AppCompatDelegateImplV7.java revision 0b30bc953eb10599ed2c055534bf0d44a856bcfd 
1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.support.v7.app;
18
19import android.app.Activity;
20import android.app.Dialog;
21import android.content.Context;
22import android.content.res.Configuration;
23import android.content.res.Resources;
24import android.content.res.TypedArray;
25import android.graphics.PixelFormat;
26import android.graphics.Rect;
27import android.media.AudioManager;
28import android.os.Build;
29import android.os.Bundle;
30import android.os.Parcel;
31import android.os.Parcelable;
32import android.support.annotation.IdRes;
33import android.support.annotation.NonNull;
34import android.support.annotation.Nullable;
35import android.support.v4.app.NavUtils;
36import android.support.v4.os.ParcelableCompat;
37import android.support.v4.os.ParcelableCompatCreatorCallbacks;
38import android.support.v4.view.LayoutInflaterCompat;
39import android.support.v4.view.LayoutInflaterFactory;
40import android.support.v4.view.OnApplyWindowInsetsListener;
41import android.support.v4.view.ViewCompat;
42import android.support.v4.view.ViewConfigurationCompat;
43import android.support.v4.view.ViewPropertyAnimatorCompat;
44import android.support.v4.view.ViewPropertyAnimatorListenerAdapter;
45import android.support.v4.view.WindowCompat;
46import android.support.v4.view.WindowInsetsCompat;
47import android.support.v4.widget.PopupWindowCompat;
48import android.support.v7.appcompat.R;
49import android.support.v7.view.ActionMode;
50import android.support.v7.view.ContextThemeWrapper;
51import android.support.v7.view.StandaloneActionMode;
52import android.support.v7.view.menu.ListMenuPresenter;
53import android.support.v7.view.menu.MenuBuilder;
54import android.support.v7.view.menu.MenuPresenter;
55import android.support.v7.view.menu.MenuView;
56import android.support.v7.widget.ActionBarContextView;
57import android.support.v7.widget.AppCompatDrawableManager;
58import android.support.v7.widget.ContentFrameLayout;
59import android.support.v7.widget.DecorContentParent;
60import android.support.v7.widget.FitWindowsViewGroup;
61import android.support.v7.widget.Toolbar;
62import android.support.v7.widget.VectorEnabledTintResources;
63import android.support.v7.widget.ViewStubCompat;
64import android.support.v7.widget.ViewUtils;
65import android.text.TextUtils;
66import android.util.AndroidRuntimeException;
67import android.util.AttributeSet;
68import android.util.Log;
69import android.util.TypedValue;
70import android.view.Gravity;
71import android.view.KeyCharacterMap;
72import android.view.KeyEvent;
73import android.view.LayoutInflater;
74import android.view.Menu;
75import android.view.MenuItem;
76import android.view.MotionEvent;
77import android.view.View;
78import android.view.ViewConfiguration;
79import android.view.ViewGroup;
80import android.view.ViewParent;
81import android.view.Window;
82import android.view.WindowManager;
83import android.view.accessibility.AccessibilityEvent;
84import android.widget.FrameLayout;
85import android.widget.PopupWindow;
86import android.widget.TextView;
87
88import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
89import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
90import static android.view.Window.FEATURE_OPTIONS_PANEL;
91
92class AppCompatDelegateImplV7 extends AppCompatDelegateImplBase
93        implements MenuBuilder.Callback, LayoutInflaterFactory {
94
95    private DecorContentParent mDecorContentParent;
96    private ActionMenuPresenterCallback mActionMenuPresenterCallback;
97    private PanelMenuPresenterCallback mPanelMenuPresenterCallback;
98
99    ActionMode mActionMode;
100    ActionBarContextView mActionModeView;
101    PopupWindow mActionModePopup;
102    Runnable mShowActionModePopup;
103    ViewPropertyAnimatorCompat mFadeAnim = null;
104
105    // true if we have installed a window sub-decor layout.
106    private boolean mSubDecorInstalled;
107    private ViewGroup mSubDecor;
108
109    private TextView mTitleView;
110    private View mStatusGuard;
111
112    // Used to keep track of Progress Bar Window features
113    private boolean mFeatureProgress, mFeatureIndeterminateProgress;
114
115    // Used for emulating PanelFeatureState
116    private boolean mClosingActionMenu;
117    private PanelFeatureState[] mPanels;
118    private PanelFeatureState mPreparedPanel;
119
120    private boolean mLongPressBackDown;
121
122    private boolean mInvalidatePanelMenuPosted;
123    private int mInvalidatePanelMenuFeatures;
124    private final Runnable mInvalidatePanelMenuRunnable = new Runnable() {
125        @Override
126        public void run() {
127            if ((mInvalidatePanelMenuFeatures & 1 << FEATURE_OPTIONS_PANEL) != 0) {
128                doInvalidatePanelMenu(FEATURE_OPTIONS_PANEL);
129            }
130            if ((mInvalidatePanelMenuFeatures & 1 << FEATURE_SUPPORT_ACTION_BAR) != 0) {
131                doInvalidatePanelMenu(FEATURE_SUPPORT_ACTION_BAR);
132            }
133            mInvalidatePanelMenuPosted = false;
134            mInvalidatePanelMenuFeatures = 0;
135        }
136    };
137
138    private boolean mEnableDefaultActionBarUp;
139
140    private Rect mTempRect1;
141    private Rect mTempRect2;
142
143    private AppCompatViewInflater mAppCompatViewInflater;
144
145    AppCompatDelegateImplV7(Context context, Window window, AppCompatCallback callback) {
146        super(context, window, callback);
147    }
148
149    @Override
150    public void onCreate(Bundle savedInstanceState) {
151        if (mOriginalWindowCallback instanceof Activity) {
152            if (NavUtils.getParentActivityName((Activity) mOriginalWindowCallback) != null) {
153                // Peek at the Action Bar and update it if it already exists
154                ActionBar ab = peekSupportActionBar();
155                if (ab == null) {
156                    mEnableDefaultActionBarUp = true;
157                } else {
158                    ab.setDefaultDisplayHomeAsUpEnabled(true);
159                }
160            }
161        }
162    }
163
164    @Override
165    public void onPostCreate(Bundle savedInstanceState) {
166        // Make sure that the sub decor is installed
167        ensureSubDecor();
168    }
169
170    @Override
171    public void initWindowDecorActionBar() {
172        ensureSubDecor();
173
174        if (!mHasActionBar || mActionBar != null) {
175            return;
176        }
177
178        if (mOriginalWindowCallback instanceof Activity) {
179            mActionBar = new WindowDecorActionBar((Activity) mOriginalWindowCallback,
180                    mOverlayActionBar);
181        } else if (mOriginalWindowCallback instanceof Dialog) {
182            mActionBar = new WindowDecorActionBar((Dialog) mOriginalWindowCallback);
183        }
184        if (mActionBar != null) {
185            mActionBar.setDefaultDisplayHomeAsUpEnabled(mEnableDefaultActionBarUp);
186        }
187    }
188
189    @Override
190    public void setSupportActionBar(Toolbar toolbar) {
191        if (!(mOriginalWindowCallback instanceof Activity)) {
192            // Only Activities support custom Action Bars
193            return;
194        }
195
196        final ActionBar ab = getSupportActionBar();
197        if (ab instanceof WindowDecorActionBar) {
198            throw new IllegalStateException("This Activity already has an action bar supplied " +
199                    "by the window decor. Do not request Window.FEATURE_SUPPORT_ACTION_BAR and set " +
200                    "windowActionBar to false in your theme to use a Toolbar instead.");
201        }
202
203        // If we reach here then we're setting a new action bar
204        // First clear out the MenuInflater to make sure that it is valid for the new Action Bar
205        mMenuInflater = null;
206
207        // If we have an action bar currently, destroy it
208        if (ab != null) {
209            ab.onDestroy();
210        }
211
212        if (toolbar != null) {
213            final ToolbarActionBar tbab = new ToolbarActionBar(toolbar,
214                    ((Activity) mContext).getTitle(), mAppCompatWindowCallback);
215            mActionBar = tbab;
216            mWindow.setCallback(tbab.getWrappedWindowCallback());
217        } else {
218            mActionBar = null;
219            // Re-set the original window callback since we may have already set a Toolbar wrapper
220            mWindow.setCallback(mAppCompatWindowCallback);
221        }
222
223        invalidateOptionsMenu();
224    }
225
226    @Nullable
227    @Override
228    public View findViewById(@IdRes int id) {
229        ensureSubDecor();
230        return mWindow.findViewById(id);
231    }
232
233    @Override
234    public void onConfigurationChanged(Configuration newConfig) {
235        // If this is called before sub-decor is installed, ActionBar will not
236        // be properly initialized.
237        if (mHasActionBar && mSubDecorInstalled) {
238            // Note: The action bar will need to access
239            // view changes from superclass.
