PhoneWindow.java revision 4d396052deb54399cbadbeb8abd873df6f3af342 
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.ViewGroup.LayoutParams.MATCH_PARENT;
19import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
20import static android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN;
21import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR;
22import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
23import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
24import static android.view.WindowManager.LayoutParams.FLAG_NEEDS_MENU_KEY;
25
26import com.android.internal.view.BaseSurfaceHolder;
27import com.android.internal.view.RootViewSurfaceTaker;
28import com.android.internal.view.StandaloneActionMode;
29import com.android.internal.view.menu.ContextMenuBuilder;
30import com.android.internal.view.menu.MenuBuilder;
31import com.android.internal.view.menu.MenuDialogHelper;
32import com.android.internal.view.menu.MenuPopupHelper;
33import com.android.internal.view.menu.MenuView;
34import com.android.internal.view.menu.SubMenuBuilder;
35import com.android.internal.widget.ActionBarContextView;
36import com.android.internal.widget.ActionBarView;
37
38import android.app.KeyguardManager;
39import android.app.SearchManager;
40import android.content.ActivityNotFoundException;
41import android.content.Context;
42import android.content.Intent;
43import android.content.res.Configuration;
44import android.content.res.TypedArray;
45import android.graphics.Canvas;
46import android.graphics.PixelFormat;
47import android.graphics.Rect;
48import android.graphics.drawable.Drawable;
49import android.media.AudioManager;
50import android.net.Uri;
51import android.os.Bundle;
52import android.os.Parcel;
53import android.os.Parcelable;
54import android.os.SystemClock;
55import android.telephony.TelephonyManager;
56import android.util.AndroidRuntimeException;
57import android.util.Config;
58import android.util.EventLog;
59import android.util.Log;
60import android.util.SparseArray;
61import android.util.TypedValue;
62import android.view.ActionMode;
63import android.view.Gravity;
64import android.view.HapticFeedbackConstants;
65import android.view.InputQueue;
66import android.view.KeyCharacterMap;
67import android.view.KeyEvent;
68import android.view.LayoutInflater;
69import android.view.Menu;
70import android.view.MenuItem;
71import android.view.MotionEvent;
72import android.view.SurfaceHolder;
73import android.view.View;
74import android.view.ViewGroup;
75import android.view.ViewManager;
76import android.view.ViewStub;
77import android.view.VolumePanel;
78import android.view.Window;
79import android.view.WindowManager;
80import android.view.accessibility.AccessibilityEvent;
81import android.view.accessibility.AccessibilityManager;
82import android.view.animation.Animation;
83import android.view.animation.AnimationUtils;
84import android.view.inputmethod.InputMethodManager;
85import android.widget.FrameLayout;
86import android.widget.ImageView;
87import android.widget.PopupWindow;
88import android.widget.ProgressBar;
89import android.widget.TextView;
90
91/**
92 * Android-specific Window.
93 * <p>
94 * todo: need to pull the generic functionality out into a base class
95 * in android.widget.
96 */
97public class PhoneWindow extends Window implements MenuBuilder.Callback {
98
99    private final static String TAG = "PhoneWindow";
100
101    private final static boolean SWEEP_OPEN_MENU = false;
102
103    /**
104     * Simple callback used by the context menu and its submenus. The options
105     * menu submenus do not use this (their behavior is more complex).
106     */
107    DialogMenuCallback mContextMenuCallback = new DialogMenuCallback(FEATURE_CONTEXT_MENU);
108
109    // This is the top-level view of the window, containing the window decor.
110    private DecorView mDecor;
111
112    // This is the view in which the window contents are placed. It is either
113    // mDecor itself, or a child of mDecor where the contents go.
114    private ViewGroup mContentParent;
115
116    SurfaceHolder.Callback2 mTakeSurfaceCallback;
117    BaseSurfaceHolder mSurfaceHolder;
118
119    InputQueue.Callback mTakeInputQueueCallback;
120
121    private boolean mIsFloating;
122
123    private LayoutInflater mLayoutInflater;
124
125    private TextView mTitleView;
126
127    private ActionBarView mActionBar;
128
129    private DrawableFeatureState[] mDrawables;
130
131    private PanelFeatureState[] mPanels;
132
133    /**
134     * The panel that is prepared or opened (the most recent one if there are
135     * multiple panels). Shortcuts will go to this panel. It gets set in
136     * {@link #preparePanel} and cleared in {@link #closePanel}.
137     */
138    private PanelFeatureState mPreparedPanel;
139
140    /**
141     * The keycode that is currently held down (as a modifier) for chording. If
142     * this is 0, there is no key held down.
143     */
144    private int mPanelChordingKey;
145    private boolean mPanelMayLongPress;
146
147    private ImageView mLeftIconView;
148
149    private ImageView mRightIconView;
150
151    private ProgressBar mCircularProgressBar;
152
153    private ProgressBar mHorizontalProgressBar;
154
155    private int mBackgroundResource = 0;
156
157    private Drawable mBackgroundDrawable;
158
159    private int mFrameResource = 0;
160
161    private int mTextColor = 0;
162
163    private CharSequence mTitle = null;
164
165    private int mTitleColor = 0;
166
167    private ContextMenuBuilder mContextMenu;
168    private MenuDialogHelper mContextMenuHelper;
169
170    private int mVolumeControlStreamType = AudioManager.USE_DEFAULT_STREAM_TYPE;
171    private long mVolumeKeyUpTime;
172
173    private KeyguardManager mKeyguardManager = null;
174
175    private SearchManager mSearchManager = null;
176
177    private TelephonyManager mTelephonyManager = null;
178
179    public PhoneWindow(Context context) {
180        super(context);
181        mLayoutInflater = LayoutInflater.from(context);
182    }
183
184    @Override
185    public final void setContainer(Window container) {
186        super.setContainer(container);
187    }
188
189    @Override
190    public boolean requestFeature(int featureId) {
191        if (mContentParent != null) {
192            throw new AndroidRuntimeException("requestFeature() must be called before adding content");
193        }
194        final int features = getFeatures();
195        if ((features != DEFAULT_FEATURES) && (featureId == FEATURE_CUSTOM_TITLE)) {
196
197            /* Another feature is enabled and the user is trying to enable the custom title feature */
198            throw new AndroidRuntimeException("You cannot combine custom titles with other title features");
199        }
200        if (((features & (1 << FEATURE_CUSTOM_TITLE)) != 0) && (featureId != FEATURE_CUSTOM_TITLE)) {
201
202            /* Custom title feature is enabled and the user is trying to enable another feature */
203            throw new AndroidRuntimeException("You cannot combine custom titles with other title features");
204        }
205        if ((features & (1 << FEATURE_NO_TITLE)) != 0 && featureId == FEATURE_ACTION_BAR) {
206            return false; // Ignore. No title dominates.
207        }
208        if ((features & (1 << FEATURE_ACTION_BAR)) != 0 && featureId == FEATURE_NO_TITLE) {
209            // Remove the action bar feature if we have no title. No title dominates.
210            removeFeature(FEATURE_ACTION_BAR);
211        }
212        return super.requestFeature(featureId);
213    }
214
215    @Override
216    public void setContentView(int layoutResID) {
217        if (mContentParent == null) {
218            installDecor();
219        } else {
220            mContentParent.removeAllViews();
221        }
222        mLayoutInflater.inflate(layoutResID, mContentParent);
223        final Callback cb = getCallback();
224        if (cb != null) {
225            cb.onContentChanged();
226        }
227    }
228
229    @Override
230    public void setContentView(View view) {
231        setContentView(view, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
232    }
233
234    @Override
235    public void setContentView(View view, ViewGroup.LayoutParams params) {
236        if (mContentParent == null) {
237            installDecor();
238        } else {
239            mContentParent.removeAllViews();
240        }
241        mContentParent.addView(view, params);
242        final Callback cb = getCallback();
243        if (cb != null) {
244            cb.onContentChanged();
245        }
246    }
247
248    @Override
249    public void addContentView(View view, ViewGroup.LayoutParams params) {
250        if (mContentParent == null) {
251            installDecor();
252        }
253        mContentParent.addView(view, params);
254        final Callback cb = getCallback();
255        if (cb != null) {
256            cb.onContentChanged();
257        }
258    }
259
260    @Override
261    public View getCurrentFocus() {
262        return mDecor != null ? mDecor.findFocus() : null;
263    }
264
265    @Override
266    public void takeSurface(SurfaceHolder.Callback2 callback) {
267        mTakeSurfaceCallback = callback;
268    }
269
270    public void takeInputQueue(InputQueue.Callback callback) {
271        mTakeInputQueueCallback = callback;
272    }
273
274    @Override
275    public boolean isFloating() {
276        return mIsFloating;
277    }
278
279    /**
280     * Return a LayoutInflater instance that can be used to inflate XML view layout
281     * resources for use in this Window.
