Workspace.java revision 291ad12232c98e383d44d76ffe09e97e204c61bc
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; 39291ad12232c98e383d44d76ffe09e97e204c61bcDaniel Sandlerimport android.util.Log; 4031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.VelocityTracker; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewConfiguration; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewParent; 462762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powellimport android.view.animation.Interpolator; 4731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.widget.Scroller; 48f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.widget.TextView; 4931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50edcce099c98a6c40d10109ac092ab50f9d2668f3Romain Guyimport com.android.launcher.R; 51edcce099c98a6c40d10109ac092ab50f9d2668f3Romain Guy 5231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The workspace is a wide area with a wallpaper and a finite number of screens. Each 5431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * screen contains a number of icons, folders or widgets the user can interact with. 5531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * A workspace is meant to be used with a fixed width only. 5631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 5785a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onoratopublic class Workspace extends ViewGroup implements DropTarget, DragSource, DragScroller { 58e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 593a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato private static final String TAG = "Launcher.Workspace"; 6031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int INVALID_SCREEN = -1; 6170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 6231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The velocity at which a fling gesture will cause us to snap to the next screen 6431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 65a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell private static final int SNAP_VELOCITY = 600; 6631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 678f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private final WallpaperManager mWallpaperManager; 688f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mDefaultScreen; 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private boolean mFirstLayout = true; 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCurrentScreen; 7431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mNextScreen = INVALID_SCREEN; 7531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Scroller mScroller; 7631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private VelocityTracker mVelocityTracker; 7731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 7931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * CellInfo for the cell that is currently being dragged 8031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 8131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private CellLayout.CellInfo mDragInfo; 8270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 8370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 8470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Target drop area calculated during last acceptDrop call. 8570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 8670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTargetCell = null; 8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionX; 8931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionY; 90f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 9131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_REST = 0; 9231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_SCROLLING = 1; 9331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchState = TOUCH_STATE_REST; 9531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private OnLongClickListener mLongClickListener; 9731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Launcher mLauncher; 990589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato private IconCache mIconCache; 10000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DragController mDragController; 10170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 10270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 10370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Cache of vacant cells, used during drag events and invalidated as needed. 10470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 10570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout.CellInfo mVacantCache = null; 10670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 10731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int[] mTempCell = new int[2]; 10870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTempEstimate = new int[2]; 10931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 110a9c28f6f97a4b34d9527c786e3aa8f02d92d9e07Joe Onorato private boolean mAllowLongPress = true; 11131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchSlop; 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 122fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell private static final float NANOTIME_DIV = 1000000000.0f; 123fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell private static final float SMOOTHING_SPEED = 0.75f; 124fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell private static final float SMOOTHING_CONSTANT = (float) (0.016 / Math.log(SMOOTHING_SPEED)); 125fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell private float mSmoothingTime; 126fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell private float mTouchX; 1278a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 1282762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell private WorkspaceOvershootInterpolator mScrollInterpolator; 1292762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 130d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private static final float BASELINE_FLING_VELOCITY = 2500.f; 131d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private static final float FLING_VELOCITY_INFLUENCE = 0.4f; 132d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 1332762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell private static class WorkspaceOvershootInterpolator implements Interpolator { 134d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private static final float DEFAULT_TENSION = 1.3f; 1352762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell private float mTension; 1362762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 1372762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell public WorkspaceOvershootInterpolator() { 1382762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mTension = DEFAULT_TENSION; 1392762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1402762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 1412762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell public void setDistance(int distance) { 1422762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mTension = distance > 0 ? DEFAULT_TENSION / distance : DEFAULT_TENSION; 1432762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1442762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 145d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell public void disableSettle() { 146d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mTension = 0.f; 147d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 148d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 1492762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell public float getInterpolation(float t) { 1502762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell // _o(t) = t * t * ((tension + 1) * t + tension) 1512762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell // o(t) = _o(t - 1) + 1 1522762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell t -= 1.0f; 1532762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell return t * t * ((mTension + 1) * t + mTension) + 1.0f; 1542762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1552762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1562762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs) { 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 16831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 16931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 17031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 17131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 17231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param defStyle Unused. 17331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 17431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs, int defStyle) { 17531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 17631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1778f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn mWallpaperManager = WallpaperManager.getInstance(context); 1788f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 17931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Workspace, defStyle, 0); 18031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDefaultScreen = a.getInt(R.styleable.Workspace_defaultScreen, 1); 18131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 18231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1830d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato setHapticFeedbackEnabled(false); 18431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project initWorkspace(); 18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Initializes various states for this workspace. 18931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 19031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void initWorkspace() { 1910589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato Context context = getContext(); 1922762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mScrollInterpolator = new WorkspaceOvershootInterpolator(); 1932762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mScroller = new Scroller(context, mScrollInterpolator); 19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = mDefaultScreen; 19531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 1960589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato LauncherApplication app = (LauncherApplication)context.getApplicationContext(); 1970589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato mIconCache = app.getIconCache(); 19831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 199a206daaed1318005d1534cca2e4eeec56144d104Romain Guy final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 200a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mTouchSlop = configuration.getScaledTouchSlop(); 201a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 20231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 20431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 20531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 20631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 20731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 20831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index, params); 21031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 21331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child) { 21431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 21531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 21631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child); 21831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 22131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index) { 22231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 22331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 22431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index); 22631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 22931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int width, int height) { 23031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 23131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 23231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, width, height); 23431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 23731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, LayoutParams params) { 23831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 23931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 