Workspace.java revision e1cc6c3745c9ba721b6ab888d74c9d9e1d13ea6a
131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/* 231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * you may not use this file except in compliance with the License. 631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * You may obtain a copy of the License at 731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 1031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 1131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 1231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * See the License for the specific language governing permissions and 1431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * limitations under the License. 1531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17a5902524d4403885eb4c50360bf3465c6be796efJoe Onoratopackage com.android.launcher2; 1831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport java.util.ArrayList; 20495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport java.util.HashSet; 21495f2892288504f4ab87e62957b3f71144dd73c2Adam Powell 228f573952b8729b4319043ae0908997ecd2d68951Dianne Hackbornimport android.app.WallpaperManager; 23629de3ef739883c0962423cc0c3a26299f162d3dRomain Guyimport android.appwidget.AppWidgetManager; 24629de3ef739883c0962423cc0c3a26299f162d3dRomain Guyimport android.appwidget.AppWidgetProviderInfo; 25495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.content.ComponentName; 2631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Intent; 28495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.content.pm.PackageManager; 295c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guyimport android.content.pm.ProviderInfo; 3031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.res.TypedArray; 3131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Canvas; 3231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 33f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.graphics.drawable.Drawable; 345c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guyimport android.net.Uri; 35956091ba7863bd72086275e61084864994dd6fa7Joe Onoratoimport android.os.IBinder; 36080d9b614e609826dce2606f9e474af674ead933Joe Onoratoimport android.os.Parcel; 37495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.os.Parcelable; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 3931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.VelocityTracker; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewConfiguration; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewParent; 452762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powellimport android.view.animation.Interpolator; 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.widget.Scroller; 47f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.widget.TextView; 4831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49edcce099c98a6c40d10109ac092ab50f9d2668f3Romain Guyimport com.android.launcher.R; 50edcce099c98a6c40d10109ac092ab50f9d2668f3Romain Guy 5131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/** 5231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The workspace is a wide area with a wallpaper and a finite number of screens. Each 5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * screen contains a number of icons, folders or widgets the user can interact with. 5431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * A workspace is meant to be used with a fixed width only. 5531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 5685a02a8d13eced310aee4c2a795e9c9c5435038fJoe Onoratopublic class Workspace extends ViewGroup implements DropTarget, DragSource, DragScroller { 57e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy @SuppressWarnings({"UnusedDeclaration"}) 583a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato private static final String TAG = "Launcher.Workspace"; 5931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static final int INVALID_SCREEN = -1; 6070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 6131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 6231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The velocity at which a fling gesture will cause us to snap to the next screen 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 64a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell private static final int SNAP_VELOCITY = 600; 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 668f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private final WallpaperManager mWallpaperManager; 678f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mDefaultScreen; 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private boolean mFirstLayout = true; 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCurrentScreen; 7331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mNextScreen = INVALID_SCREEN; 7431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Scroller mScroller; 7531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private VelocityTracker mVelocityTracker; 7631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 7831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * CellInfo for the cell that is currently being dragged 7931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 8031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private CellLayout.CellInfo mDragInfo; 8170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 8270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 8370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Target drop area calculated during last acceptDrop call. 8470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 8570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTargetCell = null; 8631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionX; 8831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private float mLastMotionY; 89f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 9031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_REST = 0; 9131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final static int TOUCH_STATE_SCROLLING = 1; 9231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchState = TOUCH_STATE_REST; 9431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private OnLongClickListener mLongClickListener; 9631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private Launcher mLauncher; 980589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato private IconCache mIconCache; 9900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private DragController mDragController; 10070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 10170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 10270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Cache of vacant cells, used during drag events and invalidated as needed. 10370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 10470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout.CellInfo mVacantCache = null; 10570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 10631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int[] mTempCell = new int[2]; 10770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private int[] mTempEstimate = new int[2]; 10831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109a9c28f6f97a4b34d9527c786e3aa8f02d92d9e07Joe Onorato private boolean mAllowLongPress = true; 11031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mTouchSlop; 112a206daaed1318005d1534cca2e4eeec56144d104Romain Guy private int mMaximumVelocity; 1133499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 1143499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell private static final int INVALID_POINTER = -1; 11531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1163499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell private int mActivePointerId = INVALID_POINTER; 1173499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 1188a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy private Drawable mPreviousIndicator; 1198a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy private Drawable mNextIndicator; 120fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 121fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell private static final float NANOTIME_DIV = 1000000000.0f; 122fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell private static final float SMOOTHING_SPEED = 0.75f; 123fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell private static final float SMOOTHING_CONSTANT = (float) (0.016 / Math.log(SMOOTHING_SPEED)); 124fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell private float mSmoothingTime; 125fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell private float mTouchX; 1268a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 1272762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell private WorkspaceOvershootInterpolator mScrollInterpolator; 1282762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 129d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private static final float BASELINE_FLING_VELOCITY = 2500.f; 130d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private static final float FLING_VELOCITY_INFLUENCE = 0.4f; 131d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 1322762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell private static class WorkspaceOvershootInterpolator implements Interpolator { 133d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private static final float DEFAULT_TENSION = 1.3f; 1342762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell private float mTension; 1352762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 1362762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell public WorkspaceOvershootInterpolator() { 1372762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mTension = DEFAULT_TENSION; 1382762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1392762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 1402762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell public void setDistance(int distance) { 1412762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mTension = distance > 0 ? DEFAULT_TENSION / distance : DEFAULT_TENSION; 1422762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1432762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 144d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell public void disableSettle() { 145d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mTension = 0.f; 146d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 147d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 1482762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell public float getInterpolation(float t) { 1492762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell // _o(t) = t * t * ((tension + 1) * t + tension) 1502762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell // o(t) = _o(t - 1) + 1 1512762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell t -= 1.0f; 1522762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell return t * t * ((mTension + 1) * t + mTension) + 1.0f; 1532762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1542762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell } 1552762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell 15631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs) { 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Used to inflate the Workspace from XML. 16831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 16931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param context The application's context. 17031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param attrs The attribtues set containing the Workspace's customization values. 17131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param defStyle Unused. 17231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 17331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Workspace(Context context, AttributeSet attrs, int defStyle) { 17431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 17531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1768f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn mWallpaperManager = WallpaperManager.getInstance(context); 1778f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 17831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Workspace, defStyle, 0); 17931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDefaultScreen = a.getInt(R.styleable.Workspace_defaultScreen, 1); 18031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 18131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1820d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato setHapticFeedbackEnabled(false); 18331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project initWorkspace(); 18431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Initializes various states for this workspace. 