282     *
283     * @return LayoutInflater The shared LayoutInflater.
284     */
285    @Override
286    public LayoutInflater getLayoutInflater() {
287        return mLayoutInflater;
288    }
289
290    @Override
291    public void setTitle(CharSequence title) {
292        if (mTitleView != null) {
293            mTitleView.setText(title);
294        } else if (mActionBar != null) {
295            mActionBar.setWindowTitle(title);
296        }
297        mTitle = title;
298    }
299
300    @Override
301    public void setTitleColor(int textColor) {
302        if (mTitleView != null) {
303            mTitleView.setTextColor(textColor);
304        }
305        mTitleColor = textColor;
306    }
307
308    /**
309     * Prepares the panel to either be opened or chorded. This creates the Menu
310     * instance for the panel and populates it via the Activity callbacks.
311     *
312     * @param st The panel state to prepare.
313     * @param event The event that triggered the preparing of the panel.
314     * @return Whether the panel was prepared. If the panel should not be shown,
315     *         returns false.
316     */
317    public final boolean preparePanel(PanelFeatureState st, KeyEvent event) {
318        // Already prepared (isPrepared will be reset to false later)
319        if (st.isPrepared)
320            return true;
321
322        if ((mPreparedPanel != null) && (mPreparedPanel != st)) {
323            // Another Panel is prepared and possibly open, so close it
324            closePanel(mPreparedPanel, false);
325        }
326
327        final Callback cb = getCallback();
328
329        if (cb != null) {
330            st.createdPanelView = cb.onCreatePanelView(st.featureId);
331        }
332
333        if (st.createdPanelView == null) {
334            // Init the panel state's menu--return false if init failed
335            if (st.menu == null || st.refreshMenuContent) {
336                if (st.menu == null) {
337                    if (!initializePanelMenu(st) || (st.menu == null)) {
338                        return false;
339                    }
340                }
341                // Call callback, and return if it doesn't want to display menu
342                if ((cb == null) || !cb.onCreatePanelMenu(st.featureId, st.menu)) {
343                    // Ditch the menu created above
344                    st.menu = null;
345
346                    return false;
347                }
348
349                st.refreshMenuContent = false;
350
351                if (mActionBar != null) {
352                    mActionBar.setMenu(st.menu);
353                }
354            }
355
356            // Callback and return if the callback does not want to show the menu
357            if (!cb.onPreparePanel(st.featureId, st.createdPanelView, st.menu)) {
358                return false;
359            }
360
361            // Set the proper keymap
362            KeyCharacterMap kmap = KeyCharacterMap.load(event != null ? event.getDeviceId() : 0);
363            st.qwertyMode = kmap.getKeyboardType() != KeyCharacterMap.NUMERIC;
364            st.menu.setQwertyMode(st.qwertyMode);
365        }
366
367        // Set other state
368        st.isPrepared = true;
369        st.isHandled = false;
370        mPreparedPanel = st;
371
372        return true;
373    }
374
375    @Override
376    public void onConfigurationChanged(Configuration newConfig) {
377        // Action bars handle their own menu state
378        if (mActionBar == null) {
379            PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
380            if ((st != null) && (st.menu != null)) {
381                final MenuBuilder menuBuilder = (MenuBuilder) st.menu;
382
383                if (st.isOpen) {
384                    // Freeze state
385                    final Bundle state = new Bundle();
386                    menuBuilder.saveHierarchyState(state);
387
388                    // Remove the menu views since they need to be recreated
389                    // according to the new configuration
390                    clearMenuViews(st);
391
392                    // Re-open the same menu
393                    reopenMenu(false);
394
395                    // Restore state
396                    menuBuilder.restoreHierarchyState(state);
397
398                } else {
399                    // Clear menu views so on next menu opening, it will use
400                    // the proper layout
401                    clearMenuViews(st);
402                }
403            }
404        }
405    }
406
407    private static void clearMenuViews(PanelFeatureState st) {
408        // This can be called on config changes, so we should make sure
409        // the views will be reconstructed based on the new orientation, etc.
410
411        // Allow the callback to create a new panel view
412        st.createdPanelView = null;
413
414        // Causes the decor view to be recreated
415        st.refreshDecorView = true;
416
417        ((MenuBuilder) st.menu).clearMenuViews();
418    }
419
420    @Override
421    public final void openPanel(int featureId, KeyEvent event) {
422        if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null &&
423                mActionBar.isOverflowReserved()) {
424            mActionBar.showOverflowMenu();
425        } else {
426            openPanel(getPanelState(featureId, true), event);
427        }
428    }
429
430    private void openPanel(PanelFeatureState st, KeyEvent event) {
431        // System.out.println("Open panel: isOpen=" + st.isOpen);
432
433        // Already open, return
434        if (st.isOpen) {
435            return;
436        }
437
438        Callback cb = getCallback();
439        if ((cb != null) && (!cb.onMenuOpened(st.featureId, st.menu))) {
440            // Callback doesn't want the menu to open, reset any state
441            closePanel(st, true);
442            return;
443        }
444
445        final WindowManager wm = getWindowManager();
446        if (wm == null) {
447            return;
448        }
449
450        // Prepare panel (should have been done before, but just in case)
451        if (!preparePanel(st, event)) {
452            return;
453        }
454
455        if (st.decorView == null || st.refreshDecorView) {
456            if (st.decorView == null) {
457                // Initialize the panel decor, this will populate st.decorView
458                if (!initializePanelDecor(st) || (st.decorView == null))
459                    return;
460            } else if (st.refreshDecorView && (st.decorView.getChildCount() > 0)) {
461                // Decor needs refreshing, so remove its views
462                st.decorView.removeAllViews();
463            }
464
465            // This will populate st.shownPanelView
466            if (!initializePanelContent(st) || (st.shownPanelView == null)) {
467                return;
468            }
469
470            ViewGroup.LayoutParams lp = st.shownPanelView.getLayoutParams();
471            if (lp == null) {
472                lp = new ViewGroup.LayoutParams(WRAP_CONTENT, WRAP_CONTENT);
473            }
474
475            int backgroundResId;
476            if (lp.width == ViewGroup.LayoutParams.MATCH_PARENT) {
477                // If the contents is fill parent for the width, set the
478                // corresponding background
479                backgroundResId = st.fullBackground;
480            } else {
481                // Otherwise, set the normal panel background
482                backgroundResId = st.background;
483            }
484            st.decorView.setWindowBackground(getContext().getResources().getDrawable(
485                    backgroundResId));
486
487
488            st.decorView.addView(st.shownPanelView, lp);
489
490            /*
491             * Give focus to the view, if it or one of its children does not
492             * already have it.
493             */
494            if (!st.shownPanelView.hasFocus()) {
495                st.shownPanelView.requestFocus();
496            }
497        }
498
499        st.isOpen = true;
500        st.isHandled = false;
501
502        WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
503                WRAP_CONTENT, WRAP_CONTENT,
504                st.x, st.y, WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG,
505                WindowManager.LayoutParams.FLAG_DITHER
506                | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
507                st.decorView.mDefaultOpacity);
508
509        lp.gravity = st.gravity;
510        lp.windowAnimations = st.windowAnimations;
511
512        wm.addView(st.decorView, lp);
513        // Log.v(TAG, "Adding main menu to window manager.");
514    }
515
516    @Override
517    public final void closePanel(int featureId) {
518        if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null &&
519                mActionBar.isOverflowReserved()) {
520            mActionBar.hideOverflowMenu();
521        } else if (featureId == FEATURE_CONTEXT_MENU) {
522            closeContextMenu();
523        } else {
524            closePanel(getPanelState(featureId, true), true);
525        }
526    }
527
528    /**
529     * Closes the given panel.
530     *
531     * @param st The panel to be closed.
532     * @param doCallback Whether to notify the callback that the panel was
533     *            closed. If the panel is in the process of re-opening or
534     *            opening another panel (e.g., menu opening a sub menu), the
535     *            callback should not happen and this variable should be false.
536     *            In addition, this method internally will only perform the
537     *            callback if the panel is open.
