PhoneWindow.java revision 0635b8927e1e77e34916437f4e5b67cff4e25b2a
1/*
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *      http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16package com.android.internal.policy.impl;
17
18import static android.view.View.MeasureSpec.AT_MOST;
19import static android.view.View.MeasureSpec.EXACTLY;
20import static android.view.View.MeasureSpec.getMode;
21import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
22import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
23import static android.view.WindowManager.LayoutParams.*;
24
25import com.android.internal.R;
26import com.android.internal.view.RootViewSurfaceTaker;
27import com.android.internal.view.StandaloneActionMode;
28import com.android.internal.view.menu.ContextMenuBuilder;
29import com.android.internal.view.menu.IconMenuPresenter;
30import com.android.internal.view.menu.ListMenuPresenter;
31import com.android.internal.view.menu.MenuBuilder;
32import com.android.internal.view.menu.MenuDialogHelper;
33import com.android.internal.view.menu.MenuPresenter;
34import com.android.internal.view.menu.MenuView;
35import com.android.internal.widget.ActionBarContextView;
36import com.android.internal.widget.DecorContentParent;
37import com.android.internal.widget.SwipeDismissLayout;
38
39import android.app.ActivityManager;
40import android.app.KeyguardManager;
41import android.content.Context;
42import android.content.pm.PackageManager;
43import android.content.res.Configuration;
44import android.content.res.Resources.Theme;
45import android.content.res.TypedArray;
46import android.graphics.Canvas;
47import android.graphics.Color;
48import android.graphics.PixelFormat;
49import android.graphics.Rect;
50import android.graphics.drawable.Drawable;
51import android.media.AudioManager;
52import android.media.session.MediaController;
53import android.media.session.MediaSession;
54import android.media.session.MediaSessionLegacyHelper;
55import android.net.Uri;
56import android.os.Bundle;
57import android.os.Handler;
58import android.os.Parcel;
59import android.os.Parcelable;
60import android.os.RemoteException;
61import android.os.ServiceManager;
62import android.transition.Scene;
63import android.transition.Transition;
64import android.transition.TransitionInflater;
65import android.transition.TransitionManager;
66import android.util.AndroidRuntimeException;
67import android.util.DisplayMetrics;
68import android.util.EventLog;
69import android.util.Log;
70import android.util.SparseArray;
71import android.util.TypedValue;
72import android.view.ActionMode;
73import android.view.ContextThemeWrapper;
74import android.view.Display;
75import android.view.Gravity;
76import android.view.IRotationWatcher;
77import android.view.IWindowManager;
78import android.view.InputEvent;
79import android.view.InputQueue;
80import android.view.KeyCharacterMap;
81import android.view.KeyEvent;
82import android.view.LayoutInflater;
83import android.view.Menu;
84import android.view.MenuItem;
85import android.view.MotionEvent;
86import android.view.SurfaceHolder;
87import android.view.View;
88import android.view.ViewConfiguration;
89import android.view.ViewGroup;
90import android.view.ViewManager;
91import android.view.ViewParent;
92import android.view.ViewRootImpl;
93import android.view.ViewStub;
94import android.view.Window;
95import android.view.WindowInsets;
96import android.view.WindowManager;
97import android.view.accessibility.AccessibilityEvent;
98import android.view.accessibility.AccessibilityManager;
99import android.view.animation.Animation;
100import android.view.animation.AnimationUtils;
101import android.widget.FrameLayout;
102import android.widget.ImageView;
103import android.widget.PopupWindow;
104import android.widget.ProgressBar;
105import android.widget.TextView;
106
107import java.lang.ref.WeakReference;
108import java.util.ArrayList;
109
110/**
111 * Android-specific Window.
112 * <p>
113 * todo: need to pull the generic functionality out into a base class
114 * in android.widget.
115 */
116public class PhoneWindow extends Window implements MenuBuilder.Callback {
117
118    private final static String TAG = "PhoneWindow";
119
120    private final static boolean SWEEP_OPEN_MENU = false;
121
122    private final static int DEFAULT_BACKGROUND_FADE_DURATION_MS = 300;
123
124    private static final int CUSTOM_TITLE_COMPATIBLE_FEATURES = DEFAULT_FEATURES |
125            (1 << FEATURE_CUSTOM_TITLE) |
126            (1 << FEATURE_CONTENT_TRANSITIONS) |
127            (1 << FEATURE_ACTION_MODE_OVERLAY);
128
129    /**
130     * Simple callback used by the context menu and its submenus. The options
131     * menu submenus do not use this (their behavior is more complex).
132     */
133    final DialogMenuCallback mContextMenuCallback = new DialogMenuCallback(FEATURE_CONTEXT_MENU);
134
135    final TypedValue mMinWidthMajor = new TypedValue();
136    final TypedValue mMinWidthMinor = new TypedValue();
137    TypedValue mFixedWidthMajor;
138    TypedValue mFixedWidthMinor;
139    TypedValue mFixedHeightMajor;
140    TypedValue mFixedHeightMinor;
141    TypedValue mOutsetBottom;
142
143    // This is the top-level view of the window, containing the window decor.
144    private DecorView mDecor;
145
146    // This is the view in which the window contents are placed. It is either
147    // mDecor itself, or a child of mDecor where the contents go.
148    private ViewGroup mContentParent;
149
150    SurfaceHolder.Callback2 mTakeSurfaceCallback;
151
152    InputQueue.Callback mTakeInputQueueCallback;
153
154    private boolean mIsFloating;
155
156    private LayoutInflater mLayoutInflater;
157
158    private TextView mTitleView;
159
160    private DecorContentParent mDecorContentParent;
161    private ActionMenuPresenterCallback mActionMenuPresenterCallback;
162    private PanelMenuPresenterCallback mPanelMenuPresenterCallback;
163
164    private TransitionManager mTransitionManager;
165    private Scene mContentScene;
166
167    // The icon resource has been explicitly set elsewhere
168    // and should not be overwritten with a default.
169    static final int FLAG_RESOURCE_SET_ICON = 1 << 0;
170
171    // The logo resource has been explicitly set elsewhere
172    // and should not be overwritten with a default.
173    static final int FLAG_RESOURCE_SET_LOGO = 1 << 1;
174
175    // The icon resource is currently configured to use the system fallback
176    // as no default was previously specified. Anything can override this.
177    static final int FLAG_RESOURCE_SET_ICON_FALLBACK = 1 << 2;
178
179    int mResourcesSetFlags;
180    int mIconRes;
181    int mLogoRes;
182
183    private DrawableFeatureState[] mDrawables;
184
185    private PanelFeatureState[] mPanels;
186
187    /**
188     * The panel that is prepared or opened (the most recent one if there are
189     * multiple panels). Shortcuts will go to this panel. It gets set in
190     * {@link #preparePanel} and cleared in {@link #closePanel}.
191     */
192    private PanelFeatureState mPreparedPanel;
193
194    /**
195     * The keycode that is currently held down (as a modifier) for chording. If
196     * this is 0, there is no key held down.
197     */
198    private int mPanelChordingKey;
199
200    private ImageView mLeftIconView;
201
202    private ImageView mRightIconView;
203
204    private ProgressBar mCircularProgressBar;
205
206    private ProgressBar mHorizontalProgressBar;
207
208    private int mBackgroundResource = 0;
209
210    private Drawable mBackgroundDrawable;
211
212    private float mElevation;
213
214    private int mFrameResource = 0;
215
216    private int mTextColor = 0;
217    private int mStatusBarColor = 0;
218    private int mNavigationBarColor = 0;
219    private boolean mForcedStatusBarColor = false;
220    private boolean mForcedNavigationBarColor = false;
221
222    private CharSequence mTitle = null;
223
224    private int mTitleColor = 0;
225
226    private boolean mAlwaysReadCloseOnTouchAttr = false;
227
228    private ContextMenuBuilder mContextMenu;
229    private MenuDialogHelper mContextMenuHelper;
230    private boolean mClosingActionMenu;
231
232    private int mVolumeControlStreamType = AudioManager.USE_DEFAULT_STREAM_TYPE;
233    private MediaController mMediaController;
234
235    private AudioManager mAudioManager;
236    private KeyguardManager mKeyguardManager;
237
238    private int mUiOptions = 0;
239
240    private boolean mInvalidatePanelMenuPosted;
241    private int mInvalidatePanelMenuFeatures;
242    private final Runnable mInvalidatePanelMenuRunnable = new Runnable() {
243        @Override public void run() {
244            for (int i = 0; i <= FEATURE_MAX; i++) {
245                if ((mInvalidatePanelMenuFeatures & 1 << i) != 0) {
246                    doInvalidatePanelMenu(i);
247                }
248            }
249            mInvalidatePanelMenuPosted = false;
250            mInvalidatePanelMenuFeatures = 0;
251        }
252    };
253
254    private Transition mEnterTransition;
255    private Transition mExitTransition;
256    private Transition mSharedElementEnterTransition;
257    private Transition mSharedElementExitTransition;
258    private Boolean mAllowExitTransitionOverlap;
259    private Boolean mAllowEnterTransitionOverlap;
260    private long mBackgroundFadeDurationMillis = -1;
261
262    static class WindowManagerHolder {
263        static final IWindowManager sWindowManager = IWindowManager.Stub.asInterface(
264                ServiceManager.getService("window"));
265    }
266
267    static final RotationWatcher sRotationWatcher = new RotationWatcher();
268
269    public PhoneWindow(Context context) {
270        super(context);
271        mLayoutInflater = LayoutInflater.from(context);
272    }
273
274    @Override
275    public final void setContainer(Window container) {
276        super.setContainer(container);
277    }
278
279    @Override
280    public boolean requestFeature(int featureId) {
281        if (mContentParent != null) {
282            throw new AndroidRuntimeException("requestFeature() must be called before adding content");
283        }
284        final int features = getFeatures();
285        final int newFeatures = features | (1 << featureId);
286        if ((newFeatures & (1 << FEATURE_CUSTOM_TITLE)) != 0 &&
287                (newFeatures & ~CUSTOM_TITLE_COMPATIBLE_FEATURES) != 0) {
288            // Another feature is enabled and the user is trying to enable the custom title feature
289            // or custom title feature is enabled and the user is trying to enable another feature
290            throw new AndroidRuntimeException(
291                    "You cannot combine custom titles with other title features");
292        }
293        if ((features & (1 << FEATURE_NO_TITLE)) != 0 && featureId == FEATURE_ACTION_BAR) {
294            return false; // Ignore. No title dominates.
295        }
296        if ((features & (1 << FEATURE_ACTION_BAR)) != 0 && featureId == FEATURE_NO_TITLE) {
297            // Remove the action bar feature if we have no title. No title dominates.
298            removeFeature(FEATURE_ACTION_BAR);
299        }
300
301        if ((features & (1 << FEATURE_ACTION_BAR)) != 0 && featureId == FEATURE_SWIPE_TO_DISMISS) {
302            throw new AndroidRuntimeException(
303                    "You cannot combine swipe dismissal and the action bar.");
304        }
305        if ((features & (1 << FEATURE_SWIPE_TO_DISMISS)) != 0 && featureId == FEATURE_ACTION_BAR) {
306            throw new AndroidRuntimeException(
307                    "You cannot combine swipe dismissal and the action bar.");
308        }
309
310        if (featureId == FEATURE_INDETERMINATE_PROGRESS &&
311                getContext().getPackageManager().hasSystemFeature(PackageManager.FEATURE_WATCH)) {
312            throw new AndroidRuntimeException("You cannot use indeterminate progress on a watch.");
313        }
314        return super.requestFeature(featureId);
315    }
316
317    @Override
318    public void setUiOptions(int uiOptions) {
319        mUiOptions = uiOptions;
320    }
321
322    @Override
323    public void setUiOptions(int uiOptions, int mask) {
324        mUiOptions = (mUiOptions & ~mask) | (uiOptions & mask);
325    }
326
327    @Override
328    public TransitionManager getTransitionManager() {
329        return mTransitionManager;
330    }
331
332    @Override
333    public void setTransitionManager(TransitionManager tm) {
334        mTransitionManager = tm;
335    }
336
337    @Override
338    public Scene getContentScene() {
339        return mContentScene;
340    }
341
342    @Override
343    public void setContentView(int layoutResID) {
344        // Note: FEATURE_CONTENT_TRANSITIONS may be set in the process of installing the window
345        // decor, when theme attributes and the like are crystalized. Do not check the feature
346        // before this happens.
347        if (mContentParent == null) {
348            installDecor();
349        } else if (!hasFeature(FEATURE_CONTENT_TRANSITIONS)) {
350            mContentParent.removeAllViews();
351        }
352
353        if (hasFeature(FEATURE_CONTENT_TRANSITIONS)) {
354            final Scene newScene = Scene.getSceneForLayout(mContentParent, layoutResID,
355                    getContext());
356            transitionTo(newScene);
357        } else {
358            mLayoutInflater.inflate(layoutResID, mContentParent);
359        }
360        final Callback cb = getCallback();
361        if (cb != null && !isDestroyed()) {
362            cb.onContentChanged();
363        }
364    }
365
366    @Override
367    public void setContentView(View view) {
368        setContentView(view, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
369    }
370
371    @Override
372    public void setContentView(View view, ViewGroup.LayoutParams params) {
373        // Note: FEATURE_CONTENT_TRANSITIONS may be set in the process of installing the window
374        // decor, when theme attributes and the like are crystalized. Do not check the feature
375        // before this happens.
376        if (mContentParent == null) {
377            installDecor();
378        } else if (!hasFeature(FEATURE_CONTENT_TRANSITIONS)) {
379            mContentParent.removeAllViews();
380        }
381
382        if (hasFeature(FEATURE_CONTENT_TRANSITIONS)) {
383            view.setLayoutParams(params);
384            final Scene newScene = new Scene(mContentParent, view);
385            transitionTo(newScene);
386        } else {
387            mContentParent.addView(view, params);
388        }
389        final Callback cb = getCallback();
390        if (cb != null && !isDestroyed()) {
391            cb.onContentChanged();
392        }
393    }
394
395    @Override
396    public void addContentView(View view, ViewGroup.LayoutParams params) {
397        if (mContentParent == null) {
398            installDecor();
399        }
400        if (hasFeature(FEATURE_CONTENT_TRANSITIONS)) {
401            // TODO Augment the scenes/transitions API to support this.
402            Log.v(TAG, "addContentView does not support content transitions");
403        }
404        mContentParent.addView(view, params);
405        final Callback cb = getCallback();
406        if (cb != null && !isDestroyed()) {
407            cb.onContentChanged();
408        }
409    }
410
411    private void transitionTo(Scene scene) {
412        if (mContentScene == null) {
413            scene.enter();
414        } else {
415            mTransitionManager.transitionTo(scene);
416        }
417        mContentScene = scene;
418    }
419
420    @Override
421    public View getCurrentFocus() {
422        return mDecor != null ? mDecor.findFocus() : null;
423    }
424
425    @Override
426    public void takeSurface(SurfaceHolder.Callback2 callback) {
427        mTakeSurfaceCallback = callback;
428    }
429
430    public void takeInputQueue(InputQueue.Callback callback) {
431        mTakeInputQueueCallback = callback;
432    }
433
434    @Override
435    public boolean isFloating() {
436        return mIsFloating;
437    }
438
439    /**
440     * Return a LayoutInflater instance that can be used to inflate XML view layout
441     * resources for use in this Window.
442     *
443     * @return LayoutInflater The shared LayoutInflater.
444     */
445    @Override
446    public LayoutInflater getLayoutInflater() {
447        return mLayoutInflater;
448    }
449
450    @Override
451    public void setTitle(CharSequence title) {
452        if (mTitleView != null) {
453            mTitleView.setText(title);
454        } else if (mDecorContentParent != null) {
455            mDecorContentParent.setWindowTitle(title);
456        }
457        mTitle = title;
458    }
459
460    @Override
461    @Deprecated
462    public void setTitleColor(int textColor) {
463        if (mTitleView != null) {
464            mTitleView.setTextColor(textColor);
465        }
466        mTitleColor = textColor;
467    }
468
469    /**
470     * Prepares the panel to either be opened or chorded. This creates the Menu
471     * instance for the panel and populates it via the Activity callbacks.
472     *
473     * @param st The panel state to prepare.
474     * @param event The event that triggered the preparing of the panel.
475     * @return Whether the panel was prepared. If the panel should not be shown,
476     *         returns false.
477     */
478    public final boolean preparePanel(PanelFeatureState st, KeyEvent event) {
479        if (isDestroyed()) {
480            return false;
481        }
482
483        // Already prepared (isPrepared will be reset to false later)
484        if (st.isPrepared) {
485            return true;
486        }
487
488        if ((mPreparedPanel != null) && (mPreparedPanel != st)) {
489            // Another Panel is prepared and possibly open, so close it
490            closePanel(mPreparedPanel, false);
491        }
492
493        final Callback cb = getCallback();
494
495        if (cb != null) {
496            st.createdPanelView = cb.onCreatePanelView(st.featureId);
497        }
498
499        final boolean isActionBarMenu =
500                (st.featureId == FEATURE_OPTIONS_PANEL || st.featureId == FEATURE_ACTION_BAR);
501
502        if (isActionBarMenu && mDecorContentParent != null) {
503            // Enforce ordering guarantees around events so that the action bar never
504            // dispatches menu-related events before the panel is prepared.
505            mDecorContentParent.setMenuPrepared();
506        }
507
508        if (st.createdPanelView == null) {
509            // Init the panel state's menu--return false if init failed
510            if (st.menu == null || st.refreshMenuContent) {
511                if (st.menu == null) {
512                    if (!initializePanelMenu(st) || (st.menu == null)) {
513                        return false;
514                    }
515                }
516
517                if (isActionBarMenu && mDecorContentParent != null) {
518                    if (mActionMenuPresenterCallback == null) {
519                        mActionMenuPresenterCallback = new ActionMenuPresenterCallback();
520                    }
521                    mDecorContentParent.setMenu(st.menu, mActionMenuPresenterCallback);
522                }
523
524                // Call callback, and return if it doesn't want to display menu.
525
526                // Creating the panel menu will involve a lot of manipulation;
527                // don't dispatch change events to presenters until we're done.
528                st.menu.stopDispatchingItemsChanged();
529                if ((cb == null) || !cb.onCreatePanelMenu(st.featureId, st.menu)) {
530                    // Ditch the menu created above
531                    st.setMenu(null);
532
533                    if (isActionBarMenu && mDecorContentParent != null) {
534                        // Don't show it in the action bar either
535                        mDecorContentParent.setMenu(null, mActionMenuPresenterCallback);
536                    }
537
538                    return false;
539                }
540
541                st.refreshMenuContent = false;
542            }
543
544            // Callback and return if the callback does not want to show the menu
545
546            // Preparing the panel menu can involve a lot of manipulation;
547            // don't dispatch change events to presenters until we're done.
548            st.menu.stopDispatchingItemsChanged();
549
550            // Restore action view state before we prepare. This gives apps
551            // an opportunity to override frozen/restored state in onPrepare.
552            if (st.frozenActionViewState != null) {
553                st.menu.restoreActionViewStates(st.frozenActionViewState);
554                st.frozenActionViewState = null;
555            }
556
557            if (!cb.onPreparePanel(st.featureId, st.createdPanelView, st.menu)) {
558                if (isActionBarMenu && mDecorContentParent != null) {
559                    // The app didn't want to show the menu for now but it still exists.
560                    // Clear it out of the action bar.
561                    mDecorContentParent.setMenu(null, mActionMenuPresenterCallback);
562                }
563                st.menu.startDispatchingItemsChanged();
564                return false;
565            }
566
567            // Set the proper keymap
568            KeyCharacterMap kmap = KeyCharacterMap.load(
569                    event != null ? event.getDeviceId() : KeyCharacterMap.VIRTUAL_KEYBOARD);
570            st.qwertyMode = kmap.getKeyboardType() != KeyCharacterMap.NUMERIC;
571            st.menu.setQwertyMode(st.qwertyMode);
572            st.menu.startDispatchingItemsChanged();
573        }
574
575        // Set other state
576        st.isPrepared = true;
577        st.isHandled = false;
578        mPreparedPanel = st;
579
580        return true;
581    }
582
583    @Override
584    public void onConfigurationChanged(Configuration newConfig) {
585        // Action bars handle their own menu state
586        if (mDecorContentParent == null) {
587            PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
588            if ((st != null) && (st.menu != null)) {
589                if (st.isOpen) {
590                    // Freeze state
591                    final Bundle state = new Bundle();
592                    if (st.iconMenuPresenter != null) {
593                        st.iconMenuPresenter.saveHierarchyState(state);
594                    }
595                    if (st.listMenuPresenter != null) {
596                        st.listMenuPresenter.saveHierarchyState(state);
597                    }
598
599                    // Remove the menu views since they need to be recreated
600                    // according to the new configuration
601                    clearMenuViews(st);
602
603                    // Re-open the same menu
604                    reopenMenu(false);
605
606                    // Restore state
607                    if (st.iconMenuPresenter != null) {
608                        st.iconMenuPresenter.restoreHierarchyState(state);
609                    }
610                    if (st.listMenuPresenter != null) {
611                        st.listMenuPresenter.restoreHierarchyState(state);
612                    }
613
614                } else {
615                    // Clear menu views so on next menu opening, it will use
616                    // the proper layout
617                    clearMenuViews(st);
618                }
619            }
620        }
621    }
622
623    private static void clearMenuViews(PanelFeatureState st) {
624        // This can be called on config changes, so we should make sure
625        // the views will be reconstructed based on the new orientation, etc.
