Workspace.java revision fefa0ce22af9560f1c0f8c84c760c75f34b7b12c
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 19495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport java.util.ArrayList; 20495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport java.util.HashSet; 21495f2892288504f4ab87e62957b3f71144dd73c2Adam Powell 228f573952b8729b4319043ae0908997ecd2d68951Dianne Hackbornimport android.app.WallpaperManager; 23629de3ef739883c0962423cc0c3a26299f162d3dRomain Guyimport android.appwidget.AppWidgetManager; 24629de3ef739883c0962423cc0c3a26299f162d3dRomain Guyimport android.appwidget.AppWidgetProviderInfo; 25495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.content.ComponentName; 2631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Intent; 28495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.content.pm.PackageManager; 295c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guyimport android.content.pm.ProviderInfo; 3031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.res.TypedArray; 3131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Canvas; 3231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 33f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.graphics.drawable.Drawable; 345c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guyimport android.net.Uri; 35956091ba7863bd72086275e61084864994dd6fa7Joe Onoratoimport android.os.IBinder; 36080d9b614e609826dce2606f9e474af674ead933Joe Onoratoimport android.os.Parcel; 37495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.os.Parcelable; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 3931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.VelocityTracker; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewConfiguration; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewParent; 452762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powellimport android.view.animation.Interpolator; 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.widget.Scroller; 47f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.widget.TextView; 4831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49edcce099c98a6c40d10109ac092ab50f9d2668f3Romain Guyimport com.android.launcher.R; 50edcce099c98a6c40d10109ac092ab50f9d2668f3Romain Guy 5131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 5231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The workspace is a wide area with a wallpaper and a finite number of screens. Each 5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * screen contains a number of icons, folders or widgets the user can interact with. 5431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * A workspace is meant to be used with a fixed width only. 5531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 5685a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onoratopublic class Workspace extends ViewGroup implements DropTarget, DragSource, DragScroller { 57e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 583a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato private static final String TAG = "Launcher.Workspace"; 5931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int INVALID_SCREEN = -1; 6070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 6131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 6231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The velocity at which a fling gesture will cause us to snap to the next screen 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 64a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell private static final int SNAP_VELOCITY = 600; 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 668f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private final WallpaperManager mWallpaperManager; 678f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mDefaultScreen; 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private boolean mFirstLayout = true; 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCurrentScreen; 7331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mNextScreen = INVALID_SCREEN; 7431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Scroller mScroller; 7531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private VelocityTracker mVelocityTracker; 7631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 7831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * CellInfo for the cell that is currently being dragged 7931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 8031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private CellLayout.CellInfo mDragInfo; 8170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 8270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 8370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Target drop area calculated during last acceptDrop call. 8470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 8570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTargetCell = null; 8631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionX; 8831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionY; 89f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 9031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_REST = 0; 9131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_SCROLLING = 1; 9231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchState = TOUCH_STATE_REST; 9431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private OnLongClickListener mLongClickListener; 9631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Launcher mLauncher; 980589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato private IconCache mIconCache; 9900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DragController mDragController; 10070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 10170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 10270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Cache of vacant cells, used during drag events and invalidated as needed. 10370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 10470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout.CellInfo mVacantCache = null; 10570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 10631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int[] mTempCell = new int[2]; 10770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTempEstimate = new int[2]; 10831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109a9c28f6f97a4b34d9527c786e3aa8f02d92d9e07Joe Onorato private boolean mAllowLongPress = true; 11031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchSlop; 1123499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell private int mPagingTouchSlop; 113a206daaed1318005d1534cca2e4eeec56144d104Romain Guy private int mMaximumVelocity; 1143499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 1153499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell private static final int INVALID_POINTER = -1; 11631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1173499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell private int mActivePointerId = INVALID_POINTER; 1183499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 1198a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy private Drawable mPreviousIndicator; 1208a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy private Drawable mNextIndicator; 121fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 122fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell // Touch scrolling history for smoothing 123fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell private float[] mLastX = new float[6]; 124fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell private int mLastCount = 0; 1258a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 1262762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell private WorkspaceOvershootInterpolator mScrollInterpolator; 1272762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 128d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private static final float BASELINE_FLING_VELOCITY = 2500.f; 129d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private static final float FLING_VELOCITY_INFLUENCE = 0.4f; 130d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 1312762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell private static class WorkspaceOvershootInterpolator implements Interpolator { 132d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private static final float DEFAULT_TENSION = 1.3f; 1332762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell private float mTension; 1342762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 1352762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell public WorkspaceOvershootInterpolator() { 1362762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mTension = DEFAULT_TENSION; 1372762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1382762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 1392762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell public void setDistance(int distance) { 1402762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mTension = distance > 0 ? DEFAULT_TENSION / distance : DEFAULT_TENSION; 1412762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1422762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 143d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell public void disableSettle() { 144d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mTension = 0.f; 145d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 146d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 1472762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell public float getInterpolation(float t) { 1482762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell // _o(t) = t * t * ((tension + 1) * t + tension) 1492762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell // o(t) = _o(t - 1) + 1 1502762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell t -= 1.0f; 1512762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell return t * t * ((mTension + 1) * t + mTension) + 1.0f; 1522762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1532762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1542762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 15531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 15631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs) { 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 16831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 16931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 17031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param defStyle Unused. 17131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 17231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs, int defStyle) { 17331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 17431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1758f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn mWallpaperManager = WallpaperManager.getInstance(context); 1768f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 17731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Workspace, defStyle, 0); 17831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDefaultScreen = a.getInt(R.styleable.Workspace_defaultScreen, 1); 17931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 18031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1810d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato setHapticFeedbackEnabled(false); 18231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project initWorkspace(); 18331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Initializes various states for this workspace. 