; 9000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DragController mDragController; 9170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 9270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 9370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Cache of vacant cells, used during drag events and invalidated as needed. 9470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 9570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout.CellInfo mVacantCache = null; 9670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 9731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int[] mTempCell = new int[2]; 9870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTempEstimate = new int[2]; 9931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100a9c28f6f97a4b34d9527c786e3aa8f02d92d9e07Joe Onorato private boolean mAllowLongPress = true; 10131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchSlop; 103a206daaed1318005d1534cca2e4eeec56144d104Romain Guy private int mMaximumVelocity; 10431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Rect mDrawerBounds = new Rect(); 10631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Rect mClipBounds = new Rect(); 1077376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project int mDrawerContentHeight; 1087376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project int mDrawerContentWidth; 10931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1108a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy private Drawable mPreviousIndicator; 1118a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy private Drawable mNextIndicator; 1128a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 1133a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato private boolean mFading = true; 1143a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato 11531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 11831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 11931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 12031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs) { 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 12631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 12731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 12831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 12931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param defStyle Unused. 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs, int defStyle) { 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1358f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn mWallpaperManager = WallpaperManager.getInstance(context); 1368f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Workspace, defStyle, 0); 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDefaultScreen = a.getInt(R.styleable.Workspace_defaultScreen, 1); 13931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 14031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project initWorkspace(); 14231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 14331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 14531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Initializes various states for this workspace. 14631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 14731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void initWorkspace() { 14831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller = new Scroller(getContext()); 14931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = mDefaultScreen; 15031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 15131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 152a206daaed1318005d1534cca2e4eeec56144d104Romain Guy final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 153a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mTouchSlop = configuration.getScaledTouchSlop(); 154a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 15531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index, params); 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child) { 16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 16831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 16931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child); 17131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 17431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index) { 17531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 17631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 17731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index); 17931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 18231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int width, int height) { 18331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 18431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, width, height); 18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 19031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, LayoutParams params) { 19131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 19231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 19331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, params); 19531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 19631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 19831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The open folder on the current screen, or null if there is none 19931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 20031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder getOpenFolder() { 20131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(mCurrentScreen); 20231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 20331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 20431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 20531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 20631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 20731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Folder) child; 20831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 21131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> getOpenFolders() { 21431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screens = getChildCount(); 21531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> folders = new ArrayList<Folder>(screens); 21631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screens; screen++) { 21831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(screen); 21931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 22031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 22131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 22231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 22331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 22431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project folders.add((Folder) child); 22531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 22631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return folders; 23131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean isDefaultScreenShowing() { 23431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen == mDefaultScreen; 23531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 23831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the index of the currently displayed screen. 23931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 24031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The index of the currently displayed screen. 24131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 24231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCurrentScreen() { 24331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen; 24431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2475979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato * Returns how many screens there are. 2485979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato */ 2495979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato int getScreenCount() { 2505979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato return getChildCount(); 2515979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato } 2525979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato 2535979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato /** 25431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 25531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 25631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 25731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 25831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellHSpan Width in cells 25931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 26031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param rect Rectnagle into which to put the results 26131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 26231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF rect) { 26331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ((CellLayout)getChildAt(mCurrentScreen)).cellToRect(cellX, cellY, 26431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan, cellVSpan, rect); 26531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 26631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 26831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Sets the current screen. 26931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 27031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param currentScreen 27131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 27231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setCurrentScreen(int currentScreen) { 2734c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 27431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(currentScreen, getChildCount() - 1)); 27531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * getWidth(), 0); 27631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 27731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 27931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 28031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 28131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 28231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 28331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 28431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 28531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 28631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 28731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 28831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 28931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY) { 29031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, false); 29131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 29231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 29331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 29431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 29531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 29631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 29731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 29831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 