626
627        // Allow the callback to create a new panel view
628        st.createdPanelView = null;
629
630        // Causes the decor view to be recreated
631        st.refreshDecorView = true;
632
633        st.clearMenuPresenters();
634    }
635
636    @Override
637    public final void openPanel(int featureId, KeyEvent event) {
638        if (featureId == FEATURE_OPTIONS_PANEL && mDecorContentParent != null &&
639                mDecorContentParent.canShowOverflowMenu() &&
640                !ViewConfiguration.get(getContext()).hasPermanentMenuKey()) {
641            mDecorContentParent.showOverflowMenu();
642        } else {
643            openPanel(getPanelState(featureId, true), event);
644        }
645    }
646
647    private void openPanel(final PanelFeatureState st, KeyEvent event) {
648        // System.out.println("Open panel: isOpen=" + st.isOpen);
649
650        // Already open, return
651        if (st.isOpen || isDestroyed()) {
652            return;
653        }
654
655        // Don't open an options panel for honeycomb apps on xlarge devices.
656        // (The app should be using an action bar for menu items.)
657        if (st.featureId == FEATURE_OPTIONS_PANEL) {
658            Context context = getContext();
659            Configuration config = context.getResources().getConfiguration();
660            boolean isXLarge = (config.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) ==
661                    Configuration.SCREENLAYOUT_SIZE_XLARGE;
662            boolean isHoneycombApp = context.getApplicationInfo().targetSdkVersion >=
663                    android.os.Build.VERSION_CODES.HONEYCOMB;
664
665            if (isXLarge && isHoneycombApp) {
666                return;
667            }
668        }
669
670        Callback cb = getCallback();
671        if ((cb != null) && (!cb.onMenuOpened(st.featureId, st.menu))) {
672            // Callback doesn't want the menu to open, reset any state
673            closePanel(st, true);
674            return;
675        }
676
677        final WindowManager wm = getWindowManager();
678        if (wm == null) {
679            return;
680        }
681
682        // Prepare panel (should have been done before, but just in case)
683        if (!preparePanel(st, event)) {
684            return;
685        }
686
687        int width = WRAP_CONTENT;
688        if (st.decorView == null || st.refreshDecorView) {
689            if (st.decorView == null) {
690                // Initialize the panel decor, this will populate st.decorView
691                if (!initializePanelDecor(st) || (st.decorView == null))
692                    return;
693            } else if (st.refreshDecorView && (st.decorView.getChildCount() > 0)) {
694                // Decor needs refreshing, so remove its views
695                st.decorView.removeAllViews();
696            }
697
698            // This will populate st.shownPanelView
699            if (!initializePanelContent(st) || !st.hasPanelItems()) {
700                return;
701            }
702
703            ViewGroup.LayoutParams lp = st.shownPanelView.getLayoutParams();
704            if (lp == null) {
705                lp = new ViewGroup.LayoutParams(WRAP_CONTENT, WRAP_CONTENT);
706            }
707
708            int backgroundResId;
709            if (lp.width == ViewGroup.LayoutParams.MATCH_PARENT) {
710                // If the contents is fill parent for the width, set the
711                // corresponding background
712                backgroundResId = st.fullBackground;
713                width = MATCH_PARENT;
714            } else {
715                // Otherwise, set the normal panel background
716                backgroundResId = st.background;
717            }
718            st.decorView.setWindowBackground(getContext().getDrawable(
719                    backgroundResId));
720
721            ViewParent shownPanelParent = st.shownPanelView.getParent();
722            if (shownPanelParent != null && shownPanelParent instanceof ViewGroup) {
723                ((ViewGroup) shownPanelParent).removeView(st.shownPanelView);
724            }
725            st.decorView.addView(st.shownPanelView, lp);
726
727            /*
728             * Give focus to the view, if it or one of its children does not
729             * already have it.
730             */
731            if (!st.shownPanelView.hasFocus()) {
732                st.shownPanelView.requestFocus();
733            }
734        } else if (!st.isInListMode()) {
735            width = MATCH_PARENT;
736        } else if (st.createdPanelView != null) {
737            // If we already had a panel view, carry width=MATCH_PARENT through
738            // as we did above when it was created.
739            ViewGroup.LayoutParams lp = st.createdPanelView.getLayoutParams();
740            if (lp != null && lp.width == ViewGroup.LayoutParams.MATCH_PARENT) {
741                width = MATCH_PARENT;
742            }
743        }
744
745        st.isHandled = false;
746
747        WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
748                width, WRAP_CONTENT,
749                st.x, st.y, WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG,
750                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
751                | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,
752                st.decorView.mDefaultOpacity);
753
754        if (st.isCompact) {
755            lp.gravity = getOptionsPanelGravity();
756            sRotationWatcher.addWindow(this);
757        } else {
758            lp.gravity = st.gravity;
759        }
760
761        lp.windowAnimations = st.windowAnimations;
762
763        wm.addView(st.decorView, lp);
764        st.isOpen = true;
765        // Log.v(TAG, "Adding main menu to window manager.");
766    }
767
768    @Override
769    public final void closePanel(int featureId) {
770        if (featureId == FEATURE_OPTIONS_PANEL && mDecorContentParent != null &&
771                mDecorContentParent.canShowOverflowMenu() &&
772                !ViewConfiguration.get(getContext()).hasPermanentMenuKey()) {
773            mDecorContentParent.hideOverflowMenu();
774        } else if (featureId == FEATURE_CONTEXT_MENU) {
775            closeContextMenu();
776        } else {
777            closePanel(getPanelState(featureId, true), true);
778        }
779    }
780
781    /**
782     * Closes the given panel.
783     *
784     * @param st The panel to be closed.
785     * @param doCallback Whether to notify the callback that the panel was
786     *            closed. If the panel is in the process of re-opening or
787     *            opening another panel (e.g., menu opening a sub menu), the
788     *            callback should not happen and this variable should be false.
789     *            In addition, this method internally will only perform the
790     *            callback if the panel is open.
791     */
792    public final void closePanel(PanelFeatureState st, boolean doCallback) {
793        // System.out.println("Close panel: isOpen=" + st.isOpen);
794        if (doCallback && st.featureId == FEATURE_OPTIONS_PANEL &&
795                mDecorContentParent != null && mDecorContentParent.isOverflowMenuShowing()) {
796            checkCloseActionMenu(st.menu);
797            return;
798        }
799
800        final ViewManager wm = getWindowManager();
801        if ((wm != null) && st.isOpen) {
802            if (st.decorView != null) {
803                wm.removeView(st.decorView);
804                // Log.v(TAG, "Removing main menu from window manager.");
805                if (st.isCompact) {
806                    sRotationWatcher.removeWindow(this);
807                }
808            }
809
810            if (doCallback) {
811                callOnPanelClosed(st.featureId, st, null);
812            }
813        }
814
815        st.isPrepared = false;
816        st.isHandled = false;
817        st.isOpen = false;
818
819        // This view is no longer shown, so null it out
820        st.shownPanelView = null;
821
822        if (st.isInExpandedMode) {
823            // Next time the menu opens, it should not be in expanded mode, so
824            // force a refresh of the decor
825            st.refreshDecorView = true;
826            st.isInExpandedMode = false;
827        }
828
829        if (mPreparedPanel == st) {
830            mPreparedPanel = null;
831            mPanelChordingKey = 0;
832        }
833    }
834
835    void checkCloseActionMenu(Menu menu) {
836        if (mClosingActionMenu) {
837            return;
838        }
839
840        mClosingActionMenu = true;
841        mDecorContentParent.dismissPopups();
842        Callback cb = getCallback();
843        if (cb != null && !isDestroyed()) {
844            cb.onPanelClosed(FEATURE_ACTION_BAR, menu);
845        }
846        mClosingActionMenu = false;
847    }
848
849    @Override
850    public final void togglePanel(int featureId, KeyEvent event) {
851        PanelFeatureState st = getPanelState(featureId, true);
852        if (st.isOpen) {
853            closePanel(st, true);
854        } else {
855            openPanel(st, event);
856        }
857    }
858
859    @Override
860    public void invalidatePanelMenu(int featureId) {
861        mInvalidatePanelMenuFeatures |= 1 << featureId;
862
863        if (!mInvalidatePanelMenuPosted && mDecor != null) {
864            mDecor.postOnAnimation(mInvalidatePanelMenuRunnable);
865            mInvalidatePanelMenuPosted = true;
866        }
867    }
868
869    void doInvalidatePanelMenu(int featureId) {
870        PanelFeatureState st = getPanelState(featureId, true);
871        Bundle savedActionViewStates = null;
872        if (st.menu != null) {
873            savedActionViewStates = new Bundle();
874            st.menu.saveActionViewStates(savedActionViewStates);
875            if (savedActionViewStates.size() > 0) {
876                st.frozenActionViewState = savedActionViewStates;
877            }
878            // This will be started again when the panel is prepared.
879            st.menu.stopDispatchingItemsChanged();
880            st.menu.clear();
881        }
882        st.refreshMenuContent = true;
883        st.refreshDecorView = true;
884
885        // Prepare the options panel if we have an action bar
886        if ((featureId == FEATURE_ACTION_BAR || featureId == FEATURE_OPTIONS_PANEL)
887                && mDecorContentParent != null) {
888            st = getPanelState(Window.FEATURE_OPTIONS_PANEL, false);
889            if (st != null) {
890                st.isPrepared = false;
891                preparePanel(st, null);
892            }
893        }
894    }
895
896    /**
897     * Called when the panel key is pushed down.
898     * @param featureId The feature ID of the relevant panel (defaults to FEATURE_OPTIONS_PANEL}.
899     * @param event The key event.
900     * @return Whether the key was handled.
901     */
902    public final boolean onKeyDownPanel(int featureId, KeyEvent event) {
903        final int keyCode = event.getKeyCode();
904
905        if (event.getRepeatCount() == 0) {
906            // The panel key was pushed, so set the chording key
907            mPanelChordingKey = keyCode;
908
909            PanelFeatureState st = getPanelState(featureId, true);
910            if (!st.isOpen) {
911                return preparePanel(st, event);
912            }
913        }
914
915        return false;
916    }
917
918    /**
919     * Called when the panel key is released.
920     * @param featureId The feature ID of the relevant panel (defaults to FEATURE_OPTIONS_PANEL}.
921     * @param event The key event.
922     */
923    public final void onKeyUpPanel(int featureId, KeyEvent event) {
924        // The panel key was released, so clear the chording key
925        if (mPanelChordingKey != 0) {
926            mPanelChordingKey = 0;
927
928            if (event.isCanceled() || (mDecor != null && mDecor.mActionMode != null)) {
929                return;
930            }
931
932            boolean playSoundEffect = false;
933            final PanelFeatureState st = getPanelState(featureId, true);
934            if (featureId == FEATURE_OPTIONS_PANEL && mDecorContentParent != null &&
935                    mDecorContentParent.canShowOverflowMenu() &&
936                    !ViewConfiguration.get(getContext()).hasPermanentMenuKey()) {
937                if (!mDecorContentParent.isOverflowMenuShowing()) {
938                    if (!isDestroyed() && preparePanel(st, event)) {
939                        playSoundEffect = mDecorContentParent.showOverflowMenu();
940                    }
941                } else {
942                    playSoundEffect = mDecorContentParent.hideOverflowMenu();
943                }
944            } else {
945                if (st.isOpen || st.isHandled) {
946
947                    // Play the sound effect if the user closed an open menu (and not if
948                    // they just released a menu shortcut)
949                    playSoundEffect = st.isOpen;
950
951                    // Close menu
952                    closePanel(st, true);
953
954                } else if (st.isPrepared) {
955                    boolean show = true;
956                    if (st.refreshMenuContent) {
957                        // Something may have invalidated the menu since we prepared it.
958                        // Re-prepare it to refresh.
959                        st.isPrepared = false;
960                        show = preparePanel(st, event);
961                    }
962
963                    if (show) {
964                        // Write 'menu opened' to event log
965                        EventLog.writeEvent(50001, 0);
966
967                        // Show menu
968                        openPanel(st, event);
969
970                        playSoundEffect = true;
971                    }
972                }
973            }
974
975            if (playSoundEffect) {
976                AudioManager audioManager = (AudioManager) getContext().getSystemService(
977                        Context.AUDIO_SERVICE);
978                if (audioManager != null) {
979                    audioManager.playSoundEffect(AudioManager.FX_KEY_CLICK);
980                } else {
981                    Log.w(TAG, "Couldn't get audio manager");
982                }
983            }
984        }
985    }
986
987    @Override
988    public final void closeAllPanels() {
989        final ViewManager wm = getWindowManager();
990        if (wm == null) {
991            return;
992        }
993
994        final PanelFeatureState[] panels = mPanels;
995        final int N = panels != null ? panels.length : 0;
996        for (int i = 0; i < N; i++) {
997            final PanelFeatureState panel = panels[i];
998            if (panel != null) {
999                closePanel(panel, true);
1000            }
1001        }
1002
1003        closeContextMenu();
1004    }
1005
1006    /**
1007     * Closes the context menu. This notifies the menu logic of the close, along
1008     * with dismissing it from the UI.
1009     */
1010    private synchronized void closeContextMenu() {
1011        if (mContextMenu != null) {
1012            mContextMenu.close();
1013            dismissContextMenu();
1014        }
1015    }
1016
1017    /**
1018     * Dismisses just the context menu UI. To close the context menu, use
1019     * {@link #closeContextMenu()}.
1020     */
1021    private synchronized void dismissContextMenu() {
1022        mContextMenu = null;
1023
1024        if (mContextMenuHelper != null) {
1025            mContextMenuHelper.dismiss();
1026            mContextMenuHelper = null;
1027        }
1028    }
1029
1030    @Override
1031    public boolean performPanelShortcut(int featureId, int keyCode, KeyEvent event, int flags) {
1032        return performPanelShortcut(getPanelState(featureId, true), keyCode, event, flags);
1033    }
1034
1035    private boolean performPanelShortcut(PanelFeatureState st, int keyCode, KeyEvent event,
1036            int flags) {
1037        if (event.isSystem() || (st == null)) {
1038            return false;
1039        }
1040
1041        boolean handled = false;
1042
1043        // Only try to perform menu shortcuts if preparePanel returned true (possible false
1044        // return value from application not wanting to show the menu).
1045        if ((st.isPrepared || preparePanel(st, event)) && st.menu != null) {
1046            // The menu is prepared now, perform the shortcut on it
1047            handled = st.menu.performShortcut(keyCode, event, flags);
1048        }
1049
1050        if (handled) {
1051            // Mark as handled
1052            st.isHandled = true;
1053
1054            // Only close down the menu if we don't have an action bar keeping it open.
1055            if ((flags & Menu.FLAG_PERFORM_NO_CLOSE) == 0 && mDecorContentParent == null) {
1056                closePanel(st, true);
1057            }
1058        }
1059
1060        return handled;
1061    }
1062
1063    @Override
1064    public boolean performPanelIdentifierAction(int featureId, int id, int flags) {
1065
1066        PanelFeatureState st = getPanelState(featureId, true);
1067        if (!preparePanel(st, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU))) {
1068            return false;
1069        }
1070        if (st.menu == null) {
1071            return false;
1072        }
1073
1074        boolean res = st.menu.performIdentifierAction(id, flags);
1075
1076        // Only close down the menu if we don't have an action bar keeping it open.
1077        if (mDecorContentParent == null) {
1078            closePanel(st, true);
1079        }
1080
1081        return res;
1082    }
1083
1084    public PanelFeatureState findMenuPanel(Menu menu) {
1085        final PanelFeatureState[] panels = mPanels;
1086        final int N = panels != null ? panels.length : 0;
1087        for (int i = 0; i < N; i++) {
1088            final PanelFeatureState panel = panels[i];
1089            if (panel != null && panel.menu == menu) {
1090                return panel;
1091            }
1092        }
1093        return null;
1094    }
1095
1096    public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
1097        final Callback cb = getCallback();
1098        if (cb != null && !isDestroyed()) {
1099            final PanelFeatureState panel = findMenuPanel(menu.getRootMenu());
1100            if (panel != null) {
1101                return cb.onMenuItemSelected(panel.featureId, item);
1102            }
1103        }
1104        return false;
1105    }
1106
1107    public void onMenuModeChange(MenuBuilder menu) {
1108        reopenMenu(true);
1109    }
1110
1111    private void reopenMenu(boolean toggleMenuMode) {
1112        if (mDecorContentParent != null && mDecorContentParent.canShowOverflowMenu() &&
1113                (!ViewConfiguration.get(getContext()).hasPermanentMenuKey() ||
1114                        mDecorContentParent.isOverflowMenuShowPending())) {
1115            final Callback cb = getCallback();
1116            if (!mDecorContentParent.isOverflowMenuShowing() || !toggleMenuMode) {
1117                if (cb != null && !isDestroyed()) {
1118                    // If we have a menu invalidation pending, do it now.
1119                    if (mInvalidatePanelMenuPosted &&
1120                            (mInvalidatePanelMenuFeatures & (1 << FEATURE_OPTIONS_PANEL)) != 0) {
1121                        mDecor.removeCallbacks(mInvalidatePanelMenuRunnable);
1122                        mInvalidatePanelMenuRunnable.run();
1123                    }
1124
1125                    final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
1126
1127                    // If we don't have a menu or we're waiting for a full content refresh,
1128                    // forget it. This is a lingering event that no longer matters.
1129                    if (st.menu != null && !st.refreshMenuContent &&
1130                            cb.onPreparePanel(FEATURE_OPTIONS_PANEL, st.createdPanelView, st.menu)) {
1131                        cb.onMenuOpened(FEATURE_ACTION_BAR, st.menu);
1132                        mDecorContentParent.showOverflowMenu();
1133                    }
1134                }
1135            } else {
1136                mDecorContentParent.hideOverflowMenu();
1137                if (cb != null && !isDestroyed()) {
1138                    final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
1139                    cb.onPanelClosed(FEATURE_ACTION_BAR, st.menu);
1140                }
1141            }
1142            return;
1143        }
1144
1145        PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
1146
1147        // Save the future expanded mode state since closePanel will reset it
1148        boolean newExpandedMode = toggleMenuMode ? !st.isInExpandedMode : st.isInExpandedMode;
1149
1150        st.refreshDecorView = true;
1151        closePanel(st, false);
1152
1153        // Set the expanded mode state
1154        st.isInExpandedMode = newExpandedMode;
1155
1156        openPanel(st, null);
1157    }
1158
1159    /**
1160     * Initializes the menu associated with the given panel feature state. You
1161     * must at the very least set PanelFeatureState.menu to the Menu to be
1162     * associated with the given panel state. The default implementation creates
1163     * a new menu for the panel state.
1164     *
1165     * @param st The panel whose menu is being initialized.
1166     * @return Whether the initialization was successful.
1167     */
1168    protected boolean initializePanelMenu(final PanelFeatureState st) {
1169        Context context = getContext();
1170
1171        // If we have an action bar, initialize the menu with the right theme.
1172        if ((st.featureId == FEATURE_OPTIONS_PANEL || st.featureId == FEATURE_ACTION_BAR) &&
1173                mDecorContentParent != null) {
1174            final TypedValue outValue = new TypedValue();
1175            final Theme baseTheme = context.getTheme();
1176            baseTheme.resolveAttribute(com.android.internal.R.attr.actionBarTheme, outValue, true);
1177
1178            Theme widgetTheme = null;
1179            if (outValue.resourceId != 0) {
1180                widgetTheme = context.getResources().newTheme();
1181                widgetTheme.setTo(baseTheme);
1182                widgetTheme.applyStyle(outValue.resourceId, true);
1183                widgetTheme.resolveAttribute(
1184                        com.android.internal.R.attr.actionBarWidgetTheme, outValue, true);
1185            } else {
1186                baseTheme.resolveAttribute(
1187                        com.android.internal.R.attr.actionBarWidgetTheme, outValue, true);
1188            }
1189
1190            if (outValue.resourceId != 0) {
1191                if (widgetTheme == null) {
1192                    widgetTheme = context.getResources().newTheme();
1193                    widgetTheme.setTo(baseTheme);
1194                }
1195                widgetTheme.applyStyle(outValue.resourceId, true);
1196            }
1197
1198            if (widgetTheme != null) {
1199                context = new ContextThemeWrapper(context, 0);
1200                context.getTheme().setTo(widgetTheme);
1201            }
1202        }
1203
1204        final MenuBuilder menu = new MenuBuilder(context);
1205        menu.setCallback(this);
1206        st.setMenu(menu);
1207
1208        return true;
1209    }
1210
1211    /**
1212     * Perform initial setup of a panel. This should at the very least set the
1213     * style information in the PanelFeatureState and must set
1214     * PanelFeatureState.decor to the panel's window decor view.
