Workspace.java revision 5c16f3ecd6b47bff3abbe40deb3d39c66a3b0012
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; 235c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guyimport android.content.pm.ProviderInfo; 2431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.res.TypedArray; 259c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onoratoimport android.content.pm.PackageManager; 2631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Canvas; 2731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 28f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.graphics.drawable.Drawable; 295c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guyimport android.net.Uri; 30080d9b614e609826dce2606f9e474af674ead933Joe Onoratoimport android.os.Parcelable; 31080d9b614e609826dce2606f9e474af674ead933Joe Onoratoimport android.os.Parcel; 3231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 3331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 3431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.VelocityTracker; 3531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 3631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewConfiguration; 3731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewParent; 3931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.widget.Scroller; 40f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.widget.TextView; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport java.util.ArrayList; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The workspace is a wide area with a wallpaper and a finite number of screens. Each 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * screen contains a number of icons, folders or widgets the user can interact with. 4731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * A workspace is meant to be used with a fixed width only. 4831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 4985a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onoratopublic class Workspace extends ViewGroup implements DropTarget, DragSource, DragScroller { 50e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 513a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato private static final String TAG = "Launcher.Workspace"; 5231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int INVALID_SCREEN = -1; 5370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 5431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 5531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The velocity at which a fling gesture will cause us to snap to the next screen 5631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 5731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int SNAP_VELOCITY = 1000; 5831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 598f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private final WallpaperManager mWallpaperManager; 608f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 6131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mDefaultScreen; 6231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private boolean mFirstLayout = true; 6431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCurrentScreen; 6631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mNextScreen = INVALID_SCREEN; 6731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Scroller mScroller; 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private VelocityTracker mVelocityTracker; 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * CellInfo for the cell that is currently being dragged 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 7331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private CellLayout.CellInfo mDragInfo; 7470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 7570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 7670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Target drop area calculated during last acceptDrop call. 7770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 7870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTargetCell = null; 7931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionX; 8131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionY; 82f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 8331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_REST = 0; 8431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_SCROLLING = 1; 8531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchState = TOUCH_STATE_REST; 8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private OnLongClickListener mLongClickListener; 8931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Launcher mLauncher; 9100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DragController mDragController; 9270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 9370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 9470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Cache of vacant cells, used during drag events and invalidated as needed. 9570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 9670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout.CellInfo mVacantCache = null; 9770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 9831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int[] mTempCell = new int[2]; 9970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTempEstimate = new int[2]; 10031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101a9c28f6f97a4b34d9527c786e3aa8f02d92d9e07Joe Onorato private boolean mAllowLongPress = true; 10231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchSlop; 104a206daaed1318005d1534cca2e4eeec56144d104Romain Guy private int mMaximumVelocity; 10531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1068a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy private Drawable mPreviousIndicator; 1078a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy private Drawable mNextIndicator; 1088a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 10931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 11131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 11231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 11331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 11431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 11531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs) { 11631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 12031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 12131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param defStyle Unused. 12531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs, int defStyle) { 12731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 12831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1298f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn mWallpaperManager = WallpaperManager.getInstance(context); 1308f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Workspace, defStyle, 0); 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDefaultScreen = a.getInt(R.styleable.Workspace_defaultScreen, 1); 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1350d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato setHapticFeedbackEnabled(false); 13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project initWorkspace(); 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 14031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Initializes various states for this workspace. 14131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 14231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void initWorkspace() { 14331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller = new Scroller(getContext()); 14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = mDefaultScreen; 14531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 14631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 147a206daaed1318005d1534cca2e4eeec56144d104Romain Guy final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 148a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mTouchSlop = configuration.getScaledTouchSlop(); 149a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 15031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 15331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 15431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 15531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 15631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index, params); 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child) { 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child); 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 16931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index) { 17031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 17131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 17231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index); 17431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 17731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int width, int height) { 17831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 17931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 18031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, width, height); 18231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, LayoutParams params) { 18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, params); 19031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 19131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 19331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The open folder on the current screen, or null if there is none 19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 19531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder getOpenFolder() { 19631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(mCurrentScreen); 19731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 19831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 19931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 20031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 20131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 20231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Folder) child; 20331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 20631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 20831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> getOpenFolders() { 20931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screens = getChildCount(); 21031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> folders = new ArrayList<Folder>(screens); 21131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screens; screen++) { 21331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(screen); 21431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 21531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 21631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 21731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 21831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 21931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project folders.add((Folder) child); 22031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 22131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return folders; 22631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean isDefaultScreenShowing() { 22931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen == mDefaultScreen; 23031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 23331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the index of the currently displayed screen. 