29931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 30031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 30131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 30231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 30331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 30431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY, boolean insert) { 30531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, insert); 30631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 30731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 30831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 30931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 31031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 31131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 31331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 31431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 31531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 31631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 31731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 31831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 31931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) { 32031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, screen, x, y, spanX, spanY, false); 32131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 32231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 32331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 32431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 32531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 32631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 32731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 32931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 33031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 33131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 33231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 33331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 33431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 33531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) { 33631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 33731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount()); 33831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 33931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3404c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 3414c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 34431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp == null) { 34531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp = new CellLayout.LayoutParams(x, y, spanX, spanY); 34631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 34731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellX = x; 34831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellY = y; 34931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellHSpan = spanX; 35031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellVSpan = spanY; 35131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 35231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, insert ? 0 : -1, lp); 35331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 35431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 35531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 35600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 35700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 35800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 35931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 36131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addWidget(View view, Widget widget) { 36231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(view, widget.screen, widget.cellX, widget.cellY, widget.spanX, 36331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project widget.spanY, false); 36431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 36631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addWidget(View view, Widget widget, boolean insert) { 36731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(view, widget.screen, widget.cellX, widget.cellY, widget.spanX, 36831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project widget.spanY, insert); 36931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 37031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 37131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.CellInfo findAllVacantCells(boolean[] occupied) { 37231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 37331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 37470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return group.findAllVacantCells(occupied, null); 37531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 37631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 37731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 37831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3794c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy private void clearVacantCache() { 3804c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache != null) { 3814c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache.clearVacantCells(); 3824c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = null; 3834c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 3844c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 3854c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 38631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 38731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the coordinate of a vacant cell for the current screen. 38831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 38931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean getVacantCell(int[] vacant, int spanX, int spanY) { 39031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 39131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 39231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return group.getVacantCell(vacant, spanX, spanY); 39331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 39531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 39731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 39831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 39931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 40031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 40131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 40231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 40331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 40431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 40531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void fitInCurrentScreen(View child, int spanX, int spanY) { 40631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project fitInScreen(child, mCurrentScreen, spanX, spanY); 40731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 40831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 40931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 41031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 41131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 41231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 41331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 41431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 41531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 41631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 41731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 41831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void fitInScreen(View child, int screen, int spanX, int spanY) { 41931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 42031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount()); 42131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 42231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 42331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 42431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean vacant = group.getVacantCell(mTempCell, spanX, spanY); 42531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vacant) { 42631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, 42731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new CellLayout.LayoutParams(mTempCell[0], mTempCell[1], spanX, spanY)); 42831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 42931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 43031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 43131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 43200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 43300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 43400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 43531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 43631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 43731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 43831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 43931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Registers the specified listener on each screen contained in this workspace. 44031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 44131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param l The listener used to respond to long clicks. 44231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 44331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 44431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setOnLongClickListener(OnLongClickListener l) { 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLongClickListener = l; 44631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 44731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).setOnLongClickListener(l); 44931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4528f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private void updateWallpaperOffset() { 453798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(getChildAt(getChildCount() - 1).getRight() - (mRight - mLeft)); 454798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy } 455798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy 456798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy private void updateWallpaperOffset(int scrollRange) { 457c07c79b10b663a02ef67da57bdda60a1ea299eb5Marco Nelissen mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 0 ); 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)); 4708a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator.setLevel(mCurrentScreen); 4718a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator.setLevel(mCurrentScreen); 47231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 47331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = INVALID_SCREEN; 47431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 47531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4783a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato public void startFading(boolean dest) { 4793a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato mFading = dest; 4803a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato invalidate(); 4813a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 4823a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato 48331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 48431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 4853a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato final boolean allAppsOpaque = mLauncher.isAllAppsOpaque(); 4863a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (mFading == allAppsOpaque) { 4873a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato invalidate(); 4883a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } else { 4893a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato mFading = !allAppsOpaque; 4903a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 4913a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (allAppsOpaque) { 4923a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato // If the launcher is up, draw black. 