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 18931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void initWorkspace() { 1900589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato Context context = getContext(); 1912762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mScrollInterpolator = new WorkspaceOvershootInterpolator(); 1922762dd856ef95b3c5cb1f554fb733e15b1eb2a9cAdam Powell mScroller = new Scroller(context, mScrollInterpolator); 19331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = mDefaultScreen; 19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 1950589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato LauncherApplication app = (LauncherApplication)context.getApplicationContext(); 1960589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato mIconCache = app.getIconCache(); 19731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 198a206daaed1318005d1534cca2e4eeec56144d104Romain Guy final ViewConfiguration configuration = ViewConfiguration.get(getContext()); 199a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mTouchSlop = configuration.getScaledTouchSlop(); 200a206daaed1318005d1534cca2e4eeec56144d104Romain Guy mMaximumVelocity = configuration.getScaledMaximumFlingVelocity(); 20131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 20331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 20431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index, LayoutParams params) { 20531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 20631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 20731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 20831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index, params); 20931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 21231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child) { 21331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 21431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 21531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child); 21731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 21831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 21931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 22031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int index) { 22131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 22231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 22331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, index); 22531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 22831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, int width, int height) { 22931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 23031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 23131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, width, height); 23331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 23431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 23631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void addView(View child, LayoutParams params) { 23731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof CellLayout)) { 23831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalArgumentException("A Workspace can only have CellLayout children."); 23931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.addView(child, params); 24131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 24431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The open folder on the current screen, or null if there is none 24531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 24631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder getOpenFolder() { 24731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(mCurrentScreen); 24831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 24931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 25031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 25131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 25231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 25331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return (Folder) child; 25431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 25731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 25831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 25931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> getOpenFolders() { 26031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int screens = getChildCount(); 26131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ArrayList<Folder> folders = new ArrayList<Folder>(screens); 26231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screens; screen++) { 26431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = (CellLayout) getChildAt(screen); 26531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 26631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 26731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 26831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 26931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 27031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project folders.add((Folder) child); 27131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 27231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 27631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return folders; 27731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 27931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean isDefaultScreenShowing() { 28031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen == mDefaultScreen; 28131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 28231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 28331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 28431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Returns the index of the currently displayed screen. 28531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 28631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return The index of the currently displayed screen. 28731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 28831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCurrentScreen() { 28931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mCurrentScreen; 29031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 29131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 29231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 29331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Sets the current screen. 29431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 29531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param currentScreen 29631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 29731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setCurrentScreen(int currentScreen) { 298c45b16862918a0c6c253bba12032165b030565afJoe Onorato if (!mScroller.isFinished()) mScroller.abortAnimation(); 2994c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 30031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(currentScreen, getChildCount() - 1)); 301483543f31cd2a8b66c9faaf7fcb25c84296730ecRomain Guy mPreviousIndicator.setLevel(mCurrentScreen); 302483543f31cd2a8b66c9faaf7fcb25c84296730ecRomain Guy mNextIndicator.setLevel(mCurrentScreen); 30331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * getWidth(), 0); 304ed2390e7091511618bf5030d4996ccafadba3cc3Romain Guy updateWallpaperOffset(); 30531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 30631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 30731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 30831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 30931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 31031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 31131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 31331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 31431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 31531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 31631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 31731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 31831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY) { 31931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, false); 32031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 32131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 32231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 32331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the current screen. The position and dimension of 32431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 32531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 32631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 32731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 32931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 33031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 33131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 33231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 33331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInCurrentScreen(View child, int x, int y, int spanX, int spanY, boolean insert) { 33431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, mCurrentScreen, x, y, spanX, spanY, insert); 33531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 33631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 33731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 33831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 33931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 34031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 34131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 34431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 34531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 34631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 34731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 34831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) { 34931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addInScreen(child, screen, x, y, spanX, spanY, false); 35031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 35131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 35231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 35331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Adds the specified child in the specified screen. The position and dimension of 35431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * the child are defined by x, y, spanX and spanY. 35531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 35631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child to add in one of the workspace's screens. 35731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param screen The screen in which to add the child. 35831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x The X position of the child in the screen's grid. 35931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y The Y position of the child in the screen's grid. 36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX The number of cells spanned horizontally by the child. 36131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY The number of cells spanned vertically by the child. 36231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param insert When true, the child is inserted at the beginning of the children list. 36331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 36431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) { 36531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen < 0 || screen >= getChildCount()) { 36631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("The screen must be >= 0 and < " + getChildCount()); 36731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3694c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 3704c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 37131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout group = (CellLayout) getChildAt(screen); 37231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 37331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp == null) { 37431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp = new CellLayout.LayoutParams(x, y, spanX, spanY); 37531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 37631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellX = x; 37731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellY = y; 37831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellHSpan = spanX; 37931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.cellVSpan = spanY; 38031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project group.addView(child, insert ? 0 : -1, lp); 38231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!(child instanceof Folder)) { 3830d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato child.setHapticFeedbackEnabled(false); 38431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.setOnLongClickListener(mLongClickListener); 38531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 38600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (child instanceof DropTarget) { 38700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.addDropTarget((DropTarget)child); 38800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 38931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 39131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.CellInfo findAllVacantCells(boolean[] occupied) { 39231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout group = (CellLayout) getChildAt(mCurrentScreen); 39331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (group != null) { 39470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return group.findAllVacantCells(occupied, null); 39531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 39731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3994c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy private void clearVacantCache() { 4004c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache != null) { 4014c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache.clearVacantCells(); 4024c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = null; 4034c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 4044c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 40531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 40631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 40731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Registers the specified listener on each screen contained in this workspace. 