Workspace.java revision 00acb123c5100f06b8e89e8ec8978ebafc6f6d26
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 1931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Intent; 2131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.ComponentName; 2231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.res.TypedArray; 2331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Bitmap; 2431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Canvas; 2531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Paint; 2631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.RectF; 2731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 287376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Projectimport android.graphics.Region; 29f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.graphics.drawable.Drawable; 3031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 315979117dc26fe8939e7af3116401b4ea93a0adb2Joe 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 Projectimport android.os.Parcelable; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.os.Parcel; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport java.util.ArrayList; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The workspace is a wide area with a wallpaper and a finite number of screens. Each 4731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * screen contains a number of icons, folders or widgets the user can interact with. 4831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * A workspace is meant to be used with a fixed width only. 4931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 50e77c08d15f23c403293dbb40c6a36967de822c89Joe Onoratopublic class Workspace extends ViewGroup implements DropTarget, DragSource, DragScroller, 51e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato TweenCallback { 5231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int INVALID_SCREEN = -1; 5370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 5431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 5531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The velocity at which a fling gesture will cause us to snap to the next screen 5631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 5731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int SNAP_VELOCITY = 1000; 5831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mDefaultScreen; 605979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato private View mWallpaper; 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 69e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato private SymmetricalLinearTween mTween; 70e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato private int mAlpha = 255; 71e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 7331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * CellInfo for the cell that is currently being dragged 7431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 7531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private CellLayout.CellInfo mDragInfo; 7670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 7770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 7870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Target drop area calculated during last acceptDrop call. 7970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 8070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTargetCell = null; 8131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionX; 8331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionY; 8431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_REST = 0; 8631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_SCROLLING = 1; 8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchState = TOUCH_STATE_REST; 8931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private OnLongClickListener mLongClickListener; 9131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Launcher mLauncher; 9300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DragController mDragController; 9470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 9570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 9670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Cache of vacant cells, used during drag events and invalidated as needed. 9770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 9870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout.CellInfo mVacantCache = null; 9970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 10031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int[] mTempCell = new int[2]; 10170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTempEstimate = new int[2]; 10231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private boolean mAllowLongPress; 10431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private boolean mLocked; 10531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchSlop; 107a206daaed1318005d1534cca2e4eeec56144d104Romain Guy private int mMaximumVelocity; 10831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Rect mDrawerBounds = new Rect(); 11031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Rect mClipBounds = new Rect(); 1117376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project int mDrawerContentHeight; 1127376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project int mDrawerContentWidth; 11331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 11631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 11831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 11931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs) { 12131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 12531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 12631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 12731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 12831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 12931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param defStyle Unused. 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs, int defStyle) { 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Workspace, defStyle, 0); 13531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDefaultScreen = a.getInt(R.styleable.Workspace_defaultScreen, 1); 13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project initWorkspace(); 13931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 14031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 14231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Initializes various states for this workspace. 14331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void initWorkspace() { 14531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller = new Scroller(getContext()); 14631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = mDefaultScreen; 14731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 14831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 149a206daaed1318005d1534cca2e4eeec56144d104Romain Guy final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 150a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mTouchSlop = configuration.getScaledTouchSlop(); 151a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 152e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 153e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato mTween = new SymmetricalLinearTween(true, 250/*ms*/, this); 15431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1565979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato void setWallpaper(View wallpaper) { 1575979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato mWallpaper = wallpaper; 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index, params); 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 16931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child) { 17031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 17131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 17231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child); 17431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 17731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index) { 17831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 17931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 18031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index); 18231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int width, int height) { 18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, width, height); 19031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 19131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 19331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, LayoutParams params) { 19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 19531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 19631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 19731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, params); 19831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 19931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 20031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 20131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The open folder on the current screen, or null if there is none 20231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 20331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder getOpenFolder() { 20431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(mCurrentScreen); 20531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 20631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 20731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 20831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 20931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 21031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Folder) child; 21131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 21431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> getOpenFolders() { 21731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screens = getChildCount(); 21831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> folders = new ArrayList<Folder>(screens); 21931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screens; screen++) { 22131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(screen); 22231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 22331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 22431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 22531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 22631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 22731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project folders.add((Folder) child); 22831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 22931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return folders; 23431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean isDefaultScreenShowing() { 23731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen == mDefaultScreen; 23831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 24131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the index of the currently displayed screen. 