1215     *
1216     * @param st The panel being initialized.
1217     */
1218    protected boolean initializePanelDecor(PanelFeatureState st) {
1219        st.decorView = new DecorView(getContext(), st.featureId);
1220        st.gravity = Gravity.CENTER | Gravity.BOTTOM;
1221        st.setStyle(getContext());
1222
1223        return true;
1224    }
1225
1226    /**
1227     * Determine the gravity value for the options panel. This can
1228     * differ in compact mode.
1229     *
1230     * @return gravity value to use for the panel window
1231     */
1232    private int getOptionsPanelGravity() {
1233        try {
1234            return WindowManagerHolder.sWindowManager.getPreferredOptionsPanelGravity();
1235        } catch (RemoteException ex) {
1236            Log.e(TAG, "Couldn't getOptionsPanelGravity; using default", ex);
1237            return Gravity.CENTER | Gravity.BOTTOM;
1238        }
1239    }
1240
1241    void onOptionsPanelRotationChanged() {
1242        final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
1243        if (st == null) return;
1244
1245        final WindowManager.LayoutParams lp = st.decorView != null ?
1246                (WindowManager.LayoutParams) st.decorView.getLayoutParams() : null;
1247        if (lp != null) {
1248            lp.gravity = getOptionsPanelGravity();
1249            final ViewManager wm = getWindowManager();
1250            if (wm != null) {
1251                wm.updateViewLayout(st.decorView, lp);
1252            }
1253        }
1254    }
1255
1256    /**
1257     * Initializes the panel associated with the panel feature state. You must
1258     * at the very least set PanelFeatureState.panel to the View implementing
1259     * its contents. The default implementation gets the panel from the menu.
1260     *
1261     * @param st The panel state being initialized.
1262     * @return Whether the initialization was successful.
1263     */
1264    protected boolean initializePanelContent(PanelFeatureState st) {
1265        if (st.createdPanelView != null) {
1266            st.shownPanelView = st.createdPanelView;
1267            return true;
1268        }
1269
1270        if (st.menu == null) {
1271            return false;
1272        }
1273
1274        if (mPanelMenuPresenterCallback == null) {
1275            mPanelMenuPresenterCallback = new PanelMenuPresenterCallback();
1276        }
1277
1278        MenuView menuView = st.isInListMode()
1279                ? st.getListMenuView(getContext(), mPanelMenuPresenterCallback)
1280                : st.getIconMenuView(getContext(), mPanelMenuPresenterCallback);
1281
1282        st.shownPanelView = (View) menuView;
1283
1284        if (st.shownPanelView != null) {
1285            // Use the menu View's default animations if it has any
1286            final int defaultAnimations = menuView.getWindowAnimations();
1287            if (defaultAnimations != 0) {
1288                st.windowAnimations = defaultAnimations;
1289            }
1290            return true;
1291        } else {
1292            return false;
1293        }
1294    }
1295
1296    @Override
1297    public boolean performContextMenuIdentifierAction(int id, int flags) {
1298        return (mContextMenu != null) ? mContextMenu.performIdentifierAction(id, flags) : false;
1299    }
1300
1301    @Override
1302    public final void setBackgroundDrawable(Drawable drawable) {
1303        if (drawable != mBackgroundDrawable || mBackgroundResource != 0) {
1304            mBackgroundResource = 0;
1305            mBackgroundDrawable = drawable;
1306            if (mDecor != null) {
1307                mDecor.setWindowBackground(drawable);
1308            }
1309        }
1310    }
1311
1312    @Override
1313    public final void setFeatureDrawableResource(int featureId, int resId) {
1314        if (resId != 0) {
1315            DrawableFeatureState st = getDrawableState(featureId, true);
1316            if (st.resid != resId) {
1317                st.resid = resId;
1318                st.uri = null;
1319                st.local = getContext().getDrawable(resId);
1320                updateDrawable(featureId, st, false);
1321            }
1322        } else {
1323            setFeatureDrawable(featureId, null);
1324        }
1325    }
1326
1327    @Override
1328    public final void setFeatureDrawableUri(int featureId, Uri uri) {
1329        if (uri != null) {
1330            DrawableFeatureState st = getDrawableState(featureId, true);
1331            if (st.uri == null || !st.uri.equals(uri)) {
1332                st.resid = 0;
1333                st.uri = uri;
1334                st.local = loadImageURI(uri);
1335                updateDrawable(featureId, st, false);
1336            }
1337        } else {
1338            setFeatureDrawable(featureId, null);
1339        }
1340    }
1341
1342    @Override
1343    public final void setFeatureDrawable(int featureId, Drawable drawable) {
1344        DrawableFeatureState st = getDrawableState(featureId, true);
1345        st.resid = 0;
1346        st.uri = null;
1347        if (st.local != drawable) {
1348            st.local = drawable;
1349            updateDrawable(featureId, st, false);
1350        }
1351    }
1352
1353    @Override
1354    public void setFeatureDrawableAlpha(int featureId, int alpha) {
1355        DrawableFeatureState st = getDrawableState(featureId, true);
1356        if (st.alpha != alpha) {
1357            st.alpha = alpha;
1358            updateDrawable(featureId, st, false);
1359        }
1360    }
1361
1362    protected final void setFeatureDefaultDrawable(int featureId, Drawable drawable) {
1363        DrawableFeatureState st = getDrawableState(featureId, true);
1364        if (st.def != drawable) {
1365            st.def = drawable;
1366            updateDrawable(featureId, st, false);
1367        }
1368    }
1369
1370    @Override
1371    public final void setFeatureInt(int featureId, int value) {
1372        // XXX Should do more management (as with drawable features) to
1373        // deal with interactions between multiple window policies.
1374        updateInt(featureId, value, false);
1375    }
1376
1377    /**
1378     * Update the state of a drawable feature. This should be called, for every
1379     * drawable feature supported, as part of onActive(), to make sure that the
1380     * contents of a containing window is properly updated.
1381     *
1382     * @see #onActive
1383     * @param featureId The desired drawable feature to change.
1384     * @param fromActive Always true when called from onActive().
1385     */
1386    protected final void updateDrawable(int featureId, boolean fromActive) {
1387        final DrawableFeatureState st = getDrawableState(featureId, false);
1388        if (st != null) {
1389            updateDrawable(featureId, st, fromActive);
1390        }
1391    }
1392
1393    /**
1394     * Called when a Drawable feature changes, for the window to update its
1395     * graphics.
1396     *
1397     * @param featureId The feature being changed.
1398     * @param drawable The new Drawable to show, or null if none.
1399     * @param alpha The new alpha blending of the Drawable.
1400     */
1401    protected void onDrawableChanged(int featureId, Drawable drawable, int alpha) {
1402        ImageView view;
1403        if (featureId == FEATURE_LEFT_ICON) {
1404            view = getLeftIconView();
1405        } else if (featureId == FEATURE_RIGHT_ICON) {
1406            view = getRightIconView();
1407        } else {
1408            return;
1409        }
1410
1411        if (drawable != null) {
1412            drawable.setAlpha(alpha);
1413            view.setImageDrawable(drawable);
1414            view.setVisibility(View.VISIBLE);
1415        } else {
1416            view.setVisibility(View.GONE);
1417        }
1418    }
1419
1420    /**
1421     * Called when an int feature changes, for the window to update its
1422     * graphics.
1423     *
1424     * @param featureId The feature being changed.
1425     * @param value The new integer value.
1426     */
1427    protected void onIntChanged(int featureId, int value) {
1428        if (featureId == FEATURE_PROGRESS || featureId == FEATURE_INDETERMINATE_PROGRESS) {
1429            updateProgressBars(value);
1430        } else if (featureId == FEATURE_CUSTOM_TITLE) {
1431            FrameLayout titleContainer = (FrameLayout) findViewById(com.android.internal.R.id.title_container);
1432            if (titleContainer != null) {
1433                mLayoutInflater.inflate(value, titleContainer);
1434            }
1435        }
1436    }
1437
1438    /**
1439     * Updates the progress bars that are shown in the title bar.
1440     *
1441     * @param value Can be one of {@link Window#PROGRESS_VISIBILITY_ON},
1442     *            {@link Window#PROGRESS_VISIBILITY_OFF},
1443     *            {@link Window#PROGRESS_INDETERMINATE_ON},
1444     *            {@link Window#PROGRESS_INDETERMINATE_OFF}, or a value
1445     *            starting at {@link Window#PROGRESS_START} through
1446     *            {@link Window#PROGRESS_END} for setting the default
1447     *            progress (if {@link Window#PROGRESS_END} is given,
1448     *            the progress bar widgets in the title will be hidden after an
1449     *            animation), a value between
1450     *            {@link Window#PROGRESS_SECONDARY_START} -
1451     *            {@link Window#PROGRESS_SECONDARY_END} for the
1452     *            secondary progress (if
1453     *            {@link Window#PROGRESS_SECONDARY_END} is given, the
1454     *            progress bar widgets will still be shown with the secondary
1455     *            progress bar will be completely filled in.)
1456     */
1457    private void updateProgressBars(int value) {
1458        ProgressBar circularProgressBar = getCircularProgressBar(true);
1459        ProgressBar horizontalProgressBar = getHorizontalProgressBar(true);
1460
1461        final int features = getLocalFeatures();
1462        if (value == PROGRESS_VISIBILITY_ON) {
1463            if ((features & (1 << FEATURE_PROGRESS)) != 0) {
1464                if (horizontalProgressBar != null) {
1465                    int level = horizontalProgressBar.getProgress();
1466                    int visibility = (horizontalProgressBar.isIndeterminate() || level < 10000) ?
1467                            View.VISIBLE : View.INVISIBLE;
1468                    horizontalProgressBar.setVisibility(visibility);
1469                } else {
1470                    Log.e(TAG, "Horizontal progress bar not located in current window decor");
1471                }
1472            }
1473            if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
1474                if (circularProgressBar != null) {
1475                    circularProgressBar.setVisibility(View.VISIBLE);
1476                } else {
1477                    Log.e(TAG, "Circular progress bar not located in current window decor");
1478                }
1479            }
1480        } else if (value == PROGRESS_VISIBILITY_OFF) {
1481            if ((features & (1 << FEATURE_PROGRESS)) != 0) {
1482                if (horizontalProgressBar != null) {
1483                    horizontalProgressBar.setVisibility(View.GONE);
1484                } else {
1485                    Log.e(TAG, "Horizontal progress bar not located in current window decor");
1486                }
1487            }
1488            if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
1489                if (circularProgressBar != null) {
1490                    circularProgressBar.setVisibility(View.GONE);
1491                } else {
1492                    Log.e(TAG, "Circular progress bar not located in current window decor");
1493                }
1494            }
1495        } else if (value == PROGRESS_INDETERMINATE_ON) {
1496            if (horizontalProgressBar != null) {
1497                horizontalProgressBar.setIndeterminate(true);
1498            } else {
1499                Log.e(TAG, "Horizontal progress bar not located in current window decor");
1500            }
1501        } else if (value == PROGRESS_INDETERMINATE_OFF) {
1502            if (horizontalProgressBar != null) {
1503                horizontalProgressBar.setIndeterminate(false);
1504            } else {
1505                Log.e(TAG, "Horizontal progress bar not located in current window decor");
1506            }
1507        } else if (PROGRESS_START <= value && value <= PROGRESS_END) {
1508            // We want to set the progress value before testing for visibility
1509            // so that when the progress bar becomes visible again, it has the
1510            // correct level.
1511            if (horizontalProgressBar != null) {
1512                horizontalProgressBar.setProgress(value - PROGRESS_START);
1513            } else {
1514                Log.e(TAG, "Horizontal progress bar not located in current window decor");
1515            }
1516
1517            if (value < PROGRESS_END) {
1518                showProgressBars(horizontalProgressBar, circularProgressBar);
1519            } else {
1520                hideProgressBars(horizontalProgressBar, circularProgressBar);
1521            }
1522        } else if (PROGRESS_SECONDARY_START <= value && value <= PROGRESS_SECONDARY_END) {
1523            if (horizontalProgressBar != null) {
1524                horizontalProgressBar.setSecondaryProgress(value - PROGRESS_SECONDARY_START);
1525            } else {
1526                Log.e(TAG, "Horizontal progress bar not located in current window decor");
1527            }
1528
1529            showProgressBars(horizontalProgressBar, circularProgressBar);
1530        }
1531
1532    }
1533
1534    private void showProgressBars(ProgressBar horizontalProgressBar, ProgressBar spinnyProgressBar) {
1535        final int features = getLocalFeatures();
1536        if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0 &&
1537                spinnyProgressBar != null && spinnyProgressBar.getVisibility() == View.INVISIBLE) {
1538            spinnyProgressBar.setVisibility(View.VISIBLE);
1539        }
1540        // Only show the progress bars if the primary progress is not complete
1541        if ((features & (1 << FEATURE_PROGRESS)) != 0 && horizontalProgressBar != null &&
1542                horizontalProgressBar.getProgress() < 10000) {
1543            horizontalProgressBar.setVisibility(View.VISIBLE);
1544        }
1545    }
1546
1547    private void hideProgressBars(ProgressBar horizontalProgressBar, ProgressBar spinnyProgressBar) {
1548        final int features = getLocalFeatures();
1549        Animation anim = AnimationUtils.loadAnimation(getContext(), com.android.internal.R.anim.fade_out);
1550        anim.setDuration(1000);
1551        if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0 &&
1552                spinnyProgressBar != null &&
1553                spinnyProgressBar.getVisibility() == View.VISIBLE) {
1554            spinnyProgressBar.startAnimation(anim);
1555            spinnyProgressBar.setVisibility(View.INVISIBLE);
1556        }
1557        if ((features & (1 << FEATURE_PROGRESS)) != 0 && horizontalProgressBar != null &&
1558                horizontalProgressBar.getVisibility() == View.VISIBLE) {
1559            horizontalProgressBar.startAnimation(anim);
1560            horizontalProgressBar.setVisibility(View.INVISIBLE);
1561        }
1562    }
1563
1564    @Override
1565    public void setIcon(int resId) {
1566        mIconRes = resId;
1567        mResourcesSetFlags |= FLAG_RESOURCE_SET_ICON;
1568        mResourcesSetFlags &= ~FLAG_RESOURCE_SET_ICON_FALLBACK;
1569        if (mDecorContentParent != null) {
1570            mDecorContentParent.setIcon(resId);
1571        }
1572    }
1573
1574    @Override
1575    public void setDefaultIcon(int resId) {
1576        if ((mResourcesSetFlags & FLAG_RESOURCE_SET_ICON) != 0) {
1577            return;
1578        }
1579        mIconRes = resId;
1580        if (mDecorContentParent != null && (!mDecorContentParent.hasIcon() ||
1581                (mResourcesSetFlags & FLAG_RESOURCE_SET_ICON_FALLBACK) != 0)) {
1582            if (resId != 0) {
1583                mDecorContentParent.setIcon(resId);
1584                mResourcesSetFlags &= ~FLAG_RESOURCE_SET_ICON_FALLBACK;
1585            } else {
1586                mDecorContentParent.setIcon(
1587                        getContext().getPackageManager().getDefaultActivityIcon());
1588                mResourcesSetFlags |= FLAG_RESOURCE_SET_ICON_FALLBACK;
1589            }
1590        }
1591    }
1592
1593    @Override
1594    public void setLogo(int resId) {
1595        mLogoRes = resId;
1596        mResourcesSetFlags |= FLAG_RESOURCE_SET_LOGO;
1597        if (mDecorContentParent != null) {
1598            mDecorContentParent.setLogo(resId);
1599        }
1600    }
1601
1602    @Override
1603    public void setDefaultLogo(int resId) {
1604        if ((mResourcesSetFlags & FLAG_RESOURCE_SET_LOGO) != 0) {
1605            return;
1606        }
1607        mLogoRes = resId;
1608        if (mDecorContentParent != null && !mDecorContentParent.hasLogo()) {
1609            mDecorContentParent.setLogo(resId);
1610        }
1611    }
1612
1613    @Override
1614    public void setLocalFocus(boolean hasFocus, boolean inTouchMode) {
1615        getViewRootImpl().windowFocusChanged(hasFocus, inTouchMode);
1616
1617    }
1618
1619    @Override
1620    public void injectInputEvent(InputEvent event) {
1621        getViewRootImpl().dispatchInputEvent(event);
1622    }
1623
1624    private ViewRootImpl getViewRootImpl() {
1625        if (mDecor != null) {
1626            ViewRootImpl viewRootImpl = mDecor.getViewRootImpl();
1627            if (viewRootImpl != null) {
1628                return viewRootImpl;
1629            }
1630        }
1631        throw new IllegalStateException("view not added");
1632    }
1633
1634    /**
1635     * Request that key events come to this activity. Use this if your activity
1636     * has no views with focus, but the activity still wants a chance to process
1637     * key events.
1638     */
1639    @Override
1640    public void takeKeyEvents(boolean get) {
1641        mDecor.setFocusable(get);
1642    }
1643
1644    @Override
1645    public boolean superDispatchKeyEvent(KeyEvent event) {
1646        return mDecor.superDispatchKeyEvent(event);
1647    }
1648
1649    @Override
1650    public boolean superDispatchKeyShortcutEvent(KeyEvent event) {
1651        return mDecor.superDispatchKeyShortcutEvent(event);
1652    }
1653
1654    @Override
1655    public boolean superDispatchTouchEvent(MotionEvent event) {
1656        return mDecor.superDispatchTouchEvent(event);
1657    }
1658
1659    @Override
1660    public boolean superDispatchTrackballEvent(MotionEvent event) {
1661        return mDecor.superDispatchTrackballEvent(event);
1662    }
1663
1664    @Override
1665    public boolean superDispatchGenericMotionEvent(MotionEvent event) {
1666        return mDecor.superDispatchGenericMotionEvent(event);
1667    }
1668
1669    /**
1670     * A key was pressed down and not handled by anything else in the window.
1671     *
1672     * @see #onKeyUp
1673     * @see android.view.KeyEvent
1674     */
1675    protected boolean onKeyDown(int featureId, int keyCode, KeyEvent event) {
1676        /* ****************************************************************************
1677         * HOW TO DECIDE WHERE YOUR KEY HANDLING GOES.
1678         *
1679         * If your key handling must happen before the app gets a crack at the event,
1680         * it goes in PhoneWindowManager.
1681         *
1682         * If your key handling should happen in all windows, and does not depend on
1683         * the state of the current application, other than that the current
1684         * application can override the behavior by handling the event itself, it
1685         * should go in PhoneFallbackEventHandler.
1686         *
1687         * Only if your handling depends on the window, and the fact that it has
1688         * a DecorView, should it go here.
1689         * ****************************************************************************/
1690
1691        final KeyEvent.DispatcherState dispatcher =
1692                mDecor != null ? mDecor.getKeyDispatcherState() : null;
1693        //Log.i(TAG, "Key down: repeat=" + event.getRepeatCount()
1694        //        + " flags=0x" + Integer.toHexString(event.getFlags()));
1695
1696        switch (keyCode) {
1697            case KeyEvent.KEYCODE_VOLUME_UP:
1698            case KeyEvent.KEYCODE_VOLUME_DOWN: {
1699                int direction = keyCode == KeyEvent.KEYCODE_VOLUME_UP ? AudioManager.ADJUST_RAISE
1700                        : AudioManager.ADJUST_LOWER;
1701                // If we have a session send it the volume command, otherwise
1702                // use the suggested stream.