240            ActionBar ab = getSupportActionBar();
241            if (ab != null) {
242                ab.onConfigurationChanged(newConfig);
243            }
244        }
245
246        // Re-apply Day/Night to the new configuration
247        applyDayNight();
248    }
249
250    @Override
251    public void onStop() {
252        ActionBar ab = getSupportActionBar();
253        if (ab != null) {
254            ab.setShowHideAnimationEnabled(false);
255        }
256    }
257
258    @Override
259    public void onPostResume() {
260        ActionBar ab = getSupportActionBar();
261        if (ab != null) {
262            ab.setShowHideAnimationEnabled(true);
263        }
264    }
265
266    @Override
267    public void setContentView(View v) {
268        ensureSubDecor();
269        ViewGroup contentParent = (ViewGroup) mSubDecor.findViewById(android.R.id.content);
270        contentParent.removeAllViews();
271        contentParent.addView(v);
272        mOriginalWindowCallback.onContentChanged();
273    }
274
275    @Override
276    public void setContentView(int resId) {
277        ensureSubDecor();
278        ViewGroup contentParent = (ViewGroup) mSubDecor.findViewById(android.R.id.content);
279        contentParent.removeAllViews();
280        LayoutInflater.from(mContext).inflate(resId, contentParent);
281        mOriginalWindowCallback.onContentChanged();
282    }
283
284    @Override
285    public void setContentView(View v, ViewGroup.LayoutParams lp) {
286        ensureSubDecor();
287        ViewGroup contentParent = (ViewGroup) mSubDecor.findViewById(android.R.id.content);
288        contentParent.removeAllViews();
289        contentParent.addView(v, lp);
290        mOriginalWindowCallback.onContentChanged();
291    }
292
293    @Override
294    public void addContentView(View v, ViewGroup.LayoutParams lp) {
295        ensureSubDecor();
296        ViewGroup contentParent = (ViewGroup) mSubDecor.findViewById(android.R.id.content);
297        contentParent.addView(v, lp);
298        mOriginalWindowCallback.onContentChanged();
299    }
300
301    @Override
302    public void onDestroy() {
303        super.onDestroy();
304
305        if (mActionBar != null) {
306            mActionBar.onDestroy();
307        }
308    }
309
310    private void ensureSubDecor() {
311        if (!mSubDecorInstalled) {
312            mSubDecor = createSubDecor();
313
314            // If a title was set before we installed the decor, propogate it now
315            CharSequence title = getTitle();
316            if (!TextUtils.isEmpty(title)) {
317                onTitleChanged(title);
318            }
319
320            applyFixedSizeWindow();
321
322            onSubDecorInstalled(mSubDecor);
323
324            mSubDecorInstalled = true;
325
326            // Invalidate if the panel menu hasn't been created before this.
327            // Panel menu invalidation is deferred avoiding application onCreateOptionsMenu
328            // being called in the middle of onCreate or similar.
329            // A pending invalidation will typically be resolved before the posted message
330            // would run normally in order to satisfy instance state restoration.
331            PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
332            if (!isDestroyed() && (st == null || st.menu == null)) {
333                invalidatePanelMenu(FEATURE_SUPPORT_ACTION_BAR);
334            }
335        }
336    }
337
338    private ViewGroup createSubDecor() {
339        TypedArray a = mContext.obtainStyledAttributes(R.styleable.AppCompatTheme);
340
341        if (!a.hasValue(R.styleable.AppCompatTheme_windowActionBar)) {
342            a.recycle();
343            throw new IllegalStateException(
344                    "You need to use a Theme.AppCompat theme (or descendant) with this activity.");
345        }
346
347        if (a.getBoolean(R.styleable.AppCompatTheme_windowNoTitle, false)) {
348            requestWindowFeature(Window.FEATURE_NO_TITLE);
349        } else if (a.getBoolean(R.styleable.AppCompatTheme_windowActionBar, false)) {
350            // Don't allow an action bar if there is no title.
351            requestWindowFeature(FEATURE_SUPPORT_ACTION_BAR);
352        }
353        if (a.getBoolean(R.styleable.AppCompatTheme_windowActionBarOverlay, false)) {
354            requestWindowFeature(FEATURE_SUPPORT_ACTION_BAR_OVERLAY);
355        }
356        if (a.getBoolean(R.styleable.AppCompatTheme_windowActionModeOverlay, false)) {
357            requestWindowFeature(FEATURE_ACTION_MODE_OVERLAY);
358        }
359        mIsFloating = a.getBoolean(R.styleable.AppCompatTheme_android_windowIsFloating, false);
360        a.recycle();
361
362        // Now let's make sure that the Window has installed its decor by retrieving it
363        mWindow.getDecorView();
364
365        final LayoutInflater inflater = LayoutInflater.from(mContext);
366        ViewGroup subDecor = null;
367
368
369        if (!mWindowNoTitle) {
370            if (mIsFloating) {
371                // If we're floating, inflate the dialog title decor
372                subDecor = (ViewGroup) inflater.inflate(
373                        R.layout.abc_dialog_title_material, null);
374
375                // Floating windows can never have an action bar, reset the flags
376                mHasActionBar = mOverlayActionBar = false;
377            } else if (mHasActionBar) {
378                /**
379                 * This needs some explanation. As we can not use the android:theme attribute
380                 * pre-L, we emulate it by manually creating a LayoutInflater using a
381                 * ContextThemeWrapper pointing to actionBarTheme.
382                 */
383                TypedValue outValue = new TypedValue();
384                mContext.getTheme().resolveAttribute(R.attr.actionBarTheme, outValue, true);
385
386                Context themedContext;
387                if (outValue.resourceId != 0) {
388                    themedContext = new ContextThemeWrapper(mContext, outValue.resourceId);
389                } else {
390                    themedContext = mContext;
391                }
392
393                // Now inflate the view using the themed context and set it as the content view
394                subDecor = (ViewGroup) LayoutInflater.from(themedContext)
395                        .inflate(R.layout.abc_screen_toolbar, null);
396
397                mDecorContentParent = (DecorContentParent) subDecor
398                        .findViewById(R.id.decor_content_parent);
399                mDecorContentParent.setWindowCallback(getWindowCallback());
400
401                /**
402                 * Propagate features to DecorContentParent
403                 */
404                if (mOverlayActionBar) {
405                    mDecorContentParent.initFeature(FEATURE_SUPPORT_ACTION_BAR_OVERLAY);
406                }
407                if (mFeatureProgress) {
408                    mDecorContentParent.initFeature(Window.FEATURE_PROGRESS);
409                }
410                if (mFeatureIndeterminateProgress) {
411                    mDecorContentParent.initFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
412                }
413            }
414        } else {
415            if (mOverlayActionMode) {
416                subDecor = (ViewGroup) inflater.inflate(
417                        R.layout.abc_screen_simple_overlay_action_mode, null);
418            } else {
419                subDecor = (ViewGroup) inflater.inflate(R.layout.abc_screen_simple, null);
420            }
421
422            if (Build.VERSION.SDK_INT >= 21) {
423                // If we're running on L or above, we can rely on ViewCompat's
424                // setOnApplyWindowInsetsListener
425                ViewCompat.setOnApplyWindowInsetsListener(subDecor,
426                        new OnApplyWindowInsetsListener() {
427                            @Override
428                            public WindowInsetsCompat onApplyWindowInsets(View v,
429                                    WindowInsetsCompat insets) {
430                                final int top = insets.getSystemWindowInsetTop();
431                                final int newTop = updateStatusGuard(top);
432
433                                if (top != newTop) {
434                                    insets = insets.replaceSystemWindowInsets(
435                                            insets.getSystemWindowInsetLeft(),
436                                            newTop,
437                                            insets.getSystemWindowInsetRight(),
438                                            insets.getSystemWindowInsetBottom());
439                                }
440
441                                // Now apply the insets on our view
442                                return ViewCompat.onApplyWindowInsets(v, insets);
443                            }
444                        });
445            } else {
446                // Else, we need to use our own FitWindowsViewGroup handling
447                ((FitWindowsViewGroup) subDecor).setOnFitSystemWindowsListener(
448                        new FitWindowsViewGroup.OnFitSystemWindowsListener() {
449                            @Override
450                            public void onFitSystemWindows(Rect insets) {
451                                insets.top = updateStatusGuard(insets.top);
452                            }
453                        });
454            }
455        }
456
457        if (subDecor == null) {
458            throw new IllegalArgumentException(
459                    "AppCompat does not support the current theme features: { "
460                            + "windowActionBar: " + mHasActionBar
461                            + ", windowActionBarOverlay: "+ mOverlayActionBar
462                            + ", android:windowIsFloating: " + mIsFloating
463                            + ", windowActionModeOverlay: " + mOverlayActionMode
464                            + ", windowNoTitle: " + mWindowNoTitle
465                            + " }");
466        }
467
468        if (mDecorContentParent == null) {
469            mTitleView = (TextView) subDecor.findViewById(R.id.title);
470        }
471
472        // Make the decor optionally fit system windows, like the window's decor
473        ViewUtils.makeOptionalFitsSystemWindows(subDecor);
474
475        final ContentFrameLayout contentView = (ContentFrameLayout) subDecor.findViewById(
476                R.id.action_bar_activity_content);
477
478        final ViewGroup windowContentView = (ViewGroup) mWindow.findViewById(android.R.id.content);
479        if (windowContentView != null) {
480            // There might be Views already added to the Window's content view so we need to
481            // migrate them to our content view
482            while (windowContentView.getChildCount() > 0) {
483                final View child = windowContentView.getChildAt(0);
484                windowContentView.removeViewAt(0);
485                contentView.addView(child);
486            }
487
488            // Change our content FrameLayout to use the android.R.id.content id.
489            // Useful for fragments.
490            windowContentView.setId(View.NO_ID);
491            contentView.setId(android.R.id.content);
492
493            // The decorContent may have a foreground drawable set (windowContentOverlay).
494            // Remove this as we handle it ourselves
495            if (windowContentView instanceof FrameLayout) {
496                ((FrameLayout) windowContentView).setForeground(null);
497            }
498        }
499
500        // Now set the Window's content view with the decor
501        mWindow.setContentView(subDecor);
502
503        contentView.setAttachListener(new ContentFrameLayout.OnAttachListener() {
504            @Override
505            public void onAttachedFromWindow() {}
506
507            @Override
508            public void onDetachedFromWindow() {
509                dismissPopups();
510            }
511        });
512
513        return subDecor;
514    }
515
516    void onSubDecorInstalled(ViewGroup subDecor) {}
517
518    private void applyFixedSizeWindow() {
519        ContentFrameLayout cfl = (ContentFrameLayout) mSubDecor.findViewById(android.R.id.content);
520
521        // This is a bit weird. In the framework, the window sizing attributes control
522        // the decor view's size, meaning that any padding is inset for the min/max widths below.
