Workspace.java revision 7984c9496bcaeca23ee7fdecc4d4f1bb2467e0f2
131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/* 231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * you may not use this file except in compliance with the License. 631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * You may obtain a copy of the License at 731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 1031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 1131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 1231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * See the License for the specific language governing permissions and 1431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * limitations under the License. 1531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17a5902524d4403885eb4c50360bf3465c6be796efJoe Onoratopackage com.android.launcher2; 1831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 198f573952b8729b4319043ae0908997ecd2d68951Dianne Hackbornimport android.app.WallpaperManager; 2031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Intent; 2231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.ComponentName; 2331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.res.TypedArray; 249c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onoratoimport android.content.pm.PackageManager; 2531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Canvas; 2631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 27f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.graphics.drawable.Drawable; 28080d9b614e609826dce2606f9e474af674ead933Joe Onoratoimport android.os.Parcelable; 29080d9b614e609826dce2606f9e474af674ead933Joe Onoratoimport android.os.Parcel; 3031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 3168ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onoratoimport android.util.Log; 3231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 3331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.VelocityTracker; 3431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 3531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewConfiguration; 3631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 3731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewParent; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.widget.Scroller; 39f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.widget.TextView; 4031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport java.util.ArrayList; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The workspace is a wide area with a wallpaper and a finite number of screens. Each 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * screen contains a number of icons, folders or widgets the user can interact with. 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * A workspace is meant to be used with a fixed width only. 4731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 4885a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onoratopublic class Workspace extends ViewGroup implements DropTarget, DragSource, DragScroller { 49e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 503a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato private static final String TAG = "Launcher.Workspace"; 5131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int INVALID_SCREEN = -1; 5270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 5431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The velocity at which a fling gesture will cause us to snap to the next screen 5531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 5631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int SNAP_VELOCITY = 1000; 5731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 588f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private final WallpaperManager mWallpaperManager; 598f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 6031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mDefaultScreen; 6131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private boolean mFirstLayout = true; 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCurrentScreen; 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mNextScreen = INVALID_SCREEN; 6631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Scroller mScroller; 6731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private VelocityTracker mVelocityTracker; 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * CellInfo for the cell that is currently being dragged 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private CellLayout.CellInfo mDragInfo; 7370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 7470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 7570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Target drop area calculated during last acceptDrop call. 7670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 7770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTargetCell = null; 7831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionX; 8031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionY; 81f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 8231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_REST = 0; 8331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_SCROLLING = 1; 8431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchState = TOUCH_STATE_REST; 8631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private OnLongClickListener mLongClickListener; 8831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Launcher mLauncher; 9000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DragController mDragController; 9170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 9270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 9370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Cache of vacant cells, used during drag events and invalidated as needed. 9470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 9570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout.CellInfo mVacantCache = null; 9670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 9731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int[] mTempCell = new int[2]; 9870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTempEstimate = new int[2]; 9931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100a9c28f6f97a4b34d9527c786e3aa8f02d92d9e07Joe Onorato private boolean mAllowLongPress = true; 10131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchSlop; 103a206daaed1318005d1534cca2e4eeec56144d104Romain Guy private int mMaximumVelocity; 10431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1058a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy private Drawable mPreviousIndicator; 1068a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy private Drawable mNextIndicator; 1078a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 10831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 10931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 11031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 11131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 11231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 11331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 11431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs) { 11531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 11631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 12031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 12131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param defStyle Unused. 12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs, int defStyle) { 12631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 12731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1288f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn mWallpaperManager = WallpaperManager.getInstance(context); 1298f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Workspace, defStyle, 0); 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDefaultScreen = a.getInt(R.styleable.Workspace_defaultScreen, 1); 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1340d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato setHapticFeedbackEnabled(false); 13531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project initWorkspace(); 13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 13931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Initializes various states for this workspace. 14031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 14131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void initWorkspace() { 14231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller = new Scroller(getContext()); 14331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = mDefaultScreen; 14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 14531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 146a206daaed1318005d1534cca2e4eeec56144d104Romain Guy final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 147a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mTouchSlop = configuration.getScaledTouchSlop(); 148a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 14931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 15231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 15331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 15431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 15531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index, params); 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child) { 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child); 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 16831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index) { 16931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 17031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 17131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index); 17331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 17631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int width, int height) { 17731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 17831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 17931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, width, height); 18131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 18431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, LayoutParams params) { 18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, params); 