24231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 24331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The index of the currently displayed screen. 24431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 24531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCurrentScreen() { 24631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen; 24731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2505979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato * Returns how many screens there are. 2515979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato */ 2525979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato int getScreenCount() { 2535979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato return getChildCount(); 2545979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato } 2555979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato 2565979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato /** 25731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 25831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 25931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 26031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 26131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellHSpan Width in cells 26231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 26331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param rect Rectnagle into which to put the results 26431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 26531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF rect) { 26631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ((CellLayout)getChildAt(mCurrentScreen)).cellToRect(cellX, cellY, 26731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan, cellVSpan, rect); 26831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 26931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 27031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 27131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Sets the current screen. 27231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 27331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param currentScreen 27431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 27531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setCurrentScreen(int currentScreen) { 2764c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 27731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(currentScreen, getChildCount() - 1)); 27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * getWidth(), 0); 27931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 28031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 28131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 28231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 28331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Shows the default screen (defined by the firstScreen attribute in XML.) 28431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 28531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void showDefaultScreen() { 28631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setCurrentScreen(mDefaultScreen); 28731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 28831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 28931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 29031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 29131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 29231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 29331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 29431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 29531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 29631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 29731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 29831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 29931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY) { 30031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, false); 30131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 30231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 30331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 30431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 30531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 30631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 30731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 30831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 30931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 31031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 31131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 31331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 31431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY, boolean insert) { 31531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, insert); 31631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 31731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 31831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 31931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 32031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 32131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 32231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 32331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 32431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 32531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 32631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 32731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 32931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) { 33031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, screen, x, y, spanX, spanY, false); 33131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 33231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 33331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 33431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 33531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 33631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 33731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 33831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 33931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 34031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 34131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 34431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 34531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) { 34631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 34731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount()); 34831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 34931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3504c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 3514c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 35231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 35331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 35431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp == null) { 35531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp = new CellLayout.LayoutParams(x, y, spanX, spanY); 35631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 35731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellX = x; 35831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellY = y; 35931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellHSpan = spanX; 36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellVSpan = spanY; 36131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, insert ? 0 : -1, lp); 36331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 36431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 36531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 36700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 36800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 36931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 37031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 37131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addWidget(View view, Widget widget) { 37231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(view, widget.screen, widget.cellX, widget.cellY, widget.spanX, 37331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project widget.spanY, false); 37431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 37531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 37631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addWidget(View view, Widget widget, boolean insert) { 37731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(view, widget.screen, widget.cellX, widget.cellY, widget.spanX, 37831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project widget.spanY, insert); 37931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 38131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.CellInfo findAllVacantCells(boolean[] occupied) { 38231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 38331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 38470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return group.findAllVacantCells(occupied, null); 38531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 38731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3894c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy private void clearVacantCache() { 3904c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache != null) { 3914c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache.clearVacantCells(); 3924c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = null; 3934c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 3944c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 3954c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 39731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the coordinate of a vacant cell for the current screen. 