1703                if (mMediaController != null) {
1704                    mMediaController.adjustVolume(direction, AudioManager.FLAG_SHOW_UI);
1705                } else {
1706                    MediaSessionLegacyHelper.getHelper(getContext()).sendAdjustVolumeBy(
1707                            mVolumeControlStreamType, direction,
1708                            AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_VIBRATE);
1709                }
1710                return true;
1711            }
1712            case KeyEvent.KEYCODE_VOLUME_MUTE: {
1713                getAudioManager().handleKeyDown(event, mVolumeControlStreamType);
1714                return true;
1715            }
1716            // These are all the recognized media key codes in
1717            // KeyEvent.isMediaKey()
1718            case KeyEvent.KEYCODE_MEDIA_PLAY:
1719            case KeyEvent.KEYCODE_MEDIA_PAUSE:
1720            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
1721            case KeyEvent.KEYCODE_MUTE:
1722            case KeyEvent.KEYCODE_HEADSETHOOK:
1723            case KeyEvent.KEYCODE_MEDIA_STOP:
1724            case KeyEvent.KEYCODE_MEDIA_NEXT:
1725            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
1726            case KeyEvent.KEYCODE_MEDIA_REWIND:
1727            case KeyEvent.KEYCODE_MEDIA_RECORD:
1728            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: {
1729                if (mMediaController != null) {
1730                    if (mMediaController.dispatchMediaButtonEvent(event)) {
1731                        return true;
1732                    }
1733                }
1734                return false;
1735            }
1736
1737            case KeyEvent.KEYCODE_MENU: {
1738                onKeyDownPanel((featureId < 0) ? FEATURE_OPTIONS_PANEL : featureId, event);
1739                return true;
1740            }
1741
1742            case KeyEvent.KEYCODE_BACK: {
1743                if (event.getRepeatCount() > 0) break;
1744                if (featureId < 0) break;
1745                // Currently don't do anything with long press.
1746                if (dispatcher != null) {
1747                    dispatcher.startTracking(event, this);
1748                }
1749                return true;
1750            }
1751
1752        }
1753
1754        return false;
1755    }
1756
1757    private KeyguardManager getKeyguardManager() {
1758        if (mKeyguardManager == null) {
1759            mKeyguardManager = (KeyguardManager) getContext().getSystemService(
1760                    Context.KEYGUARD_SERVICE);
1761        }
1762        return mKeyguardManager;
1763    }
1764
1765    AudioManager getAudioManager() {
1766        if (mAudioManager == null) {
1767            mAudioManager = (AudioManager)getContext().getSystemService(Context.AUDIO_SERVICE);
1768        }
1769        return mAudioManager;
1770    }
1771
1772    /**
1773     * A key was released and not handled by anything else in the window.
1774     *
1775     * @see #onKeyDown
1776     * @see android.view.KeyEvent
1777     */
1778    protected boolean onKeyUp(int featureId, int keyCode, KeyEvent event) {
1779        final KeyEvent.DispatcherState dispatcher =
1780                mDecor != null ? mDecor.getKeyDispatcherState() : null;
1781        if (dispatcher != null) {
1782            dispatcher.handleUpEvent(event);
1783        }
1784        //Log.i(TAG, "Key up: repeat=" + event.getRepeatCount()
1785        //        + " flags=0x" + Integer.toHexString(event.getFlags()));
1786
1787        switch (keyCode) {
1788            case KeyEvent.KEYCODE_VOLUME_UP:
1789            case KeyEvent.KEYCODE_VOLUME_DOWN: {
1790                // If we have a session send it the volume command, otherwise
1791                // use the suggested stream.
1792                if (mMediaController != null) {
1793                    mMediaController.adjustVolume(0, AudioManager.FLAG_PLAY_SOUND
1794                            | AudioManager.FLAG_VIBRATE);
1795                } else {
1796                    MediaSessionLegacyHelper.getHelper(getContext()).sendAdjustVolumeBy(
1797                            mVolumeControlStreamType, 0,
1798                            AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_VIBRATE);
1799                }
1800                return true;
1801            }
1802            case KeyEvent.KEYCODE_VOLUME_MUTE: {
1803                // Similar code is in PhoneFallbackEventHandler in case the window
1804                // doesn't have one of these.  In this case, we execute it here and
1805                // eat the event instead, because we have mVolumeControlStreamType
1806                // and they don't.
1807                getAudioManager().handleKeyUp(event, mVolumeControlStreamType);
1808                return true;
1809            }
1810            // These are all the recognized media key codes in
1811            // KeyEvent.isMediaKey()
1812            case KeyEvent.KEYCODE_MEDIA_PLAY:
1813            case KeyEvent.KEYCODE_MEDIA_PAUSE:
1814            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
1815            case KeyEvent.KEYCODE_MUTE:
1816            case KeyEvent.KEYCODE_HEADSETHOOK:
1817            case KeyEvent.KEYCODE_MEDIA_STOP:
1818            case KeyEvent.KEYCODE_MEDIA_NEXT:
1819            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
1820            case KeyEvent.KEYCODE_MEDIA_REWIND:
1821            case KeyEvent.KEYCODE_MEDIA_RECORD:
1822            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: {
1823                if (mMediaController != null) {
1824                    if (mMediaController.dispatchMediaButtonEvent(event)) {
1825                        return true;
1826                    }
1827                }
1828                return false;
1829            }
1830
1831            case KeyEvent.KEYCODE_MENU: {
1832                onKeyUpPanel(featureId < 0 ? FEATURE_OPTIONS_PANEL : featureId,
1833                        event);
1834                return true;
1835            }
1836
1837            case KeyEvent.KEYCODE_BACK: {
1838                if (featureId < 0) break;
1839                if (event.isTracking() && !event.isCanceled()) {
1840                    if (featureId == FEATURE_OPTIONS_PANEL) {
1841                        PanelFeatureState st = getPanelState(featureId, false);
1842                        if (st != null && st.isInExpandedMode) {
1843                            // If the user is in an expanded menu and hits back, it
1844                            // should go back to the icon menu
1845                            reopenMenu(true);
1846                            return true;
1847                        }
1848                    }
1849                    closePanel(featureId);
1850                    return true;
1851                }
1852                break;
1853            }
1854
1855            case KeyEvent.KEYCODE_SEARCH: {
1856                /*
1857                 * Do this in onKeyUp since the Search key is also used for
1858                 * chording quick launch shortcuts.
1859                 */
1860                if (getKeyguardManager().inKeyguardRestrictedInputMode()) {
1861                    break;
1862                }
1863                if (event.isTracking() && !event.isCanceled()) {
1864                    launchDefaultSearch();
1865                }
1866                return true;
1867            }
1868        }
1869
1870        return false;
1871    }
1872
1873    @Override
1874    protected void onActive() {
1875    }
1876
1877    @Override
1878    public final View getDecorView() {
1879        if (mDecor == null) {
1880            installDecor();
1881        }
1882        return mDecor;
1883    }
1884
1885    @Override
1886    public final View peekDecorView() {
1887        return mDecor;
1888    }
1889
1890    static private final String FOCUSED_ID_TAG = "android:focusedViewId";
1891    static private final String VIEWS_TAG = "android:views";
1892    static private final String PANELS_TAG = "android:Panels";
1893    static private final String ACTION_BAR_TAG = "android:ActionBar";
1894
1895    /** {@inheritDoc} */
1896    @Override
1897    public Bundle saveHierarchyState() {
1898        Bundle outState = new Bundle();
1899        if (mContentParent == null) {
1900            return outState;
1901        }
1902
1903        SparseArray<Parcelable> states = new SparseArray<Parcelable>();
1904        mContentParent.saveHierarchyState(states);
1905        outState.putSparseParcelableArray(VIEWS_TAG, states);
1906
1907        // save the focused view id
1908        View focusedView = mContentParent.findFocus();
1909        if (focusedView != null) {
1910            if (focusedView.getId() != View.NO_ID) {
1911                outState.putInt(FOCUSED_ID_TAG, focusedView.getId());
1912            } else {
1913                if (false) {
1914                    Log.d(TAG, "couldn't save which view has focus because the focused view "
1915                            + focusedView + " has no id.");
1916                }
1917            }
1918        }
1919
1920        // save the panels
1921        SparseArray<Parcelable> panelStates = new SparseArray<Parcelable>();
1922        savePanelState(panelStates);
1923        if (panelStates.size() > 0) {
1924            outState.putSparseParcelableArray(PANELS_TAG, panelStates);
1925        }
1926
1927        if (mDecorContentParent != null) {
1928            SparseArray<Parcelable> actionBarStates = new SparseArray<Parcelable>();
1929            mDecorContentParent.saveToolbarHierarchyState(actionBarStates);
1930            outState.putSparseParcelableArray(ACTION_BAR_TAG, actionBarStates);
1931        }
1932
1933        return outState;
1934    }
1935
1936    /** {@inheritDoc} */
1937    @Override
1938    public void restoreHierarchyState(Bundle savedInstanceState) {
1939        if (mContentParent == null) {
1940            return;
1941        }
1942
1943        SparseArray<Parcelable> savedStates
1944                = savedInstanceState.getSparseParcelableArray(VIEWS_TAG);
1945        if (savedStates != null) {
1946            mContentParent.restoreHierarchyState(savedStates);
1947        }
1948
1949        // restore the focused view
1950        int focusedViewId = savedInstanceState.getInt(FOCUSED_ID_TAG, View.NO_ID);
1951        if (focusedViewId != View.NO_ID) {
1952            View needsFocus = mContentParent.findViewById(focusedViewId);
1953            if (needsFocus != null) {
1954                needsFocus.requestFocus();
1955            } else {
1956                Log.w(TAG,
1957                        "Previously focused view reported id " + focusedViewId
1958                                + " during save, but can't be found during restore.");
1959            }
1960        }
1961
1962        // restore the panels
1963        SparseArray<Parcelable> panelStates = savedInstanceState.getSparseParcelableArray(PANELS_TAG);
1964        if (panelStates != null) {
1965            restorePanelState(panelStates);
1966        }
1967
1968        if (mDecorContentParent != null) {
1969            SparseArray<Parcelable> actionBarStates =
1970                    savedInstanceState.getSparseParcelableArray(ACTION_BAR_TAG);
1971            if (actionBarStates != null) {
1972                mDecorContentParent.restoreToolbarHierarchyState(actionBarStates);
1973            } else {
1974                Log.w(TAG, "Missing saved instance states for action bar views! " +
1975                        "State will not be restored.");
1976            }
1977        }
1978    }
1979
1980    /**
1981     * Invoked when the panels should freeze their state.
1982     *
1983     * @param icicles Save state into this. This is usually indexed by the
1984     *            featureId. This will be given to {@link #restorePanelState} in the
1985     *            future.
1986     */
1987    private void savePanelState(SparseArray<Parcelable> icicles) {
1988        PanelFeatureState[] panels = mPanels;
1989        if (panels == null) {
1990            return;
1991        }
1992
1993        for (int curFeatureId = panels.length - 1; curFeatureId >= 0; curFeatureId--) {
1994            if (panels[curFeatureId] != null) {
1995                icicles.put(curFeatureId, panels[curFeatureId].onSaveInstanceState());
1996            }
1997        }
1998    }
1999
2000    /**
2001     * Invoked when the panels should thaw their state from a previously frozen state.
2002     *
2003     * @param icicles The state saved by {@link #savePanelState} that needs to be thawed.
2004     */
2005    private void restorePanelState(SparseArray<Parcelable> icicles) {
2006        PanelFeatureState st;
2007        int curFeatureId;
2008        for (int i = icicles.size() - 1; i >= 0; i--) {
2009            curFeatureId = icicles.keyAt(i);
2010            st = getPanelState(curFeatureId, false /* required */);
2011            if (st == null) {
2012                // The panel must not have been required, and is currently not around, skip it
2013                continue;
2014            }
2015
2016            st.onRestoreInstanceState(icicles.get(curFeatureId));
2017            invalidatePanelMenu(curFeatureId);
2018        }
2019
2020        /*
2021         * Implementation note: call openPanelsAfterRestore later to actually open the
2022         * restored panels.
2023         */
2024    }
2025
2026    /**
2027     * Opens the panels that have had their state restored. This should be
2028     * called sometime after {@link #restorePanelState} when it is safe to add
2029     * to the window manager.
2030     */
2031    private void openPanelsAfterRestore() {
2032        PanelFeatureState[] panels = mPanels;
2033
2034        if (panels == null) {
2035            return;
2036        }
2037
2038        PanelFeatureState st;
2039        for (int i = panels.length - 1; i >= 0; i--) {
2040            st = panels[i];
2041            // We restore the panel if it was last open; we skip it if it
2042            // now is open, to avoid a race condition if the user immediately
2043            // opens it when we are resuming.
2044            if (st != null) {
2045                st.applyFrozenState();
2046                if (!st.isOpen && st.wasLastOpen) {
2047                    st.isInExpandedMode = st.wasLastExpanded;
2048                    openPanel(st, null);
2049                }
2050            }
2051        }
2052    }
2053
2054    private class PanelMenuPresenterCallback implements MenuPresenter.Callback {
2055        @Override
2056        public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
2057            final Menu parentMenu = menu.getRootMenu();
2058            final boolean isSubMenu = parentMenu != menu;
2059            final PanelFeatureState panel = findMenuPanel(isSubMenu ? parentMenu : menu);
2060            if (panel != null) {
2061                if (isSubMenu) {
2062                    callOnPanelClosed(panel.featureId, panel, parentMenu);
2063                    closePanel(panel, true);
2064                } else {
2065                    // Close the panel and only do the callback if the menu is being
2066                    // closed completely, not if opening a sub menu
2067                    closePanel(panel, allMenusAreClosing);
2068                }
2069            }
2070        }
2071
2072        @Override
2073        public boolean onOpenSubMenu(MenuBuilder subMenu) {
2074            if (subMenu == null && hasFeature(FEATURE_ACTION_BAR)) {
2075                Callback cb = getCallback();
2076                if (cb != null && !isDestroyed()) {
2077                    cb.onMenuOpened(FEATURE_ACTION_BAR, subMenu);
2078                }
2079            }
2080
2081            return true;
2082        }
2083    }
2084
2085    private final class ActionMenuPresenterCallback implements MenuPresenter.Callback {
2086        @Override
2087        public boolean onOpenSubMenu(MenuBuilder subMenu) {
2088            Callback cb = getCallback();
2089            if (cb != null) {
2090                cb.onMenuOpened(FEATURE_ACTION_BAR, subMenu);
2091                return true;
2092            }
2093            return false;
2094        }
2095
2096        @Override
2097        public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
2098            checkCloseActionMenu(menu);
2099        }
2100    }
2101
2102    private final class DecorView extends FrameLayout implements RootViewSurfaceTaker,
2103            View.OnSystemUiVisibilityChangeListener {
2104        /* package */int mDefaultOpacity = PixelFormat.OPAQUE;
2105
2106        /** The feature ID of the panel, or -1 if this is the application's DecorView */
2107        private final int mFeatureId;
2108
2109        private final Rect mDrawingBounds = new Rect();
2110
2111        private final Rect mBackgroundPadding = new Rect();
2112
2113        private final Rect mFramePadding = new Rect();
2114
2115        private final Rect mFrameOffsets = new Rect();
2116
2117        private boolean mChanging;
2118
2119        private Drawable mMenuBackground;
2120        private boolean mWatchingForMenu;
2121        private int mDownY;
2122
2123        private ActionMode mActionMode;
2124        private ActionBarContextView mActionModeView;
2125        private PopupWindow mActionModePopup;
2126        private Runnable mShowActionModePopup;
2127
2128        // View added at runtime to draw under the status bar area
2129        private View mStatusGuard;
2130        // View added at runtime to draw under the navigation bar area
2131        private View mNavigationGuard;
2132
2133        private View mStatusColorView;
2134        private View mNavigationColorView;
2135
2136        private int mLastTopInset = 0;
2137        private int mLastBottomInset = 0;
2138        private int mLastSystemUiVisibility = 0;
2139
2140
2141        public DecorView(Context context, int featureId) {
2142            super(context);
2143            mFeatureId = featureId;
2144        }
2145
2146        @Override
2147        public boolean dispatchKeyEvent(KeyEvent event) {
2148            final int keyCode = event.getKeyCode();
2149            final int action = event.getAction();
2150            final boolean isDown = action == KeyEvent.ACTION_DOWN;
2151
2152            if (isDown && (event.getRepeatCount() == 0)) {
2153                // First handle chording of panel key: if a panel key is held
2154                // but not released, try to execute a shortcut in it.
2155                if ((mPanelChordingKey > 0) && (mPanelChordingKey != keyCode)) {
2156                    boolean handled = dispatchKeyShortcutEvent(event);
2157                    if (handled) {
2158                        return true;
2159                    }
2160                }
2161
2162                // If a panel is open, perform a shortcut on it without the
2163                // chorded panel key
2164                if ((mPreparedPanel != null) && mPreparedPanel.isOpen) {
2165                    if (performPanelShortcut(mPreparedPanel, keyCode, event, 0)) {
2166                        return true;
2167                    }
2168                }
2169            }
2170
2171            if (!isDestroyed()) {
2172                final Callback cb = getCallback();
2173                final boolean handled = cb != null && mFeatureId < 0 ? cb.dispatchKeyEvent(event)
2174                        : super.dispatchKeyEvent(event);
2175                if (handled) {
2176                    return true;
2177                }
2178            }
2179
2180            return isDown ? PhoneWindow.this.onKeyDown(mFeatureId, event.getKeyCode(), event)
2181                    : PhoneWindow.this.onKeyUp(mFeatureId, event.getKeyCode(), event);
2182        }
2183
2184        @Override
2185        public boolean dispatchKeyShortcutEvent(KeyEvent ev) {
2186            // If the panel is already prepared, then perform the shortcut using it.
2187            boolean handled;
2188            if (mPreparedPanel != null) {
2189                handled = performPanelShortcut(mPreparedPanel, ev.getKeyCode(), ev,
2190                        Menu.FLAG_PERFORM_NO_CLOSE);
2191                if (handled) {
2192                    if (mPreparedPanel != null) {
2193                        mPreparedPanel.isHandled = true;
2194                    }
2195                    return true;
2196                }
2197            }
2198
2199            // Shortcut not handled by the panel.  Dispatch to the view hierarchy.
2200            final Callback cb = getCallback();
2201            handled = cb != null && !isDestroyed() && mFeatureId < 0
2202                    ? cb.dispatchKeyShortcutEvent(ev) : super.dispatchKeyShortcutEvent(ev);
2203            if (handled) {
2204                return true;
2205            }
2206
2207            // If the panel is not prepared, then we may be trying to handle a shortcut key
2208            // combination such as Control+C.  Temporarily prepare the panel then mark it
2209            // unprepared again when finished to ensure that the panel will again be prepared
2210            // the next time it is shown for real.
2211            if (mPreparedPanel == null) {
2212                PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
2213                preparePanel(st, ev);
2214                handled = performPanelShortcut(st, ev.getKeyCode(), ev,
2215                        Menu.FLAG_PERFORM_NO_CLOSE);
2216                st.isPrepared = false;
2217                if (handled) {
2218                    return true;
2219                }
2220            }
2221            return false;
2222        }
2223
2224        @Override
2225        public boolean dispatchTouchEvent(MotionEvent ev) {
2226            final Callback cb = getCallback();
2227            return cb != null && !isDestroyed() && mFeatureId < 0 ? cb.dispatchTouchEvent(ev)
2228                    : super.dispatchTouchEvent(ev);
2229        }
2230
2231        @Override
2232        public boolean dispatchTrackballEvent(MotionEvent ev) {
2233            final Callback cb = getCallback();
2234            return cb != null && !isDestroyed() && mFeatureId < 0 ? cb.dispatchTrackballEvent(ev)
2235                    : super.dispatchTrackballEvent(ev);
2236        }
2237
2238        @Override
2239        public boolean dispatchGenericMotionEvent(MotionEvent ev) {
2240            final Callback cb = getCallback();
2241            return cb != null && !isDestroyed() && mFeatureId < 0 ? cb.dispatchGenericMotionEvent(ev)
2242                    : super.dispatchGenericMotionEvent(ev);
2243        }
2244
2245        public boolean superDispatchKeyEvent(KeyEvent event) {
2246            // Give priority to closing action modes if applicable.
2247            if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
2248                final int action = event.getAction();
2249                // Back cancels action modes first.