23431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 23531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The index of the currently displayed screen. 23631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 23731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCurrentScreen() { 23831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen; 23931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 24231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Sets the current screen. 24331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 24431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param currentScreen 24531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 24631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setCurrentScreen(int currentScreen) { 247c45b16862918a0c6c253bba12032165b030565afJoe Onorato if (!mScroller.isFinished()) mScroller.abortAnimation(); 2484c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 24931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(currentScreen, getChildCount() - 1)); 25031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * getWidth(), 0); 25131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 25231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 25431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 25531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 25631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 25731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 25831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 25931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 26031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 26131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 26231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 26331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 26431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY) { 26531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, false); 26631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 26731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 26931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 27031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 27131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 27231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 27331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 27431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 27531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 27631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 27731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 27931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY, boolean insert) { 28031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, insert); 28131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 28231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 28331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 28431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 28531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 28631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 28731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 28831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 28931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 29031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 29131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 29231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 29331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 29431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) { 29531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, screen, x, y, spanX, spanY, false); 29631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 29731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 29831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 29931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 30031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 30131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 30231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 30331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 30431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 30531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 30631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 30731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 30831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 30931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 31031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) { 31131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount()); 31331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 31431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3154c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 3164c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 31731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 31831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 31931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp == null) { 32031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp = new CellLayout.LayoutParams(x, y, spanX, spanY); 32131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 32231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellX = x; 32331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellY = y; 32431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellHSpan = spanX; 32531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellVSpan = spanY; 32631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 32731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, insert ? 0 : -1, lp); 32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 3290d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato child.setHapticFeedbackEnabled(false); 33031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 33131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 33200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 33300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 33400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 33531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 33631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 33731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.CellInfo findAllVacantCells(boolean[] occupied) { 33831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 33931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 34070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return group.findAllVacantCells(occupied, null); 34131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 34431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3454c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy private void clearVacantCache() { 3464c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache != null) { 3474c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache.clearVacantCells(); 3484c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = null; 3494c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 3504c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 35131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 35231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 35331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Registers the specified listener on each screen contained in this workspace. 35431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 35531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param l The listener used to respond to long clicks. 35631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 35731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 35831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setOnLongClickListener(OnLongClickListener l) { 35931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLongClickListener = l; 36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 36131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 36231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).setOnLongClickListener(l); 36331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3668f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private void updateWallpaperOffset() { 367798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(getChildAt(getChildCount() - 1).getRight() - (mRight - mLeft)); 368798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy } 369798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy 370798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy private void updateWallpaperOffset(int scrollRange) { 371c07c79b10b663a02ef67da57bdda60a1ea299eb5Marco Nelissen mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 0 ); 37249cdb1b18c12a81cac9817c4800e43d5b507e0c4Dianne Hackborn mWallpaperManager.setWallpaperOffsets(getWindowToken(), mScrollX / (float) scrollRange, 0); 3738f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn } 3748f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 37531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 37631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void computeScroll() { 37731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScroller.computeScrollOffset()) { 37831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX = mScroller.getCurrX(); 