39831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 39931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean getVacantCell(int[] vacant, int spanX, int spanY) { 40031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 40131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 40231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return group.getVacantCell(vacant, spanX, spanY); 40331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 40431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 40531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 40631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 40731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 40831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 40931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 41031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 41131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 41231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 41331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 41431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 41531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void fitInCurrentScreen(View child, int spanX, int spanY) { 41631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project fitInScreen(child, mCurrentScreen, spanX, spanY); 41731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 41831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 41931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 42031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 42131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 42231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 42331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 42431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 42531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 42631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 42731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 42831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void fitInScreen(View child, int screen, int spanX, int spanY) { 42931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 43031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount()); 43131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 43231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 43331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 43431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean vacant = group.getVacantCell(mTempCell, spanX, spanY); 43531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vacant) { 43631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, 43731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new CellLayout.LayoutParams(mTempCell[0], mTempCell[1], spanX, spanY)); 43831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 43931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 44031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 44131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 44300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 44400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 44931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Registers the specified listener on each screen contained in this workspace. 45031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 45131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param l The listener used to respond to long clicks. 45231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 45331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 45431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setOnLongClickListener(OnLongClickListener l) { 45531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLongClickListener = l; 45631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 45731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 45831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).setOnLongClickListener(l); 45931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 46031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 46131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 46231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 46331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void computeScroll() { 46431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScroller.computeScrollOffset()) { 46531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX = mScroller.getCurrX(); 46631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollY = mScroller.getCurrY(); 4675979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato mWallpaper.scrollTo(mScrollX, mScrollY); 46831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project postInvalidate(); 46931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (mNextScreen != INVALID_SCREEN) { 47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(mNextScreen, getChildCount() - 1)); 47131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 47231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = INVALID_SCREEN; 47331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 47431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 47731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 47831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 4797376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project boolean restore = false; 480e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int restoreCount = 0; 481e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 482e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato // For the fade. If view gets setAlpha(), use that instead. 483e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int alpha = mAlpha; 484e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato if (alpha < 255) { 485e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int sx = mScrollX; 486e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato restoreCount = canvas.saveLayerAlpha(sx, 0, sx+getWidth(), getHeight(), alpha, 487e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG); 488e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato restore = true; 489e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 4907376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 49131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // ViewGroup.dispatchDraw() supports many features we don't need: 49231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // clip to padding, layout animation, animation listener, disappearing 49331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // children, etc. The following implementation attempts to fast-track 49431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // the drawing dispatch by drawing only what we know needs to be drawn. 49531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean fastDraw = mTouchState != TOUCH_STATE_SCROLLING && mNextScreen == INVALID_SCREEN; 49731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are not scrolling or flinging, draw only the current screen 49831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (fastDraw) { 49931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), getDrawingTime()); 50031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 50131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final long drawingTime = getDrawingTime(); 50231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are flinging, draw only the current screen and the target screen 50331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen >= 0 && mNextScreen < getChildCount() && 50431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Math.abs(mCurrentScreen - mNextScreen) == 1) { 50531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), drawingTime); 50631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mNextScreen), drawingTime); 50731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 50831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are scrolling, draw all of our children 50931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 51031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 51131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(i), drawingTime); 51231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 5157376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 5167376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project if (restore) { 517e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato canvas.restoreToCount(restoreCount); 5187376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project } 51931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 52100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato protected void onAttachedToWindow() { 52200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato super.onAttachedToWindow(); 52300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.setWindowToken(getWindowToken()); 52400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 52500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 52631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 52731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 52831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onMeasure(widthMeasureSpec, heightMeasureSpec); 52931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int width = MeasureSpec.getSize(widthMeasureSpec); 53131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthMode = MeasureSpec.getMode(widthMeasureSpec); 53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthMode != MeasureSpec.EXACTLY) { 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 53431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 53631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightMode = MeasureSpec.getMode(heightMeasureSpec); 53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (heightMode != MeasureSpec.EXACTLY) { 53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // The children are given the same width and height as the workspace 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec); 54531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mFirstLayout) { 54831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * width, 0); 54931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mFirstLayout = false; 55031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 55331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 55531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = 0; 55631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 55731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 55831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View child = getChildAt(i); 56031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != