1
2/*
3 * Copyright (C) 2008 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18package com.android.launcher2;
19
20import android.accounts.Account;
21import android.accounts.AccountManager;
22import android.animation.Animator;
23import android.animation.AnimatorListenerAdapter;
24import android.animation.AnimatorSet;
25import android.animation.ObjectAnimator;
26import android.animation.PropertyValuesHolder;
27import android.animation.ValueAnimator;
28import android.animation.ValueAnimator.AnimatorUpdateListener;
29import android.app.Activity;
30import android.app.ActivityManager;
31import android.app.ActivityOptions;
32import android.app.SearchManager;
33import android.appwidget.AppWidgetHostView;
34import android.appwidget.AppWidgetManager;
35import android.appwidget.AppWidgetProviderInfo;
36import android.content.ActivityNotFoundException;
37import android.content.BroadcastReceiver;
38import android.content.ComponentCallbacks2;
39import android.content.ComponentName;
40import android.content.ContentResolver;
41import android.content.Context;
42import android.content.Intent;
43import android.content.IntentFilter;
44import android.content.SharedPreferences;
45import android.content.pm.ActivityInfo;
46import android.content.pm.LauncherApps;
47import android.content.pm.PackageManager;
48import android.content.pm.PackageManager.NameNotFoundException;
49import android.content.res.Configuration;
50import android.content.res.Resources;
51import android.database.ContentObserver;
52import android.graphics.Bitmap;
53import android.graphics.Canvas;
54import android.graphics.PorterDuff;
55import android.graphics.Rect;
56import android.graphics.drawable.Drawable;
57import android.net.Uri;
58import android.os.AsyncTask;
59import android.os.Bundle;
60import android.os.Environment;
61import android.os.Handler;
62import android.os.Message;
63import android.os.StrictMode;
64import android.os.SystemClock;
65import android.os.UserHandle;
66import android.os.UserManager;
67import android.provider.Settings;
68import android.speech.RecognizerIntent;
69import android.text.Selection;
70import android.text.SpannableStringBuilder;
71import android.text.TextUtils;
72import android.text.method.TextKeyListener;
73import android.util.Log;
74import android.view.Display;
75import android.view.HapticFeedbackConstants;
76import android.view.KeyEvent;
77import android.view.LayoutInflater;
78import android.view.Menu;
79import android.view.MenuItem;
80import android.view.MotionEvent;
81import android.view.Surface;
82import android.view.View;
83import android.view.View.OnLongClickListener;
84import android.view.ViewGroup;
85import android.view.ViewTreeObserver;
86import android.view.ViewTreeObserver.OnGlobalLayoutListener;
87import android.view.WindowManager;
88import android.view.accessibility.AccessibilityEvent;
89import android.view.animation.AccelerateDecelerateInterpolator;
90import android.view.animation.AccelerateInterpolator;
91import android.view.animation.DecelerateInterpolator;
92import android.view.inputmethod.InputMethodManager;
93import android.widget.Advanceable;
94import android.widget.ImageView;
95import android.widget.TextView;
96import android.widget.Toast;
97
98import com.android.common.Search;
99import com.android.launcher.R;
100import com.android.launcher2.DropTarget.DragObject;
101
102import java.io.BufferedReader;
103import java.io.DataInputStream;
104import java.io.DataOutputStream;
105import java.io.FileDescriptor;
106import java.io.FileNotFoundException;
107import java.io.IOException;
108import java.io.InputStreamReader;
109import java.io.PrintWriter;
110import java.util.ArrayList;
111import java.util.Collection;
112import java.util.Collections;
113import java.util.Comparator;
114import java.util.HashMap;
115import java.util.HashSet;
116import java.util.List;
117import java.util.Set;
118
119/**
120 * Default launcher application.
121 */
122public final class Launcher extends Activity
123        implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks,
124                   View.OnTouchListener {
125    static final String TAG = "Launcher";
126    static final boolean LOGD = false;
127
128    static final boolean PROFILE_STARTUP = false;
129    static final boolean DEBUG_WIDGETS = false;
130    static final boolean DEBUG_STRICT_MODE = false;
131    static final boolean DEBUG_RESUME_TIME = false;
132
133    private static final int MENU_GROUP_WALLPAPER = 1;
134    private static final int MENU_WALLPAPER_SETTINGS = Menu.FIRST + 1;
135    private static final int MENU_MANAGE_APPS = MENU_WALLPAPER_SETTINGS + 1;
136    private static final int MENU_SYSTEM_SETTINGS = MENU_MANAGE_APPS + 1;
137    private static final int MENU_HELP = MENU_SYSTEM_SETTINGS + 1;
138
139    private static final int REQUEST_CREATE_SHORTCUT = 1;
140    private static final int REQUEST_CREATE_APPWIDGET = 5;
141    private static final int REQUEST_PICK_APPLICATION = 6;
142    private static final int REQUEST_PICK_SHORTCUT = 7;
143    private static final int REQUEST_PICK_APPWIDGET = 9;
144    private static final int REQUEST_PICK_WALLPAPER = 10;
145
146    private static final int REQUEST_BIND_APPWIDGET = 11;
147
148    static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate";
149
150    static final int SCREEN_COUNT = 5;
151    static final int DEFAULT_SCREEN = 2;
152
153    private static final String PREFERENCES = "launcher.preferences";
154    // To turn on these properties, type
155    // adb shell setprop log.tag.PROPERTY_NAME [VERBOSE | SUPPRESS]
156    static final String FORCE_ENABLE_ROTATION_PROPERTY = "launcher_force_rotate";
157    static final String DUMP_STATE_PROPERTY = "launcher_dump_state";
158
159    // The Intent extra that defines whether to ignore the launch animation
160    static final String INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION =
161            "com.android.launcher.intent.extra.shortcut.INGORE_LAUNCH_ANIMATION";
162
163    // Type: int
164    private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen";
165    // Type: int
166    private static final String RUNTIME_STATE = "launcher.state";
167    // Type: int
168    private static final String RUNTIME_STATE_PENDING_ADD_CONTAINER = "launcher.add_container";
169    // Type: int
170    private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen";
171    // Type: int
172    private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cell_x";
173    // Type: int
174    private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cell_y";
175    // Type: boolean
176    private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder";
177    // Type: long
178    private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id";
179    // Type: int
180    private static final String RUNTIME_STATE_PENDING_ADD_SPAN_X = "launcher.add_span_x";
181    // Type: int
182    private static final String RUNTIME_STATE_PENDING_ADD_SPAN_Y = "launcher.add_span_y";
183    // Type: parcelable
184    private static final String RUNTIME_STATE_PENDING_ADD_WIDGET_INFO = "launcher.add_widget_info";
185    // Type: parcelable
186    private static final String RUNTIME_STATE_PENDING_ADD_WIDGET_ID = "launcher.add_widget_id";
187
188    private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon";
189    private static final String TOOLBAR_SEARCH_ICON_METADATA_NAME =
190            "com.android.launcher.toolbar_search_icon";
191    private static final String TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME =
192            "com.android.launcher.toolbar_voice_search_icon";
193
194    /** The different states that Launcher can be in. */
195    private enum State { NONE, WORKSPACE, APPS_CUSTOMIZE, APPS_CUSTOMIZE_SPRING_LOADED };
196    private State mState = State.WORKSPACE;
197    private AnimatorSet mStateAnimation;
198    private AnimatorSet mDividerAnimator;
199
200    static final int APPWIDGET_HOST_ID = 1024;
201    private static final int EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT = 300;
202    private static final int EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT = 600;
203    private static final int SHOW_CLING_DURATION = 550;
204    private static final int DISMISS_CLING_DURATION = 250;
205
206    private static final Object sLock = new Object();
207    private static int sScreen = DEFAULT_SCREEN;
208
209    // How long to wait before the new-shortcut animation automatically pans the workspace
210    private static int NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS = 10;
211
212    private final BroadcastReceiver mCloseSystemDialogsReceiver
213            = new CloseSystemDialogsIntentReceiver();
214    private final ContentObserver mWidgetObserver = new AppWidgetResetObserver();
215
216    private LayoutInflater mInflater;
217
218    private Workspace mWorkspace;
219    private View mQsbDivider;
220    private View mDockDivider;
221    private View mLauncherView;
222    private DragLayer mDragLayer;
223    private DragController mDragController;
224
225    private AppWidgetManager mAppWidgetManager;
226    private LauncherAppWidgetHost mAppWidgetHost;
227
228    private ItemInfo mPendingAddInfo = new ItemInfo();
229    private AppWidgetProviderInfo mPendingAddWidgetInfo;
230    private int mPendingAddWidgetId = -1;
231
232    private int[] mTmpAddItemCellCoordinates = new int[2];
233
234    private FolderInfo mFolderInfo;
235
236    private Hotseat mHotseat;
237    private View mAllAppsButton;
238
239    private SearchDropTargetBar mSearchDropTargetBar;
240    private AppsCustomizeTabHost mAppsCustomizeTabHost;
241    private AppsCustomizePagedView mAppsCustomizeContent;
242    private boolean mAutoAdvanceRunning = false;
243
244    private Bundle mSavedState;
245    // We set the state in both onCreate and then onNewIntent in some cases, which causes both
246    // scroll issues (because the workspace may not have been measured yet) and extra work.
247    // Instead, just save the state that we need to restore Launcher to, and commit it in onResume.
248    private State mOnResumeState = State.NONE;
249
250    private SpannableStringBuilder mDefaultKeySsb = null;
251
252    private boolean mWorkspaceLoading = true;
253
254    private boolean mPaused = true;
255    private boolean mRestoring;
256    private boolean mWaitingForResult;
257    private boolean mOnResumeNeedsLoad;
258
259    private ArrayList<Runnable> mOnResumeCallbacks = new ArrayList<Runnable>();
260
261    // Keep track of whether the user has left launcher
262    private static boolean sPausedFromUserAction = false;
263
264    private Bundle mSavedInstanceState;
265
266    private LauncherModel mModel;
267    private IconCache mIconCache;
268    private boolean mUserPresent = true;
269    private boolean mVisible = false;
270    private boolean mAttached = false;
271
272    private enum HostDevice { UNKNOWN, EMULATOR, REAL_DEVICE};
273    private HostDevice mHostDevice = HostDevice.UNKNOWN;
274
275    private static LocaleConfiguration sLocaleConfiguration = null;
276
277    private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>();
278
279    private Intent mAppMarketIntent = null;
280
281    // Related to the auto-advancing of widgets
282    private final int ADVANCE_MSG = 1;
283    private final int mAdvanceInterval = 20000;
284    private final int mAdvanceStagger = 250;
285    private long mAutoAdvanceSentTime;
286    private long mAutoAdvanceTimeLeft = -1;
287    private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance =
288        new HashMap<View, AppWidgetProviderInfo>();
289
290    // Determines how long to wait after a rotation before restoring the screen orientation to
291    // match the sensor state.
292    private final int mRestoreScreenOrientationDelay = 500;
293
294    // External icons saved in case of resource changes, orientation, etc.
295    private static Drawable.ConstantState[] sGlobalSearchIcon = new Drawable.ConstantState[2];
296    private static Drawable.ConstantState[] sVoiceSearchIcon = new Drawable.ConstantState[2];
297    private static Drawable.ConstantState[] sAppMarketIcon = new Drawable.ConstantState[2];
298
299    private Drawable mWorkspaceBackgroundDrawable;
300
301    private final ArrayList<Integer> mSynchronouslyBoundPages = new ArrayList<Integer>();
302
303    static final ArrayList<String> sDumpLogs = new ArrayList<String>();
304
305    // We only want to get the SharedPreferences once since it does an FS stat each time we get
306    // it from the context.
307    private SharedPreferences mSharedPrefs;
308
309    // Holds the page that we need to animate to, and the icon views that we need to animate up
310    // when we scroll to that page on resume.
311    private int mNewShortcutAnimatePage = -1;
312    private ArrayList<View> mNewShortcutAnimateViews = new ArrayList<View>();
313    private ImageView mFolderIconImageView;
314    private Bitmap mFolderIconBitmap;
315    private Canvas mFolderIconCanvas;
316    private Rect mRectForFolderAnimation = new Rect();
317
318    private BubbleTextView mWaitingForResume;
319
320    private HideFromAccessibilityHelper mHideFromAccessibilityHelper
321        = new HideFromAccessibilityHelper();
322
323    private Runnable mBuildLayersRunnable = new Runnable() {
324        public void run() {
325            if (mWorkspace != null) {
326                mWorkspace.buildPageHardwareLayers();
327            }
328        }
329    };
330
331    private static ArrayList<PendingAddArguments> sPendingAddList
332            = new ArrayList<PendingAddArguments>();
333
334    private static boolean sForceEnableRotation = isPropertyEnabled(FORCE_ENABLE_ROTATION_PROPERTY);
335
336    private static class PendingAddArguments {
337        int requestCode;
338        Intent intent;
339        long container;
340        int screen;
341        int cellX;
342        int cellY;
343    }
344
345    private static boolean isPropertyEnabled(String propertyName) {
346        return Log.isLoggable(propertyName, Log.VERBOSE);
347    }
348
349    @Override
350    protected void onCreate(Bundle savedInstanceState) {
351        if (DEBUG_STRICT_MODE) {
352            StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
353                    .detectDiskReads()
354                    .detectDiskWrites()
355                    .detectNetwork()   // or .detectAll() for all detectable problems
356                    .penaltyLog()
357                    .build());
358            StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
359                    .detectLeakedSqlLiteObjects()
360                    .detectLeakedClosableObjects()
361                    .penaltyLog()
362                    .penaltyDeath()
363                    .build());
364        }
365
366        super.onCreate(savedInstanceState);
367        LauncherApplication app = ((LauncherApplication)getApplication());
368        mSharedPrefs = getSharedPreferences(LauncherApplication.getSharedPreferencesKey(),
369                Context.MODE_PRIVATE);
370        mModel = app.setLauncher(this);
371        mIconCache = app.getIconCache();
372        mDragController = new DragController(this);
373        mInflater = getLayoutInflater();
374
375        mAppWidgetManager = AppWidgetManager.getInstance(this);
376        mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID);
377        mAppWidgetHost.startListening();
378
379        // If we are getting an onCreate, we can actually preempt onResume and unset mPaused here,
380        // this also ensures that any synchronous binding below doesn't re-trigger another
381        // LauncherModel load.
382        mPaused = false;
383
384        if (PROFILE_STARTUP) {
385            android.os.Debug.startMethodTracing(
386                    Environment.getExternalStorageDirectory() + "/launcher");
387        }
388
389        checkForLocaleChange();
390        setContentView(R.layout.launcher);
391        setupViews();
392        showFirstRunWorkspaceCling();
393
394        registerContentObservers();
395
396        lockAllApps();
397
398        mSavedState = savedInstanceState;
399        restoreState(mSavedState);
400
401        // Update customization drawer _after_ restoring the states
402        if (mAppsCustomizeContent != null) {
403            mAppsCustomizeContent.onPackagesUpdated(
404                LauncherModel.getSortedWidgetsAndShortcuts(this));
405        }
406
407        if (PROFILE_STARTUP) {
408            android.os.Debug.stopMethodTracing();
409        }
410
411        if (!mRestoring) {
412            if (sPausedFromUserAction) {
413                // If the user leaves launcher, then we should just load items asynchronously when
414                // they return.
415                mModel.startLoader(true, -1);
416            } else {
417                // We only load the page synchronously if the user rotates (or triggers a
418                // configuration change) while launcher is in the foreground
419                mModel.startLoader(true, mWorkspace.getCurrentPage());
420            }
421        }
422
423        if (!mModel.isAllAppsLoaded()) {
424            ViewGroup appsCustomizeContentParent = (ViewGroup) mAppsCustomizeContent.getParent();
425            mInflater.inflate(R.layout.apps_customize_progressbar, appsCustomizeContentParent);
426        }
427
428        // For handling default keys
429        mDefaultKeySsb = new SpannableStringBuilder();
430        Selection.setSelection(mDefaultKeySsb, 0);
431
432        IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
433        registerReceiver(mCloseSystemDialogsReceiver, filter);
434
435        updateGlobalIcons();
436
437        // On large interfaces, we want the screen to auto-rotate based on the current orientation
438        unlockScreenOrientation(true);
439    }
440
441    private String getSystemPropertyFromShell(String propertyName) {
442        if (propertyName == null || propertyName.trim().equals("")) return "";
443        String propertyValue = "";
444        try {
445            java.lang.Process process =
446                    new ProcessBuilder("/system/bin/getprop", propertyName).start();
447            // try-with-resources
448            try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(
449                            process.getInputStream()))) {
450                    String line = bufferedReader.readLine();
451                    if (line != null) propertyValue = line.trim();
452            }
453            finally {
454                process.destroy();
455            }
456        } catch (java.io.IOException e) {
457            Log.e(TAG, "Couldn't find the property value for '" + propertyName + "'");
458        }
459        return propertyValue;
460    }
461
462    protected void onUserLeaveHint() {
463        super.onUserLeaveHint();
464        sPausedFromUserAction = true;
465    }
466
467    private void updateGlobalIcons() {
468        boolean searchVisible = false;
469        boolean voiceVisible = false;
470        // If we have a saved version of these external icons, we load them up immediately
471        int coi = getCurrentOrientationIndexForGlobalIcons();
472        if (sGlobalSearchIcon[coi] == null || sVoiceSearchIcon[coi] == null ||
473                sAppMarketIcon[coi] == null) {
474            updateAppMarketIcon();
475            searchVisible = updateGlobalSearchIcon();
476            voiceVisible = updateVoiceSearchIcon(searchVisible);
477        }
478        if (sGlobalSearchIcon[coi] != null) {
479             updateGlobalSearchIcon(sGlobalSearchIcon[coi]);
480             searchVisible = true;
481        }
482        if (sVoiceSearchIcon[coi] != null) {
483            updateVoiceSearchIcon(sVoiceSearchIcon[coi]);
484            voiceVisible = true;
485        }
486        if (sAppMarketIcon[coi] != null) {
487            updateAppMarketIcon(sAppMarketIcon[coi]);
488        }
489        if (mSearchDropTargetBar != null) {
490            mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible);
491        }
492    }
493
494    private void checkForLocaleChange() {
495        if (sLocaleConfiguration == null) {
496            new AsyncTask<Void, Void, LocaleConfiguration>() {
497                @Override
498                protected LocaleConfiguration doInBackground(Void... unused) {
499                    LocaleConfiguration localeConfiguration = new LocaleConfiguration();
500                    readConfiguration(Launcher.this, localeConfiguration);
501                    return localeConfiguration;
502                }
503
504                @Override
505                protected void onPostExecute(LocaleConfiguration result) {
506                    sLocaleConfiguration = result;
507                    checkForLocaleChange();  // recursive, but now with a locale configuration
508                }
509            }.execute();
510            return;
511        }
512
513        final Configuration configuration = getResources().getConfiguration();
514
515        final String previousLocale = sLocaleConfiguration.locale;
516        final String locale = configuration.locale.toString();
517
518        final int previousMcc = sLocaleConfiguration.mcc;
519        final int mcc = configuration.mcc;
520
521        final int previousMnc = sLocaleConfiguration.mnc;
522        final int mnc = configuration.mnc;
523
524        boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc;
525
526        if (localeChanged) {
527            sLocaleConfiguration.locale = locale;
528            sLocaleConfiguration.mcc = mcc;
529            sLocaleConfiguration.mnc = mnc;
530
531            mIconCache.flush();
532
533            final LocaleConfiguration localeConfiguration = sLocaleConfiguration;
534            new Thread("WriteLocaleConfiguration") {
535                @Override
536                public void run() {
537                    writeConfiguration(Launcher.this, localeConfiguration);
538                }
539            }.start();
540        }
541    }
542
543    private static class LocaleConfiguration {
544        public String locale;
545        public int mcc = -1;
546        public int mnc = -1;
547    }
548
549    private static void readConfiguration(Context context, LocaleConfiguration configuration) {
550        DataInputStream in = null;
551        try {
552            in = new DataInputStream(context.openFileInput(PREFERENCES));
553            configuration.locale = in.readUTF();
554            configuration.mcc = in.readInt();
555            configuration.mnc = in.readInt();
556        } catch (FileNotFoundException e) {
557            // Ignore
558        } catch (IOException e) {
559            // Ignore
560        } finally {
561            if (in != null) {
562                try {
563                    in.close();
564                } catch (IOException e) {
565                    // Ignore
566                }
567            }
568        }
569    }
570
571    private static void writeConfiguration(Context context, LocaleConfiguration configuration) {
572        DataOutputStream out = null;
573        try {
574            out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE));
575            out.writeUTF(configuration.locale);
576            out.writeInt(configuration.mcc);
577            out.writeInt(configuration.mnc);
578            out.flush();
579        } catch (FileNotFoundException e) {
580            // Ignore
581        } catch (IOException e) {
582            //noinspection ResultOfMethodCallIgnored
583            context.getFileStreamPath(PREFERENCES).delete();
584        } finally {
585            if (out != null) {
586                try {
587                    out.close();
588                } catch (IOException e) {
589                    // Ignore
590                }
591            }
592        }
593    }
594
595    public DragLayer getDragLayer() {
596        return mDragLayer;
597    }
598
599    boolean isDraggingEnabled() {
600        // We prevent dragging when we are loading the workspace as it is possible to pick up a view
601        // that is subsequently removed from the workspace in startBinding().