37931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollY = mScroller.getCurrY(); 3808f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 38131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project postInvalidate(); 38231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (mNextScreen != INVALID_SCREEN) { 38331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(mNextScreen, getChildCount() - 1)); 3848a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator.setLevel(mCurrentScreen); 3858a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator.setLevel(mCurrentScreen); 38631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 38731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = INVALID_SCREEN; 38831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 38931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 39231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 39331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 3947376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project boolean restore = false; 395e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int restoreCount = 0; 396e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 39731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // ViewGroup.dispatchDraw() supports many features we don't need: 39831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // clip to padding, layout animation, animation listener, disappearing 39931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // children, etc. The following implementation attempts to fast-track 40031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // the drawing dispatch by drawing only what we know needs to be drawn. 40131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 402f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy boolean fastDraw = mTouchState != TOUCH_STATE_SCROLLING && mNextScreen == INVALID_SCREEN; 40331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are not scrolling or flinging, draw only the current screen 40431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (fastDraw) { 40531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), getDrawingTime()); 40631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 40731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final long drawingTime = getDrawingTime(); 40831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are flinging, draw only the current screen and the target screen 40931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen >= 0 && mNextScreen < getChildCount() && 41031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Math.abs(mCurrentScreen - mNextScreen) == 1) { 41131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), drawingTime); 41231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mNextScreen), drawingTime); 41331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 41431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are scrolling, draw all of our children 41531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 41631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 41731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(i), drawingTime); 41831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 41931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 42031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 4217376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 4227376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project if (restore) { 423e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato canvas.restoreToCount(restoreCount); 4247376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project } 42531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 42631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 42700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato protected void onAttachedToWindow() { 42800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato super.onAttachedToWindow(); 42900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.setWindowToken(getWindowToken()); 43000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 43100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 43231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 43331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 43431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onMeasure(widthMeasureSpec, heightMeasureSpec); 43531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 43631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int width = MeasureSpec.getSize(widthMeasureSpec); 43731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthMode = MeasureSpec.getMode(widthMeasureSpec); 43831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthMode != MeasureSpec.EXACTLY) { 43931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 44031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 44231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightMode = MeasureSpec.getMode(heightMeasureSpec); 44331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (heightMode != MeasureSpec.EXACTLY) { 44431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 44731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // The children are given the same width and height as the workspace 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 44931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 45031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec); 45131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4533a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 45431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mFirstLayout) { 4553a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(false); 45631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * width, 0); 4573a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(true); 458798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(width * (getChildCount() - 1)); 45931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mFirstLayout = false; 46031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 46131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 46231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 46331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 46431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 46531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = 0; 46631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 46731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 46831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 46931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View child = getChildAt(i); 47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != View.GONE) { 47131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int childWidth = child.getMeasuredWidth(); 47231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, 0, childLeft + childWidth, child.getMeasuredHeight()); 47331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childLeft += childWidth; 47431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 47831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 47931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 48031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen = indexOfChild(child); 48131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen != mCurrentScreen || !mScroller.isFinished()) { 48231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mLauncher.isWorkspaceLocked()) { 48331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(screen); 48431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 48631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 48831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 49131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { 492678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 49331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 49431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder != null) { 49531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return openFolder.requestFocus(direction, previouslyFocusedRect); 49631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 49731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int focusableScreen; 49831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen != INVALID_SCREEN) { 49931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mNextScreen; 50031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 50131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mCurrentScreen; 50231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(focusableScreen).requestFocus(direction, previouslyFocusedRect); 50431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 50731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 51031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 51131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 51231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() > 0) { 51331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() - 1); 51431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 51531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT) { 51731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() < getChildCount() - 1) { 51831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() + 1); 51931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 52031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return super.dispatchUnhandledMove(focused, direction); 52331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 52531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 526c2e24c0a37ddeab930f731c062705d435e477f75Romain Guy public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 527678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 52831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 52931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder == null) { 53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen).addFocusables(views, direction); 53131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen > 0) { 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen - 1).addFocusables(views, direction); 53431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT){ 53631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen < getChildCount() - 1) { 53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen + 1).addFocusables(views, direction); 53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project openFolder.addFocusables(views, direction); 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 5477bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato public boolean dispatchTouchEvent(MotionEvent ev) { 5487bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (ev.getAction() == MotionEvent.ACTION_DOWN) { 5497bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (mLauncher.isWorkspaceLocked() || mLauncher.isAllAppsVisible()) { 5507bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return false; 5517bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 5527bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 5537bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return super.dispatchTouchEvent(ev); 5547bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 5557bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato 5567bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato @Override 55731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 55868ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato final boolean workspaceLocked = mLauncher.isWorkspaceLocked(); 55968ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato final boolean allAppsVisible = mLauncher.isAllAppsVisible(); 56068ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato if (workspaceLocked || allAppsVisible) { 5617c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * This method JUST determines whether we want to intercept the motion. 