View.GONE) { 56131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int childWidth = child.getMeasuredWidth(); 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, 0, childLeft + childWidth, child.getMeasuredHeight()); 56331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childLeft += childWidth; 56431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 56931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen = indexOfChild(child); 57131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen != mCurrentScreen || !mScroller.isFinished()) { 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mLauncher.isWorkspaceLocked()) { 57331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(screen); 57431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 57631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 57831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 58131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { 58231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mLauncher.isDrawerDown()) { 58331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 58431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder != null) { 58531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return openFolder.requestFocus(direction, previouslyFocusedRect); 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 58731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int focusableScreen; 58831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen != INVALID_SCREEN) { 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mNextScreen; 59031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 59131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mCurrentScreen; 59231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(focusableScreen).requestFocus(direction, previouslyFocusedRect); 59431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 59731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 60231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() > 0) { 60331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() - 1); 60431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 60531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT) { 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() < getChildCount() - 1) { 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() + 1); 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 61031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return super.dispatchUnhandledMove(focused, direction); 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 616c2e24c0a37ddeab930f731c062705d435e477f75Romain Guy public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 61731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mLauncher.isDrawerDown()) { 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder == null) { 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen).addFocusables(views, direction); 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen > 0) { 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen - 1).addFocusables(views, direction); 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT){ 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen < getChildCount() - 1) { 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen + 1).addFocusables(views, direction); 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 63131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project openFolder.addFocusables(views, direction); 63231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 63631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 63731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 63831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mLocked || !mLauncher.isDrawerDown()) { 63931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * This method JUST determines whether we want to intercept the motion. 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If we return true, onTouchEvent will be called and we do the actual 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * scrolling there. 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 64931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Shortcut the most recurring case: the user is in the dragging 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * state and he is moving his finger. We want to intercept this 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * motion. 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) { 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 65631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float x = ev.getX(); 65931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float y = ev.getY(); 66031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (action) { 66231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 66331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check 66531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * whether the user has moved far enough from his original down touch. 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Locally do absolute value. mLastMotionX is set to the y value 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * of the down event. 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int xDiff = (int) Math.abs(x - mLastMotionX); 67331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int yDiff = (int) Math.abs(y - mLastMotionY); 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int touchSlop = mTouchSlop; 67631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean xMoved = xDiff > touchSlop; 67731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean yMoved = yDiff > touchSlop; 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved || yMoved) { 68031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 68131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved) { 68231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll if the user moved far enough along the X axis 68331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_SCROLLING; 68431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project enableChildrenCache(); 68531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 68631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Either way, cancel any pending longpress 68731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mAllowLongPress) { 68831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 68931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Try canceling the long press. It could also have been scheduled 69031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // by a distant descendant, so use the mAllowLongPress flag to block 69131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // everything 69231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View currentScreen = getChildAt(mCurrentScreen); 69331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen.cancelLongPress(); 69431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 69531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 69631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 69731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 69831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 69931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember location of down touch 70031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 70131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionY = y; 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = true; 70331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 70431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 70531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches the screen, initiate drag; 70631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * otherwise don't. mScroller.isFinished should be false when 70731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * being flinged. 70831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 70931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING; 71031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 71131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 71331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 71431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Release the drag 71531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 71631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 71731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 71831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 71931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 72031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 72231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The only time we want to intercept motion events is if we are in the 72331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * drag mode. 72431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 72531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mTouchState != TOUCH_STATE_REST; 72631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void enableChildrenCache() { 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 73031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(true); 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawingCacheEnabled(true); 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void clearChildrenCache() { 73831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(false); 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 74531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 74631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 7475979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato 74831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mLocked || !mLauncher.isDrawerDown()) { 74931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 75031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 75131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker == null) { 75331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 75431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 75531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.addMovement(ev); 75631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 75831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final float x = ev.getX(); 75931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 76031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (action) { 76131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 76331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches, stop the fling. isFinished 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * will be false if being flinged. 