602        return !mModel.isLoadingWorkspace();
603    }
604
605    static int getScreen() {
606        synchronized (sLock) {
607            return sScreen;
608        }
609    }
610
611    static void setScreen(int screen) {
612        synchronized (sLock) {
613            sScreen = screen;
614        }
615    }
616
617    /**
618     * Returns whether we should delay spring loaded mode -- for shortcuts and widgets that have
619     * a configuration step, this allows the proper animations to run after other transitions.
620     */
621    private boolean completeAdd(PendingAddArguments args) {
622        boolean result = false;
623        switch (args.requestCode) {
624            case REQUEST_PICK_APPLICATION:
625                completeAddApplication(args.intent, args.container, args.screen, args.cellX,
626                        args.cellY);
627                break;
628            case REQUEST_PICK_SHORTCUT:
629                processShortcut(args.intent);
630                break;
631            case REQUEST_CREATE_SHORTCUT:
632                completeAddShortcut(args.intent, args.container, args.screen, args.cellX,
633                        args.cellY);
634                result = true;
635                break;
636            case REQUEST_CREATE_APPWIDGET:
637                int appWidgetId = args.intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
638                completeAddAppWidget(appWidgetId, args.container, args.screen, null, null);
639                result = true;
640                break;
641            case REQUEST_PICK_WALLPAPER:
642                // We just wanted the activity result here so we can clear mWaitingForResult
643                break;
644        }
645        // Before adding this resetAddInfo(), after a shortcut was added to a workspace screen,
646        // if you turned the screen off and then back while in All Apps, Launcher would not
647        // return to the workspace. Clearing mAddInfo.container here fixes this issue
648        resetAddInfo();
649        return result;
650    }
651
652    @Override
653    protected void onActivityResult(
654            final int requestCode, final int resultCode, final Intent data) {
655
656        int pendingAddWidgetId = mPendingAddWidgetId;
657        mPendingAddWidgetId = -1;
658
659        if (requestCode == REQUEST_BIND_APPWIDGET) {
660            int appWidgetId = data != null ?
661                    data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1) : -1;
662            if (resultCode == RESULT_CANCELED) {
663                completeTwoStageWidgetDrop(RESULT_CANCELED, appWidgetId);
664            } else if (resultCode == RESULT_OK) {
665                addAppWidgetImpl(appWidgetId, mPendingAddInfo, null, mPendingAddWidgetInfo);
666            }
667            return;
668        }
669        boolean delayExitSpringLoadedMode = false;
670        boolean isWidgetDrop = (requestCode == REQUEST_PICK_APPWIDGET ||
671                requestCode == REQUEST_CREATE_APPWIDGET);
672        mWaitingForResult = false;
673
674        // We have special handling for widgets
675        if (isWidgetDrop) {
676            final int appWidgetId;
677            int widgetId = data != null ? data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1)
678                    : -1;
679            if (widgetId < 0) {
680                appWidgetId = pendingAddWidgetId;
681            } else {
682                appWidgetId = widgetId;
683            }
684
685            if (appWidgetId < 0) {
686                Log.e(TAG, "Error: appWidgetId (EXTRA_APPWIDGET_ID) was not returned from the \\" +
687                        "widget configuration activity.");
688                completeTwoStageWidgetDrop(RESULT_CANCELED, appWidgetId);
689            } else {
690                completeTwoStageWidgetDrop(resultCode, appWidgetId);
691            }
692            return;
693        }
694
695        // The pattern used here is that a user PICKs a specific application,
696        // which, depending on the target, might need to CREATE the actual target.
697
698        // For example, the user would PICK_SHORTCUT for "Music playlist", and we
699        // launch over to the Music app to actually CREATE_SHORTCUT.
700        if (resultCode == RESULT_OK && mPendingAddInfo.container != ItemInfo.NO_ID) {
701            final PendingAddArguments args = new PendingAddArguments();
702            args.requestCode = requestCode;
703            args.intent = data;
704            args.container = mPendingAddInfo.container;
705            args.screen = mPendingAddInfo.screen;
706            args.cellX = mPendingAddInfo.cellX;
707            args.cellY = mPendingAddInfo.cellY;
708            if (isWorkspaceLocked()) {
709                sPendingAddList.add(args);
710            } else {
711                delayExitSpringLoadedMode = completeAdd(args);
712            }
713        }
714        mDragLayer.clearAnimatedView();
715        // Exit spring loaded mode if necessary after cancelling the configuration of a widget
716        exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), delayExitSpringLoadedMode,
717                null);
718    }
719
720    private void completeTwoStageWidgetDrop(final int resultCode, final int appWidgetId) {
721        CellLayout cellLayout =
722                (CellLayout) mWorkspace.getChildAt(mPendingAddInfo.screen);
723        Runnable onCompleteRunnable = null;
724        int animationType = 0;
725
726        AppWidgetHostView boundWidget = null;
727        if (resultCode == RESULT_OK) {
728            animationType = Workspace.COMPLETE_TWO_STAGE_WIDGET_DROP_ANIMATION;
729            final AppWidgetHostView layout = mAppWidgetHost.createView(this, appWidgetId,
730                    mPendingAddWidgetInfo);
731            boundWidget = layout;
732            onCompleteRunnable = new Runnable() {
733                @Override
734                public void run() {
735                    completeAddAppWidget(appWidgetId, mPendingAddInfo.container,
736                            mPendingAddInfo.screen, layout, null);
737                    exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), false,
738                            null);
739                }
740            };
741        } else if (resultCode == RESULT_CANCELED) {
742            mAppWidgetHost.deleteAppWidgetId(appWidgetId);
743            animationType = Workspace.CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION;
744            onCompleteRunnable = new Runnable() {
745                @Override
746                public void run() {
747                    exitSpringLoadedDragModeDelayed((resultCode != RESULT_CANCELED), false,
748                            null);
749                }
750            };
751        }
752        if (mDragLayer.getAnimatedView() != null) {
753            mWorkspace.animateWidgetDrop(mPendingAddInfo, cellLayout,
754                    (DragView) mDragLayer.getAnimatedView(), onCompleteRunnable,
755                    animationType, boundWidget, true);
756        } else {
757            // The animated view may be null in the case of a rotation during widget configuration
758            onCompleteRunnable.run();
759        }
760    }
761
762    @Override
763    protected void onStop() {
764        super.onStop();
765        FirstFrameAnimatorHelper.setIsVisible(false);
766    }
767
768    @Override
769    protected void onStart() {
770        super.onStart();
771        FirstFrameAnimatorHelper.setIsVisible(true);
772    }
773
774    @Override
775    protected void onResume() {
776        long startTime = 0;
777        if (DEBUG_RESUME_TIME) {
778            startTime = System.currentTimeMillis();
779        }
780        super.onResume();
781
782        // Restore the previous launcher state
783        if (mOnResumeState == State.WORKSPACE) {
784            showWorkspace(false);
785        } else if (mOnResumeState == State.APPS_CUSTOMIZE) {
786            showAllApps(false);
787        }
788        mOnResumeState = State.NONE;
789
790        // Background was set to gradient in onPause(), restore to black if in all apps.
791        setWorkspaceBackground(mState == State.WORKSPACE);
792
793        // Process any items that were added while Launcher was away
794        InstallShortcutReceiver.flushInstallQueue(this);
795
796        mPaused = false;
797        sPausedFromUserAction = false;
798        if (mRestoring || mOnResumeNeedsLoad) {
799            mWorkspaceLoading = true;
800            mModel.startLoader(true, -1);
801            mRestoring = false;
802            mOnResumeNeedsLoad = false;
803        }
804        if (mOnResumeCallbacks.size() > 0) {
805            // We might have postponed some bind calls until onResume (see waitUntilResume) --
806            // execute them here
807            long startTimeCallbacks = 0;
808            if (DEBUG_RESUME_TIME) {
809                startTimeCallbacks = System.currentTimeMillis();
810            }
811
812            if (mAppsCustomizeContent != null) {
813                mAppsCustomizeContent.setBulkBind(true);
814            }
815            for (int i = 0; i < mOnResumeCallbacks.size(); i++) {
816                mOnResumeCallbacks.get(i).run();
817            }
818            if (mAppsCustomizeContent != null) {
819                mAppsCustomizeContent.setBulkBind(false);
820            }
821            mOnResumeCallbacks.clear();
822            if (DEBUG_RESUME_TIME) {
823                Log.d(TAG, "Time spent processing callbacks in onResume: " +
824                    (System.currentTimeMillis() - startTimeCallbacks));
825            }
826        }
827
828        // Reset the pressed state of icons that were locked in the press state while activities
829        // were launching
830        if (mWaitingForResume != null) {
831            // Resets the previous workspace icon press state
832            mWaitingForResume.setStayPressed(false);
833        }
834        if (mAppsCustomizeContent != null) {
835            // Resets the previous all apps icon press state
836            mAppsCustomizeContent.resetDrawableState();
837        }
838        // It is possible that widgets can receive updates while launcher is not in the foreground.
839        // Consequently, the widgets will be inflated in the orientation of the foreground activity
840        // (framework issue). On resuming, we ensure that any widgets are inflated for the current
841        // orientation.
842        getWorkspace().reinflateWidgetsIfNecessary();
843
844        // Again, as with the above scenario, it's possible that one or more of the global icons
845        // were updated in the wrong orientation.
846        updateGlobalIcons();
847        if (DEBUG_RESUME_TIME) {
848            Log.d(TAG, "Time spent in onResume: " + (System.currentTimeMillis() - startTime));
849        }
850    }
851
852    @Override
853    protected void onPause() {
854        // NOTE: We want all transitions from launcher to act as if the wallpaper were enabled
855        // to be consistent.  So re-enable the flag here, and we will re-disable it as necessary
856        // when Launcher resumes and we are still in AllApps.
857        updateWallpaperVisibility(true);
858
859        super.onPause();
860        mPaused = true;
861        mDragController.cancelDrag();
862        mDragController.resetLastGestureUpTime();
863    }
864
865    @Override
866    public Object onRetainNonConfigurationInstance() {
867        // Flag the loader to stop early before switching
868        mModel.stopLoader();
869        if (mAppsCustomizeContent != null) {
870            mAppsCustomizeContent.surrender();
871        }
872        return Boolean.TRUE;
873    }
874
875    // We can't hide the IME if it was forced open.  So don't bother
876    /*
877    @Override
878    public void onWindowFocusChanged(boolean hasFocus) {
879        super.onWindowFocusChanged(hasFocus);
880
881        if (hasFocus) {
882            final InputMethodManager inputManager = (InputMethodManager)
883                    getSystemService(Context.INPUT_METHOD_SERVICE);
884            WindowManager.LayoutParams lp = getWindow().getAttributes();
885            inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new
886                        android.os.Handler()) {
887                        protected void onReceiveResult(int resultCode, Bundle resultData) {
888                            Log.d(TAG, "ResultReceiver got resultCode=" + resultCode);
889                        }
890                    });
891            Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged");
892        }
893    }
894    */
895
896    private boolean acceptFilter() {
897        final InputMethodManager inputManager = (InputMethodManager)
898                getSystemService(Context.INPUT_METHOD_SERVICE);
899        return !inputManager.isFullscreenMode();
900    }
901
902    @Override
903    public boolean onKeyDown(int keyCode, KeyEvent event) {
904        final int uniChar = event.getUnicodeChar();
905        final boolean handled = super.onKeyDown(keyCode, event);
906        final boolean isKeyNotWhitespace = uniChar > 0 && !Character.isWhitespace(uniChar);
907        if (!handled && acceptFilter() && isKeyNotWhitespace) {
908            boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb,
909                    keyCode, event);
910            if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) {
911                // something usable has been typed - start a search
912                // the typed text will be retrieved and cleared by
913                // showSearchDialog()
914                // If there are multiple keystrokes before the search dialog takes focus,
915                // onSearchRequested() will be called for every keystroke,
916                // but it is idempotent, so it's fine.
917                return onSearchRequested();
918            }
919        }
920
921        // Eat the long press event so the keyboard doesn't come up.
922        if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) {
923            return true;
924        }
925
926        return handled;
927    }
928
929    private String getTypedText() {
930        return mDefaultKeySsb.toString();
931    }
932
933    private void clearTypedText() {
934        mDefaultKeySsb.clear();
935        mDefaultKeySsb.clearSpans();
936        Selection.setSelection(mDefaultKeySsb, 0);
937    }
938
939    /**
940     * Given the integer (ordinal) value of a State enum instance, convert it to a variable of type
941     * State
942     */
943    private static State intToState(int stateOrdinal) {
944        State state = State.WORKSPACE;
945        final State[] stateValues = State.values();
946        for (int i = 0; i < stateValues.length; i++) {
947            if (stateValues[i].ordinal() == stateOrdinal) {
948                state = stateValues[i];
949                break;
950            }
951        }
952        return state;
953    }
954
955    /**
956     * Restores the previous state, if it exists.
957     *
958     * @param savedState The previous state.
959     */
960    private void restoreState(Bundle savedState) {
961        if (savedState == null) {
962            return;
963        }
964
965        State state = intToState(savedState.getInt(RUNTIME_STATE, State.WORKSPACE.ordinal()));
966        if (state == State.APPS_CUSTOMIZE) {
967            mOnResumeState = State.APPS_CUSTOMIZE;
968        }
969
970        int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1);
971        if (currentScreen > -1) {
972            mWorkspace.setCurrentPage(currentScreen);
973        }
974
975        final long pendingAddContainer = savedState.getLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, -1);
976        final int pendingAddScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1);
977
978        if (pendingAddContainer != ItemInfo.NO_ID && pendingAddScreen > -1) {
979            mPendingAddInfo.container = pendingAddContainer;
980            mPendingAddInfo.screen = pendingAddScreen;
981            mPendingAddInfo.cellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X);
982            mPendingAddInfo.cellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y);
983            mPendingAddInfo.spanX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_X);
984            mPendingAddInfo.spanY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y);
985            mPendingAddWidgetInfo = savedState.getParcelable(RUNTIME_STATE_PENDING_ADD_WIDGET_INFO);
986            mPendingAddWidgetId = savedState.getInt(RUNTIME_STATE_PENDING_ADD_WIDGET_ID);
987            mWaitingForResult = true;
988            mRestoring = true;
989        }
990
991
992        boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false);
993        if (renameFolder) {
994            long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID);
995            mFolderInfo = mModel.getFolderById(this, sFolders, id);
996            mRestoring = true;
997        }
998
999
1000        // Restore the AppsCustomize tab
1001        if (mAppsCustomizeTabHost != null) {
1002            String curTab = savedState.getString("apps_customize_currentTab");
1003            if (curTab != null) {
1004                mAppsCustomizeTabHost.setContentTypeImmediate(
1005                        mAppsCustomizeTabHost.getContentTypeForTabTag(curTab));
1006                mAppsCustomizeContent.loadAssociatedPages(
1007                        mAppsCustomizeContent.getCurrentPage());
1008            }
1009
1010            int currentIndex = savedState.getInt("apps_customize_currentIndex");
1011            mAppsCustomizeContent.restorePageForIndex(currentIndex);
1012        }
1013    }
1014
1015    /**
1016     * Finds all the views we need and configure them properly.
1017     */
1018    private void setupViews() {
1019        final DragController dragController = mDragController;
1020
1021        mLauncherView = findViewById(R.id.launcher);
1022        mDragLayer = (DragLayer) findViewById(R.id.drag_layer);
1023        mWorkspace = (Workspace) mDragLayer.findViewById(R.id.workspace);
1024        mQsbDivider = findViewById(R.id.qsb_divider);
1025        mDockDivider = findViewById(R.id.dock_divider);
1026
1027        mLauncherView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
1028        mWorkspaceBackgroundDrawable = getResources().getDrawable(R.drawable.workspace_bg);
1029
1030        // Setup the drag layer
1031        mDragLayer.setup(this, dragController);
1032
1033        // Setup the hotseat
1034        mHotseat = (Hotseat) findViewById(R.id.hotseat);
1035        if (mHotseat != null) {
1036            mHotseat.setup(this);
1037        }
1038
1039        // Setup the workspace
1040        mWorkspace.setHapticFeedbackEnabled(false);
1041        mWorkspace.setOnLongClickListener(this);
1042        mWorkspace.setup(dragController);
1043        dragController.addDragListener(mWorkspace);
1044
1045        // Get the search/delete bar
1046        mSearchDropTargetBar = (SearchDropTargetBar) mDragLayer.findViewById(R.id.qsb_bar);
1047
1048        // Setup AppsCustomize
1049        mAppsCustomizeTabHost = (AppsCustomizeTabHost) findViewById(R.id.apps_customize_pane);
1050        mAppsCustomizeContent = (AppsCustomizePagedView)
1051                mAppsCustomizeTabHost.findViewById(R.id.apps_customize_pane_content);
1052        mAppsCustomizeContent.setup(this, dragController);
1053
1054        // Setup the drag controller (drop targets have to be added in reverse order in priority)
1055        dragController.setDragScoller(mWorkspace);
1056        dragController.setScrollView(mDragLayer);
1057        dragController.setMoveTarget(mWorkspace);
1058        dragController.addDropTarget(mWorkspace);
1059        if (mSearchDropTargetBar != null) {
1060            mSearchDropTargetBar.setup(this, dragController);
1061        }
1062    }
1063
1064    /**
1065     * Creates a view representing a shortcut.
1066     *
1067     * @param info The data structure describing the shortcut.
1068     *
1069     * @return A View inflated from R.layout.application.
1070     */
1071    View createShortcut(ShortcutInfo info) {
1072        return createShortcut(R.layout.application,
1073                (ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info);
1074    }
1075
1076    /**
1077     * Creates a view representing a shortcut inflated from the specified resource.
1078     *
1079     * @param layoutResId The id of the XML layout used to create the shortcut.
1080     * @param parent The group the shortcut belongs to.
1081     * @param info The data structure describing the shortcut.
1082     *
1083     * @return A View inflated from layoutResId.
1084     */
1085    View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) {
1086        BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false);
1087        favorite.applyFromShortcutInfo(info, mIconCache);
1088        favorite.setOnClickListener(this);
1089        return favorite;
1090    }
1091
1092    /**
1093     * Add an application shortcut to the workspace.
1094     *
1095     * @param data The intent describing the application.
1096     * @param cellInfo The position on screen where to create the shortcut.
1097     */
1098    void completeAddApplication(Intent data, long container, int screen, int cellX, int cellY) {
1099        final int[] cellXY = mTmpAddItemCellCoordinates;
1100        final CellLayout layout = getCellLayout(container, screen);
1101
1102        // First we check if we already know the exact location where we want to add this item.