523        // We don't control measurement at that level, so we need to workaround it by making sure
524        // that the decor view's padding is taken into account.
525        final View windowDecor = mWindow.getDecorView();
526        cfl.setDecorPadding(windowDecor.getPaddingLeft(),
527                windowDecor.getPaddingTop(), windowDecor.getPaddingRight(),
528                windowDecor.getPaddingBottom());
529
530        TypedArray a = mContext.obtainStyledAttributes(R.styleable.AppCompatTheme);
531        a.getValue(R.styleable.AppCompatTheme_windowMinWidthMajor, cfl.getMinWidthMajor());
532        a.getValue(R.styleable.AppCompatTheme_windowMinWidthMinor, cfl.getMinWidthMinor());
533
534        if (a.hasValue(R.styleable.AppCompatTheme_windowFixedWidthMajor)) {
535            a.getValue(R.styleable.AppCompatTheme_windowFixedWidthMajor,
536                    cfl.getFixedWidthMajor());
537        }
538        if (a.hasValue(R.styleable.AppCompatTheme_windowFixedWidthMinor)) {
539            a.getValue(R.styleable.AppCompatTheme_windowFixedWidthMinor,
540                    cfl.getFixedWidthMinor());
541        }
542        if (a.hasValue(R.styleable.AppCompatTheme_windowFixedHeightMajor)) {
543            a.getValue(R.styleable.AppCompatTheme_windowFixedHeightMajor,
544                    cfl.getFixedHeightMajor());
545        }
546        if (a.hasValue(R.styleable.AppCompatTheme_windowFixedHeightMinor)) {
547            a.getValue(R.styleable.AppCompatTheme_windowFixedHeightMinor,
548                    cfl.getFixedHeightMinor());
549        }
550        a.recycle();
551
552        cfl.requestLayout();
553    }
554
555    @Override
556    public boolean requestWindowFeature(int featureId) {
557        featureId = sanitizeWindowFeatureId(featureId);
558
559        if (mWindowNoTitle && featureId == FEATURE_SUPPORT_ACTION_BAR) {
560            return false; // Ignore. No title dominates.
561        }
562        if (mHasActionBar && featureId == Window.FEATURE_NO_TITLE) {
563            // Remove the action bar feature if we have no title. No title dominates.
564            mHasActionBar = false;
565        }
566
567        switch (featureId) {
568            case FEATURE_SUPPORT_ACTION_BAR:
569                throwFeatureRequestIfSubDecorInstalled();
570                mHasActionBar = true;
571                return true;
572            case FEATURE_SUPPORT_ACTION_BAR_OVERLAY:
573                throwFeatureRequestIfSubDecorInstalled();
574                mOverlayActionBar = true;
575                return true;
576            case FEATURE_ACTION_MODE_OVERLAY:
577                throwFeatureRequestIfSubDecorInstalled();
578                mOverlayActionMode = true;
579                return true;
580            case Window.FEATURE_PROGRESS:
581                throwFeatureRequestIfSubDecorInstalled();
582                mFeatureProgress = true;
583                return true;
584            case Window.FEATURE_INDETERMINATE_PROGRESS:
585                throwFeatureRequestIfSubDecorInstalled();
586                mFeatureIndeterminateProgress = true;
587                return true;
588            case Window.FEATURE_NO_TITLE:
589                throwFeatureRequestIfSubDecorInstalled();
590                mWindowNoTitle = true;
591                return true;
592        }
593
594        return mWindow.requestFeature(featureId);
595    }
596
597    @Override
598    public boolean hasWindowFeature(int featureId) {
599        featureId = sanitizeWindowFeatureId(featureId);
600        switch (featureId) {
601            case FEATURE_SUPPORT_ACTION_BAR:
602                return mHasActionBar;
603            case FEATURE_SUPPORT_ACTION_BAR_OVERLAY:
604                return mOverlayActionBar;
605            case FEATURE_ACTION_MODE_OVERLAY:
606                return mOverlayActionMode;
607            case Window.FEATURE_PROGRESS:
608                return mFeatureProgress;
609            case Window.FEATURE_INDETERMINATE_PROGRESS:
610                return mFeatureIndeterminateProgress;
611            case Window.FEATURE_NO_TITLE:
612                return mWindowNoTitle;
613        }
614        return mWindow.hasFeature(featureId);
615    }
616
617    @Override
618    void onTitleChanged(CharSequence title) {
619        if (mDecorContentParent != null) {
620            mDecorContentParent.setWindowTitle(title);
621        } else if (peekSupportActionBar() != null) {
622            peekSupportActionBar().setWindowTitle(title);
623        } else if (mTitleView != null) {
624            mTitleView.setText(title);
625        }
626    }
627
628    @Override
629    void onPanelClosed(final int featureId, Menu menu) {
630        if (featureId == FEATURE_SUPPORT_ACTION_BAR) {
631            ActionBar ab = getSupportActionBar();
632            if (ab != null) {
633                ab.dispatchMenuVisibilityChanged(false);
634            }
635        } else if (featureId == FEATURE_OPTIONS_PANEL) {
636            // Make sure that the options panel is closed. This is mainly used when we're using a
637            // ToolbarActionBar
638            PanelFeatureState st = getPanelState(featureId, true);
639            if (st.isOpen) {
640                closePanel(st, false);
641            }
642        }
643    }
644
645    @Override
646    boolean onMenuOpened(final int featureId, Menu menu) {
647        if (featureId == FEATURE_SUPPORT_ACTION_BAR) {
648            ActionBar ab = getSupportActionBar();
649            if (ab != null) {
650                ab.dispatchMenuVisibilityChanged(true);
651            }
652            return true;
653        }
654        return false;
655    }
656
657    @Override
658    public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
659        final Window.Callback cb = getWindowCallback();
660        if (cb != null && !isDestroyed()) {
661            final PanelFeatureState panel = findMenuPanel(menu.getRootMenu());
662            if (panel != null) {
663                return cb.onMenuItemSelected(panel.featureId, item);
664            }
665        }
666        return false;
667    }
668
669    @Override
670    public void onMenuModeChange(MenuBuilder menu) {
671        reopenMenu(menu, true);
672    }
673
674    @Override
675    public ActionMode startSupportActionMode(ActionMode.Callback callback) {
676        if (callback == null) {
677            throw new IllegalArgumentException("ActionMode callback can not be null.");
678        }
679
680        if (mActionMode != null) {
681            mActionMode.finish();
682        }
683
684        final ActionMode.Callback wrappedCallback = new ActionModeCallbackWrapperV7(callback);
685
686        ActionBar ab = getSupportActionBar();
687        if (ab != null) {
688            mActionMode = ab.startActionMode(wrappedCallback);
689            if (mActionMode != null && mAppCompatCallback != null) {
690                mAppCompatCallback.onSupportActionModeStarted(mActionMode);
691            }
692        }
693
694        if (mActionMode == null) {
695            // If the action bar didn't provide an action mode, start the emulated window one
696            mActionMode = startSupportActionModeFromWindow(wrappedCallback);
697        }
698
699        return mActionMode;
700    }
701
702    @Override
703    public void invalidateOptionsMenu() {
704        final ActionBar ab = getSupportActionBar();
705        if (ab != null && ab.invalidateOptionsMenu()) return;
706
707        invalidatePanelMenu(FEATURE_OPTIONS_PANEL);
708    }
709
710    @Override
711    ActionMode startSupportActionModeFromWindow(ActionMode.Callback callback) {
712        endOnGoingFadeAnimation();
713        if (mActionMode != null) {
714            mActionMode.finish();
715        }
716
717        final ActionMode.Callback wrappedCallback = new ActionModeCallbackWrapperV7(callback);
718        ActionMode mode = null;
719        if (mAppCompatCallback != null && !isDestroyed()) {
720            try {
721                mode = mAppCompatCallback.onWindowStartingSupportActionMode(wrappedCallback);
722            } catch (AbstractMethodError ame) {
723                // Older apps might not implement this callback method.
724            }
725        }
726
727        if (mode != null) {
728            mActionMode = mode;
729        } else {
730            if (mActionModeView == null) {
731                if (mIsFloating) {
732                    // Use the action bar theme.