40831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 40931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param l The listener used to respond to long clicks. 41031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 41131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 41231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setOnLongClickListener(OnLongClickListener l) { 41331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLongClickListener = l; 41431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 41531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 41631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).setOnLongClickListener(l); 41731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 41831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 41931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4208f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn private void updateWallpaperOffset() { 421798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(getChildAt(getChildCount() - 1).getRight() - (mRight - mLeft)); 422798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy } 423798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy 424798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy private void updateWallpaperOffset(int scrollRange) { 425956091ba7863bd72086275e61084864994dd6fa7Joe Onorato IBinder token = getWindowToken(); 426956091ba7863bd72086275e61084864994dd6fa7Joe Onorato if (token != null) { 427956091ba7863bd72086275e61084864994dd6fa7Joe Onorato mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 0 ); 428495f2892288504f4ab87e62957b3f71144dd73c2Adam Powell mWallpaperManager.setWallpaperOffsets(getWindowToken(), 429495f2892288504f4ab87e62957b3f71144dd73c2Adam Powell Math.max(0.f, Math.min(mScrollX/(float)scrollRange, 1.f)), 0); 430956091ba7863bd72086275e61084864994dd6fa7Joe Onorato } 4318f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn } 4328f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn 43331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 434fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell public void scrollTo(int x, int y) { 435fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell super.scrollTo(x, y); 436fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX = x; 437fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = System.nanoTime() / NANOTIME_DIV; 438fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell } 439fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell 440fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell @Override 44131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void computeScroll() { 44231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mScroller.computeScrollOffset()) { 443fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX = mScrollX = mScroller.getCurrX(); 444fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = System.nanoTime() / NANOTIME_DIV; 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScrollY = mScroller.getCurrY(); 4468f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn updateWallpaperOffset(); 44731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project postInvalidate(); 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (mNextScreen != INVALID_SCREEN) { 44931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = Math.max(0, Math.min(mNextScreen, getChildCount() - 1)); 4508a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator.setLevel(mCurrentScreen); 4518a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator.setLevel(mCurrentScreen); 45231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 45331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = INVALID_SCREEN; 45431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 455fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell } else if (mTouchState == TOUCH_STATE_SCROLLING) { 456fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell final float now = System.nanoTime() / NANOTIME_DIV; 457fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell final float e = (float) Math.exp((now - mSmoothingTime) / SMOOTHING_CONSTANT); 458fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell final float dx = mTouchX - mScrollX; 459fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mScrollX += dx * e; 460fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = now; 461fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell 462fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell // Keep generating points as long as we're more than 1px away from the target 463fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell if (dx > 1.f || dx < -1.f) { 464fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell updateWallpaperOffset(); 465fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell postInvalidate(); 466fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell } 46731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 46831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 46931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 47131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void dispatchDraw(Canvas canvas) { 4727376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project boolean restore = false; 473e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato int restoreCount = 0; 474e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato 47531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // ViewGroup.dispatchDraw() supports many features we don't need: 47631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // clip to padding, layout animation, animation listener, disappearing 47731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // children, etc. The following implementation attempts to fast-track 47831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // the drawing dispatch by drawing only what we know needs to be drawn. 47931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 480f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy boolean fastDraw = mTouchState != TOUCH_STATE_SCROLLING && mNextScreen == INVALID_SCREEN; 48131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // If we are not scrolling or flinging, draw only the current screen 48231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (fastDraw) { 48331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project drawChild(canvas, getChildAt(mCurrentScreen), getDrawingTime()); 48431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 48531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final long drawingTime = getDrawingTime(); 486d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final float scrollPos = (float) mScrollX / getWidth(); 487d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final int leftScreen = (int) scrollPos; 488d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final int rightScreen = leftScreen + 1; 489d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (leftScreen >= 0) { 490d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell drawChild(canvas, getChildAt(leftScreen), drawingTime); 491d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 492d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (scrollPos != leftScreen && rightScreen < getChildCount()) { 493d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell drawChild(canvas, getChildAt(rightScreen), drawingTime); 49431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 49531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 4967376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project 4977376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project if (restore) { 498e77c08d15f23c403293dbb40c6a36967de822c89Joe Onorato canvas.restoreToCount(restoreCount); 4997376faefbbcbe30cc4e3f706ab95c254a4707d98The Android Open Source Project } 50031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 50131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato protected void onAttachedToWindow() { 50300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato super.onAttachedToWindow(); 504956091ba7863bd72086275e61084864994dd6fa7Joe Onorato computeScroll(); 50500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.setWindowToken(getWindowToken()); 50600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 50700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 50831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 50931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 51031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onMeasure(widthMeasureSpec, heightMeasureSpec); 51131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 51231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int width = MeasureSpec.getSize(widthMeasureSpec); 51331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthMode = MeasureSpec.getMode(widthMeasureSpec); 51431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthMode != MeasureSpec.EXACTLY) { 51531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 51631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 51831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightMode = MeasureSpec.getMode(heightMeasureSpec); 51931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (heightMode != MeasureSpec.EXACTLY) { 52031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Workspace can only be used in EXACTLY mode."); 52131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 52331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // The children are given the same width and height as the workspace 52431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 52531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 52631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec); 52731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5293a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mFirstLayout) { 5313a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(false); 53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project scrollTo(mCurrentScreen * width, 0); 5333a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron setHorizontalScrollBarEnabled(true); 534798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy updateWallpaperOffset(width * (getChildCount() - 1)); 53531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mFirstLayout = false; 53631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = 0; 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 54531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View child = getChildAt(i); 54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != View.GONE) { 54731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int childWidth = child.getMeasuredWidth(); 54831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, 0, childLeft + childWidth, child.getMeasuredHeight()); 54931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project childLeft += childWidth; 55031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 55531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 55631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen = indexOfChild(child); 55731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (screen != mCurrentScreen || !mScroller.isFinished()) { 55831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mLauncher.isWorkspaceLocked()) { 55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(screen); 56031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 56431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 56731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { 568678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 56931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder != null) { 57131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return openFolder.requestFocus(direction, previouslyFocusedRect); 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 57331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int focusableScreen; 57431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mNextScreen != INVALID_SCREEN) { 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mNextScreen; 57631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusableScreen = mCurrentScreen; 57831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(focusableScreen).requestFocus(direction, previouslyFocusedRect); 58031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 58331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 58731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 58831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() > 0) { 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() - 1); 59031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 59131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT) { 59331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (getCurrentScreen() < getChildCount() - 1) { 59431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project snapToScreen(getCurrentScreen() + 1); 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 59631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return super.dispatchUnhandledMove(focused, direction); 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 602c2e24c0a37ddeab930f731c062705d435e477f75Romain Guy public void addFocusables(ArrayList<View> views, int direction, int focusableMode) { 603678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato if (!mLauncher.isAllAppsVisible()) { 60431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final Folder openFolder = getOpenFolder(); 60531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (openFolder == null) { 60631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen).addFocusables(views, direction); 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (direction == View.FOCUS_LEFT) { 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen > 0) { 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen - 1).addFocusables(views, direction); 61031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (direction == View.FOCUS_RIGHT){ 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mCurrentScreen < getChildCount() - 1) { 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mCurrentScreen + 1).addFocusables(views, direction); 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 61731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project openFolder.addFocusables(views, direction); 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 6237bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato public boolean dispatchTouchEvent(MotionEvent ev) { 6247bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (ev.getAction() == MotionEvent.ACTION_DOWN) { 6257bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato if (mLauncher.isWorkspaceLocked() || mLauncher.isAllAppsVisible()) { 6267bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return false; 6277bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6287bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6297bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato return super.dispatchTouchEvent(ev); 6307bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato } 6317bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato 6327bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato @Override 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onInterceptTouchEvent(MotionEvent ev) { 63468ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato final boolean workspaceLocked = mLauncher.isWorkspaceLocked(); 63568ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato final boolean allAppsVisible = mLauncher.isAllAppsVisible(); 63668ba5ca5d7f17df65f0cc8813603de2d3f215bf4Joe Onorato if (workspaceLocked || allAppsVisible) { 6377c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 63831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 64131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * This method JUST determines whether we want to intercept the motion. 64231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If we return true, onTouchEvent will be called and we do the actual 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * scrolling there. 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Shortcut the most recurring case: the user is in the dragging 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * state and he is moving his finger. We want to intercept this 64931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * motion. 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) { 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 656a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell if (mVelocityTracker == null) { 657a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker = VelocityTracker.obtain(); 658a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell } 659a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker.addMovement(ev); 660a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell 6613499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell switch (action & MotionEvent.ACTION_MASK) { 6623499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_MOVE: { 66331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * mIsBeingDragged == false, otherwise the shortcut would have caught it. Check 66531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * whether the user has moved far enough from his original down touch. 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Locally do absolute value. mLastMotionX is set to the y value 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * of the down event. 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 6723499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 6733499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float x = ev.getX(pointerIndex); 6743499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float y = ev.getY(pointerIndex); 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int xDiff = (int) Math.abs(x - mLastMotionX); 67631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int yDiff = (int) Math.abs(y - mLastMotionY); 67731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 678c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell final int touchSlop = mTouchSlop; 679c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell boolean xMoved = xDiff > touchSlop; 680c36f2455aba21448a130b9a5e2a118a379745c37Adam Powell boolean yMoved = yDiff > touchSlop; 68131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 68231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (xMoved || yMoved) { 68331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 684fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell if (xMoved) { 68531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll if the user moved far enough along the X axis 68631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_SCROLLING; 6873499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionX = x; 688fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX = mScrollX; 689fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = System.nanoTime() / NANOTIME_DIV; 690fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1); 69131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 69231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Either way, cancel any pending longpress 69331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mAllowLongPress) { 69431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 69531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Try canceling the long press. It could also have been scheduled 69631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // by a distant descendant, so use the mAllowLongPress flag to block 69731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // everything 69831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View currentScreen = getChildAt(mCurrentScreen); 69931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen.cancelLongPress(); 70031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 7033499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 70431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7053499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_DOWN: { 7063499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float x = ev.getX(); 7073499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final float y = ev.getY(); 70831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember location of down touch 70931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 71031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionY = y; 7113499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = ev.getPointerId(0); 71231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = true; 71331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 71531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches the screen, initiate drag; 71631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * otherwise don't. mScroller.isFinished should be false when 71731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * being flinged. 71831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 71931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING; 72031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 7213499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 72231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 72431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 725f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 726f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (mTouchState != TOUCH_STATE_SCROLLING) { 727f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron final CellLayout currentScreen = (CellLayout)getChildAt(mCurrentScreen); 728f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron if (!currentScreen.lastDownOnOccupiedCell()) { 72906762ab54d64e84328d427403bb6074dfd0f630cRomain Guy getLocationOnScreen(mTempCell); 730f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron // Send a tap to the wallpaper if the last down was on empty space 7313499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 732f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron mWallpaperManager.sendWallpaperCommand(getWindowToken(), 73306762ab54d64e84328d427403bb6074dfd0f630cRomain Guy "android.wallpaper.tap", 7343499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mTempCell[0] + (int) ev.getX(pointerIndex), 7353499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mTempCell[1] + (int) ev.getY(pointerIndex), 0, null); 736f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 737f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron } 738f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Release the drag 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project clearChildrenCache(); 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 7423499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = INVALID_POINTER; 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mAllowLongPress = false; 744a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell 745a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell if (mVelocityTracker != null) { 746a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker.recycle(); 747a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell mVelocityTracker = null; 748a588b878b91ee817e3c78411ab0e08e2342acbd8Adam Powell } 749f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 75031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 7513499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 7523499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_POINTER_UP: 7533499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell onSecondaryPointerUp(ev); 7543499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell break; 75531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 75631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 75831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * The only time we want to intercept motion events is if we are in the 75931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * drag mode. 76031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 76131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mTouchState != TOUCH_STATE_REST; 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 7633499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 7643499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell private void onSecondaryPointerUp(MotionEvent ev) { 7653499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> 7663499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell MotionEvent.ACTION_POINTER_INDEX_SHIFT; 7673499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerId = ev.getPointerId(pointerIndex); 7683499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell if (pointerId == mActivePointerId) { 7693499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell // This was our active pointer going up. Choose a new 7703499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell // active pointer and adjust accordingly. 7713499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell // TODO: Make this decision more intelligent. 7723499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int newPointerIndex = pointerIndex == 0 ? 1 : 0; 7733499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionX = ev.getX(newPointerIndex); 7743499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionY = ev.getY(newPointerIndex); 7753499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = ev.getPointerId(newPointerIndex); 7763499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell if (mVelocityTracker != null) { 7773499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mVelocityTracker.clear(); 7783499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 7793499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 7803499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell } 78131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7823a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato /** 7833a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * If one of our descendant views decides that it could be focused now, only 7843a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * pass that along if it's on the current screen. 7853a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * 7863a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * This happens when live folders requery, and if they're off screen, they 7873a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato * end up calling requestFocus, which pulls it on screen. 