4933a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato canvas.drawARGB(0xff, 0, 0, 0); 4943a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 4953a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 4963a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato 4977376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project boolean restore = false; 498e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int restoreCount = 0; 499e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 500e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato // For the fade. If view gets setAlpha(), use that instead. 50185a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato float scale = mScale; 50285a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato if (scale < 0.999f) { 503e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int sx = mScrollX; 50485a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato 50585a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato int alpha = (scale < 0.5f) ? (int)(255 * 2 * scale) : 255; 50685a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato 507e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato restoreCount = canvas.saveLayerAlpha(sx, 0, sx+getWidth(), getHeight(), alpha, 508e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG); 509e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato restore = true; 51085a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato 51185a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato if (scale < 0.999f) { 51285a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato int w = getWidth(); 51385a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato w += 2 * mCurrentScreen * w; 514d40eec360f86d8f3d7f9229dbfdc1e54628bfa8aJoe Onorato int dx = w/2; 51585a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato int h = getHeight(); 516d40eec360f86d8f3d7f9229dbfdc1e54628bfa8aJoe Onorato int dy = (h/2) - (h/4); 517d40eec360f86d8f3d7f9229dbfdc1e54628bfa8aJoe Onorato canvas.translate(dx, dy); 51885a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato canvas.scale(scale, scale); 519d40eec360f86d8f3d7f9229dbfdc1e54628bfa8aJoe Onorato canvas.translate(-dx, -dy); 52085a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato } 521e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 5227376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 52331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // ViewGroup.dispatchDraw() supports many features we don't need: 52431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // clip to padding, layout animation, animation listener, disappearing 52531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // children, etc. The following implementation attempts to fast-track 52631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // the drawing dispatch by drawing only what we know needs to be drawn. 52731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 52885a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato boolean fastDraw = mTouchState != TOUCH_STATE_SCROLLING && mNextScreen == INVALID_SCREEN 52985a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato && scale > 0.999f; 53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are not scrolling or flinging, draw only the current screen 53131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (fastDraw) { 53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), getDrawingTime()); 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 53431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final long drawingTime = getDrawingTime(); 53531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are flinging, draw only the current screen and the target screen 53631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen >= 0 && mNextScreen < getChildCount() && 53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Math.abs(mCurrentScreen - mNextScreen) == 1) { 53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), drawingTime); 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mNextScreen), drawingTime); 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are scrolling, draw all of our children 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(i), drawingTime); 54531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 5487376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 5497376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project if (restore) { 550e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato canvas.restoreToCount(restoreCount); 5517376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project } 55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 55485a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato private float mScale = 1.0f; 55585a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato public void setScale(float scale) { 55685a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato mScale = scale; 55785a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato invalidate(); 55885a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato } 55985a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onorato 56000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato protected void onAttachedToWindow() { 56100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato super.onAttachedToWindow(); 56200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.setWindowToken(getWindowToken()); 56300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 56400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 56731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onMeasure(widthMeasureSpec, heightMeasureSpec); 56831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int width = MeasureSpec.getSize(widthMeasureSpec); 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthMode = MeasureSpec.getMode(widthMeasureSpec); 57131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthMode != MeasureSpec.EXACTLY) { 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 57331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightMode = MeasureSpec.getMode(heightMeasureSpec); 57631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (heightMode != MeasureSpec.EXACTLY) { 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 57831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // The children are given the same width and height as the workspace 58131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 58231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 58331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec); 58431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5863a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 58731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mFirstLayout) { 5883a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(false); 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * width, 0); 5903a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(true); 591798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(width * (getChildCount() - 1)); 59231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mFirstLayout = false; 59331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 59631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 59731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 59831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = 0; 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 60231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View child = getChildAt(i); 60331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != View.GONE) { 60431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int childWidth = child.getMeasuredWidth(); 60531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, 0, childLeft + childWidth, child.getMeasuredHeight()); 60631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childLeft += childWidth; 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen = indexOfChild(child); 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen != mCurrentScreen || !mScroller.isFinished()) { 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mLauncher.isWorkspaceLocked()) { 61631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(screen); 61731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { 625678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder != null) { 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return openFolder.requestFocus(direction, previouslyFocusedRect); 62931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 63031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int focusableScreen; 63131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen != INVALID_SCREEN) { 63231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mNextScreen; 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 63431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mCurrentScreen; 63531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(focusableScreen).requestFocus(direction, previouslyFocusedRect); 63731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() > 0) { 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() - 1); 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT) { 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() < getChildCount() - 1) { 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() + 1); 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return super.dispatchUnhandledMove(focused, direction); 65631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 659c2e24c0a37ddeab930f731c062705d435e477f75Romain Guy public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 660678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 66131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 66231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder == null) { 66331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen).addFocusables(views, direction); 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 66531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen > 0) { 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen - 1).addFocusables(views, direction); 