1103        if (cellX >= 0 && cellY >= 0) {
1104            cellXY[0] = cellX;
1105            cellXY[1] = cellY;
1106        } else if (!layout.findCellForSpan(cellXY, 1, 1)) {
1107            showOutOfSpaceMessage(isHotseatLayout(layout));
1108            return;
1109        }
1110
1111        final ShortcutInfo info = mModel.getShortcutInfo(getPackageManager(), data,
1112                android.os.Process.myUserHandle(), this);
1113
1114        if (info != null) {
1115            // Necessary flags are added when the activity is launched via
1116            // LauncherApps
1117            info.setActivity(data);
1118            info.container = ItemInfo.NO_ID;
1119            mWorkspace.addApplicationShortcut(info, layout, container, screen, cellXY[0], cellXY[1],
1120                    isWorkspaceLocked(), cellX, cellY);
1121        } else {
1122            Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data);
1123        }
1124    }
1125
1126    /**
1127     * Add a shortcut to the workspace.
1128     *
1129     * @param data The intent describing the shortcut.
1130     * @param cellInfo The position on screen where to create the shortcut.
1131     */
1132    private void completeAddShortcut(Intent data, long container, int screen, int cellX,
1133            int cellY) {
1134        int[] cellXY = mTmpAddItemCellCoordinates;
1135        int[] touchXY = mPendingAddInfo.dropPos;
1136        CellLayout layout = getCellLayout(container, screen);
1137
1138        boolean foundCellSpan = false;
1139
1140        ShortcutInfo info = mModel.infoFromShortcutIntent(this, data, null);
1141        if (info == null) {
1142            return;
1143        }
1144        final View view = createShortcut(info);
1145
1146        // First we check if we already know the exact location where we want to add this item.
1147        if (cellX >= 0 && cellY >= 0) {
1148            cellXY[0] = cellX;
1149            cellXY[1] = cellY;
1150            foundCellSpan = true;
1151
1152            // If appropriate, either create a folder or add to an existing folder
1153            if (mWorkspace.createUserFolderIfNecessary(view, container, layout, cellXY, 0,
1154                    true, null,null)) {
1155                return;
1156            }
1157            DragObject dragObject = new DragObject();
1158            dragObject.dragInfo = info;
1159            if (mWorkspace.addToExistingFolderIfNecessary(view, layout, cellXY, 0, dragObject,
1160                    true)) {
1161                return;
1162            }
1163        } else if (touchXY != null) {
1164            // when dragging and dropping, just find the closest free spot
1165            int[] result = layout.findNearestVacantArea(touchXY[0], touchXY[1], 1, 1, cellXY);
1166            foundCellSpan = (result != null);
1167        } else {
1168            foundCellSpan = layout.findCellForSpan(cellXY, 1, 1);
1169        }
1170
1171        if (!foundCellSpan) {
1172            showOutOfSpaceMessage(isHotseatLayout(layout));
1173            return;
1174        }
1175
1176        LauncherModel.addItemToDatabase(this, info, container, screen, cellXY[0], cellXY[1], false);
1177
1178        if (!mRestoring) {
1179            mWorkspace.addInScreen(view, container, screen, cellXY[0], cellXY[1], 1, 1,
1180                    isWorkspaceLocked());
1181        }
1182    }
1183
1184    static int[] getSpanForWidget(Context context, ComponentName component, int minWidth,
1185            int minHeight) {
1186        Rect padding = AppWidgetHostView.getDefaultPaddingForWidget(context, component, null);
1187        // We want to account for the extra amount of padding that we are adding to the widget
1188        // to ensure that it gets the full amount of space that it has requested
1189        int requiredWidth = minWidth + padding.left + padding.right;
1190        int requiredHeight = minHeight + padding.top + padding.bottom;
1191        return CellLayout.rectToCell(context.getResources(), requiredWidth, requiredHeight, null);
1192    }
1193
1194    static int[] getSpanForWidget(Context context, AppWidgetProviderInfo info) {
1195        return getSpanForWidget(context, info.provider, info.minWidth, info.minHeight);
1196    }
1197
1198    static int[] getMinSpanForWidget(Context context, AppWidgetProviderInfo info) {
1199        return getSpanForWidget(context, info.provider, info.minResizeWidth, info.minResizeHeight);
1200    }
1201
1202    static int[] getSpanForWidget(Context context, PendingAddWidgetInfo info) {
1203        return getSpanForWidget(context, info.componentName, info.info.minWidth,
1204                info.info.minHeight);
1205    }
1206
1207    static int[] getMinSpanForWidget(Context context, PendingAddWidgetInfo info) {
1208        return getSpanForWidget(context, info.componentName, info.info.minResizeWidth,
1209                info.info.minResizeHeight);
1210    }
1211
1212    /**
1213     * Add a widget to the workspace.
1214     *
1215     * @param appWidgetId The app widget id
1216     * @param cellInfo The position on screen where to create the widget.
1217     */
1218    private void completeAddAppWidget(final int appWidgetId, long container, int screen,
1219            AppWidgetHostView hostView, AppWidgetProviderInfo appWidgetInfo) {
1220        if (appWidgetInfo == null) {
1221            appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId);
1222        }
1223
1224        // Calculate the grid spans needed to fit this widget
1225        CellLayout layout = getCellLayout(container, screen);
1226
1227        int[] minSpanXY = getMinSpanForWidget(this, appWidgetInfo);
1228        int[] spanXY = getSpanForWidget(this, appWidgetInfo);
1229
1230        // Try finding open space on Launcher screen
1231        // We have saved the position to which the widget was dragged-- this really only matters
1232        // if we are placing widgets on a "spring-loaded" screen
1233        int[] cellXY = mTmpAddItemCellCoordinates;
1234        int[] touchXY = mPendingAddInfo.dropPos;
1235        int[] finalSpan = new int[2];
1236        boolean foundCellSpan = false;
1237        if (mPendingAddInfo.cellX >= 0 && mPendingAddInfo.cellY >= 0) {
1238            cellXY[0] = mPendingAddInfo.cellX;
1239            cellXY[1] = mPendingAddInfo.cellY;
1240            spanXY[0] = mPendingAddInfo.spanX;
1241            spanXY[1] = mPendingAddInfo.spanY;
1242            foundCellSpan = true;
1243        } else if (touchXY != null) {
1244            // when dragging and dropping, just find the closest free spot
1245            int[] result = layout.findNearestVacantArea(
1246                    touchXY[0], touchXY[1], minSpanXY[0], minSpanXY[1], spanXY[0],
1247                    spanXY[1], cellXY, finalSpan);
1248            spanXY[0] = finalSpan[0];
1249            spanXY[1] = finalSpan[1];
1250            foundCellSpan = (result != null);
1251        } else {
1252            foundCellSpan = layout.findCellForSpan(cellXY, minSpanXY[0], minSpanXY[1]);
1253        }
1254
1255        if (!foundCellSpan) {
1256            if (appWidgetId != -1) {
1257                // Deleting an app widget ID is a void call but writes to disk before returning
1258                // to the caller...
1259                new Thread("deleteAppWidgetId") {
1260                    public void run() {
1261                        mAppWidgetHost.deleteAppWidgetId(appWidgetId);
1262                    }
1263                }.start();
1264            }
1265            showOutOfSpaceMessage(isHotseatLayout(layout));
1266            return;
1267        }
1268
1269        // Build Launcher-specific widget info and save to database
1270        LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId,
1271                appWidgetInfo.provider);
1272        launcherInfo.spanX = spanXY[0];
1273        launcherInfo.spanY = spanXY[1];
1274        launcherInfo.minSpanX = mPendingAddInfo.minSpanX;
1275        launcherInfo.minSpanY = mPendingAddInfo.minSpanY;
1276        launcherInfo.user = appWidgetInfo.getProfile();
1277
1278        LauncherModel.addItemToDatabase(this, launcherInfo,
1279                container, screen, cellXY[0], cellXY[1], false);
1280
1281        if (!mRestoring) {
1282            if (hostView == null) {
1283                // Perform actual inflation because we're live
1284                launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo);
1285                launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo);
1286            } else {
1287                // The AppWidgetHostView has already been inflated and instantiated
1288                launcherInfo.hostView = hostView;
1289            }
1290
1291            launcherInfo.hostView.setTag(launcherInfo);
1292            launcherInfo.hostView.setVisibility(View.VISIBLE);
1293            launcherInfo.notifyWidgetSizeChanged(this);
1294
1295            mWorkspace.addInScreen(launcherInfo.hostView, container, screen, cellXY[0], cellXY[1],
1296                    launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked());
1297
1298            addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo);
1299        }
1300        resetAddInfo();
1301    }
1302
1303    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
1304        @Override
1305        public void onReceive(Context context, Intent intent) {
1306            final String action = intent.getAction();
1307            if (Intent.ACTION_SCREEN_OFF.equals(action)) {
1308                mUserPresent = false;
1309                mDragLayer.clearAllResizeFrames();
1310                updateRunning();
1311
1312                // Reset AllApps to its initial state only if we are not in the middle of
1313                // processing a multi-step drop
1314                if (mAppsCustomizeTabHost != null && mPendingAddInfo.container == ItemInfo.NO_ID) {
1315                    mAppsCustomizeTabHost.reset();
1316                    showWorkspace(false);
1317                }
1318            } else if (Intent.ACTION_USER_PRESENT.equals(action)) {
1319                mUserPresent = true;
1320                updateRunning();
1321            } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)
1322                    || Intent.ACTION_MANAGED_PROFILE_REMOVED.equals(action)) {
1323                getModel().forceReload();
1324            }
1325        }
1326    };
1327
1328    @Override
1329    public void onAttachedToWindow() {
1330        super.onAttachedToWindow();
1331
1332        // Listen for broadcasts related to user-presence
1333        final IntentFilter filter = new IntentFilter();
1334        filter.addAction(Intent.ACTION_SCREEN_OFF);
1335        filter.addAction(Intent.ACTION_USER_PRESENT);
1336        filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED);
1337        filter.addAction(Intent.ACTION_MANAGED_PROFILE_REMOVED);
1338        registerReceiver(mReceiver, filter);
1339        FirstFrameAnimatorHelper.initializeDrawListener(getWindow().getDecorView());
1340        mAttached = true;
1341        mVisible = true;
1342    }
1343
1344    @Override
1345    public void onDetachedFromWindow() {
1346        super.onDetachedFromWindow();
1347        mVisible = false;
1348
1349        if (mAttached) {
1350            unregisterReceiver(mReceiver);
1351            mAttached = false;
1352        }
1353        updateRunning();
1354    }
1355
1356    public void onWindowVisibilityChanged(int visibility) {
1357        mVisible = visibility == View.VISIBLE;
1358        updateRunning();
1359        // The following code used to be in onResume, but it turns out onResume is called when
1360        // you're in All Apps and click home to go to the workspace. onWindowVisibilityChanged
1361        // is a more appropriate event to handle
1362        if (mVisible) {
1363            mAppsCustomizeTabHost.onWindowVisible();
1364            if (!mWorkspaceLoading) {
1365                final ViewTreeObserver observer = mWorkspace.getViewTreeObserver();
1366                // We want to let Launcher draw itself at least once before we force it to build
1367                // layers on all the workspace pages, so that transitioning to Launcher from other
1368                // apps is nice and speedy.
1369                observer.addOnDrawListener(new ViewTreeObserver.OnDrawListener() {
1370                    private boolean mStarted = false;
1371                    public void onDraw() {
1372                        if (mStarted) return;
1373                        mStarted = true;
1374                        // We delay the layer building a bit in order to give
1375                        // other message processing a time to run.  In particular
1376                        // this avoids a delay in hiding the IME if it was
1377                        // currently shown, because doing that may involve
1378                        // some communication back with the app.
1379                        mWorkspace.postDelayed(mBuildLayersRunnable, 500);
1380                        final ViewTreeObserver.OnDrawListener listener = this;
1381                        mWorkspace.post(new Runnable() {
1382                                public void run() {
1383                                    if (mWorkspace != null &&
1384                                            mWorkspace.getViewTreeObserver() != null) {
1385                                        mWorkspace.getViewTreeObserver().
1386                                                removeOnDrawListener(listener);
1387                                    }
1388                                }
1389                            });
1390                        return;
1391                    }
1392                });
1393            }
1394            // When Launcher comes back to foreground, a different Activity might be responsible for
1395            // the app market intent, so refresh the icon
1396            updateAppMarketIcon();
1397            clearTypedText();
1398        }
1399    }
1400
1401    private void sendAdvanceMessage(long delay) {
1402        mHandler.removeMessages(ADVANCE_MSG);
1403        Message msg = mHandler.obtainMessage(ADVANCE_MSG);
1404        mHandler.sendMessageDelayed(msg, delay);
1405        mAutoAdvanceSentTime = System.currentTimeMillis();
1406    }
1407
1408    private void updateRunning() {
1409        boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty();
1410        if (autoAdvanceRunning != mAutoAdvanceRunning) {
1411            mAutoAdvanceRunning = autoAdvanceRunning;
1412            if (autoAdvanceRunning) {
1413                long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft;
1414                sendAdvanceMessage(delay);
1415            } else {
1416                if (!mWidgetsToAdvance.isEmpty()) {
1417                    mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval -
1418                            (System.currentTimeMillis() - mAutoAdvanceSentTime));
1419                }
1420                mHandler.removeMessages(ADVANCE_MSG);
1421                mHandler.removeMessages(0); // Remove messages sent using postDelayed()
1422            }
1423        }
1424    }
1425
1426    private final Handler mHandler = new Handler() {
1427        @Override
1428        public void handleMessage(Message msg) {
1429            if (msg.what == ADVANCE_MSG) {
1430                int i = 0;
1431                for (View key: mWidgetsToAdvance.keySet()) {
1432                    final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId);
1433                    final int delay = mAdvanceStagger * i;
1434                    if (v instanceof Advanceable) {
1435                       postDelayed(new Runnable() {
1436                           public void run() {
1437                               ((Advanceable) v).advance();
1438                           }
1439                       }, delay);
1440                    }
1441                    i++;
1442                }
1443                sendAdvanceMessage(mAdvanceInterval);
1444            }
1445        }
1446    };
1447
1448    void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) {
1449        if (appWidgetInfo == null || appWidgetInfo.autoAdvanceViewId == -1) return;
1450        View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId);
1451        if (v instanceof Advanceable) {
1452            mWidgetsToAdvance.put(hostView, appWidgetInfo);
1453            ((Advanceable) v).fyiWillBeAdvancedByHostKThx();
1454            updateRunning();
1455        }
1456    }
1457
1458    void removeWidgetToAutoAdvance(View hostView) {
1459        if (mWidgetsToAdvance.containsKey(hostView)) {
1460            mWidgetsToAdvance.remove(hostView);
1461            updateRunning();
1462        }
1463    }
1464
1465    public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) {
1466        removeWidgetToAutoAdvance(launcherInfo.hostView);
1467        launcherInfo.hostView = null;
1468    }
1469
1470    void showOutOfSpaceMessage(boolean isHotseatLayout) {
1471        int strId = (isHotseatLayout ? R.string.hotseat_out_of_space : R.string.out_of_space);
1472        Toast.makeText(this, getString(strId), Toast.LENGTH_SHORT).show();
1473    }
1474
1475    public LauncherAppWidgetHost getAppWidgetHost() {
1476        return mAppWidgetHost;
1477    }
1478
1479    public LauncherModel getModel() {
1480        return mModel;
1481    }
1482
1483    void closeSystemDialogs() {
1484        getWindow().closeAllPanels();
1485
1486        // Whatever we were doing is hereby canceled.
1487        mWaitingForResult = false;
1488    }
1489
1490    @Override
1491    protected void onNewIntent(Intent intent) {
1492        long startTime = 0;
1493        if (DEBUG_RESUME_TIME) {
1494            startTime = System.currentTimeMillis();
1495        }
1496        super.onNewIntent(intent);
1497
1498        // Close the menu
1499        if (Intent.ACTION_MAIN.equals(intent.getAction())) {
1500            // also will cancel mWaitingForResult.
1501            closeSystemDialogs();
1502
1503            final boolean alreadyOnHome =
1504                    ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT)
1505                        != Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT);
1506
1507            Runnable processIntent = new Runnable() {
1508                public void run() {
1509                    if (mWorkspace == null) {
1510                        // Can be cases where mWorkspace is null, this prevents a NPE
1511                        return;
1512                    }
1513                    Folder openFolder = mWorkspace.getOpenFolder();
1514                    // In all these cases, only animate if we're already on home
1515                    mWorkspace.exitWidgetResizeMode();
1516                    if (alreadyOnHome && mState == State.WORKSPACE && !mWorkspace.isTouchActive() &&
1517                            openFolder == null) {
1518                        mWorkspace.moveToDefaultScreen(true);
1519                    }
1520
1521                    closeFolder();
1522                    exitSpringLoadedDragMode();
1523
1524                    // If we are already on home, then just animate back to the workspace,
1525                    // otherwise, just wait until onResume to set the state back to Workspace
1526                    if (alreadyOnHome) {
1527                        showWorkspace(true);
1528                    } else {
1529                        mOnResumeState = State.WORKSPACE;
1530                    }
1531
1532                    final View v = getWindow().peekDecorView();
1533                    if (v != null && v.getWindowToken() != null) {
1534                        InputMethodManager imm = (InputMethodManager)getSystemService(
1535                                INPUT_METHOD_SERVICE);
1536                        imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
1537                    }
1538
1539                    // Reset AllApps to its initial state
1540                    if (!alreadyOnHome && mAppsCustomizeTabHost != null) {
1541                        mAppsCustomizeTabHost.reset();
1542                    }
1543                }
1544            };
1545
1546            if (alreadyOnHome && !mWorkspace.hasWindowFocus()) {
1547                // Delay processing of the intent to allow the status bar animation to finish
1548                // first in order to avoid janky animations.
1549                mWorkspace.postDelayed(processIntent, 350);
1550            } else {
1551                // Process the intent immediately.
1552                processIntent.run();
1553            }
1554
1555        }
1556        if (DEBUG_RESUME_TIME) {
1557            Log.d(TAG, "Time spent in onNewIntent: " + (System.currentTimeMillis() - startTime));
1558        }
1559    }
1560
1561    @Override
1562    public void onRestoreInstanceState(Bundle state) {
1563        super.onRestoreInstanceState(state);
1564        for (int page: mSynchronouslyBoundPages) {
1565            mWorkspace.restoreInstanceStateForChild(page);
1566        }
1567    }
1568
1569    @Override
1570    protected void onSaveInstanceState(Bundle outState) {
1571        outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getNextPage());
1572        super.onSaveInstanceState(outState);
1573
1574        outState.putInt(RUNTIME_STATE, mState.ordinal());
1575        // We close any open folder since it will not be re-opened, and we need to make sure
1576        // this state is reflected.