24031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, params); 24231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 24531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The open folder on the current screen, or null if there is none 24631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 24731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder getOpenFolder() { 24831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(mCurrentScreen); 24931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 25031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 25131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 25231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 25331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 25431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Folder) child; 25531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 25831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> getOpenFolders() { 26131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screens = getChildCount(); 26231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> folders = new ArrayList<Folder>(screens); 26331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screens; screen++) { 26531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(screen); 26631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 26731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 26831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 26931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 27031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 27131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project folders.add((Folder) child); 27231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 27331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 27731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return folders; 27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 28031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean isDefaultScreenShowing() { 28131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen == mDefaultScreen; 28231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 28331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 28431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 28531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the index of the currently displayed screen. 28631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 28731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The index of the currently displayed screen. 28831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 28931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCurrentScreen() { 29031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen; 29131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 29231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 29331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 29431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Sets the current screen. 29531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 29631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param currentScreen 29731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 29831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setCurrentScreen(int currentScreen) { 299c45b16862918a0c6c253bba12032165b030565afJoe Onorato if (!mScroller.isFinished()) mScroller.abortAnimation(); 3004c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 30131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(currentScreen, getChildCount() - 1)); 302483543f31cd2a8b66c9faaf7fcb25c84296730ecRomain Guy mPreviousIndicator.setLevel(mCurrentScreen); 303483543f31cd2a8b66c9faaf7fcb25c84296730ecRomain Guy mNextIndicator.setLevel(mCurrentScreen); 30431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * getWidth(), 0); 305ed2390e7091511618bf5030d4996ccafadba3cc3Romain Guy updateWallpaperOffset(); 30631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 30731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 30831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 30931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 31031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 31131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 31331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 31431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 31531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 31631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 31731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 31831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 31931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY) { 32031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, false); 32131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 32231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 32331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 32431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 32531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 32631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 32731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 32931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 33031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 33131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 33231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 33331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 33431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY, boolean insert) { 33531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, insert); 33631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 33731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 33831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 33931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 34031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 34131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 34431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 34531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 34631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 34731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 34831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 34931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) { 35031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, screen, x, y, spanX, spanY, false); 35131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 35231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 35331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 35431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 35531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 35631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 35731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 35831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 35931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 36131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 36231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 36331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 36431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 36531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) { 36631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 367291ad12232c98e383d44d76ffe09e97e204c61bcDaniel Sandler Log.e(TAG, "The screen must be >= 0 and < " + getChildCount() 368291ad12232c98e383d44d76ffe09e97e204c61bcDaniel Sandler + " (was " + screen + "); skipping child"); 369291ad12232c98e383d44d76ffe09e97e204c61bcDaniel Sandler return; 37031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 37131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3724c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 3734c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 37431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 37531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 37631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp == null) { 37731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp = new CellLayout.LayoutParams(x, y, spanX, spanY); 37831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 37931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellX = x; 38031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellY = y; 38131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellHSpan = spanX; 38231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellVSpan = spanY; 38331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, insert ? 0 : -1, lp); 38531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 3860d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato child.setHapticFeedbackEnabled(false); 38731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 38831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 39000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 39100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 39231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 39431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.CellInfo findAllVacantCells(boolean[] occupied) { 39531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 39770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return group.findAllVacantCells(occupied, null); 39831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 40031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 40131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4024c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy private void clearVacantCache() { 4034c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache != null) { 4044c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache.clearVacantCells(); 4054c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = null; 4064c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 4074c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 40831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 40931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 41031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Registers the specified listener on each screen contained in this workspace. 41131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 41231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param l The listener used to respond to long clicks. 41331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 41431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 41531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setOnLongClickListener(OnLongClickListener l) { 41631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLongClickListener = l; 41731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 41831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 41931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).setOnLongClickListener(l); 42031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 42131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 42231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4238f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private void updateWallpaperOffset() { 424798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(getChildAt(getChildCount() - 1).getRight() - (mRight - mLeft)); 425798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy } 426798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy 427798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy private void updateWallpaperOffset(int scrollRange) { 428956091ba7863bd72086275e61084864994dd6fa7Joe Onorato IBinder token = getWindowToken(); 429956091ba7863bd72086275e61084864994dd6fa7Joe Onorato if (token != null) { 430956091ba7863bd72086275e61084864994dd6fa7Joe Onorato mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 0 ); 431495f2892288504f4ab87e62957b3f71144dd73c2Adam Powell mWallpaperManager.setWallpaperOffsets(getWindowToken(), 432495f2892288504f4ab87e62957b3f71144dd73c2Adam Powell Math.max(0.f, Math.min(mScrollX/(float)scrollRange, 1.f)), 0); 433956091ba7863bd72086275e61084864994dd6fa7Joe Onorato } 4348f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn } 4358f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 43631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 437fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell public void scrollTo(int x, int y) { 438fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell super.scrollTo(x, y); 439fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX = x; 440fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = System.nanoTime() / NANOTIME_DIV; 441fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell } 442fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell 443fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell @Override 44431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void computeScroll() { 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScroller.computeScrollOffset()) { 446fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX = mScrollX = mScroller.getCurrX(); 447fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = System.nanoTime() / NANOTIME_DIV; 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollY = mScroller.getCurrY(); 4498f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 45031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project postInvalidate(); 45131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (mNextScreen != INVALID_SCREEN) { 45231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(mNextScreen, getChildCount() - 1)); 4538a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator.setLevel(mCurrentScreen); 4548a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator.setLevel(mCurrentScreen); 45531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 45631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = INVALID_SCREEN; 45731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 458fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell } else if (mTouchState == TOUCH_STATE_SCROLLING) { 459fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell final float now = System.nanoTime() / NANOTIME_DIV; 460fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell final float e = (float) Math.exp((now - mSmoothingTime) / SMOOTHING_CONSTANT); 461fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell final float dx = mTouchX - mScrollX; 462fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mScrollX += dx * e; 463fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = now; 464fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell 465fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell // Keep generating points as long as we're more than 1px away from the target 466fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell if (dx > 1.f || dx < -1.f) { 467fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell updateWallpaperOffset(); 468fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell postInvalidate(); 469fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell } 47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 47331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 47431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 4757376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project boolean restore = false; 476e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int restoreCount = 0; 477e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 47831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // ViewGroup.dispatchDraw() supports many features we don't need: 47931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // clip to padding, layout animation, animation listener, disappearing 48031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // children, etc. The following implementation attempts to fast-track 48131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // the drawing dispatch by drawing only what we know needs to be drawn. 48231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 483f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy boolean fastDraw = mTouchState != TOUCH_STATE_SCROLLING && mNextScreen == INVALID_SCREEN; 48431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are not scrolling or flinging, draw only the current screen 48531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (fastDraw) { 48631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), getDrawingTime()); 48731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 48831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final long drawingTime = getDrawingTime(); 489d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final float scrollPos = (float) mScrollX / getWidth(); 490d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final int leftScreen = (int) scrollPos; 491d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final int rightScreen = leftScreen + 1; 492d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (leftScreen >= 0) { 493d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell drawChild(canvas, getChildAt(leftScreen), drawingTime); 494d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 495d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (scrollPos != leftScreen && rightScreen < getChildCount()) { 496d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell drawChild(canvas, getChildAt(rightScreen), drawingTime); 49731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 49831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 4997376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 5007376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project if (restore) { 501e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato canvas.restoreToCount(restoreCount); 5027376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project } 50331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato protected void onAttachedToWindow() { 50600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato super.onAttachedToWindow(); 507956091ba7863bd72086275e61084864994dd6fa7Joe Onorato computeScroll(); 50800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.setWindowToken(getWindowToken()); 50900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 51000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 51131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 51231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 51331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onMeasure(widthMeasureSpec, heightMeasureSpec); 51431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 51531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int width = MeasureSpec.getSize(widthMeasureSpec); 51631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthMode = MeasureSpec.getMode(widthMeasureSpec); 51731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthMode != MeasureSpec.EXACTLY) { 51831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 51931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 52131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightMode = MeasureSpec.getMode(heightMeasureSpec); 52231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (heightMode != MeasureSpec.EXACTLY) { 52331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 52431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 52631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // The children are given the same width and height as the workspace 52731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 52831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 52931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec); 53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5323a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mFirstLayout) { 5343a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(false); 53531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * width, 0); 5363a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(true); 537798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(width * (getChildCount() - 1)); 53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mFirstLayout = false; 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = 0; 54531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 54731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 54831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View child = getChildAt(i); 54931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != View.GONE) { 55031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int childWidth = child.getMeasuredWidth(); 55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, 0, childLeft + childWidth, child.getMeasuredHeight()); 55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childLeft += childWidth; 55331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 55731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 55831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen = indexOfChild(child); 56031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen != mCurrentScreen || !mScroller.isFinished()) { 56131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mLauncher.isWorkspaceLocked()) { 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(screen); 56331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 56731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { 571678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 57331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder != null) { 57431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return openFolder.requestFocus(direction, previouslyFocusedRect); 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 57631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int focusableScreen; 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen != INVALID_SCREEN) { 57831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mNextScreen; 57931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 58031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mCurrentScreen; 58131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(focusableScreen).requestFocus(direction, previouslyFocusedRect); 58331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 59031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 59131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() > 0) { 59231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() - 1); 59331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 59431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT) { 59631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() < getChildCount() - 1) { 59731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() + 1); 59831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return super.dispatchUnhandledMove(focused, direction); 60231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 60431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 605c2e24c0a37ddeab930f731c062705d435e477f75Romain Guy public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 606678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder == null) { 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen).addFocusables(views, direction); 61031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen > 0) { 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen - 1).addFocusables(views, direction); 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT){ 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen < getChildCount() - 1) { 61631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen + 1).addFocusables(views, direction); 61731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project openFolder.addFocusables(views, direction); 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 6267bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato public boolean dispatchTouchEvent(MotionEvent ev) { 6277bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (ev.getAction() == MotionEvent.ACTION_DOWN) { 6287bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (mLauncher.isWorkspaceLocked() || mLauncher.isAllAppsVisible()) { 6297bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return false; 6307bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6317bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6327bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return super.dispatchTouchEvent(ev); 6337bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6347bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato 6357bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato @Override 63631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 63768ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato final boolean workspaceLocked = mLauncher.isWorkspaceLocked(); 63868ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato final boolean allAppsVisible = mLauncher.isAllAppsVisible(); 63968ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato if (workspaceLocked || allAppsVisible) { 6407c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 64131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * This method JUST determines whether we want to intercept the motion. 