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If we return true, onTouchEvent will be called and we do the actual 56731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * scrolling there. 56831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 56931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 57131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Shortcut the most recurring case: the user is in the dragging 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * state and he is moving his finger. We want to intercept this 57331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * motion. 57431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 57631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) { 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 57831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float x = ev.getX(); 58131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float y = ev.getY(); 58231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (action) { 58431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 58531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check 58731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * whether the user has moved far enough from his original down touch. 58831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 59031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 59131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Locally do absolute value. mLastMotionX is set to the y value 59231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * of the down event. 59331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 59431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int xDiff = (int) Math.abs(x - mLastMotionX); 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int yDiff = (int) Math.abs(y - mLastMotionY); 59631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 59731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int touchSlop = mTouchSlop; 59831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean xMoved = xDiff > touchSlop; 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean yMoved = yDiff > touchSlop; 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved || yMoved) { 60231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 60331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved) { 60431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll if the user moved far enough along the X axis 60531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_SCROLLING; 6063a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1); 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Either way, cancel any pending longpress 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mAllowLongPress) { 61031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Try canceling the long press. It could also have been scheduled 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // by a distant descendant, so use the mAllowLongPress flag to block 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // everything 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View currentScreen = getChildAt(mCurrentScreen); 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen.cancelLongPress(); 61631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember location of down touch 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionY = y; 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = true; 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches the screen, initiate drag; 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * otherwise don't. mScroller.isFinished should be false when 62931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * being flinged. 63031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 63131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING; 63231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 63431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 63531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 636f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 637f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (mTouchState != TOUCH_STATE_SCROLLING) { 638f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 639f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron final CellLayout currentScreen = (CellLayout)getChildAt(mCurrentScreen); 640f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (!currentScreen.lastDownOnOccupiedCell()) { 641f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron // Send a tap to the wallpaper if the last down was on empty space 642f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron mWallpaperManager.sendWallpaperCommand(getWindowToken(), 643f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron "android.wallpaper.tap", (int) ev.getX(), (int) ev.getY(), 0, null); 644f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 645f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 646f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Release the drag 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 64931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 651f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 65631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The only time we want to intercept motion events is if we are in the 65731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * drag mode. 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 65931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mTouchState != TOUCH_STATE_REST; 66031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 66131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6623a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato /** 6633a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * If one of our descendant views decides that it could be focused now, only 6643a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * pass that along if it's on the current screen. 6653a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * 6663a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * This happens when live folders requery, and if they're off screen, they 6673a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * end up calling requestFocus, which pulls it on screen. 6683a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato */ 6693a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato @Override 6703a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato public void focusableViewAvailable(View focused) { 6713a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View current = getChildAt(mCurrentScreen); 6723a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View v = focused; 6733a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato while (true) { 6743a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == current) { 6753a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato super.focusableViewAvailable(focused); 6763a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 6773a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 6783a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == this) { 6793a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 6803a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 6813a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato ViewParent parent = v.getParent(); 6823a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (parent instanceof View) { 6833a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato v = (View)v.getParent(); 6843a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } else { 6853a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 6863a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 6873a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 6883a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 6893a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato 6903a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron void enableChildrenCache(int fromScreen, int toScreen) { 6913a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron if (fromScreen > toScreen) { 6923a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron fromScreen = toScreen; 6933a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron toScreen = fromScreen; 6943a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } 6953a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 69631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 6973a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 6983a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron fromScreen = Math.max(fromScreen, 0); 6993a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron toScreen = Math.min(toScreen, count - 1); 7003a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 7013a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron for (int i = fromScreen; i <= toScreen; i++) { 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 70331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(true); 70431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawingCacheEnabled(true); 70531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 70831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void clearChildrenCache() { 70931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 71031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 71131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 71231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(false); 71331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 71431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 71531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 71731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 718f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 7192bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isWorkspaceLocked()) { 7202bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 7212bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 7222bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isAllAppsVisible()) { 7232bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato // Cancel any scrolling that is in progress. 