1577        closeFolder();
1578
1579        if (mPendingAddInfo.container != ItemInfo.NO_ID && mPendingAddInfo.screen > -1 &&
1580                mWaitingForResult) {
1581            outState.putLong(RUNTIME_STATE_PENDING_ADD_CONTAINER, mPendingAddInfo.container);
1582            outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, mPendingAddInfo.screen);
1583            outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mPendingAddInfo.cellX);
1584            outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mPendingAddInfo.cellY);
1585            outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_X, mPendingAddInfo.spanX);
1586            outState.putInt(RUNTIME_STATE_PENDING_ADD_SPAN_Y, mPendingAddInfo.spanY);
1587            outState.putParcelable(RUNTIME_STATE_PENDING_ADD_WIDGET_INFO, mPendingAddWidgetInfo);
1588            outState.putInt(RUNTIME_STATE_PENDING_ADD_WIDGET_ID, mPendingAddWidgetId);
1589        }
1590
1591        if (mFolderInfo != null && mWaitingForResult) {
1592            outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true);
1593            outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id);
1594        }
1595
1596        // Save the current AppsCustomize tab
1597        if (mAppsCustomizeTabHost != null) {
1598            String currentTabTag = mAppsCustomizeTabHost.getCurrentTabTag();
1599            if (currentTabTag != null) {
1600                outState.putString("apps_customize_currentTab", currentTabTag);
1601            }
1602            int currentIndex = mAppsCustomizeContent.getSaveInstanceStateIndex();
1603            outState.putInt("apps_customize_currentIndex", currentIndex);
1604        }
1605    }
1606
1607    @Override
1608    public void onDestroy() {
1609        super.onDestroy();
1610
1611        // Remove all pending runnables
1612        mHandler.removeMessages(ADVANCE_MSG);
1613        mHandler.removeMessages(0);
1614        mWorkspace.removeCallbacks(mBuildLayersRunnable);
1615
1616        // Stop callbacks from LauncherModel
1617        LauncherApplication app = ((LauncherApplication) getApplication());
1618        mModel.stopLoader();
1619        app.setLauncher(null);
1620
1621        try {
1622            mAppWidgetHost.stopListening();
1623        } catch (NullPointerException ex) {
1624            Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex);
1625        }
1626        mAppWidgetHost = null;
1627
1628        mWidgetsToAdvance.clear();
1629
1630        TextKeyListener.getInstance().release();
1631
1632        // Disconnect any of the callbacks and drawables associated with ItemInfos on the workspace
1633        // to prevent leaking Launcher activities on orientation change.
1634        if (mModel != null) {
1635            mModel.unbindItemInfosAndClearQueuedBindRunnables();
1636        }
1637
1638        getContentResolver().unregisterContentObserver(mWidgetObserver);
1639        unregisterReceiver(mCloseSystemDialogsReceiver);
1640
1641        mDragLayer.clearAllResizeFrames();
1642        ((ViewGroup) mWorkspace.getParent()).removeAllViews();
1643        mWorkspace.removeAllViews();
1644        mWorkspace = null;
1645        mDragController = null;
1646
1647        LauncherAnimUtils.onDestroyActivity();
1648    }
1649
1650    public DragController getDragController() {
1651        return mDragController;
1652    }
1653
1654    @Override
1655    public void startActivityForResult(Intent intent, int requestCode) {
1656        if (requestCode >= 0) mWaitingForResult = true;
1657        super.startActivityForResult(intent, requestCode);
1658    }
1659
1660    /**
1661     * Indicates that we want global search for this activity by setting the globalSearch
1662     * argument for {@link #startSearch} to true.
1663     */
1664    @Override
1665    public void startSearch(String initialQuery, boolean selectInitialQuery,
1666            Bundle appSearchData, boolean globalSearch) {
1667
1668        showWorkspace(true);
1669
1670        if (initialQuery == null) {
1671            // Use any text typed in the launcher as the initial query
1672            initialQuery = getTypedText();
1673        }
1674        if (appSearchData == null) {
1675            appSearchData = new Bundle();
1676            appSearchData.putString(Search.SOURCE, "launcher-search");
1677        }
1678        Rect sourceBounds = new Rect();
1679        if (mSearchDropTargetBar != null) {
1680            sourceBounds = mSearchDropTargetBar.getSearchBarBounds();
1681        }
1682
1683        startGlobalSearch(initialQuery, selectInitialQuery,
1684            appSearchData, sourceBounds);
1685    }
1686
1687    /**
1688     * Starts the global search activity. This code is a copied from SearchManager
1689     */
1690    public void startGlobalSearch(String initialQuery,
1691            boolean selectInitialQuery, Bundle appSearchData, Rect sourceBounds) {
1692        final SearchManager searchManager =
1693            (SearchManager) getSystemService(Context.SEARCH_SERVICE);
1694        ComponentName globalSearchActivity = searchManager.getGlobalSearchActivity();
1695        if (globalSearchActivity == null) {
1696            Log.w(TAG, "No global search activity found.");
1697            return;
1698        }
1699        Intent intent = new Intent(SearchManager.INTENT_ACTION_GLOBAL_SEARCH);
1700        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1701        intent.setComponent(globalSearchActivity);
1702        // Make sure that we have a Bundle to put source in
1703        if (appSearchData == null) {
1704            appSearchData = new Bundle();
1705        } else {
1706            appSearchData = new Bundle(appSearchData);
1707        }
1708        // Set source to package name of app that starts global search, if not set already.
1709        if (!appSearchData.containsKey("source")) {
1710            appSearchData.putString("source", getPackageName());
1711        }
1712        intent.putExtra(SearchManager.APP_DATA, appSearchData);
1713        if (!TextUtils.isEmpty(initialQuery)) {
1714            intent.putExtra(SearchManager.QUERY, initialQuery);
1715        }
1716        if (selectInitialQuery) {
1717            intent.putExtra(SearchManager.EXTRA_SELECT_QUERY, selectInitialQuery);
1718        }
1719        intent.setSourceBounds(sourceBounds);
1720        try {
1721            startActivity(intent);
1722        } catch (ActivityNotFoundException ex) {
1723            Log.e(TAG, "Global search activity not found: " + globalSearchActivity);
1724        }
1725    }
1726
1727    @Override
1728    public boolean onCreateOptionsMenu(Menu menu) {
1729        if (isWorkspaceLocked()) {
1730            return false;
1731        }
1732
1733        super.onCreateOptionsMenu(menu);
1734
1735        Intent manageApps = new Intent(Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS);
1736        manageApps.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1737                | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
1738        Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS);
1739        settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1740                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1741        String helpUrl = getString(R.string.help_url);
1742        Intent help = new Intent(Intent.ACTION_VIEW, Uri.parse(helpUrl));
1743        help.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1744                | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
1745
1746        menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper)
1747            .setIcon(android.R.drawable.ic_menu_gallery)
1748            .setAlphabeticShortcut('W');
1749        menu.add(0, MENU_MANAGE_APPS, 0, R.string.menu_manage_apps)
1750            .setIcon(android.R.drawable.ic_menu_manage)
1751            .setIntent(manageApps)
1752            .setAlphabeticShortcut('M');
1753        menu.add(0, MENU_SYSTEM_SETTINGS, 0, R.string.menu_settings)
1754            .setIcon(android.R.drawable.ic_menu_preferences)
1755            .setIntent(settings)
1756            .setAlphabeticShortcut('P');
1757        if (!helpUrl.isEmpty()) {
1758            menu.add(0, MENU_HELP, 0, R.string.menu_help)
1759                .setIcon(android.R.drawable.ic_menu_help)
1760                .setIntent(help)
1761                .setAlphabeticShortcut('H');
1762        }
1763        return true;
1764    }
1765
1766    @Override
1767    public boolean onPrepareOptionsMenu(Menu menu) {
1768        super.onPrepareOptionsMenu(menu);
1769
1770        if (mAppsCustomizeTabHost.isTransitioning()) {
1771            return false;
1772        }
1773        boolean allAppsVisible = (mAppsCustomizeTabHost.getVisibility() == View.VISIBLE);
1774        menu.setGroupVisible(MENU_GROUP_WALLPAPER, !allAppsVisible);
1775
1776        return true;
1777    }
1778
1779    @Override
1780    public boolean onOptionsItemSelected(MenuItem item) {
1781        switch (item.getItemId()) {
1782        case MENU_WALLPAPER_SETTINGS:
1783            startWallpaper();
1784            return true;
1785        }
1786
1787        return super.onOptionsItemSelected(item);
1788    }
1789
1790    @Override
1791    public boolean onSearchRequested() {
1792        startSearch(null, false, null, true);
1793        // Use a custom animation for launching search
1794        return true;
1795    }
1796
1797    public boolean isWorkspaceLocked() {
1798        return mWorkspaceLoading || mWaitingForResult;
1799    }
1800
1801    private void resetAddInfo() {
1802        mPendingAddInfo.container = ItemInfo.NO_ID;
1803        mPendingAddInfo.screen = -1;
1804        mPendingAddInfo.cellX = mPendingAddInfo.cellY = -1;
1805        mPendingAddInfo.spanX = mPendingAddInfo.spanY = -1;
1806        mPendingAddInfo.minSpanX = mPendingAddInfo.minSpanY = -1;
1807        mPendingAddInfo.dropPos = null;
1808    }
1809
1810    void addAppWidgetImpl(final int appWidgetId, ItemInfo info, AppWidgetHostView boundWidget,
1811            AppWidgetProviderInfo appWidgetInfo) {
1812        if (appWidgetInfo.configure != null) {
1813            mPendingAddWidgetInfo = appWidgetInfo;
1814            mPendingAddWidgetId = appWidgetId;
1815
1816            // Launch over to configure widget, if needed
1817            startAppWidgetConfigureActivitySafely(appWidgetId);
1818        } else {
1819            // Otherwise just add it
1820            completeAddAppWidget(appWidgetId, info.container, info.screen, boundWidget,
1821                    appWidgetInfo);
1822            // Exit spring loaded mode if necessary after adding the widget
1823            exitSpringLoadedDragModeDelayed(true, false, null);
1824        }
1825    }
1826
1827    /**
1828     * Process a shortcut drop.
1829     *
1830     * @param componentName The name of the component
1831     * @param screen The screen where it should be added
1832     * @param cell The cell it should be added to, optional
1833     * @param position The location on the screen where it was dropped, optional
1834     */
1835    void processShortcutFromDrop(ComponentName componentName, long container, int screen,
1836            int[] cell, int[] loc) {
1837        resetAddInfo();
1838        mPendingAddInfo.container = container;
1839        mPendingAddInfo.screen = screen;
1840        mPendingAddInfo.dropPos = loc;
1841
1842        if (cell != null) {
1843            mPendingAddInfo.cellX = cell[0];
1844            mPendingAddInfo.cellY = cell[1];
1845        }
1846
1847        Intent createShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT);
1848        createShortcutIntent.setComponent(componentName);
1849        processShortcut(createShortcutIntent);
1850    }
1851
1852    /**
1853     * Process a widget drop.
1854     *
1855     * @param info The PendingAppWidgetInfo of the widget being added.
1856     * @param screen The screen where it should be added
1857     * @param cell The cell it should be added to, optional
1858     * @param position The location on the screen where it was dropped, optional
1859     */
1860    void addAppWidgetFromDrop(PendingAddWidgetInfo info, long container, int screen,
1861            int[] cell, int[] span, int[] loc) {
1862        resetAddInfo();
1863        mPendingAddInfo.container = info.container = container;
1864        mPendingAddInfo.screen = info.screen = screen;
1865        mPendingAddInfo.dropPos = loc;
1866        mPendingAddInfo.minSpanX = info.minSpanX;
1867        mPendingAddInfo.minSpanY = info.minSpanY;
1868
1869        if (cell != null) {
1870            mPendingAddInfo.cellX = cell[0];
1871            mPendingAddInfo.cellY = cell[1];
1872        }
1873        if (span != null) {
1874            mPendingAddInfo.spanX = span[0];
1875            mPendingAddInfo.spanY = span[1];
1876        }
1877
1878        AppWidgetHostView hostView = info.boundWidget;
1879        int appWidgetId;
1880        if (hostView != null) {
1881            appWidgetId = hostView.getAppWidgetId();
1882            addAppWidgetImpl(appWidgetId, info, hostView, info.info);
1883        } else {
1884            // In this case, we either need to start an activity to get permission to bind
1885            // the widget, or we need to start an activity to configure the widget, or both.
1886            appWidgetId = getAppWidgetHost().allocateAppWidgetId();
1887
1888            boolean success = mAppWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId,
1889                    info.info.getProfile(), info.componentName, info.bindOptions);
1890            if (success) {
1891                addAppWidgetImpl(appWidgetId, info, null, info.info);
1892            } else {
1893                mPendingAddWidgetInfo = info.info;
1894                Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_BIND);
1895                intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
1896                intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER, info.componentName);
1897                intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER_PROFILE,
1898                        info.info.getProfile());
1899                // TODO: we need to make sure that this accounts for the options bundle.
1900                // intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_OPTIONS, options);
1901                startActivityForResult(intent, REQUEST_BIND_APPWIDGET);
1902            }
1903        }
1904    }
1905
1906    void processShortcut(Intent intent) {
1907        // Handle case where user selected "Applications"
1908        String applicationName = getResources().getString(R.string.group_applications);
1909        String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
1910
1911        if (applicationName != null && applicationName.equals(shortcutName)) {
1912            Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
1913            mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
1914
1915            Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY);
1916            pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent);
1917            pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_application));
1918            startActivityForResultSafely(pickIntent, REQUEST_PICK_APPLICATION);
1919        } else {
1920            startActivityForResultSafely(intent, REQUEST_CREATE_SHORTCUT);
1921        }
1922    }
1923
1924    void processWallpaper(Intent intent) {
1925        startActivityForResult(intent, REQUEST_PICK_WALLPAPER);
1926    }
1927
1928    FolderIcon addFolder(CellLayout layout, long container, final int screen, int cellX,
1929            int cellY) {
1930        final FolderInfo folderInfo = new FolderInfo();
1931        folderInfo.title = getText(R.string.folder_name);
1932
1933        // Update the model
1934        LauncherModel.addItemToDatabase(Launcher.this, folderInfo, container, screen, cellX, cellY,
1935                false);
1936        sFolders.put(folderInfo.id, folderInfo);
1937
1938        // Create the view
1939        FolderIcon newFolder =
1940            FolderIcon.fromXml(R.layout.folder_icon, this, layout, folderInfo, mIconCache);
1941        mWorkspace.addInScreen(newFolder, container, screen, cellX, cellY, 1, 1,
1942                isWorkspaceLocked());
1943        return newFolder;
1944    }
1945
1946    void removeFolder(FolderInfo folder) {
1947        sFolders.remove(folder.id);
1948    }
1949
1950    private void startWallpaper() {
1951        showWorkspace(true);
1952        final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER);
1953        Intent chooser = Intent.createChooser(pickWallpaper,
1954                getText(R.string.chooser_wallpaper));
1955        // NOTE: Adds a configure option to the chooser if the wallpaper supports it
1956        //       Removed in Eclair MR1
1957//        WallpaperManager wm = (WallpaperManager)
1958//                getSystemService(Context.WALLPAPER_SERVICE);
1959//        WallpaperInfo wi = wm.getWallpaperInfo();
1960//        if (wi != null && wi.getSettingsActivity() != null) {
1961//            LabeledIntent li = new LabeledIntent(getPackageName(),
1962//                    R.string.configure_wallpaper, 0);
1963//            li.setClassName(wi.getPackageName(), wi.getSettingsActivity());
1964//            chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li });
1965//        }
1966        startActivityForResult(chooser, REQUEST_PICK_WALLPAPER);
1967    }
1968
1969    /**
1970     * Registers various content observers. The current implementation registers
1971     * only a favorites observer to keep track of the favorites applications.
1972     */
1973    private void registerContentObservers() {
1974        ContentResolver resolver = getContentResolver();
1975        resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI,
1976                true, mWidgetObserver);
1977    }
1978
1979    @Override
1980    public boolean dispatchKeyEvent(KeyEvent event) {
1981        if (event.getAction() == KeyEvent.ACTION_DOWN) {
1982            switch (event.getKeyCode()) {
1983                case KeyEvent.KEYCODE_HOME:
1984                    return true;
1985                case KeyEvent.KEYCODE_VOLUME_DOWN:
1986                    if (isPropertyEnabled(DUMP_STATE_PROPERTY)) {
1987                        dumpState();
1988                        return true;
1989                    }
1990                    break;
1991            }
1992        } else if (event.getAction() == KeyEvent.ACTION_UP) {
1993            switch (event.getKeyCode()) {
1994                case KeyEvent.KEYCODE_HOME:
1995                    return true;
1996            }
1997        }
1998
1999        return super.dispatchKeyEvent(event);
2000    }
2001
2002    @Override
2003    public void onBackPressed() {
2004        if (isAllAppsVisible()) {
2005            showWorkspace(true);
2006        } else if (mWorkspace.getOpenFolder() != null) {
2007            Folder openFolder = mWorkspace.getOpenFolder();
2008            if (openFolder.isEditingName()) {
2009                openFolder.dismissEditingName();
2010            } else {
2011                closeFolder();
2012            }
2013        } else {
2014            mWorkspace.exitWidgetResizeMode();
2015
2016            // Back button is a no-op here, but give at least some feedback for the button press
2017            mWorkspace.showOutlinesTemporarily();
2018        }
2019    }
2020
2021    /**
2022     * Re-listen when widgets are reset.
2023     */
2024    private void onAppWidgetReset() {
2025        if (mAppWidgetHost != null) {
2026            mAppWidgetHost.startListening();
2027        }
2028    }
2029
2030    /**
2031     * Launches the intent referred by the clicked shortcut.
2032     *
2033     * @param v The view representing the clicked shortcut.
2034     */
2035    public void onClick(View v) {
2036        // Make sure that rogue clicks don't get through while allapps is launching, or after the
2037        // view has detached (it's possible for this to happen if the view is removed mid touch).
2038        if (v.getWindowToken() == null) {
2039            return;
2040        }
2041
2042        if (!mWorkspace.isFinishedSwitchingState()) {
2043            return;
2044        }
2045
2046        Object tag = v.getTag();
2047        if (tag instanceof ShortcutInfo) {
2048            // Open shortcut
2049            final Intent intent = ((ShortcutInfo) tag).intent;
2050            int[] pos = new int[2];
2051            v.getLocationOnScreen(pos);
2052            intent.setSourceBounds(new Rect(pos[0], pos[1],
2053                    pos[0] + v.getWidth(), pos[1] + v.getHeight()));
2054
2055            boolean success = startActivitySafely(v, intent, tag);
2056
2057            if (success && v instanceof BubbleTextView) {
2058                mWaitingForResume = (BubbleTextView) v;
2059                mWaitingForResume.setStayPressed(true);
2060            }
2061        } else if (tag instanceof FolderInfo) {
2062            if (v instanceof FolderIcon) {
2063                FolderIcon fi = (FolderIcon) v;
2064                handleFolderClick(fi);
2065            }
2066        } else if (v == mAllAppsButton) {
2067            if (isAllAppsVisible()) {
2068                showWorkspace(true);
2069            } else {
2070                onClickAllAppsButton(v);
2071            }
2072        }
2073    }
2074
2075    public boolean onTouch(View v, MotionEvent event) {
2076        // this is an intercepted event being forwarded from mWorkspace;
2077        // clicking anywhere on the workspace causes the customization drawer to slide down
2078        showWorkspace(true);
2079        return false;
2080    }
2081
2082    /**
2083     * Event handler for the search button
2084     *
2085     * @param v The view that was clicked.
2086     */
2087    public void onClickSearchButton(View v) {
2088        v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
2089
2090        onSearchRequested();
2091    }
2092
2093    /**
2094     * Event handler for the voice button
2095     *
2096     * @param v The view that was clicked.
2097     */
2098    public void onClickVoiceButton(View v) {
2099        v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
2100
2101        try {
2102            final SearchManager searchManager =
2103                    (SearchManager) getSystemService(Context.SEARCH_SERVICE);
2104            ComponentName activityName = searchManager.getGlobalSearchActivity();
2105            Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2106            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2107            if (activityName != null) {
2108                intent.setPackage(activityName.getPackageName());
2109            }
2110            startActivity(null, intent, "onClickVoiceButton");
2111        } catch (ActivityNotFoundException e) {
2112            Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2113            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2114            startActivitySafely(null, intent, "onClickVoiceButton");
2115        }
2116    }
2117
2118    /**
2119     * Event handler for the "grid" button that appears on the home screen, which
2120     * enters all apps mode.
2121     *
2122     * @param v The view that was clicked.
2123     */
2124    public void onClickAllAppsButton(View v) {
2125        showAllApps(true);
2126    }
2127
2128    public void onTouchDownAllAppsButton(View v) {
2129        // Provide the same haptic feedback that the system offers for virtual keys.