18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void initWorkspace() { 1890589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato Context context = getContext(); 1902762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mScrollInterpolator = new WorkspaceOvershootInterpolator(); 1912762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mScroller = new Scroller(context, mScrollInterpolator); 19231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = mDefaultScreen; 19331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 1940589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato LauncherApplication app = (LauncherApplication)context.getApplicationContext(); 1950589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato mIconCache = app.getIconCache(); 19631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 197a206daaed1318005d1534cca2e4eeec56144d104Romain Guy final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 198a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mTouchSlop = configuration.getScaledTouchSlop(); 1993499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mPagingTouchSlop = configuration.getScaledPagingTouchSlop(); 200a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 20131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 20331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 20431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 20531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 20631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 20731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index, params); 20931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 21231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child) { 21331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 21431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 21531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child); 21731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 22031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index) { 22131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 22231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 22331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index); 22531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 22831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int width, int height) { 22931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 23031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 23131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, width, height); 23331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 23631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, LayoutParams params) { 23731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 23831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 23931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, params); 24131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 24431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The open folder on the current screen, or null if there is none 24531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 24631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder getOpenFolder() { 24731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(mCurrentScreen); 24831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 24931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 25031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 25131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 25231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 25331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Folder) child; 25431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 25731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 25931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> getOpenFolders() { 26031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screens = getChildCount(); 26131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> folders = new ArrayList<Folder>(screens); 26231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screens; screen++) { 26431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(screen); 26531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 26631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 26731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 26831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 26931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 27031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project folders.add((Folder) child); 27131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 27231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 27631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return folders; 27731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 27931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean isDefaultScreenShowing() { 28031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen == mDefaultScreen; 28131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 28231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 28331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 28431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the index of the currently displayed screen. 28531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 28631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The index of the currently displayed screen. 28731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 28831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCurrentScreen() { 28931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen; 29031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 29131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 29231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 29331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Sets the current screen. 29431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 29531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param currentScreen 29631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 29731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setCurrentScreen(int currentScreen) { 298c45b16862918a0c6c253bba12032165b030565afJoe Onorato if (!mScroller.isFinished()) mScroller.abortAnimation(); 2994c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 30031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(currentScreen, getChildCount() - 1)); 301483543f31cd2a8b66c9faaf7fcb25c84296730ecRomain Guy mPreviousIndicator.setLevel(mCurrentScreen); 302483543f31cd2a8b66c9faaf7fcb25c84296730ecRomain Guy mNextIndicator.setLevel(mCurrentScreen); 30331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * getWidth(), 0); 304ed2390e7091511618bf5030d4996ccafadba3cc3Romain Guy updateWallpaperOffset(); 30531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 30631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 30731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 30831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 30931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 31031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 31131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 31331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 31431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 31531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 31631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 31731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 31831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY) { 31931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, false); 32031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 32131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 32231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 32331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 32431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 32531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 32631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 32731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 32931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 33031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 33131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 33231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 33331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY, boolean insert) { 33431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, insert); 33531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 33631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 33731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 33831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 33931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 34031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 34131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 34431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 34531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 34631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 34731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 34831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) { 34931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, screen, x, y, spanX, spanY, false); 35031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 35131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 35231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 35331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 35431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 35531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 35631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 35731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 35831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 35931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 36131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 36231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 36331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 36431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) { 36531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 36631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount()); 36731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3694c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 3704c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 37131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 37231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 37331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp == null) { 37431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp = new CellLayout.LayoutParams(x, y, spanX, spanY); 37531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 37631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellX = x; 37731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellY = y; 37831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellHSpan = spanX; 37931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellVSpan = spanY; 38031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, insert ? 0 : -1, lp); 38231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 3830d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato child.setHapticFeedbackEnabled(false); 38431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 38531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 38700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 38800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 38931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 39131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.CellInfo findAllVacantCells(boolean[] occupied) { 39231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 39331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 39470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return group.findAllVacantCells(occupied, null); 39531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 39731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3994c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy private void clearVacantCache() { 4004c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache != null) { 4014c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache.clearVacantCells(); 4024c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = null; 4034c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 4044c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 40531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 40631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 40731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Registers the specified listener on each screen contained in this workspace. 40831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 40931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param l The listener used to respond to long clicks. 