7242bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (!mScroller.isFinished()) { 7252bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato mScroller.abortAnimation(); 7262bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 7272bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato snapToScreen(mCurrentScreen); 7287c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker == null) { 73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.addMovement(ev); 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 73731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float x = ev.getX(); 73831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (action) { 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches, stop the fling. isFinished 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * will be false if being flinged. 74431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 74531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mScroller.isFinished()) { 74631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.abortAnimation(); 74731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 74931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember where the motion event started 75031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 75131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 75231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 75331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 75431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll to follow the motion event 75531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int deltaX = (int) (mLastMotionX - x); 75631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 75731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (deltaX < 0) { 75931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScrollX > 0) { 76031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollBy(Math.max(-mScrollX, deltaX), 0); 7618f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 76331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (deltaX > 0) { 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int availableToScroll = getChildAt(getChildCount() - 1).getRight() - 76531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX - getWidth(); 76631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (availableToScroll > 0) { 76731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollBy(Math.min(availableToScroll, deltaX), 0); 7688f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 76931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 7703a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } else { 7713a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron awakenScrollBars(); 77231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 77331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 77431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 77531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 77631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 77731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final VelocityTracker velocityTracker = mVelocityTracker; 778a206daaed1318005d1534cca2e4eeec56144d104Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 77931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int velocityX = (int) velocityTracker.getXVelocity(); 78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 78131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (velocityX > SNAP_VELOCITY && mCurrentScreen > 0) { 78231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move left 78331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen - 1); 78431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (velocityX < -SNAP_VELOCITY && mCurrentScreen < getChildCount() - 1) { 78531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move right 78631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen + 1); 78731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 78831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToDestination(); 78931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 79131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker != null) { 79231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.recycle(); 79331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = null; 79431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 79731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 79831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 79931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 80031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 80331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void snapToDestination() { 80631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screenWidth = getWidth(); 80731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int whichScreen = (mScrollX + (screenWidth / 2)) / screenWidth; 80831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(whichScreen); 81031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 81131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 81231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void snapToScreen(int whichScreen) { 813e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy //if (!mScroller.isFinished()) return; 81482d94d9e9ee4eb6b14db3c8df2f47dcae5ce4ab0Romain Guy 8153a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1)); 8163a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 8174c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 8183a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron enableChildrenCache(mCurrentScreen, whichScreen); 81931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8203a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron final int screenDelta = Math.abs(whichScreen - mCurrentScreen); 82131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = whichScreen; 823e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy 824e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mPreviousIndicator.setLevel(mNextScreen); 825e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mNextIndicator.setLevel(mNextScreen); 82631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View focusedChild = getFocusedChild(); 8283a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron if (focusedChild != null && screenDelta != 0 && focusedChild == getChildAt(mCurrentScreen)) { 82931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusedChild.clearFocus(); 83031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int newX = whichScreen * getWidth(); 83331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int delta = newX - mScrollX; 8343a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron final int duration = screenDelta * 300; 8353a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron awakenScrollBars(duration); 836f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy 837f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (!mScroller.isFinished()) mScroller.abortAnimation(); 838c45b16862918a0c6c253bba12032165b030565afJoe Onorato mScroller.startScroll(mScrollX, 0, delta, 0, duration); 83931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 84031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void startDrag(CellLayout.CellInfo cellInfo) { 84331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = cellInfo.cell; 84431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Make sure the drag was started by a long press as opposed to a long click. 8467984c9496bcaeca23ee7fdecc4d4f1bb2467e0f2Bjorn Bringert if (!child.isInTouchMode()) { 84731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return; 84831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = cellInfo; 85131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo.screen = mCurrentScreen; 85231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout current = ((CellLayout) getChildAt(mCurrentScreen)); 85431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project current.onDragChild(child); 85600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.startDrag(child, this, child.getTag(), DragController.DRAG_ACTION_MOVE); 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 85831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected Parcelable onSaveInstanceState() { 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final SavedState state = new SavedState(super.onSaveInstanceState()); 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project state.currentScreen = mCurrentScreen; 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return state; 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 86831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 86931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState savedState = (SavedState) state; 87031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onRestoreInstanceState(savedState.getSuperState()); 87131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (savedState.currentScreen != -1) { 87231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = savedState.currentScreen; 87331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 87431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo) { 