733                    final TypedValue outValue = new TypedValue();
734                    final Resources.Theme baseTheme = mContext.getTheme();
735                    baseTheme.resolveAttribute(R.attr.actionBarTheme, outValue, true);
736
737                    final Context actionBarContext;
738                    if (outValue.resourceId != 0) {
739                        final Resources.Theme actionBarTheme = mContext.getResources().newTheme();
740                        actionBarTheme.setTo(baseTheme);
741                        actionBarTheme.applyStyle(outValue.resourceId, true);
742
743                        actionBarContext = new ContextThemeWrapper(mContext, 0);
744                        actionBarContext.getTheme().setTo(actionBarTheme);
745                    } else {
746                        actionBarContext = mContext;
747                    }
748
749                    mActionModeView = new ActionBarContextView(actionBarContext);
750                    mActionModePopup = new PopupWindow(actionBarContext, null,
751                            R.attr.actionModePopupWindowStyle);
752                    PopupWindowCompat.setWindowLayoutType(mActionModePopup,
753                            WindowManager.LayoutParams.TYPE_APPLICATION);
754                    mActionModePopup.setContentView(mActionModeView);
755                    mActionModePopup.setWidth(ViewGroup.LayoutParams.MATCH_PARENT);
756
757                    actionBarContext.getTheme().resolveAttribute(
758                            R.attr.actionBarSize, outValue, true);
759                    final int height = TypedValue.complexToDimensionPixelSize(outValue.data,
760                            actionBarContext.getResources().getDisplayMetrics());
761                    mActionModeView.setContentHeight(height);
762                    mActionModePopup.setHeight(ViewGroup.LayoutParams.WRAP_CONTENT);
763                    mShowActionModePopup = new Runnable() {
764                        public void run() {
765                            mActionModePopup.showAtLocation(
766                                    mActionModeView,
767                                    Gravity.TOP | Gravity.FILL_HORIZONTAL, 0, 0);
768                            endOnGoingFadeAnimation();
769                            ViewCompat.setAlpha(mActionModeView, 0f);
770                            mFadeAnim = ViewCompat.animate(mActionModeView).alpha(1f);
771                            mFadeAnim.setListener(new ViewPropertyAnimatorListenerAdapter() {
772                                @Override
773                                public void onAnimationEnd(View view) {
774                                    ViewCompat.setAlpha(mActionModeView, 1f);
775                                    mFadeAnim.setListener(null);
776                                    mFadeAnim = null;
777                                }
778
779                                @Override
780                                public void onAnimationStart(View view) {
781                                    mActionModeView.setVisibility(View.VISIBLE);
782                                }
783                            });
784                        }
785                    };
786                } else {
787                    ViewStubCompat stub = (ViewStubCompat) mSubDecor
788                            .findViewById(R.id.action_mode_bar_stub);
789                    if (stub != null) {
790                        // Set the layout inflater so that it is inflated with the action bar's context
791                        stub.setLayoutInflater(LayoutInflater.from(getActionBarThemedContext()));
792                        mActionModeView = (ActionBarContextView) stub.inflate();
793                    }
794                }
795            }
796
797            if (mActionModeView != null) {
798                endOnGoingFadeAnimation();
799                mActionModeView.killMode();
800                mode = new StandaloneActionMode(mActionModeView.getContext(), mActionModeView,
801                        wrappedCallback, mActionModePopup == null);
802                if (callback.onCreateActionMode(mode, mode.getMenu())) {
803                    mode.invalidate();
804                    mActionModeView.initForMode(mode);
805                    mActionMode = mode;
806                    ViewCompat.setAlpha(mActionModeView, 0f);
807                    mFadeAnim = ViewCompat.animate(mActionModeView).alpha(1f);
808                    mFadeAnim.setListener(new ViewPropertyAnimatorListenerAdapter() {
809                        @Override
810                        public void onAnimationEnd(View view) {
811                            ViewCompat.setAlpha(mActionModeView, 1f);
812                            mFadeAnim.setListener(null);
813                            mFadeAnim = null;
814                        }
815
816                        @Override
817                        public void onAnimationStart(View view) {
818                            mActionModeView.setVisibility(View.VISIBLE);
819                            mActionModeView.sendAccessibilityEvent(
820                                    AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
821                            if (mActionModeView.getParent() != null) {
822                                ViewCompat.requestApplyInsets((View) mActionModeView.getParent());
823                            }
824                        }
825                    });
826                    if (mActionModePopup != null) {
827                        mWindow.getDecorView().post(mShowActionModePopup);
828                    }
829                } else {
830                    mActionMode = null;
831                }
832            }
833        }
834        if (mActionMode != null && mAppCompatCallback != null) {
835            mAppCompatCallback.onSupportActionModeStarted(mActionMode);
836        }
837        return mActionMode;
838    }
839
840    private void endOnGoingFadeAnimation() {
841        if (mFadeAnim != null) {
842            mFadeAnim.cancel();
843        }
844    }
845
846    boolean onBackPressed() {
847        // Back cancels action modes first.
848        if (mActionMode != null) {
849            mActionMode.finish();
850            return true;
851        }
852
853        // Next collapse any expanded action views.
854        ActionBar ab = getSupportActionBar();
855        if (ab != null && ab.collapseActionView()) {
856            return true;
857        }
858
859        // Let the call through...
860        return false;
861    }
862
863    @Override
864    boolean onKeyShortcut(int keyCode, KeyEvent ev) {
865        // Let the Action Bar have a chance at handling the shortcut
866        ActionBar ab = getSupportActionBar();
867        if (ab != null && ab.onKeyShortcut(keyCode, ev)) {
868            return true;
869        }
870
871        // If the panel is already prepared, then perform the shortcut using it.
872        boolean handled;
873        if (mPreparedPanel != null) {
874            handled = performPanelShortcut(mPreparedPanel, ev.getKeyCode(), ev,
875                    Menu.FLAG_PERFORM_NO_CLOSE);
876            if (handled) {
877                if (mPreparedPanel != null) {
878                    mPreparedPanel.isHandled = true;
879                }
880                return true;
881            }
882        }
883
884        // If the panel is not prepared, then we may be trying to handle a shortcut key
885        // combination such as Control+C.  Temporarily prepare the panel then mark it
886        // unprepared again when finished to ensure that the panel will again be prepared
887        // the next time it is shown for real.
888        if (mPreparedPanel == null) {
889            PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
890            preparePanel(st, ev);
891            handled = performPanelShortcut(st, ev.getKeyCode(), ev, Menu.FLAG_PERFORM_NO_CLOSE);
892            st.isPrepared = false;
893            if (handled) {
894                return true;
895            }
896        }
897        return false;
898    }
899
900    @Override
901    boolean dispatchKeyEvent(KeyEvent event) {
902        if (event.getKeyCode() == KeyEvent.KEYCODE_MENU) {
903            // If this is a MENU event, let the Activity have a go.
904            if (mOriginalWindowCallback.dispatchKeyEvent(event)) {
905                return true;
906            }
907        }
908
909        final int keyCode = event.getKeyCode();
910        final int action = event.getAction();
911        final boolean isDown = action == KeyEvent.ACTION_DOWN;
912
913        return isDown ? onKeyDown(keyCode, event) : onKeyUp(keyCode, event);
914    }
915
916    boolean onKeyUp(int keyCode, KeyEvent event) {
917        switch (keyCode) {
918            case KeyEvent.KEYCODE_MENU:
919                onKeyUpPanel(Window.FEATURE_OPTIONS_PANEL, event);
920                return true;
921            case KeyEvent.KEYCODE_BACK:
922                final boolean wasLongPressBackDown = mLongPressBackDown;
923                mLongPressBackDown = false;
924
925                PanelFeatureState st = getPanelState(Window.FEATURE_OPTIONS_PANEL, false);
926                if (st != null && st.isOpen) {
927                    if (!wasLongPressBackDown) {
928                        // Certain devices allow opening the options menu via a long press of the
929                        // back button. We should only close the open options menu if it wasn't
930                        // opened via a long press gesture.
931                        closePanel(st, true);
932                    }
933                    return true;
934                }
935                if (onBackPressed()) {
936                    return true;
937                }
938                break;
939        }
940        return false;
941    }
942
943    boolean onKeyDown(int keyCode, KeyEvent event) {
944        switch (keyCode) {
945            case KeyEvent.KEYCODE_MENU:
946                onKeyDownPanel(Window.FEATURE_OPTIONS_PANEL, event);
947                // We need to return true here and not let it bubble up to the Window.
948                // For empty menus, PhoneWindow's KEYCODE_BACK handling will steals all events,
949                // not allowing the Activity to call onBackPressed().
950                return true;
951            case KeyEvent.KEYCODE_BACK:
952                // Certain devices allow opening the options menu via a long press of the back
953                // button. We keep a record of whether the last event is from a long press.
954                mLongPressBackDown = (event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0;
955                break;
956        }
957
958        // On API v7-10 we need to manually call onKeyShortcut() as this is not called
959        // from the Activity
960        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
961            // We do not return true here otherwise dispatchKeyEvent will not reach the Activity
962            // (which results in the back button not working)
963            onKeyShortcut(keyCode, event);
964        }
965        return false;
966    }
967
968    @Override
969    public View createView(View parent, final String name, @NonNull Context context,
970            @NonNull AttributeSet attrs) {
971        final boolean isPre21 = Build.VERSION.SDK_INT < 21;
972
973        if (mAppCompatViewInflater == null) {
974            mAppCompatViewInflater = new AppCompatViewInflater();
975        }
976
977        // We only want the View to inherit its context if we're running pre-v21
978        final boolean inheritContext = isPre21 && shouldInheritContext((ViewParent) parent);
979
980        return mAppCompatViewInflater.createView(parent, name, context, attrs, inheritContext,
981                isPre21, /* Only read android:theme pre-L (L+ handles this anyway) */
982                true, /* Read read app:theme as a fallback at all times for legacy reasons */
983                VectorEnabledTintResources.shouldBeUsed() /* Only tint wrap the context if enabled */
984        );
985    }
986
987    private boolean shouldInheritContext(ViewParent parent) {
988        if (parent == null) {
989            // The initial parent is null so just return false
990            return false;
991        }
992        final View windowDecor = mWindow.getDecorView();
993        while (true) {
994            if (parent == null) {
995                // Bingo. We've hit a view which has a null parent before being terminated from
996                // the loop. This is (most probably) because it's the root view in an inflation
997                // call, therefore we should inherit. This works as the inflated layout is only
998                // added to the hierarchy at the end of the inflate() call.
999                return true;
1000            } else if (parent == windowDecor || !(parent instanceof View)
1001                    || ViewCompat.isAttachedToWindow((View) parent)) {
1002                // We have either hit the window's decor view, a parent which isn't a View
1003                // (i.e. ViewRootImpl), or an attached view, so we know that the original parent
1004                // is currently added to the view hierarchy. This means that it has not be
1005                // inflated in the current inflate() call and we should not inherit the context.