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 66831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT){ 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen < getChildCount() - 1) { 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen + 1).addFocusables(views, direction); 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project openFolder.addFocusables(views, direction); 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 6807bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato public boolean dispatchTouchEvent(MotionEvent ev) { 6817bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (ev.getAction() == MotionEvent.ACTION_DOWN) { 6827bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (mLauncher.isWorkspaceLocked() || mLauncher.isAllAppsVisible()) { 6837bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return false; 6847bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6857bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6867bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return super.dispatchTouchEvent(ev); 6877bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6887bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato 6897bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato @Override 69031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 691678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (mLauncher.isWorkspaceLocked() || mLauncher.isAllAppsVisible()) { 6927c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 69331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 69431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 69531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 69631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * This method JUST determines whether we want to intercept the motion. 69731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If we return true, onTouchEvent will be called and we do the actual 69831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * scrolling there. 69931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 70031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 70131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Shortcut the most recurring case: the user is in the dragging 70331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * state and he is moving his finger. We want to intercept this 70431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * motion. 70531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 70631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 70731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) { 70831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 70931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 71031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float x = ev.getX(); 71231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float y = ev.getY(); 71331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (action) { 71531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 71631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 71731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check 71831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * whether the user has moved far enough from his original down touch. 71931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 72031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 72231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Locally do absolute value. mLastMotionX is set to the y value 72331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * of the down event. 72431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 72531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int xDiff = (int) Math.abs(x - mLastMotionX); 72631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int yDiff = (int) Math.abs(y - mLastMotionY); 72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int touchSlop = mTouchSlop; 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean xMoved = xDiff > touchSlop; 73031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean yMoved = yDiff > touchSlop; 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved || yMoved) { 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved) { 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll if the user moved far enough along the X axis 73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_SCROLLING; 7373a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1); 73831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Either way, cancel any pending longpress 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mAllowLongPress) { 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Try canceling the long press. It could also have been scheduled 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // by a distant descendant, so use the mAllowLongPress flag to block 74431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // everything 74531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View currentScreen = getChildAt(mCurrentScreen); 74631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen.cancelLongPress(); 74731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 75031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 75231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember location of down touch 75331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 75431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionY = y; 75531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = true; 75631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 75831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches the screen, initiate drag; 75931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * otherwise don't. mScroller.isFinished should be false when 76031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * being flinged. 76131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING; 76331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 76531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 76631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 767f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 768f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (mTouchState != TOUCH_STATE_SCROLLING) { 769f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 770f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron final CellLayout currentScreen = (CellLayout)getChildAt(mCurrentScreen); 771f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (!currentScreen.lastDownOnOccupiedCell()) { 772f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron // Send a tap to the wallpaper if the last down was on empty space 773f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron mWallpaperManager.sendWallpaperCommand(getWindowToken(), 774f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron "android.wallpaper.tap", (int) ev.getX(), (int) ev.getY(), 0, null); 775f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 776f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 777f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 77831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Release the drag 77931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 78131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 782f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 78331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 78431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 78531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 78631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 78731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The only time we want to intercept motion events is if we are in the 78831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * drag mode. 78931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 79031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mTouchState != TOUCH_STATE_REST; 79131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7933a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato /** 7943a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * If one of our descendant views decides that it could be focused now, only 7953a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * pass that along if it's on the current screen. 7963a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * 7973a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * This happens when live folders requery, and if they're off screen, they 7983a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * end up calling requestFocus, which pulls it on screen. 7993a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato */ 8003a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato @Override 8013a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato public void focusableViewAvailable(View focused) { 8023a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View current = getChildAt(mCurrentScreen); 8033a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View v = focused; 8043a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato while (true) { 8053a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == current) { 8063a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato super.focusableViewAvailable(focused); 8073a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 8083a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8093a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == this) { 8103a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 8113a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8123a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato ViewParent parent = v.getParent(); 8133a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (parent instanceof View) { 8143a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato v = (View)v.getParent(); 8153a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } else { 8163a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 8173a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8183a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8193a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8203a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato 8213a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron void enableChildrenCache(int fromScreen, int toScreen) { 8223a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron if (fromScreen > toScreen) { 8233a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron fromScreen = toScreen; 8243a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron toScreen = fromScreen; 8253a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } 8263a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 82731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 8283a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 8293a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron fromScreen = Math.max(fromScreen, 0); 8303a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron toScreen = Math.min(toScreen, count - 1); 8313a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 8323a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron for (int i = fromScreen; i <= toScreen; i++) { 83331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 83431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(true); 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawingCacheEnabled(true); 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void clearChildrenCache() { 84031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 84131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 84231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 84331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(false); 84431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 84831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 849f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 8502bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isWorkspaceLocked()) { 8512bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 8522bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 8532bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isAllAppsVisible()) { 8542bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato // Cancel any scrolling that is in progress. 