2130        v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
2131    }
2132
2133    public void onClickAppMarketButton(View v) {
2134        if (mAppMarketIntent != null) {
2135            startActivitySafely(v, mAppMarketIntent, "app market");
2136        } else {
2137            Log.e(TAG, "Invalid app market intent.");
2138        }
2139    }
2140
2141    void startApplicationDetailsActivity(ComponentName componentName, UserHandle user) {
2142        LauncherApps launcherApps = (LauncherApps) getSystemService(Context.LAUNCHER_APPS_SERVICE);
2143        try {
2144            launcherApps.startAppDetailsActivity(componentName, user, null, null);
2145        } catch (SecurityException e) {
2146            Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
2147            Log.e(TAG, "Launcher does not have permission to launch settings");
2148        } catch (ActivityNotFoundException e) {
2149            Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
2150            Log.e(TAG, "Unable to launch settings");
2151        }
2152    }
2153
2154    void startApplicationUninstallActivity(ApplicationInfo appInfo, UserHandle user) {
2155        if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) {
2156            // System applications cannot be installed. For now, show a toast explaining that.
2157            // We may give them the option of disabling apps this way.
2158            int messageId = R.string.uninstall_system_app_text;
2159            Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show();
2160        } else {
2161            String packageName = appInfo.componentName.getPackageName();
2162            String className = appInfo.componentName.getClassName();
2163            Intent intent = new Intent(
2164                    Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className));
2165            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
2166                    Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
2167            if (user != null) {
2168                intent.putExtra(Intent.EXTRA_USER, user);
2169            }
2170            startActivity(intent);
2171        }
2172    }
2173
2174    boolean startActivity(View v, Intent intent, Object tag) {
2175        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2176
2177        try {
2178            // Only launch using the new animation if the shortcut has not opted out (this is a
2179            // private contract between launcher and may be ignored in the future).
2180            boolean useLaunchAnimation = (v != null) &&
2181                    !intent.hasExtra(INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION);
2182            UserHandle user = (UserHandle) intent.getParcelableExtra(ApplicationInfo.EXTRA_PROFILE);
2183            LauncherApps launcherApps = (LauncherApps)
2184                    this.getSystemService(Context.LAUNCHER_APPS_SERVICE);
2185            if (useLaunchAnimation) {
2186                ActivityOptions opts = ActivityOptions.makeScaleUpAnimation(v, 0, 0,
2187                        v.getMeasuredWidth(), v.getMeasuredHeight());
2188                if (user == null || user.equals(android.os.Process.myUserHandle())) {
2189                    // Could be launching some bookkeeping activity
2190                    startActivity(intent, opts.toBundle());
2191                } else {
2192                    launcherApps.startMainActivity(intent.getComponent(), user,
2193                            intent.getSourceBounds(),
2194                            opts.toBundle());
2195                }
2196            } else {
2197                if (user == null || user.equals(android.os.Process.myUserHandle())) {
2198                    startActivity(intent);
2199                } else {
2200                    launcherApps.startMainActivity(intent.getComponent(), user,
2201                            intent.getSourceBounds(), null);
2202                }
2203            }
2204            return true;
2205        } catch (SecurityException e) {
2206            Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
2207            Log.e(TAG, "Launcher does not have the permission to launch " + intent +
2208                    ". Make sure to create a MAIN intent-filter for the corresponding activity " +
2209                    "or use the exported attribute for this activity. "
2210                    + "tag="+ tag + " intent=" + intent, e);
2211        }
2212        return false;
2213    }
2214
2215    boolean startActivitySafely(View v, Intent intent, Object tag) {
2216        boolean success = false;
2217        try {
2218            success = startActivity(v, intent, tag);
2219        } catch (ActivityNotFoundException e) {
2220            Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
2221            Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e);
2222        }
2223        return success;
2224    }
2225
2226    void startAppWidgetConfigureActivitySafely(int appWidgetId) {
2227        try {
2228            mAppWidgetHost.startAppWidgetConfigureActivityForResult(this, appWidgetId, 0,
2229                    REQUEST_CREATE_APPWIDGET, null);
2230        } catch (ActivityNotFoundException e) {
2231            Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
2232        }
2233    }
2234
2235    void startActivityForResultSafely(Intent intent, int requestCode) {
2236        try {
2237            startActivityForResult(intent, requestCode);
2238        } catch (ActivityNotFoundException e) {
2239            Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
2240        } catch (SecurityException e) {
2241            Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
2242            Log.e(TAG, "Launcher does not have the permission to launch " + intent +
2243                    ". Make sure to create a MAIN intent-filter for the corresponding activity " +
2244                    "or use the exported attribute for this activity.", e);
2245        }
2246    }
2247
2248    private void handleFolderClick(FolderIcon folderIcon) {
2249        final FolderInfo info = folderIcon.getFolderInfo();
2250        Folder openFolder = mWorkspace.getFolderForTag(info);
2251
2252        // If the folder info reports that the associated folder is open, then verify that
2253        // it is actually opened. There have been a few instances where this gets out of sync.
2254        if (info.opened && openFolder == null) {
2255            Log.d(TAG, "Folder info marked as open, but associated folder is not open. Screen: "
2256                    + info.screen + " (" + info.cellX + ", " + info.cellY + ")");
2257            info.opened = false;
2258        }
2259
2260        if (!info.opened && !folderIcon.getFolder().isDestroyed()) {
2261            // Close any open folder
2262            closeFolder();
2263            // Open the requested folder
2264            openFolder(folderIcon);
2265        } else {
2266            // Find the open folder...
2267            int folderScreen;
2268            if (openFolder != null) {
2269                folderScreen = mWorkspace.getPageForView(openFolder);
2270                // .. and close it
2271                closeFolder(openFolder);
2272                if (folderScreen != mWorkspace.getCurrentPage()) {
2273                    // Close any folder open on the current screen
2274                    closeFolder();
2275                    // Pull the folder onto this screen
2276                    openFolder(folderIcon);
2277                }
2278            }
2279        }
2280    }
2281
2282    /**
2283     * This method draws the FolderIcon to an ImageView and then adds and positions that ImageView
2284     * in the DragLayer in the exact absolute location of the original FolderIcon.
2285     */
2286    private void copyFolderIconToImage(FolderIcon fi) {
2287        final int width = fi.getMeasuredWidth();
2288        final int height = fi.getMeasuredHeight();
2289
2290        // Lazy load ImageView, Bitmap and Canvas
2291        if (mFolderIconImageView == null) {
2292            mFolderIconImageView = new ImageView(this);
2293        }
2294        if (mFolderIconBitmap == null || mFolderIconBitmap.getWidth() != width ||
2295                mFolderIconBitmap.getHeight() != height) {
2296            mFolderIconBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
2297            mFolderIconCanvas = new Canvas(mFolderIconBitmap);
2298        }
2299
2300        DragLayer.LayoutParams lp;
2301        if (mFolderIconImageView.getLayoutParams() instanceof DragLayer.LayoutParams) {
2302            lp = (DragLayer.LayoutParams) mFolderIconImageView.getLayoutParams();
2303        } else {
2304            lp = new DragLayer.LayoutParams(width, height);
2305        }
2306
2307        // The layout from which the folder is being opened may be scaled, adjust the starting
2308        // view size by this scale factor.
2309        float scale = mDragLayer.getDescendantRectRelativeToSelf(fi, mRectForFolderAnimation);
2310        lp.customPosition = true;
2311        lp.x = mRectForFolderAnimation.left;
2312        lp.y = mRectForFolderAnimation.top;
2313        lp.width = (int) (scale * width);
2314        lp.height = (int) (scale * height);
2315
2316        mFolderIconCanvas.drawColor(0, PorterDuff.Mode.CLEAR);
2317        fi.draw(mFolderIconCanvas);
2318        mFolderIconImageView.setImageBitmap(mFolderIconBitmap);
2319        if (fi.getFolder() != null) {
2320            mFolderIconImageView.setPivotX(fi.getFolder().getPivotXForIconAnimation());
2321            mFolderIconImageView.setPivotY(fi.getFolder().getPivotYForIconAnimation());
2322        }
2323        // Just in case this image view is still in the drag layer from a previous animation,
2324        // we remove it and re-add it.
2325        if (mDragLayer.indexOfChild(mFolderIconImageView) != -1) {
2326            mDragLayer.removeView(mFolderIconImageView);
2327        }
2328        mDragLayer.addView(mFolderIconImageView, lp);
2329        if (fi.getFolder() != null) {
2330            fi.getFolder().bringToFront();
2331        }
2332    }
2333
2334    private void growAndFadeOutFolderIcon(FolderIcon fi) {
2335        if (fi == null) return;
2336        PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0);
2337        PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.5f);
2338        PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.5f);
2339
2340        FolderInfo info = (FolderInfo) fi.getTag();
2341        if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
2342            CellLayout cl = (CellLayout) fi.getParent().getParent();
2343            CellLayout.LayoutParams lp = (CellLayout.LayoutParams) fi.getLayoutParams();
2344            cl.setFolderLeaveBehindCell(lp.cellX, lp.cellY);
2345        }
2346
2347        // Push an ImageView copy of the FolderIcon into the DragLayer and hide the original
2348        copyFolderIconToImage(fi);
2349        fi.setVisibility(View.INVISIBLE);
2350
2351        ObjectAnimator oa = LauncherAnimUtils.ofPropertyValuesHolder(mFolderIconImageView, alpha,
2352                scaleX, scaleY);
2353        oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration));
2354        oa.start();
2355    }
2356
2357    private void shrinkAndFadeInFolderIcon(final FolderIcon fi) {
2358        if (fi == null) return;
2359        PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1.0f);
2360        PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f);
2361        PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f);
2362
2363        final CellLayout cl = (CellLayout) fi.getParent().getParent();
2364
2365        // We remove and re-draw the FolderIcon in-case it has changed
2366        mDragLayer.removeView(mFolderIconImageView);
2367        copyFolderIconToImage(fi);
2368        ObjectAnimator oa = LauncherAnimUtils.ofPropertyValuesHolder(mFolderIconImageView, alpha,
2369                scaleX, scaleY);
2370        oa.setDuration(getResources().getInteger(R.integer.config_folderAnimDuration));
2371        oa.addListener(new AnimatorListenerAdapter() {
2372            @Override
2373            public void onAnimationEnd(Animator animation) {
2374                if (cl != null) {
2375                    cl.clearFolderLeaveBehind();
2376                    // Remove the ImageView copy of the FolderIcon and make the original visible.
2377                    mDragLayer.removeView(mFolderIconImageView);
2378                    fi.setVisibility(View.VISIBLE);
2379                }
2380            }
2381        });
2382        oa.start();
2383    }
2384
2385    /**
2386     * Opens the user folder described by the specified tag. The opening of the folder
2387     * is animated relative to the specified View. If the View is null, no animation
2388     * is played.
2389     *
2390     * @param folderInfo The FolderInfo describing the folder to open.
2391     */
2392    public void openFolder(FolderIcon folderIcon) {
2393        Folder folder = folderIcon.getFolder();
2394        FolderInfo info = folder.mInfo;
2395
2396        info.opened = true;
2397
2398        // Just verify that the folder hasn't already been added to the DragLayer.
2399        // There was a one-off crash where the folder had a parent already.
2400        if (folder.getParent() == null) {
2401            mDragLayer.addView(folder);
2402            mDragController.addDropTarget((DropTarget) folder);
2403        } else {
2404            Log.w(TAG, "Opening folder (" + folder + ") which already has a parent (" +
2405                    folder.getParent() + ").");
2406        }
2407        folder.animateOpen();
2408        growAndFadeOutFolderIcon(folderIcon);
2409
2410        // Notify the accessibility manager that this folder "window" has appeared and occluded
2411        // the workspace items
2412        folder.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
2413        getDragLayer().sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
2414    }
2415
2416    public void closeFolder() {
2417        Folder folder = mWorkspace.getOpenFolder();
2418        if (folder != null) {
2419            if (folder.isEditingName()) {
2420                folder.dismissEditingName();
2421            }
2422            closeFolder(folder);
2423
2424            // Dismiss the folder cling
2425            dismissFolderCling(null);
2426        }
2427    }
2428
2429    void closeFolder(Folder folder) {
2430        folder.getInfo().opened = false;
2431
2432        ViewGroup parent = (ViewGroup) folder.getParent().getParent();
2433        if (parent != null) {
2434            FolderIcon fi = (FolderIcon) mWorkspace.getViewForTag(folder.mInfo);
2435            shrinkAndFadeInFolderIcon(fi);
2436        }
2437        folder.animateClosed();
2438
2439        // Notify the accessibility manager that this folder "window" has disappeard and no
2440        // longer occludeds the workspace items
2441        getDragLayer().sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
2442    }
2443
2444    public boolean onLongClick(View v) {
2445        if (!isDraggingEnabled()) return false;
2446        if (isWorkspaceLocked()) return false;
2447        if (mState != State.WORKSPACE) return false;
2448
2449        if (!(v instanceof CellLayout)) {
2450            v = (View) v.getParent().getParent();
2451        }
2452
2453        resetAddInfo();
2454        CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag();
2455        // This happens when long clicking an item with the dpad/trackball
2456        if (longClickCellInfo == null) {
2457            return true;
2458        }
2459
2460        // The hotseat touch handling does not go through Workspace, and we always allow long press
2461        // on hotseat items.
2462        final View itemUnderLongClick = longClickCellInfo.cell;
2463        boolean allowLongPress = isHotseatLayout(v) || mWorkspace.allowLongPress();
2464        if (allowLongPress && !mDragController.isDragging()) {
2465            if (itemUnderLongClick == null) {
2466                // User long pressed on empty space
2467                mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS,
2468                        HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
2469                startWallpaper();
2470            } else {
2471                if (!(itemUnderLongClick instanceof Folder)) {
2472                    // User long pressed on an item
2473                    mWorkspace.startDrag(longClickCellInfo);
2474                }
2475            }
2476        }
2477        return true;
2478    }
2479
2480    boolean isHotseatLayout(View layout) {
2481        return mHotseat != null && layout != null &&
2482                (layout instanceof CellLayout) && (layout == mHotseat.getLayout());
2483    }
2484    Hotseat getHotseat() {
2485        return mHotseat;
2486    }
2487    SearchDropTargetBar getSearchBar() {
2488        return mSearchDropTargetBar;
2489    }
2490
2491    /**
2492     * Returns the CellLayout of the specified container at the specified screen.
2493     */
2494    CellLayout getCellLayout(long container, int screen) {
2495        if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
2496            if (mHotseat != null) {
2497                return mHotseat.getLayout();
2498            } else {
2499                return null;
2500            }
2501        } else {
2502            return (CellLayout) mWorkspace.getChildAt(screen);
2503        }
2504    }
2505
2506    Workspace getWorkspace() {
2507        return mWorkspace;
2508    }
2509
2510    // Now a part of LauncherModel.Callbacks. Used to reorder loading steps.
2511    @Override
2512    public boolean isAllAppsVisible() {
2513        return (mState == State.APPS_CUSTOMIZE) || (mOnResumeState == State.APPS_CUSTOMIZE);
2514    }
2515
2516    @Override
2517    public boolean isAllAppsButtonRank(int rank) {
2518        return mHotseat.isAllAppsButtonRank(rank);
2519    }
2520
2521    /**
2522     * Helper method for the cameraZoomIn/cameraZoomOut animations
2523     * @param view The view being animated
2524     * @param scaleFactor The scale factor used for the zoom
2525     */
2526    private void setPivotsForZoom(View view, float scaleFactor) {
2527        view.setPivotX(view.getWidth() / 2.0f);
2528        view.setPivotY(view.getHeight() / 2.0f);
2529    }
2530
2531    void disableWallpaperIfInAllApps() {
2532        // Only disable it if we are in all apps
2533        if (isAllAppsVisible()) {
2534            if (mAppsCustomizeTabHost != null &&
2535                    !mAppsCustomizeTabHost.isTransitioning()) {
2536                updateWallpaperVisibility(false);
2537            }
2538        }
2539    }
2540
2541    private void setWorkspaceBackground(boolean workspace) {
2542        mLauncherView.setBackground(workspace ?
2543                mWorkspaceBackgroundDrawable : null);
2544    }
2545
2546    void updateWallpaperVisibility(boolean visible) {
2547        int wpflags = visible ? WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER : 0;
2548        int curflags = getWindow().getAttributes().flags
2549                & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2550        if (wpflags != curflags) {
2551            getWindow().setFlags(wpflags, WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER);
2552        }
2553        setWorkspaceBackground(visible);
2554    }
2555
2556    private void dispatchOnLauncherTransitionPrepare(View v, boolean animated, boolean toWorkspace) {
2557        if (v instanceof LauncherTransitionable) {
2558            ((LauncherTransitionable) v).onLauncherTransitionPrepare(this, animated, toWorkspace);
2559        }
2560    }
2561
2562    private void dispatchOnLauncherTransitionStart(View v, boolean animated, boolean toWorkspace) {
2563        if (v instanceof LauncherTransitionable) {
2564            ((LauncherTransitionable) v).onLauncherTransitionStart(this, animated, toWorkspace);
2565        }
2566
2567        // Update the workspace transition step as well
2568        dispatchOnLauncherTransitionStep(v, 0f);
2569    }
2570
2571    private void dispatchOnLauncherTransitionStep(View v, float t) {
2572        if (v instanceof LauncherTransitionable) {
2573            ((LauncherTransitionable) v).onLauncherTransitionStep(this, t);
2574        }
2575    }
2576
2577    private void dispatchOnLauncherTransitionEnd(View v, boolean animated, boolean toWorkspace) {
2578        if (v instanceof LauncherTransitionable) {
2579            ((LauncherTransitionable) v).onLauncherTransitionEnd(this, animated, toWorkspace);
2580        }
2581
2582        // Update the workspace transition step as well
2583        dispatchOnLauncherTransitionStep(v, 1f);
2584    }
2585
2586    /**
2587     * Things to test when changing the following seven functions.
2588     *   - Home from workspace
2589     *          - from center screen
2590     *          - from other screens
2591     *   - Home from all apps
2592     *          - from center screen
2593     *          - from other screens
2594     *   - Back from all apps
2595     *          - from center screen
2596     *          - from other screens
2597     *   - Launch app from workspace and quit
2598     *          - with back
2599     *          - with home
2600     *   - Launch app from all apps and quit
2601     *          - with back
2602     *          - with home
2603     *   - Go to a screen that's not the default, then all
2604     *     apps, and launch and app, and go back
2605     *          - with back
2606     *          -with home
2607     *   - On workspace, long press power and go back
2608     *          - with back
2609     *          - with home
2610     *   - On all apps, long press power and go back
2611     *          - with back
2612     *          - with home
2613     *   - On workspace, power off
2614     *   - On all apps, power off
2615     *   - Launch an app and turn off the screen while in that app
2616     *          - Go back with home key
2617     *          - Go back with back key  TODO: make this not go to workspace
2618     *          - From all apps
2619     *          - From workspace
2620     *   - Enter and exit car mode (becuase it causes an extra configuration changed)
2621     *          - From all apps
2622     *          - From the center workspace
2623     *          - From another workspace
2624     */
2625
2626    /**
2627     * Zoom the camera out from the workspace to reveal 'toView'.
2628     * Assumes that the view to show is anchored at either the very top or very bottom
2629     * of the screen.
2630     */
2631    private void showAppsCustomizeHelper(final boolean animated, final boolean springLoaded) {
2632        if (mStateAnimation != null) {
2633            mStateAnimation.setDuration(0);
2634            mStateAnimation.cancel();
2635            mStateAnimation = null;
2636        }
2637        final Resources res = getResources();
2638
2639        final int duration = res.getInteger(R.integer.config_appsCustomizeZoomInTime);
2640        final int fadeDuration = res.getInteger(R.integer.config_appsCustomizeFadeInTime);
2641        final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor);
2642        final View fromView = mWorkspace;
2643        final AppsCustomizeTabHost toView = mAppsCustomizeTabHost;
2644        final int startDelay =
2645                res.getInteger(R.integer.config_workspaceAppsCustomizeAnimationStagger);
2646
2647        setPivotsForZoom(toView, scale);
2648
2649        // Shrink workspaces away if going to AppsCustomize from workspace
2650        Animator workspaceAnim =
2651                mWorkspace.getChangeStateAnimation(Workspace.State.SMALL, animated);
2652
2653        if (animated) {
2654            toView.setScaleX(scale);
2655            toView.setScaleY(scale);
2656            final LauncherViewPropertyAnimator scaleAnim = new LauncherViewPropertyAnimator(toView);
2657            scaleAnim.