7883a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato */ 7893a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato @Override 7903a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato public void focusableViewAvailable(View focused) { 7913a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View current = getChildAt(mCurrentScreen); 7923a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato View v = focused; 7933a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato while (true) { 7943a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == current) { 7953a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato super.focusableViewAvailable(focused); 7963a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 7973a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 7983a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (v == this) { 7993a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 8003a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8013a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato ViewParent parent = v.getParent(); 8023a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato if (parent instanceof View) { 8033a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato v = (View)v.getParent(); 8043a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } else { 8053a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato return; 8063a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8073a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8083a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato } 8093a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato 8103a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron void enableChildrenCache(int fromScreen, int toScreen) { 8113a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron if (fromScreen > toScreen) { 812fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell final int temp = fromScreen; 813fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell fromScreen = toScreen; 814d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell toScreen = temp; 8153a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } 8163a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 81731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 818fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 8193a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron fromScreen = Math.max(fromScreen, 0); 8203a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron toScreen = Math.min(toScreen, count - 1); 821fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell 8223a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron for (int i = fromScreen; i <= toScreen; i++) { 82331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 82431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(true); 82531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawingCacheEnabled(true); 82631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void clearChildrenCache() { 83031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 83131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 83231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 83331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.setChildrenDrawnWithCacheEnabled(false); 83431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 83831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean onTouchEvent(MotionEvent ev) { 839f8bbd34d7d4705b49db202be92b920196bc7ea38Mike Cleron 8402bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isWorkspaceLocked()) { 8412bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 8422bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 8432bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (mLauncher.isAllAppsVisible()) { 8442bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato // Cancel any scrolling that is in progress. 8452bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato if (!mScroller.isFinished()) { 8462bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato mScroller.abortAnimation(); 8472bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato } 8482bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato snapToScreen(mCurrentScreen); 8497c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato return false; // We don't want the events. Let them fall through to the all apps view. 85031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker == null) { 85331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = VelocityTracker.obtain(); 85431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.addMovement(ev); 85631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int action = ev.getAction(); 85831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8593499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell switch (action & MotionEvent.ACTION_MASK) { 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_DOWN: 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /* 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * If being flinged and user touches, stop the fling. isFinished 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * will be false if being flinged. 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!mScroller.isFinished()) { 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mScroller.abortAnimation(); 86731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Remember where the motion event started 8703499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mLastMotionX = ev.getX(); 8713499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = ev.getPointerId(0); 872fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell if (mTouchState == TOUCH_STATE_SCROLLING) { 873fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell enableChildrenCache(mCurrentScreen - 1, mCurrentScreen + 1); 874fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell } 87531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 87631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_MOVE: 87731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 87831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Scroll to follow the motion event 8793499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int pointerIndex = ev.findPointerIndex(mActivePointerId); 880fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell final float x = ev.getX(pointerIndex); 881fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell final float deltaX = mLastMotionX - x; 88231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLastMotionX = x; 88331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (deltaX < 0) { 885fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell if (mTouchX > 0) { 886fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX += Math.max(-mTouchX, deltaX); 887fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = System.nanoTime() / NANOTIME_DIV; 888fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell invalidate(); 88931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (deltaX > 0) { 891fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell final float availableToScroll = getChildAt(getChildCount() - 1).getRight() - 892fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX - getWidth(); 89331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (availableToScroll > 0) { 894fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mTouchX += Math.min(availableToScroll, deltaX); 895fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell mSmoothingTime = System.nanoTime() / NANOTIME_DIV; 896fe8e279dbc31a5155d7ad09987d5cda8aad10206Adam Powell invalidate(); 89731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 8983a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron } else { 8993a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron awakenScrollBars(); 90031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 90131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 90231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 90331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_UP: 90431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mTouchState == TOUCH_STATE_SCROLLING) { 90531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final VelocityTracker velocityTracker = mVelocityTracker; 906a206daaed1318005d1534cca2e4eeec56144d104Romain Guy velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); 9073499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int velocityX = (int) velocityTracker.getXVelocity(mActivePointerId); 9083499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 9093499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int screenWidth = getWidth(); 9103499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell final int whichScreen = (mScrollX + (screenWidth / 2)) / screenWidth; 911327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell final float scrolledPos = (float) mScrollX / screenWidth; 9123499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell 91331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (velocityX > SNAP_VELOCITY && mCurrentScreen > 0) { 914327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell // Fling hard enough to move left. 915327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell // Don't fling across more than one screen at a time. 916327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell final int bound = scrolledPos < whichScreen ? 917327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell mCurrentScreen - 1 : mCurrentScreen; 918d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(Math.min(whichScreen, bound), velocityX, true); 91931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (velocityX < -SNAP_VELOCITY && mCurrentScreen < getChildCount() - 1) { 92031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Fling hard enough to move right 921327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell // Don't fling across more than one screen at a time. 922327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell final int bound = scrolledPos > whichScreen ? 923327a9a3a309eeda5bdc18281066f2e19236455bcAdam Powell mCurrentScreen + 1 : mCurrentScreen; 924d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(Math.max(whichScreen, bound), velocityX, true); 92531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 926d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(whichScreen, 0, true); 92731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 92831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mVelocityTracker != null) { 93031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker.recycle(); 93131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mVelocityTracker = null; 93231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 93431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 9353499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = INVALID_POINTER; 93631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 93731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case MotionEvent.ACTION_CANCEL: 93831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mTouchState = TOUCH_STATE_REST; 9393499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell mActivePointerId = INVALID_POINTER; 9403499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell break; 9413499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell case MotionEvent.ACTION_POINTER_UP: 9423499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell onSecondaryPointerUp(ev); 9433499d4aac4333e9dc33fe4d09bb261574a633e91Adam Powell break; 94431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 94631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 94731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 948d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 949d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell void snapToScreen(int whichScreen) { 950d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell snapToScreen(whichScreen, 0, false); 95131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 95231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 953d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell private void snapToScreen(int whichScreen, int velocity, boolean settle) { 954e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy //if (!mScroller.isFinished()) return; 95582d94d9e9ee4eb6b14db3c8df2f47dcae5ce4ab0Romain Guy 9563a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1)); 9573a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron 9584c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 9593a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron enableChildrenCache(mCurrentScreen, whichScreen); 96031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 96131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mNextScreen = whichScreen; 962e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy 963e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mPreviousIndicator.setLevel(mNextScreen); 964e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy mNextIndicator.setLevel(mNextScreen); 965ed2390e7091511618bf5030d4996ccafadba3cc3Romain Guy 96631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View focusedChild = getFocusedChild(); 967d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (focusedChild != null && whichScreen != mCurrentScreen && 968d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell focusedChild == getChildAt(mCurrentScreen)) { 96931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project focusedChild.clearFocus(); 97031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 97131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 972d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell final int screenDelta = Math.max(1, Math.abs(whichScreen - mCurrentScreen)); 97331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int newX = whichScreen * getWidth(); 97431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int delta = newX - mScrollX; 975d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell int duration = (screenDelta + 1) * 100; 976f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy 977d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (!mScroller.isFinished()) { 978d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mScroller.abortAnimation(); 979d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 980d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 981d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (settle) { 982d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mScrollInterpolator.setDistance(screenDelta); 983d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } else { 984d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell mScrollInterpolator.disableSettle(); 985d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 986d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 987d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell velocity = Math.abs(velocity); 988d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell if (velocity > 0) { 989d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell duration += (duration / (velocity / BASELINE_FLING_VELOCITY)) 990d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell * FLING_VELOCITY_INFLUENCE; 991d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } else { 992d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell duration += 100; 993d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell } 994d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell 995d40613a693ea00bd767d60bfdbdcebe4cbf7bbddAdam Powell awakenScrollBars(duration); 996c45b16862918a0c6c253bba12032165b030565afJoe Onorato mScroller.startScroll(mScrollX, 0, delta, 0, duration); 99731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 99831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void startDrag(CellLayout.CellInfo cellInfo) { 100131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = cellInfo.cell; 100231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Make sure the drag was started by a long press as opposed to a long click. 