1006                return false;
1007            }
1008            parent = parent.getParent();
1009        }
1010    }
1011
1012    @Override
1013    public void installViewFactory() {
1014        LayoutInflater layoutInflater = LayoutInflater.from(mContext);
1015        if (layoutInflater.getFactory() == null) {
1016            LayoutInflaterCompat.setFactory(layoutInflater, this);
1017        } else {
1018            if (!(LayoutInflaterCompat.getFactory(layoutInflater)
1019                    instanceof AppCompatDelegateImplV7)) {
1020                Log.i(TAG, "The Activity's LayoutInflater already has a Factory installed"
1021                        + " so we can not install AppCompat's");
1022            }
1023        }
1024    }
1025
1026    /**
1027     * From {@link android.support.v4.view.LayoutInflaterFactory}
1028     */
1029    @Override
1030    public final View onCreateView(View parent, String name,
1031            Context context, AttributeSet attrs) {
1032        // First let the Activity's Factory try and inflate the view
1033        final View view = callActivityOnCreateView(parent, name, context, attrs);
1034        if (view != null) {
1035            return view;
1036        }
1037
1038        // If the Factory didn't handle it, let our createView() method try
1039        return createView(parent, name, context, attrs);
1040    }
1041
1042    View callActivityOnCreateView(View parent, String name, Context context, AttributeSet attrs) {
1043        // Let the Activity's LayoutInflater.Factory try and handle it
1044        if (mOriginalWindowCallback instanceof LayoutInflater.Factory) {
1045            final View result = ((LayoutInflater.Factory) mOriginalWindowCallback)
1046                    .onCreateView(name, context, attrs);
1047            if (result != null) {
1048                return result;
1049            }
1050        }
1051        return null;
1052    }
1053
1054    private void openPanel(final PanelFeatureState st, KeyEvent event) {
1055        // Already open, return
1056        if (st.isOpen || isDestroyed()) {
1057            return;
1058        }
1059
1060        // Don't open an options panel for honeycomb apps on xlarge devices.
1061        // (The app should be using an action bar for menu items.)
1062        if (st.featureId == FEATURE_OPTIONS_PANEL) {
1063            Context context = mContext;
1064            Configuration config = context.getResources().getConfiguration();
1065            boolean isXLarge = (config.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) ==
1066                    Configuration.SCREENLAYOUT_SIZE_XLARGE;
1067            boolean isHoneycombApp = context.getApplicationInfo().targetSdkVersion >=
1068                    android.os.Build.VERSION_CODES.HONEYCOMB;
1069
1070            if (isXLarge && isHoneycombApp) {
1071                return;
1072            }
1073        }
1074
1075        Window.Callback cb = getWindowCallback();
1076        if ((cb != null) && (!cb.onMenuOpened(st.featureId, st.menu))) {
1077            // Callback doesn't want the menu to open, reset any state
1078            closePanel(st, true);
1079            return;
1080        }
1081
1082        final WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1083        if (wm == null) {
1084            return;
1085        }
1086
1087        // Prepare panel (should have been done before, but just in case)
1088        if (!preparePanel(st, event)) {
1089            return;
1090        }
1091
1092        int width = WRAP_CONTENT;
1093        if (st.decorView == null || st.refreshDecorView) {
1094            if (st.decorView == null) {
1095                // Initialize the panel decor, this will populate st.decorView
1096                if (!initializePanelDecor(st) || (st.decorView == null))
1097                    return;
1098            } else if (st.refreshDecorView && (st.decorView.getChildCount() > 0)) {
1099                // Decor needs refreshing, so remove its views
1100                st.decorView.removeAllViews();
1101            }
1102
1103            // This will populate st.shownPanelView
1104            if (!initializePanelContent(st) || !st.hasPanelItems()) {
1105                return;
1106            }
1107
1108            ViewGroup.LayoutParams lp = st.shownPanelView.getLayoutParams();
1109            if (lp == null) {
1110                lp = new ViewGroup.LayoutParams(WRAP_CONTENT, WRAP_CONTENT);
1111            }
1112
1113            int backgroundResId = st.background;
1114            st.decorView.setBackgroundResource(backgroundResId);
1115
1116            ViewParent shownPanelParent = st.shownPanelView.getParent();
1117            if (shownPanelParent != null && shownPanelParent instanceof ViewGroup) {
1118                ((ViewGroup) shownPanelParent).removeView(st.shownPanelView);
1119            }
1120            st.decorView.addView(st.shownPanelView, lp);
1121
1122            /*
1123             * Give focus to the view, if it or one of its children does not
1124             * already have it.
1125             */
1126            if (!st.shownPanelView.hasFocus()) {
1127                st.shownPanelView.requestFocus();
1128            }
1129        } else if (st.createdPanelView != null) {
1130            // If we already had a panel view, carry width=MATCH_PARENT through
1131            // as we did above when it was created.
1132            ViewGroup.LayoutParams lp = st.createdPanelView.getLayoutParams();
1133            if (lp != null && lp.width == ViewGroup.LayoutParams.MATCH_PARENT) {
1134                width = MATCH_PARENT;
1135            }
1136        }
1137
1138        st.isHandled = false;
1139
1140        WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1141                width, WRAP_CONTENT,
1142                st.x, st.y, WindowManager.LayoutParams.TYPE_APPLICATION_SUB_PANEL,
1143                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
1144                        | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,
1145                PixelFormat.TRANSLUCENT);
1146
1147        lp.gravity = st.gravity;
1148        lp.windowAnimations = st.windowAnimations;
1149
1150        wm.addView(st.decorView, lp);
1151        st.isOpen = true;
1152    }
1153
1154    private boolean initializePanelDecor(PanelFeatureState st) {
1155        st.setStyle(getActionBarThemedContext());
1156        st.decorView = new ListMenuDecorView(st.listPresenterContext);
1157        st.gravity = Gravity.CENTER | Gravity.BOTTOM;
1158        return true;
1159    }
1160
1161    private void reopenMenu(MenuBuilder menu, boolean toggleMenuMode) {
1162        if (mDecorContentParent != null && mDecorContentParent.canShowOverflowMenu() &&
1163                (!ViewConfigurationCompat.hasPermanentMenuKey(ViewConfiguration.get(mContext)) ||
1164                        mDecorContentParent.isOverflowMenuShowPending())) {
1165
1166            final Window.Callback cb = getWindowCallback();
1167
1168            if (!mDecorContentParent.isOverflowMenuShowing() || !toggleMenuMode) {
1169                if (cb != null && !isDestroyed()) {
1170                    // If we have a menu invalidation pending, do it now.
1171                    if (mInvalidatePanelMenuPosted &&
1172                            (mInvalidatePanelMenuFeatures & (1 << FEATURE_OPTIONS_PANEL)) != 0) {
1173                        mWindow.getDecorView().removeCallbacks(mInvalidatePanelMenuRunnable);
1174                        mInvalidatePanelMenuRunnable.run();
1175                    }
1176
1177                    final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
1178
1179                    // If we don't have a menu or we're waiting for a full content refresh,
1180                    // forget it. This is a lingering event that no longer matters.
1181                    if (st.menu != null && !st.refreshMenuContent &&
1182                            cb.onPreparePanel(FEATURE_OPTIONS_PANEL, st.createdPanelView, st.menu)) {
1183                        cb.onMenuOpened(FEATURE_SUPPORT_ACTION_BAR, st.menu);
1184                        mDecorContentParent.showOverflowMenu();
1185                    }
1186                }
1187            } else {
1188                mDecorContentParent.hideOverflowMenu();
1189                if (!isDestroyed()) {
1190                    final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
1191                    cb.onPanelClosed(FEATURE_SUPPORT_ACTION_BAR, st.menu);
1192                }
1193            }
1194            return;
1195        }
1196
1197        PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
1198
1199        st.refreshDecorView = true;
1200        closePanel(st, false);
1201
1202        openPanel(st, null);
1203    }
1204
1205    private boolean initializePanelMenu(final PanelFeatureState st) {
1206        Context context = mContext;
1207
1208        // If we have an action bar, initialize the menu with the right theme.
1209        if ((st.featureId == FEATURE_OPTIONS_PANEL || st.featureId == FEATURE_SUPPORT_ACTION_BAR) &&
1210                mDecorContentParent != null) {
1211            final TypedValue outValue = new TypedValue();
1212            final Resources.Theme baseTheme = context.getTheme();
1213            baseTheme.resolveAttribute(R.attr.actionBarTheme, outValue, true);
1214
1215            Resources.Theme widgetTheme = null;
1216            if (outValue.resourceId != 0) {
1217                widgetTheme = context.getResources().newTheme();
1218                widgetTheme.setTo(baseTheme);
1219                widgetTheme.applyStyle(outValue.resourceId, true);
1220                widgetTheme.resolveAttribute(
1221                        R.attr.actionBarWidgetTheme, outValue, true);
1222            } else {
1223                baseTheme.resolveAttribute(
1224                        R.attr.actionBarWidgetTheme, outValue, true);
1225            }
1226
1227            if (outValue.resourceId != 0) {
1228                if (widgetTheme == null) {
1229                    widgetTheme = context.getResources().newTheme();
1230                    widgetTheme.setTo(baseTheme);
1231                }
1232                widgetTheme.applyStyle(outValue.resourceId, true);
1233            }
1234
1235            if (widgetTheme != null) {
1236                context = new ContextThemeWrapper(context, 0);
1237                context.getTheme().setTo(widgetTheme);
1238            }
1239        }
1240
1241        final MenuBuilder menu = new MenuBuilder(context);
1242        menu.setCallback(this);
1243        st.setMenu(menu);
1244
1245        return true;
1246    }
1247
1248    private boolean initializePanelContent(PanelFeatureState st) {
1249        if (st.createdPanelView != null) {
1250            st.shownPanelView = st.createdPanelView;
1251            return true;
1252        }
1253
1254        if (st.menu == null) {
1255            return false;
1256        }
1257
1258        if (mPanelMenuPresenterCallback == null) {
1259            mPanelMenuPresenterCallback = new PanelMenuPresenterCallback();
1260        }
1261
1262        MenuView menuView = st.getListMenuView(mPanelMenuPresenterCallback);
1263
1264        st.shownPanelView = (View) menuView;
1265
1266        return st.shownPanelView != null;
1267    }
1268
1269    private boolean preparePanel(PanelFeatureState st, KeyEvent event) {
1270        if (isDestroyed()) {
1271            return false;
1272        }
1273
1274        // Already prepared (isPrepared will be reset to false later)
1275        if (st.isPrepared) {
1276            return true;
1277        }
1278
1279        if ((mPreparedPanel != null) && (mPreparedPanel != st)) {
1280            // Another Panel is prepared and possibly open, so close it
1281            closePanel(mPreparedPanel, false);
1282        }
1283
1284        final Window.Callback cb = getWindowCallback();
1285
1286        if (cb != null) {
1287            st.createdPanelView = cb.onCreatePanelView(st.featureId);
1288        }
1289
1290        final boolean isActionBarMenu =
1291                (st.featureId == FEATURE_OPTIONS_PANEL || st.featureId == FEATURE_SUPPORT_ACTION_BAR);
1292
1293        if (isActionBarMenu && mDecorContentParent != null) {
1294            // Enforce ordering guarantees around events so that the action bar never
1295            // dispatches menu-related events before the panel is prepared.