2658                scaleX(1f).scaleY(1f).
2659                setDuration(duration).
2660                setInterpolator(new Workspace.ZoomOutInterpolator());
2661
2662            toView.setVisibility(View.VISIBLE);
2663            toView.setAlpha(0f);
2664            final ObjectAnimator alphaAnim = LauncherAnimUtils
2665                .ofFloat(toView, "alpha", 0f, 1f)
2666                .setDuration(fadeDuration);
2667            alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f));
2668            alphaAnim.addUpdateListener(new AnimatorUpdateListener() {
2669                @Override
2670                public void onAnimationUpdate(ValueAnimator animation) {
2671                    if (animation == null) {
2672                        throw new RuntimeException("animation is null");
2673                    }
2674                    float t = (Float) animation.getAnimatedValue();
2675                    dispatchOnLauncherTransitionStep(fromView, t);
2676                    dispatchOnLauncherTransitionStep(toView, t);
2677                }
2678            });
2679
2680            // toView should appear right at the end of the workspace shrink
2681            // animation
2682            mStateAnimation = LauncherAnimUtils.createAnimatorSet();
2683            mStateAnimation.play(scaleAnim).after(startDelay);
2684            mStateAnimation.play(alphaAnim).after(startDelay);
2685
2686            mStateAnimation.addListener(new AnimatorListenerAdapter() {
2687                boolean animationCancelled = false;
2688
2689                @Override
2690                public void onAnimationStart(Animator animation) {
2691                    updateWallpaperVisibility(true);
2692                    // Prepare the position
2693                    toView.setTranslationX(0.0f);
2694                    toView.setTranslationY(0.0f);
2695                    toView.setVisibility(View.VISIBLE);
2696                    toView.bringToFront();
2697                }
2698                @Override
2699                public void onAnimationEnd(Animator animation) {
2700                    dispatchOnLauncherTransitionEnd(fromView, animated, false);
2701                    dispatchOnLauncherTransitionEnd(toView, animated, false);
2702
2703                    if (mWorkspace != null && !springLoaded && !LauncherApplication.isScreenLarge()) {
2704                        // Hide the workspace scrollbar
2705                        mWorkspace.hideScrollingIndicator(true);
2706                        hideDockDivider();
2707                    }
2708                    if (!animationCancelled) {
2709                        updateWallpaperVisibility(false);
2710                    }
2711
2712                    // Hide the search bar
2713                    if (mSearchDropTargetBar != null) {
2714                        mSearchDropTargetBar.hideSearchBar(false);
2715                    }
2716                }
2717
2718                @Override
2719                public void onAnimationCancel(Animator animation) {
2720                    animationCancelled = true;
2721                }
2722            });
2723
2724            if (workspaceAnim != null) {
2725                mStateAnimation.play(workspaceAnim);
2726            }
2727
2728            boolean delayAnim = false;
2729
2730            dispatchOnLauncherTransitionPrepare(fromView, animated, false);
2731            dispatchOnLauncherTransitionPrepare(toView, animated, false);
2732
2733            // If any of the objects being animated haven't been measured/laid out
2734            // yet, delay the animation until we get a layout pass
2735            if ((((LauncherTransitionable) toView).getContent().getMeasuredWidth() == 0) ||
2736                    (mWorkspace.getMeasuredWidth() == 0) ||
2737                    (toView.getMeasuredWidth() == 0)) {
2738                delayAnim = true;
2739            }
2740
2741            final AnimatorSet stateAnimation = mStateAnimation;
2742            final Runnable startAnimRunnable = new Runnable() {
2743                public void run() {
2744                    // Check that mStateAnimation hasn't changed while
2745                    // we waited for a layout/draw pass
2746                    if (mStateAnimation != stateAnimation)
2747                        return;
2748                    setPivotsForZoom(toView, scale);
2749                    dispatchOnLauncherTransitionStart(fromView, animated, false);
2750                    dispatchOnLauncherTransitionStart(toView, animated, false);
2751                    LauncherAnimUtils.startAnimationAfterNextDraw(mStateAnimation, toView);
2752                }
2753            };
2754            if (delayAnim) {
2755                final ViewTreeObserver observer = toView.getViewTreeObserver();
2756                observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
2757                        public void onGlobalLayout() {
2758                            startAnimRunnable.run();
2759                            toView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
2760                        }
2761                    });
2762            } else {
2763                startAnimRunnable.run();
2764            }
2765        } else {
2766            toView.setTranslationX(0.0f);
2767            toView.setTranslationY(0.0f);
2768            toView.setScaleX(1.0f);
2769            toView.setScaleY(1.0f);
2770            toView.setVisibility(View.VISIBLE);
2771            toView.bringToFront();
2772
2773            if (!springLoaded && !LauncherApplication.isScreenLarge()) {
2774                // Hide the workspace scrollbar
2775                mWorkspace.hideScrollingIndicator(true);
2776                hideDockDivider();
2777
2778                // Hide the search bar
2779                if (mSearchDropTargetBar != null) {
2780                    mSearchDropTargetBar.hideSearchBar(false);
2781                }
2782            }
2783            dispatchOnLauncherTransitionPrepare(fromView, animated, false);
2784            dispatchOnLauncherTransitionStart(fromView, animated, false);
2785            dispatchOnLauncherTransitionEnd(fromView, animated, false);
2786            dispatchOnLauncherTransitionPrepare(toView, animated, false);
2787            dispatchOnLauncherTransitionStart(toView, animated, false);
2788            dispatchOnLauncherTransitionEnd(toView, animated, false);
2789            updateWallpaperVisibility(false);
2790        }
2791    }
2792
2793    /**
2794     * Zoom the camera back into the workspace, hiding 'fromView'.
2795     * This is the opposite of showAppsCustomizeHelper.
2796     * @param animated If true, the transition will be animated.
2797     */
2798    private void hideAppsCustomizeHelper(State toState, final boolean animated,
2799            final boolean springLoaded, final Runnable onCompleteRunnable) {
2800
2801        if (mStateAnimation != null) {
2802            mStateAnimation.setDuration(0);
2803            mStateAnimation.cancel();
2804            mStateAnimation = null;
2805        }
2806        Resources res = getResources();
2807
2808        final int duration = res.getInteger(R.integer.config_appsCustomizeZoomOutTime);
2809        final int fadeOutDuration =
2810                res.getInteger(R.integer.config_appsCustomizeFadeOutTime);
2811        final float scaleFactor = (float)
2812                res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor);
2813        final View fromView = mAppsCustomizeTabHost;
2814        final View toView = mWorkspace;
2815        Animator workspaceAnim = null;
2816
2817        if (toState == State.WORKSPACE) {
2818            int stagger = res.getInteger(R.integer.config_appsCustomizeWorkspaceAnimationStagger);
2819            workspaceAnim = mWorkspace.getChangeStateAnimation(
2820                    Workspace.State.NORMAL, animated, stagger);
2821        } else if (toState == State.APPS_CUSTOMIZE_SPRING_LOADED) {
2822            workspaceAnim = mWorkspace.getChangeStateAnimation(
2823                    Workspace.State.SPRING_LOADED, animated);
2824        }
2825
2826        setPivotsForZoom(fromView, scaleFactor);
2827        updateWallpaperVisibility(true);
2828        showHotseat(animated);
2829        if (animated) {
2830            final LauncherViewPropertyAnimator scaleAnim =
2831                    new LauncherViewPropertyAnimator(fromView);
2832            scaleAnim.
2833                scaleX(scaleFactor).scaleY(scaleFactor).
2834                setDuration(duration).
2835                setInterpolator(new Workspace.ZoomInInterpolator());
2836
2837            final ObjectAnimator alphaAnim = LauncherAnimUtils
2838                .ofFloat(fromView, "alpha", 1f, 0f)
2839                .setDuration(fadeOutDuration);
2840            alphaAnim.setInterpolator(new AccelerateDecelerateInterpolator());
2841            alphaAnim.addUpdateListener(new AnimatorUpdateListener() {
2842                @Override
2843                public void onAnimationUpdate(ValueAnimator animation) {
2844                    float t = 1f - (Float) animation.getAnimatedValue();
2845                    dispatchOnLauncherTransitionStep(fromView, t);
2846                    dispatchOnLauncherTransitionStep(toView, t);
2847                }
2848            });
2849
2850            mStateAnimation = LauncherAnimUtils.createAnimatorSet();
2851
2852            dispatchOnLauncherTransitionPrepare(fromView, animated, true);
2853            dispatchOnLauncherTransitionPrepare(toView, animated, true);
2854            mAppsCustomizeContent.pauseScrolling();
2855
2856            mStateAnimation.addListener(new AnimatorListenerAdapter() {
2857                @Override
2858                public void onAnimationEnd(Animator animation) {
2859                    updateWallpaperVisibility(true);
2860                    fromView.setVisibility(View.GONE);
2861                    dispatchOnLauncherTransitionEnd(fromView, animated, true);
2862                    dispatchOnLauncherTransitionEnd(toView, animated, true);
2863                    if (mWorkspace != null) {
2864                        mWorkspace.hideScrollingIndicator(false);
2865                    }
2866                    if (onCompleteRunnable != null) {
2867                        onCompleteRunnable.run();
2868                    }
2869                    mAppsCustomizeContent.updateCurrentPageScroll();
2870                    mAppsCustomizeContent.resumeScrolling();
2871                }
2872            });
2873
2874            mStateAnimation.playTogether(scaleAnim, alphaAnim);
2875            if (workspaceAnim != null) {
2876                mStateAnimation.play(workspaceAnim);
2877            }
2878            dispatchOnLauncherTransitionStart(fromView, animated, true);
2879            dispatchOnLauncherTransitionStart(toView, animated, true);
2880            LauncherAnimUtils.startAnimationAfterNextDraw(mStateAnimation, toView);
2881        } else {
2882            fromView.setVisibility(View.GONE);
2883            dispatchOnLauncherTransitionPrepare(fromView, animated, true);
2884            dispatchOnLauncherTransitionStart(fromView, animated, true);
2885            dispatchOnLauncherTransitionEnd(fromView, animated, true);
2886            dispatchOnLauncherTransitionPrepare(toView, animated, true);
2887            dispatchOnLauncherTransitionStart(toView, animated, true);
2888            dispatchOnLauncherTransitionEnd(toView, animated, true);
2889            mWorkspace.hideScrollingIndicator(false);
2890        }
2891    }
2892
2893    @Override
2894    public void onTrimMemory(int level) {
2895        super.onTrimMemory(level);
2896        if (level >= ComponentCallbacks2.TRIM_MEMORY_MODERATE) {
2897            mAppsCustomizeTabHost.onTrimMemory();
2898        }
2899    }
2900
2901    @Override
2902    public void onWindowFocusChanged(boolean hasFocus) {
2903        if (!hasFocus) {
2904            // When another window occludes launcher (like the notification shade, or recents),
2905            // ensure that we enable the wallpaper flag so that transitions are done correctly.
2906            updateWallpaperVisibility(true);
2907        } else {
2908            // When launcher has focus again, disable the wallpaper if we are in AllApps
2909            mWorkspace.postDelayed(new Runnable() {
2910                @Override
2911                public void run() {
2912                    disableWallpaperIfInAllApps();
2913                }
2914            }, 500);
2915        }
2916    }
2917
2918    void showWorkspace(boolean animated) {
2919        showWorkspace(animated, null);
2920    }
2921
2922    void showWorkspace(boolean animated, Runnable onCompleteRunnable) {
2923        if (mState != State.WORKSPACE) {
2924            boolean wasInSpringLoadedMode = (mState == State.APPS_CUSTOMIZE_SPRING_LOADED);
2925            mWorkspace.setVisibility(View.VISIBLE);
2926            hideAppsCustomizeHelper(State.WORKSPACE, animated, false, onCompleteRunnable);
2927
2928            // Show the search bar (only animate if we were showing the drop target bar in spring
2929            // loaded mode)
2930            if (mSearchDropTargetBar != null) {
2931                mSearchDropTargetBar.showSearchBar(wasInSpringLoadedMode);
2932            }
2933
2934            // We only need to animate in the dock divider if we're going from spring loaded mode
2935            showDockDivider(animated && wasInSpringLoadedMode);
2936
2937            // Set focus to the AppsCustomize button
2938            if (mAllAppsButton != null) {
2939                mAllAppsButton.requestFocus();
2940            }
2941        }
2942
2943        mWorkspace.flashScrollingIndicator(animated);
2944
2945        // Change the state *after* we've called all the transition code
2946        mState = State.WORKSPACE;
2947
2948        // Resume the auto-advance of widgets
2949        mUserPresent = true;
2950        updateRunning();
2951
2952        // Send an accessibility event to announce the context change
2953        getWindow().getDecorView()
2954                .sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
2955    }
2956
2957    void showAllApps(boolean animated) {
2958        if (mState != State.WORKSPACE) return;
2959
2960        showAppsCustomizeHelper(animated, false);
2961        mAppsCustomizeTabHost.requestFocus();
2962
2963        // Change the state *after* we've called all the transition code
2964        mState = State.APPS_CUSTOMIZE;
2965
2966        // Pause the auto-advance of widgets until we are out of AllApps
2967        mUserPresent = false;
2968        updateRunning();
2969        closeFolder();
2970
2971        // Send an accessibility event to announce the context change
2972        getWindow().getDecorView()
2973                .sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
2974    }
2975
2976    void enterSpringLoadedDragMode() {
2977        if (isAllAppsVisible()) {
2978            hideAppsCustomizeHelper(State.APPS_CUSTOMIZE_SPRING_LOADED, true, true, null);
2979            hideDockDivider();
2980            mState = State.APPS_CUSTOMIZE_SPRING_LOADED;
2981        }
2982    }
2983
2984    void exitSpringLoadedDragModeDelayed(final boolean successfulDrop, boolean extendedDelay,
2985            final Runnable onCompleteRunnable) {
2986        if (mState != State.APPS_CUSTOMIZE_SPRING_LOADED) return;
2987
2988        mHandler.postDelayed(new Runnable() {
2989            @Override
2990            public void run() {
2991                if (successfulDrop) {
2992                    // Before we show workspace, hide all apps again because
2993                    // exitSpringLoadedDragMode made it visible. This is a bit hacky; we should
2994                    // clean up our state transition functions
2995                    mAppsCustomizeTabHost.setVisibility(View.GONE);
2996                    showWorkspace(true, onCompleteRunnable);
2997                } else {
2998                    exitSpringLoadedDragMode();
2999                }
3000            }
3001        }, (extendedDelay ?
3002                EXIT_SPRINGLOADED_MODE_LONG_TIMEOUT :
3003                EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT));
3004    }
3005
3006    void exitSpringLoadedDragMode() {
3007        if (mState == State.APPS_CUSTOMIZE_SPRING_LOADED) {
3008            final boolean animated = true;
3009            final boolean springLoaded = true;
3010            showAppsCustomizeHelper(animated, springLoaded);
3011            mState = State.APPS_CUSTOMIZE;
3012        }
3013        // Otherwise, we are not in spring loaded mode, so don't do anything.
3014    }
3015
3016    void hideDockDivider() {
3017        if (mQsbDivider != null && mDockDivider != null) {
3018            mQsbDivider.setVisibility(View.INVISIBLE);
3019            mDockDivider.setVisibility(View.INVISIBLE);
3020        }
3021    }
3022
3023    void showDockDivider(boolean animated) {
3024        if (mQsbDivider != null && mDockDivider != null) {
3025            mQsbDivider.setVisibility(View.VISIBLE);
3026            mDockDivider.setVisibility(View.VISIBLE);
3027            if (mDividerAnimator != null) {
3028                mDividerAnimator.cancel();
3029                mQsbDivider.setAlpha(1f);
3030                mDockDivider.setAlpha(1f);
3031                mDividerAnimator = null;
3032            }
3033            if (animated) {
3034                mDividerAnimator = LauncherAnimUtils.createAnimatorSet();
3035                mDividerAnimator.playTogether(LauncherAnimUtils.ofFloat(mQsbDivider, "alpha", 1f),
3036                        LauncherAnimUtils.ofFloat(mDockDivider, "alpha", 1f));
3037                int duration = 0;
3038                if (mSearchDropTargetBar != null) {
3039                    duration = mSearchDropTargetBar.getTransitionInDuration();
3040                }
3041                mDividerAnimator.setDuration(duration);
3042                mDividerAnimator.start();
3043            }
3044        }
3045    }
3046
3047    void lockAllApps() {
3048        // TODO
3049    }
3050
3051    void unlockAllApps() {
3052        // TODO
3053    }
3054
3055    /**
3056     * Shows the hotseat area.
3057     */
3058    void showHotseat(boolean animated) {
3059        if (!LauncherApplication.isScreenLarge()) {
3060            if (animated) {
3061                if (mHotseat.getAlpha() != 1f) {
3062                    int duration = 0;
3063                    if (mSearchDropTargetBar != null) {
3064                        duration = mSearchDropTargetBar.getTransitionInDuration();
3065                    }
3066                    mHotseat.animate().alpha(1f).setDuration(duration);
3067                }
3068            } else {
3069                mHotseat.setAlpha(1f);
3070            }
3071        }
3072    }
3073
3074    /**
3075     * Hides the hotseat area.
3076     */
3077    void hideHotseat(boolean animated) {
3078        if (!LauncherApplication.isScreenLarge()) {
3079            if (animated) {
3080                if (mHotseat.getAlpha() != 0f) {
3081                    int duration = 0;
3082                    if (mSearchDropTargetBar != null) {
3083                        duration = mSearchDropTargetBar.getTransitionOutDuration();
3084                    }
3085                    mHotseat.animate().alpha(0f).setDuration(duration);
3086                }
3087            } else {
3088                mHotseat.setAlpha(0f);
3089            }
3090        }
3091    }
3092
3093    /**
3094     * Add an item from all apps or customize onto the given workspace screen.
3095     * If layout is null, add to the current screen.