87831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addApplicationShortcut(info, cellInfo, false); 87931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo, 88231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 88331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(cellInfo.screen); 88431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int[] result = new int[2]; 88531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.cellToPoint(cellInfo.cellX, cellInfo.cellY, result); 88731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(result[0], result[1], info, layout, insertAtFirst); 88831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 89000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, 89100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 89270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout cellLayout = getCurrentDropLayout(); 89331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (source != this) { 89431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x - xOffset, y - yOffset, dragInfo, cellLayout); 89531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 89631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Move internally 89731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 89831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View cell = mDragInfo.cell; 89952d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 90052d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy if (index != mDragInfo.screen) { 90131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen); 90231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project originalCellLayout.removeView(cell); 90331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(cell); 90431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 905263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x - xOffset, y - yOffset, 90670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mDragInfo.spanX, mDragInfo.spanY, cell, cellLayout, mTargetCell); 90770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(cell, mTargetCell); 90831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 90984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy final ItemInfo info = (ItemInfo) cell.getTag(); 91031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams(); 91131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.moveItemInDatabase(mLauncher, info, 91252d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy LauncherSettings.Favorites.CONTAINER_DESKTOP, index, lp.cellX, lp.cellY); 91331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 91431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 91531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 91631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 91731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, 91800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 9194c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 92031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, 92300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 92431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, 92700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 9284c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 92931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 93131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout) { 93231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x, y, dragInfo, cellLayout, false); 93331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 93531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout, 93631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 93731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Drag from somewhere else 93831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ItemInfo info = (ItemInfo) dragInfo; 93931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View view; 94131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (info.itemType) { 94331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 94431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 94531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (info.container == NO_ID) { 94631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Came from all apps -- make a copy 94731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project info = new ApplicationInfo((ApplicationInfo) info); 94831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = mLauncher.createShortcut(R.layout.application, cellLayout, 95031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ApplicationInfo) info); 95131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 95231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 95331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher, 95431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ViewGroup) getChildAt(mCurrentScreen), ((UserFolderInfo) info)); 95531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 95631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project default: 95731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Unknown item type: " + info.itemType); 95831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 95931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 96031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(view, insertAtFirst ? 0 : -1); 9610d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato view.setHapticFeedbackEnabled(false); 96231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setOnLongClickListener(mLongClickListener); 96300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (view instanceof DropTarget) { 964207e40ee66fddded52a028b8f68be3605da3df37Romain Guy mDragController.addDropTarget((DropTarget) view); 96500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 96600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 967263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x, y, 1, 1, view, cellLayout, mTargetCell); 96870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(view, mTargetCell); 96931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams(); 97031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 97131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.addOrMoveItemInDatabase(mLauncher, info, 97231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherSettings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY); 97331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 97470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 97570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 97670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Return the current {@link CellLayout}, correctly picking the destination 97770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * screen while a scroll is in progress. 97870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 97970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout getCurrentDropLayout() { 98070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 98170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return (CellLayout) getChildAt(index); 98270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 98331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 98470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 98570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 98670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 98770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public boolean acceptDrop(DragSource source, int x, int y, 98800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo) { 9894c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout layout = getCurrentDropLayout(); 9904c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout.CellInfo cellInfo = mDragInfo; 9914c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 9924c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 9934c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 9944c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache == null) { 9954c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final View ignoreView = cellInfo == null ? null : cellInfo.cell; 9964c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = layout.findAllVacantCells(null, ignoreView); 9974c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 9984c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 9994c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy return mVacantCache.findCellForSpan(mTempEstimate, spanX, spanY, false); 100070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 100170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 100270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 100370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 100470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 100570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public Rect estimateDropLocation(DragSource source, int x, int y, 100600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo, Rect recycle) { 100770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout layout = getCurrentDropLayout(); 100870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 100931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout.CellInfo cellInfo = mDragInfo; 101070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 101170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 101270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final View ignoreView = cellInfo == null ? null : cellInfo.cell; 101370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 101470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final Rect location = recycle != null ? recycle : new Rect(); 101570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 101670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find drop cell and convert into rectangle 1017263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy int[] dropCell = estimateDropCell(x - xOffset, y - yOffset, 101870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, ignoreView, layout, mTempCell); 101970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 102070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (dropCell == null) { 102170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 102270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 102370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 102470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0], dropCell[1], mTempEstimate); 102570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.left = mTempEstimate[0]; 102670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.top = mTempEstimate[1]; 102770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 102870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0] + spanX, dropCell[1] + spanY, mTempEstimate); 102970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.right = mTempEstimate[0]; 103070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.bottom = mTempEstimate[1]; 103170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 103270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return location; 103331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 103570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 103670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Calculate the nearest cell where the given object would be dropped. 