2250                if (mActionMode != null) {
2251                    if (action == KeyEvent.ACTION_UP) {
2252                        mActionMode.finish();
2253                    }
2254                    return true;
2255                }
2256            }
2257
2258            return super.dispatchKeyEvent(event);
2259        }
2260
2261        public boolean superDispatchKeyShortcutEvent(KeyEvent event) {
2262            return super.dispatchKeyShortcutEvent(event);
2263        }
2264
2265        public boolean superDispatchTouchEvent(MotionEvent event) {
2266            return super.dispatchTouchEvent(event);
2267        }
2268
2269        public boolean superDispatchTrackballEvent(MotionEvent event) {
2270            return super.dispatchTrackballEvent(event);
2271        }
2272
2273        public boolean superDispatchGenericMotionEvent(MotionEvent event) {
2274            return super.dispatchGenericMotionEvent(event);
2275        }
2276
2277        @Override
2278        public WindowInsets dispatchApplyWindowInsets(WindowInsets insets) {
2279            if (mOutsetBottom != null) {
2280                final DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
2281                int bottom = (int) mOutsetBottom.getDimension(metrics);
2282                WindowInsets newInsets = insets.replaceSystemWindowInsets(
2283                        insets.getSystemWindowInsetLeft(), insets.getSystemWindowInsetTop(),
2284                        insets.getSystemWindowInsetRight(),
2285                        insets.getSystemWindowInsetBottom() + bottom);
2286                return super.dispatchApplyWindowInsets(newInsets);
2287            } else {
2288                return super.dispatchApplyWindowInsets(insets);
2289            }
2290        }
2291
2292
2293        @Override
2294        public boolean onTouchEvent(MotionEvent event) {
2295            return onInterceptTouchEvent(event);
2296        }
2297
2298        private boolean isOutOfBounds(int x, int y) {
2299            return x < -5 || y < -5 || x > (getWidth() + 5)
2300                    || y > (getHeight() + 5);
2301        }
2302
2303        @Override
2304        public boolean onInterceptTouchEvent(MotionEvent event) {
2305            int action = event.getAction();
2306            if (mFeatureId >= 0) {
2307                if (action == MotionEvent.ACTION_DOWN) {
2308                    int x = (int)event.getX();
2309                    int y = (int)event.getY();
2310                    if (isOutOfBounds(x, y)) {
2311                        closePanel(mFeatureId);
2312                        return true;
2313                    }
2314                }
2315            }
2316
2317            if (!SWEEP_OPEN_MENU) {
2318                return false;
2319            }
2320
2321            if (mFeatureId >= 0) {
2322                if (action == MotionEvent.ACTION_DOWN) {
2323                    Log.i(TAG, "Watchiing!");
2324                    mWatchingForMenu = true;
2325                    mDownY = (int) event.getY();
2326                    return false;
2327                }
2328
2329                if (!mWatchingForMenu) {
2330                    return false;
2331                }
2332
2333                int y = (int)event.getY();
2334                if (action == MotionEvent.ACTION_MOVE) {
2335                    if (y > (mDownY+30)) {
2336                        Log.i(TAG, "Closing!");
2337                        closePanel(mFeatureId);
2338                        mWatchingForMenu = false;
2339                        return true;
2340                    }
2341                } else if (action == MotionEvent.ACTION_UP) {
2342                    mWatchingForMenu = false;
2343                }
2344
2345                return false;
2346            }
2347
2348            //Log.i(TAG, "Intercept: action=" + action + " y=" + event.getY()
2349            //        + " (in " + getHeight() + ")");
2350
2351            if (action == MotionEvent.ACTION_DOWN) {
2352                int y = (int)event.getY();
2353                if (y >= (getHeight()-5) && !hasChildren()) {
2354                    Log.i(TAG, "Watchiing!");
2355                    mWatchingForMenu = true;
2356                }
2357                return false;
2358            }
2359
2360            if (!mWatchingForMenu) {
2361                return false;
2362            }
2363
2364            int y = (int)event.getY();
2365            if (action == MotionEvent.ACTION_MOVE) {
2366                if (y < (getHeight()-30)) {
2367                    Log.i(TAG, "Opening!");
2368                    openPanel(FEATURE_OPTIONS_PANEL, new KeyEvent(
2369                            KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU));
2370                    mWatchingForMenu = false;
2371                    return true;
2372                }
2373            } else if (action == MotionEvent.ACTION_UP) {
2374                mWatchingForMenu = false;
2375            }
2376
2377            return false;
2378        }
2379
2380        @Override
2381        public void sendAccessibilityEvent(int eventType) {
2382            if (!AccessibilityManager.getInstance(mContext).isEnabled()) {
2383                return;
2384            }
2385
2386            // if we are showing a feature that should be announced and one child
2387            // make this child the event source since this is the feature itself
2388            // otherwise the callback will take over and announce its client
2389            if ((mFeatureId == FEATURE_OPTIONS_PANEL ||
2390                    mFeatureId == FEATURE_CONTEXT_MENU ||
2391                    mFeatureId == FEATURE_PROGRESS ||
2392                    mFeatureId == FEATURE_INDETERMINATE_PROGRESS)
2393                    && getChildCount() == 1) {
2394                getChildAt(0).sendAccessibilityEvent(eventType);
2395            } else {
2396                super.sendAccessibilityEvent(eventType);
2397            }
2398        }
2399
2400        @Override
2401        public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
2402            final Callback cb = getCallback();
2403            if (cb != null && !isDestroyed()) {
2404                if (cb.dispatchPopulateAccessibilityEvent(event)) {
2405                    return true;
2406                }
2407            }
2408            return super.dispatchPopulateAccessibilityEvent(event);
2409        }
2410
2411        @Override
2412        protected boolean setFrame(int l, int t, int r, int b) {
2413            boolean changed = super.setFrame(l, t, r, b);
2414            if (changed) {
2415                final Rect drawingBounds = mDrawingBounds;
2416                getDrawingRect(drawingBounds);
2417
2418                Drawable fg = getForeground();
2419                if (fg != null) {
2420                    final Rect frameOffsets = mFrameOffsets;
2421                    drawingBounds.left += frameOffsets.left;
2422                    drawingBounds.top += frameOffsets.top;
2423                    drawingBounds.right -= frameOffsets.right;
2424                    drawingBounds.bottom -= frameOffsets.bottom;
2425                    fg.setBounds(drawingBounds);
2426                    final Rect framePadding = mFramePadding;
2427                    drawingBounds.left += framePadding.left - frameOffsets.left;
2428                    drawingBounds.top += framePadding.top - frameOffsets.top;
2429                    drawingBounds.right -= framePadding.right - frameOffsets.right;
2430                    drawingBounds.bottom -= framePadding.bottom - frameOffsets.bottom;
2431                }
2432
2433                Drawable bg = getBackground();
2434                if (bg != null) {
2435                    bg.setBounds(drawingBounds);
2436                }
2437
2438                if (SWEEP_OPEN_MENU) {
2439                    if (mMenuBackground == null && mFeatureId < 0
2440                            && getAttributes().height
2441                            == WindowManager.LayoutParams.MATCH_PARENT) {
2442                        mMenuBackground = getContext().getDrawable(
2443                                com.android.internal.R.drawable.menu_background);
2444                    }
2445                    if (mMenuBackground != null) {
2446                        mMenuBackground.setBounds(drawingBounds.left,
2447                                drawingBounds.bottom-6, drawingBounds.right,
2448                                drawingBounds.bottom+20);
2449                    }
2450                }
2451            }
2452            return changed;
2453        }
2454
2455        @Override
2456        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
2457            final DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
2458            final boolean isPortrait = metrics.widthPixels < metrics.heightPixels;
2459
2460            final int widthMode = getMode(widthMeasureSpec);
2461            final int heightMode = getMode(heightMeasureSpec);
2462
2463            boolean fixedWidth = false;
2464            if (widthMode == AT_MOST) {
2465                final TypedValue tvw = isPortrait ? mFixedWidthMinor : mFixedWidthMajor;
2466                if (tvw != null && tvw.type != TypedValue.TYPE_NULL) {
2467                    final int w;
2468                    if (tvw.type == TypedValue.TYPE_DIMENSION) {
2469                        w = (int) tvw.getDimension(metrics);
2470                    } else if (tvw.type == TypedValue.TYPE_FRACTION) {
2471                        w = (int) tvw.getFraction(metrics.widthPixels, metrics.widthPixels);
2472                    } else {
2473                        w = 0;
2474                    }
2475
2476                    if (w > 0) {
2477                        final int widthSize = MeasureSpec.getSize(widthMeasureSpec);
2478                        widthMeasureSpec = MeasureSpec.makeMeasureSpec(
2479                                Math.min(w, widthSize), EXACTLY);
2480                        fixedWidth = true;
2481                    }
2482                }
2483            }
2484
2485            if (heightMode == AT_MOST) {
2486                final TypedValue tvh = isPortrait ? mFixedHeightMajor : mFixedHeightMinor;
2487                if (tvh != null && tvh.type != TypedValue.TYPE_NULL) {
2488                    final int h;
2489                    if (tvh.type == TypedValue.TYPE_DIMENSION) {
2490                        h = (int) tvh.getDimension(metrics);
2491                    } else if (tvh.type == TypedValue.TYPE_FRACTION) {
2492                        h = (int) tvh.getFraction(metrics.heightPixels, metrics.heightPixels);
2493                    } else {
2494                        h = 0;
2495                    }
2496                    if (h > 0) {
2497                        final int heightSize = MeasureSpec.getSize(heightMeasureSpec);
2498                        heightMeasureSpec = MeasureSpec.makeMeasureSpec(
2499                                Math.min(h, heightSize), EXACTLY);
2500                    }
2501                }
2502            }
2503
2504            if (mOutsetBottom != null) {
2505                int mode = MeasureSpec.getMode(heightMeasureSpec);
2506                if (mode != MeasureSpec.UNSPECIFIED) {
2507                    int outset = (int) mOutsetBottom.getDimension(metrics);
2508                    int height = MeasureSpec.getSize(heightMeasureSpec);
2509                    heightMeasureSpec = MeasureSpec.makeMeasureSpec(height + outset, mode);
2510                }
2511            }
2512
2513            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
2514
2515            int width = getMeasuredWidth();
2516            boolean measure = false;
2517
2518            widthMeasureSpec = MeasureSpec.makeMeasureSpec(width, EXACTLY);
2519
2520            if (!fixedWidth && widthMode == AT_MOST) {
2521                final TypedValue tv = isPortrait ? mMinWidthMinor : mMinWidthMajor;
2522                if (tv.type != TypedValue.TYPE_NULL) {
2523                    final int min;
2524                    if (tv.type == TypedValue.TYPE_DIMENSION) {
2525                        min = (int)tv.getDimension(metrics);
2526                    } else if (tv.type == TypedValue.TYPE_FRACTION) {
2527                        min = (int)tv.getFraction(metrics.widthPixels, metrics.widthPixels);
2528                    } else {
2529                        min = 0;
2530                    }
2531
2532                    if (width < min) {
2533                        widthMeasureSpec = MeasureSpec.makeMeasureSpec(min, EXACTLY);
2534                        measure = true;
2535                    }
2536                }
2537            }
2538
2539            // TODO: Support height?
2540
2541            if (measure) {
2542                super.onMeasure(widthMeasureSpec, heightMeasureSpec);
2543            }
2544        }
2545
2546        @Override
2547        public void draw(Canvas canvas) {
2548            super.draw(canvas);
2549
2550            if (mMenuBackground != null) {
2551                mMenuBackground.draw(canvas);
2552            }
2553        }
2554
2555
2556        @Override
2557        public boolean showContextMenuForChild(View originalView) {
2558            // Reuse the context menu builder
2559            if (mContextMenu == null) {
2560                mContextMenu = new ContextMenuBuilder(getContext());
2561                mContextMenu.setCallback(mContextMenuCallback);
2562            } else {
2563                mContextMenu.clearAll();
2564            }
2565
2566            final MenuDialogHelper helper = mContextMenu.show(originalView,
2567                    originalView.getWindowToken());
2568            if (helper != null) {
2569                helper.setPresenterCallback(mContextMenuCallback);
2570            } else if (mContextMenuHelper != null) {
2571                // No menu to show, but if we have a menu currently showing it just became blank.
2572                // Close it.
2573                mContextMenuHelper.dismiss();
2574            }
2575            mContextMenuHelper = helper;
2576            return helper != null;
2577        }
2578
2579        @Override
2580        public ActionMode startActionModeForChild(View originalView,
2581                ActionMode.Callback callback) {
2582            // originalView can be used here to be sure that we don't obscure
2583            // relevant content with the context mode UI.
2584            return startActionMode(callback);
2585        }
2586
2587        @Override
2588        public ActionMode startActionMode(ActionMode.Callback callback) {
2589            if (mActionMode != null) {
2590                mActionMode.finish();
2591            }
2592
2593            final ActionMode.Callback wrappedCallback = new ActionModeCallbackWrapper(callback);
2594            ActionMode mode = null;
2595            if (getCallback() != null && !isDestroyed()) {
2596                try {
2597                    mode = getCallback().onWindowStartingActionMode(wrappedCallback);
2598                } catch (AbstractMethodError ame) {
2599                    // Older apps might not implement this callback method.
2600                }
2601            }
2602            if (mode != null) {
2603                mActionMode = mode;
2604            } else {
2605                if (mActionModeView == null) {
2606                    if (isFloating()) {
2607                        mActionModeView = new ActionBarContextView(mContext);
2608                        mActionModePopup = new PopupWindow(mContext, null,
2609                                com.android.internal.R.attr.actionModePopupWindowStyle);
2610                        mActionModePopup.setWindowLayoutType(
2611                                WindowManager.LayoutParams.TYPE_APPLICATION);
2612                        mActionModePopup.setContentView(mActionModeView);
2613                        mActionModePopup.setWidth(MATCH_PARENT);
2614
2615                        TypedValue heightValue = new TypedValue();
2616                        mContext.getTheme().resolveAttribute(
2617                                com.android.internal.R.attr.actionBarSize, heightValue, true);
2618                        final int height = TypedValue.complexToDimensionPixelSize(heightValue.data,
2619                                mContext.getResources().getDisplayMetrics());
2620                        mActionModeView.setContentHeight(height);
2621                        mActionModePopup.setHeight(WRAP_CONTENT);
2622                        mShowActionModePopup = new Runnable() {
2623                            public void run() {
2624                                mActionModePopup.showAtLocation(
2625                                        mActionModeView.getApplicationWindowToken(),
2626                                        Gravity.TOP | Gravity.FILL_HORIZONTAL, 0, 0);
2627                            }
2628                        };
2629                    } else {
2630                        ViewStub stub = (ViewStub) findViewById(
2631                                com.android.internal.R.id.action_mode_bar_stub);
2632                        if (stub != null) {
2633                            mActionModeView = (ActionBarContextView) stub.inflate();
2634                        }
2635                    }
2636                }
2637
2638                if (mActionModeView != null) {
2639                    mActionModeView.killMode();
2640                    mode = new StandaloneActionMode(getContext(), mActionModeView, wrappedCallback,
2641                            mActionModePopup == null);
2642                    if (callback.onCreateActionMode(mode, mode.getMenu())) {
2643                        mode.invalidate();
2644                        mActionModeView.initForMode(mode);
2645                        mActionModeView.setVisibility(View.VISIBLE);
2646                        mActionMode = mode;
2647                        if (mActionModePopup != null) {
2648                            post(mShowActionModePopup);
2649                        }
2650                        mActionModeView.sendAccessibilityEvent(
2651                                AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
2652                    } else {
2653                        mActionMode = null;
2654                    }
2655                }
2656            }
2657            if (mActionMode != null && getCallback() != null && !isDestroyed()) {
2658                try {
2659                    getCallback().onActionModeStarted(mActionMode);
2660                } catch (AbstractMethodError ame) {
2661                    // Older apps might not implement this callback method.
2662                }
2663            }
2664            return mActionMode;
2665        }
2666
2667        public void startChanging() {
2668            mChanging = true;
2669        }
2670
2671        public void finishChanging() {
2672            mChanging = false;
2673            drawableChanged();
2674        }
2675
2676        public void setWindowBackground(Drawable drawable) {
2677            if (getBackground() != drawable) {
2678                setBackgroundDrawable(drawable);
2679                if (drawable != null) {
2680                    drawable.getPadding(mBackgroundPadding);
2681                } else {
2682                    mBackgroundPadding.setEmpty();
2683                }
2684                drawableChanged();
2685            }
2686        }
2687
2688        @Override
2689        public void setBackgroundDrawable(Drawable d) {
2690            super.setBackgroundDrawable(d);
2691            if (getWindowToken() != null) {
2692                updateWindowResizeState();
2693            }
2694        }
2695
2696        public void setWindowFrame(Drawable drawable) {
2697            if (getForeground() != drawable) {
2698                setForeground(drawable);
2699                if (drawable != null) {
2700                    drawable.getPadding(mFramePadding);
2701                } else {
2702                    mFramePadding.setEmpty();
2703                }
2704                drawableChanged();
2705            }
2706        }
2707
2708        @Override
2709        public void onSystemUiVisibilityChange(int visible) {
2710            mLastSystemUiVisibility = visible;
2711            updateColorViews(null /* insets */);
2712        }
2713
2714        @Override
2715        public WindowInsets onApplyWindowInsets(WindowInsets insets) {
2716            mFrameOffsets.set(insets.getSystemWindowInsets());
2717            updateColorViews(insets);
2718            insets = updateStatusGuard(insets);
2719            updateNavigationGuard(insets);
2720            if (getForeground() != null) {
2721                drawableChanged();
2722            }
2723            return insets;
2724        }
2725
2726        @Override
2727        public boolean isTransitionGroup() {
2728            return false;
2729        }
2730
2731        private WindowInsets updateColorViews(WindowInsets insets) {
2732            if (!mIsFloating && ActivityManager.isHighEndGfx()) {
2733                if (insets != null) {
2734                    mLastTopInset = insets.getStableInsetTop();
2735                    mLastBottomInset = insets.getStableInsetBottom();
2736                }
2737                mStatusColorView = updateColorViewInt(mStatusColorView,
2738                        SYSTEM_UI_FLAG_FULLSCREEN, FLAG_TRANSLUCENT_STATUS,
2739                        mStatusBarColor, mLastTopInset, Gravity.TOP,
2740                        STATUS_BAR_BACKGROUND_TRANSITION_NAME);
2741                mNavigationColorView = updateColorViewInt(mNavigationColorView,
2742                        SYSTEM_UI_FLAG_HIDE_NAVIGATION, FLAG_TRANSLUCENT_NAVIGATION,
2743                        mNavigationBarColor, mLastBottomInset, Gravity.BOTTOM,
2744                        NAVIGATION_BAR_BACKGROUND_TRANSITION_NAME);
2745            }
2746            if (insets != null) {
2747                insets = insets.consumeStableInsets();
2748            }
2749            return insets;
2750        }
2751
2752        private View updateColorViewInt(View view, int systemUiHideFlag, int translucentFlag,
2753                int color, int height, int verticalGravity, String transitionName) {
2754            boolean show = height > 0 && (mLastSystemUiVisibility & systemUiHideFlag) == 0
2755                    && (getAttributes().flags & translucentFlag) == 0
2756                    && (color & Color.BLACK) != 0
2757                    && (getAttributes().flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0;
2758
2759            if (view == null) {
2760                if (show) {
2761                    view = new View(mContext);
2762                    view.setBackgroundColor(color);
2763                    view.setTransitionName(transitionName);
2764                    addView(view, new LayoutParams(LayoutParams.MATCH_PARENT, height,
2765                            Gravity.START | verticalGravity));
2766                }
2767            } else {
2768                int vis = show ? VISIBLE : INVISIBLE;
2769                view.setVisibility(vis);
2770                if (show) {
2771                    LayoutParams lp = (LayoutParams) view.getLayoutParams();
2772                    if (lp.height != height) {
2773                        lp.height = height;
2774                        view.setLayoutParams(lp);
2775                    }
2776                    view.setBackgroundColor(color);
2777                }
2778            }
2779            return view;
2780        }
2781
2782        private WindowInsets updateStatusGuard(WindowInsets insets) {
2783            boolean showStatusGuard = false;
2784            // Show the status guard when the non-overlay contextual action bar is showing
2785            if (mActionModeView != null) {
2786                if (mActionModeView.getLayoutParams() instanceof MarginLayoutParams) {
2787                    MarginLayoutParams mlp = (MarginLayoutParams) mActionModeView.getLayoutParams();
2788                    boolean mlpChanged = false;
2789                    final boolean nonOverlayShown =
2790                            (getLocalFeatures() & (1 << FEATURE_ACTION_MODE_OVERLAY)) == 0
2791                            && mActionModeView.isShown();
2792                    if (nonOverlayShown) {
2793                        // set top margin to top insets, show status guard
2794                        if (mlp.topMargin != insets.getSystemWindowInsetTop()) {
2795                            mlpChanged = true;
2796                            mlp.topMargin = insets.getSystemWindowInsetTop();
2797                            if (mStatusGuard == null) {
2798                                mStatusGuard = new View(mContext);
2799                                mStatusGuard.setBackgroundColor(mContext.getResources()
2800                                        .getColor(R.color.input_method_navigation_guard));
2801                                addView(mStatusGuard, indexOfChild(mStatusColorView),
2802                                        new LayoutParams(LayoutParams.MATCH_PARENT, mlp.topMargin,
2803                                                Gravity.START | Gravity.TOP));
2804                            } else {
2805                                LayoutParams lp = (LayoutParams) mStatusGuard.getLayoutParams();
2806                                if (lp.height != mlp.topMargin) {
2807                                    lp.height = mlp.topMargin;
2808                                    mStatusGuard.setLayoutParams(lp);
2809                                }
2810                            }
2811                        }
2812                        insets = insets.consumeSystemWindowInsets(
2813                                false, true /* top */, false, false);
2814                        showStatusGuard = true;
2815                    } else {
2816                        // reset top margin
2817                        if (mlp.topMargin != 0) {
2818                            mlpChanged = true;
2819                            mlp.topMargin = 0;
2820                        }
2821                    }
2822                    if (mlpChanged) {
2823                        mActionModeView.setLayoutParams(mlp);
2824                    }
2825                }
2826            }
2827            if (mStatusGuard != null) {
2828                mStatusGuard.setVisibility(showStatusGuard ? View.VISIBLE : View.GONE);
2829            }
2830            return insets;
2831        }
2832
2833        private void updateNavigationGuard(WindowInsets insets) {
2834            // IMEs lay out below the nav bar, but the content view must not (for back compat)
2835            if (getAttributes().type == WindowManager.LayoutParams.TYPE_INPUT_METHOD) {
2836                // prevent the content view from including the nav bar height
2837                if (mContentParent != null) {
2838                    if (mContentParent.getLayoutParams() instanceof MarginLayoutParams) {
2839                        MarginLayoutParams mlp =
2840                                (MarginLayoutParams) mContentParent.getLayoutParams();
2841                        mlp.bottomMargin = insets.getSystemWindowInsetBottom();
2842                        mContentParent.setLayoutParams(mlp);
2843                    }
2844                }
2845                // position the navigation guard view, creating it if necessary
2846                if (mNavigationGuard == null) {
2847                    mNavigationGuard = new View(mContext);
2848                    mNavigationGuard.setBackgroundColor(mContext.getResources()
2849                            .getColor(R.color.input_method_navigation_guard));
2850                    addView(mNavigationGuard, indexOfChild(mNavigationColorView), new LayoutParams(
2851                            LayoutParams.MATCH_PARENT, insets.getSystemWindowInsetBottom(),
2852                            Gravity.START | Gravity.BOTTOM));
2853                } else {
2854                    LayoutParams lp = (LayoutParams) mNavigationGuard.getLayoutParams();
2855                    lp.height = insets.getSystemWindowInsetBottom();
2856                    mNavigationGuard.setLayoutParams(lp);
2857                }
2858            }
2859        }
2860
2861        private void drawableChanged() {
2862            if (mChanging) {
2863                return;
2864            }
2865
2866            setPadding(mFramePadding.left + mBackgroundPadding.left, mFramePadding.top
2867                    + mBackgroundPadding.top, mFramePadding.right + mBackgroundPadding.right,
2868                    mFramePadding.bottom + mBackgroundPadding.bottom);
2869            requestLayout();
2870            invalidate();
2871
2872            int opacity = PixelFormat.OPAQUE;
2873
2874            // Note: if there is no background, we will assume opaque. The
2875            // common case seems to be that an application sets there to be
2876            // no background so it can draw everything itself. For that,
2877            // we would like to assume OPAQUE and let the app force it to
2878            // the slower TRANSLUCENT mode if that is really what it wants.