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If we return true, onTouchEvent will be called and we do the actual 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * scrolling there. 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Shortcut the most recurring case: the user is in the dragging 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * state and he is moving his finger. We want to intercept this 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * motion. 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) { 65631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 65731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 659a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell if (mVelocityTracker == null) { 660a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker = VelocityTracker.obtain(); 661a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell } 662a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker.addMovement(ev); 663a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell 6643499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell switch (action & MotionEvent.ACTION_MASK) { 6653499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_MOVE: { 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check 66831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * whether the user has moved far enough from his original down touch. 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Locally do absolute value. mLastMotionX is set to the y value 67331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * of the down event. 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 6753499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 6763499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float x = ev.getX(pointerIndex); 6773499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float y = ev.getY(pointerIndex); 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int xDiff = (int) Math.abs(x - mLastMotionX); 67931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int yDiff = (int) Math.abs(y - mLastMotionY); 68031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 681c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell final int touchSlop = mTouchSlop; 682c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell boolean xMoved = xDiff > touchSlop; 683c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell boolean yMoved = yDiff > touchSlop; 68431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 68531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved || yMoved) { 68631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 687fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell if (xMoved) { 68831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll if the user moved far enough along the X axis 68931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_SCROLLING; 6903499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionX = x; 691fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX = mScrollX; 692fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = System.nanoTime() / NANOTIME_DIV; 693fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1); 69431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 69531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Either way, cancel any pending longpress 69631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mAllowLongPress) { 69731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 69831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Try canceling the long press. It could also have been scheduled 69931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // by a distant descendant, so use the mAllowLongPress flag to block 70031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // everything 70131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View currentScreen = getChildAt(mCurrentScreen); 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen.cancelLongPress(); 70331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 7063499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 70731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7083499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_DOWN: { 7093499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float x = ev.getX(); 7103499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float y = ev.getY(); 71131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember location of down touch 71231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 71331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionY = y; 7143499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = ev.getPointerId(0); 71531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = true; 71631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 71831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches the screen, initiate drag; 71931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * otherwise don't. mScroller.isFinished should be false when 72031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * being flinged. 72131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 72231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING; 72331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 7243499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 72531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 728f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 729f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (mTouchState != TOUCH_STATE_SCROLLING) { 730f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron final CellLayout currentScreen = (CellLayout)getChildAt(mCurrentScreen); 731f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (!currentScreen.lastDownOnOccupiedCell()) { 73206762ab54d64e84328d427403bb6074dfd0f630cRomain Guy getLocationOnScreen(mTempCell); 733f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron // Send a tap to the wallpaper if the last down was on empty space 7343499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 735f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron mWallpaperManager.sendWallpaperCommand(getWindowToken(), 73606762ab54d64e84328d427403bb6074dfd0f630cRomain Guy "android.wallpaper.tap", 7373499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mTempCell[0] + (int) ev.getX(pointerIndex), 7383499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mTempCell[1] + (int) ev.getY(pointerIndex), 0, null); 739f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 740f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 741f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Release the drag 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 74431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 7453499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = INVALID_POINTER; 74631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 747a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell 748a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell if (mVelocityTracker != null) { 749a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker.recycle(); 750a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker = null; 751a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell } 752f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 75331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 7543499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 7553499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_POINTER_UP: 7563499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell onSecondaryPointerUp(ev); 7573499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell break; 75831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 75931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 76031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 76131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The only time we want to intercept motion events is if we are in the 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * drag mode. 76331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mTouchState != TOUCH_STATE_REST; 76531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 7663499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 7673499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell private void onSecondaryPointerUp(MotionEvent ev) { 7683499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> 7693499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell MotionEvent.ACTION_POINTER_INDEX_SHIFT; 7703499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerId = ev.getPointerId(pointerIndex); 7713499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell if (pointerId == mActivePointerId) { 7723499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell // This was our active pointer going up. Choose a new 7733499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell // active pointer and adjust accordingly. 7743499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell // TODO: Make this decision more intelligent. 7753499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int newPointerIndex = pointerIndex == 0 ? 1 : 0; 7763499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionX = ev.getX(newPointerIndex); 7773499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionY = ev.getY(newPointerIndex); 7783499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = ev.getPointerId(newPointerIndex); 7793499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell if (mVelocityTracker != null) { 7803499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mVelocityTracker.clear(); 7813499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 7823499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 7833499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 78431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7853a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato /** 7863a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * If one of our descendant views decides that it could be focused now, only 7873a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * pass that along if it's on the current screen. 7883a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * 7893a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * This happens when live folders requery, and if they're off screen, they 7903a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * end up calling requestFocus, which pulls it on screen. 