76531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 76631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mScroller.isFinished()) { 76731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.abortAnimation(); 76831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 76931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 77031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember where the motion event started 77131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 77231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 77331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 77431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 77531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll to follow the motion event 77631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int deltaX = (int) (mLastMotionX - x); 77731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 77831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 77931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (deltaX < 0) { 78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScrollX > 0) { 78131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollBy(Math.max(-mScrollX, deltaX), 0); 7825979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato mWallpaper.scrollTo(mScrollX, mScrollY); 78331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 78431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (deltaX > 0) { 78531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int availableToScroll = getChildAt(getChildCount() - 1).getRight() - 78631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX - getWidth(); 78731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (availableToScroll > 0) { 78831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollBy(Math.min(availableToScroll, deltaX), 0); 7895979117dc26fe8939e7af3116401b4ea93a0adb2Joe Onorato mWallpaper.scrollTo(mScrollX, mScrollY); 79031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 79431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 79531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 79631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final VelocityTracker velocityTracker = mVelocityTracker; 797a206daaed1318005d1534cca2e4eeec56144d104Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 79831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int velocityX = (int) velocityTracker.getXVelocity(); 79931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (velocityX > SNAP_VELOCITY && mCurrentScreen > 0) { 80131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move left 80231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen - 1); 80331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (velocityX < -SNAP_VELOCITY && mCurrentScreen < getChildCount() - 1) { 80431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move right 80531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen + 1); 80631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 80731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToDestination(); 80831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 81031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker != null) { 81131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.recycle(); 81231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = null; 81331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 81431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 81531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 81631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 81731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 81831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 81931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 82231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void snapToDestination() { 82531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screenWidth = getWidth(); 82631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int whichScreen = (mScrollX + (screenWidth / 2)) / screenWidth; 82731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(whichScreen); 82931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void snapToScreen(int whichScreen) { 83282d94d9e9ee4eb6b14db3c8df2f47dcae5ce4ab0Romain Guy if (!mScroller.isFinished()) return; 83382d94d9e9ee4eb6b14db3c8df2f47dcae5ce4ab0Romain Guy 8344c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project enableChildrenCache(); 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1)); 83831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean changingScreens = whichScreen != mCurrentScreen; 83931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = whichScreen; 84131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View focusedChild = getFocusedChild(); 84331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (focusedChild != null && changingScreens && focusedChild == getChildAt(mCurrentScreen)) { 84431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusedChild.clearFocus(); 84531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int newX = whichScreen * getWidth(); 84831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int delta = newX - mScrollX; 84931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.startScroll(mScrollX, 0, delta, 0, Math.abs(delta) * 2); 85031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 85131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void startDrag(CellLayout.CellInfo cellInfo) { 85431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = cellInfo.cell; 85531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Make sure the drag was started by a long press as opposed to a long click. 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Note that Search takes focus when clicked rather than entering touch mode 85831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!child.isInTouchMode() && !(child instanceof Search)) { 85931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return; 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = cellInfo; 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo.screen = mCurrentScreen; 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout current = ((CellLayout) getChildAt(mCurrentScreen)); 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project current.onDragChild(child); 86800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.startDrag(child, this, child.getTag(), DragController.DRAG_ACTION_MOVE); 86931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 87031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 87331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected Parcelable onSaveInstanceState() { 87431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final SavedState state = new SavedState(super.onSaveInstanceState()); 87531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project state.currentScreen = mCurrentScreen; 87631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return state; 87731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 88031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 88131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState savedState = (SavedState) state; 88231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onRestoreInstanceState(savedState.getSuperState()); 88331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (savedState.currentScreen != -1) { 88431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = savedState.currentScreen; 88531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 88631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo) { 89031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addApplicationShortcut(info, cellInfo, false); 89131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 89331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addApplicationShortcut(ApplicationInfo info, CellLayout.CellInfo cellInfo, 89431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 89531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(cellInfo.screen); 89631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int[] result = new int[2]; 89731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 89831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.cellToPoint(cellInfo.cellX, cellInfo.cellY, result); 89931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(result[0], result[1], info, layout, insertAtFirst); 90031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 90131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 90200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, 90300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 90470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout cellLayout = getCurrentDropLayout(); 90531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (source != this) { 90631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x - xOffset, y - yOffset, dragInfo, cellLayout); 90731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 90831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Move internally 90931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 91031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View cell = mDragInfo.cell; 91131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen != mDragInfo.screen) { 91231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen); 91331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project originalCellLayout.removeView(cell); 91431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(cell); 91531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 916263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x - xOffset, y - yOffset, 91770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mDragInfo.spanX, mDragInfo.spanY, cell, cellLayout, mTargetCell); 91870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(cell, mTargetCell); 91931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ItemInfo info = (ItemInfo)cell.getTag(); 92131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams(); 92231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.moveItemInDatabase(mLauncher, info, 92331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherSettings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY); 92431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, 92900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 9304c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 93131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 93331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, 93400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 93531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 93731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, 93800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 9394c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 