2879            Drawable bg = getBackground();
2880            Drawable fg = getForeground();
2881            if (bg != null) {
2882                if (fg == null) {
2883                    opacity = bg.getOpacity();
2884                } else if (mFramePadding.left <= 0 && mFramePadding.top <= 0
2885                        && mFramePadding.right <= 0 && mFramePadding.bottom <= 0) {
2886                    // If the frame padding is zero, then we can be opaque
2887                    // if either the frame -or- the background is opaque.
2888                    int fop = fg.getOpacity();
2889                    int bop = bg.getOpacity();
2890                    if (false)
2891                        Log.v(TAG, "Background opacity: " + bop + ", Frame opacity: " + fop);
2892                    if (fop == PixelFormat.OPAQUE || bop == PixelFormat.OPAQUE) {
2893                        opacity = PixelFormat.OPAQUE;
2894                    } else if (fop == PixelFormat.UNKNOWN) {
2895                        opacity = bop;
2896                    } else if (bop == PixelFormat.UNKNOWN) {
2897                        opacity = fop;
2898                    } else {
2899                        opacity = Drawable.resolveOpacity(fop, bop);
2900                    }
2901                } else {
2902                    // For now we have to assume translucent if there is a
2903                    // frame with padding... there is no way to tell if the
2904                    // frame and background together will draw all pixels.
2905                    if (false)
2906                        Log.v(TAG, "Padding: " + mFramePadding);
2907                    opacity = PixelFormat.TRANSLUCENT;
2908                }
2909            }
2910
2911            if (false)
2912                Log.v(TAG, "Background: " + bg + ", Frame: " + fg);
2913            if (false)
2914                Log.v(TAG, "Selected default opacity: " + opacity);
2915
2916            mDefaultOpacity = opacity;
2917            if (mFeatureId < 0) {
2918                setDefaultWindowFormat(opacity);
2919            }
2920        }
2921
2922        @Override
2923        public void onWindowFocusChanged(boolean hasWindowFocus) {
2924            super.onWindowFocusChanged(hasWindowFocus);
2925
2926            // If the user is chording a menu shortcut, release the chord since
2927            // this window lost focus
2928            if (!hasWindowFocus && mPanelChordingKey != 0) {
2929                closePanel(FEATURE_OPTIONS_PANEL);
2930            }
2931
2932            final Callback cb = getCallback();
2933            if (cb != null && !isDestroyed() && mFeatureId < 0) {
2934                cb.onWindowFocusChanged(hasWindowFocus);
2935            }
2936        }
2937
2938        void updateWindowResizeState() {
2939            Drawable bg = getBackground();
2940            hackTurnOffWindowResizeAnim(bg == null || bg.getOpacity()
2941                    != PixelFormat.OPAQUE);
2942        }
2943
2944        @Override
2945        protected void onAttachedToWindow() {
2946            super.onAttachedToWindow();
2947
2948            updateWindowResizeState();
2949
2950            final Callback cb = getCallback();
2951            if (cb != null && !isDestroyed() && mFeatureId < 0) {
2952                cb.onAttachedToWindow();
2953            }
2954
2955            if (mFeatureId == -1) {
2956                /*
2957                 * The main window has been attached, try to restore any panels
2958                 * that may have been open before. This is called in cases where
2959                 * an activity is being killed for configuration change and the
2960                 * menu was open. When the activity is recreated, the menu
2961                 * should be shown again.
2962                 */
2963                openPanelsAfterRestore();
2964            }
2965        }
2966
2967        @Override
2968        protected void onDetachedFromWindow() {
2969            super.onDetachedFromWindow();
2970
2971            final Callback cb = getCallback();
2972            if (cb != null && mFeatureId < 0) {
2973                cb.onDetachedFromWindow();
2974            }
2975
2976            if (mDecorContentParent != null) {
2977                mDecorContentParent.dismissPopups();
2978            }
2979
2980            if (mActionModePopup != null) {
2981                removeCallbacks(mShowActionModePopup);
2982                if (mActionModePopup.isShowing()) {
2983                    mActionModePopup.dismiss();
2984                }
2985                mActionModePopup = null;
2986            }
2987
2988            PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
2989            if (st != null && st.menu != null && mFeatureId < 0) {
2990                st.menu.close();
2991            }
2992        }
2993
2994        @Override
2995        public void onCloseSystemDialogs(String reason) {
2996            if (mFeatureId >= 0) {
2997                closeAllPanels();
2998            }
2999        }
3000
3001        public android.view.SurfaceHolder.Callback2 willYouTakeTheSurface() {
3002            return mFeatureId < 0 ? mTakeSurfaceCallback : null;
3003        }
3004
3005        public InputQueue.Callback willYouTakeTheInputQueue() {
3006            return mFeatureId < 0 ? mTakeInputQueueCallback : null;
3007        }
3008
3009        public void setSurfaceType(int type) {
3010            PhoneWindow.this.setType(type);
3011        }
3012
3013        public void setSurfaceFormat(int format) {
3014            PhoneWindow.this.setFormat(format);
3015        }
3016
3017        public void setSurfaceKeepScreenOn(boolean keepOn) {
3018            if (keepOn) PhoneWindow.this.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
3019            else PhoneWindow.this.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
3020        }
3021
3022        /**
3023         * Clears out internal reference when the action mode is destroyed.
3024         */
3025        private class ActionModeCallbackWrapper implements ActionMode.Callback {
3026            private ActionMode.Callback mWrapped;
3027
3028            public ActionModeCallbackWrapper(ActionMode.Callback wrapped) {
3029                mWrapped = wrapped;
3030            }
3031
3032            public boolean onCreateActionMode(ActionMode mode, Menu menu) {
3033                return mWrapped.onCreateActionMode(mode, menu);
3034            }
3035
3036            public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
3037                requestFitSystemWindows();
3038                return mWrapped.onPrepareActionMode(mode, menu);
3039            }
3040
3041            public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
3042                return mWrapped.onActionItemClicked(mode, item);
3043            }
3044
3045            public void onDestroyActionMode(ActionMode mode) {
3046                mWrapped.onDestroyActionMode(mode);
3047                if (mActionModePopup != null) {
3048                    removeCallbacks(mShowActionModePopup);
3049                    mActionModePopup.dismiss();
3050                } else if (mActionModeView != null) {
3051                    mActionModeView.setVisibility(GONE);
3052                }
3053                if (mActionModeView != null) {
3054                    mActionModeView.removeAllViews();
3055                }
3056                if (getCallback() != null && !isDestroyed()) {
3057                    try {
3058                        getCallback().onActionModeFinished(mActionMode);
3059                    } catch (AbstractMethodError ame) {
3060                        // Older apps might not implement this callback method.
3061                    }
3062                }
3063                mActionMode = null;
3064                requestFitSystemWindows();
3065            }
3066        }
3067    }
3068
3069    protected DecorView generateDecor() {
3070        return new DecorView(getContext(), -1);
3071    }
3072
3073    protected void setFeatureFromAttrs(int featureId, TypedArray attrs,
3074            int drawableAttr, int alphaAttr) {
3075        Drawable d = attrs.getDrawable(drawableAttr);
3076        if (d != null) {
3077            requestFeature(featureId);
3078            setFeatureDefaultDrawable(featureId, d);
3079        }
3080        if ((getFeatures() & (1 << featureId)) != 0) {
3081            int alpha = attrs.getInt(alphaAttr, -1);
3082            if (alpha >= 0) {
3083                setFeatureDrawableAlpha(featureId, alpha);
3084            }
3085        }
3086    }
3087
3088    protected ViewGroup generateLayout(DecorView decor) {
3089        // Apply data from current theme.
3090
3091        TypedArray a = getWindowStyle();
3092
3093        if (false) {
3094            System.out.println("From style:");
3095            String s = "Attrs:";
3096            for (int i = 0; i < com.android.internal.R.styleable.Window.length; i++) {
3097                s = s + " " + Integer.toHexString(com.android.internal.R.styleable.Window[i]) + "="
3098                        + a.getString(i);
3099            }
3100            System.out.println(s);
3101        }
3102
3103        mIsFloating = a.getBoolean(com.android.internal.R.styleable.Window_windowIsFloating, false);
3104        int flagsToUpdate = (FLAG_LAYOUT_IN_SCREEN|FLAG_LAYOUT_INSET_DECOR)
3105                & (~getForcedWindowFlags());
3106        if (mIsFloating) {
3107            setLayout(WRAP_CONTENT, WRAP_CONTENT);
3108            setFlags(0, flagsToUpdate);
3109        } else {
3110            setFlags(FLAG_LAYOUT_IN_SCREEN|FLAG_LAYOUT_INSET_DECOR, flagsToUpdate);
3111        }
3112
3113        if (a.getBoolean(com.android.internal.R.styleable.Window_windowNoTitle, false)) {
3114            requestFeature(FEATURE_NO_TITLE);
3115        } else if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionBar, false)) {
3116            // Don't allow an action bar if there is no title.
3117            requestFeature(FEATURE_ACTION_BAR);
3118        }
3119
3120        if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionBarOverlay, false)) {
3121            requestFeature(FEATURE_ACTION_BAR_OVERLAY);
3122        }
3123
3124        if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionModeOverlay, false)) {
3125            requestFeature(FEATURE_ACTION_MODE_OVERLAY);
3126        }
3127
3128        if (a.getBoolean(com.android.internal.R.styleable.Window_windowSwipeToDismiss, false)) {
3129            requestFeature(FEATURE_SWIPE_TO_DISMISS);
3130        }
3131
3132        if (a.getBoolean(com.android.internal.R.styleable.Window_windowFullscreen, false)) {
3133            setFlags(FLAG_FULLSCREEN, FLAG_FULLSCREEN & (~getForcedWindowFlags()));
3134        }
3135
3136        if (a.getBoolean(com.android.internal.R.styleable.Window_windowTranslucentStatus,
3137                false)) {
3138            setFlags(FLAG_TRANSLUCENT_STATUS, FLAG_TRANSLUCENT_STATUS
3139                    & (~getForcedWindowFlags()));
3140        }
3141
3142        if (a.getBoolean(com.android.internal.R.styleable.Window_windowTranslucentNavigation,
3143                false)) {
3144            setFlags(FLAG_TRANSLUCENT_NAVIGATION, FLAG_TRANSLUCENT_NAVIGATION
3145                    & (~getForcedWindowFlags()));
3146        }
3147
3148        if (a.getBoolean(com.android.internal.R.styleable.Window_windowOverscan, false)) {
3149            setFlags(FLAG_LAYOUT_IN_OVERSCAN, FLAG_LAYOUT_IN_OVERSCAN&(~getForcedWindowFlags()));
3150        }
3151
3152        if (a.getBoolean(com.android.internal.R.styleable.Window_windowShowWallpaper, false)) {
3153            setFlags(FLAG_SHOW_WALLPAPER, FLAG_SHOW_WALLPAPER&(~getForcedWindowFlags()));
3154        }
3155
3156        if (a.getBoolean(com.android.internal.R.styleable.Window_windowEnableSplitTouch,
3157                getContext().getApplicationInfo().targetSdkVersion
3158                        >= android.os.Build.VERSION_CODES.HONEYCOMB)) {
3159            setFlags(FLAG_SPLIT_TOUCH, FLAG_SPLIT_TOUCH&(~getForcedWindowFlags()));
3160        }
3161
3162        a.getValue(com.android.internal.R.styleable.Window_windowMinWidthMajor, mMinWidthMajor);
3163        a.getValue(com.android.internal.R.styleable.Window_windowMinWidthMinor, mMinWidthMinor);
3164        if (a.hasValue(com.android.internal.R.styleable.Window_windowFixedWidthMajor)) {
3165            if (mFixedWidthMajor == null) mFixedWidthMajor = new TypedValue();
3166            a.getValue(com.android.internal.R.styleable.Window_windowFixedWidthMajor,
3167                    mFixedWidthMajor);
3168        }
3169        if (a.hasValue(com.android.internal.R.styleable.Window_windowFixedWidthMinor)) {
3170            if (mFixedWidthMinor == null) mFixedWidthMinor = new TypedValue();
3171            a.getValue(com.android.internal.R.styleable.Window_windowFixedWidthMinor,
3172                    mFixedWidthMinor);
3173        }
3174        if (a.hasValue(com.android.internal.R.styleable.Window_windowFixedHeightMajor)) {
3175            if (mFixedHeightMajor == null) mFixedHeightMajor = new TypedValue();
3176            a.getValue(com.android.internal.R.styleable.Window_windowFixedHeightMajor,
3177                    mFixedHeightMajor);
3178        }
3179        if (a.hasValue(com.android.internal.R.styleable.Window_windowFixedHeightMinor)) {
3180            if (mFixedHeightMinor == null) mFixedHeightMinor = new TypedValue();
3181            a.getValue(com.android.internal.R.styleable.Window_windowFixedHeightMinor,
3182                    mFixedHeightMinor);
3183        }
3184        if (a.getBoolean(com.android.internal.R.styleable.Window_windowContentTransitions, false)) {
3185            requestFeature(FEATURE_CONTENT_TRANSITIONS);
3186        }
3187
3188        final WindowManager windowService = (WindowManager) getContext().getSystemService(
3189                Context.WINDOW_SERVICE);
3190        if (windowService != null) {
3191            final Display display = windowService.getDefaultDisplay();
3192            if (display.getDisplayId() == Display.DEFAULT_DISPLAY &&
3193                    a.hasValue(com.android.internal.R.styleable.Window_windowOutsetBottom)) {
3194                if (mOutsetBottom == null) mOutsetBottom = new TypedValue();
3195                a.getValue(com.android.internal.R.styleable.Window_windowOutsetBottom,
3196                        mOutsetBottom);
3197            }
3198        }
3199
3200        final Context context = getContext();
3201        final int targetSdk = context.getApplicationInfo().targetSdkVersion;
3202        final boolean targetPreHoneycomb = targetSdk < android.os.Build.VERSION_CODES.HONEYCOMB;
3203        final boolean targetPreIcs = targetSdk < android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH;
3204        final boolean targetPreL = targetSdk < android.os.Build.VERSION_CODES.L;
3205        final boolean targetHcNeedsOptions = context.getResources().getBoolean(
3206                com.android.internal.R.bool.target_honeycomb_needs_options_menu);
3207        final boolean noActionBar = !hasFeature(FEATURE_ACTION_BAR) || hasFeature(FEATURE_NO_TITLE);
3208
3209        if (targetPreHoneycomb || (targetPreIcs && targetHcNeedsOptions && noActionBar)) {
3210            addFlags(WindowManager.LayoutParams.FLAG_NEEDS_MENU_KEY);
3211        } else {
3212            clearFlags(WindowManager.LayoutParams.FLAG_NEEDS_MENU_KEY);
3213        }
3214
3215        // Non-floating windows on high end devices must put up decor beneath the system bars and
3216        // therefore must know about visibility changes of those.
3217        if (!mIsFloating && ActivityManager.isHighEndGfx()) {
3218            if (!targetPreL && a.getBoolean(
3219                    com.android.internal.R.styleable.Window_windowDrawsSystemBarBackgrounds,
3220                    false)) {
3221                setFlags(FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS,
3222                        FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS & ~getForcedWindowFlags());
3223            }
3224            decor.setOnSystemUiVisibilityChangeListener(decor);
3225        }
3226        if (!mForcedStatusBarColor) {
3227            mStatusBarColor = a.getColor(R.styleable.Window_statusBarColor, 0xFF000000);
3228        }
3229        if (!mForcedNavigationBarColor) {
3230            mNavigationBarColor = a.getColor(R.styleable.Window_navigationBarColor, 0xFF000000);
3231        }
3232
3233        if (mAlwaysReadCloseOnTouchAttr || getContext().getApplicationInfo().targetSdkVersion
3234                >= android.os.Build.VERSION_CODES.HONEYCOMB) {
3235            if (a.getBoolean(
3236                    com.android.internal.R.styleable.Window_windowCloseOnTouchOutside,
3237                    false)) {
3238                setCloseOnTouchOutsideIfNotSet(true);
3239            }
3240        }
3241
3242        WindowManager.LayoutParams params = getAttributes();
3243
3244        if (!hasSoftInputMode()) {
3245            params.softInputMode = a.getInt(
3246                    com.android.internal.R.styleable.Window_windowSoftInputMode,
3247                    params.softInputMode);
3248        }
3249
3250        if (a.getBoolean(com.android.internal.R.styleable.Window_backgroundDimEnabled,
3251                mIsFloating)) {
3252            /* All dialogs should have the window dimmed */
3253            if ((getForcedWindowFlags()&WindowManager.LayoutParams.FLAG_DIM_BEHIND) == 0) {
3254                params.flags |= WindowManager.LayoutParams.FLAG_DIM_BEHIND;
3255            }
3256            if (!haveDimAmount()) {
3257                params.dimAmount = a.getFloat(
3258                        android.R.styleable.Window_backgroundDimAmount, 0.5f);
3259            }
3260        }
3261
3262        if (params.windowAnimations == 0) {
3263            params.windowAnimations = a.getResourceId(
3264                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
3265        }
3266
3267        // The rest are only done if this window is not embedded; otherwise,
3268        // the values are inherited from our container.