41031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 41131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 41231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setOnLongClickListener(OnLongClickListener l) { 41331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLongClickListener = l; 41431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 41531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 41631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).setOnLongClickListener(l); 41731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 41831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 41931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4208f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private void updateWallpaperOffset() { 421798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(getChildAt(getChildCount() - 1).getRight() - (mRight - mLeft)); 422798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy } 423798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy 424798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy private void updateWallpaperOffset(int scrollRange) { 425956091ba7863bd72086275e61084864994dd6fa7Joe Onorato IBinder token = getWindowToken(); 426956091ba7863bd72086275e61084864994dd6fa7Joe Onorato if (token != null) { 427956091ba7863bd72086275e61084864994dd6fa7Joe Onorato mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 0 ); 428495f2892288504f4ab87e62957b3f71144dd73c2Adam Powell mWallpaperManager.setWallpaperOffsets(getWindowToken(), 429495f2892288504f4ab87e62957b3f71144dd73c2Adam Powell Math.max(0.f, Math.min(mScrollX/(float)scrollRange, 1.f)), 0); 430956091ba7863bd72086275e61084864994dd6fa7Joe Onorato } 4318f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn } 4328f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 43331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 43431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void computeScroll() { 43531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScroller.computeScrollOffset()) { 43631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX = mScroller.getCurrX(); 43731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollY = mScroller.getCurrY(); 4388f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 43931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project postInvalidate(); 44031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (mNextScreen != INVALID_SCREEN) { 44131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(mNextScreen, getChildCount() - 1)); 4428a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator.setLevel(mCurrentScreen); 4438a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator.setLevel(mCurrentScreen); 44431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = INVALID_SCREEN; 44631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 44731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 45031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 45131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 4527376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project boolean restore = false; 453e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int restoreCount = 0; 454e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 45531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // ViewGroup.dispatchDraw() supports many features we don't need: 45631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // clip to padding, layout animation, animation listener, disappearing 45731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // children, etc. The following implementation attempts to fast-track 45831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // the drawing dispatch by drawing only what we know needs to be drawn. 45931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 460f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy boolean fastDraw = mTouchState != TOUCH_STATE_SCROLLING && mNextScreen == INVALID_SCREEN; 46131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are not scrolling or flinging, draw only the current screen 46231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (fastDraw) { 46331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), getDrawingTime()); 46431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 46531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final long drawingTime = getDrawingTime(); 466d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final float scrollPos = (float) mScrollX / getWidth(); 467d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final int leftScreen = (int) scrollPos; 468d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final int rightScreen = leftScreen + 1; 469d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (leftScreen >= 0) { 470d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell drawChild(canvas, getChildAt(leftScreen), drawingTime); 471d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 472d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (scrollPos != leftScreen && rightScreen < getChildCount()) { 473d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell drawChild(canvas, getChildAt(rightScreen), drawingTime); 47431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 4767376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 4777376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project if (restore) { 478e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato canvas.restoreToCount(restoreCount); 4797376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project } 48031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 48200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato protected void onAttachedToWindow() { 48300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato super.onAttachedToWindow(); 484956091ba7863bd72086275e61084864994dd6fa7Joe Onorato computeScroll(); 48500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.setWindowToken(getWindowToken()); 48600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 48700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 48831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 48931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 49031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onMeasure(widthMeasureSpec, heightMeasureSpec); 49131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int width = MeasureSpec.getSize(widthMeasureSpec); 49331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthMode = MeasureSpec.getMode(widthMeasureSpec); 49431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthMode != MeasureSpec.EXACTLY) { 49531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 49631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 49731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightMode = MeasureSpec.getMode(heightMeasureSpec); 49931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (heightMode != MeasureSpec.EXACTLY) { 50031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 50131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // The children are given the same width and height as the workspace 50431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 50531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 50631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec); 50731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5093a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 51031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mFirstLayout) { 5113a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(false); 51231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * width, 0); 5133a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(true); 514798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(width * (getChildCount() - 1)); 51531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mFirstLayout = false; 51631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 51931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 52031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 52131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = 0; 52231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 52331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 52431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 52531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View child = getChildAt(i); 52631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != View.GONE) { 52731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int childWidth = child.getMeasuredWidth(); 52831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, 0, childLeft + childWidth, child.getMeasuredHeight()); 52931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childLeft += childWidth; 53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 53431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 53531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 53631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen = indexOfChild(child); 53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen != mCurrentScreen || !mScroller.isFinished()) { 53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mLauncher.isWorkspaceLocked()) { 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(screen); 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 54731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { 548678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 54931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 55031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder != null) { 55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return openFolder.requestFocus(direction, previouslyFocusedRect); 55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 55331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int focusableScreen; 55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen != INVALID_SCREEN) { 55531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mNextScreen; 55631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 55731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mCurrentScreen; 55831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(focusableScreen).requestFocus(direction, previouslyFocusedRect); 56031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 56331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 56731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 56831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() > 0) { 56931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() - 1); 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 57131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT) { 57331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() < getChildCount() - 1) { 57431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() + 1); 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 57631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return super.dispatchUnhandledMove(focused, direction); 57931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 582c2e24c0a37ddeab930f731c062705d435e477f75Romain Guy public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 583678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 58431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 58531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder == null) { 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen).addFocusables(views, direction); 58731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 58831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen > 0) { 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen - 1).addFocusables(views, direction); 59031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT){ 59231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen < getChildCount() - 1) { 59331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen + 1).addFocusables(views, direction); 59431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 59731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project openFolder.addFocusables(views, direction); 59831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 60231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 6037bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato public boolean dispatchTouchEvent(MotionEvent ev) { 6047bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (ev.getAction() == MotionEvent.ACTION_DOWN) { 6057bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (mLauncher.isWorkspaceLocked() || mLauncher.isAllAppsVisible()) { 6067bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return false; 6077bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6087bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6097bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return super.dispatchTouchEvent(ev); 6107bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6117bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato 6127bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato @Override 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 61468ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato final boolean workspaceLocked = mLauncher.isWorkspaceLocked(); 61568ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato final boolean allAppsVisible = mLauncher.isAllAppsVisible(); 61668ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato if (workspaceLocked || allAppsVisible) { 6177c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * This method JUST determines whether we want to intercept the motion. 