18931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 19031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 19231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The open folder on the current screen, or null if there is none 19331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder getOpenFolder() { 19531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(mCurrentScreen); 19631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 19731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 19831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 19931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 20031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 20131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Folder) child; 20231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 20531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 20731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> getOpenFolders() { 20831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screens = getChildCount(); 20931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> folders = new ArrayList<Folder>(screens); 21031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screens; screen++) { 21231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(screen); 21331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 21431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 21531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 21631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 21731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 21831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project folders.add((Folder) child); 21931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 22031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return folders; 22531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean isDefaultScreenShowing() { 22831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen == mDefaultScreen; 22931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 23231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the index of the currently displayed screen. 23331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 23431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The index of the currently displayed screen. 23531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 23631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCurrentScreen() { 23731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen; 23831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 24131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Sets the current screen. 24231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 24331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param currentScreen 24431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 24531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setCurrentScreen(int currentScreen) { 2464c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 24731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(currentScreen, getChildCount() - 1)); 24831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * getWidth(), 0); 24931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 25031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 25231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 25331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 25431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 25531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 25631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 25731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 25831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 25931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 26031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 26131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 26231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY) { 26331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, false); 26431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 26531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 26731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 26831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 26931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 27031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 27131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 27231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 27331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 27431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 27531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 27631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 27731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY, boolean insert) { 27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, insert); 27931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 28031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 28131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 28231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 28331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 28431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 28531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 28631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 28731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 28831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 28931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 29031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 29131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 29231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) { 29331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, screen, x, y, spanX, spanY, false); 29431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 29531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 29631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 29731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 29831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 29931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 30031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 30131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 30231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 30331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 30431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 30531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 30631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 30731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 30831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) { 30931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 31031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount()); 31131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3134c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 3144c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 31531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 31631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 31731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp == null) { 31831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp = new CellLayout.LayoutParams(x, y, spanX, spanY); 31931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 32031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellX = x; 32131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellY = y; 32231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellHSpan = spanX; 32331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellVSpan = spanY; 32431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 32531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, insert ? 0 : -1, lp); 32631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 3270d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato child.setHapticFeedbackEnabled(false); 32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 32931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 33000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 33100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 33200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 33331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 33431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 33531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.CellInfo findAllVacantCells(boolean[] occupied) { 33631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 33731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 33870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return group.findAllVacantCells(occupied, null); 33931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 34031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 34131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3434c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy private void clearVacantCache() { 3444c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache != null) { 3454c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache.clearVacantCells(); 3464c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = null; 3474c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 3484c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 34931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 35031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 35131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Registers the specified listener on each screen contained in this workspace. 35231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 35331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param l The listener used to respond to long clicks. 