8552bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (!mScroller.isFinished()) { 8562bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato mScroller.abortAnimation(); 8572bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 8582bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato snapToScreen(mCurrentScreen); 8597c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker == null) { 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.addMovement(ev); 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 86831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float x = ev.getX(); 86931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (action) { 87131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 87231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 87331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches, stop the fling. isFinished 87431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * will be false if being flinged. 87531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 87631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mScroller.isFinished()) { 87731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.abortAnimation(); 87831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember where the motion event started 88131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 88231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 88331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 88431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 88531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll to follow the motion event 88631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int deltaX = (int) (mLastMotionX - x); 88731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 88831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (deltaX < 0) { 89031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScrollX > 0) { 89131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollBy(Math.max(-mScrollX, deltaX), 0); 8928f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 89331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (deltaX > 0) { 89531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int availableToScroll = getChildAt(getChildCount() - 1).getRight() - 89631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX - getWidth(); 89731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (availableToScroll > 0) { 89831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollBy(Math.min(availableToScroll, deltaX), 0); 8998f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 90031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 9013a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } else { 9023a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron awakenScrollBars(); 90331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 90431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 90531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 90631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 90731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 90831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final VelocityTracker velocityTracker = mVelocityTracker; 909a206daaed1318005d1534cca2e4eeec56144d104Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 91031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int velocityX = (int) velocityTracker.getXVelocity(); 91131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 91231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (velocityX > SNAP_VELOCITY && mCurrentScreen > 0) { 91331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move left 91431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen - 1); 91531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (velocityX < -SNAP_VELOCITY && mCurrentScreen < getChildCount() - 1) { 91631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move right 91731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen + 1); 91831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 91931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToDestination(); 92031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker != null) { 92331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.recycle(); 92431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = null; 92531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 92831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 92931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 93031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 93131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 93331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 93431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 93631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void snapToDestination() { 93731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screenWidth = getWidth(); 93831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int whichScreen = (mScrollX + (screenWidth / 2)) / screenWidth; 93931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(whichScreen); 94131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void snapToScreen(int whichScreen) { 944e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy //if (!mScroller.isFinished()) return; 94582d94d9e9ee4eb6b14db3c8df2f47dcae5ce4ab0Romain Guy 9463a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1)); 9473a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 9484c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 9493a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron enableChildrenCache(mCurrentScreen, whichScreen); 95031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9513a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron final int screenDelta = Math.abs(whichScreen - mCurrentScreen); 95231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 95331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = whichScreen; 954e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy 955e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mPreviousIndicator.setLevel(mNextScreen); 956e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mNextIndicator.setLevel(mNextScreen); 95731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 95831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View focusedChild = getFocusedChild(); 9593a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron if (focusedChild != null && screenDelta != 0 && focusedChild == getChildAt(mCurrentScreen)) { 96031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusedChild.clearFocus(); 96131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 96231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 96331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int newX = whichScreen * getWidth(); 96431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int delta = newX - mScrollX; 9653a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron final int duration = screenDelta * 300; 9663a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron awakenScrollBars(duration); 9673a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron mScroller.startScroll(mScrollX, 0, delta, 0, duration); 96831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 96931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 97031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 97131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void startDrag(CellLayout.CellInfo cellInfo) { 97231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = cellInfo.cell; 97331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 97431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Make sure the drag was started by a long press as opposed to a long click. 97531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Note that Search takes focus when clicked rather than entering touch mode 97631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!child.isInTouchMode() && !(child instanceof Search)) { 97731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return; 97831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 97931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 98031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = cellInfo; 98131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo.screen = mCurrentScreen; 98231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 98331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout current = ((CellLayout) getChildAt(mCurrentScreen)); 98431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 98531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project current.onDragChild(child); 98600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.startDrag(child, this, child.getTag(), DragController.DRAG_ACTION_MOVE); 98731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 98831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 98931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 99031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 99131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected Parcelable onSaveInstanceState() { 99231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final SavedState state = new SavedState(super.onSaveInstanceState()); 99331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project state.currentScreen = mCurrentScreen; 99431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return state; 99531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 99731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 99831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 99931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState savedState = (SavedState) state; 100031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onRestoreInstanceState(savedState.getSuperState()); 