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If we return true, onTouchEvent will be called and we do the actual 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * scrolling there. 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Shortcut the most recurring case: the user is in the dragging 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * state and he is moving his finger. We want to intercept this 62931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * motion. 63031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 63131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 63231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) { 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 63431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 636a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell if (mVelocityTracker == null) { 637a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker = VelocityTracker.obtain(); 638a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell } 639a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker.addMovement(ev); 640a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell 6413499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell switch (action & MotionEvent.ACTION_MASK) { 6423499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_MOVE: { 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * whether the user has moved far enough from his original down touch. 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 64931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Locally do absolute value. mLastMotionX is set to the y value 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * of the down event. 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 6523499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 6533499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float x = ev.getX(pointerIndex); 6543499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float y = ev.getY(pointerIndex); 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int xDiff = (int) Math.abs(x - mLastMotionX); 65631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int yDiff = (int) Math.abs(y - mLastMotionY); 65731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 658c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell final int touchSlop = mTouchSlop; 659c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell boolean xPaged = xDiff > mPagingTouchSlop; 660c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell boolean xMoved = xDiff > touchSlop; 661c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell boolean yMoved = yDiff > touchSlop; 66231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved || yMoved) { 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 665c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell if (xPaged) { 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll if the user moved far enough along the X axis 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_SCROLLING; 6683499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionX = x; 669fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1); 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Either way, cancel any pending longpress 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mAllowLongPress) { 67331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Try canceling the long press. It could also have been scheduled 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // by a distant descendant, so use the mAllowLongPress flag to block 67631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // everything 67731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View currentScreen = getChildAt(mCurrentScreen); 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen.cancelLongPress(); 67931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 68031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 68131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 6823499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 68331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6843499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_DOWN: { 6853499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float x = ev.getX(); 6863499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float y = ev.getY(); 68731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember location of down touch 68831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 68931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionY = y; 6903499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = ev.getPointerId(0); 69131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = true; 69231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 69331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 69431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches the screen, initiate drag; 69531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * otherwise don't. mScroller.isFinished should be false when 69631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * being flinged. 69731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 69831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING; 69931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 7003499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 70131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 70331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 704f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 705f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (mTouchState != TOUCH_STATE_SCROLLING) { 706f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron final CellLayout currentScreen = (CellLayout)getChildAt(mCurrentScreen); 707f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (!currentScreen.lastDownOnOccupiedCell()) { 70806762ab54d64e84328d427403bb6074dfd0f630cRomain Guy getLocationOnScreen(mTempCell); 709f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron // Send a tap to the wallpaper if the last down was on empty space 7103499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 711f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron mWallpaperManager.sendWallpaperCommand(getWindowToken(), 71206762ab54d64e84328d427403bb6074dfd0f630cRomain Guy "android.wallpaper.tap", 7133499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mTempCell[0] + (int) ev.getX(pointerIndex), 7143499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mTempCell[1] + (int) ev.getY(pointerIndex), 0, null); 715f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 716f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 717f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 71831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Release the drag 71931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 72031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 7213499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = INVALID_POINTER; 72231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 723a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell 724a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell if (mVelocityTracker != null) { 725a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker.recycle(); 726a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker = null; 727a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell } 728f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 7303499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 7313499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_POINTER_UP: 7323499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell onSecondaryPointerUp(ev); 7333499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell break; 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 73731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The only time we want to intercept motion events is if we are in the 73831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * drag mode. 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mTouchState != TOUCH_STATE_REST; 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 7423499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 7433499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell private void onSecondaryPointerUp(MotionEvent ev) { 7443499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> 7453499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell MotionEvent.ACTION_POINTER_INDEX_SHIFT; 7463499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerId = ev.getPointerId(pointerIndex); 7473499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell if (pointerId == mActivePointerId) { 7483499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell // This was our active pointer going up. Choose a new 7493499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell // active pointer and adjust accordingly. 7503499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell // TODO: Make this decision more intelligent. 7513499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int newPointerIndex = pointerIndex == 0 ? 1 : 0; 7523499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionX = ev.getX(newPointerIndex); 7533499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionY = ev.getY(newPointerIndex); 7543499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = ev.getPointerId(newPointerIndex); 7553499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell if (mVelocityTracker != null) { 7563499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mVelocityTracker.clear(); 7573499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 758fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell resetFilter(); 7593499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 7603499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 76131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7623a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato /** 7633a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * If one of our descendant views decides that it could be focused now, only 7643a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * pass that along if it's on the current screen. 7653a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * 7663a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * This happens when live folders requery, and if they're off screen, they 7673a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * end up calling requestFocus, which pulls it on screen. 7683a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato */ 7693a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato @Override 7703a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato public void focusableViewAvailable(View focused) { 7713a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View current = getChildAt(mCurrentScreen); 7723a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View v = focused; 7733a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato while (true) { 7743a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == current) { 7753a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato super.focusableViewAvailable(focused); 7763a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 7773a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 7783a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == this) { 7793a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 7803a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 7813a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato ViewParent parent = v.getParent(); 7823a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (parent instanceof View) { 7833a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato v = (View)v.getParent(); 7843a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } else { 7853a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 7863a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 7873a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 7883a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 7893a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato 7903a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron void enableChildrenCache(int fromScreen, int toScreen) { 7913a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron if (fromScreen > toScreen) { 792fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell final int temp = fromScreen; 793fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell fromScreen = toScreen; 794d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell toScreen = temp; 7953a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } 7963a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 