7913a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato */ 7923a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato @Override 7933a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato public void focusableViewAvailable(View focused) { 7943a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View current = getChildAt(mCurrentScreen); 7953a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View v = focused; 7963a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato while (true) { 7973a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == current) { 7983a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato super.focusableViewAvailable(focused); 7993a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 8003a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8013a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == this) { 8023a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 8033a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8043a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato ViewParent parent = v.getParent(); 8053a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (parent instanceof View) { 8063a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato v = (View)v.getParent(); 8073a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } else { 8083a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 8093a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8103a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8113a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8123a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato 8133a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron void enableChildrenCache(int fromScreen, int toScreen) { 8143a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron if (fromScreen > toScreen) { 815fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell final int temp = fromScreen; 816fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell fromScreen = toScreen; 817d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell toScreen = temp; 8183a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } 8193a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 82031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 821fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 8223a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron fromScreen = Math.max(fromScreen, 0); 8233a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron toScreen = Math.min(toScreen, count - 1); 824fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 8253a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron for (int i = fromScreen; i <= toScreen; i++) { 82631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 82731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(true); 82831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawingCacheEnabled(true); 82931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void clearChildrenCache() { 83331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 83431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(false); 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 84131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 842f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 8432bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isWorkspaceLocked()) { 8442bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 8452bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 8462bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isAllAppsVisible()) { 8472bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato // Cancel any scrolling that is in progress. 8482bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (!mScroller.isFinished()) { 8492bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato mScroller.abortAnimation(); 8502bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 8512bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato snapToScreen(mCurrentScreen); 8527c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 85331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker == null) { 85631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.addMovement(ev); 85931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8623499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell switch (action & MotionEvent.ACTION_MASK) { 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches, stop the fling. isFinished 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * will be false if being flinged. 86731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 86831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mScroller.isFinished()) { 86931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.abortAnimation(); 87031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember where the motion event started 8733499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionX = ev.getX(); 8743499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = ev.getPointerId(0); 875fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell if (mTouchState == TOUCH_STATE_SCROLLING) { 876fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1); 877fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell } 87831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 87931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 88031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 88131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll to follow the motion event 8823499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 883fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell final float x = ev.getX(pointerIndex); 884fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell final float deltaX = mLastMotionX - x; 88531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 88631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (deltaX < 0) { 888fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell if (mTouchX > 0) { 889fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX += Math.max(-mTouchX, deltaX); 890fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = System.nanoTime() / NANOTIME_DIV; 891fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell invalidate(); 89231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (deltaX > 0) { 894fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell final float availableToScroll = getChildAt(getChildCount() - 1).getRight() - 895fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX - getWidth(); 89631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (availableToScroll > 0) { 897fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX += Math.min(availableToScroll, deltaX); 898fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = System.nanoTime() / NANOTIME_DIV; 899fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell invalidate(); 90031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 9013a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } else { 9023a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron awakenScrollBars(); 90331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 90431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 90531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 90631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 90731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 90831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final VelocityTracker velocityTracker = mVelocityTracker; 909a206daaed1318005d1534cca2e4eeec56144d104Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 9103499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int velocityX = (int) velocityTracker.getXVelocity(mActivePointerId); 9113499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 9123499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int screenWidth = getWidth(); 9133499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int whichScreen = (mScrollX + (screenWidth / 2)) / screenWidth; 914327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell final float scrolledPos = (float) mScrollX / screenWidth; 9153499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 91631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (velocityX > SNAP_VELOCITY && mCurrentScreen > 0) { 917327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell // Fling hard enough to move left. 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.min(whichScreen, bound), velocityX, true); 92231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (velocityX < -SNAP_VELOCITY && mCurrentScreen < getChildCount() - 1) { 92331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move right 924327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell // Don't fling across more than one screen at a time. 925327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell final int bound = scrolledPos > whichScreen ? 926327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell mCurrentScreen + 1 : mCurrentScreen; 927d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(Math.max(whichScreen, bound), velocityX, true); 92831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 929d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(whichScreen, 0, true); 93031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 93231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker != null) { 93331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.recycle(); 93431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = null; 93531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 9383499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = INVALID_POINTER; 93931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 94031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 94131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 9423499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = INVALID_POINTER; 9433499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell break; 9443499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_POINTER_UP: 9453499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell onSecondaryPointerUp(ev); 9463499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell break; 94731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 95031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 951d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 952d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell void snapToScreen(int whichScreen) { 953d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(whichScreen, 0, false); 95431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 95531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 956d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private void snapToScreen(int whichScreen, int velocity, boolean settle) { 957e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy //if (!mScroller.isFinished()) return; 95882d94d9e9ee4eb6b14db3c8df2f47dcae5ce4ab0Romain Guy 9593a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1)); 9603a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 9614c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 9623a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron enableChildrenCache(mCurrentScreen, whichScreen); 96331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 96431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = whichScreen; 965e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy 966e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mPreviousIndicator.setLevel(mNextScreen); 967e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mNextIndicator.setLevel(mNextScreen); 968ed2390e7091511618bf5030d4996ccafadba3cc3Romain Guy 96931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View focusedChild = getFocusedChild(); 970d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (focusedChild != null && whichScreen != mCurrentScreen && 971d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell focusedChild == getChildAt(mCurrentScreen)) { 97231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusedChild.clearFocus(); 97331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 97431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 975d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final int screenDelta = Math.max(1, Math.abs(whichScreen - mCurrentScreen)); 97631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int newX = whichScreen * getWidth(); 97731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int delta = newX - mScrollX; 978d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell int duration = (screenDelta + 1) * 100; 979f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy 980d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (!mScroller.isFinished()) { 981d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mScroller.abortAnimation(); 982d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 983d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 984d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (settle) { 985d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mScrollInterpolator.setDistance(screenDelta); 986d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } else { 987d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mScrollInterpolator.disableSettle(); 988d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 989d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 990d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell velocity = Math.abs(velocity); 991d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (velocity > 0) { 992d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell duration += (duration / (velocity / BASELINE_FLING_VELOCITY)) 993d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell * FLING_VELOCITY_INFLUENCE; 994d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } else { 995d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell duration += 100; 996d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 997d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 998d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell awakenScrollBars(duration); 999c45b16862918a0c6c253bba12032165b030565afJoe Onorato mScroller.startScroll(mScrollX, 0, delta, 0, duration); 100031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 100131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 100231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void startDrag(CellLayout.CellInfo cellInfo) { 100431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = cellInfo.cell; 100531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Make sure the drag was started by a long press as opposed to a long click. 