538     */
539    public final void closePanel(PanelFeatureState st, boolean doCallback) {
540        // System.out.println("Close panel: isOpen=" + st.isOpen);
541        final ViewManager wm = getWindowManager();
542        if ((wm != null) && st.isOpen) {
543            if (st.decorView != null) {
544                wm.removeView(st.decorView);
545                // Log.v(TAG, "Removing main menu from window manager.");
546            }
547
548            if (doCallback) {
549                callOnPanelClosed(st.featureId, st, null);
550            }
551        }
552        st.isPrepared = false;
553        st.isHandled = false;
554        st.isOpen = false;
555
556        // This view is no longer shown, so null it out
557        st.shownPanelView = null;
558
559        if (st.isInExpandedMode) {
560            // Next time the menu opens, it should not be in expanded mode, so
561            // force a refresh of the decor
562            st.refreshDecorView = true;
563            st.isInExpandedMode = false;
564        }
565
566        if (mPreparedPanel == st) {
567            mPreparedPanel = null;
568            mPanelChordingKey = 0;
569        }
570    }
571
572    @Override
573    public final void togglePanel(int featureId, KeyEvent event) {
574        PanelFeatureState st = getPanelState(featureId, true);
575        if (st.isOpen) {
576            closePanel(st, true);
577        } else {
578            openPanel(st, event);
579        }
580    }
581
582    @Override
583    public void invalidatePanelMenu(int featureId) {
584        PanelFeatureState st = getPanelState(featureId, true);
585        if (st.menu != null) {
586            st.menu.clear();
587        }
588        st.refreshMenuContent = true;
589        st.refreshDecorView = true;
590
591        // Prepare the options panel if we have an action bar
592        if ((featureId == FEATURE_ACTION_BAR || featureId == FEATURE_OPTIONS_PANEL)
593                && mActionBar != null) {
594            st = getPanelState(Window.FEATURE_OPTIONS_PANEL, false);
595            if (st != null) {
596                st.isPrepared = false;
597                preparePanel(st, null);
598            }
599        }
600    }
601
602    /**
603     * Called when the panel key is pushed down.
604     * @param featureId The feature ID of the relevant panel (defaults to FEATURE_OPTIONS_PANEL}.
605     * @param event The key event.
606     * @return Whether the key was handled.
607     */
608    public final boolean onKeyDownPanel(int featureId, KeyEvent event) {
609        final int keyCode = event.getKeyCode();
610
611        if (event.getRepeatCount() == 0) {
612            // The panel key was pushed, so set the chording key
613            mPanelChordingKey = keyCode;
614            mPanelMayLongPress = false;
615
616            PanelFeatureState st = getPanelState(featureId, true);
617            if (!st.isOpen) {
618                if (getContext().getResources().getConfiguration().keyboard
619                        == Configuration.KEYBOARD_NOKEYS) {
620                    mPanelMayLongPress = true;
621                }
622                return preparePanel(st, event);
623            }
624        } else if (mPanelMayLongPress && mPanelChordingKey == keyCode
625                && (event.getFlags()&KeyEvent.FLAG_LONG_PRESS) != 0) {
626            // We have had a long press while in a state where this
627            // should be executed...  do it!
628            mPanelChordingKey = 0;
629            mPanelMayLongPress = false;
630        }
631
632        return false;
633    }
634
635    /**
636     * Called when the panel key is released.
637     * @param featureId The feature ID of the relevant panel (defaults to FEATURE_OPTIONS_PANEL}.
638     * @param event The key event.
639     */
640    public final void onKeyUpPanel(int featureId, KeyEvent event) {
641        // The panel key was released, so clear the chording key
642        if (mPanelChordingKey != 0) {
643            mPanelChordingKey = 0;
644            mPanelMayLongPress = false;
645
646            if (event.isCanceled()) {
647                return;
648            }
649
650            boolean playSoundEffect = false;
651            final PanelFeatureState st = getPanelState(featureId, true);
652            if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null &&
653                    mActionBar.isOverflowReserved()) {
654                if (!mActionBar.isOverflowMenuShowing()) {
655                    final Callback cb = getCallback();
656                    if (cb != null &&
657                            cb.onPreparePanel(featureId, st.createdPanelView, st.menu)) {
658                        playSoundEffect = mActionBar.showOverflowMenu();
659                    }
660                } else {
661                    playSoundEffect = mActionBar.hideOverflowMenu();
662                }
663            } else {
664                if (st.isOpen || st.isHandled) {
665
666                    // Play the sound effect if the user closed an open menu (and not if
667                    // they just released a menu shortcut)
668                    playSoundEffect = st.isOpen;
669
670                    // Close menu
671                    closePanel(st, true);
672
673                } else if (st.isPrepared) {
674
675                    // Write 'menu opened' to event log
676                    EventLog.writeEvent(50001, 0);
677
678                    // Show menu
679                    openPanel(st, event);
680
681                    playSoundEffect = true;
682                }
683            }
684
685            if (playSoundEffect) {
686                AudioManager audioManager = (AudioManager) getContext().getSystemService(
687                        Context.AUDIO_SERVICE);
688                if (audioManager != null) {
689                    audioManager.playSoundEffect(AudioManager.FX_KEY_CLICK);
690                } else {
691                    Log.w(TAG, "Couldn't get audio manager");
692                }
693            }
694        }
695    }
696
697    @Override
698    public final void closeAllPanels() {
699        final ViewManager wm = getWindowManager();
700        if (wm == null) {
701            return;
702        }
703
704        final PanelFeatureState[] panels = mPanels;
705        final int N = panels != null ? panels.length : 0;
706        for (int i = 0; i < N; i++) {
707            final PanelFeatureState panel = panels[i];
708            if (panel != null) {
709                closePanel(panel, true);
710            }
711        }
712
713        closeContextMenu();
714    }
715
716    /**
717     * Closes the context menu. This notifies the menu logic of the close, along
718     * with dismissing it from the UI.
719     */
720    private synchronized void closeContextMenu() {
721        if (mContextMenu != null) {
722            mContextMenu.close();
723            dismissContextMenu();
724        }
725    }
726
727    /**
728     * Dismisses just the context menu UI. To close the context menu, use
729     * {@link #closeContextMenu()}.
730     */
731    private synchronized void dismissContextMenu() {
732        mContextMenu = null;
733
734        if (mContextMenuHelper != null) {
735            mContextMenuHelper.dismiss();
736            mContextMenuHelper = null;
737        }
738    }
739
740    @Override
741    public boolean performPanelShortcut(int featureId, int keyCode, KeyEvent event, int flags) {
742        return performPanelShortcut(getPanelState(featureId, true), keyCode, event, flags);
743    }
744
745    private boolean performPanelShortcut(PanelFeatureState st, int keyCode, KeyEvent event,
746            int flags) {
747        if (event.isSystem() || (st == null)) {
748            return false;
749        }
750
751        boolean handled = false;
752
753        // Only try to perform menu shortcuts if preparePanel returned true (possible false
754        // return value from application not wanting to show the menu).
755        if ((st.isPrepared || preparePanel(st, event)) && st.menu != null) {
756            // The menu is prepared now, perform the shortcut on it
757            handled = st.menu.performShortcut(keyCode, event, flags);
758        }
759
760        if (handled) {
761            // Mark as handled
762            st.isHandled = true;
763
764            if ((flags & Menu.FLAG_PERFORM_NO_CLOSE) == 0) {
765                closePanel(st, true);
766            }
767        }
768
769        return handled;
770    }
771
772    @Override
773    public boolean performPanelIdentifierAction(int featureId, int id, int flags) {
774
775        PanelFeatureState st = getPanelState(featureId, true);
776        if (!preparePanel(st, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU))) {
777            return false;
778        }
779        if (st.menu == null) {
780            return false;
781        }
782
783        boolean res = st.menu.performIdentifierAction(id, flags);
784
785        closePanel(st, true);
786
787        return res;
788    }
789
790    public PanelFeatureState findMenuPanel(Menu menu) {
791        final PanelFeatureState[] panels = mPanels;
792        final int N = panels != null ? panels.length : 0;
793        for (int i = 0; i < N; i++) {
794            final PanelFeatureState panel = panels[i];
795            if (panel != null && panel.menu == menu) {
796                return panel;
797            }
798        }
799        return null;
800    }
801
802    public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
803        final Callback cb = getCallback();
804        if (cb != null) {
805            final PanelFeatureState panel = findMenuPanel(menu.getRootMenu());
806            if (panel != null) {
807                return cb.onMenuItemSelected(panel.featureId, item);
808            }
809        }
810        return false;
811    }
812
813    public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
814        final PanelFeatureState panel = findMenuPanel(menu);
815        if (panel != null) {
816            // Close the panel and only do the callback if the menu is being
817            // closed
818            // completely, not if opening a sub menu
819            closePanel(panel, allMenusAreClosing);
820        }
821    }
822
823    public void onCloseSubMenu(SubMenuBuilder subMenu) {
824        final Menu parentMenu = subMenu.getRootMenu();
825        final PanelFeatureState panel = findMenuPanel(parentMenu);
826
827        // Callback
828        if (panel != null) {
829            callOnPanelClosed(panel.featureId, panel, parentMenu);
830            closePanel(panel, true);
831        }
832    }
833
834    public boolean onSubMenuSelected(final SubMenuBuilder subMenu) {
835        if (!subMenu.hasVisibleItems()) {
836            return true;
837        }
838
839        final Menu parentMenu = subMenu.getRootMenu();
840        final PanelFeatureState panel = findMenuPanel(parentMenu);
841
842        /*
843         * Use the panel open state to determine whether this is coming from an open panel
844         * or an action button. If it's an open panel we want to use MenuDialogHelper.