79731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 798fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 7993a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron fromScreen = Math.max(fromScreen, 0); 8003a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron toScreen = Math.min(toScreen, count - 1); 801fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 8023a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron for (int i = fromScreen; i <= toScreen; i++) { 80331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 80431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(true); 80531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawingCacheEnabled(true); 80631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void clearChildrenCache() { 81031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 81131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 81231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 81331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(false); 81431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 81531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 816fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 817fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell private float filterX(float x) { 818fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell final float[] lastX = mLastX; 819fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell final int len = lastX.length; 820fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell final int lastCount = Math.min(len, mLastCount + 1); 821fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 822fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell float sum = x; 823fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell for (int i = 1; i < lastCount; i++) { 824fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell sum += lastX[i] = lastX[i - 1]; 825fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell } 826fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell lastX[0] = x; 827fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 828fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell mLastCount = lastCount; 829fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell return sum / lastCount; 830fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell } 831fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 832fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell private void resetFilter() { 833fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell mLastCount = 0; 834fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell } 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 838f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 8392bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isWorkspaceLocked()) { 8402bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 8412bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 8422bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isAllAppsVisible()) { 8432bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato // Cancel any scrolling that is in progress. 8442bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (!mScroller.isFinished()) { 8452bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato mScroller.abortAnimation(); 8462bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 8472bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato snapToScreen(mCurrentScreen); 8487c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 84931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker == null) { 85231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 85331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.addMovement(ev); 85531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8583499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell switch (action & MotionEvent.ACTION_MASK) { 85931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches, stop the fling. isFinished 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * will be false if being flinged. 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mScroller.isFinished()) { 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.abortAnimation(); 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember where the motion event started 8693499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionX = ev.getX(); 8703499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = ev.getPointerId(0); 871fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell if (mTouchState == TOUCH_STATE_SCROLLING) { 872fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1); 873fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell } 87431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 87531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 87631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 87731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll to follow the motion event 8783499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 879fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell final float x = filterX(ev.getX(pointerIndex)); 880fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell final float deltaX = mLastMotionX - x; 88131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 88231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (deltaX < 0) { 88431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScrollX > 0) { 885fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell scrollBy(Math.round(Math.max(-mScrollX, deltaX)), 0); 8868f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 88731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (deltaX > 0) { 88931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int availableToScroll = getChildAt(getChildCount() - 1).getRight() - 89031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollX - getWidth(); 89131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (availableToScroll > 0) { 892fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell scrollBy(Math.round(Math.min(availableToScroll, deltaX)), 0); 8938f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 89431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 8953a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } else { 8963a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron awakenScrollBars(); 89731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 90031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 90131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 90231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final VelocityTracker velocityTracker = mVelocityTracker; 903a206daaed1318005d1534cca2e4eeec56144d104Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 9043499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int velocityX = (int) velocityTracker.getXVelocity(mActivePointerId); 9053499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 9063499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int screenWidth = getWidth(); 9073499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int whichScreen = (mScrollX + (screenWidth / 2)) / screenWidth; 908327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell final float scrolledPos = (float) mScrollX / screenWidth; 9093499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 91031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (velocityX > SNAP_VELOCITY && mCurrentScreen > 0) { 911327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell // Fling hard enough to move left. 912327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell // Don't fling across more than one screen at a time. 913327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell final int bound = scrolledPos < whichScreen ? 914327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell mCurrentScreen - 1 : mCurrentScreen; 915d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(Math.min(whichScreen, bound), velocityX, true); 91631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (velocityX < -SNAP_VELOCITY && mCurrentScreen < getChildCount() - 1) { 91731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move right 918327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell // Don't fling across more than one screen at a time. 919327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell final int bound = scrolledPos > whichScreen ? 920327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell mCurrentScreen + 1 : mCurrentScreen; 921d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(Math.max(whichScreen, bound), velocityX, true); 92231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 923d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(whichScreen, 0, true); 92431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker != null) { 92731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.recycle(); 92831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = null; 92931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 930fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell resetFilter(); 93131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 9333499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = INVALID_POINTER; 93431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 93531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 93631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 9373499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = INVALID_POINTER; 938fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell resetFilter(); 9393499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell break; 9403499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_POINTER_UP: 9413499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell onSecondaryPointerUp(ev); 9423499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell break; 94331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 94631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 947d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 948d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell void snapToScreen(int whichScreen) { 949d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(whichScreen, 0, false); 95031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 95131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 952d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private void snapToScreen(int whichScreen, int velocity, boolean settle) { 953e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy //if (!mScroller.isFinished()) return; 95482d94d9e9ee4eb6b14db3c8df2f47dcae5ce4ab0Romain Guy 9553a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1)); 9563a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 9574c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 9583a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron enableChildrenCache(mCurrentScreen, whichScreen); 95931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 96031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = whichScreen; 961e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy 962e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mPreviousIndicator.setLevel(mNextScreen); 963e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mNextIndicator.setLevel(mNextScreen); 964ed2390e7091511618bf5030d4996ccafadba3cc3Romain Guy 96531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View focusedChild = getFocusedChild(); 966d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (focusedChild != null && whichScreen != mCurrentScreen && 967d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell focusedChild == getChildAt(mCurrentScreen)) { 96831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusedChild.clearFocus(); 96931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 97031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 971d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final int screenDelta = Math.max(1, Math.abs(whichScreen - mCurrentScreen)); 97231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int newX = whichScreen * getWidth(); 97331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int delta = newX - mScrollX; 974d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell int duration = (screenDelta + 1) * 100; 975f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy 976d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (!mScroller.isFinished()) { 977d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mScroller.abortAnimation(); 978d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 979d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 980d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (settle) { 981d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mScrollInterpolator.setDistance(screenDelta); 982d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } else { 983d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mScrollInterpolator.disableSettle(); 984d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 985d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 986d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell velocity = Math.abs(velocity); 987d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (velocity > 0) { 988d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell duration += (duration / (velocity / BASELINE_FLING_VELOCITY)) 989d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell * FLING_VELOCITY_INFLUENCE; 990d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } else { 991d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell duration += 100; 992d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 993d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 994d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell awakenScrollBars(duration); 995c45b16862918a0c6c253bba12032165b030565afJoe Onorato mScroller.startScroll(mScrollX, 0, delta, 0, duration); 99631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 99731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 99931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void startDrag(CellLayout.CellInfo cellInfo) { 100031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = cellInfo.cell; 100131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Make sure the drag was started by a long press as opposed to a long click. 