103770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 1038263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy private int[] estimateDropCell(int pixelX, int pixelY, 103970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) { 104070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Create vacant cell cache if none exists 104170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (mVacantCache == null) { 104270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mVacantCache = layout.findAllVacantCells(null, ignoreView); 104370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 104470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 104570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find the best target drop location 104670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return layout.findNearestVacantArea(pixelX, pixelY, 104770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, mVacantCache, recycle); 104870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 104970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 105031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setLauncher(Launcher launcher) { 105131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLauncher = launcher; 105231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 105331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 105400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setDragController(DragController dragController) { 105500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController = dragController; 105631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 105731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 105831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDropCompleted(View target, boolean success) { 1059207e40ee66fddded52a028b8f68be3605da3df37Romain Guy clearVacantCache(); 1060207e40ee66fddded52a028b8f68be3605da3df37Romain Guy 106131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (success){ 106231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (target != this && mDragInfo != null) { 106331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 106431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.removeView(mDragInfo.cell); 106500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragInfo.cell instanceof DropTarget) { 106600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)mDragInfo.cell); 106700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 1068207e40ee66fddded52a028b8f68be3605da3df37Romain Guy //final Object tag = mDragInfo.cell.getTag(); 106931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 107131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 107231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 107331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.onDropAborted(mDragInfo.cell); 107431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 107731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = null; 107831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollLeft() { 10814c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 1082f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mScroller.isFinished()) { 1083f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mCurrentScreen > 0) snapToScreen(mCurrentScreen - 1); 1084f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy } else { 1085f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mNextScreen > 0) snapToScreen(mNextScreen - 1); 108631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollRight() { 10904c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 1091f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mScroller.isFinished()) { 1092f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mCurrentScreen < getChildCount() -1) snapToScreen(mCurrentScreen + 1); 1093f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy } else { 1094f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mNextScreen < getChildCount() -1) snapToScreen(mNextScreen + 1); 109531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int getScreenForView(View v) { 109931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int result = -1; 110031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v != null) { 110131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ViewParent vp = v.getParent(); 110231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 110331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 110431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vp == getChildAt(i)) { 110531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return i; 110631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return result; 111031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1111138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Folder getFolderForTag(Object tag) { 111331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 111431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 111531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 111631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 111731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 111831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 111931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 112031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 112131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder f = (Folder) child; 112231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (f.getInfo() == tag) { 112331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return f; 112431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 112931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 113131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public View getViewForTag(Object tag) { 113231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 113331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 113431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 113531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 113631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 113731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 113831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getTag() == tag) { 113931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return child; 114031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 114431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 114631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 114731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True is long presses are still allowed for the current touch 114831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 114931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean allowLongPress() { 115031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mAllowLongPress; 115131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1152ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project 1153ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project /** 1154ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * Set true to allow long-press events to be triggered, usually checked by 1155ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * {@link Launcher} to accept or block dpad-initiated long-presses. 1156ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project */ 1157ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project public void setAllowLongPress(boolean allowLongPress) { 1158ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project mAllowLongPress = allowLongPress; 1159ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project } 116031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11615c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy void removeItemsForPackage(String packageName) { 116231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ArrayList<View> childrenToRemove = new ArrayList<View>(); 116331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 11645c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy final PackageManager manager = getContext().getPackageManager(); 1165574d20ec84551370987dde530c27ec493bdef564Romain Guy 116631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 116731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 116831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childCount = layout.getChildCount(); 1169574d20ec84551370987dde530c27ec493bdef564Romain Guy 117031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childrenToRemove.clear(); 1171574d20ec84551370987dde530c27ec493bdef564Romain Guy 117231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = 0; j < childCount; j++) { 117331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = layout.getChildAt(j); 117431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Object tag = view.getTag(); 1175574d20ec84551370987dde530c27ec493bdef564Romain Guy 117631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (tag instanceof ApplicationInfo) { 1177574d20ec84551370987dde530c27ec493bdef564Romain Guy final ApplicationInfo info = (ApplicationInfo) tag; 117831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 117931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 118031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // web pages.) 