845         * If it's closed we want to grab the relevant view and create a popup anchored to it.
846         */
847        if (panel.isOpen) {
848            // The window manager will give us a valid window token
849            new MenuDialogHelper(subMenu).show(null);
850        } else {
851            new MenuPopupHelper(getContext(), subMenu).show();
852        }
853
854        return true;
855    }
856
857    public void onMenuModeChange(MenuBuilder menu) {
858        reopenMenu(true);
859    }
860
861    private void reopenMenu(boolean toggleMenuMode) {
862        if (mActionBar != null) {
863            if (!mActionBar.isOverflowMenuShowing() || !toggleMenuMode) {
864                final Callback cb = getCallback();
865                if (cb != null) {
866                    final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
867                    if (cb.onPreparePanel(FEATURE_OPTIONS_PANEL, st.createdPanelView, st.menu)) {
868                        mActionBar.showOverflowMenu();
869                    }
870                }
871            } else {
872                mActionBar.hideOverflowMenu();
873            }
874            return;
875        }
876
877        PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
878
879        // Save the future expanded mode state since closePanel will reset it
880        boolean newExpandedMode = toggleMenuMode ? !st.isInExpandedMode : st.isInExpandedMode;
881
882        st.refreshDecorView = true;
883        closePanel(st, false);
884
885        // Set the expanded mode state
886        st.isInExpandedMode = newExpandedMode;
887
888        openPanel(st, null);
889    }
890
891    /**
892     * Initializes the menu associated with the given panel feature state. You
893     * must at the very least set PanelFeatureState.menu to the Menu to be
894     * associated with the given panel state. The default implementation creates
895     * a new menu for the panel state.
896     *
897     * @param st The panel whose menu is being initialized.
898     * @return Whether the initialization was successful.
899     */
900    protected boolean initializePanelMenu(final PanelFeatureState st) {
901        final MenuBuilder menu = new MenuBuilder(getContext());
902
903        menu.setCallback(this);
904        st.setMenu(menu);
905
906        return true;
907    }
908
909    /**
910     * Perform initial setup of a panel. This should at the very least set the
911     * style information in the PanelFeatureState and must set
912     * PanelFeatureState.decor to the panel's window decor view.
913     *
914     * @param st The panel being initialized.
915     */
916    protected boolean initializePanelDecor(PanelFeatureState st) {
917        st.decorView = new DecorView(getContext(), st.featureId);
918        st.gravity = Gravity.CENTER | Gravity.BOTTOM;
919        st.setStyle(getContext());
920
921        return true;
922    }
923
924    /**
925     * Initializes the panel associated with the panel feature state. You must
926     * at the very least set PanelFeatureState.panel to the View implementing
927     * its contents. The default implementation gets the panel from the menu.
928     *
929     * @param st The panel state being initialized.
930     * @return Whether the initialization was successful.
931     */
932    protected boolean initializePanelContent(PanelFeatureState st) {
933
934        if (st.createdPanelView != null) {
935            st.shownPanelView = st.createdPanelView;
936            return true;
937        }
938
939        final MenuBuilder menu = (MenuBuilder)st.menu;
940        if (menu == null) {
941            return false;
942        }
943
944        st.shownPanelView = menu.getMenuView((st.isInExpandedMode) ? MenuBuilder.TYPE_EXPANDED
945                : MenuBuilder.TYPE_ICON, st.decorView);
946
947        if (st.shownPanelView != null) {
948            // Use the menu View's default animations if it has any
949            final int defaultAnimations = ((MenuView) st.shownPanelView).getWindowAnimations();
950            if (defaultAnimations != 0) {
951                st.windowAnimations = defaultAnimations;
952            }
953            return true;
954        } else {
955            return false;
956        }
957    }
958
959    @Override
960    public boolean performContextMenuIdentifierAction(int id, int flags) {
961        return (mContextMenu != null) ? mContextMenu.performIdentifierAction(id, flags) : false;
962    }
963
964    @Override
965    public final void setBackgroundDrawable(Drawable drawable) {
966        if (drawable != mBackgroundDrawable || mBackgroundResource != 0) {
967            mBackgroundResource = 0;
968            mBackgroundDrawable = drawable;
969            if (mDecor != null) {
970                mDecor.setWindowBackground(drawable);
971            }
972        }
973    }
974
975    @Override
976    public final void setFeatureDrawableResource(int featureId, int resId) {
977        if (resId != 0) {
978            DrawableFeatureState st = getDrawableState(featureId, true);
979            if (st.resid != resId) {
980                st.resid = resId;
981                st.uri = null;
982                st.local = getContext().getResources().getDrawable(resId);
983                updateDrawable(featureId, st, false);
984            }
985        } else {
986            setFeatureDrawable(featureId, null);
987        }
988    }
989
990    @Override
991    public final void setFeatureDrawableUri(int featureId, Uri uri) {
992        if (uri != null) {
993            DrawableFeatureState st = getDrawableState(featureId, true);
994            if (st.uri == null || !st.uri.equals(uri)) {
995                st.resid = 0;
996                st.uri = uri;
997                st.local = loadImageURI(uri);
998                updateDrawable(featureId, st, false);
999            }
1000        } else {
1001            setFeatureDrawable(featureId, null);
1002        }
1003    }
1004
1005    @Override
1006    public final void setFeatureDrawable(int featureId, Drawable drawable) {
1007        DrawableFeatureState st = getDrawableState(featureId, true);
1008        st.resid = 0;
1009        st.uri = null;
1010        if (st.local != drawable) {
1011            st.local = drawable;
1012            updateDrawable(featureId, st, false);
1013        }
1014    }
1015
1016    @Override
1017    public void setFeatureDrawableAlpha(int featureId, int alpha) {
1018        DrawableFeatureState st = getDrawableState(featureId, true);
1019        if (st.alpha != alpha) {
1020            st.alpha = alpha;
1021            updateDrawable(featureId, st, false);
1022        }
1023    }
1024
1025    protected final void setFeatureDefaultDrawable(int featureId, Drawable drawable) {
1026        DrawableFeatureState st = getDrawableState(featureId, true);
1027        if (st.def != drawable) {
1028            st.def = drawable;
1029            updateDrawable(featureId, st, false);
1030        }
1031    }
1032
1033    @Override
1034    public final void setFeatureInt(int featureId, int value) {
1035        // XXX Should do more management (as with drawable features) to
1036        // deal with interactions between multiple window policies.
1037        updateInt(featureId, value, false);
1038    }
1039
1040    /**
1041     * Update the state of a drawable feature. This should be called, for every
1042     * drawable feature supported, as part of onActive(), to make sure that the
1043     * contents of a containing window is properly updated.
1044     *
1045     * @see #onActive
1046     * @param featureId The desired drawable feature to change.
1047     * @param fromActive Always true when called from onActive().
1048     */
1049    protected final void updateDrawable(int featureId, boolean fromActive) {
1050        final DrawableFeatureState st = getDrawableState(featureId, false);
1051        if (st != null) {
1052            updateDrawable(featureId, st, fromActive);
1053        }
1054    }
1055
1056    /**
1057     * Called when a Drawable feature changes, for the window to update its
1058     * graphics.
1059     *
1060     * @param featureId The feature being changed.
1061     * @param drawable The new Drawable to show, or null if none.
1062     * @param alpha The new alpha blending of the Drawable.
1063     */
1064    protected void onDrawableChanged(int featureId, Drawable drawable, int alpha) {
1065        ImageView view;
1066        if (featureId == FEATURE_LEFT_ICON) {
1067            view = getLeftIconView();
1068        } else if (featureId == FEATURE_RIGHT_ICON) {
1069            view = getRightIconView();
1070        } else {
1071            return;
1072        }
1073
1074        if (drawable != null) {
1075            drawable.setAlpha(alpha);
1076            view.setImageDrawable(drawable);
1077            view.setVisibility(View.VISIBLE);
1078        } else {
1079            view.setVisibility(View.GONE);
1080        }
1081    }
1082
1083    /**
1084     * Called when an int feature changes, for the window to update its
1085     * graphics.