35431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 35531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 35631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setOnLongClickListener(OnLongClickListener l) { 35731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLongClickListener = l; 35831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 35931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).setOnLongClickListener(l); 36131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3648f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private void updateWallpaperOffset() { 365798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(getChildAt(getChildCount() - 1).getRight() - (mRight - mLeft)); 366798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy } 367798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy 368798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy private void updateWallpaperOffset(int scrollRange) { 369c07c79b10b663a02ef67da57bdda60a1ea299eb5Marco Nelissen mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 0 ); 37049cdb1b18c12a81cac9817c4800e43d5b507e0c4Dianne Hackborn mWallpaperManager.setWallpaperOffsets(getWindowToken(), mScrollX / (float) scrollRange, 0); 3718f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn } 3728f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 37331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 37431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void computeScroll() { 37531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScroller.computeScrollOffset()) { 37631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX = mScroller.getCurrX(); 37731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollY = mScroller.getCurrY(); 3788f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 37931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project postInvalidate(); 38031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (mNextScreen != INVALID_SCREEN) { 38131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(mNextScreen, getChildCount() - 1)); 3828a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator.setLevel(mCurrentScreen); 3838a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator.setLevel(mCurrentScreen); 38431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 38531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = INVALID_SCREEN; 38631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 38731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 39031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 39131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 3927376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project boolean restore = false; 393e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int restoreCount = 0; 394e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 39531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // ViewGroup.dispatchDraw() supports many features we don't need: 39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // clip to padding, layout animation, animation listener, disappearing 39731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // children, etc. The following implementation attempts to fast-track 39831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // the drawing dispatch by drawing only what we know needs to be drawn. 39931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 400f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy boolean fastDraw = mTouchState != TOUCH_STATE_SCROLLING && mNextScreen == INVALID_SCREEN; 40131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are not scrolling or flinging, draw only the current screen 40231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (fastDraw) { 40331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), getDrawingTime()); 40431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 40531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final long drawingTime = getDrawingTime(); 40631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are flinging, draw only the current screen and the target screen 40731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen >= 0 && mNextScreen < getChildCount() && 40831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Math.abs(mCurrentScreen - mNextScreen) == 1) { 40931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), drawingTime); 41031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mNextScreen), drawingTime); 41131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 41231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are scrolling, draw all of our children 41331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 41431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 41531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(i), drawingTime); 41631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 41731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 41831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 4197376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 4207376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project if (restore) { 421e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato canvas.restoreToCount(restoreCount); 4227376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project } 42331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 42431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 42500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato protected void onAttachedToWindow() { 42600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato super.onAttachedToWindow(); 42700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.setWindowToken(getWindowToken()); 42800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 42900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 43031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 43131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 43231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onMeasure(widthMeasureSpec, heightMeasureSpec); 43331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 43431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int width = MeasureSpec.getSize(widthMeasureSpec); 43531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthMode = MeasureSpec.getMode(widthMeasureSpec); 43631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthMode != MeasureSpec.EXACTLY) { 43731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 43831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 43931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 44031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightMode = MeasureSpec.getMode(heightMeasureSpec); 44131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (heightMode != MeasureSpec.EXACTLY) { 44231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 44331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // The children are given the same width and height as the workspace 44631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 44731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec); 44931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4513a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 45231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mFirstLayout) { 4533a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(false); 45431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * width, 0); 4553a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(true); 456798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(width * (getChildCount() - 1)); 45731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mFirstLayout = false; 45831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 46031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 46131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 46231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 46331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = 0; 46431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 46531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 46631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 46731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View child = getChildAt(i); 46831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != View.GONE) { 46931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int childWidth = child.getMeasuredWidth(); 47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, 0, childLeft + childWidth, child.getMeasuredHeight()); 47131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childLeft += childWidth; 47231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 47631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 47731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 47831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen = indexOfChild(child); 47931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen != mCurrentScreen || !mScroller.isFinished()) { 48031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mLauncher.isWorkspaceLocked()) { 48131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(screen); 48231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 48431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 48631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 48831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 48931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { 490678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 49131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 49231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder != null) { 49331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return openFolder.requestFocus(direction, previouslyFocusedRect); 49431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 49531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int focusableScreen; 49631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen != INVALID_SCREEN) { 49731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mNextScreen; 49831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 49931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mCurrentScreen; 50031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(focusableScreen).requestFocus(direction, previouslyFocusedRect); 50231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 50531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 50831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 50931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 51031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() > 0) { 51131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() - 1); 51231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 51331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT) { 51531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() < getChildCount() - 1) { 51631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() + 1); 51731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 51831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return super.dispatchUnhandledMove(focused, direction); 52131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 