10037984c9496bcaeca23ee7fdecc4d4f1bb2467e0f2Bjorn Bringert if (!child.isInTouchMode()) { 100431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return; 100531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 100631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = cellInfo; 100831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo.screen = mCurrentScreen; 100931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout current = ((CellLayout) getChildAt(mCurrentScreen)); 101131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project current.onDragChild(child); 101300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.startDrag(child, this, child.getTag(), DragController.DRAG_ACTION_MOVE); 101431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 101531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 101831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected Parcelable onSaveInstanceState() { 101931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final SavedState state = new SavedState(super.onSaveInstanceState()); 102031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project state.currentScreen = mCurrentScreen; 102131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return state; 102231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 102331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 102431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 102531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 102631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState savedState = (SavedState) state; 102731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onRestoreInstanceState(savedState.getSuperState()); 102831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (savedState.currentScreen != -1) { 102931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = savedState.currentScreen; 103031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 103131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10340589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato void addApplicationShortcut(ShortcutInfo info, CellLayout.CellInfo cellInfo) { 103531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addApplicationShortcut(info, cellInfo, false); 103631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10380589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato void addApplicationShortcut(ShortcutInfo info, CellLayout.CellInfo cellInfo, 103931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 104031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(cellInfo.screen); 104131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int[] result = new int[2]; 104231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 104331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.cellToPoint(cellInfo.cellX, cellInfo.cellY, result); 104431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(result[0], result[1], info, layout, insertAtFirst); 104531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 104700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, 104800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 104970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout cellLayout = getCurrentDropLayout(); 105031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (source != this) { 105131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x - xOffset, y - yOffset, dragInfo, cellLayout); 105231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 105331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Move internally 105431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 105531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View cell = mDragInfo.cell; 105652d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 105752d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy if (index != mDragInfo.screen) { 105831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen); 105931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project originalCellLayout.removeView(cell); 106031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(cell); 106131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1062263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x - xOffset, y - yOffset, 106370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mDragInfo.spanX, mDragInfo.spanY, cell, cellLayout, mTargetCell); 106470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(cell, mTargetCell); 106531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 106684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy final ItemInfo info = (ItemInfo) cell.getTag(); 106731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams(); 106831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.moveItemInDatabase(mLauncher, info, 106952d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy LauncherSettings.Favorites.CONTAINER_DESKTOP, index, lp.cellX, lp.cellY); 107031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 107431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, 107500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 10764c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 107731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 107931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, 108000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 108131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, 108400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 10854c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 108631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout) { 108931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x, y, dragInfo, cellLayout, false); 109031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout, 109331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 109431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Drag from somewhere else 109531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ItemInfo info = (ItemInfo) dragInfo; 109631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View view; 109831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (info.itemType) { 110031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 110131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1102e48e7c1a62e6a367803dca62c8fce9de57121b0fJoe Onorato if (info.container == NO_ID && info instanceof ApplicationInfo) { 110331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Came from all apps -- make a copy 110459d5245b0fb8014fc16d4791fb3a031cc29799aaJoe Onorato info = new ShortcutInfo((ApplicationInfo)info); 110531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11060589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato view = mLauncher.createShortcut(R.layout.application, cellLayout, (ShortcutInfo)info); 110731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 110831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 110931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher, 111031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ViewGroup) getChildAt(mCurrentScreen), ((UserFolderInfo) info)); 111131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project default: 111331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Unknown item type: " + info.itemType); 111431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 111631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(view, insertAtFirst ? 0 : -1); 11170d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato view.setHapticFeedbackEnabled(false); 111831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setOnLongClickListener(mLongClickListener); 111900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (view instanceof DropTarget) { 1120207e40ee66fddded52a028b8f68be3605da3df37Romain Guy mDragController.addDropTarget((DropTarget) view); 112100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 112200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 1123263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x, y, 1, 1, view, cellLayout, mTargetCell); 112470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(view, mTargetCell); 112531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams(); 112631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 112731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.addOrMoveItemInDatabase(mLauncher, info, 112831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherSettings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY); 112931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 113170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 113270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Return the current {@link CellLayout}, correctly picking the destination 113370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * screen while a scroll is in progress. 113470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 113570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout getCurrentDropLayout() { 113670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 113770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return (CellLayout) getChildAt(index); 113870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 113931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 114070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 114170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 114270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 114370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public boolean acceptDrop(DragSource source, int x, int y, 114400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo) { 11454c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout layout = getCurrentDropLayout(); 11464c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout.CellInfo cellInfo = mDragInfo; 11474c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 11484c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 11494c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 11504c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache == null) { 11514c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final View ignoreView = cellInfo == null ? null : cellInfo.cell; 11524c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = layout.findAllVacantCells(null, ignoreView); 11534c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 11544c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 11554c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy return mVacantCache.findCellForSpan(mTempEstimate, spanX, spanY, false); 115670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 115770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 115870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 115970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 116070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 116170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public Rect estimateDropLocation(DragSource source, int x, int y, 116200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo, Rect recycle) { 116370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout layout = getCurrentDropLayout(); 