1086     *
1087     * @param featureId The feature being changed.
1088     * @param value The new integer value.
1089     */
1090    protected void onIntChanged(int featureId, int value) {
1091        if (featureId == FEATURE_PROGRESS || featureId == FEATURE_INDETERMINATE_PROGRESS) {
1092            updateProgressBars(value);
1093        } else if (featureId == FEATURE_CUSTOM_TITLE) {
1094            FrameLayout titleContainer = (FrameLayout) findViewById(com.android.internal.R.id.title_container);
1095            if (titleContainer != null) {
1096                mLayoutInflater.inflate(value, titleContainer);
1097            }
1098        }
1099    }
1100
1101    /**
1102     * Updates the progress bars that are shown in the title bar.
1103     *
1104     * @param value Can be one of {@link Window#PROGRESS_VISIBILITY_ON},
1105     *            {@link Window#PROGRESS_VISIBILITY_OFF},
1106     *            {@link Window#PROGRESS_INDETERMINATE_ON},
1107     *            {@link Window#PROGRESS_INDETERMINATE_OFF}, or a value
1108     *            starting at {@link Window#PROGRESS_START} through
1109     *            {@link Window#PROGRESS_END} for setting the default
1110     *            progress (if {@link Window#PROGRESS_END} is given,
1111     *            the progress bar widgets in the title will be hidden after an
1112     *            animation), a value between
1113     *            {@link Window#PROGRESS_SECONDARY_START} -
1114     *            {@link Window#PROGRESS_SECONDARY_END} for the
1115     *            secondary progress (if
1116     *            {@link Window#PROGRESS_SECONDARY_END} is given, the
1117     *            progress bar widgets will still be shown with the secondary
1118     *            progress bar will be completely filled in.)
1119     */
1120    private void updateProgressBars(int value) {
1121        ProgressBar circularProgressBar = getCircularProgressBar(true);
1122        ProgressBar horizontalProgressBar = getHorizontalProgressBar(true);
1123
1124        final int features = getLocalFeatures();
1125        if (value == PROGRESS_VISIBILITY_ON) {
1126            if ((features & (1 << FEATURE_PROGRESS)) != 0) {
1127                int level = horizontalProgressBar.getProgress();
1128                int visibility = (horizontalProgressBar.isIndeterminate() || level < 10000) ?
1129                        View.VISIBLE : View.INVISIBLE;
1130                horizontalProgressBar.setVisibility(visibility);
1131            }
1132            if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
1133                circularProgressBar.setVisibility(View.VISIBLE);
1134            }
1135        } else if (value == PROGRESS_VISIBILITY_OFF) {
1136            if ((features & (1 << FEATURE_PROGRESS)) != 0) {
1137                horizontalProgressBar.setVisibility(View.GONE);
1138            }
1139            if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
1140                circularProgressBar.setVisibility(View.GONE);
1141            }
1142        } else if (value == PROGRESS_INDETERMINATE_ON) {
1143            horizontalProgressBar.setIndeterminate(true);
1144        } else if (value == PROGRESS_INDETERMINATE_OFF) {
1145            horizontalProgressBar.setIndeterminate(false);
1146        } else if (PROGRESS_START <= value && value <= PROGRESS_END) {
1147            // We want to set the progress value before testing for visibility
1148            // so that when the progress bar becomes visible again, it has the
1149            // correct level.
1150            horizontalProgressBar.setProgress(value - PROGRESS_START);
1151
1152            if (value < PROGRESS_END) {
1153                showProgressBars(horizontalProgressBar, circularProgressBar);
1154            } else {
1155                hideProgressBars(horizontalProgressBar, circularProgressBar);
1156            }
1157        } else if (PROGRESS_SECONDARY_START <= value && value <= PROGRESS_SECONDARY_END) {
1158            horizontalProgressBar.setSecondaryProgress(value - PROGRESS_SECONDARY_START);
1159
1160            showProgressBars(horizontalProgressBar, circularProgressBar);
1161        }
1162
1163    }
1164
1165    private void showProgressBars(ProgressBar horizontalProgressBar, ProgressBar spinnyProgressBar) {
1166        final int features = getLocalFeatures();
1167        if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0 &&
1168                spinnyProgressBar.getVisibility() == View.INVISIBLE) {
1169            spinnyProgressBar.setVisibility(View.VISIBLE);
1170        }
1171        // Only show the progress bars if the primary progress is not complete
1172        if ((features & (1 << FEATURE_PROGRESS)) != 0 &&
1173                horizontalProgressBar.getProgress() < 10000) {
1174            horizontalProgressBar.setVisibility(View.VISIBLE);
1175        }
1176    }
1177
1178    private void hideProgressBars(ProgressBar horizontalProgressBar, ProgressBar spinnyProgressBar) {
1179        final int features = getLocalFeatures();
1180        Animation anim = AnimationUtils.loadAnimation(getContext(), com.android.internal.R.anim.fade_out);
1181        anim.setDuration(1000);
1182        if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0 &&
1183                spinnyProgressBar.getVisibility() == View.VISIBLE) {
1184            spinnyProgressBar.startAnimation(anim);
1185            spinnyProgressBar.setVisibility(View.INVISIBLE);
1186        }
1187        if ((features & (1 << FEATURE_PROGRESS)) != 0 &&
1188                horizontalProgressBar.getVisibility() == View.VISIBLE) {
1189            horizontalProgressBar.startAnimation(anim);
1190            horizontalProgressBar.setVisibility(View.INVISIBLE);
1191        }
1192    }
1193
1194    /**
1195     * Request that key events come to this activity. Use this if your activity
1196     * has no views with focus, but the activity still wants a chance to process
1197     * key events.
1198     */
1199    @Override
1200    public void takeKeyEvents(boolean get) {
1201        mDecor.setFocusable(get);
1202    }
1203
1204    @Override
1205    public boolean superDispatchKeyEvent(KeyEvent event) {
1206        return mDecor.superDispatchKeyEvent(event);
1207    }
1208
1209    @Override
1210    public boolean superDispatchTouchEvent(MotionEvent event) {
1211        return mDecor.superDispatchTouchEvent(event);
1212    }
1213
1214    @Override
1215    public boolean superDispatchTrackballEvent(MotionEvent event) {
1216        return mDecor.superDispatchTrackballEvent(event);
1217    }
1218
1219    /**
1220     * A key was pressed down and not handled by anything else in the window.
1221     *
1222     * @see #onKeyUp
1223     * @see android.view.KeyEvent
1224     */
1225    protected boolean onKeyDown(int featureId, int keyCode, KeyEvent event) {
1226        final KeyEvent.DispatcherState dispatcher =
1227                mDecor != null ? mDecor.getKeyDispatcherState() : null;
1228        //Log.i(TAG, "Key down: repeat=" + event.getRepeatCount()
1229        //        + " flags=0x" + Integer.toHexString(event.getFlags()));
1230
1231        switch (keyCode) {
1232            case KeyEvent.KEYCODE_VOLUME_UP:
1233            case KeyEvent.KEYCODE_VOLUME_DOWN: {
1234                AudioManager audioManager = (AudioManager) getContext().getSystemService(
1235                        Context.AUDIO_SERVICE);
1236                if (audioManager != null) {
1237                    /*
1238                     * Adjust the volume in on key down since it is more
1239                     * responsive to the user.