1296            mDecorContentParent.setMenuPrepared();
1297        }
1298
1299        if (st.createdPanelView == null &&
1300                (!isActionBarMenu || !(peekSupportActionBar() instanceof ToolbarActionBar))) {
1301            // Since ToolbarActionBar handles the list options menu itself, we only want to
1302            // init this menu panel if we're not using a TAB.
1303            if (st.menu == null || st.refreshMenuContent) {
1304                if (st.menu == null) {
1305                    if (!initializePanelMenu(st) || (st.menu == null)) {
1306                        return false;
1307                    }
1308                }
1309
1310                if (isActionBarMenu && mDecorContentParent != null) {
1311                    if (mActionMenuPresenterCallback == null) {
1312                        mActionMenuPresenterCallback = new ActionMenuPresenterCallback();
1313                    }
1314                    mDecorContentParent.setMenu(st.menu, mActionMenuPresenterCallback);
1315                }
1316
1317                // Creating the panel menu will involve a lot of manipulation;
1318                // don't dispatch change events to presenters until we're done.
1319                st.menu.stopDispatchingItemsChanged();
1320                if (!cb.onCreatePanelMenu(st.featureId, st.menu)) {
1321                    // Ditch the menu created above
1322                    st.setMenu(null);
1323
1324                    if (isActionBarMenu && mDecorContentParent != null) {
1325                        // Don't show it in the action bar either
1326                        mDecorContentParent.setMenu(null, mActionMenuPresenterCallback);
1327                    }
1328
1329                    return false;
1330                }
1331
1332                st.refreshMenuContent = false;
1333            }
1334
1335            // Preparing the panel menu can involve a lot of manipulation;
1336            // don't dispatch change events to presenters until we're done.
1337            st.menu.stopDispatchingItemsChanged();
1338
1339            // Restore action view state before we prepare. This gives apps
1340            // an opportunity to override frozen/restored state in onPrepare.
1341            if (st.frozenActionViewState != null) {
1342                st.menu.restoreActionViewStates(st.frozenActionViewState);
1343                st.frozenActionViewState = null;
1344            }
1345
1346            // Callback and return if the callback does not want to show the menu
1347            if (!cb.onPreparePanel(FEATURE_OPTIONS_PANEL, st.createdPanelView, st.menu)) {
1348                if (isActionBarMenu && mDecorContentParent != null) {
1349                    // The app didn't want to show the menu for now but it still exists.
1350                    // Clear it out of the action bar.
1351                    mDecorContentParent.setMenu(null, mActionMenuPresenterCallback);
1352                }
1353                st.menu.startDispatchingItemsChanged();
1354                return false;
1355            }
1356
1357            // Set the proper keymap
1358            KeyCharacterMap kmap = KeyCharacterMap.load(
1359                    event != null ? event.getDeviceId() : KeyCharacterMap.VIRTUAL_KEYBOARD);
1360            st.qwertyMode = kmap.getKeyboardType() != KeyCharacterMap.NUMERIC;
1361            st.menu.setQwertyMode(st.qwertyMode);
1362            st.menu.startDispatchingItemsChanged();
1363        }
1364
1365        // Set other state
1366        st.isPrepared = true;
1367        st.isHandled = false;
1368        mPreparedPanel = st;
1369
1370        return true;
1371    }
1372
1373    private void checkCloseActionMenu(MenuBuilder menu) {
1374        if (mClosingActionMenu) {
1375            return;
1376        }
1377
1378        mClosingActionMenu = true;
1379        mDecorContentParent.dismissPopups();
1380        Window.Callback cb = getWindowCallback();
1381        if (cb != null && !isDestroyed()) {
1382            cb.onPanelClosed(FEATURE_SUPPORT_ACTION_BAR, menu);
1383        }
1384        mClosingActionMenu = false;
1385    }
1386
1387    private void closePanel(int featureId) {
1388        closePanel(getPanelState(featureId, true), true);
1389    }
1390
1391    private void closePanel(PanelFeatureState st, boolean doCallback) {
1392        if (doCallback && st.featureId == FEATURE_OPTIONS_PANEL &&
1393                mDecorContentParent != null && mDecorContentParent.isOverflowMenuShowing()) {
1394            checkCloseActionMenu(st.menu);
1395            return;
1396        }
1397
1398        final WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1399        if (wm != null && st.isOpen && st.decorView != null) {
1400            wm.removeView(st.decorView);
1401
1402            if (doCallback) {
1403                callOnPanelClosed(st.featureId, st, null);
1404            }
1405        }
1406
1407        st.isPrepared = false;
1408        st.isHandled = false;
1409        st.isOpen = false;
1410
1411        // This view is no longer shown, so null it out
1412        st.shownPanelView = null;
1413
1414        // Next time the menu opens, it should not be in expanded mode, so
1415        // force a refresh of the decor
1416        st.refreshDecorView = true;
1417
1418        if (mPreparedPanel == st) {
1419            mPreparedPanel = null;
1420        }
1421    }
1422
1423    private boolean onKeyDownPanel(int featureId, KeyEvent event) {
1424        if (event.getRepeatCount() == 0) {
1425            PanelFeatureState st = getPanelState(featureId, true);
1426            if (!st.isOpen) {
1427                return preparePanel(st, event);
1428            }
1429        }
1430
1431        return false;
1432    }
1433
1434    private boolean onKeyUpPanel(int featureId, KeyEvent event) {
1435        if (mActionMode != null) {
1436            return false;
1437        }
1438
1439        boolean handled = false;
1440        final PanelFeatureState st = getPanelState(featureId, true);
1441        if (featureId == FEATURE_OPTIONS_PANEL && mDecorContentParent != null &&
1442                mDecorContentParent.canShowOverflowMenu() &&
1443                !ViewConfigurationCompat.hasPermanentMenuKey(ViewConfiguration.get(mContext))) {
1444            if (!mDecorContentParent.isOverflowMenuShowing()) {
1445                if (!isDestroyed() && preparePanel(st, event)) {
1446                    handled = mDecorContentParent.showOverflowMenu();
1447                }
1448            } else {
1449                handled = mDecorContentParent.hideOverflowMenu();
1450            }
1451        } else {
1452            if (st.isOpen || st.isHandled) {
1453                // Play the sound effect if the user closed an open menu (and not if
1454                // they just released a menu shortcut)
1455                handled = st.isOpen;
1456                // Close menu
1457                closePanel(st, true);
1458            } else if (st.isPrepared) {
1459                boolean show = true;
1460                if (st.refreshMenuContent) {
1461                    // Something may have invalidated the menu since we prepared it.
1462                    // Re-prepare it to refresh.
1463                    st.isPrepared = false;
1464                    show = preparePanel(st, event);
1465                }
1466
1467                if (show) {
1468                    // Show menu
1469                    openPanel(st, event);
1470                    handled = true;
1471                }
1472            }
1473        }
1474
1475        if (handled) {
1476            AudioManager audioManager = (AudioManager) mContext.getSystemService(
1477                    Context.AUDIO_SERVICE);
1478            if (audioManager != null) {
1479                audioManager.playSoundEffect(AudioManager.FX_KEY_CLICK);
1480            } else {
1481                Log.w(TAG, "Couldn't get audio manager");
1482            }
1483        }
1484        return handled;
1485    }
1486
1487    private void callOnPanelClosed(int featureId, PanelFeatureState panel, Menu menu) {
1488        // Try to get a menu
1489        if (menu == null) {
1490            // Need a panel to grab the menu, so try to get that
1491            if (panel == null) {
1492                if ((featureId >= 0) && (featureId < mPanels.length)) {
1493                    panel = mPanels[featureId];
1494                }
1495            }
1496
1497            if (panel != null) {
1498                // menu still may be null, which is okay--we tried our best
1499                menu = panel.menu;
1500            }
1501        }
1502
1503        // If the panel is not open, do not callback
1504        if ((panel != null) && (!panel.isOpen))
1505            return;
1506
1507        if (!isDestroyed()) {
1508            // We need to be careful which callback we dispatch the call to. We can not dispatch
1509            // this to the Window's callback since that will call back into this method and cause a
1510            // crash. Instead we need to dispatch down to the original Activity/Dialog/etc.
1511            mOriginalWindowCallback.onPanelClosed(featureId, menu);
1512        }
1513    }
1514
1515    private PanelFeatureState findMenuPanel(Menu menu) {
1516        final PanelFeatureState[] panels = mPanels;
1517        final int N = panels != null ? panels.length : 0;
1518        for (int i = 0; i < N; i++) {
1519            final PanelFeatureState panel = panels[i];
1520            if (panel != null && panel.menu == menu) {
1521                return panel;
1522            }
1523        }
1524        return null;
1525    }
1526
1527    protected PanelFeatureState getPanelState(int featureId, boolean required) {
1528        PanelFeatureState[] ar;
1529        if ((ar = mPanels) == null || ar.length <= featureId) {
1530            PanelFeatureState[] nar = new PanelFeatureState[featureId + 1];
1531            if (ar != null) {
1532                System.arraycopy(ar, 0, nar, 0, ar.length);
1533            }
1534            mPanels = ar = nar;
1535        }
1536
1537        PanelFeatureState st = ar[featureId];
1538        if (st == null) {
1539            ar[featureId] = st = new PanelFeatureState(featureId);
1540        }
1541        return st;
1542    }
1543
1544    private boolean performPanelShortcut(PanelFeatureState st, int keyCode, KeyEvent event,
1545            int flags) {
1546        if (event.isSystem()) {
1547            return false;
1548        }
1549
1550        boolean handled = false;
1551
1552        // Only try to perform menu shortcuts if preparePanel returned true (possible false
1553        // return value from application not wanting to show the menu).