10077984c9496bcaeca23ee7fdecc4d4f1bb2467e0f2Bjorn Bringert if (!child.isInTouchMode()) { 100831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return; 100931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = cellInfo; 101231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo.screen = mCurrentScreen; 101331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout current = ((CellLayout) getChildAt(mCurrentScreen)); 101531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project current.onDragChild(child); 101700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.startDrag(child, this, child.getTag(), DragController.DRAG_ACTION_MOVE); 101831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 101931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 102031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 102131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 102231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected Parcelable onSaveInstanceState() { 102331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final SavedState state = new SavedState(super.onSaveInstanceState()); 102431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project state.currentScreen = mCurrentScreen; 102531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return state; 102631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 102731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 102831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 102931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 103031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState savedState = (SavedState) state; 103131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onRestoreInstanceState(savedState.getSuperState()); 103231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (savedState.currentScreen != -1) { 103331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = savedState.currentScreen; 103431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 103531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10380589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato void addApplicationShortcut(ShortcutInfo info, CellLayout.CellInfo cellInfo) { 103931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addApplicationShortcut(info, cellInfo, false); 104031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10420589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato void addApplicationShortcut(ShortcutInfo info, CellLayout.CellInfo cellInfo, 104331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 104431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(cellInfo.screen); 104531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int[] result = new int[2]; 104631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 104731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.cellToPoint(cellInfo.cellX, cellInfo.cellY, result); 104831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(result[0], result[1], info, layout, insertAtFirst); 104931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 105031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 105100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, 105200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 105370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout cellLayout = getCurrentDropLayout(); 105431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (source != this) { 105531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x - xOffset, y - yOffset, dragInfo, cellLayout); 105631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 105731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Move internally 105831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 105931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View cell = mDragInfo.cell; 106052d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 106152d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy if (index != mDragInfo.screen) { 106231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen); 106331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project originalCellLayout.removeView(cell); 106431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(cell); 106531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1066263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x - xOffset, y - yOffset, 106770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mDragInfo.spanX, mDragInfo.spanY, cell, cellLayout, mTargetCell); 106870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(cell, mTargetCell); 106931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 107084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy final ItemInfo info = (ItemInfo) cell.getTag(); 107131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams(); 107231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.moveItemInDatabase(mLauncher, info, 107352d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy LauncherSettings.Favorites.CONTAINER_DESKTOP, index, lp.cellX, lp.cellY); 107431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 107831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, 107900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 10804c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 108131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, 108400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 108531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, 108800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 10894c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 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 onDropExternal(x, y, dragInfo, cellLayout, false); 109431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout, 109731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 109831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Drag from somewhere else 109931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ItemInfo info = (ItemInfo) dragInfo; 110031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 110131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View view; 110231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 110331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (info.itemType) { 110431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 110531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1106e48e7c1a62e6a367803dca62c8fce9de57121b0fJoe Onorato if (info.container == NO_ID && info instanceof ApplicationInfo) { 110731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Came from all apps -- make a copy 110859d5245b0fb8014fc16d4791fb3a031cc29799aaJoe Onorato info = new ShortcutInfo((ApplicationInfo)info); 110931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11100589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato view = mLauncher.createShortcut(R.layout.application, cellLayout, (ShortcutInfo)info); 111131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 111331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher, 111431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ViewGroup) getChildAt(mCurrentScreen), ((UserFolderInfo) info)); 111531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 111631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project default: 111731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Unknown item type: " + info.itemType); 111831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 112031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(view, insertAtFirst ? 0 : -1); 11210d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato view.setHapticFeedbackEnabled(false); 112231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setOnLongClickListener(mLongClickListener); 112300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (view instanceof DropTarget) { 1124207e40ee66fddded52a028b8f68be3605da3df37Romain Guy mDragController.addDropTarget((DropTarget) view); 112500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 112600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 1127263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x, y, 1, 1, view, cellLayout, mTargetCell); 112870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(view, mTargetCell); 112931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams(); 113031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 113131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.addOrMoveItemInDatabase(mLauncher, info, 113231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherSettings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY); 113331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 113570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 113670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Return the current {@link CellLayout}, correctly picking the destination 113770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * screen while a scroll is in progress. 113870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 113970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout getCurrentDropLayout() { 114070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 114170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return (CellLayout) getChildAt(index); 114270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 114331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 114470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 114570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 114670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 114770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public boolean acceptDrop(DragSource source, int x, int y, 114800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo) { 11494c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout layout = getCurrentDropLayout(); 11504c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout.CellInfo cellInfo = mDragInfo; 11514c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 11524c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 11534c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 11544c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache == null) { 11554c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final View ignoreView = cellInfo == null ? null : cellInfo.cell; 11564c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = layout.findAllVacantCells(null, ignoreView); 11574c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 11584c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 11594c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy return mVacantCache.findCellForSpan(mTempEstimate, spanX, spanY, false); 116070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 116170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 116270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 116370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 116470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 116570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public Rect estimateDropLocation(DragSource source, int x, int y, 116600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo, Rect recycle) { 116770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout layout = getCurrentDropLayout(); 116870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 116931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout.CellInfo cellInfo = mDragInfo; 117070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 117170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 117270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final View ignoreView = cellInfo == null ? null : cellInfo.cell; 117370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 117470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final Rect location = recycle != null ? recycle : new Rect(); 117570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 117670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find drop cell and convert into rectangle 1177263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy int[] dropCell = estimateDropCell(x - xOffset, y - yOffset, 117870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, ignoreView, layout, mTempCell); 117970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 118070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (dropCell == null) { 118170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 118270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 118370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 118470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0], dropCell[1], mTempEstimate); 118570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.left = mTempEstimate[0]; 118670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.top = mTempEstimate[1]; 118770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 118870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0] + spanX, dropCell[1] + spanY, mTempEstimate); 118970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.right = mTempEstimate[0]; 119070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.bottom = mTempEstimate[1]; 119170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 119270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return location; 119331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 119570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 119670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Calculate the nearest cell where the given object would be dropped. 