10047984c9496bcaeca23ee7fdecc4d4f1bb2467e0f2Bjorn Bringert if (!child.isInTouchMode()) { 100531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return; 100631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 100731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = cellInfo; 100931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo.screen = mCurrentScreen; 101031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout current = ((CellLayout) getChildAt(mCurrentScreen)); 101231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project current.onDragChild(child); 101400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.startDrag(child, this, child.getTag(), DragController.DRAG_ACTION_MOVE); 101531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project invalidate(); 101631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 101931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected Parcelable onSaveInstanceState() { 102031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final SavedState state = new SavedState(super.onSaveInstanceState()); 102131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project state.currentScreen = mCurrentScreen; 102231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return state; 102331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 102431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 102531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 102631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 102731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState savedState = (SavedState) state; 102831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onRestoreInstanceState(savedState.getSuperState()); 102931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (savedState.currentScreen != -1) { 103031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCurrentScreen = savedState.currentScreen; 103131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Launcher.setScreen(mCurrentScreen); 103231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10350589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato void addApplicationShortcut(ShortcutInfo info, CellLayout.CellInfo cellInfo) { 103631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project addApplicationShortcut(info, cellInfo, false); 103731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10390589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato void addApplicationShortcut(ShortcutInfo info, CellLayout.CellInfo cellInfo, 104031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 104131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(cellInfo.screen); 104231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int[] result = new int[2]; 104331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 104431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project layout.cellToPoint(cellInfo.cellX, cellInfo.cellY, result); 104531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(result[0], result[1], info, layout, insertAtFirst); 104631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 104800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, 104900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 105070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout cellLayout = getCurrentDropLayout(); 105131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (source != this) { 105231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x - xOffset, y - yOffset, dragInfo, cellLayout); 105331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 105431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Move internally 105531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 105631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View cell = mDragInfo.cell; 105752d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 105852d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy if (index != mDragInfo.screen) { 105931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen); 106031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project originalCellLayout.removeView(cell); 106131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(cell); 106231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1063263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x - xOffset, y - yOffset, 106470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mDragInfo.spanX, mDragInfo.spanY, cell, cellLayout, mTargetCell); 106570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(cell, mTargetCell); 106631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 106784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy final ItemInfo info = (ItemInfo) cell.getTag(); 106831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams(); 106931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.moveItemInDatabase(mLauncher, info, 107052d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy LauncherSettings.Favorites.CONTAINER_DESKTOP, index, lp.cellX, lp.cellY); 107131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 107531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, 107600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 10774c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 107831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 107931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, 108100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 108231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, 108500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato DragView dragView, Object dragInfo) { 10864c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 108731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout) { 109031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project onDropExternal(x, y, dragInfo, cellLayout, false); 109131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 109231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private void onDropExternal(int x, int y, Object dragInfo, CellLayout cellLayout, 109431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean insertAtFirst) { 109531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Drag from somewhere else 109631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ItemInfo info = (ItemInfo) dragInfo; 109731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View view; 109931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 110031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project switch (info.itemType) { 110131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 110231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1103e48e7c1a62e6a367803dca62c8fce9de57121b0fJoe Onorato if (info.container == NO_ID && info instanceof ApplicationInfo) { 110431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Came from all apps -- make a copy 110559d5245b0fb8014fc16d4791fb3a031cc29799aaJoe Onorato info = new ShortcutInfo((ApplicationInfo)info); 110631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11070589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato view = mLauncher.createShortcut(R.layout.application, cellLayout, (ShortcutInfo)info); 110831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 110931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER: 111031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher, 111131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project (ViewGroup) getChildAt(mCurrentScreen), ((UserFolderInfo) info)); 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project break; 111331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project default: 111431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new IllegalStateException("Unknown item type: " + info.itemType); 111531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 111631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 111731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.addView(view, insertAtFirst ? 0 : -1); 11180d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato view.setHapticFeedbackEnabled(false); 111931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setOnLongClickListener(mLongClickListener); 112000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (view instanceof DropTarget) { 1121207e40ee66fddded52a028b8f68be3605da3df37Romain Guy mDragController.addDropTarget((DropTarget) view); 112200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 112300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 1124263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy mTargetCell = estimateDropCell(x, y, 1, 1, view, cellLayout, mTargetCell); 112570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey cellLayout.onDropChild(view, mTargetCell); 112631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams(); 112731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 112831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherModel.addOrMoveItemInDatabase(mLauncher, info, 112931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LauncherSettings.Favorites.CONTAINER_DESKTOP, mCurrentScreen, lp.cellX, lp.cellY); 113031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 113270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 113370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Return the current {@link CellLayout}, correctly picking the destination 113470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * screen while a scroll is in progress. 113570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 113670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey private CellLayout getCurrentDropLayout() { 113770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int index = mScroller.isFinished() ? mCurrentScreen : mNextScreen; 113870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return (CellLayout) getChildAt(index); 113970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 114031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 114170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 114270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 114370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 114470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public boolean acceptDrop(DragSource source, int x, int y, 114500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo) { 11464c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout layout = getCurrentDropLayout(); 11474c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final CellLayout.CellInfo cellInfo = mDragInfo; 11484c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 11494c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 11504c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 11514c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy if (mVacantCache == null) { 11524c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy final View ignoreView = cellInfo == null ? null : cellInfo.cell; 11534c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy mVacantCache = layout.findAllVacantCells(null, ignoreView); 11544c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy } 11554c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy 11564c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy return mVacantCache.findCellForSpan(mTempEstimate, spanX, spanY, false); 115770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 115870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 115970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 116070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * {@inheritDoc} 116170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 116270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey public Rect estimateDropLocation(DragSource source, int x, int y, 116300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato int xOffset, int yOffset, DragView dragView, Object dragInfo, Rect recycle) { 116470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final CellLayout layout = getCurrentDropLayout(); 116570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 116631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout.CellInfo cellInfo = mDragInfo; 116770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanX = cellInfo == null ? 