1240                     */
1241                    audioManager.adjustSuggestedStreamVolume(
1242                            keyCode == KeyEvent.KEYCODE_VOLUME_UP
1243                                    ? AudioManager.ADJUST_RAISE
1244                                    : AudioManager.ADJUST_LOWER,
1245                            mVolumeControlStreamType,
1246                            AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_VIBRATE);
1247                }
1248                return true;
1249            }
1250
1251
1252            case KeyEvent.KEYCODE_MEDIA_PLAY:
1253            case KeyEvent.KEYCODE_MEDIA_PAUSE:
1254            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
1255                /* Suppress PLAY/PAUSE toggle when phone is ringing or in-call
1256                 * to avoid music playback */
1257                if (mTelephonyManager == null) {
1258                    mTelephonyManager = (TelephonyManager) getContext().getSystemService(
1259                            Context.TELEPHONY_SERVICE);
1260                }
1261                if (mTelephonyManager != null &&
1262                        mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) {
1263                    return true;  // suppress key event
1264                }
1265            case KeyEvent.KEYCODE_MUTE:
1266            case KeyEvent.KEYCODE_HEADSETHOOK:
1267            case KeyEvent.KEYCODE_MEDIA_STOP:
1268            case KeyEvent.KEYCODE_MEDIA_NEXT:
1269            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
1270            case KeyEvent.KEYCODE_MEDIA_REWIND:
1271            case KeyEvent.KEYCODE_MEDIA_RECORD:
1272            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: {
1273                Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON, null);
1274                intent.putExtra(Intent.EXTRA_KEY_EVENT, event);
1275                getContext().sendOrderedBroadcast(intent, null);
1276                return true;
1277            }
1278
1279            case KeyEvent.KEYCODE_CAMERA: {
1280                if (getKeyguardManager().inKeyguardRestrictedInputMode()
1281                        || dispatcher == null) {
1282                    break;
1283                }
1284                if (event.getRepeatCount() == 0) {
1285                    dispatcher.startTracking(event, this);
1286                } else if (event.isLongPress() && dispatcher.isTracking(event)) {
1287                    dispatcher.performedLongPress(event);
1288                    mDecor.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
1289                    sendCloseSystemWindows();
1290                    // Broadcast an intent that the Camera button was longpressed
1291                    Intent intent = new Intent(Intent.ACTION_CAMERA_BUTTON, null);
1292                    intent.putExtra(Intent.EXTRA_KEY_EVENT, event);
1293                    getContext().sendOrderedBroadcast(intent, null);
1294                }
1295                return true;
1296            }
1297
1298            case KeyEvent.KEYCODE_MENU: {
1299                onKeyDownPanel((featureId < 0) ? FEATURE_OPTIONS_PANEL : featureId, event);
1300                return true;
1301            }
1302
1303            case KeyEvent.KEYCODE_BACK: {
1304                if (event.getRepeatCount() > 0) break;
1305                if (featureId < 0) break;
1306                // Currently don't do anything with long press.
1307                dispatcher.startTracking(event, this);
1308                return true;
1309            }
1310
1311            case KeyEvent.KEYCODE_CALL: {
1312                if (getKeyguardManager().inKeyguardRestrictedInputMode()
1313                        || dispatcher == null) {
1314                    break;
1315                }
1316                if (event.getRepeatCount() == 0) {
1317                    dispatcher.startTracking(event, this);
1318                } else if (event.isLongPress() && dispatcher.isTracking(event)) {
1319                    dispatcher.performedLongPress(event);
1320                    mDecor.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
1321                    // launch the VoiceDialer
1322                    Intent intent = new Intent(Intent.ACTION_VOICE_COMMAND);
1323                    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1324                    try {
1325                        sendCloseSystemWindows();
1326                        getContext().startActivity(intent);
1327                    } catch (ActivityNotFoundException e) {
1328                        startCallActivity();
1329                    }
1330                }
1331                return true;
1332            }
1333
1334            case KeyEvent.KEYCODE_SEARCH: {
1335                if (getKeyguardManager().inKeyguardRestrictedInputMode()
1336                        || dispatcher == null) {
1337                    break;
1338                }
1339                if (event.getRepeatCount() == 0) {
1340                    dispatcher.startTracking(event, this);
1341                } else if (event.isLongPress() && dispatcher.isTracking(event)) {
1342                    Configuration config = getContext().getResources().getConfiguration();
1343                    if (config.keyboard == Configuration.KEYBOARD_NOKEYS
1344                            || config.hardKeyboardHidden
1345                                    == Configuration.HARDKEYBOARDHIDDEN_YES) {
1346                        // launch the search activity
1347                        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
1348                        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1349                        try {
1350                            mDecor.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
1351                            sendCloseSystemWindows();
1352                            getSearchManager().stopSearch();
1353                            getContext().startActivity(intent);
1354                            // Only clear this if we successfully start the
1355                            // activity; otherwise we will allow the normal short
1356                            // press action to be performed.
1357                            dispatcher.performedLongPress(event);
1358                            return true;
1359                        } catch (ActivityNotFoundException e) {
1360                            // Ignore
1361                        }
1362                    }
1363                }
1364                break;
1365            }
1366        }
1367
1368        return false;
1369    }
1370
1371    /**
1372     * @return A handle to the keyguard manager.
1373     */
1374    private KeyguardManager getKeyguardManager() {
1375        if (mKeyguardManager == null) {
1376            mKeyguardManager = (KeyguardManager) getContext().getSystemService(Context.KEYGUARD_SERVICE);
1377        }
1378        return mKeyguardManager;
1379    }
1380
1381    /**
1382     * @return A handle to the search manager.
1383     */
1384    private SearchManager getSearchManager() {
1385        if (mSearchManager == null) {
1386            mSearchManager = (SearchManager) getContext().getSystemService(Context.SEARCH_SERVICE);
1387        }
1388        return mSearchManager;
1389    }
1390
1391    /**
1392     * A key was released and not handled by anything else in the window.
1393     *
1394     * @see #onKeyDown
1395     * @see android.view.KeyEvent
1396     */
1397    protected boolean onKeyUp(int featureId, int keyCode, KeyEvent event) {
1398        final KeyEvent.DispatcherState dispatcher =
1399                mDecor != null ? mDecor.getKeyDispatcherState() : null;
1400        if (dispatcher != null) {
1401            dispatcher.handleUpEvent(event);
1402        }
1403        //Log.i(TAG, "Key up: repeat=" + event.getRepeatCount()
1404        //        + " flags=0x" + Integer.toHexString(event.getFlags()));
1405
1406        switch (keyCode) {
1407            case KeyEvent.KEYCODE_VOLUME_UP:
1408            case KeyEvent.KEYCODE_VOLUME_DOWN: {
1409                if (!event.isCanceled()) {
1410                    AudioManager audioManager = (AudioManager) getContext().getSystemService(
1411                            Context.AUDIO_SERVICE);
1412                    if (audioManager != null) {
1413                        /*
1414                         * Play a sound. This is done on key up since we don't want the
1415                         * sound to play when a user holds down volume down to mute.
1416                         */
1417                        audioManager.adjustSuggestedStreamVolume(
1418                                AudioManager.ADJUST_SAME,
1419                                mVolumeControlStreamType,
1420                                AudioManager.FLAG_PLAY_SOUND);
1421                        mVolumeKeyUpTime = SystemClock.uptimeMillis();
1422                    }
1423                }
1424                return true;
1425            }
1426
1427            case KeyEvent.KEYCODE_MENU: {
1428                onKeyUpPanel(featureId < 0 ? FEATURE_OPTIONS_PANEL : featureId,
1429                        event);
1430                return true;
1431            }
1432
1433            case KeyEvent.KEYCODE_BACK: {
1434                if (featureId < 0) break;
1435                if (event.isTracking() && !event.isCanceled()) {
1436                    if (featureId == FEATURE_OPTIONS_PANEL) {
1437                        PanelFeatureState st = getPanelState(featureId, false);
1438                        if (st != null && st.isInExpandedMode) {
1439                            // If the user is in an expanded menu and hits back, it
1440                            // should go back to the icon menu
1441                            reopenMenu(true);
1442                            return true;
1443                        }
1444                    }
1445                    closePanel(featureId);
1446                    return true;
1447                }
1448                break;
1449            }
1450
1451            case KeyEvent.KEYCODE_HEADSETHOOK:
1452            case KeyEvent.KEYCODE_MUTE:
1453            case KeyEvent.KEYCODE_MEDIA_PLAY:
1454            case KeyEvent.KEYCODE_MEDIA_PAUSE:
1455            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
1456            case KeyEvent.KEYCODE_MEDIA_STOP:
1457            case KeyEvent.KEYCODE_MEDIA_NEXT:
1458            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
1459            case KeyEvent.KEYCODE_MEDIA_REWIND:
1460            case KeyEvent.KEYCODE_MEDIA_RECORD:
1461            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: {
1462                Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON, null);
1463                intent.putExtra(Intent.EXTRA_KEY_EVENT, event);
1464                getContext().sendOrderedBroadcast(intent, null);
1465                return true;
1466            }
1467
1468            case KeyEvent.KEYCODE_CAMERA: {
1469                if (getKeyguardManager().inKeyguardRestrictedInputMode()) {
1470                    break;
1471                }
1472                if (event.isTracking() && !event.isCanceled()) {
1473                    // Add short press behavior here if desired
1474                }
1475                return true;
1476            }
1477
1478            case KeyEvent.KEYCODE_CALL: {
1479                if (getKeyguardManager().inKeyguardRestrictedInputMode()) {
1480                    break;
1481                }
1482                if (event.isTracking() && !event.isCanceled()) {
1483                    startCallActivity();
1484                }
1485                return true;
1486            }
1487
1488            case KeyEvent.KEYCODE_SEARCH: {
1489                /*
1490                 * Do this in onKeyUp since the Search key is also used for
1491                 * chording quick launch shortcuts.