3269        if (getContainer() == null) {
3270            if (mBackgroundDrawable == null) {
3271                if (mBackgroundResource == 0) {
3272                    mBackgroundResource = a.getResourceId(
3273                            com.android.internal.R.styleable.Window_windowBackground, 0);
3274                }
3275                if (mFrameResource == 0) {
3276                    mFrameResource = a.getResourceId(com.android.internal.R.styleable.Window_windowFrame, 0);
3277                }
3278                if (false) {
3279                    System.out.println("Background: "
3280                            + Integer.toHexString(mBackgroundResource) + " Frame: "
3281                            + Integer.toHexString(mFrameResource));
3282                }
3283            }
3284            mElevation = a.getDimension(com.android.internal.R.styleable.Window_windowElevation, 0);
3285            mTextColor = a.getColor(com.android.internal.R.styleable.Window_textColor, 0xFF000000);
3286        }
3287
3288        // Inflate the window decor.
3289
3290        int layoutResource;
3291        int features = getLocalFeatures();
3292        // System.out.println("Features: 0x" + Integer.toHexString(features));
3293        if ((features & (1 << FEATURE_SWIPE_TO_DISMISS)) != 0) {
3294            layoutResource = com.android.internal.R.layout.screen_swipe_dismiss;
3295        } else if ((features & ((1 << FEATURE_LEFT_ICON) | (1 << FEATURE_RIGHT_ICON))) != 0) {
3296            if (mIsFloating) {
3297                TypedValue res = new TypedValue();
3298                getContext().getTheme().resolveAttribute(
3299                        com.android.internal.R.attr.dialogTitleIconsDecorLayout, res, true);
3300                layoutResource = res.resourceId;
3301            } else {
3302                layoutResource = com.android.internal.R.layout.screen_title_icons;
3303            }
3304            // XXX Remove this once action bar supports these features.
3305            removeFeature(FEATURE_ACTION_BAR);
3306            // System.out.println("Title Icons!");
3307        } else if ((features & ((1 << FEATURE_PROGRESS) | (1 << FEATURE_INDETERMINATE_PROGRESS))) != 0
3308                && (features & (1 << FEATURE_ACTION_BAR)) == 0) {
3309            // Special case for a window with only a progress bar (and title).
3310            // XXX Need to have a no-title version of embedded windows.
3311            layoutResource = com.android.internal.R.layout.screen_progress;
3312            // System.out.println("Progress!");
3313        } else if ((features & (1 << FEATURE_CUSTOM_TITLE)) != 0) {
3314            // Special case for a window with a custom title.
3315            // If the window is floating, we need a dialog layout
3316            if (mIsFloating) {
3317                TypedValue res = new TypedValue();
3318                getContext().getTheme().resolveAttribute(
3319                        com.android.internal.R.attr.dialogCustomTitleDecorLayout, res, true);
3320                layoutResource = res.resourceId;
3321            } else {
3322                layoutResource = com.android.internal.R.layout.screen_custom_title;
3323            }
3324            // XXX Remove this once action bar supports these features.
3325            removeFeature(FEATURE_ACTION_BAR);
3326        } else if ((features & (1 << FEATURE_NO_TITLE)) == 0) {
3327            // If no other features and not embedded, only need a title.
3328            // If the window is floating, we need a dialog layout
3329            if (mIsFloating) {
3330                TypedValue res = new TypedValue();
3331                getContext().getTheme().resolveAttribute(
3332                        com.android.internal.R.attr.dialogTitleDecorLayout, res, true);
3333                layoutResource = res.resourceId;
3334            } else if ((features & (1 << FEATURE_ACTION_BAR)) != 0) {
3335                layoutResource = a.getResourceId(
3336                        com.android.internal.R.styleable.Window_windowActionBarFullscreenDecorLayout,
3337                        com.android.internal.R.layout.screen_action_bar);
3338            } else {
3339                layoutResource = com.android.internal.R.layout.screen_title;
3340            }
3341            // System.out.println("Title!");
3342        } else if ((features & (1 << FEATURE_ACTION_MODE_OVERLAY)) != 0) {
3343            layoutResource = com.android.internal.R.layout.screen_simple_overlay_action_mode;
3344        } else {
3345            // Embedded, so no decoration is needed.
3346            layoutResource = com.android.internal.R.layout.screen_simple;
3347            // System.out.println("Simple!");
3348        }
3349
3350        mDecor.startChanging();
3351
3352        View in = mLayoutInflater.inflate(layoutResource, null);
3353        decor.addView(in, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
3354
3355        ViewGroup contentParent = (ViewGroup)findViewById(ID_ANDROID_CONTENT);
3356        if (contentParent == null) {
3357            throw new RuntimeException("Window couldn't find content container view");
3358        }
3359
3360        if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
3361            ProgressBar progress = getCircularProgressBar(false);
3362            if (progress != null) {
3363                progress.setIndeterminate(true);
3364            }
3365        }
3366
3367        if ((features & (1 << FEATURE_SWIPE_TO_DISMISS)) != 0) {
3368            registerSwipeCallbacks();
3369        }
3370
3371        // Remaining setup -- of background and title -- that only applies
3372        // to top-level windows.
3373        if (getContainer() == null) {
3374            final Drawable background;
3375            if (mBackgroundResource != 0) {
3376                background = getContext().getDrawable(mBackgroundResource);
3377            } else {
3378                background = mBackgroundDrawable;
3379            }
3380            mDecor.setWindowBackground(background);
3381
3382            final Drawable frame;
3383            if (mFrameResource != 0) {
3384                frame = getContext().getDrawable(mFrameResource);
3385            } else {
3386                frame = null;
3387            }
3388            mDecor.setWindowFrame(frame);
3389
3390            mDecor.setElevation(mElevation);
3391
3392            if (mTitle != null) {
3393                setTitle(mTitle);
3394            }
3395
3396            if (mTitleColor == 0) {
3397                mTitleColor = mTextColor;
3398            }
3399            setTitleColor(mTitleColor);
3400        }
3401
3402        mDecor.finishChanging();
3403
3404        return contentParent;
3405    }
3406
3407    /** @hide */
3408    public void alwaysReadCloseOnTouchAttr() {
3409        mAlwaysReadCloseOnTouchAttr = true;
3410    }
3411
3412    private void installDecor() {
3413        if (mDecor == null) {
3414            mDecor = generateDecor();
3415            mDecor.setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
3416            mDecor.setIsRootNamespace(true);
3417            if (!mInvalidatePanelMenuPosted && mInvalidatePanelMenuFeatures != 0) {
3418                mDecor.postOnAnimation(mInvalidatePanelMenuRunnable);
3419            }
3420        }
3421        if (mContentParent == null) {
3422            mContentParent = generateLayout(mDecor);
3423
3424            // Set up decor part of UI to ignore fitsSystemWindows if appropriate.
3425            mDecor.makeOptionalFitsSystemWindows();
3426
3427            final DecorContentParent decorContentParent = (DecorContentParent) mDecor.findViewById(
3428                    com.android.internal.R.id.decor_content_parent);
3429
3430            if (decorContentParent != null) {
3431                mDecorContentParent = decorContentParent;
3432                mDecorContentParent.setWindowCallback(getCallback());
3433                if (mDecorContentParent.getTitle() == null) {
3434                    mDecorContentParent.setWindowTitle(mTitle);
3435                }
3436
3437                final int localFeatures = getLocalFeatures();
3438                for (int i = 0; i < FEATURE_MAX; i++) {
3439                    if ((localFeatures & (1 << i)) != 0) {
3440                        mDecorContentParent.initFeature(i);
3441                    }
3442                }
3443
3444                mDecorContentParent.setUiOptions(mUiOptions);
3445
3446                if ((mResourcesSetFlags & FLAG_RESOURCE_SET_ICON) != 0 ||
3447                        (mIconRes != 0 && !mDecorContentParent.hasIcon())) {
3448                    mDecorContentParent.setIcon(mIconRes);
3449                } else if ((mResourcesSetFlags & FLAG_RESOURCE_SET_ICON) == 0 &&
3450                        mIconRes == 0 && !mDecorContentParent.hasIcon()) {
3451                    mDecorContentParent.setIcon(
3452                            getContext().getPackageManager().getDefaultActivityIcon());
3453                    mResourcesSetFlags |= FLAG_RESOURCE_SET_ICON_FALLBACK;
3454                }
3455                if ((mResourcesSetFlags & FLAG_RESOURCE_SET_LOGO) != 0 ||
3456                        (mLogoRes != 0 && !mDecorContentParent.hasLogo())) {
3457                    mDecorContentParent.setLogo(mLogoRes);
3458                }
3459
3460                // Post the panel invalidate for later; avoid application onCreateOptionsMenu
3461                // being called in the middle of onCreate or similar.
3462                mDecor.post(new Runnable() {
3463                    public void run() {
3464                        // Invalidate if the panel menu hasn't been created before this.
3465                        PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
3466                        if (!isDestroyed() && (st == null || st.menu == null)) {
3467                            invalidatePanelMenu(FEATURE_ACTION_BAR);
3468                        }
3469                    }
3470                });
3471            } else {
3472                mTitleView = (TextView)findViewById(com.android.internal.R.id.title);
3473                if (mTitleView != null) {
3474                    mTitleView.setLayoutDirection(mDecor.getLayoutDirection());
3475                    if ((getLocalFeatures() & (1 << FEATURE_NO_TITLE)) != 0) {
3476                        View titleContainer = findViewById(
3477                                com.android.internal.R.id.title_container);
3478                        if (titleContainer != null) {
3479                            titleContainer.setVisibility(View.GONE);
3480                        } else {
3481                            mTitleView.setVisibility(View.GONE);
3482                        }
3483                        if (mContentParent instanceof FrameLayout) {
3484                            ((FrameLayout)mContentParent).setForeground(null);
3485                        }
3486                    } else {
3487                        mTitleView.setText(mTitle);
3488                    }
3489                }
3490            }
3491
3492            // Only inflate or create a new TransitionManager if the caller hasn't
3493            // already set a custom one.
3494            if (hasFeature(FEATURE_CONTENT_TRANSITIONS)) {
3495                if (mTransitionManager == null) {
3496                    final int transitionRes = getWindowStyle().getResourceId(
3497                            com.android.internal.R.styleable.Window_windowContentTransitionManager,
3498                            0);
3499                    if (transitionRes != 0) {
3500                        final TransitionInflater inflater = TransitionInflater.from(getContext());
3501                        mTransitionManager = inflater.inflateTransitionManager(transitionRes,
3502                                mContentParent);
3503                    } else {
3504                        mTransitionManager = new TransitionManager();
3505                    }
3506                }
3507
3508                mEnterTransition = getTransition(mEnterTransition,
3509                        com.android.internal.R.styleable.Window_windowEnterTransition);
3510                mExitTransition = getTransition(mExitTransition,
3511                        com.android.internal.R.styleable.Window_windowExitTransition);
3512                mSharedElementEnterTransition = getTransition(mSharedElementEnterTransition,
3513                        com.android.internal.R.styleable.Window_windowSharedElementEnterTransition);
3514                mSharedElementExitTransition = getTransition(mSharedElementExitTransition,
3515                        com.android.internal.R.styleable.Window_windowSharedElementExitTransition);
3516                if (mAllowEnterTransitionOverlap == null) {
3517                    mAllowEnterTransitionOverlap = getWindowStyle().getBoolean(
3518                            com.android.internal.R.styleable.
3519                                    Window_windowAllowEnterTransitionOverlap, true);
3520                }
3521                if (mAllowExitTransitionOverlap == null) {
3522                    mAllowExitTransitionOverlap = getWindowStyle().getBoolean(
3523                            com.android.internal.R.styleable.
3524                                    Window_windowAllowExitTransitionOverlap, true);
3525                }
3526                if (mBackgroundFadeDurationMillis < 0) {
3527                    mBackgroundFadeDurationMillis = getWindowStyle().getInteger(
3528                            com.android.internal.R.styleable.
3529                                    Window_windowTransitionBackgroundFadeDuration,
3530                            DEFAULT_BACKGROUND_FADE_DURATION_MS);
3531                }
3532            }
3533        }
3534    }
3535
3536    private Transition getTransition(Transition currentValue, int id) {
3537        if (currentValue != null) {
3538            return currentValue;
3539        }
3540        int transitionId = getWindowStyle().getResourceId(id, -1);
3541        Transition transition = null;
3542        if (transitionId != -1 && transitionId != com.android.internal.R.transition.no_transition) {
3543            TransitionInflater inflater = TransitionInflater.from(getContext());
3544            transition = inflater.inflateTransition(transitionId);
3545        }
3546        return transition;
3547    }
3548
3549    private Drawable loadImageURI(Uri uri) {
3550        try {
3551            return Drawable.createFromStream(
3552                    getContext().getContentResolver().openInputStream(uri), null);
3553        } catch (Exception e) {
3554            Log.w(TAG, "Unable to open content: " + uri);
3555        }
3556        return null;
3557    }
3558
3559    private DrawableFeatureState getDrawableState(int featureId, boolean required) {
3560        if ((getFeatures() & (1 << featureId)) == 0) {
3561            if (!required) {
3562                return null;
3563            }
3564            throw new RuntimeException("The feature has not been requested");
3565        }
3566
3567        DrawableFeatureState[] ar;
3568        if ((ar = mDrawables) == null || ar.length <= featureId) {
3569            DrawableFeatureState[] nar = new DrawableFeatureState[featureId + 1];
3570            if (ar != null) {
3571                System.arraycopy(ar, 0, nar, 0, ar.length);
3572            }
3573            mDrawables = ar = nar;
3574        }
3575
3576        DrawableFeatureState st = ar[featureId];
3577        if (st == null) {
3578            ar[featureId] = st = new DrawableFeatureState(featureId);
3579        }
3580        return st;
3581    }
3582
3583    /**
3584     * Gets a panel's state based on its feature ID.
3585     *
3586     * @param featureId The feature ID of the panel.
3587     * @param required Whether the panel is required (if it is required and it
3588     *            isn't in our features, this throws an exception).
3589     * @return The panel state.
3590     */
3591    private PanelFeatureState getPanelState(int featureId, boolean required) {
3592        return getPanelState(featureId, required, null);
3593    }
3594
3595    /**
3596     * Gets a panel's state based on its feature ID.
3597     *
3598     * @param featureId The feature ID of the panel.
3599     * @param required Whether the panel is required (if it is required and it
3600     *            isn't in our features, this throws an exception).
3601     * @param convertPanelState Optional: If the panel state does not exist, use
3602     *            this as the panel state.
3603     * @return The panel state.
3604     */
3605    private PanelFeatureState getPanelState(int featureId, boolean required,
3606            PanelFeatureState convertPanelState) {
3607        if ((getFeatures() & (1 << featureId)) == 0) {
3608            if (!required) {
3609                return null;
3610            }
3611            throw new RuntimeException("The feature has not been requested");
3612        }
3613
3614        PanelFeatureState[] ar;
3615        if ((ar = mPanels) == null || ar.length <= featureId) {
3616            PanelFeatureState[] nar = new PanelFeatureState[featureId + 1];
3617            if (ar != null) {
3618                System.arraycopy(ar, 0, nar, 0, ar.length);
3619            }
3620            mPanels = ar = nar;
3621        }
3622
3623        PanelFeatureState st = ar[featureId];
3624        if (st == null) {
3625            ar[featureId] = st = (convertPanelState != null)
3626                    ? convertPanelState
3627                    : new PanelFeatureState(featureId);
3628        }
3629        return st;
3630    }
3631
3632    @Override
3633    public final void setChildDrawable(int featureId, Drawable drawable) {
3634        DrawableFeatureState st = getDrawableState(featureId, true);
3635        st.child = drawable;
3636        updateDrawable(featureId, st, false);
3637    }
3638
3639    @Override
3640    public final void setChildInt(int featureId, int value) {
3641        updateInt(featureId, value, false);
3642    }
3643
3644    @Override
3645    public boolean isShortcutKey(int keyCode, KeyEvent event) {
3646        PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
3647        return st.menu != null && st.menu.isShortcutKey(keyCode, event);
3648    }
3649
3650    private void updateDrawable(int featureId, DrawableFeatureState st, boolean fromResume) {
3651        // Do nothing if the decor is not yet installed... an update will
3652        // need to be forced when we eventually become active.
3653        if (mContentParent == null) {
3654            return;
3655        }
3656
3657        final int featureMask = 1 << featureId;
3658
3659        if ((getFeatures() & featureMask) == 0 && !fromResume) {
3660            return;
3661        }
3662
3663        Drawable drawable = null;
3664        if (st != null) {
3665            drawable = st.child;
3666            if (drawable == null)
3667                drawable = st.local;
3668            if (drawable == null)
3669                drawable = st.def;
3670        }
3671        if ((getLocalFeatures() & featureMask) == 0) {
3672            if (getContainer() != null) {
3673                if (isActive() || fromResume) {
3674                    getContainer().setChildDrawable(featureId, drawable);
3675                }
3676            }
3677        } else if (st != null && (st.cur != drawable || st.curAlpha != st.alpha)) {
3678            // System.out.println("Drawable changed: old=" + st.cur
3679            // + ", new=" + drawable);
3680            st.cur = drawable;
3681            st.curAlpha = st.alpha;
3682            onDrawableChanged(featureId, drawable, st.alpha);
3683        }
3684    }
3685
3686    private void updateInt(int featureId, int value, boolean fromResume) {
3687
3688        // Do nothing if the decor is not yet installed... an update will
3689        // need to be forced when we eventually become active.
3690        if (mContentParent == null) {
3691            return;
3692        }
3693
3694        final int featureMask = 1 << featureId;
3695
3696        if ((getFeatures() & featureMask) == 0 && !fromResume) {
3697            return;
3698        }
3699
3700        if ((getLocalFeatures() & featureMask) == 0) {
3701            if (getContainer() != null) {
3702                getContainer().setChildInt(featureId, value);
3703            }
3704        } else {
3705            onIntChanged(featureId, value);
3706        }
3707    }
3708
3709    private ImageView getLeftIconView() {
3710        if (mLeftIconView != null) {
3711            return mLeftIconView;
3712        }
3713        if (mContentParent == null) {
3714            installDecor();
3715        }
3716        return (mLeftIconView = (ImageView)findViewById(com.android.internal.R.id.left_icon));
3717    }
3718
3719    @Override
3720    protected void dispatchWindowAttributesChanged(WindowManager.LayoutParams attrs) {
3721        super.dispatchWindowAttributesChanged(attrs);
3722        if (mDecor != null) {
3723            mDecor.updateColorViews(null /* insets */);
3724        }
3725    }
3726
3727    private ProgressBar getCircularProgressBar(boolean shouldInstallDecor) {
3728        if (mCircularProgressBar != null) {
3729            return mCircularProgressBar;
3730        }
3731        if (mContentParent == null && shouldInstallDecor) {
3732            installDecor();
3733        }
3734        mCircularProgressBar = (ProgressBar) findViewById(com.android.internal.R.id.progress_circular);
3735        if (mCircularProgressBar != null) {
3736            mCircularProgressBar.setVisibility(View.INVISIBLE);
3737        }
3738        return mCircularProgressBar;
3739    }
3740
3741    private ProgressBar getHorizontalProgressBar(boolean shouldInstallDecor) {
3742        if (mHorizontalProgressBar != null) {
3743            return mHorizontalProgressBar;
3744        }
3745        if (mContentParent == null && shouldInstallDecor) {
3746            installDecor();
3747        }
3748        mHorizontalProgressBar = (ProgressBar) findViewById(com.android.internal.R.id.progress_horizontal);
3749        if (mHorizontalProgressBar != null) {
3750            mHorizontalProgressBar.setVisibility(View.INVISIBLE);
3751        }
3752        return mHorizontalProgressBar;
3753    }
3754
3755    private ImageView getRightIconView() {
3756        if (mRightIconView != null) {
3757            return mRightIconView;
3758        }
3759        if (mContentParent == null) {
3760            installDecor();
3761        }
3762        return (mRightIconView = (ImageView)findViewById(com.android.internal.R.id.right_icon));
3763    }
3764
3765    private void registerSwipeCallbacks() {
3766        SwipeDismissLayout swipeDismiss =
3767                (SwipeDismissLayout) findViewById(com.android.internal.R.id.content);
3768        swipeDismiss.setOnDismissedListener(new SwipeDismissLayout.OnDismissedListener() {
3769            @Override
3770            public void onDismissed(SwipeDismissLayout layout) {
3771                dispatchOnWindowDismissed();
3772            }
3773        });
3774        swipeDismiss.setOnSwipeProgressChangedListener(
3775                new SwipeDismissLayout.OnSwipeProgressChangedListener() {
3776                    private static final float ALPHA_DECREASE = 0.5f;
3777                    private boolean mIsTranslucent = false;
3778                    @Override
3779                    public void onSwipeProgressChanged(
3780                            SwipeDismissLayout layout, float progress, float translate) {
3781                        WindowManager.LayoutParams newParams = getAttributes();
3782                        newParams.x = (int) translate;
3783                        newParams.alpha = 1 - (progress * ALPHA_DECREASE);
3784                        setAttributes(newParams);
3785
3786                        int flags = 0;
3787                        if (newParams.x == 0) {
3788                            flags = FLAG_FULLSCREEN;
3789                        } else {
3790                            flags = FLAG_LAYOUT_NO_LIMITS;
3791                        }
3792                        setFlags(flags, FLAG_FULLSCREEN | FLAG_LAYOUT_NO_LIMITS);
3793                    }
3794
3795                    @Override
3796                    public void onSwipeCancelled(SwipeDismissLayout layout) {
3797                        WindowManager.LayoutParams newParams = getAttributes();
3798                        newParams.x = 0;
3799                        newParams.alpha = 1;
3800                        setAttributes(newParams);
3801                        setFlags(FLAG_FULLSCREEN, FLAG_FULLSCREEN | FLAG_LAYOUT_NO_LIMITS);
3802                    }
3803                });
3804    }
3805
3806    /**
3807     * Helper method for calling the {@link Callback#onPanelClosed(int, Menu)}
3808     * callback. This method will grab whatever extra state is needed for the
3809     * callback that isn't given in the parameters. If the panel is not open,
3810     * this will not perform the callback.