1554        if ((st.isPrepared || preparePanel(st, event)) && st.menu != null) {
1555            // The menu is prepared now, perform the shortcut on it
1556            handled = st.menu.performShortcut(keyCode, event, flags);
1557        }
1558
1559        if (handled) {
1560            // Only close down the menu if we don't have an action bar keeping it open.
1561            if ((flags & Menu.FLAG_PERFORM_NO_CLOSE) == 0 && mDecorContentParent == null) {
1562                closePanel(st, true);
1563            }
1564        }
1565
1566        return handled;
1567    }
1568
1569    private void invalidatePanelMenu(int featureId) {
1570        mInvalidatePanelMenuFeatures |= 1 << featureId;
1571
1572        if (!mInvalidatePanelMenuPosted) {
1573            ViewCompat.postOnAnimation(mWindow.getDecorView(), mInvalidatePanelMenuRunnable);
1574            mInvalidatePanelMenuPosted = true;
1575        }
1576    }
1577
1578    private void doInvalidatePanelMenu(int featureId) {
1579        PanelFeatureState st = getPanelState(featureId, true);
1580        Bundle savedActionViewStates = null;
1581        if (st.menu != null) {
1582            savedActionViewStates = new Bundle();
1583            st.menu.saveActionViewStates(savedActionViewStates);
1584            if (savedActionViewStates.size() > 0) {
1585                st.frozenActionViewState = savedActionViewStates;
1586            }
1587            // This will be started again when the panel is prepared.
1588            st.menu.stopDispatchingItemsChanged();
1589            st.menu.clear();
1590        }
1591        st.refreshMenuContent = true;
1592        st.refreshDecorView = true;
1593
1594        // Prepare the options panel if we have an action bar
1595        if ((featureId == FEATURE_SUPPORT_ACTION_BAR || featureId == FEATURE_OPTIONS_PANEL)
1596                && mDecorContentParent != null) {
1597            st = getPanelState(Window.FEATURE_OPTIONS_PANEL, false);
1598            if (st != null) {
1599                st.isPrepared = false;
1600                preparePanel(st, null);
1601            }
1602        }
1603    }
1604
1605    /**
1606     * Updates the status bar guard
1607     *
1608     * @param insetTop the current top system window inset
1609     * @return the new top system window inset
1610     */
1611    private int updateStatusGuard(int insetTop) {
1612        boolean showStatusGuard = false;
1613        // Show the status guard when the non-overlay contextual action bar is showing
1614        if (mActionModeView != null) {
1615            if (mActionModeView.getLayoutParams() instanceof ViewGroup.MarginLayoutParams) {
1616                ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams)
1617                        mActionModeView.getLayoutParams();
1618                boolean mlpChanged = false;
1619
1620                if (mActionModeView.isShown()) {
1621                    if (mTempRect1 == null) {
1622                        mTempRect1 = new Rect();
1623                        mTempRect2 = new Rect();
1624                    }
1625                    final Rect insets = mTempRect1;
1626                    final Rect localInsets = mTempRect2;
1627                    insets.set(0, insetTop, 0, 0);
1628
1629                    ViewUtils.computeFitSystemWindows(mSubDecor, insets, localInsets);
1630                    final int newMargin = localInsets.top == 0 ? insetTop : 0;
1631                    if (mlp.topMargin != newMargin) {
1632                        mlpChanged = true;
1633                        mlp.topMargin = insetTop;
1634
1635                        if (mStatusGuard == null) {
1636                            mStatusGuard = new View(mContext);
1637                            mStatusGuard.setBackgroundColor(mContext.getResources()
1638                                    .getColor(R.color.abc_input_method_navigation_guard));
1639                            mSubDecor.addView(mStatusGuard, -1,
1640                                    new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
1641                                            insetTop));
1642                        } else {
1643                            ViewGroup.LayoutParams lp = mStatusGuard.getLayoutParams();
1644                            if (lp.height != insetTop) {
1645                                lp.height = insetTop;
1646                                mStatusGuard.setLayoutParams(lp);
1647                            }
1648                        }
1649                    }
1650
1651                    // The action mode's theme may differ from the app, so
1652                    // always show the status guard above it.
1653                    showStatusGuard = mStatusGuard != null;
1654
1655                    // We only need to consume the insets if the action
1656                    // mode is overlaid on the app content (e.g. it's
1657                    // sitting in a FrameLayout, see
1658                    // screen_simple_overlay_action_mode.xml).
1659                    if (!mOverlayActionMode && showStatusGuard) {
1660                        insetTop = 0;
1661                    }
1662                } else {
1663                    // reset top margin
1664                    if (mlp.topMargin != 0) {
1665                        mlpChanged = true;
1666                        mlp.topMargin = 0;
1667                    }
1668                }
1669                if (mlpChanged) {
1670                    mActionModeView.setLayoutParams(mlp);
1671                }
1672            }
1673        }
1674        if (mStatusGuard != null) {
1675            mStatusGuard.setVisibility(showStatusGuard ? View.VISIBLE : View.GONE);
1676        }
1677
1678        return insetTop;
1679    }
1680
1681    private void throwFeatureRequestIfSubDecorInstalled() {
1682        if (mSubDecorInstalled) {
1683            throw new AndroidRuntimeException(
1684                    "Window feature must be requested before adding content");
1685        }
1686    }
1687
1688    private int sanitizeWindowFeatureId(int featureId) {
1689        if (featureId == WindowCompat.FEATURE_ACTION_BAR) {
1690            Log.i(TAG, "You should now use the AppCompatDelegate.FEATURE_SUPPORT_ACTION_BAR"
1691                    + " id when requesting this feature.");
1692            return FEATURE_SUPPORT_ACTION_BAR;
1693        } else if (featureId == WindowCompat.FEATURE_ACTION_BAR_OVERLAY) {
1694            Log.i(TAG, "You should now use the AppCompatDelegate.FEATURE_SUPPORT_ACTION_BAR_OVERLAY"
1695                    + " id when requesting this feature.");
1696            return FEATURE_SUPPORT_ACTION_BAR_OVERLAY;
1697        }
1698        // Else we'll just return the original id
1699        return featureId;
1700    }
1701
1702    ViewGroup getSubDecor() {
1703        return mSubDecor;
1704    }
1705
1706    private void dismissPopups() {
1707        if (mDecorContentParent != null) {
1708            mDecorContentParent.dismissPopups();
1709        }
1710
1711        if (mActionModePopup != null) {
1712            mWindow.getDecorView().removeCallbacks(mShowActionModePopup);
1713            if (mActionModePopup.isShowing()) {
1714                try {
1715                    mActionModePopup.dismiss();
1716                } catch (IllegalArgumentException e) {
1717                    // Pre-v18, there are times when the Window will remove the popup before us.
1718                    // In these cases we need to swallow the resulting exception.
1719                }
1720            }
1721            mActionModePopup = null;
1722        }
1723        endOnGoingFadeAnimation();
1724
1725        PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
1726        if (st != null && st.menu != null) {
1727            st.menu.close();
1728        }
1729    }
1730
1731    /**
1732     * Clears out internal reference when the action mode is destroyed.