119770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 1198263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy private int[] estimateDropCell(int pixelX, int pixelY, 119970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) { 120070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Create vacant cell cache if none exists 120170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (mVacantCache == null) { 120270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mVacantCache = layout.findAllVacantCells(null, ignoreView); 120370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 120470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 120570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find the best target drop location 120670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return layout.findNearestVacantArea(pixelX, pixelY, 120770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, mVacantCache, recycle); 120870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 120970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 121031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setLauncher(Launcher launcher) { 121131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLauncher = launcher; 121231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 121331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setDragController(DragController dragController) { 121500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController = dragController; 121631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 121731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDropCompleted(View target, boolean success) { 1219207e40ee66fddded52a028b8f68be3605da3df37Romain Guy clearVacantCache(); 1220207e40ee66fddded52a028b8f68be3605da3df37Romain Guy 122131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (success){ 122231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (target != this && mDragInfo != null) { 122331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 122431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.removeView(mDragInfo.cell); 122500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragInfo.cell instanceof DropTarget) { 122600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)mDragInfo.cell); 122700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 1228207e40ee66fddded52a028b8f68be3605da3df37Romain Guy //final Object tag = mDragInfo.cell.getTag(); 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 123231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.onDropAborted(mDragInfo.cell); 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 123731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = null; 123831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 124031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollLeft() { 12414c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 1242f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mScroller.isFinished()) { 1243f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mCurrentScreen > 0) snapToScreen(mCurrentScreen - 1); 1244f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy } else { 1245f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mNextScreen > 0) snapToScreen(mNextScreen - 1); 124631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 124931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollRight() { 12504c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 1251f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mScroller.isFinished()) { 1252f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mCurrentScreen < getChildCount() -1) snapToScreen(mCurrentScreen + 1); 1253f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy } else { 1254f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mNextScreen < getChildCount() -1) snapToScreen(mNextScreen + 1); 125531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 125631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 125731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 125831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int getScreenForView(View v) { 125931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int result = -1; 126031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v != null) { 126131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ViewParent vp = v.getParent(); 126231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 126331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vp == getChildAt(i)) { 126531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return i; 126631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return result; 127031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1271138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 127231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Folder getFolderForTag(Object tag) { 127331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 127431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 127531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 127631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 127731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 127831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 127931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 128131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder f = (Folder) child; 128231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (f.getInfo() == tag) { 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return f; 128431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 128931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 129131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public View getViewForTag(Object tag) { 129231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 129631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 129731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getTag() == tag) { 129931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return child; 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 130731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True is long presses are still allowed for the current touch 130831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 130931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean allowLongPress() { 131031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mAllowLongPress; 131131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1312ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project 1313ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project /** 1314ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * Set true to allow long-press events to be triggered, usually checked by 1315ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * {@link Launcher} to accept or block dpad-initiated long-presses. 1316ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project */ 1317ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project public void setAllowLongPress(boolean allowLongPress) { 1318ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project mAllowLongPress = allowLongPress; 1319ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project } 132031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 132164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato void removeItems(final ArrayList<ApplicationInfo> apps) { 132231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 13235c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy final PackageManager manager = getContext().getPackageManager(); 1324629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final AppWidgetManager widgets = AppWidgetManager.getInstance(getContext()); 1325574d20ec84551370987dde530c27ec493bdef564Romain Guy 132664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato final HashSet<String> packageNames = new HashSet<String>(); 132764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato final int appCount = apps.size(); 132864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (int i = 0; i < appCount; i++) { 132964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato packageNames.add(apps.get(i).componentName.getPackageName()); 133064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 133164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato 133231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 133331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1334629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1335629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy // Avoid ANRs by treating each screen separately 1336629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy post(new Runnable() { 1337629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy public void run() { 1338629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ArrayList<View> childrenToRemove = new ArrayList<View>(); 1339629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy childrenToRemove.clear(); 1340629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1341629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy int childCount = layout.getChildCount(); 1342629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy for (int j = 0; j < childCount; j++) { 1343629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final View view = layout.getChildAt(j); 1344629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy Object tag = view.getTag(); 1345629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 13460589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato if (tag instanceof ShortcutInfo) { 13470589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ShortcutInfo info = (ShortcutInfo) tag; 1348629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Intent intent = info.intent; 1349629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ComponentName name = intent.getComponent(); 1350629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 135164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 135264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 135364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(name.getPackageName())) { 135464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 135564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase(mLauncher, info); 135664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato childrenToRemove.add(view); 135764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 135864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1359629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1360629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } else if (tag instanceof UserFolderInfo) { 1361629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final UserFolderInfo info = (UserFolderInfo) tag; 