116470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 116531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout.CellInfo cellInfo = mDragInfo; 116670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 116770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 116870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final View ignoreView = cellInfo == null ? null : cellInfo.cell; 116970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 117070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final Rect location = recycle != null ? recycle : new Rect(); 117170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 117270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find drop cell and convert into rectangle 1173263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy int[] dropCell = estimateDropCell(x - xOffset, y - yOffset, 117470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, ignoreView, layout, mTempCell); 117570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 117670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (dropCell == null) { 117770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 117870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 117970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 118070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0], dropCell[1], mTempEstimate); 118170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.left = mTempEstimate[0]; 118270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.top = mTempEstimate[1]; 118370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 118470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0] + spanX, dropCell[1] + spanY, mTempEstimate); 118570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.right = mTempEstimate[0]; 118670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.bottom = mTempEstimate[1]; 118770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 118870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return location; 118931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 119170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 119270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Calculate the nearest cell where the given object would be dropped. 119370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 1194263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy private int[] estimateDropCell(int pixelX, int pixelY, 119570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) { 119670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Create vacant cell cache if none exists 119770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (mVacantCache == null) { 119870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mVacantCache = layout.findAllVacantCells(null, ignoreView); 119970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 120070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 120170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find the best target drop location 120270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return layout.findNearestVacantArea(pixelX, pixelY, 120370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, mVacantCache, recycle); 120470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 120570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 120631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setLauncher(Launcher launcher) { 120731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLauncher = launcher; 120831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 120931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setDragController(DragController dragController) { 121100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController = dragController; 121231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 121331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDropCompleted(View target, boolean success) { 1215207e40ee66fddded52a028b8f68be3605da3df37Romain Guy clearVacantCache(); 1216207e40ee66fddded52a028b8f68be3605da3df37Romain Guy 121731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (success){ 121831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (target != this && mDragInfo != null) { 121931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 122031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.removeView(mDragInfo.cell); 122100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragInfo.cell instanceof DropTarget) { 122200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)mDragInfo.cell); 122300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 1224207e40ee66fddded52a028b8f68be3605da3df37Romain Guy //final Object tag = mDragInfo.cell.getTag(); 122531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 122831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.onDropAborted(mDragInfo.cell); 123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = null; 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollLeft() { 12374c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 1238f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mScroller.isFinished()) { 1239f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mCurrentScreen > 0) snapToScreen(mCurrentScreen - 1); 1240f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy } else { 1241f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mNextScreen > 0) snapToScreen(mNextScreen - 1); 124231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 124531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollRight() { 12464c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 1247f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mScroller.isFinished()) { 1248f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mCurrentScreen < getChildCount() -1) snapToScreen(mCurrentScreen + 1); 1249f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy } else { 1250f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mNextScreen < getChildCount() -1) snapToScreen(mNextScreen + 1); 125131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 125231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 125331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 125431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int getScreenForView(View v) { 125531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int result = -1; 125631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v != null) { 125731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ViewParent vp = v.getParent(); 125831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 125931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 126031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vp == getChildAt(i)) { 126131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return i; 126231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return result; 126631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1267138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 126831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Folder getFolderForTag(Object tag) { 126931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 127031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 127131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 127231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 127331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 127431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 127531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 127631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 127731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder f = (Folder) child; 127831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (f.getInfo() == tag) { 127931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return f; 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 128731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public View getViewForTag(Object tag) { 128831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 128931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 129031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 129131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 129231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getTag() == tag) { 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return child; 129631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 130331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True is long presses are still allowed for the current touch 130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 130531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean allowLongPress() { 130631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mAllowLongPress; 130731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1308ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project 1309ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project /** 1310ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * Set true to allow long-press events to be triggered, usually checked by 1311ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * {@link Launcher} to accept or block dpad-initiated long-presses. 1312ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project */ 1313ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project public void setAllowLongPress(boolean allowLongPress) { 1314ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project mAllowLongPress = allowLongPress; 1315ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project } 131631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato void removeItems(final ArrayList<ApplicationInfo> apps) { 131831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 13195c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy final PackageManager manager = getContext().getPackageManager(); 1320629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final AppWidgetManager widgets = AppWidgetManager.getInstance(getContext()); 1321574d20ec84551370987dde530c27ec493bdef564Romain Guy 132264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato final HashSet<String> packageNames = new HashSet<String>(); 132364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato final int appCount = apps.size(); 132464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (int i = 0; i < appCount; i++) { 132564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato packageNames.add(apps.get(i).componentName.getPackageName()); 132664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 132764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato 132831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 132931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1330629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1331629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy // Avoid ANRs by treating each screen separately 1332629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy post(new Runnable() { 1333629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy public void run() { 1334629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ArrayList<View> childrenToRemove = new ArrayList<View>(); 1335629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy childrenToRemove.clear(); 1336629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1337629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy int childCount = layout.getChildCount(); 1338629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy for (int j = 0; j < childCount; j++) { 1339629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final View view = layout.getChildAt(j); 1340629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy Object tag = view.getTag(); 1341629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 13420589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato if (tag instanceof ShortcutInfo) { 13430589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ShortcutInfo info = (ShortcutInfo) tag; 1344629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Intent intent = info.intent; 1345629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ComponentName name = intent.getComponent(); 1346629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 134764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 134864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 134964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(name.getPackageName())) { 135064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 135164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase(mLauncher, info); 135264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato childrenToRemove.add(view); 135364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 