1492                 */
1493                if (getKeyguardManager().inKeyguardRestrictedInputMode()) {
1494                    break;
1495                }
1496                if (event.isTracking() && !event.isCanceled()) {
1497                    launchDefaultSearch();
1498                }
1499                return true;
1500            }
1501        }
1502
1503        return false;
1504    }
1505
1506    private void startCallActivity() {
1507        sendCloseSystemWindows();
1508        Intent intent = new Intent(Intent.ACTION_CALL_BUTTON);
1509        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1510        try {
1511            getContext().startActivity(intent);
1512        } catch (ActivityNotFoundException e) {
1513            Log.w(TAG, "No activity found for android.intent.action.CALL_BUTTON.");
1514        }
1515    }
1516
1517    @Override
1518    protected void onActive() {
1519    }
1520
1521    @Override
1522    public final View getDecorView() {
1523        if (mDecor == null) {
1524            installDecor();
1525        }
1526        return mDecor;
1527    }
1528
1529    @Override
1530    public final View peekDecorView() {
1531        return mDecor;
1532    }
1533
1534    static private final String FOCUSED_ID_TAG = "android:focusedViewId";
1535    static private final String VIEWS_TAG = "android:views";
1536    static private final String PANELS_TAG = "android:Panels";
1537    static private final String ACTION_BAR_TAG = "android:ActionBar";
1538
1539    /** {@inheritDoc} */
1540    @Override
1541    public Bundle saveHierarchyState() {
1542        Bundle outState = new Bundle();
1543        if (mContentParent == null) {
1544            return outState;
1545        }
1546
1547        SparseArray<Parcelable> states = new SparseArray<Parcelable>();
1548        mContentParent.saveHierarchyState(states);
1549        outState.putSparseParcelableArray(VIEWS_TAG, states);
1550
1551        // save the focused view id
1552        View focusedView = mContentParent.findFocus();
1553        if (focusedView != null) {
1554            if (focusedView.getId() != View.NO_ID) {
1555                outState.putInt(FOCUSED_ID_TAG, focusedView.getId());
1556            } else {
1557                if (Config.LOGD) {
1558                    Log.d(TAG, "couldn't save which view has focus because the focused view "
1559                            + focusedView + " has no id.");
1560                }
1561            }
1562        }
1563
1564        // save the panels
1565        SparseArray<Parcelable> panelStates = new SparseArray<Parcelable>();
1566        savePanelState(panelStates);
1567        if (panelStates.size() > 0) {
1568            outState.putSparseParcelableArray(PANELS_TAG, panelStates);
1569        }
1570
1571        if (mActionBar != null) {
1572            outState.putBoolean(ACTION_BAR_TAG, mActionBar.isOverflowMenuShowing());
1573        }
1574
1575        return outState;
1576    }
1577
1578    /** {@inheritDoc} */
1579    @Override
1580    public void restoreHierarchyState(Bundle savedInstanceState) {
1581        if (mContentParent == null) {
1582            return;
1583        }
1584
1585        SparseArray<Parcelable> savedStates
1586                = savedInstanceState.getSparseParcelableArray(VIEWS_TAG);
1587        if (savedStates != null) {
1588            mContentParent.restoreHierarchyState(savedStates);
1589        }
1590
1591        // restore the focused view
1592        int focusedViewId = savedInstanceState.getInt(FOCUSED_ID_TAG, View.NO_ID);
1593        if (focusedViewId != View.NO_ID) {
1594            View needsFocus = mContentParent.findViewById(focusedViewId);
1595            if (needsFocus != null) {
1596                needsFocus.requestFocus();
1597            } else {
1598                Log.w(TAG,
1599                        "Previously focused view reported id " + focusedViewId
1600                                + " during save, but can't be found during restore.");
1601            }
1602        }
1603
1604        // restore the panels
1605        SparseArray<Parcelable> panelStates = savedInstanceState.getSparseParcelableArray(PANELS_TAG);
1606        if (panelStates != null) {
1607            restorePanelState(panelStates);
1608        }
1609
1610        if (mActionBar != null && savedInstanceState.getBoolean(ACTION_BAR_TAG)) {
1611            mActionBar.postShowOverflowMenu();
1612        }
1613    }
1614
1615    /**
1616     * Invoked when the panels should freeze their state.
1617     *
1618     * @param icicles Save state into this. This is usually indexed by the
1619     *            featureId. This will be given to {@link #restorePanelState} in the
1620     *            future.
1621     */
1622    private void savePanelState(SparseArray<Parcelable> icicles) {
1623        PanelFeatureState[] panels = mPanels;
1624        if (panels == null) {
1625            return;
1626        }
1627
1628        for (int curFeatureId = panels.length - 1; curFeatureId >= 0; curFeatureId--) {
1629            if (panels[curFeatureId] != null) {
1630                icicles.put(curFeatureId, panels[curFeatureId].onSaveInstanceState());
1631            }
1632        }
1633    }
1634
1635    /**
1636     * Invoked when the panels should thaw their state from a previously frozen state.
1637     *
1638     * @param icicles The state saved by {@link #savePanelState} that needs to be thawed.
1639     */
1640    private void restorePanelState(SparseArray<Parcelable> icicles) {
1641        PanelFeatureState st;
1642        for (int curFeatureId = icicles.size() - 1; curFeatureId >= 0; curFeatureId--) {
1643            st = getPanelState(curFeatureId, false /* required */);
1644            if (st == null) {
1645                // The panel must not have been required, and is currently not around, skip it
1646                continue;
1647            }
1648
1649            st.onRestoreInstanceState(icicles.get(curFeatureId));
1650        }
1651
1652        /*
1653         * Implementation note: call openPanelsAfterRestore later to actually open the
1654         * restored panels.
1655         */
1656    }
1657
1658    /**
1659     * Opens the panels that have had their state restored. This should be
1660     * called sometime after {@link #restorePanelState} when it is safe to add
1661     * to the window manager.
1662     */
1663    private void openPanelsAfterRestore() {
1664        PanelFeatureState[] panels = mPanels;
1665
1666        if (panels == null) {
1667            return;
1668        }
1669
1670        PanelFeatureState st;
1671        for (int i = panels.length - 1; i >= 0; i--) {
1672            st = panels[i];
1673            // We restore the panel if it was last open; we skip it if it
1674            // now is open, to avoid a race condition if the user immediately
1675            // opens it when we are resuming.
1676            if ((st != null) && !st.isOpen && st.wasLastOpen) {
1677                st.isInExpandedMode = st.wasLastExpanded;
1678                openPanel(st, null);
1679            }
1680        }
1681    }
1682
1683    private final class DecorView extends FrameLayout implements RootViewSurfaceTaker {
1684        /* package */int mDefaultOpacity = PixelFormat.OPAQUE;
1685
1686        /** The feature ID of the panel, or -1 if this is the application's DecorView */
1687        private final int mFeatureId;
1688
1689        private final Rect mDrawingBounds = new Rect();
1690
1691        private final Rect mBackgroundPadding = new Rect();
1692
1693        private final Rect mFramePadding = new Rect();
1694
1695        private final Rect mFrameOffsets = new Rect();
1696
1697        private boolean mChanging;
1698
1699        private Drawable mMenuBackground;
1700        private boolean mWatchingForMenu;
1701        private int mDownY;
1702
1703        private ActionMode mActionMode;
1704        private ActionBarContextView mActionModeView;
1705        private PopupWindow mActionModePopup;
1706
1707        public DecorView(Context context, int featureId) {
1708            super(context);
1709            mFeatureId = featureId;
1710        }
1711
1712        @Override
1713        public boolean dispatchKeyEvent(KeyEvent event) {
1714            final int keyCode = event.getKeyCode();
1715            final int action = event.getAction();
1716            final boolean isDown = action == KeyEvent.ACTION_DOWN;
1717
1718            /*
1719             * If the user hits another key within the play sound delay, then
1720             * cancel the sound
1721             */
1722            if (keyCode != KeyEvent.KEYCODE_VOLUME_DOWN && keyCode != KeyEvent.KEYCODE_VOLUME_UP
1723                    && mVolumeKeyUpTime + VolumePanel.PLAY_SOUND_DELAY
1724                            > SystemClock.uptimeMillis()) {
1725                /*
1726                 * The user has hit another key during the delay (e.g., 300ms)
1727                 * since the last volume key up, so cancel any sounds.
1728                 */
1729                AudioManager audioManager = (AudioManager) getContext().getSystemService(
1730                        Context.AUDIO_SERVICE);
1731                if (audioManager != null) {
1732                    audioManager.adjustSuggestedStreamVolume(AudioManager.ADJUST_SAME,
1733                            mVolumeControlStreamType, AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE);
1734                }
1735            }
1736
1737            if (isDown && (event.getRepeatCount() == 0)) {
1738                // First handle chording of panel key: if a panel key is held
1739                // but not released, try to execute a shortcut in it.