3096     */
3097    void addExternalItemToScreen(ItemInfo itemInfo, final CellLayout layout) {
3098        if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) {
3099            showOutOfSpaceMessage(isHotseatLayout(layout));
3100        }
3101    }
3102
3103    /** Maps the current orientation to an index for referencing orientation correct global icons */
3104    private int getCurrentOrientationIndexForGlobalIcons() {
3105        // default - 0, landscape - 1
3106        switch (getResources().getConfiguration().orientation) {
3107        case Configuration.ORIENTATION_LANDSCAPE:
3108            return 1;
3109        default:
3110            return 0;
3111        }
3112    }
3113
3114    private Drawable getExternalPackageToolbarIcon(ComponentName activityName, String resourceName) {
3115        try {
3116            PackageManager packageManager = getPackageManager();
3117            // Look for the toolbar icon specified in the activity meta-data
3118            Bundle metaData = packageManager.getActivityInfo(
3119                    activityName, PackageManager.GET_META_DATA).metaData;
3120            if (metaData != null) {
3121                int iconResId = metaData.getInt(resourceName);
3122                if (iconResId != 0) {
3123                    Resources res = packageManager.getResourcesForActivity(activityName);
3124                    return res.getDrawable(iconResId);
3125                }
3126            }
3127        } catch (NameNotFoundException e) {
3128            // This can happen if the activity defines an invalid drawable
3129            Log.w(TAG, "Failed to load toolbar icon; " + activityName.flattenToShortString() +
3130                    " not found", e);
3131        } catch (Resources.NotFoundException nfe) {
3132            // This can happen if the activity defines an invalid drawable
3133            Log.w(TAG, "Failed to load toolbar icon from " + activityName.flattenToShortString(),
3134                    nfe);
3135        }
3136        return null;
3137    }
3138
3139    // if successful in getting icon, return it; otherwise, set button to use default drawable
3140    private Drawable.ConstantState updateTextButtonWithIconFromExternalActivity(
3141            int buttonId, ComponentName activityName, int fallbackDrawableId,
3142            String toolbarResourceName) {
3143        Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName, toolbarResourceName);
3144        Resources r = getResources();
3145        int w = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_width);
3146        int h = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_height);
3147
3148        TextView button = (TextView) findViewById(buttonId);
3149        // If we were unable to find the icon via the meta-data, use a generic one
3150        if (toolbarIcon == null) {
3151            toolbarIcon = r.getDrawable(fallbackDrawableId);
3152            toolbarIcon.setBounds(0, 0, w, h);
3153            if (button != null) {
3154                button.setCompoundDrawables(toolbarIcon, null, null, null);
3155            }
3156            return null;
3157        } else {
3158            toolbarIcon.setBounds(0, 0, w, h);
3159            if (button != null) {
3160                button.setCompoundDrawables(toolbarIcon, null, null, null);
3161            }
3162            return toolbarIcon.getConstantState();
3163        }
3164    }
3165
3166    // if successful in getting icon, return it; otherwise, set button to use default drawable
3167    private Drawable.ConstantState updateButtonWithIconFromExternalActivity(
3168            int buttonId, ComponentName activityName, int fallbackDrawableId,
3169            String toolbarResourceName) {
3170        ImageView button = (ImageView) findViewById(buttonId);
3171        Drawable toolbarIcon = getExternalPackageToolbarIcon(activityName, toolbarResourceName);
3172
3173        if (button != null) {
3174            // If we were unable to find the icon via the meta-data, use a
3175            // generic one
3176            if (toolbarIcon == null) {
3177                button.setImageResource(fallbackDrawableId);
3178            } else {
3179                button.setImageDrawable(toolbarIcon);
3180            }
3181        }
3182
3183        return toolbarIcon != null ? toolbarIcon.getConstantState() : null;
3184
3185    }
3186
3187    private void updateTextButtonWithDrawable(int buttonId, Drawable d) {
3188        TextView button = (TextView) findViewById(buttonId);
3189        button.setCompoundDrawables(d, null, null, null);
3190    }
3191
3192    private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) {
3193        ImageView button = (ImageView) findViewById(buttonId);
3194        button.setImageDrawable(d.newDrawable(getResources()));
3195    }
3196
3197    private void invalidatePressedFocusedStates(View container, View button) {
3198        if (container instanceof HolographicLinearLayout) {
3199            HolographicLinearLayout layout = (HolographicLinearLayout) container;
3200            layout.invalidatePressedFocusedStates();
3201        } else if (button instanceof HolographicImageView) {
3202            HolographicImageView view = (HolographicImageView) button;
3203            view.invalidatePressedFocusedStates();
3204        }
3205    }
3206
3207    private boolean updateGlobalSearchIcon() {
3208        final View searchButtonContainer = findViewById(R.id.search_button_container);
3209        final ImageView searchButton = (ImageView) findViewById(R.id.search_button);
3210        final View voiceButtonContainer = findViewById(R.id.voice_button_container);
3211        final View voiceButton = findViewById(R.id.voice_button);
3212        final View voiceButtonProxy = findViewById(R.id.voice_button_proxy);
3213
3214        final SearchManager searchManager =
3215                (SearchManager) getSystemService(Context.SEARCH_SERVICE);
3216        ComponentName activityName = searchManager.getGlobalSearchActivity();
3217        if (activityName != null) {
3218            int coi = getCurrentOrientationIndexForGlobalIcons();
3219            sGlobalSearchIcon[coi] = updateButtonWithIconFromExternalActivity(
3220                    R.id.search_button, activityName, R.drawable.ic_home_search_normal_holo,
3221                    TOOLBAR_SEARCH_ICON_METADATA_NAME);
3222            if (sGlobalSearchIcon[coi] == null) {
3223                sGlobalSearchIcon[coi] = updateButtonWithIconFromExternalActivity(
3224                        R.id.search_button, activityName, R.drawable.ic_home_search_normal_holo,
3225                        TOOLBAR_ICON_METADATA_NAME);
3226            }
3227
3228            if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.VISIBLE);
3229            searchButton.setVisibility(View.VISIBLE);
3230            invalidatePressedFocusedStates(searchButtonContainer, searchButton);
3231            return true;
3232        } else {
3233            // We disable both search and voice search when there is no global search provider
3234            if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.GONE);
3235            if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.GONE);
3236            searchButton.setVisibility(View.GONE);
3237            voiceButton.setVisibility(View.GONE);
3238            if (voiceButtonProxy != null) {
3239                voiceButtonProxy.setVisibility(View.GONE);
3240            }
3241            return false;
3242        }
3243    }
3244
3245    private void updateGlobalSearchIcon(Drawable.ConstantState d) {
3246        final View searchButtonContainer = findViewById(R.id.search_button_container);
3247        final View searchButton = (ImageView) findViewById(R.id.search_button);
3248        updateButtonWithDrawable(R.id.search_button, d);
3249        invalidatePressedFocusedStates(searchButtonContainer, searchButton);
3250    }
3251
3252    private boolean updateVoiceSearchIcon(boolean searchVisible) {
3253        final View voiceButtonContainer = findViewById(R.id.voice_button_container);
3254        final View voiceButton = findViewById(R.id.voice_button);
3255        final View voiceButtonProxy = findViewById(R.id.voice_button_proxy);
3256
3257        // We only show/update the voice search icon if the search icon is enabled as well
3258        final SearchManager searchManager =
3259                (SearchManager) getSystemService(Context.SEARCH_SERVICE);
3260        ComponentName globalSearchActivity = searchManager.getGlobalSearchActivity();
3261
3262        ComponentName activityName = null;
3263        if (globalSearchActivity != null) {
3264            // Check if the global search activity handles voice search
3265            Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3266            intent.setPackage(globalSearchActivity.getPackageName());
3267            activityName = intent.resolveActivity(getPackageManager());
3268        }
3269
3270        if (activityName == null) {
3271            // Fallback: check if an activity other than the global search activity
3272            // resolves this
3273            Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
3274            activityName = intent.resolveActivity(getPackageManager());
3275        }
3276        if (searchVisible && activityName != null) {
3277            int coi = getCurrentOrientationIndexForGlobalIcons();
3278            sVoiceSearchIcon[coi] = updateButtonWithIconFromExternalActivity(
3279                    R.id.voice_button, activityName, R.drawable.ic_home_voice_search_holo,
3280                    TOOLBAR_VOICE_SEARCH_ICON_METADATA_NAME);
3281            if (sVoiceSearchIcon[coi] == null) {
3282                sVoiceSearchIcon[coi] = updateButtonWithIconFromExternalActivity(
3283                        R.id.voice_button, activityName, R.drawable.ic_home_voice_search_holo,
3284                        TOOLBAR_ICON_METADATA_NAME);
3285            }
3286            if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.VISIBLE);
3287            voiceButton.setVisibility(View.VISIBLE);
3288            if (voiceButtonProxy != null) {
3289                voiceButtonProxy.setVisibility(View.VISIBLE);
3290            }
3291            invalidatePressedFocusedStates(voiceButtonContainer, voiceButton);
3292            return true;
3293        } else {
3294            if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.GONE);
3295            voiceButton.setVisibility(View.GONE);
3296            if (voiceButtonProxy != null) {
3297                voiceButtonProxy.setVisibility(View.GONE);
3298            }
3299            return false;
3300        }
3301    }
3302
3303    private void updateVoiceSearchIcon(Drawable.ConstantState d) {
3304        final View voiceButtonContainer = findViewById(R.id.voice_button_container);
3305        final View voiceButton = findViewById(R.id.voice_button);
3306        updateButtonWithDrawable(R.id.voice_button, d);
3307        invalidatePressedFocusedStates(voiceButtonContainer, voiceButton);
3308    }
3309
3310    /**
3311     * Sets the app market icon
3312     */
3313    private void updateAppMarketIcon() {
3314        final View marketButton = findViewById(R.id.market_button);
3315        Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET);
3316        // Find the app market activity by resolving an intent.
3317        // (If multiple app markets are installed, it will return the ResolverActivity.)
3318        ComponentName activityName = intent.resolveActivity(getPackageManager());
3319        if (activityName != null) {
3320            int coi = getCurrentOrientationIndexForGlobalIcons();
3321            mAppMarketIntent = intent;
3322            sAppMarketIcon[coi] = updateTextButtonWithIconFromExternalActivity(
3323                    R.id.market_button, activityName, R.drawable.ic_launcher_market_holo,
3324                    TOOLBAR_ICON_METADATA_NAME);
3325            marketButton.setVisibility(View.VISIBLE);
3326        } else {
3327            // We should hide and disable the view so that we don't try and restore the visibility
3328            // of it when we swap between drag & normal states from IconDropTarget subclasses.
3329            marketButton.setVisibility(View.GONE);
3330            marketButton.setEnabled(false);
3331        }
3332    }
3333
3334    private void updateAppMarketIcon(Drawable.ConstantState d) {
3335        // Ensure that the new drawable we are creating has the approprate toolbar icon bounds
3336        Resources r = getResources();
3337        Drawable marketIconDrawable = d.newDrawable(r);
3338        int w = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_width);
3339        int h = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_height);
3340        marketIconDrawable.setBounds(0, 0, w, h);
3341
3342        updateTextButtonWithDrawable(R.id.market_button, marketIconDrawable);
3343    }
3344
3345    @Override
3346    public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
3347        final boolean result = super.dispatchPopulateAccessibilityEvent(event);
3348        final List<CharSequence> text = event.getText();
3349        text.clear();
3350        // Populate event with a fake title based on the current state.
3351        if (mState == State.APPS_CUSTOMIZE) {
3352            text.add(getString(R.string.all_apps_button_label));
3353        } else {
3354            text.add(getString(R.string.all_apps_home_button_label));
3355        }
3356        return result;
3357    }
3358
3359    /**
3360     * Receives notifications when system dialogs are to be closed.
3361     */
3362    private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver {
3363        @Override
3364        public void onReceive(Context context, Intent intent) {
3365            closeSystemDialogs();
3366        }
3367    }
3368
3369    /**
3370     * Receives notifications whenever the appwidgets are reset.
3371     */
3372    private class AppWidgetResetObserver extends ContentObserver {
3373        public AppWidgetResetObserver() {
3374            super(new Handler());
3375        }
3376
3377        @Override
3378        public void onChange(boolean selfChange) {
3379            onAppWidgetReset();
3380        }
3381    }
3382
3383    /**
3384     * If the activity is currently paused, signal that we need to run the passed Runnable
3385     * in onResume.
3386     *
3387     * This needs to be called from incoming places where resources might have been loaded
3388     * while we are paused.  That is becaues the Configuration might be wrong
3389     * when we're not running, and if it comes back to what it was when we
3390     * were paused, we are not restarted.
3391     *
3392     * Implementation of the method from LauncherModel.Callbacks.
3393     *
3394     * @return true if we are currently paused.  The caller might be able to
3395     * skip some work in that case since we will come back again.
3396     */
3397    private boolean waitUntilResume(Runnable run, boolean deletePreviousRunnables) {
3398        if (mPaused) {
3399            Log.i(TAG, "Deferring update until onResume");
3400            if (deletePreviousRunnables) {
3401                while (mOnResumeCallbacks.remove(run)) {
3402                }
3403            }
3404            mOnResumeCallbacks.add(run);
3405            return true;
3406        } else {
3407            return false;
3408        }
3409    }
3410
3411    private boolean waitUntilResume(Runnable run) {
3412        return waitUntilResume(run, false);
3413    }
3414
3415    /**
3416     * If the activity is currently paused, signal that we need to re-run the loader
3417     * in onResume.
3418     *
3419     * This needs to be called from incoming places where resources might have been loaded
3420     * while we are paused.  That is becaues the Configuration might be wrong
3421     * when we're not running, and if it comes back to what it was when we
3422     * were paused, we are not restarted.
3423     *
3424     * Implementation of the method from LauncherModel.Callbacks.
3425     *
3426     * @return true if we are currently paused.  The caller might be able to
3427     * skip some work in that case since we will come back again.
3428     */
3429    public boolean setLoadOnResume() {
3430        if (mPaused) {
3431            Log.i(TAG, "setLoadOnResume");
3432            mOnResumeNeedsLoad = true;
3433            return true;
3434        } else {
3435            return false;
3436        }
3437    }
3438
3439    /**
3440     * Implementation of the method from LauncherModel.Callbacks.
3441     */
3442    public int getCurrentWorkspaceScreen() {
3443        if (mWorkspace != null) {
3444            return mWorkspace.getCurrentPage();
3445        } else {
3446            return SCREEN_COUNT / 2;
3447        }
3448    }
3449
3450    /**
3451     * Refreshes the shortcuts shown on the workspace.
3452     *
3453     * Implementation of the method from LauncherModel.Callbacks.
3454     */
3455    public void startBinding() {
3456        // If we're starting binding all over again, clear any bind calls we'd postponed in
3457        // the past (see waitUntilResume) -- we don't need them since we're starting binding
3458        // from scratch again
3459        mOnResumeCallbacks.clear();
3460
3461        final Workspace workspace = mWorkspace;
3462        mNewShortcutAnimatePage = -1;
3463        mNewShortcutAnimateViews.clear();
3464        mWorkspace.clearDropTargets();
3465        int count = workspace.getChildCount();
3466        for (int i = 0; i < count; i++) {
3467            // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate().
3468            final CellLayout layoutParent = (CellLayout) workspace.getChildAt(i);
3469            layoutParent.removeAllViewsInLayout();
3470        }
3471        mWidgetsToAdvance.clear();
3472        if (mHotseat != null) {
3473            mHotseat.resetLayout();
3474        }
3475    }
3476
3477    /**
3478     * Bind the items start-end from the list.
3479     *
3480     * Implementation of the method from LauncherModel.Callbacks.
3481     */
3482    public void bindItems(final ArrayList<ItemInfo> shortcuts, final int start, final int end) {
3483        if (waitUntilResume(new Runnable() {
3484                public void run() {
3485                    bindItems(shortcuts, start, end);
3486                }
3487            })) {
3488            return;
3489        }
3490
3491        // Get the list of added shortcuts and intersect them with the set of shortcuts here
3492        Set<String> newApps = new HashSet<String>();
3493        newApps = mSharedPrefs.getStringSet(InstallShortcutReceiver.NEW_APPS_LIST_KEY, newApps);
3494
3495        Workspace workspace = mWorkspace;
3496        for (int i = start; i < end; i++) {
3497            final ItemInfo item = shortcuts.get(i);
3498
3499            // Short circuit if we are loading dock items for a configuration which has no dock
3500            if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT &&
3501                    mHotseat == null) {
3502                continue;
3503            }
3504
3505            switch (item.itemType) {
3506                case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
3507                case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
3508                    ShortcutInfo info = (ShortcutInfo) item;
3509                    String uri = info.intent.toUri(0).toString();
3510                    View shortcut = createShortcut(info);
3511                    workspace.addInScreen(shortcut, item.container, item.screen, item.cellX,
3512                            item.cellY, 1, 1, false);
3513                    boolean animateIconUp = false;
3514                    synchronized (newApps) {
3515                        if (newApps.contains(uri)) {
3516                            animateIconUp = newApps.remove(uri);
3517                        }
3518                    }
3519                    if (animateIconUp) {
3520                        // Prepare the view to be animated up
3521                        shortcut.setAlpha(0f);
3522                        shortcut.setScaleX(0f);
3523                        shortcut.setScaleY(0f);
3524                        mNewShortcutAnimatePage = item.screen;
3525                        if (!mNewShortcutAnimateViews.contains(shortcut)) {
3526                            mNewShortcutAnimateViews.add(shortcut);
3527                        }
3528                    }
3529                    break;
3530                case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
3531                    FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this,
3532                            (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()),
3533                            (FolderInfo) item, mIconCache);
3534                    workspace.addInScreen(newFolder, item.container, item.screen, item.cellX,
3535                            item.cellY, 1, 1, false);
3536                    break;
3537            }
3538        }
3539
3540        workspace.requestLayout();
3541    }
3542
3543    /**
3544     * Implementation of the method from LauncherModel.Callbacks.
3545     */
3546    public void bindFolders(final HashMap<Long, FolderInfo> folders) {
3547        if (waitUntilResume(new Runnable() {
3548                public void run() {
3549                    bindFolders(folders);
3550                }
3551            })) {
3552            return;
3553        }
3554        sFolders.clear();
3555        sFolders.putAll(folders);
3556    }
3557
3558    /**
3559     * Add the views for a widget to the workspace.
3560     *
3561     * Implementation of the method from LauncherModel.Callbacks.
3562     */
3563    public void bindAppWidget(final LauncherAppWidgetInfo item) {
3564        if (waitUntilResume(new Runnable() {
3565                public void run() {
3566                    bindAppWidget(item);
3567                }
3568            })) {
3569            return;
3570        }
3571
3572        final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0;
3573        if (DEBUG_WIDGETS) {
3574            Log.d(TAG, "bindAppWidget: " + item);
3575        }
3576        final Workspace workspace = mWorkspace;
3577
3578        final int appWidgetId = item.appWidgetId;
3579        final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId);
3580        if (DEBUG_WIDGETS) {
3581            Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider);
3582        }
3583
3584        item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo);
3585
3586        item.hostView.setTag(item);
3587        item.onBindAppWidget(this);
3588
3589        workspace.addInScreen(item.hostView, item.container, item.screen, item.cellX,
3590                item.cellY, item.spanX, item.spanY, false);
3591        addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo);
3592
3593        workspace.requestLayout();
3594
3595        if (DEBUG_WIDGETS) {
3596            Log.d(TAG, "bound widget id="+item.appWidgetId+" in "
3597                    + (SystemClock.uptimeMillis()-start) + "ms");
3598        }
3599    }
3600
3601    public void onPageBoundSynchronously(int page) {
3602        mSynchronouslyBoundPages.add(page);
3603    }
3604
3605    /**
3606     * Callback saying that there aren't any more items to bind.
3607     *
3608     * Implementation of the method from LauncherModel.Callbacks.
3609     */
3610    public void finishBindingItems() {
3611        if (waitUntilResume(new Runnable() {
3612                public void run() {
3613                    finishBindingItems();
3614                }
3615            })) {
3616            return;
3617        }
3618        if (mSavedState != null) {
3619            if (!mWorkspace.hasFocus()) {
3620                mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus();
3621            }
3622            mSavedState = null;
3623        }
3624
3625        mWorkspace.restoreInstanceStateForRemainingPages();
3626
3627        // If we received the result of any pending adds while the loader was running (e.g. the
3628        // widget configuration forced an orientation change), process them now.
3629        for (int i = 0; i < sPendingAddList.size(); i++) {
3630            completeAdd(sPendingAddList.get(i));
3631        }
3632        sPendingAddList.clear();
3633
3634        // Update the market app icon as necessary (the other icons will be managed in response to
3635        // package changes in bindSearchablesChanged()
3636        updateAppMarketIcon();
3637
3638        // Animate up any icons as necessary
3639        if (mVisible || mWorkspaceLoading) {
3640            Runnable newAppsRunnable = new Runnable() {
3641                @Override
3642                public void run() {
3643                    runNewAppsAnimation(false);
3644                }
3645            };
3646
3647            boolean willSnapPage = mNewShortcutAnimatePage > -1 &&
3648                    mNewShortcutAnimatePage != mWorkspace.getCurrentPage();
3649            if (canRunNewAppsAnimation()) {
3650                // If the user has not interacted recently, then either snap to the new page to show
3651                // the new-apps animation or just run them if they are to appear on the current page
3652                if (willSnapPage) {
3653                    mWorkspace.snapToPage(mNewShortcutAnimatePage, newAppsRunnable);
3654                } else {
3655                    runNewAppsAnimation(false);
3656                }
3657            } else {
3658                // If the user has interacted recently, then just add the items in place if they
3659                // are on another page (or just normally if they are added to the current page)
3660                runNewAppsAnimation(willSnapPage);
3661            }
3662        }
3663
3664        mWorkspaceLoading = false;
3665    }
3666
3667    private boolean canRunNewAppsAnimation() {
3668        long diff = System.currentTimeMillis() - mDragController.getLastGestureUpTime();
3669        return diff > (NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS * 1000);
3670    }
3671
3672    /**
3673     * Runs a new animation that scales up icons that were added while Launcher was in the
3674     * background.