135464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1355629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1356629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } else if (tag instanceof UserFolderInfo) { 1357629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final UserFolderInfo info = (UserFolderInfo) tag; 13580589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ArrayList<ShortcutInfo> contents = info.contents; 13590589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ArrayList<ShortcutInfo> toRemove = new ArrayList<ShortcutInfo>(1); 1360629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final int contentsCount = contents.size(); 1361629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy boolean removedFromFolder = false; 1362629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1363629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy for (int k = 0; k < contentsCount; k++) { 13640589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ShortcutInfo appInfo = contents.get(k); 1365629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Intent intent = appInfo.intent; 1366629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ComponentName name = intent.getComponent(); 1367629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 136864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 136964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 137064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(name.getPackageName())) { 137164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato toRemove.add(appInfo); 137264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 137364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase( 137464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato mLauncher, appInfo); 137564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato removedFromFolder = true; 137664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 137764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1378629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1379629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1380629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1381629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy contents.removeAll(toRemove); 1382629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (removedFromFolder) { 1383629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Folder folder = getOpenFolder(); 1384629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (folder != null) folder.notifyDataSetChanged(); 1385629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1386629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } else if (tag instanceof LiveFolderInfo) { 1387629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final LiveFolderInfo info = (LiveFolderInfo) tag; 1388629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Uri uri = info.uri; 1389629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ProviderInfo providerInfo = manager.resolveContentProvider( 1390629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy uri.getAuthority(), 0); 1391629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1392f11079b11e98912ed56546eaa300efd06c6eb917Joe Onorato if (providerInfo != null) { 139364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 139464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(providerInfo.packageName)) { 139564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 139664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase(mLauncher, info); 139764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato childrenToRemove.add(view); 139864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 139964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1400629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1401629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } else if (tag instanceof LauncherAppWidgetInfo) { 1402629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) tag; 1403629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final AppWidgetProviderInfo provider = 1404629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy widgets.getAppWidgetInfo(info.appWidgetId); 140564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (provider == null) { 140664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 140764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(provider.provider.getPackageName())) { 140864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 140964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase(mLauncher, info); 141064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato childrenToRemove.add(view); 141164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 141264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1413629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1414574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1415574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1416629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1417629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy childCount = childrenToRemove.size(); 1418629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy for (int j = 0; j < childCount; j++) { 1419629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy View child = childrenToRemove.get(j); 1420629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy layout.removeViewInLayout(child); 1421629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (child instanceof DropTarget) { 1422629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy mDragController.removeDropTarget((DropTarget)child); 1423629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1424574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1425629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1426629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (childCount > 0) { 1427629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy layout.requestLayout(); 1428629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy layout.invalidate(); 14295c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy } 143031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1431629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy }); 143231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 143331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1434f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 143564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato void updateShortcuts(ArrayList<ApplicationInfo> apps) { 14369c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final PackageManager pm = mLauncher.getPackageManager(); 14379c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato 1438f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final int count = getChildCount(); 1439f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int i = 0; i < count; i++) { 1440f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1441f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project int childCount = layout.getChildCount(); 1442f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int j = 0; j < childCount; j++) { 1443f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final View view = layout.getChildAt(j); 1444f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Object tag = view.getTag(); 14450589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato if (tag instanceof ShortcutInfo) { 14460589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato ShortcutInfo info = (ShortcutInfo)tag; 1447f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 1448f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 1449f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // web pages.) 1450f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final Intent intent = info.intent; 1451f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final ComponentName name = intent.getComponent(); 1452f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 145364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 145464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato final int appCount = apps.size(); 145564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (int k=0; k<appCount; k++) { 145664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato ApplicationInfo app = apps.get(k); 145764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (app.componentName.equals(name)) { 145864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato info.setIcon(mIconCache.getIcon(info.intent)); 145964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato ((TextView)view).setCompoundDrawablesWithIntrinsicBounds(null, 146064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato new FastBitmapDrawable(info.getIcon(mIconCache)), 146164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato null, null); 146264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 146364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1464f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1465f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1466f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1467f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1468f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1469f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 147014f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato void moveToDefaultScreen(boolean animate) { 1471c45b16862918a0c6c253bba12032165b030565afJoe Onorato if (animate) { 1472c45b16862918a0c6c253bba12032165b030565afJoe Onorato snapToScreen(mDefaultScreen); 1473c45b16862918a0c6c253bba12032165b030565afJoe Onorato } else { 1474c45b16862918a0c6c253bba12032165b030565afJoe Onorato setCurrentScreen(mDefaultScreen); 1475c45b16862918a0c6c253bba12032165b030565afJoe Onorato } 147631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mDefaultScreen).requestFocus(); 147731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 147831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14798a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy void setIndicators(Drawable previous, Drawable next) { 14808a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator = previous; 14818a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator = next; 14828a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy previous.setLevel(mCurrentScreen); 14838a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy next.setLevel(mCurrentScreen); 14848a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy } 14858a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 148631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class SavedState extends BaseSavedState { 148731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int currentScreen = -1; 148831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 148931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState(Parcelable superState) { 149031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(superState); 149131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 149231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 149331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private SavedState(Parcel in) { 149431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(in); 149531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen = in.readInt(); 149631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 149731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 149831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 149931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 150031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.writeToParcel(out, flags); 150131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project out.writeInt(currentScreen); 150231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 150331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 150431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR = 150531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new Parcelable.Creator<SavedState>() { 150631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState createFromParcel(Parcel in) { 150731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState(in); 150831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 150931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 151031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState[] newArray(int size) { 151131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState[size]; 151231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 151331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project }; 151431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 151531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1516