100131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (savedState.currentScreen != -1) { 100231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = savedState.currentScreen; 100331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 100431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 100531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 100631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo) { 100831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addApplicationShortcut(info, cellInfo, false); 100931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo, 101231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 101331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(cellInfo.screen); 101431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int[] result = new int[2]; 101531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.cellToPoint(cellInfo.cellX, cellInfo.cellY, result); 101731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(result[0], result[1], info, layout, insertAtFirst); 101831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 102000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, 102100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 102270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout cellLayout = getCurrentDropLayout(); 102331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (source != this) { 102431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x - xOffset, y - yOffset, dragInfo, cellLayout); 102531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 102631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Move internally 102731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 102831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View cell = mDragInfo.cell; 102952d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 103052d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy if (index != mDragInfo.screen) { 103131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen); 103231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project originalCellLayout.removeView(cell); 103331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(cell); 103431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1035263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x - xOffset, y - yOffset, 103670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mDragInfo.spanX, mDragInfo.spanY, cell, cellLayout, mTargetCell); 103770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(cell, mTargetCell); 103831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 103984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy final ItemInfo info = (ItemInfo) cell.getTag(); 104031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams(); 104131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.moveItemInDatabase(mLauncher, info, 104252d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy LauncherSettings.Favorites.CONTAINER_DESKTOP, index, lp.cellX, lp.cellY); 104331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 104731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, 104800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 10494c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 105031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 105131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 105231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, 105300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 105431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 105531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 105631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, 105700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 10584c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 105931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 106031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 106131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout) { 106231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x, y, dragInfo, cellLayout, false); 106331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 106431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 106531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout, 106631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 106731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Drag from somewhere else 106831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ItemInfo info = (ItemInfo) dragInfo; 106931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 107031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View view; 107131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 107231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (info.itemType) { 107331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 107431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 107531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (info.container == NO_ID) { 107631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Came from all apps -- make a copy 107731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project info = new ApplicationInfo((ApplicationInfo) info); 107831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = mLauncher.createShortcut(R.layout.application, cellLayout, 108031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ApplicationInfo) info); 108131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 108231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 108331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher, 108431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ViewGroup) getChildAt(mCurrentScreen), ((UserFolderInfo) info)); 108531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 108631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project default: 108731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Unknown item type: " + info.itemType); 108831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(view, insertAtFirst ? 0 : -1); 109131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setOnLongClickListener(mLongClickListener); 109200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (view instanceof DropTarget) { 1093207e40ee66fddded52a028b8f68be3605da3df37Romain Guy mDragController.addDropTarget((DropTarget) view); 109400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 109500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 1096263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x, y, 1, 1, view, cellLayout, mTargetCell); 109770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(view, mTargetCell); 109831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams(); 109931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 110031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.addOrMoveItemInDatabase(mLauncher, info, 110131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherSettings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY); 110231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 110470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 110570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Return the current {@link CellLayout}, correctly picking the destination 110670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * screen while a scroll is in progress. 110770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 110870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout getCurrentDropLayout() { 110970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 111070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return (CellLayout) getChildAt(index); 111170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 111370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 111470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 111570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 111670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public boolean acceptDrop(DragSource source, int x, int y, 111700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo) { 11184c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout layout = getCurrentDropLayout(); 11194c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout.CellInfo cellInfo = mDragInfo; 11204c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 11214c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 11224c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 11234c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache == null) { 11244c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final View ignoreView = cellInfo == null ? null : cellInfo.cell; 11254c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = layout.findAllVacantCells(null, ignoreView); 11264c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 11274c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 11284c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy return mVacantCache.findCellForSpan(mTempEstimate, spanX, spanY, false); 112970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 113070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 113170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 113270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 113370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 113470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public Rect estimateDropLocation(DragSource source, int x, int y, 113500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo, Rect recycle) { 113670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout layout = getCurrentDropLayout(); 113770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 113831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout.CellInfo cellInfo = mDragInfo; 113970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 114070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 114170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final View ignoreView = cellInfo == null ? null : cellInfo.cell; 114270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 114370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final Rect location = recycle != null ? recycle : new Rect(); 114470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 114570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find drop cell and convert into rectangle 1146263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy int[] dropCell = estimateDropCell(x - xOffset, y - yOffset, 114770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, ignoreView, layout, mTempCell); 114870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 114970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (dropCell == null) { 115070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 115170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 115270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 115370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0], dropCell[1], mTempEstimate); 115470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.left = mTempEstimate[0]; 115570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.top = mTempEstimate[1]; 115670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 115770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0] + spanX, dropCell[1] + spanY, mTempEstimate); 115870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.right = mTempEstimate[0]; 115970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.bottom = mTempEstimate[1]; 116070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 116170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return location; 116231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 116331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 116470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 116570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Calculate the nearest cell where the given object would be dropped. 