13620589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ArrayList<ShortcutInfo> contents = info.contents; 13630589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ArrayList<ShortcutInfo> toRemove = new ArrayList<ShortcutInfo>(1); 1364629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final int contentsCount = contents.size(); 1365629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy boolean removedFromFolder = false; 1366629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1367629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy for (int k = 0; k < contentsCount; k++) { 13680589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ShortcutInfo appInfo = contents.get(k); 1369629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Intent intent = appInfo.intent; 1370629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ComponentName name = intent.getComponent(); 1371629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 137264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 137364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 137464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(name.getPackageName())) { 137564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato toRemove.add(appInfo); 137664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 137764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase( 137864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato mLauncher, appInfo); 137964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato removedFromFolder = true; 138064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 138164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1382629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1383629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1384629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1385629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy contents.removeAll(toRemove); 1386629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (removedFromFolder) { 1387629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Folder folder = getOpenFolder(); 1388629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (folder != null) folder.notifyDataSetChanged(); 1389629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1390629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } else if (tag instanceof LiveFolderInfo) { 1391629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final LiveFolderInfo info = (LiveFolderInfo) tag; 1392629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Uri uri = info.uri; 1393629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ProviderInfo providerInfo = manager.resolveContentProvider( 1394629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy uri.getAuthority(), 0); 1395629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1396f11079b11e98912ed56546eaa300efd06c6eb917Joe Onorato if (providerInfo != null) { 139764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 139864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(providerInfo.packageName)) { 139964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 140064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase(mLauncher, info); 140164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato childrenToRemove.add(view); 140264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 140364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1404629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1405629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } else if (tag instanceof LauncherAppWidgetInfo) { 1406629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) tag; 1407629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final AppWidgetProviderInfo provider = 1408629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy widgets.getAppWidgetInfo(info.appWidgetId); 1409e1cc6c3745c9ba721b6ab888d74c9d9e1d13ea6aDaniel Sandler if (provider != null) { 141064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 141164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(provider.provider.getPackageName())) { 141264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 141364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase(mLauncher, info); 141464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato childrenToRemove.add(view); 141564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 141664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1417629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1418574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1419574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1420629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1421629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy childCount = childrenToRemove.size(); 1422629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy for (int j = 0; j < childCount; j++) { 1423629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy View child = childrenToRemove.get(j); 1424629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy layout.removeViewInLayout(child); 1425629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (child instanceof DropTarget) { 1426629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy mDragController.removeDropTarget((DropTarget)child); 1427629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1428574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1429629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1430629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (childCount > 0) { 1431629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy layout.requestLayout(); 1432629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy layout.invalidate(); 14335c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy } 143431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1435629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy }); 143631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 143731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1438f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 143964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato void updateShortcuts(ArrayList<ApplicationInfo> apps) { 14409c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final PackageManager pm = mLauncher.getPackageManager(); 14419c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato 1442f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final int count = getChildCount(); 1443f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int i = 0; i < count; i++) { 1444f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1445f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project int childCount = layout.getChildCount(); 1446f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int j = 0; j < childCount; j++) { 1447f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final View view = layout.getChildAt(j); 1448f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Object tag = view.getTag(); 14490589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato if (tag instanceof ShortcutInfo) { 14500589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato ShortcutInfo info = (ShortcutInfo)tag; 1451f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 1452f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 1453f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // web pages.) 1454f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final Intent intent = info.intent; 1455f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final ComponentName name = intent.getComponent(); 1456f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 145764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 145864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato final int appCount = apps.size(); 145964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (int k=0; k<appCount; k++) { 146064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato ApplicationInfo app = apps.get(k); 146164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (app.componentName.equals(name)) { 146264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato info.setIcon(mIconCache.getIcon(info.intent)); 146364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato ((TextView)view).setCompoundDrawablesWithIntrinsicBounds(null, 146464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato new FastBitmapDrawable(info.getIcon(mIconCache)), 146564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato null, null); 146664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 146764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1468f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1469f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1470f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1471f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1472f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1473f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 147414f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato void moveToDefaultScreen(boolean animate) { 1475c45b16862918a0c6c253bba12032165b030565afJoe Onorato if (animate) { 1476c45b16862918a0c6c253bba12032165b030565afJoe Onorato snapToScreen(mDefaultScreen); 1477c45b16862918a0c6c253bba12032165b030565afJoe Onorato } else { 1478c45b16862918a0c6c253bba12032165b030565afJoe Onorato setCurrentScreen(mDefaultScreen); 1479c45b16862918a0c6c253bba12032165b030565afJoe Onorato } 148031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mDefaultScreen).requestFocus(); 148131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 148231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14838a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy void setIndicators(Drawable previous, Drawable next) { 14848a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator = previous; 14858a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator = next; 14868a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy previous.setLevel(mCurrentScreen); 14878a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy next.setLevel(mCurrentScreen); 14888a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy } 14898a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 149031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class SavedState extends BaseSavedState { 149131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int currentScreen = -1; 149231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 149331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState(Parcelable superState) { 149431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(superState); 149531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 149631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 149731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private SavedState(Parcel in) { 149831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(in); 149931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen = in.readInt(); 150031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 150131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 150231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 150331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 150431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.writeToParcel(out, flags); 150531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project out.writeInt(currentScreen); 150631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 150731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 150831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR = 150931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new Parcelable.Creator<SavedState>() { 151031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState createFromParcel(Parcel in) { 151131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState(in); 151231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 151331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 151431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState[] newArray(int size) { 151531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState[size]; 151631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 151731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project }; 151831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 151931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1520