94031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout) { 94331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x, y, dragInfo, cellLayout, false); 94431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout, 94731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 94831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Drag from somewhere else 94931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ItemInfo info = (ItemInfo) dragInfo; 95031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 95131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View view; 95231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 95331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (info.itemType) { 95431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 95531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 95631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (info.container == NO_ID) { 95731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Came from all apps -- make a copy 95831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project info = new ApplicationInfo((ApplicationInfo) info); 95931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 96031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = mLauncher.createShortcut(R.layout.application, cellLayout, 96131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ApplicationInfo) info); 96231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 96331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 96431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher, 96531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ViewGroup) getChildAt(mCurrentScreen), ((UserFolderInfo) info)); 96631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 96731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project default: 96831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Unknown item type: " + info.itemType); 96931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 97031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 97131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(view, insertAtFirst ? 0 : -1); 97231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setOnLongClickListener(mLongClickListener); 97300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (view instanceof DropTarget) { 97400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)view); 97500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 97600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 977263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x, y, 1, 1, view, cellLayout, mTargetCell); 97870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(view, mTargetCell); 97931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams(); 98031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 98131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final LauncherModel model = Launcher.getModel(); 98231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project model.addDesktopItem(info); 98331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.addOrMoveItemInDatabase(mLauncher, info, 98431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherSettings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY); 98531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 98670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 98770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 98870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Return the current {@link CellLayout}, correctly picking the destination 98970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * screen while a scroll is in progress. 99070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 99170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout getCurrentDropLayout() { 99270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 99370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return (CellLayout) getChildAt(index); 99470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 99531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 99670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 99770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 99870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 99970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public boolean acceptDrop(DragSource source, int x, int y, 100000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo) { 10014c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout layout = getCurrentDropLayout(); 10024c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout.CellInfo cellInfo = mDragInfo; 10034c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 10044c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 10054c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 10064c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache == null) { 10074c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final View ignoreView = cellInfo == null ? null : cellInfo.cell; 10084c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = layout.findAllVacantCells(null, ignoreView); 10094c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 10104c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 10114c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy return mVacantCache.findCellForSpan(mTempEstimate, spanX, spanY, false); 101270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 101370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 101470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 101570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 101670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 101770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public Rect estimateDropLocation(DragSource source, int x, int y, 101800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo, Rect recycle) { 101970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout layout = getCurrentDropLayout(); 102070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 102131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout.CellInfo cellInfo = mDragInfo; 102270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 102370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 102470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final View ignoreView = cellInfo == null ? null : cellInfo.cell; 102570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 102670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final Rect location = recycle != null ? recycle : new Rect(); 102770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 102870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find drop cell and convert into rectangle 1029263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy int[] dropCell = estimateDropCell(x - xOffset, y - yOffset, 103070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, ignoreView, layout, mTempCell); 103170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 103270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (dropCell == null) { 103370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 103470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 103570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 103670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0], dropCell[1], mTempEstimate); 103770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.left = mTempEstimate[0]; 103870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.top = mTempEstimate[1]; 103970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 104070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0] + spanX, dropCell[1] + spanY, mTempEstimate); 104170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.right = mTempEstimate[0]; 104270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.bottom = mTempEstimate[1]; 104370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 104470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return location; 104531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 104770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 104870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Calculate the nearest cell where the given object would be dropped. 104970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 1050263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy private int[] estimateDropCell(int pixelX, int pixelY, 105170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) { 105270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Create vacant cell cache if none exists 105370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (mVacantCache == null) { 105470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mVacantCache = layout.findAllVacantCells(null, ignoreView); 105570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 105670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 105770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find the best target drop location 105870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return layout.findNearestVacantArea(pixelX, pixelY, 105970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, mVacantCache, recycle); 106070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 106170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 106231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setLauncher(Launcher launcher) { 106331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLauncher = launcher; 106431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 106531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 106600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setDragController(DragController dragController) { 106700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController = dragController; 106831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 106931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 107031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDropCompleted(View target, boolean success) { 107131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (success){ 107231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (target != this && mDragInfo != null) { 107331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 107431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.removeView(mDragInfo.cell); 107500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragInfo.cell instanceof DropTarget) { 107600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)mDragInfo.cell); 107700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 107831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Object tag = mDragInfo.cell.getTag(); 