116670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 1167263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy private int[] estimateDropCell(int pixelX, int pixelY, 116870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) { 116970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Create vacant cell cache if none exists 117070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (mVacantCache == null) { 117170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mVacantCache = layout.findAllVacantCells(null, ignoreView); 117270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 117370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 117470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find the best target drop location 117570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return layout.findNearestVacantArea(pixelX, pixelY, 117670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, mVacantCache, recycle); 117770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 117870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 117931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setLauncher(Launcher launcher) { 118031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLauncher = launcher; 118131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 118231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 118300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setDragController(DragController dragController) { 118400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController = dragController; 118531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 118631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 118731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDropCompleted(View target, boolean success) { 1188207e40ee66fddded52a028b8f68be3605da3df37Romain Guy clearVacantCache(); 1189207e40ee66fddded52a028b8f68be3605da3df37Romain Guy 119031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (success){ 119131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (target != this && mDragInfo != null) { 119231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 119331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.removeView(mDragInfo.cell); 119400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragInfo.cell instanceof DropTarget) { 119500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)mDragInfo.cell); 119600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 1197207e40ee66fddded52a028b8f68be3605da3df37Romain Guy //final Object tag = mDragInfo.cell.getTag(); 119831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 120031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 120131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 120231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.onDropAborted(mDragInfo.cell); 120331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 120431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 120531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 120631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = null; 120731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 120831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 120931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollLeft() { 12104c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 121131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen == INVALID_SCREEN && mCurrentScreen > 0 && mScroller.isFinished()) { 121231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen - 1); 121331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 121431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 121531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollRight() { 12174c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 121831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen == INVALID_SCREEN && mCurrentScreen < getChildCount() -1 && 121931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.isFinished()) { 122031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen + 1); 122131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 122431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int getScreenForView(View v) { 122531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int result = -1; 122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v != null) { 122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ViewParent vp = v.getParent(); 122831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vp == getChildAt(i)) { 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return i; 123231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return result; 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1237138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 123831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 123931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find a search widget on the given screen 124031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 124131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Search findSearchWidget(CellLayout screen) { 124231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = screen.getChildCount(); 124331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 124431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View v = screen.getChildAt(i); 124531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v instanceof Search) { 124631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Search) v; 124731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 125031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1251138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 125231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1253138a04170d964da9cdec228e95b976875ae52481Karl Rosaen * Gets the first search widget on the current screen, if there is one. 1254138a04170d964da9cdec228e95b976875ae52481Karl Rosaen * Returns <code>null</code> otherwise. 125531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1256138a04170d964da9cdec228e95b976875ae52481Karl Rosaen public Search findSearchWidgetOnCurrentScreen() { 1257138a04170d964da9cdec228e95b976875ae52481Karl Rosaen CellLayout currentScreen = (CellLayout)getChildAt(mCurrentScreen); 1258138a04170d964da9cdec228e95b976875ae52481Karl Rosaen return findSearchWidget(currentScreen); 125931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 126131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Folder getFolderForTag(Object tag) { 126231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 126331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 126531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 126631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 126831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 126931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 127031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder f = (Folder) child; 127131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (f.getInfo() == tag) { 127231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return f; 127331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 127431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 127531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 127631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 127731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 127831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 127931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public View getViewForTag(Object tag) { 128131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 128231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 128431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 128631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 128731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getTag() == tag) { 128831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return child; 128931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 129631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True is long presses are still allowed for the current touch 129731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean allowLongPress() { 129931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mAllowLongPress; 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1301ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project 1302ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project /** 1303ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * Set true to allow long-press events to be triggered, usually checked by 1304ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * {@link Launcher} to accept or block dpad-initiated long-presses. 1305ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project */ 1306ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project public void setAllowLongPress(boolean allowLongPress) { 1307ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project mAllowLongPress = allowLongPress; 1308ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project } 130931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void removeShortcutsForPackage(String packageName) { 131131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ArrayList<View> childrenToRemove = new ArrayList<View>(); 131231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 1313574d20ec84551370987dde530c27ec493bdef564Romain Guy 131431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 131531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 131631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childCount = layout.getChildCount(); 1317574d20ec84551370987dde530c27ec493bdef564Romain Guy 131831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childrenToRemove.clear(); 1319574d20ec84551370987dde530c27ec493bdef564Romain Guy 132031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = 0; j < childCount; j++) { 132131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = layout.getChildAt(j); 132231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Object tag = view.getTag(); 1323574d20ec84551370987dde530c27ec493bdef564Romain Guy 132431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (tag instanceof ApplicationInfo) { 1325574d20ec84551370987dde530c27ec493bdef564Romain Guy final ApplicationInfo info = (ApplicationInfo) tag; 132631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 132731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 132831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // web pages.) 