1 : cellInfo.spanX; 116870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int spanY = cellInfo == null ? 1 : cellInfo.spanY; 116970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final View ignoreView = cellInfo == null ? null : cellInfo.cell; 117070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 117170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final Rect location = recycle != null ? recycle : new Rect(); 117270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 117370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find drop cell and convert into rectangle 1174263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy int[] dropCell = estimateDropCell(x - xOffset, y - yOffset, 117570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, ignoreView, layout, mTempCell); 117670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 117770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (dropCell == null) { 117870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 117970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 118070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 118170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0], dropCell[1], mTempEstimate); 118270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.left = mTempEstimate[0]; 118370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.top = mTempEstimate[1]; 118470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 118570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey layout.cellToPoint(dropCell[0] + spanX, dropCell[1] + spanY, mTempEstimate); 118670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.right = mTempEstimate[0]; 118770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey location.bottom = mTempEstimate[1]; 118870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 118970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return location; 119031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 119270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey /** 119370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Calculate the nearest cell where the given object would be dropped. 119470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey */ 1195263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy private int[] estimateDropCell(int pixelX, int pixelY, 119670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) { 119770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Create vacant cell cache if none exists 119870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (mVacantCache == null) { 119970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey mVacantCache = layout.findAllVacantCells(null, ignoreView); 120070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 120170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 120270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Find the best target drop location 120370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return layout.findNearestVacantArea(pixelX, pixelY, 120470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey spanX, spanY, mVacantCache, recycle); 120570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 120670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey 120731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void setLauncher(Launcher launcher) { 120831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mLauncher = launcher; 120931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 121031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato public void setDragController(DragController dragController) { 121200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController = dragController; 121331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 121431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void onDropCompleted(View target, boolean success) { 1216207e40ee66fddded52a028b8f68be3605da3df37Romain Guy clearVacantCache(); 1217207e40ee66fddded52a028b8f68be3605da3df37Romain Guy 121831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (success){ 121931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (target != this && mDragInfo != null) { 122031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 122131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.removeView(mDragInfo.cell); 122200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato if (mDragInfo.cell instanceof DropTarget) { 122300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato mDragController.removeDropTarget((DropTarget)mDragInfo.cell); 122400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 1225207e40ee66fddded52a028b8f68be3605da3df37Romain Guy //final Object tag = mDragInfo.cell.getTag(); 122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else { 122831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (mDragInfo != null) { 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen); 123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellLayout.onDropAborted(mDragInfo.cell); 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragInfo = null; 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 123731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollLeft() { 12384c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 1239f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mScroller.isFinished()) { 1240f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mCurrentScreen > 0) snapToScreen(mCurrentScreen - 1); 1241f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy } else { 1242f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mNextScreen > 0) snapToScreen(mNextScreen - 1); 124331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 124631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void scrollRight() { 12474c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy clearVacantCache(); 1248f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mScroller.isFinished()) { 1249f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mCurrentScreen < getChildCount() -1) snapToScreen(mCurrentScreen + 1); 1250f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy } else { 1251f8e6a80acd4e5558fdf7e0559f1043a2b183a8faRomain Guy if (mNextScreen < getChildCount() -1) snapToScreen(mNextScreen + 1); 125231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 125331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 125431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 125531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int getScreenForView(View v) { 125631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int result = -1; 125731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (v != null) { 125831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ViewParent vp = v.getParent(); 125931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 126031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 126131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (vp == getChildAt(i)) { 126231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return i; 126331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return result; 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1268138a04170d964da9cdec228e95b976875ae52481Karl Rosaen 126931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public Folder getFolderForTag(Object tag) { 127031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 127131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 127231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 127331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 127431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 127531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 127631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 127731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) { 127831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Folder f = (Folder) child; 127931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (f.getInfo() == tag) { 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return f; 128131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 128631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 128831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public View getViewForTag(Object tag) { 128931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screenCount = getChildCount(); 129031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int screen = 0; screen < screenCount; screen++) { 129131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout currentScreen = ((CellLayout) getChildAt(screen)); 129231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = currentScreen.getChildCount(); 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = currentScreen.getChildAt(i); 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getTag() == tag) { 129631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return child; 129731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return null; 130131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True is long presses are still allowed for the current touch 130531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 130631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean allowLongPress() { 130731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return mAllowLongPress; 130831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1309ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project 1310ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project /** 1311ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * Set true to allow long-press events to be triggered, usually checked by 1312ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project * {@link Launcher} to accept or block dpad-initiated long-presses. 1313ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project */ 1314ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project public void setAllowLongPress(boolean allowLongPress) { 1315ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project mAllowLongPress = allowLongPress; 1316ca9475f0403d9c0e843d5c189575068a386b2eb6The Android Open Source Project } 131731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato void removeItems(final ArrayList<ApplicationInfo> apps) { 131931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 13205c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy final PackageManager manager = getContext().getPackageManager(); 1321629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final AppWidgetManager widgets = AppWidgetManager.getInstance(getContext()); 1322574d20ec84551370987dde530c27ec493bdef564Romain Guy 132364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato final HashSet<String> packageNames = new HashSet<String>(); 132464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato final int appCount = apps.size(); 132564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (int i = 0; i < appCount; i++) { 132664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato packageNames.add(apps.get(i).componentName.getPackageName()); 132764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 132864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato 132931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 133031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1331629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1332629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy // Avoid ANRs by treating each screen separately 1333629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy post(new Runnable() { 1334629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy public void run() { 1335629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ArrayList<View> childrenToRemove = new ArrayList<View>(); 1336629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy childrenToRemove.clear(); 1337629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1338629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy int childCount = layout.getChildCount(); 1339629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy for (int j = 0; j < childCount; j++) { 1340629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final View view = layout.getChildAt(j); 1341629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy Object tag = view.getTag(); 1342629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 13430589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato if (tag instanceof ShortcutInfo) { 13440589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ShortcutInfo info = (ShortcutInfo) tag; 1345629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Intent intent = info.intent; 1346629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ComponentName name = intent.getComponent(); 1347629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 134864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 134964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 135064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(name.getPackageName())) { 