107931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.getModel().removeDesktopItem((ItemInfo) tag); 108031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 108231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 108331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 108431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.onDropAborted(mDragInfo.cell); 108531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = null; 108931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollLeft() { 10924c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 109331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen == INVALID_SCREEN && mCurrentScreen > 0 && mScroller.isFinished()) { 109431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen - 1); 109531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollRight() { 10994c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 110031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen == INVALID_SCREEN && mCurrentScreen < getChildCount() -1 && 110131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.isFinished()) { 110231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mCurrentScreen + 1); 110331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 110531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 110631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int getScreenForView(View v) { 110731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int result = -1; 110831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v != null) { 110931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ViewParent vp = v.getParent(); 111031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 111131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vp == getChildAt(i)) { 111331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return i; 111431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return result; 111831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1119138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 112031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 112131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find a search widget on the given screen 112231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 112331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Search findSearchWidget(CellLayout screen) { 112431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = screen.getChildCount(); 112531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 112631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View v = screen.getChildAt(i); 112731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v instanceof Search) { 112831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Search) v; 112931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 113231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1133138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 113431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1135138a04170d964da9cdec228e95b976875ae52481Karl Rosaen * Gets the first search widget on the current screen, if there is one. 1136138a04170d964da9cdec228e95b976875ae52481Karl Rosaen * Returns <code>null</code> otherwise. 113731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1138138a04170d964da9cdec228e95b976875ae52481Karl Rosaen public Search findSearchWidgetOnCurrentScreen() { 1139138a04170d964da9cdec228e95b976875ae52481Karl Rosaen CellLayout currentScreen = (CellLayout)getChildAt(mCurrentScreen); 1140138a04170d964da9cdec228e95b976875ae52481Karl Rosaen return findSearchWidget(currentScreen); 114131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 114331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Folder getFolderForTag(Object tag) { 114431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 114531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 114631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 114731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 114831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 114931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 115031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 115131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 115231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder f = (Folder) child; 115331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (f.getInfo() == tag) { 115431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return f; 115531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 115631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 115731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 115831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 115931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 116031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 116131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 116231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public View getViewForTag(Object tag) { 116331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 116431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 116531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 116631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 116731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 116831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 116931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getTag() == tag) { 117031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return child; 117131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 117231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 117331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 117431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 117531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 117631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 117731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 117831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Unlocks the SlidingDrawer so that touch events are processed. 117931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 118031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @see #lock() 118131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 118231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void unlock() { 118331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLocked = false; 118431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 118531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 118631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 118731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Locks the SlidingDrawer so that touch events are ignores. 118831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 118931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @see #unlock() 119031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 119131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void lock() { 119231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLocked = true; 119331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 119531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 119631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True is long presses are still allowed for the current touch 119731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 119831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean allowLongPress() { 119931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mAllowLongPress; 120031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1201ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project 1202ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project /** 1203ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * Set true to allow long-press events to be triggered, usually checked by 1204ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * {@link Launcher} to accept or block dpad-initiated long-presses. 1205ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project */ 1206ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project public void setAllowLongPress(boolean allowLongPress) { 1207ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project mAllowLongPress = allowLongPress; 1208ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project } 120931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void removeShortcutsForPackage(String packageName) { 121131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ArrayList<View> childrenToRemove = new ArrayList<View>(); 121231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final LauncherModel model = Launcher.getModel(); 121331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 1214574d20ec84551370987dde530c27ec493bdef564Romain Guy 121531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 121631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 121731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childCount = layout.getChildCount(); 1218574d20ec84551370987dde530c27ec493bdef564Romain Guy 121931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childrenToRemove.clear(); 1220574d20ec84551370987dde530c27ec493bdef564Romain Guy 122131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = 0; j < childCount; j++) { 122231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = layout.getChildAt(j); 122331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Object tag = view.getTag(); 1224574d20ec84551370987dde530c27ec493bdef564Romain Guy 122531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (tag instanceof ApplicationInfo) { 1226574d20ec84551370987dde530c27ec493bdef564Romain Guy final ApplicationInfo info = (ApplicationInfo) tag; 122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 122831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // web pages.) 