52331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 524c2e24c0a37ddeab930f731c062705d435e477f75Romain Guy public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 525678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 52631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 52731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder == null) { 52831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen).addFocusables(views, direction); 52931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen > 0) { 53131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen - 1).addFocusables(views, direction); 53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT){ 53431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen < getChildCount() - 1) { 53531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen + 1).addFocusables(views, direction); 53631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project openFolder.addFocusables(views, direction); 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 5457bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato public boolean dispatchTouchEvent(MotionEvent ev) { 5467bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (ev.getAction() == MotionEvent.ACTION_DOWN) { 5477bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (mLauncher.isWorkspaceLocked() || mLauncher.isAllAppsVisible()) { 5487bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return false; 5497bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 5507bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 5517bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return super.dispatchTouchEvent(ev); 5527bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 5537bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato 5547bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato @Override 55531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 55668ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato final boolean workspaceLocked = mLauncher.isWorkspaceLocked(); 55768ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato final boolean allAppsVisible = mLauncher.isAllAppsVisible(); 55868ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato if (workspaceLocked || allAppsVisible) { 5597c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 56031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 56331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * This method JUST determines whether we want to intercept the motion. 56431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If we return true, onTouchEvent will be called and we do the actual 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * scrolling there. 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 56731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 56931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Shortcut the most recurring case: the user is in the dragging 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * state and he is moving his finger. We want to intercept this 57131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * motion. 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 57331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 57431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) { 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 57631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 57831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float x = ev.getX(); 57931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float y = ev.getY(); 58031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (action) { 58231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 58331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 58431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check 58531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * whether the user has moved far enough from his original down touch. 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 58731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Locally do absolute value. mLastMotionX is set to the y value 59031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * of the down event. 59131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 59231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int xDiff = (int) Math.abs(x - mLastMotionX); 59331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int yDiff = (int) Math.abs(y - mLastMotionY); 59431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int touchSlop = mTouchSlop; 59631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean xMoved = xDiff > touchSlop; 59731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean yMoved = yDiff > touchSlop; 59831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved || yMoved) { 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved) { 60231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll if the user moved far enough along the X axis 60331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_SCROLLING; 6043a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1); 60531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Either way, cancel any pending longpress 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mAllowLongPress) { 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Try canceling the long press. It could also have been scheduled 61031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // by a distant descendant, so use the mAllowLongPress flag to block 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // everything 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View currentScreen = getChildAt(mCurrentScreen); 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen.cancelLongPress(); 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 61731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember location of down touch 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionY = y; 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = true; 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches the screen, initiate drag; 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * otherwise don't. mScroller.isFinished should be false when 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * being flinged. 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 62931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING; 63031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 63131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 63231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 634f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 635f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (mTouchState != TOUCH_STATE_SCROLLING) { 636f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 637f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron final CellLayout currentScreen = (CellLayout)getChildAt(mCurrentScreen); 638f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (!currentScreen.lastDownOnOccupiedCell()) { 639f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron // Send a tap to the wallpaper if the last down was on empty space 640f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron mWallpaperManager.sendWallpaperCommand(getWindowToken(), 641f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron "android.wallpaper.tap", (int) ev.getX(), (int) ev.getY(), 0, null); 642f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 643f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 644f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Release the drag 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 649f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The only time we want to intercept motion events is if we are in the 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * drag mode. 65631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 65731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mTouchState != TOUCH_STATE_REST; 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6603a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato /** 6613a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * If one of our descendant views decides that it could be focused now, only 6623a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * pass that along if it's on the current screen. 6633a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * 6643a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * This happens when live folders requery, and if they're off screen, they 6653a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * end up calling requestFocus, which pulls it on screen. 6663a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato */ 6673a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato @Override 6683a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato public void focusableViewAvailable(View focused) { 6693a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View current = getChildAt(mCurrentScreen); 6703a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View v = focused; 6713a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato while (true) { 6723a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == current) { 6733a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato super.focusableViewAvailable(focused); 6743a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 6753a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 6763a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == this) { 6773a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 6783a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 6793a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato ViewParent parent = v.getParent(); 6803a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (parent instanceof View) { 6813a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato v = (View)v.getParent(); 6823a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } else { 6833a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 6843a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 6853a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 6863a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 6873a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato 6883a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron void enableChildrenCache(int fromScreen, int toScreen) { 6893a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron if (fromScreen > toScreen) { 6903a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron fromScreen = toScreen; 6913a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron toScreen = fromScreen; 6923a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } 6933a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 69431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 6953a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 6963a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron fromScreen = Math.max(fromScreen, 0); 6973a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron toScreen = Math.min(toScreen, count - 1); 6983a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 6993a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron for (int i = fromScreen; i <= toScreen; i++) { 70031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 70131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(true); 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawingCacheEnabled(true); 70331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 70631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void clearChildrenCache() { 70731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 70831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 70931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 71031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(false); 71131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 71231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 71331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 71531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 716f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 7172bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isWorkspaceLocked()) { 7182bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 7192bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 7202bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isAllAppsVisible()) { 7212bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato // Cancel any scrolling that is in progress. 7222bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (!mScroller.isFinished()) { 7232bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato mScroller.abortAnimation(); 7242bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 7252bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato snapToScreen(mCurrentScreen); 7267c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 72831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker == null) { 73031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.addMovement(ev); 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float x = ev.getX(); 73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (action) { 73831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches, stop the fling. isFinished 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * will be false if being flinged. 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mScroller.isFinished()) { 74431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.abortAnimation(); 74531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 74731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember where the motion event started 74831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 74931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 75031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 75131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 75231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll to follow the motion event 75331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int deltaX = (int) (mLastMotionX - x); 75431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 75531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (deltaX < 0) { 75731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScrollX > 0) { 75831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollBy(Math.max(-mScrollX, deltaX), 0); 7598f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 76031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 76131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (deltaX > 0) { 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int availableToScroll = getChildAt(getChildCount() - 1).getRight() - 76331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX - getWidth(); 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (availableToScroll > 0) { 76531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollBy(Math.min(availableToScroll, deltaX), 0); 7668f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 76731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 7683a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } else { 7693a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron awakenScrollBars(); 77031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 77131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 77231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 77331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 77431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 77531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final VelocityTracker velocityTracker = mVelocityTracker; 776a206daaed1318005d1534cca2e4eeec56144d104Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 77731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int velocityX = (int) velocityTracker.getXVelocity(); 77831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 77931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (velocityX > SNAP_VELOCITY && mCurrentScreen > 0) { 78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move left 78131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen - 1); 78231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (velocityX < -SNAP_VELOCITY && mCurrentScreen < getChildCount() - 1) { 78331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move right 78431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen + 1); 78531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 78631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToDestination(); 78731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 78831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 78931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker != null) { 79031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.recycle(); 79131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = null; 79231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 79531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 79631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 79731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 79831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 80131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void snapToDestination() { 80431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screenWidth = getWidth(); 80531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int whichScreen = (mScrollX + (screenWidth / 2)) / screenWidth; 80631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(whichScreen); 80831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 81031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void snapToScreen(int whichScreen) { 81114f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato snapToScreen(whichScreen, true); 81214f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato } 81314f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato 81414f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato void snapToScreen(int whichScreen, boolean animate) { 815e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy //if (!mScroller.isFinished()) return; 81682d94d9e9ee4eb6b14db3c8df2f47dcae5ce4ab0Romain Guy 8173a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1)); 8183a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 8194c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 8203a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron enableChildrenCache(mCurrentScreen, whichScreen); 82131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8223a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron final int screenDelta = Math.abs(whichScreen - mCurrentScreen); 82331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = whichScreen; 825e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy 826e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mPreviousIndicator.setLevel(mNextScreen); 827e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mNextIndicator.setLevel(mNextScreen); 82831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View focusedChild = getFocusedChild(); 8303a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron if (focusedChild != null && screenDelta != 0 && focusedChild == getChildAt(mCurrentScreen)) { 83131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusedChild.clearFocus(); 83231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int newX = whichScreen * getWidth(); 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int delta = newX - mScrollX; 8363a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron final int duration = screenDelta * 300; 8373a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron awakenScrollBars(duration); 838f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy 83914f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato // 1ms is close to don't animate 840f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (!mScroller.isFinished()) mScroller.abortAnimation(); 84114f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato mScroller.startScroll(mScrollX, 0, delta, 0, animate ? duration : 1); 84231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 84331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void startDrag(CellLayout.CellInfo cellInfo) { 84631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = cellInfo.cell; 84731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Make sure the drag was started by a long press as opposed to a long click. 