3811     *
3812     * @param featureId Feature ID of the panel that was closed. Must be given.
3813     * @param panel Panel that was closed. Optional but useful if there is no
3814     *            menu given.
3815     * @param menu The menu that was closed. Optional, but give if you have.
3816     */
3817    private void callOnPanelClosed(int featureId, PanelFeatureState panel, Menu menu) {
3818        final Callback cb = getCallback();
3819        if (cb == null)
3820            return;
3821
3822        // Try to get a menu
3823        if (menu == null) {
3824            // Need a panel to grab the menu, so try to get that
3825            if (panel == null) {
3826                if ((featureId >= 0) && (featureId < mPanels.length)) {
3827                    panel = mPanels[featureId];
3828                }
3829            }
3830
3831            if (panel != null) {
3832                // menu still may be null, which is okay--we tried our best
3833                menu = panel.menu;
3834            }
3835        }
3836
3837        // If the panel is not open, do not callback
3838        if ((panel != null) && (!panel.isOpen))
3839            return;
3840
3841        if (!isDestroyed()) {
3842            cb.onPanelClosed(featureId, menu);
3843        }
3844    }
3845
3846    /**
3847     * Helper method for adding launch-search to most applications. Opens the
3848     * search window using default settings.
3849     *
3850     * @return true if search window opened
3851     */
3852    private boolean launchDefaultSearch() {
3853        final Callback cb = getCallback();
3854        if (cb == null || isDestroyed()) {
3855            return false;
3856        } else {
3857            sendCloseSystemWindows("search");
3858            return cb.onSearchRequested();
3859        }
3860    }
3861
3862    @Override
3863    public void setVolumeControlStream(int streamType) {
3864        mVolumeControlStreamType = streamType;
3865    }
3866
3867    @Override
3868    public int getVolumeControlStream() {
3869        return mVolumeControlStreamType;
3870    }
3871
3872    @Override
3873    public void setMediaController(MediaController controller) {
3874        mMediaController = controller;
3875    }
3876
3877    @Override
3878    public MediaController getMediaController() {
3879        return mMediaController;
3880    }
3881
3882    private boolean isTranslucent() {
3883        TypedArray a = getWindowStyle();
3884        return a.getBoolean(a.getResourceId(
3885                com.android.internal.R.styleable.Window_windowIsTranslucent, 0), false);
3886    }
3887
3888    @Override
3889    public void setEnterTransition(Transition enterTransition) {
3890        mEnterTransition = enterTransition;
3891    }
3892
3893    @Override
3894    public void setExitTransition(Transition exitTransition) {
3895        mExitTransition = exitTransition;
3896    }
3897
3898    @Override
3899    public void setSharedElementEnterTransition(Transition sharedElementEnterTransition) {
3900        mSharedElementEnterTransition = sharedElementEnterTransition;
3901    }
3902
3903    @Override
3904    public void setSharedElementExitTransition(Transition sharedElementExitTransition) {
3905        mSharedElementExitTransition = sharedElementExitTransition;
3906    }
3907
3908    @Override
3909    public Transition getEnterTransition() {
3910        return mEnterTransition;
3911    }
3912
3913    @Override
3914    public Transition getExitTransition() {
3915        return mExitTransition;
3916    }
3917
3918    @Override
3919    public Transition getSharedElementEnterTransition() {
3920        return mSharedElementEnterTransition;
3921    }
3922
3923    @Override
3924    public Transition getSharedElementExitTransition() {
3925        return mSharedElementExitTransition;
3926    }
3927
3928    @Override
3929    public void setAllowEnterTransitionOverlap(boolean allow) {
3930        mAllowEnterTransitionOverlap = allow;
3931    }
3932
3933    @Override
3934    public boolean getAllowEnterTransitionOverlap() {
3935        return (mAllowEnterTransitionOverlap == null) ? true : mAllowEnterTransitionOverlap;
3936    }
3937
3938    @Override
3939    public void setAllowExitTransitionOverlap(boolean allowExitTransitionOverlap) {
3940        mAllowExitTransitionOverlap = allowExitTransitionOverlap;
3941    }
3942
3943    @Override
3944    public boolean getAllowExitTransitionOverlap() {
3945        return (mAllowExitTransitionOverlap == null) ? true : mAllowExitTransitionOverlap;
3946    }
3947
3948    @Override
3949    public long getTransitionBackgroundFadeDuration() {
3950        return (mBackgroundFadeDurationMillis < 0) ? DEFAULT_BACKGROUND_FADE_DURATION_MS
3951                : mBackgroundFadeDurationMillis;
3952    }
3953
3954    @Override
3955    public void setTransitionBackgroundFadeDuration(long fadeDurationMillis) {
3956        if (fadeDurationMillis < 0) {
3957            throw new IllegalArgumentException("negative durations are not allowed");
3958        }
3959        mBackgroundFadeDurationMillis = fadeDurationMillis;
3960    }
3961
3962    private static final class DrawableFeatureState {
3963        DrawableFeatureState(int _featureId) {
3964            featureId = _featureId;
3965        }
3966
3967        final int featureId;
3968
3969        int resid;
3970
3971        Uri uri;
3972
3973        Drawable local;
3974
3975        Drawable child;
3976
3977        Drawable def;
3978
3979        Drawable cur;
3980
3981        int alpha = 255;
3982
3983        int curAlpha = 255;
3984    }
3985
3986    private static final class PanelFeatureState {
3987
3988        /** Feature ID for this panel. */
3989        int featureId;
3990
3991        // Information pulled from the style for this panel.
3992
3993        int background;
3994
3995        /** The background when the panel spans the entire available width. */
3996        int fullBackground;
3997
3998        int gravity;
3999
4000        int x;
4001
4002        int y;
4003
4004        int windowAnimations;
4005
4006        /** Dynamic state of the panel. */
4007        DecorView decorView;
4008
4009        /** The panel that was returned by onCreatePanelView(). */
4010        View createdPanelView;
4011
4012        /** The panel that we are actually showing. */
4013        View shownPanelView;
4014
4015        /** Use {@link #setMenu} to set this. */
4016        MenuBuilder menu;
4017
4018        IconMenuPresenter iconMenuPresenter;
4019        ListMenuPresenter listMenuPresenter;
4020
4021        /** true if this menu will show in single-list compact mode */
4022        boolean isCompact;
4023
4024        /** Theme resource ID for list elements of the panel menu */
4025        int listPresenterTheme;
4026
4027        /**
4028         * Whether the panel has been prepared (see
4029         * {@link PhoneWindow#preparePanel}).
4030         */
4031        boolean isPrepared;
4032
4033        /**
4034         * Whether an item's action has been performed. This happens in obvious
4035         * scenarios (user clicks on menu item), but can also happen with
4036         * chording menu+(shortcut key).
4037         */
4038        boolean isHandled;
4039
4040        boolean isOpen;
4041
4042        /**
4043         * True if the menu is in expanded mode, false if the menu is in icon
4044         * mode
4045         */
4046        boolean isInExpandedMode;
4047
4048        public boolean qwertyMode;
4049
4050        boolean refreshDecorView;
4051
4052        boolean refreshMenuContent;
4053
4054        boolean wasLastOpen;
4055
4056        boolean wasLastExpanded;
4057
4058        /**
4059         * Contains the state of the menu when told to freeze.
4060         */
4061        Bundle frozenMenuState;
4062
4063        /**
4064         * Contains the state of associated action views when told to freeze.
4065         * These are saved across invalidations.
4066         */
4067        Bundle frozenActionViewState;
4068
4069        PanelFeatureState(int featureId) {
4070            this.featureId = featureId;
4071
4072            refreshDecorView = false;
4073        }
4074
4075        public boolean isInListMode() {
4076            return isInExpandedMode || isCompact;
4077        }
4078
4079        public boolean hasPanelItems() {
4080            if (shownPanelView == null) return false;
4081            if (createdPanelView != null) return true;
4082
4083            if (isCompact || isInExpandedMode) {
4084                return listMenuPresenter.getAdapter().getCount() > 0;
4085            } else {
4086                return ((ViewGroup) shownPanelView).getChildCount() > 0;
4087            }
4088        }
4089
4090        /**
4091         * Unregister and free attached MenuPresenters. They will be recreated as needed.
4092         */
4093        public void clearMenuPresenters() {
4094            if (menu != null) {
4095                menu.removeMenuPresenter(iconMenuPresenter);
4096                menu.removeMenuPresenter(listMenuPresenter);
4097            }
4098            iconMenuPresenter = null;
4099            listMenuPresenter = null;
4100        }
4101
4102        void setStyle(Context context) {
4103            TypedArray a = context.obtainStyledAttributes(com.android.internal.R.styleable.Theme);
4104            background = a.getResourceId(
4105                    com.android.internal.R.styleable.Theme_panelBackground, 0);
4106            fullBackground = a.getResourceId(
4107                    com.android.internal.R.styleable.Theme_panelFullBackground, 0);
4108            windowAnimations = a.getResourceId(
4109                    com.android.internal.R.styleable.Theme_windowAnimationStyle, 0);
4110            isCompact = a.getBoolean(
4111                    com.android.internal.R.styleable.Theme_panelMenuIsCompact, false);
4112            listPresenterTheme = a.getResourceId(
4113                    com.android.internal.R.styleable.Theme_panelMenuListTheme,
4114                    com.android.internal.R.style.Theme_ExpandedMenu);
4115            a.recycle();
4116        }
4117
4118        void setMenu(MenuBuilder menu) {
4119            if (menu == this.menu) return;
4120
4121            if (this.menu != null) {
4122                this.menu.removeMenuPresenter(iconMenuPresenter);
4123                this.menu.removeMenuPresenter(listMenuPresenter);
4124            }
4125            this.menu = menu;
4126            if (menu != null) {
4127                if (iconMenuPresenter != null) menu.addMenuPresenter(iconMenuPresenter);
4128                if (listMenuPresenter != null) menu.addMenuPresenter(listMenuPresenter);
4129            }
4130        }
4131
4132        MenuView getListMenuView(Context context, MenuPresenter.Callback cb) {
4133            if (menu == null) return null;
4134
4135            if (!isCompact) {
4136                getIconMenuView(context, cb); // Need this initialized to know where our offset goes
4137            }
4138
4139            if (listMenuPresenter == null) {
4140                listMenuPresenter = new ListMenuPresenter(
4141                        com.android.internal.R.layout.list_menu_item_layout, listPresenterTheme);
4142                listMenuPresenter.setCallback(cb);
4143                listMenuPresenter.setId(com.android.internal.R.id.list_menu_presenter);
4144                menu.addMenuPresenter(listMenuPresenter);
4145            }
4146
4147            if (iconMenuPresenter != null) {
4148                listMenuPresenter.setItemIndexOffset(
4149                        iconMenuPresenter.getNumActualItemsShown());
4150            }
4151            MenuView result = listMenuPresenter.getMenuView(decorView);
4152
4153            return result;
4154        }
4155
4156        MenuView getIconMenuView(Context context, MenuPresenter.Callback cb) {
4157            if (menu == null) return null;
4158
4159            if (iconMenuPresenter == null) {
4160                iconMenuPresenter = new IconMenuPresenter(context);
4161                iconMenuPresenter.setCallback(cb);
4162                iconMenuPresenter.setId(com.android.internal.R.id.icon_menu_presenter);
4163                menu.addMenuPresenter(iconMenuPresenter);
4164            }
4165
4166            MenuView result = iconMenuPresenter.getMenuView(decorView);
4167
4168            return result;
4169        }
4170
4171        Parcelable onSaveInstanceState() {
4172            SavedState savedState = new SavedState();
4173            savedState.featureId = featureId;
4174            savedState.isOpen = isOpen;
4175            savedState.isInExpandedMode = isInExpandedMode;
4176
4177            if (menu != null) {
4178                savedState.menuState = new Bundle();
4179                menu.savePresenterStates(savedState.menuState);
4180            }
4181
4182            return savedState;
4183        }
4184
4185        void onRestoreInstanceState(Parcelable state) {
4186            SavedState savedState = (SavedState) state;
4187            featureId = savedState.featureId;
4188            wasLastOpen = savedState.isOpen;
4189            wasLastExpanded = savedState.isInExpandedMode;
4190            frozenMenuState = savedState.menuState;
4191
4192            /*
4193             * A LocalActivityManager keeps the same instance of this class around.
4194             * The first time the menu is being shown after restoring, the
4195             * Activity.onCreateOptionsMenu should be called. But, if it is the
4196             * same instance then menu != null and we won't call that method.
4197             * We clear any cached views here. The caller should invalidatePanelMenu.
4198             */
4199            createdPanelView = null;
4200            shownPanelView = null;
4201            decorView = null;
4202        }
4203
4204        void applyFrozenState() {
4205            if (menu != null && frozenMenuState != null) {
4206                menu.restorePresenterStates(frozenMenuState);
4207                frozenMenuState = null;
4208            }
4209        }
4210
4211        private static class SavedState implements Parcelable {
4212            int featureId;
4213            boolean isOpen;
4214            boolean isInExpandedMode;
4215            Bundle menuState;
4216
4217            public int describeContents() {
4218                return 0;
4219            }
4220
4221            public void writeToParcel(Parcel dest, int flags) {
4222                dest.writeInt(featureId);
4223                dest.writeInt(isOpen ? 1 : 0);
4224                dest.writeInt(isInExpandedMode ? 1 : 0);
4225
4226                if (isOpen) {
4227                    dest.writeBundle(menuState);
4228                }
4229            }
4230
4231            private static SavedState readFromParcel(Parcel source) {
4232                SavedState savedState = new SavedState();
4233                savedState.featureId = source.readInt();
4234                savedState.isOpen = source.readInt() == 1;
4235                savedState.isInExpandedMode = source.readInt() == 1;
4236
4237                if (savedState.isOpen) {
4238                    savedState.menuState = source.readBundle();
4239                }
4240
4241                return savedState;
4242            }
4243
4244            public static final Parcelable.Creator<SavedState> CREATOR
4245                    = new Parcelable.Creator<SavedState>() {
4246                public SavedState createFromParcel(Parcel in) {
4247                    return readFromParcel(in);
4248                }
4249
4250                public SavedState[] newArray(int size) {
4251                    return new SavedState[size];
4252                }
4253            };
4254        }
4255
4256    }
4257
4258    static class RotationWatcher extends IRotationWatcher.Stub {
4259        private Handler mHandler;
4260        private final Runnable mRotationChanged = new Runnable() {
4261            public void run() {
4262                dispatchRotationChanged();
4263            }
4264        };
4265        private final ArrayList<WeakReference<PhoneWindow>> mWindows =
4266                new ArrayList<WeakReference<PhoneWindow>>();
4267        private boolean mIsWatching;
4268
4269        @Override
4270        public void onRotationChanged(int rotation) throws RemoteException {
4271            mHandler.post(mRotationChanged);
4272        }
4273
4274        public void addWindow(PhoneWindow phoneWindow) {
4275            synchronized (mWindows) {
4276                if (!mIsWatching) {
4277                    try {
4278                        WindowManagerHolder.sWindowManager.watchRotation(this);
4279                        mHandler = new Handler();
4280                        mIsWatching = true;
4281                    } catch (RemoteException ex) {
4282                        Log.e(TAG, "Couldn't start watching for device rotation", ex);
4283                    }
4284                }
4285                mWindows.add(new WeakReference<PhoneWindow>(phoneWindow));
4286            }
4287        }
4288
4289        public void removeWindow(PhoneWindow phoneWindow) {
4290            synchronized (mWindows) {
4291                int i = 0;
4292                while (i < mWindows.size()) {
4293                    final WeakReference<PhoneWindow> ref = mWindows.get(i);
4294                    final PhoneWindow win = ref.get();
4295                    if (win == null || win == phoneWindow) {
4296                        mWindows.remove(i);
4297                    } else {
4298                        i++;
4299                    }
4300                }
4301            }
4302        }
4303
4304        void dispatchRotationChanged() {
4305            synchronized (mWindows) {
4306                int i = 0;
4307                while (i < mWindows.size()) {
4308                    final WeakReference<PhoneWindow> ref = mWindows.get(i);
4309                    final PhoneWindow win = ref.get();
4310                    if (win != null) {
4311                        win.onOptionsPanelRotationChanged();
4312                        i++;
4313                    } else {
4314                        mWindows.remove(i);
4315                    }
4316                }
4317            }
4318        }
4319    }
4320
4321    /**
4322     * Simple implementation of MenuBuilder.Callback that:
4323     * <li> Opens a submenu when selected.
4324     * <li> Calls back to the callback's onMenuItemSelected when an item is
4325     * selected.
4326     */
4327    private final class DialogMenuCallback implements MenuBuilder.Callback, MenuPresenter.Callback {
4328        private int mFeatureId;
4329        private MenuDialogHelper mSubMenuHelper;
4330
4331        public DialogMenuCallback(int featureId) {
4332            mFeatureId = featureId;
4333        }
4334
4335        public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
4336            if (menu.getRootMenu() != menu) {
4337                onCloseSubMenu(menu);
4338            }
4339
4340            if (allMenusAreClosing) {
4341                Callback callback = getCallback();
4342                if (callback != null && !isDestroyed()) {
4343                    callback.onPanelClosed(mFeatureId, menu);
4344                }
4345
4346                if (menu == mContextMenu) {
4347                    dismissContextMenu();
4348                }
4349
4350                // Dismiss the submenu, if it is showing
4351                if (mSubMenuHelper != null) {
4352                    mSubMenuHelper.dismiss();
4353                    mSubMenuHelper = null;
4354                }
4355            }
4356        }
4357
4358        public void onCloseSubMenu(MenuBuilder menu) {
4359            Callback callback = getCallback();
4360            if (callback != null && !isDestroyed()) {
4361                callback.onPanelClosed(mFeatureId, menu.getRootMenu());
4362            }
4363        }
4364
4365        public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
4366            Callback callback = getCallback();
4367            return (callback != null && !isDestroyed())
4368                    && callback.onMenuItemSelected(mFeatureId, item);
4369        }
4370
4371        public void onMenuModeChange(MenuBuilder menu) {
4372        }
4373
4374        public boolean onOpenSubMenu(MenuBuilder subMenu) {
4375            if (subMenu == null) return false;
4376
4377            // Set a simple callback for the submenu
4378            subMenu.setCallback(this);
4379
4380            // The window manager will give us a valid window token
4381            mSubMenuHelper = new MenuDialogHelper(subMenu);
4382            mSubMenuHelper.show(null);
4383
4384            return true;
4385        }
4386    }
4387
4388    void sendCloseSystemWindows() {
4389        PhoneWindowManager.sendCloseSystemWindows(getContext(), null);
4390    }
4391
4392    void sendCloseSystemWindows(String reason) {
4393        PhoneWindowManager.sendCloseSystemWindows(getContext(), reason);
4394    }
4395
4396    @Override
4397    public int getStatusBarColor() {
4398        return mStatusBarColor;
4399    }
4400
4401    @Override
4402    public void setStatusBarColor(int color) {
4403        mStatusBarColor = color;
4404        mForcedStatusBarColor = true;
4405        if (mDecor != null) {
4406            mDecor.updateColorViews(null);
4407        }
4408    }
4409
4410    @Override
4411    public int getNavigationBarColor() {
4412        return mNavigationBarColor;
4413    }
4414
4415    @Override
4416    public void setNavigationBarColor(int color) {
4417        mNavigationBarColor = color;
4418        mForcedNavigationBarColor = true;
4419        if (mDecor != null) {
4420            mDecor.updateColorViews(null);
4421        }
4422    }
4423}
4424