1733     */
1734    class ActionModeCallbackWrapperV7 implements ActionMode.Callback {
1735        private ActionMode.Callback mWrapped;
1736
1737        public ActionModeCallbackWrapperV7(ActionMode.Callback wrapped) {
1738            mWrapped = wrapped;
1739        }
1740
1741        public boolean onCreateActionMode(ActionMode mode, Menu menu) {
1742            return mWrapped.onCreateActionMode(mode, menu);
1743        }
1744
1745        public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
1746            return mWrapped.onPrepareActionMode(mode, menu);
1747        }
1748
1749        public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
1750            return mWrapped.onActionItemClicked(mode, item);
1751        }
1752
1753        public void onDestroyActionMode(ActionMode mode) {
1754            mWrapped.onDestroyActionMode(mode);
1755            if (mActionModePopup != null) {
1756                mWindow.getDecorView().removeCallbacks(mShowActionModePopup);
1757            }
1758
1759            if (mActionModeView != null) {
1760                endOnGoingFadeAnimation();
1761                mFadeAnim = ViewCompat.animate(mActionModeView).alpha(0f);
1762                mFadeAnim.setListener(new ViewPropertyAnimatorListenerAdapter() {
1763                    @Override
1764                    public void onAnimationEnd(View view) {
1765                        mActionModeView.setVisibility(View.GONE);
1766                        if (mActionModePopup != null) {
1767                            mActionModePopup.dismiss();
1768                        } else if (mActionModeView.getParent() instanceof View) {
1769                            ViewCompat.requestApplyInsets((View) mActionModeView.getParent());
1770                        }
1771                        mActionModeView.removeAllViews();
1772                        mFadeAnim.setListener(null);
1773                        mFadeAnim = null;
1774                    }
1775                });
1776            }
1777            if (mAppCompatCallback != null) {
1778                mAppCompatCallback.onSupportActionModeFinished(mActionMode);
1779            }
1780            mActionMode = null;
1781        }
1782    }
1783
1784    private final class PanelMenuPresenterCallback implements MenuPresenter.Callback {
1785        @Override
1786        public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
1787            final Menu parentMenu = menu.getRootMenu();
1788            final boolean isSubMenu = parentMenu != menu;
1789            final PanelFeatureState panel = findMenuPanel(isSubMenu ? parentMenu : menu);
1790            if (panel != null) {
1791                if (isSubMenu) {
1792                    callOnPanelClosed(panel.featureId, panel, parentMenu);
1793                    closePanel(panel, true);
1794                } else {
1795                    // Close the panel and only do the callback if the menu is being
1796                    // closed completely, not if opening a sub menu
1797                    closePanel(panel, allMenusAreClosing);
1798                }
1799            }
1800        }
1801
1802        @Override
1803        public boolean onOpenSubMenu(MenuBuilder subMenu) {
1804            if (subMenu == null && mHasActionBar) {
1805                Window.Callback cb = getWindowCallback();
1806                if (cb != null && !isDestroyed()) {
1807                    cb.onMenuOpened(FEATURE_SUPPORT_ACTION_BAR, subMenu);
1808                }
1809            }
1810            return true;
1811        }
1812    }
1813
1814    private final class ActionMenuPresenterCallback implements MenuPresenter.Callback {
1815        @Override
1816        public boolean onOpenSubMenu(MenuBuilder subMenu) {
1817            Window.Callback cb = getWindowCallback();
1818            if (cb != null) {
1819                cb.onMenuOpened(FEATURE_SUPPORT_ACTION_BAR, subMenu);
1820            }
1821            return true;
1822        }
1823
1824        @Override
1825        public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
1826            checkCloseActionMenu(menu);
1827        }
1828    }
1829
1830    protected static final class PanelFeatureState {
1831
1832        /** Feature ID for this panel. */
1833        int featureId;
1834
1835        int background;
1836
1837        int gravity;
1838
1839        int x;
1840
1841        int y;
1842
1843        int windowAnimations;
1844
1845        /** Dynamic state of the panel. */
1846        ViewGroup decorView;
1847
1848        /** The panel that we are actually showing. */
1849        View shownPanelView;
1850
1851        /** The panel that was returned by onCreatePanelView(). */
1852        View createdPanelView;
1853
1854        /** Use {@link #setMenu} to set this. */
1855        MenuBuilder menu;
1856
1857        ListMenuPresenter listMenuPresenter;
1858
1859        Context listPresenterContext;
1860
1861        /**
1862         * Whether the panel has been prepared (see
1863         * {@link #preparePanel}).
1864         */
1865        boolean isPrepared;
1866
1867        /**
1868         * Whether an item's action has been performed. This happens in obvious
1869         * scenarios (user clicks on menu item), but can also happen with
1870         * chording menu+(shortcut key).
1871         */
1872        boolean isHandled;
1873
1874        boolean isOpen;
1875
1876        public boolean qwertyMode;
1877
1878        boolean refreshDecorView;
1879
1880        boolean refreshMenuContent;
1881
1882        boolean wasLastOpen;
1883
1884        /**
1885         * Contains the state of the menu when told to freeze.
1886         */
1887        Bundle frozenMenuState;
1888
1889        /**
1890         * Contains the state of associated action views when told to freeze.
1891         * These are saved across invalidations.
1892         */
1893        Bundle frozenActionViewState;
1894
1895        PanelFeatureState(int featureId) {
1896            this.featureId = featureId;
1897
1898            refreshDecorView = false;
1899        }
1900
1901        public boolean hasPanelItems() {
1902            if (shownPanelView == null) return false;
1903            if (createdPanelView != null) return true;
1904
1905            return listMenuPresenter.getAdapter().getCount() > 0;
1906        }
1907
1908        /**
1909         * Unregister and free attached MenuPresenters. They will be recreated as needed.
1910         */
1911        public void clearMenuPresenters() {
1912            if (menu != null) {
1913                menu.removeMenuPresenter(listMenuPresenter);
1914            }
1915            listMenuPresenter = null;
1916        }
1917
1918        void setStyle(Context context) {
1919            final TypedValue outValue = new TypedValue();
1920            final Resources.Theme widgetTheme = context.getResources().newTheme();
1921            widgetTheme.setTo(context.getTheme());
1922
1923            // First apply the actionBarPopupTheme
1924            widgetTheme.resolveAttribute(R.attr.actionBarPopupTheme, outValue, true);
1925            if (outValue.resourceId != 0) {
1926                widgetTheme.applyStyle(outValue.resourceId, true);
1927            }
1928
1929            // Now apply the panelMenuListTheme
1930            widgetTheme.resolveAttribute(R.attr.panelMenuListTheme, outValue, true);
1931            if (outValue.resourceId != 0) {
1932                widgetTheme.applyStyle(outValue.resourceId, true);
1933            } else {
1934                widgetTheme.applyStyle(R.style.Theme_AppCompat_CompactMenu, true);
1935            }
1936
1937            context = new ContextThemeWrapper(context, 0);
1938            context.getTheme().setTo(widgetTheme);
1939
1940            listPresenterContext = context;
1941
1942            TypedArray a = context.obtainStyledAttributes(R.styleable.AppCompatTheme);
1943            background = a.getResourceId(
1944                    R.styleable.AppCompatTheme_panelBackground, 0);
1945            windowAnimations = a.getResourceId(
1946                    R.styleable.AppCompatTheme_android_windowAnimationStyle, 0);
1947            a.recycle();
1948        }
1949
1950        void setMenu(MenuBuilder menu) {
1951            if (menu == this.menu) return;
1952
1953            if (this.menu != null) {
1954                this.menu.removeMenuPresenter(listMenuPresenter);
1955            }
1956            this.menu = menu;
1957            if (menu != null) {
1958                if (listMenuPresenter != null) menu.addMenuPresenter(listMenuPresenter);
1959            }
1960        }
1961
1962        MenuView getListMenuView(MenuPresenter.Callback cb) {
1963            if (menu == null) return null;
1964
1965            if (listMenuPresenter == null) {
1966                listMenuPresenter = new ListMenuPresenter(listPresenterContext,
1967                        R.layout.abc_list_menu_item_layout);
1968                listMenuPresenter.setCallback(cb);
1969                menu.addMenuPresenter(listMenuPresenter);
1970            }
1971
1972            MenuView result = listMenuPresenter.getMenuView(decorView);
1973
1974            return result;
1975        }
1976
1977        Parcelable onSaveInstanceState() {
1978            SavedState savedState = new SavedState();
1979            savedState.featureId = featureId;
1980            savedState.isOpen = isOpen;
1981
1982            if (menu != null) {
1983                savedState.menuState = new Bundle();
1984                menu.savePresenterStates(savedState.menuState);
1985            }
1986
1987            return savedState;
1988        }
1989
1990        void onRestoreInstanceState(Parcelable state) {
1991            SavedState savedState = (SavedState) state;
1992            featureId = savedState.featureId;
1993            wasLastOpen = savedState.isOpen;
1994            frozenMenuState = savedState.menuState;
1995
1996            shownPanelView = null;
1997            decorView = null;
1998        }
1999
2000        void applyFrozenState() {
2001            if (menu != null && frozenMenuState != null) {
2002                menu.restorePresenterStates(frozenMenuState);
2003                frozenMenuState = null;
2004            }
2005        }
2006
2007        private static class SavedState implements Parcelable {
2008            int featureId;
2009            boolean isOpen;
2010            Bundle menuState;
2011
2012            public int describeContents() {
2013                return 0;
2014            }
2015
2016            public void writeToParcel(Parcel dest, int flags) {
2017                dest.writeInt(featureId);
2018                dest.writeInt(isOpen ? 1 : 0);
2019
2020                if (isOpen) {
2021                    dest.writeBundle(menuState);
2022                }
2023            }
2024
2025            private static SavedState readFromParcel(Parcel source, ClassLoader loader) {
2026                SavedState savedState = new SavedState();
2027                savedState.featureId = source.readInt();
2028                savedState.isOpen = source.readInt() == 1;
2029
2030                if (savedState.isOpen) {
2031                    savedState.menuState = source.readBundle(loader);
2032                }
2033
2034                return savedState;
2035            }
2036
2037            public static final Parcelable.Creator<SavedState> CREATOR
2038                    = ParcelableCompat.newCreator(
2039                    new ParcelableCompatCreatorCallbacks<SavedState>() {
2040                        @Override
2041                        public SavedState createFromParcel(Parcel in, ClassLoader loader) {
2042                            return readFromParcel(in, loader);
2043                        }
2044
2045                        @Override
2046                        public SavedState[] newArray(int size) {
2047                            return new SavedState[size];
2048                        }
2049                    });
2050        }
2051    }
2052
2053    private class ListMenuDecorView extends ContentFrameLayout {
2054        public ListMenuDecorView(Context context) {
2055            super(context);
2056        }
2057
2058        @Override
2059        public boolean dispatchKeyEvent(KeyEvent event) {
2060            return AppCompatDelegateImplV7.this.dispatchKeyEvent(event)
2061                    || super.dispatchKeyEvent(event);
2062        }
2063
2064        @Override
2065        public boolean onInterceptTouchEvent(MotionEvent event) {
2066            int action = event.getAction();
2067            if (action == MotionEvent.ACTION_DOWN) {
2068                int x = (int) event.getX();
2069                int y = (int) event.getY();
2070                if (isOutOfBounds(x, y)) {
2071                    closePanel(Window.FEATURE_OPTIONS_PANEL);
2072                    return true;
2073                }
2074            }
2075            return super.onInterceptTouchEvent(event);
2076        }
2077
2078        @Override
2079        public void setBackgroundResource(int resid) {
2080            setBackgroundDrawable(AppCompatDrawableManager.get().getDrawable(getContext(), resid));
2081        }
2082
2083        private boolean isOutOfBounds(int x, int y) {
2084            return x < -5 || y < -5 || x > (getWidth() + 5) || y > (getHeight() + 5);
2085        }
2086    }
2087}
2088