8497984c9496bcaeca23ee7fdecc4d4f1bb2467e0f2Bjorn Bringert if (!child.isInTouchMode()) { 85031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return; 85131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = cellInfo; 85431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo.screen = mCurrentScreen; 85531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout current = ((CellLayout) getChildAt(mCurrentScreen)); 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project current.onDragChild(child); 85900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.startDrag(child, this, child.getTag(), DragController.DRAG_ACTION_MOVE); 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected Parcelable onSaveInstanceState() { 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final SavedState state = new SavedState(super.onSaveInstanceState()); 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project state.currentScreen = mCurrentScreen; 86731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return state; 86831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 87131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 87231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState savedState = (SavedState) state; 87331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onRestoreInstanceState(savedState.getSuperState()); 87431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (savedState.currentScreen != -1) { 87531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = savedState.currentScreen; 87631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 87731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo) { 88131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addApplicationShortcut(info, cellInfo, false); 88231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo, 88531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 88631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(cellInfo.screen); 88731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int[] result = new int[2]; 88831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.cellToPoint(cellInfo.cellX, cellInfo.cellY, result); 89031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(result[0], result[1], info, layout, insertAtFirst); 89131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 89300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, 89400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 89570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout cellLayout = getCurrentDropLayout(); 89631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (source != this) { 89731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x - xOffset, y - yOffset, dragInfo, cellLayout); 89831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 89931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Move internally 90031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 90131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View cell = mDragInfo.cell; 90252d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 90352d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy if (index != mDragInfo.screen) { 90431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen); 90531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project originalCellLayout.removeView(cell); 90631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(cell); 90731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 908263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x - xOffset, y - yOffset, 90970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mDragInfo.spanX, mDragInfo.spanY, cell, cellLayout, mTargetCell); 91070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(cell, mTargetCell); 91131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 91284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy final ItemInfo info = (ItemInfo) cell.getTag(); 91331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams(); 91431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.moveItemInDatabase(mLauncher, info, 91552d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy LauncherSettings.Favorites.CONTAINER_DESKTOP, index, lp.cellX, lp.cellY); 91631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 91731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 91831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 91931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, 92100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 9224c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 92331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, 92600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 92731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, 93000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 9314c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 93231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 93431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout) { 93531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x, y, dragInfo, cellLayout, false); 93631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 93831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout, 93931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 94031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Drag from somewhere else 94131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ItemInfo info = (ItemInfo) dragInfo; 94231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View view; 94431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (info.itemType) { 94631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 94731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 94831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (info.container == NO_ID) { 94931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Came from all apps -- make a copy 95031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project info = new ApplicationInfo((ApplicationInfo) info); 95131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 95231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = mLauncher.createShortcut(R.layout.application, cellLayout, 95331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ApplicationInfo) info); 95431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 95531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 95631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher, 95731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ViewGroup) getChildAt(mCurrentScreen), ((UserFolderInfo) info)); 95831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 95931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project default: 96031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Unknown item type: " + info.itemType); 96131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 96231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 96331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(view, insertAtFirst ? 0 : -1); 9640d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato view.setHapticFeedbackEnabled(false); 96531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setOnLongClickListener(mLongClickListener); 96600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (view instanceof DropTarget) { 967207e40ee66fddded52a028b8f68be3605da3df37Romain Guy mDragController.addDropTarget((DropTarget) view); 96800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 96900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 970263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x, y, 1, 1, view, cellLayout, mTargetCell); 97170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(view, mTargetCell); 97231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams(); 97331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 97431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.addOrMoveItemInDatabase(mLauncher, info, 97531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherSettings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY); 97631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 97770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 97870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 97970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Return the current {@link CellLayout}, correctly picking the destination 98070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * screen while a scroll is in progress. 98170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 98270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout getCurrentDropLayout() { 98370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 98470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return (CellLayout) getChildAt(index); 98570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 98631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 98770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 98870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 98970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 99070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public boolean acceptDrop(DragSource source, int x, int y, 99100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo) { 9924c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout layout = getCurrentDropLayout(); 9934c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout.CellInfo cellInfo = mDragInfo; 9944c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 9954c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 9964c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 9974c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache == null) { 9984c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final View ignoreView = cellInfo == null ? null : cellInfo.cell; 9994c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = layout.findAllVacantCells(null, ignoreView); 10004c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 10014c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 10024c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy return mVacantCache.findCellForSpan(mTempEstimate, spanX, spanY, false); 100370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 100470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 100570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 100670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 100770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 100870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public Rect estimateDropLocation(DragSource source, int x, int y, 100900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo, Rect recycle) { 101070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout layout = getCurrentDropLayout(); 101170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 101231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout.CellInfo