123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Intent intent = info.intent; 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final ComponentName name = intent.getComponent(); 1232574d20ec84551370987dde530c27ec493bdef564Romain Guy 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (Intent.ACTION_MAIN.equals(intent.getAction()) && 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project name != null && packageName.equals(name.getPackageName())) { 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project model.removeDesktopItem(info); 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.deleteItemFromDatabase(mLauncher, info); 123731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childrenToRemove.add(view); 123831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1239574d20ec84551370987dde530c27ec493bdef564Romain Guy } else if (tag instanceof UserFolderInfo) { 1240574d20ec84551370987dde530c27ec493bdef564Romain Guy final UserFolderInfo info = (UserFolderInfo) tag; 1241574d20ec84551370987dde530c27ec493bdef564Romain Guy final ArrayList<ApplicationInfo> contents = info.contents; 1242574d20ec84551370987dde530c27ec493bdef564Romain Guy final ArrayList<ApplicationInfo> toRemove = new ArrayList<ApplicationInfo>(1); 1243574d20ec84551370987dde530c27ec493bdef564Romain Guy final int contentsCount = contents.size(); 1244574d20ec84551370987dde530c27ec493bdef564Romain Guy boolean removedFromFolder = false; 1245574d20ec84551370987dde530c27ec493bdef564Romain Guy 1246574d20ec84551370987dde530c27ec493bdef564Romain Guy for (int k = 0; k < contentsCount; k++) { 1247574d20ec84551370987dde530c27ec493bdef564Romain Guy final ApplicationInfo appInfo = contents.get(k); 1248574d20ec84551370987dde530c27ec493bdef564Romain Guy final Intent intent = appInfo.intent; 1249574d20ec84551370987dde530c27ec493bdef564Romain Guy final ComponentName name = intent.getComponent(); 1250574d20ec84551370987dde530c27ec493bdef564Romain Guy 1251574d20ec84551370987dde530c27ec493bdef564Romain Guy if (Intent.ACTION_MAIN.equals(intent.getAction()) && 1252574d20ec84551370987dde530c27ec493bdef564Romain Guy name != null && packageName.equals(name.getPackageName())) { 1253574d20ec84551370987dde530c27ec493bdef564Romain Guy toRemove.add(appInfo); 1254574d20ec84551370987dde530c27ec493bdef564Romain Guy LauncherModel.deleteItemFromDatabase(mLauncher, appInfo); 1255574d20ec84551370987dde530c27ec493bdef564Romain Guy removedFromFolder = true; 1256574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1257574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1258574d20ec84551370987dde530c27ec493bdef564Romain Guy 1259574d20ec84551370987dde530c27ec493bdef564Romain Guy contents.removeAll(toRemove); 1260574d20ec84551370987dde530c27ec493bdef564Romain Guy if (removedFromFolder) { 1261574d20ec84551370987dde530c27ec493bdef564Romain Guy final Folder folder = getOpenFolder(); 1262574d20ec84551370987dde530c27ec493bdef564Romain Guy if (folder != null) folder.notifyDataSetChanged(); 1263574d20ec84551370987dde530c27ec493bdef564Romain Guy } 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1266574d20ec84551370987dde530c27ec493bdef564Romain Guy 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childCount = childrenToRemove.size(); 126831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = 0; j < childCount; j++) { 126900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato View child = childrenToRemove.get(j); 127000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato layout.removeViewInLayout(child); 127100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 127200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)child); 127300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 127431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1275574d20ec84551370987dde530c27ec493bdef564Romain Guy 127631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (childCount > 0) { 127731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.requestLayout(); 127831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.invalidate(); 127931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1282f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 1283f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project void updateShortcutsForPackage(String packageName) { 1284f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final int count = getChildCount(); 1285f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int i = 0; i < count; i++) { 1286f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1287f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project int childCount = layout.getChildCount(); 1288f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int j = 0; j < childCount; j++) { 1289f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final View view = layout.getChildAt(j); 1290f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Object tag = view.getTag(); 1291f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (tag instanceof ApplicationInfo) { 1292f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project ApplicationInfo info = (ApplicationInfo) tag; 1293f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 1294f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 1295f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // web pages.) 1296f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final Intent intent = info.intent; 1297f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final ComponentName name = intent.getComponent(); 1298f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 1299f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Intent.ACTION_MAIN.equals(intent.getAction()) && name != null && 1300f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project packageName.equals(name.getPackageName())) { 1301f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 1302f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final Drawable icon = Launcher.getModel().getApplicationInfoIcon( 1303f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project mLauncher.getPackageManager(), info); 1304f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (icon != null && icon != info.icon) { 1305f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon.setCallback(null); 1306f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon = Utilities.createIconThumbnail(icon, mContext); 1307f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.filtered = true; 1308f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project ((TextView) view).setCompoundDrawablesWithIntrinsicBounds(null, 1309f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project info.icon, null, null); 1310f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1311f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1312f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1313f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1314f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1315f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1316f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 131731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void moveToDefaultScreen() { 131831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(mDefaultScreen); 131931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mDefaultScreen).requestFocus(); 132031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 132131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 132231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class SavedState extends BaseSavedState { 132331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int currentScreen = -1; 132431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 132531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState(Parcelable superState) { 132631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(superState); 132731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 132831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 132931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private SavedState(Parcel in) { 133031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(in); 133131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen = in.readInt(); 133231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 133331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 133431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 133531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 133631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.writeToParcel(out, flags); 133731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project out.writeInt(currentScreen); 133831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 133931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 134031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR = 134131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new Parcelable.Creator<SavedState>() { 134231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState createFromParcel(Parcel in) { 134331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState(in); 134431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 134631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState[] newArray(int size) { 134731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState[size]; 134831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project }; 135031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1351e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 1352e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato void show() { 1353e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato mTween.start(true); 1354e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 1355e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 1356e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato void hide() { 1357e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato mTween.start(false); 1358e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 1359e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 1360e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato public void onTweenValueChanged(float value, float oldValue) { 1361e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato mAlpha = (int)(255*value); 1362e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato invalidate(); 1363e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 1364e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 1365e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato public void onTweenStarted() { 1366e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato // TODO: This conflicts with the cache for drawing. Ref count instead? 1367e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato // TODO: Don't cache all three. 1368e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato enableChildrenCache(); 1369e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 1370e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 1371e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato public void onTweenFinished() { 1372e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato // TODO: This conflicts with the cache for drawing. Ref count instead? 1373e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato // TODO: Don't cache all three. 1374e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato clearChildrenCache(); 1375e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato } 137631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1377