135164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 135264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase(mLauncher, info); 135364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato childrenToRemove.add(view); 135464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 135564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1356629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1357629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } else if (tag instanceof UserFolderInfo) { 1358629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final UserFolderInfo info = (UserFolderInfo) tag; 13590589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ArrayList<ShortcutInfo> contents = info.contents; 13600589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ArrayList<ShortcutInfo> toRemove = new ArrayList<ShortcutInfo>(1); 1361629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final int contentsCount = contents.size(); 1362629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy boolean removedFromFolder = false; 1363629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1364629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy for (int k = 0; k < contentsCount; k++) { 13650589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato final ShortcutInfo appInfo = contents.get(k); 1366629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Intent intent = appInfo.intent; 1367629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ComponentName name = intent.getComponent(); 1368629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 136964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 137064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 137164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(name.getPackageName())) { 137264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato toRemove.add(appInfo); 137364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 137464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase( 137564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato mLauncher, appInfo); 137664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato removedFromFolder = true; 137764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 137864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1379629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1380629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1381629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1382629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy contents.removeAll(toRemove); 1383629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (removedFromFolder) { 1384629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Folder folder = getOpenFolder(); 1385629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (folder != null) folder.notifyDataSetChanged(); 1386629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1387629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } else if (tag instanceof LiveFolderInfo) { 1388629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final LiveFolderInfo info = (LiveFolderInfo) tag; 1389629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final Uri uri = info.uri; 1390629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final ProviderInfo providerInfo = manager.resolveContentProvider( 1391629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy uri.getAuthority(), 0); 1392629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1393f11079b11e98912ed56546eaa300efd06c6eb917Joe Onorato if (providerInfo != null) { 139464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 139564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(providerInfo.packageName)) { 139664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 139764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase(mLauncher, info); 139864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato childrenToRemove.add(view); 139964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 140064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1401629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1402629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } else if (tag instanceof LauncherAppWidgetInfo) { 1403629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) tag; 1404629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy final AppWidgetProviderInfo provider = 1405629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy widgets.getAppWidgetInfo(info.appWidgetId); 1406e1cc6c3745c9ba721b6ab888d74c9d9e1d13ea6aDaniel Sandler if (provider != null) { 140764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (String packageName: packageNames) { 140864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (packageName.equals(provider.provider.getPackageName())) { 140964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato // TODO: This should probably be done on a worker thread 141064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato LauncherModel.deleteItemFromDatabase(mLauncher, info); 141164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato childrenToRemove.add(view); 141264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 141364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1414629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1415574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1416574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1417629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1418629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy childCount = childrenToRemove.size(); 1419629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy for (int j = 0; j < childCount; j++) { 1420629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy View child = childrenToRemove.get(j); 1421629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy layout.removeViewInLayout(child); 1422629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (child instanceof DropTarget) { 1423629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy mDragController.removeDropTarget((DropTarget)child); 1424629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy } 1425574d20ec84551370987dde530c27ec493bdef564Romain Guy } 1426629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy 1427629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy if (childCount > 0) { 1428629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy layout.requestLayout(); 1429629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy layout.invalidate(); 14305c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy } 143131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1432629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy }); 143331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 143431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1435f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 143664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato void updateShortcuts(ArrayList<ApplicationInfo> apps) { 14379c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato final PackageManager pm = mLauncher.getPackageManager(); 14389c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato 1439f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final int count = getChildCount(); 1440f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int i = 0; i < count; i++) { 1441f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final CellLayout layout = (CellLayout) getChildAt(i); 1442f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project int childCount = layout.getChildCount(); 1443f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project for (int j = 0; j < childCount; j++) { 1444f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final View view = layout.getChildAt(j); 1445f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project Object tag = view.getTag(); 14460589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato if (tag instanceof ShortcutInfo) { 14470589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato ShortcutInfo info = (ShortcutInfo)tag; 1448f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // We need to check for ACTION_MAIN otherwise getComponent() might 1449f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // return null for some shortcuts (for instance, for shortcuts to 1450f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project // web pages.) 1451f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final Intent intent = info.intent; 1452f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project final ComponentName name = intent.getComponent(); 1453f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 145464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 145564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato final int appCount = apps.size(); 145664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato for (int k=0; k<appCount; k++) { 145764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato ApplicationInfo app = apps.get(k); 145864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato if (app.componentName.equals(name)) { 145964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato info.setIcon(mIconCache.getIcon(info.intent)); 146064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato ((TextView)view).setCompoundDrawablesWithIntrinsicBounds(null, 146164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato new FastBitmapDrawable(info.getIcon(mIconCache)), 146264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato null, null); 146364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 146464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato } 1465f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1466f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1467f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1468f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1469f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project } 1470f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project 147114f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato void moveToDefaultScreen(boolean animate) { 1472c45b16862918a0c6c253bba12032165b030565afJoe Onorato if (animate) { 1473c45b16862918a0c6c253bba12032165b030565afJoe Onorato snapToScreen(mDefaultScreen); 1474c45b16862918a0c6c253bba12032165b030565afJoe Onorato } else { 1475c45b16862918a0c6c253bba12032165b030565afJoe Onorato setCurrentScreen(mDefaultScreen); 1476c45b16862918a0c6c253bba12032165b030565afJoe Onorato } 147731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project getChildAt(mDefaultScreen).requestFocus(); 147831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 147931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14808a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy void setIndicators(Drawable previous, Drawable next) { 14818a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mPreviousIndicator = previous; 14828a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy mNextIndicator = next; 14838a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy previous.setLevel(mCurrentScreen); 14848a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy next.setLevel(mCurrentScreen); 14858a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy } 14868a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy 148731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class SavedState extends BaseSavedState { 148831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int currentScreen = -1; 148931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 149031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project SavedState(Parcelable superState) { 149131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(superState); 149231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 149331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 149431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private SavedState(Parcel in) { 149531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(in); 149631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project currentScreen = in.readInt(); 149731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 149831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 149931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 150031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void writeToParcel(Parcel out, int flags) { 150131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.writeToParcel(out, flags); 150231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project out.writeInt(currentScreen); 150331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 150431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 150531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR = 150631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project new Parcelable.Creator<SavedState>() { 150731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState createFromParcel(Parcel in) { 150831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState(in); 150931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 151031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 151131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public SavedState[] newArray(int size) { 151231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new SavedState[size]; 151331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 151431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project }; 151531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 151631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1517