cellInfo = mDragInfo; 101370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 101470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 101570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final View ignoreView = cellInfo == null ? null : cellInfo.cell; 101670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 101770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final Rect location = recycle != null ? recycle : new Rect(); 101870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 101970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find drop cell and convert into rectangle 1020263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy int[] dropCell = estimateDropCell(x - xOffset, y - yOffset, 102170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, ignoreView, layout, mTempCell); 102270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 102370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (dropCell == null) { 102470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 102570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 102670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 102770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0], dropCell[1], mTempEstimate); 102870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.left = mTempEstimate[0]; 102970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.top = mTempEstimate[1]; 103070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 103170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0] + spanX, dropCell[1] + spanY, mTempEstimate); 103270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.right = mTempEstimate[0]; 103370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.bottom = mTempEstimate[1]; 103470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 103570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return location; 103631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 103870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 103970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Calculate the nearest cell where the given object would be dropped. 104070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 1041263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy private int[] estimateDropCell(int pixelX, int pixelY, 104270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) { 104370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Create vacant cell cache if none exists 104470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (mVacantCache == null) { 104570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mVacantCache = layout.findAllVacantCells(null, ignoreView); 104670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 104770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 104870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find the best target drop location 104970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return layout.findNearestVacantArea(pixelX, pixelY, 105070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, mVacantCache, recycle); 105170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 105270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 105331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setLauncher(Launcher launcher) { 105431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLauncher = launcher; 105531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 105631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 105700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setDragController(DragController dragController) { 105800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController = dragController; 105931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 106031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 106131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDropCompleted(View target, boolean success) { 1062207e40ee66fddded52a028b8f68be3605da3df37Romain Guy clearVacantCache(); 1063207e40ee66fddded52a028b8f68be3605da3df37Romain Guy 106431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (success){ 106531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (target != this && mDragInfo != null) { 106631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 106731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.removeView(mDragInfo.cell); 106800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragInfo.cell instanceof DropTarget) { 106900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)mDragInfo.cell); 107000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 1071207e40ee66fddded52a028b8f68be3605da3df37Romain Guy //final Object tag = mDragInfo.cell.getTag(); 107231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 107431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 107531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 107631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.onDropAborted(mDragInfo.cell); 107731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = null; 108131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollLeft() { 10844c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 1085f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mScroller.isFinished()) { 1086f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mCurrentScreen > 0) snapToScreen(mCurrentScreen - 1); 1087f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy } else { 1088f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mNextScreen > 0) snapToScreen(mNextScreen - 1); 108931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollRight() { 10934c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 1094f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mScroller.isFinished()) { 1095f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mCurrentScreen < getChildCount() -1) snapToScreen(mCurrentScreen + 1); 1096f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy } else { 1097f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mNextScreen < getChildCount() -1) snapToScreen(mNextScreen + 1); 109831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 110131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int getScreenForView(View v) { 110231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int result = -1; 110331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v != null) { 110431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ViewParent vp = v.getParent(); 110531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 110631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 110731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vp == getChildAt(i)) { 110831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return i; 110931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return result; 111331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1114138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 111531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Folder getFolderForTag(Object tag) { 111631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 111731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 111831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 111931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 112031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 112131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 112231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 112331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 112431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder f = (Folder) child; 112531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (f.getInfo() == tag) { 112631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return f; 112731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 113231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 113431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public View getViewForTag(Object tag) { 113531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 113631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 113731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 113831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 113931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 114031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 114131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getTag() == tag) { 114231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return child; 114331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 114731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 114931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 115031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True is long presses are still allowed for the current touch 115131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 115231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean allowLongPress() { 115331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mAllowLongPress; 115431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1155ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project 1156ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project /** 1157ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * Set true to allow long-press events to be triggered, usually checked by 1158ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * {@link Launcher} to accept or block dpad-initiated long-presses. 1159ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project */ 1160ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project public void setAllowLongPress(boolean allowLongPress) { 1161ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project mAllowLongPress = allowLongPress; 1162ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project } 116331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 116431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void removeShortcutsForPackage(String packageName) { 116531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ArrayList<View> childrenToRemove = new ArrayList<View>(); 116631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 1167574d20ec84551370987dde530c27ec493bdef564Romain Guy 116831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 116931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 117031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childCount = layout.getChildCount(); 1171574d20ec84551370987dde530c27ec493bdef564Romain Guy 117231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childrenToRemove.clear(); 1173574d20ec84551370987dde530c27ec493bdef564Romain Guy 117431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = 0; j < childCount; j++) { 117531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = layout.getChildAt(j); 117631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Object tag = view.getTag(); 1177574d20ec84551370987dde530c27ec493bdef564Romain Guy 117831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (tag instanceof ApplicationInfo) { 1179574d20ec84551370987dde530c27ec493bdef564Romain Guy final ApplicationInfo info = (ApplicationInfo) tag; 118031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 118131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 118231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // web pages.) 