118131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Intent intent = info.intent; 118231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ComponentName name = intent.getComponent(); 1183574d20ec84551370987dde530c27ec493bdef564Romain Guy 118431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (Intent.ACTION_MAIN.equals(intent.getAction()) && 118531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project name != null && packageName.equals(name.getPackageName())) { 118631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.deleteItemFromDatabase(mLauncher, info); 118731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childrenToRemove.add(view); 118831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1189574d20ec84551370987dde530c27ec493bdef564Romain Guy } else if (tag instanceof UserFolderInfo) { 1190574d20ec84551370987dde530c27ec493bdef564Romain Guy final UserFolderInfo info = (UserFolderInfo) tag; 1191574d20ec84551370987dde530c27ec493bdef564Romain Guy final ArrayList<ApplicationInfo> contents = info.contents; 1192574d20ec84551370987dde530c27ec493bdef564Romain Guy final ArrayList<ApplicationInfo> toRemove = new ArrayList<ApplicationInfo>(1); 1193574d20ec84551370987dde530c27ec493bdef564Romain Guy final int contentsCount = contents.size(); 1194574d20ec84551370987dde530c27ec493bdef564Romain Guy boolean removedFromFolder = false; 1195574d20ec84551370987dde530c27ec493bdef564Romain Guy 1196574d20ec84551370987dde530c27ec493bdef564Romain Guy for (int k = 0; k < contentsCount; k++) { 1197574d20ec84551370987dde530c27ec493bdef564Romain Guy final ApplicationInfo appInfo = contents.get(k); 1198574d20ec84551370987dde530c27ec493bdef564Romain Guy final Intent intent = appInfo.intent; 1199574d20ec84551370987dde530c27ec493bdef564Romain Guy final ComponentName name = intent.getComponent(); 1200574d20ec84551370987dde530c27ec493bdef564Romain Guy 1201574d20ec84551370987dde530c27ec493bdef564Romain Guy if (Intent.ACTION_MAIN.equals(intent.getAction()) && 1202574d20ec84551370987dde530c27ec493bdef564Romain Guy name != null && packageName.equals(name.getPackageName())) { 1203574d20ec84551370987dde530c27ec493bdef564Romain Guy toRemove.add(appInfo); 1204574d20ec84551370987dde530c27ec493bdef564Romain Guy LauncherModel.deleteItemFromDatabase(mLauncher, appInfo); 1205574d20ec84551370987dde530c27ec493bdef564Romain Guy removedFromFolder = true; 1206574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1207574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1208574d20ec84551370987dde530c27ec493bdef564Romain Guy 1209574d20ec84551370987dde530c27ec493bdef564Romain Guy contents.removeAll(toRemove); 1210574d20ec84551370987dde530c27ec493bdef564Romain Guy if (removedFromFolder) { 1211574d20ec84551370987dde530c27ec493bdef564Romain Guy final Folder folder = getOpenFolder(); 1212574d20ec84551370987dde530c27ec493bdef564Romain Guy if (folder != null) folder.notifyDataSetChanged(); 1213574d20ec84551370987dde530c27ec493bdef564Romain Guy } 12145c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy } else if (tag instanceof LiveFolderInfo) { 12155c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy final LiveFolderInfo info = (LiveFolderInfo) tag; 12165c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy final Uri uri = info.uri; 12175c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy final ProviderInfo providerInfo = manager.resolveContentProvider( 12185c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy uri.getAuthority(), 0); 12195c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy if (providerInfo == null || packageName.equals(providerInfo.packageName)) { 12205c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy LauncherModel.deleteItemFromDatabase(mLauncher, info); 12215c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy childrenToRemove.add(view); 12225c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy } 122331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1225574d20ec84551370987dde530c27ec493bdef564Romain Guy 122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childCount = childrenToRemove.size(); 122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = 0; j < childCount; j++) { 122800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato View child = childrenToRemove.get(j); 122900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato layout.removeViewInLayout(child); 123000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 123100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)child); 123200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1234574d20ec84551370987dde530c27ec493bdef564Romain Guy 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (childCount > 0) { 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.requestLayout(); 123731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.invalidate(); 123831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1241f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 1242f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project void updateShortcutsForPackage(String packageName) { 12439c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final PackageManager pm = mLauncher.getPackageManager(); 12449c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato 1245f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final int count = getChildCount(); 1246f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int i = 0; i < count; i++) { 1247f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1248f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project int childCount = layout.getChildCount(); 1249f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int j = 0; j < childCount; j++) { 1250f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final View view = layout.getChildAt(j); 1251f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Object tag = view.getTag(); 1252f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (tag instanceof ApplicationInfo) { 1253f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project ApplicationInfo info = (ApplicationInfo) tag; 1254f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 1255f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 1256f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // web pages.) 1257f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final Intent intent = info.intent; 1258f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final ComponentName name = intent.getComponent(); 1259f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 1260f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Intent.ACTION_MAIN.equals(intent.getAction()) && name != null && 1261f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project packageName.equals(name.getPackageName())) { 1262f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 12639c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final Drawable icon = AppInfoCache.getIconDrawable(pm, info); 1264f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (icon != null && icon != info.icon) { 1265f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon.setCallback(null); 12666665c0f1fec6ec0962896622986340081df992e7Joe Onorato info.icon = Utilities.createIconThumbnail(icon, mContext); 1267f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.filtered = true; 1268f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project ((TextView) view).setCompoundDrawablesWithIntrinsicBounds(null, 1269f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon, null, null); 1270f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1271f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1272f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1273f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1274f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1275f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1276f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 127714f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato void moveToDefaultScreen(boolean animate) { 1278c45b16862918a0c6c253bba12032165b030565afJoe Onorato if (animate) { 1279c45b16862918a0c6c253bba12032165b030565afJoe Onorato snapToScreen(mDefaultScreen); 1280c45b16862918a0c6c253bba12032165b030565afJoe Onorato } else { 1281c45b16862918a0c6c253bba12032165b030565afJoe Onorato setCurrentScreen(mDefaultScreen); 1282c45b16862918a0c6c253bba12032165b030565afJoe Onorato } 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mDefaultScreen).requestFocus(); 128431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12868a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy void setIndicators(Drawable previous, Drawable next) { 12878a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator = previous; 12888a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator = next; 12898a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy previous.setLevel(mCurrentScreen); 12908a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy next.setLevel(mCurrentScreen); 12918a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy } 12928a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class SavedState extends BaseSavedState { 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int currentScreen = -1; 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 129631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState(Parcelable superState) { 129731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(superState); 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private SavedState(Parcel in) { 130131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(in); 130231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen = in.readInt(); 130331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 130631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 130731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.writeToParcel(out, flags); 130831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project out.writeInt(currentScreen); 130931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR = 131231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new Parcelable.Creator<SavedState>() { 131331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState createFromParcel(Parcel in) { 131431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState(in); 131531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState[] newArray(int size) { 131831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState[size]; 131931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 132031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project }; 132131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 132231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1323