132931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Intent intent = info.intent; 133031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ComponentName name = intent.getComponent(); 1331574d20ec84551370987dde530c27ec493bdef564Romain Guy 133231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (Intent.ACTION_MAIN.equals(intent.getAction()) && 133331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project name != null && packageName.equals(name.getPackageName())) { 133431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.deleteItemFromDatabase(mLauncher, info); 133531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childrenToRemove.add(view); 133631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1337574d20ec84551370987dde530c27ec493bdef564Romain Guy } else if (tag instanceof UserFolderInfo) { 1338574d20ec84551370987dde530c27ec493bdef564Romain Guy final UserFolderInfo info = (UserFolderInfo) tag; 1339574d20ec84551370987dde530c27ec493bdef564Romain Guy final ArrayList<ApplicationInfo> contents = info.contents; 1340574d20ec84551370987dde530c27ec493bdef564Romain Guy final ArrayList<ApplicationInfo> toRemove = new ArrayList<ApplicationInfo>(1); 1341574d20ec84551370987dde530c27ec493bdef564Romain Guy final int contentsCount = contents.size(); 1342574d20ec84551370987dde530c27ec493bdef564Romain Guy boolean removedFromFolder = false; 1343574d20ec84551370987dde530c27ec493bdef564Romain Guy 1344574d20ec84551370987dde530c27ec493bdef564Romain Guy for (int k = 0; k < contentsCount; k++) { 1345574d20ec84551370987dde530c27ec493bdef564Romain Guy final ApplicationInfo appInfo = contents.get(k); 1346574d20ec84551370987dde530c27ec493bdef564Romain Guy final Intent intent = appInfo.intent; 1347574d20ec84551370987dde530c27ec493bdef564Romain Guy final ComponentName name = intent.getComponent(); 1348574d20ec84551370987dde530c27ec493bdef564Romain Guy 1349574d20ec84551370987dde530c27ec493bdef564Romain Guy if (Intent.ACTION_MAIN.equals(intent.getAction()) && 1350574d20ec84551370987dde530c27ec493bdef564Romain Guy name != null && packageName.equals(name.getPackageName())) { 1351574d20ec84551370987dde530c27ec493bdef564Romain Guy toRemove.add(appInfo); 1352574d20ec84551370987dde530c27ec493bdef564Romain Guy LauncherModel.deleteItemFromDatabase(mLauncher, appInfo); 1353574d20ec84551370987dde530c27ec493bdef564Romain Guy removedFromFolder = true; 1354574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1355574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1356574d20ec84551370987dde530c27ec493bdef564Romain Guy 1357574d20ec84551370987dde530c27ec493bdef564Romain Guy contents.removeAll(toRemove); 1358574d20ec84551370987dde530c27ec493bdef564Romain Guy if (removedFromFolder) { 1359574d20ec84551370987dde530c27ec493bdef564Romain Guy final Folder folder = getOpenFolder(); 1360574d20ec84551370987dde530c27ec493bdef564Romain Guy if (folder != null) folder.notifyDataSetChanged(); 1361574d20ec84551370987dde530c27ec493bdef564Romain Guy } 136231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1364574d20ec84551370987dde530c27ec493bdef564Romain Guy 136531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childCount = childrenToRemove.size(); 136631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = 0; j < childCount; j++) { 136700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato View child = childrenToRemove.get(j); 136800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato layout.removeViewInLayout(child); 136900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 137000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)child); 137100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 137231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1373574d20ec84551370987dde530c27ec493bdef564Romain Guy 137431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (childCount > 0) { 137531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.requestLayout(); 137631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.invalidate(); 137731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 137831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 137931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1380f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 1381f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project void updateShortcutsForPackage(String packageName) { 13829c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final PackageManager pm = mLauncher.getPackageManager(); 13839c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato 1384f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final int count = getChildCount(); 1385f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int i = 0; i < count; i++) { 1386f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1387f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project int childCount = layout.getChildCount(); 1388f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int j = 0; j < childCount; j++) { 1389f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final View view = layout.getChildAt(j); 1390f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Object tag = view.getTag(); 1391f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (tag instanceof ApplicationInfo) { 1392f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project ApplicationInfo info = (ApplicationInfo) tag; 1393f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 1394f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 1395f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // web pages.) 1396f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final Intent intent = info.intent; 1397f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final ComponentName name = intent.getComponent(); 1398f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 1399f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Intent.ACTION_MAIN.equals(intent.getAction()) && name != null && 1400f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project packageName.equals(name.getPackageName())) { 1401f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 14029c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final Drawable icon = AppInfoCache.getIconDrawable(pm, info); 1403f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (icon != null && icon != info.icon) { 1404f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon.setCallback(null); 14056665c0f1fec6ec0962896622986340081df992e7Joe Onorato info.icon = Utilities.createIconThumbnail(icon, mContext); 1406f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.filtered = true; 1407f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project ((TextView) view).setCompoundDrawablesWithIntrinsicBounds(null, 1408f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon, null, null); 1409f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1410f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1411f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1412f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1413f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1414f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1415f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 141631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void moveToDefaultScreen() { 141731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mDefaultScreen); 141831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mDefaultScreen).requestFocus(); 141931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 142031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14218a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy void setIndicators(Drawable previous, Drawable next) { 14228a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator = previous; 14238a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator = next; 14248a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy previous.setLevel(mCurrentScreen); 14258a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy next.setLevel(mCurrentScreen); 14268a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy } 14278a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 142831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class SavedState extends BaseSavedState { 142931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int currentScreen = -1; 143031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 143131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState(Parcelable superState) { 143231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(superState); 143331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 143431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 143531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private SavedState(Parcel in) { 143631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(in); 143731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen = in.readInt(); 143831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 143931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 144031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 144131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 144231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.writeToParcel(out, flags); 144331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project out.writeInt(currentScreen); 144431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 144531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 144631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR = 144731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new Parcelable.Creator<SavedState>() { 144831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState createFromParcel(Parcel in) { 144931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState(in); 145031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 145131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 145231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState[] newArray(int size) { 145331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState[size]; 145431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 145531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project }; 145631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1457e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 1458e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato void show() { 14597c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato setVisibility(VISIBLE); 1460e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 1461e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 1462e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato void hide() { 1463e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 146431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1465