118331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Intent intent = info.intent; 118431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ComponentName name = intent.getComponent(); 1185574d20ec84551370987dde530c27ec493bdef564Romain Guy 118631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (Intent.ACTION_MAIN.equals(intent.getAction()) && 118731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project name != null && packageName.equals(name.getPackageName())) { 118831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.deleteItemFromDatabase(mLauncher, info); 118931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childrenToRemove.add(view); 119031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1191574d20ec84551370987dde530c27ec493bdef564Romain Guy } else if (tag instanceof UserFolderInfo) { 1192574d20ec84551370987dde530c27ec493bdef564Romain Guy final UserFolderInfo info = (UserFolderInfo) tag; 1193574d20ec84551370987dde530c27ec493bdef564Romain Guy final ArrayList<ApplicationInfo> contents = info.contents; 1194574d20ec84551370987dde530c27ec493bdef564Romain Guy final ArrayList<ApplicationInfo> toRemove = new ArrayList<ApplicationInfo>(1); 1195574d20ec84551370987dde530c27ec493bdef564Romain Guy final int contentsCount = contents.size(); 1196574d20ec84551370987dde530c27ec493bdef564Romain Guy boolean removedFromFolder = false; 1197574d20ec84551370987dde530c27ec493bdef564Romain Guy 1198574d20ec84551370987dde530c27ec493bdef564Romain Guy for (int k = 0; k < contentsCount; k++) { 1199574d20ec84551370987dde530c27ec493bdef564Romain Guy final ApplicationInfo appInfo = contents.get(k); 1200574d20ec84551370987dde530c27ec493bdef564Romain Guy final Intent intent = appInfo.intent; 1201574d20ec84551370987dde530c27ec493bdef564Romain Guy final ComponentName name = intent.getComponent(); 1202574d20ec84551370987dde530c27ec493bdef564Romain Guy 1203574d20ec84551370987dde530c27ec493bdef564Romain Guy if (Intent.ACTION_MAIN.equals(intent.getAction()) && 1204574d20ec84551370987dde530c27ec493bdef564Romain Guy name != null && packageName.equals(name.getPackageName())) { 1205574d20ec84551370987dde530c27ec493bdef564Romain Guy toRemove.add(appInfo); 1206574d20ec84551370987dde530c27ec493bdef564Romain Guy LauncherModel.deleteItemFromDatabase(mLauncher, appInfo); 1207574d20ec84551370987dde530c27ec493bdef564Romain Guy removedFromFolder = true; 1208574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1209574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1210574d20ec84551370987dde530c27ec493bdef564Romain Guy 1211574d20ec84551370987dde530c27ec493bdef564Romain Guy contents.removeAll(toRemove); 1212574d20ec84551370987dde530c27ec493bdef564Romain Guy if (removedFromFolder) { 1213574d20ec84551370987dde530c27ec493bdef564Romain Guy final Folder folder = getOpenFolder(); 1214574d20ec84551370987dde530c27ec493bdef564Romain Guy if (folder != null) folder.notifyDataSetChanged(); 1215574d20ec84551370987dde530c27ec493bdef564Romain Guy } 121631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 121731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1218574d20ec84551370987dde530c27ec493bdef564Romain Guy 121931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childCount = childrenToRemove.size(); 122031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = 0; j < childCount; j++) { 122100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato View child = childrenToRemove.get(j); 122200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato layout.removeViewInLayout(child); 122300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 122400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)child); 122500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1227574d20ec84551370987dde530c27ec493bdef564Romain Guy 122831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (childCount > 0) { 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.requestLayout(); 123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.invalidate(); 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1234f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 1235f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project void updateShortcutsForPackage(String packageName) { 12369c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final PackageManager pm = mLauncher.getPackageManager(); 12379c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato 1238f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final int count = getChildCount(); 1239f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int i = 0; i < count; i++) { 1240f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1241f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project int childCount = layout.getChildCount(); 1242f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int j = 0; j < childCount; j++) { 1243f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final View view = layout.getChildAt(j); 1244f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Object tag = view.getTag(); 1245f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (tag instanceof ApplicationInfo) { 1246f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project ApplicationInfo info = (ApplicationInfo) tag; 1247f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 1248f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 1249f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // web pages.) 1250f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final Intent intent = info.intent; 1251f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final ComponentName name = intent.getComponent(); 1252f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 1253f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Intent.ACTION_MAIN.equals(intent.getAction()) && name != null && 1254f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project packageName.equals(name.getPackageName())) { 1255f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 12569c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final Drawable icon = AppInfoCache.getIconDrawable(pm, info); 1257f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (icon != null && icon != info.icon) { 1258f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon.setCallback(null); 12596665c0f1fec6ec0962896622986340081df992e7Joe Onorato info.icon = Utilities.createIconThumbnail(icon, mContext); 1260f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.filtered = true; 1261f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project ((TextView) view).setCompoundDrawablesWithIntrinsicBounds(null, 1262f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon, null, null); 1263f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1264f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1265f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1266f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1267f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1268f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1269f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 127014f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato void moveToDefaultScreen(boolean animate) { 127114f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato snapToScreen(mDefaultScreen, animate); 127231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mDefaultScreen).requestFocus(); 127331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 127431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12758a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy void setIndicators(Drawable previous, Drawable next) { 12768a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator = previous; 12778a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator = next; 12788a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy previous.setLevel(mCurrentScreen); 12798a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy next.setLevel(mCurrentScreen); 12808a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy } 12818a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 128231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class SavedState extends BaseSavedState { 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int currentScreen = -1; 128431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState(Parcelable superState) { 128631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(superState); 128731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 128931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private SavedState(Parcel in) { 129031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(in); 129131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen = in.readInt(); 129231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 129631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.writeToParcel(out, flags); 129731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project out.writeInt(currentScreen); 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR = 130131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new Parcelable.Creator<SavedState>() { 130231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState createFromParcel(Parcel in) { 130331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState(in); 130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState[] newArray(int size) { 130731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState[size]; 130831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project }; 131031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1312