3675     *
3676     * @param immediate whether to run the animation or show the results immediately
3677     */
3678    private void runNewAppsAnimation(boolean immediate) {
3679        AnimatorSet anim = LauncherAnimUtils.createAnimatorSet();
3680        Collection<Animator> bounceAnims = new ArrayList<Animator>();
3681
3682        // Order these new views spatially so that they animate in order
3683        Collections.sort(mNewShortcutAnimateViews, new Comparator<View>() {
3684            @Override
3685            public int compare(View a, View b) {
3686                CellLayout.LayoutParams alp = (CellLayout.LayoutParams) a.getLayoutParams();
3687                CellLayout.LayoutParams blp = (CellLayout.LayoutParams) b.getLayoutParams();
3688                int cellCountX = LauncherModel.getCellCountX();
3689                return (alp.cellY * cellCountX + alp.cellX) - (blp.cellY * cellCountX + blp.cellX);
3690            }
3691        });
3692
3693        // Animate each of the views in place (or show them immediately if requested)
3694        if (immediate) {
3695            for (View v : mNewShortcutAnimateViews) {
3696                v.setAlpha(1f);
3697                v.setScaleX(1f);
3698                v.setScaleY(1f);
3699            }
3700        } else {
3701            for (int i = 0; i < mNewShortcutAnimateViews.size(); ++i) {
3702                View v = mNewShortcutAnimateViews.get(i);
3703                ValueAnimator bounceAnim = LauncherAnimUtils.ofPropertyValuesHolder(v,
3704                        PropertyValuesHolder.ofFloat("alpha", 1f),
3705                        PropertyValuesHolder.ofFloat("scaleX", 1f),
3706                        PropertyValuesHolder.ofFloat("scaleY", 1f));
3707                bounceAnim.setDuration(InstallShortcutReceiver.NEW_SHORTCUT_BOUNCE_DURATION);
3708                bounceAnim.setStartDelay(i * InstallShortcutReceiver.NEW_SHORTCUT_STAGGER_DELAY);
3709                bounceAnim.setInterpolator(new SmoothPagedView.OvershootInterpolator());
3710                bounceAnims.add(bounceAnim);
3711            }
3712            anim.playTogether(bounceAnims);
3713            anim.addListener(new AnimatorListenerAdapter() {
3714                @Override
3715                public void onAnimationEnd(Animator animation) {
3716                    if (mWorkspace != null) {
3717                        mWorkspace.postDelayed(mBuildLayersRunnable, 500);
3718                    }
3719                }
3720            });
3721            anim.start();
3722        }
3723
3724        // Clean up
3725        mNewShortcutAnimatePage = -1;
3726        mNewShortcutAnimateViews.clear();
3727        new Thread("clearNewAppsThread") {
3728            public void run() {
3729                mSharedPrefs.edit()
3730                            .putInt(InstallShortcutReceiver.NEW_APPS_PAGE_KEY, -1)
3731                            .putStringSet(InstallShortcutReceiver.NEW_APPS_LIST_KEY, null)
3732                            .commit();
3733            }
3734        }.start();
3735    }
3736
3737    @Override
3738    public void bindSearchablesChanged() {
3739        boolean searchVisible = updateGlobalSearchIcon();
3740        boolean voiceVisible = updateVoiceSearchIcon(searchVisible);
3741        if (mSearchDropTargetBar != null) {
3742            mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible);
3743        }
3744    }
3745
3746    /**
3747     * Add the icons for all apps.
3748     *
3749     * Implementation of the method from LauncherModel.Callbacks.
3750     */
3751    public void bindAllApplications(final ArrayList<ApplicationInfo> apps) {
3752        Runnable setAllAppsRunnable = new Runnable() {
3753            public void run() {
3754                if (mAppsCustomizeContent != null) {
3755                    mAppsCustomizeContent.setApps(apps);
3756                }
3757            }
3758        };
3759
3760        // Remove the progress bar entirely; we could also make it GONE
3761        // but better to remove it since we know it's not going to be used
3762        View progressBar = mAppsCustomizeTabHost.
3763            findViewById(R.id.apps_customize_progress_bar);
3764        if (progressBar != null) {
3765            ((ViewGroup)progressBar.getParent()).removeView(progressBar);
3766
3767            // We just post the call to setApps so the user sees the progress bar
3768            // disappear-- otherwise, it just looks like the progress bar froze
3769            // which doesn't look great
3770            mAppsCustomizeTabHost.post(setAllAppsRunnable);
3771        } else {
3772            // If we did not initialize the spinner in onCreate, then we can directly set the
3773            // list of applications without waiting for any progress bars views to be hidden.
3774            setAllAppsRunnable.run();
3775        }
3776    }
3777
3778    /**
3779     * A package was installed.
3780     *
3781     * Implementation of the method from LauncherModel.Callbacks.
3782     */
3783    public void bindAppsAdded(final ArrayList<ApplicationInfo> apps) {
3784        if (waitUntilResume(new Runnable() {
3785                public void run() {
3786                    bindAppsAdded(apps);
3787                }
3788            })) {
3789            return;
3790        }
3791
3792
3793        if (mAppsCustomizeContent != null) {
3794            mAppsCustomizeContent.addApps(apps);
3795        }
3796    }
3797
3798    /**
3799     * A package was updated.
3800     *
3801     * Implementation of the method from LauncherModel.Callbacks.
3802     */
3803    public void bindAppsUpdated(final ArrayList<ApplicationInfo> apps) {
3804        if (waitUntilResume(new Runnable() {
3805                public void run() {
3806                    bindAppsUpdated(apps);
3807                }
3808            })) {
3809            return;
3810        }
3811
3812        if (mWorkspace != null) {
3813            mWorkspace.updateShortcuts(apps);
3814        }
3815
3816        if (mAppsCustomizeContent != null) {
3817            mAppsCustomizeContent.updateApps(apps);
3818        }
3819    }
3820
3821    /**
3822     * A package was uninstalled.  We take both the super set of packageNames
3823     * in addition to specific applications to remove, the reason being that
3824     * this can be called when a package is updated as well.  In that scenario,
3825     * we only remove specific components from the workspace, where as
3826     * package-removal should clear all items by package name.
3827     *
3828     * Implementation of the method from LauncherModel.Callbacks.
3829     */
3830    public void bindComponentsRemoved(final ArrayList<String> packageNames,
3831                                      final ArrayList<ApplicationInfo> appInfos,
3832            final boolean matchPackageNamesOnly, final UserHandle user) {
3833        if (waitUntilResume(new Runnable() {
3834            public void run() {
3835                bindComponentsRemoved(packageNames, appInfos, matchPackageNamesOnly, user);
3836            }
3837        })) {
3838            return;
3839        }
3840
3841        if (matchPackageNamesOnly) {
3842            mWorkspace.removeItemsByPackageName(packageNames, user);
3843        } else {
3844            mWorkspace.removeItemsByApplicationInfo(appInfos, user);
3845        }
3846
3847        if (mAppsCustomizeContent != null) {
3848            mAppsCustomizeContent.removeApps(appInfos);
3849        }
3850
3851        // Notify the drag controller
3852        mDragController.onAppsRemoved(appInfos, this);
3853    }
3854
3855    /**
3856     * A number of packages were updated.
3857     */
3858
3859    private ArrayList<Object> mWidgetsAndShortcuts;
3860    private Runnable mBindPackagesUpdatedRunnable = new Runnable() {
3861            public void run() {
3862                bindPackagesUpdated(mWidgetsAndShortcuts);
3863                mWidgetsAndShortcuts = null;
3864            }
3865        };
3866
3867    public void bindPackagesUpdated(final ArrayList<Object> widgetsAndShortcuts) {
3868        if (waitUntilResume(mBindPackagesUpdatedRunnable, true)) {
3869            mWidgetsAndShortcuts = widgetsAndShortcuts;
3870            return;
3871        }
3872
3873        if (mAppsCustomizeContent != null) {
3874            mAppsCustomizeContent.onPackagesUpdated(widgetsAndShortcuts);
3875        }
3876    }
3877
3878    private int mapConfigurationOriActivityInfoOri(int configOri) {
3879        final Display d = getWindowManager().getDefaultDisplay();
3880        int naturalOri = Configuration.ORIENTATION_LANDSCAPE;
3881        switch (d.getRotation()) {
3882        case Surface.ROTATION_0:
3883        case Surface.ROTATION_180:
3884            // We are currently in the same basic orientation as the natural orientation
3885            naturalOri = configOri;
3886            break;
3887        case Surface.ROTATION_90:
3888        case Surface.ROTATION_270:
3889            // We are currently in the other basic orientation to the natural orientation
3890            naturalOri = (configOri == Configuration.ORIENTATION_LANDSCAPE) ?
3891                    Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE;
3892            break;
3893        }
3894
3895        int[] oriMap = {
3896                ActivityInfo.SCREEN_ORIENTATION_PORTRAIT,
3897                ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE,
3898                ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT,
3899                ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE
3900        };
3901        // Since the map starts at portrait, we need to offset if this device's natural orientation
3902        // is landscape.
3903        int indexOffset = 0;
3904        if (naturalOri == Configuration.ORIENTATION_LANDSCAPE) {
3905            indexOffset = 1;
3906        }
3907        return oriMap[(d.getRotation() + indexOffset) % 4];
3908    }
3909
3910    public boolean isRotationEnabled() {
3911        boolean enableRotation = sForceEnableRotation ||
3912                getResources().getBoolean(R.bool.allow_rotation);
3913        return enableRotation;
3914    }
3915    public void lockScreenOrientation() {
3916        if (isRotationEnabled()) {
3917            setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources()
3918                    .getConfiguration().orientation));
3919        }
3920    }
3921    public void unlockScreenOrientation(boolean immediate) {
3922        if (isRotationEnabled()) {
3923            if (immediate) {
3924                setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
3925            } else {
3926                mHandler.postDelayed(new Runnable() {
3927                    public void run() {
3928                        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
3929                    }
3930                }, mRestoreScreenOrientationDelay);
3931            }
3932        }
3933    }
3934
3935    /* Cling related */
3936    private boolean isClingsEnabled() {
3937        // disable clings when running in a test harness
3938        if(ActivityManager.isRunningInTestHarness()) return false;
3939
3940        if (mHostDevice == HostDevice.UNKNOWN) {
3941            mHostDevice = "1".equals(getSystemPropertyFromShell("ro.kernel.qemu")) ?
3942                    HostDevice.EMULATOR : HostDevice.REAL_DEVICE;
3943        }
3944        // disable clings when running inside emulator
3945        if (mHostDevice == HostDevice.EMULATOR) return false;
3946
3947        // Restricted secondary users (child mode) will potentially have very few apps
3948        // seeded when they start up for the first time. Clings won't work well with that
3949        boolean supportsLimitedUsers =
3950                android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR2;
3951        Account[] accounts = AccountManager.get(this).getAccounts();
3952        if (supportsLimitedUsers && accounts.length == 0) {
3953            UserManager um = (UserManager) getSystemService(Context.USER_SERVICE);
3954            Bundle restrictions = um.getUserRestrictions();
3955            if (restrictions.getBoolean(UserManager.DISALLOW_MODIFY_ACCOUNTS, false)) {
3956               return false;
3957            }
3958        }
3959        // Check if the system has requested skipping of first-use hints.
3960        if (Settings.Secure.getInt(getContentResolver(),
3961                Settings.Secure.SKIP_FIRST_USE_HINTS, 0) == 1) {
3962            return false;
3963        }
3964        return true;
3965    }
3966
3967    private Cling initCling(int clingId, int[] positionData, boolean animate, int delay) {
3968        final Cling cling = (Cling) findViewById(clingId);
3969        if (cling != null) {
3970            cling.init(this, positionData);
3971            cling.setVisibility(View.VISIBLE);
3972            cling.setLayerType(View.LAYER_TYPE_HARDWARE, null);
3973            if (animate) {
3974                cling.buildLayer();
3975                cling.setAlpha(0f);
3976                cling.animate()
3977                    .alpha(1f)
3978                    .setInterpolator(new AccelerateInterpolator())
3979                    .setDuration(SHOW_CLING_DURATION)
3980                    .setStartDelay(delay)
3981                    .start();
3982            } else {
3983                cling.setAlpha(1f);
3984            }
3985            cling.setFocusableInTouchMode(true);
3986            cling.post(new Runnable() {
3987                public void run() {
3988                    cling.setFocusable(true);
3989                    cling.requestFocus();
3990                }
3991            });
3992            mHideFromAccessibilityHelper.setImportantForAccessibilityToNo(
3993                    mDragLayer, clingId == R.id.all_apps_cling);
3994        }
3995        return cling;
3996    }
3997
3998    private void dismissCling(final Cling cling, final String flag, int duration) {
3999        // To catch cases where siblings of top-level views are made invisible, just check whether
4000        // the cling is directly set to GONE before dismissing it.
4001        if (cling != null && cling.getVisibility() != View.GONE) {
4002            ObjectAnimator anim = LauncherAnimUtils.ofFloat(cling, "alpha", 0f);
4003            anim.setDuration(duration);
4004            anim.addListener(new AnimatorListenerAdapter() {
4005                public void onAnimationEnd(Animator animation) {
4006                    cling.setVisibility(View.GONE);
4007                    cling.cleanup();
4008                    // We should update the shared preferences on a background thread
4009                    new Thread("dismissClingThread") {
4010                        public void run() {
4011                            SharedPreferences.Editor editor = mSharedPrefs.edit();
4012                            editor.putBoolean(flag, true);
4013                            editor.commit();
4014                        }
4015                    }.start();
4016                };
4017            });
4018            anim.start();
4019            mHideFromAccessibilityHelper.restoreImportantForAccessibility(mDragLayer);
4020        }
4021    }
4022
4023    private void removeCling(int id) {
4024        final View cling = findViewById(id);
4025        if (cling != null) {
4026            final ViewGroup parent = (ViewGroup) cling.getParent();
4027            parent.post(new Runnable() {
4028                @Override
4029                public void run() {
4030                    parent.removeView(cling);
4031                }
4032            });
4033            mHideFromAccessibilityHelper.restoreImportantForAccessibility(mDragLayer);
4034        }
4035    }
4036
4037    private boolean skipCustomClingIfNoAccounts() {
4038        Cling cling = (Cling) findViewById(R.id.workspace_cling);
4039        boolean customCling = cling.getDrawIdentifier().equals("workspace_custom");
4040        if (customCling) {
4041            AccountManager am = AccountManager.get(this);
4042            Account[] accounts = am.getAccountsByType("com.google");
4043            return accounts.length == 0;
4044        }
4045        return false;
4046    }
4047
4048    public void showFirstRunWorkspaceCling() {
4049        // Enable the clings only if they have not been dismissed before
4050        if (isClingsEnabled() &&
4051                !mSharedPrefs.getBoolean(Cling.WORKSPACE_CLING_DISMISSED_KEY, false) &&
4052                !skipCustomClingIfNoAccounts() ) {
4053            // If we're not using the default workspace layout, replace workspace cling
4054            // with a custom workspace cling (usually specified in an overlay)
4055            // For now, only do this on tablets
4056            if (mSharedPrefs.getInt(LauncherProvider.DEFAULT_WORKSPACE_RESOURCE_ID, 0) != 0 &&
4057                    getResources().getBoolean(R.bool.config_useCustomClings)) {
4058                // Use a custom cling
4059                View cling = findViewById(R.id.workspace_cling);
4060                ViewGroup clingParent = (ViewGroup) cling.getParent();
4061                int clingIndex = clingParent.indexOfChild(cling);
4062                clingParent.removeViewAt(clingIndex);
4063                View customCling = mInflater.inflate(R.layout.custom_workspace_cling, clingParent, false);
4064                clingParent.addView(customCling, clingIndex);
4065                customCling.setId(R.id.workspace_cling);
4066            }
4067            initCling(R.id.workspace_cling, null, false, 0);
4068        } else {
4069            removeCling(R.id.workspace_cling);
4070        }
4071    }
4072    public void showFirstRunAllAppsCling(int[] position) {
4073        // Enable the clings only if they have not been dismissed before
4074        if (isClingsEnabled() &&
4075                !mSharedPrefs.getBoolean(Cling.ALLAPPS_CLING_DISMISSED_KEY, false)) {
4076            initCling(R.id.all_apps_cling, position, true, 0);
4077        } else {
4078            removeCling(R.id.all_apps_cling);
4079        }
4080    }
4081    public Cling showFirstRunFoldersCling() {
4082        // Enable the clings only if they have not been dismissed before
4083        if (isClingsEnabled() &&
4084                !mSharedPrefs.getBoolean(Cling.FOLDER_CLING_DISMISSED_KEY, false)) {
4085            return initCling(R.id.folder_cling, null, true, 0);
4086        } else {
4087            removeCling(R.id.folder_cling);
4088            return null;
4089        }
4090    }
4091    public boolean isFolderClingVisible() {
4092        Cling cling = (Cling) findViewById(R.id.folder_cling);
4093        if (cling != null) {
4094            return cling.getVisibility() == View.VISIBLE;
4095        }
4096        return false;
4097    }
4098    public void dismissWorkspaceCling(View v) {
4099        Cling cling = (Cling) findViewById(R.id.workspace_cling);
4100        dismissCling(cling, Cling.WORKSPACE_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION);
4101    }
4102    public void dismissAllAppsCling(View v) {
4103        Cling cling = (Cling) findViewById(R.id.all_apps_cling);
4104        dismissCling(cling, Cling.ALLAPPS_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION);
4105    }
4106    public void dismissFolderCling(View v) {
4107        Cling cling = (Cling) findViewById(R.id.folder_cling);
4108        dismissCling(cling, Cling.FOLDER_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION);
4109    }
4110
4111    /**
4112     * Prints out out state for debugging.
4113     */
4114    public void dumpState() {
4115        Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this);
4116        Log.d(TAG, "mSavedState=" + mSavedState);
4117        Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading);
4118        Log.d(TAG, "mRestoring=" + mRestoring);
4119        Log.d(TAG, "mWaitingForResult=" + mWaitingForResult);
4120        Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState);
4121        Log.d(TAG, "sFolders.size=" + sFolders.size());
4122        mModel.dumpState();
4123
4124        if (mAppsCustomizeContent != null) {
4125            mAppsCustomizeContent.dumpState();
4126        }
4127        Log.d(TAG, "END launcher2 dump state");
4128    }
4129
4130    @Override
4131    public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {
4132        super.dump(prefix, fd, writer, args);
4133        writer.println(" ");
4134        writer.println("Debug logs: ");
4135        for (int i = 0; i < sDumpLogs.size(); i++) {
4136            writer.println("  " + sDumpLogs.get(i));
4137        }
4138    }
4139
4140    public static void dumpDebugLogsToConsole() {
4141        Log.d(TAG, "");
4142        Log.d(TAG, "*********************");
4143        Log.d(TAG, "Launcher debug logs: ");
4144        for (int i = 0; i < sDumpLogs.size(); i++) {
4145            Log.d(TAG, "  " + sDumpLogs.get(i));
4146        }
4147        Log.d(TAG, "*********************");
4148        Log.d(TAG, "");
4149    }
4150}
4151
4152interface LauncherTransitionable {
4153    View getContent();
4154    void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace);
4155    void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace);
4156    void onLauncherTransitionStep(Launcher l, float t);
4157    void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace);
4158}
4159