1740                if ((mPanelChordingKey > 0) && (mPanelChordingKey != keyCode)) {
1741                    // Perform the shortcut (mPreparedPanel can be null since
1742                    // global shortcuts (such as search) don't rely on a
1743                    // prepared panel or menu).
1744                    boolean handled = performPanelShortcut(mPreparedPanel, keyCode, event,
1745                            Menu.FLAG_PERFORM_NO_CLOSE);
1746
1747                    if (!handled) {
1748                        /*
1749                         * If not handled, then pass it to the view hierarchy
1750                         * and anyone else that may be interested.
1751                         */
1752                        handled = dispatchKeyShortcutEvent(event);
1753
1754                        if (handled && mPreparedPanel != null) {
1755                            mPreparedPanel.isHandled = true;
1756                        }
1757                    }
1758
1759                    if (handled) {
1760                        return true;
1761                    }
1762                }
1763
1764                // If a panel is open, perform a shortcut on it without the
1765                // chorded panel key
1766                if ((mPreparedPanel != null) && mPreparedPanel.isOpen) {
1767                    if (performPanelShortcut(mPreparedPanel, keyCode, event, 0)) {
1768                        return true;
1769                    }
1770                }
1771            }
1772
1773            // Back cancels action modes first.
1774            if (mActionMode != null && keyCode == KeyEvent.KEYCODE_BACK) {
1775                if (action == KeyEvent.ACTION_UP) {
1776                    mActionMode.finish();
1777                }
1778                return true;
1779            }
1780
1781            final Callback cb = getCallback();
1782            final boolean handled = cb != null && mFeatureId < 0 ? cb.dispatchKeyEvent(event)
1783                    : super.dispatchKeyEvent(event);
1784            if (handled) {
1785                return true;
1786            }
1787            return isDown ? PhoneWindow.this.onKeyDown(mFeatureId, event.getKeyCode(), event)
1788                    : PhoneWindow.this.onKeyUp(mFeatureId, event.getKeyCode(), event);
1789        }
1790
1791        @Override
1792        public boolean dispatchTouchEvent(MotionEvent ev) {
1793            final Callback cb = getCallback();
1794            return cb != null && mFeatureId < 0 ? cb.dispatchTouchEvent(ev) : super
1795                    .dispatchTouchEvent(ev);
1796        }
1797
1798        @Override
1799        public boolean dispatchTrackballEvent(MotionEvent ev) {
1800            final Callback cb = getCallback();
1801            return cb != null && mFeatureId < 0 ? cb.dispatchTrackballEvent(ev) : super
1802                    .dispatchTrackballEvent(ev);
1803        }
1804
1805        public boolean superDispatchKeyEvent(KeyEvent event) {
1806            return super.dispatchKeyEvent(event);
1807        }
1808
1809        public boolean superDispatchTouchEvent(MotionEvent event) {
1810            return super.dispatchTouchEvent(event);
1811        }
1812
1813        public boolean superDispatchTrackballEvent(MotionEvent event) {
1814            return super.dispatchTrackballEvent(event);
1815        }
1816
1817        @Override
1818        public boolean onTouchEvent(MotionEvent event) {
1819            return onInterceptTouchEvent(event);
1820        }
1821
1822        private boolean isOutOfBounds(int x, int y) {
1823            return x < -5 || y < -5 || x > (getWidth() + 5)
1824                    || y > (getHeight() + 5);
1825        }
1826
1827        @Override
1828        public boolean onInterceptTouchEvent(MotionEvent event) {
1829            int action = event.getAction();
1830            if (mFeatureId >= 0) {
1831                if (action == MotionEvent.ACTION_DOWN) {
1832                    int x = (int)event.getX();
1833                    int y = (int)event.getY();
1834                    if (isOutOfBounds(x, y)) {
1835                        closePanel(mFeatureId);
1836                        return true;
1837                    }
1838                }
1839            }
1840
1841            if (!SWEEP_OPEN_MENU) {
1842                return false;
1843            }
1844
1845            if (mFeatureId >= 0) {
1846                if (action == MotionEvent.ACTION_DOWN) {
1847                    Log.i(TAG, "Watchiing!");
1848                    mWatchingForMenu = true;
1849                    mDownY = (int) event.getY();
1850                    return false;
1851                }
1852
1853                if (!mWatchingForMenu) {
1854                    return false;
1855                }
1856
1857                int y = (int)event.getY();
1858                if (action == MotionEvent.ACTION_MOVE) {
1859                    if (y > (mDownY+30)) {
1860                        Log.i(TAG, "Closing!");
1861                        closePanel(mFeatureId);
1862                        mWatchingForMenu = false;
1863                        return true;
1864                    }
1865                } else if (action == MotionEvent.ACTION_UP) {
1866                    mWatchingForMenu = false;
1867                }
1868
1869                return false;
1870            }
1871
1872            //Log.i(TAG, "Intercept: action=" + action + " y=" + event.getY()
1873            //        + " (in " + getHeight() + ")");
1874
1875            if (action == MotionEvent.ACTION_DOWN) {
1876                int y = (int)event.getY();
1877                if (y >= (getHeight()-5) && !hasChildren()) {
1878                    Log.i(TAG, "Watchiing!");
1879                    mWatchingForMenu = true;
1880                }
1881                return false;
1882            }
1883
1884            if (!mWatchingForMenu) {
1885                return false;
1886            }
1887
1888            int y = (int)event.getY();
1889            if (action == MotionEvent.ACTION_MOVE) {
1890                if (y < (getHeight()-30)) {
1891                    Log.i(TAG, "Opening!");
1892                    openPanel(FEATURE_OPTIONS_PANEL, new KeyEvent(
1893                            KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU));
1894                    mWatchingForMenu = false;
1895                    return true;
1896                }
1897            } else if (action == MotionEvent.ACTION_UP) {
1898                mWatchingForMenu = false;
1899            }
1900
1901            return false;
1902        }
1903
1904        @Override
1905        public void sendAccessibilityEvent(int eventType) {
1906            if (!AccessibilityManager.getInstance(mContext).isEnabled()) {
1907                return;
1908            }
1909
1910            // if we are showing a feature that should be announced and one child
1911            // make this child the event source since this is the feature itself
1912            // otherwise the callback will take over and announce its client
1913            if ((mFeatureId == FEATURE_OPTIONS_PANEL ||
1914                    mFeatureId == FEATURE_CONTEXT_MENU ||
1915                    mFeatureId == FEATURE_PROGRESS ||
1916                    mFeatureId == FEATURE_INDETERMINATE_PROGRESS)
1917                    && getChildCount() == 1) {
1918                getChildAt(0).sendAccessibilityEvent(eventType);
1919            } else {
1920                super.sendAccessibilityEvent(eventType);
1921            }
1922        }
1923
1924        @Override
1925        public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
1926            final Callback cb = getCallback();
1927            if (cb != null) {
1928                if (cb.dispatchPopulateAccessibilityEvent(event)) {
1929                    return true;
1930                }
1931            }
1932            return super.dispatchPopulateAccessibilityEvent(event);
1933        }
1934
1935        @Override
1936        protected boolean setFrame(int l, int t, int r, int b) {
1937            boolean changed = super.setFrame(l, t, r, b);
1938            if (changed) {
1939                final Rect drawingBounds = mDrawingBounds;
1940                getDrawingRect(drawingBounds);
1941
1942                Drawable fg = getForeground();
1943                if (fg != null) {
1944                    final Rect frameOffsets = mFrameOffsets;
1945                    drawingBounds.left += frameOffsets.left;
1946                    drawingBounds.top += frameOffsets.top;
1947                    drawingBounds.right -= frameOffsets.right;
1948                    drawingBounds.bottom -= frameOffsets.bottom;
1949                    fg.setBounds(drawingBounds);
1950                    final Rect framePadding = mFramePadding;
1951                    drawingBounds.left += framePadding.left - frameOffsets.left;
1952                    drawingBounds.top += framePadding.top - frameOffsets.top;
1953                    drawingBounds.right -= framePadding.right - frameOffsets.right;
1954                    drawingBounds.bottom -= framePadding.bottom - frameOffsets.bottom;
1955                }
1956
1957                Drawable bg = getBackground();
1958                if (bg != null) {
1959                    bg.setBounds(drawingBounds);
1960                }
1961
1962                if (SWEEP_OPEN_MENU) {
1963                    if (mMenuBackground == null && mFeatureId < 0
1964                            && getAttributes().height
1965                            == WindowManager.LayoutParams.MATCH_PARENT) {
1966                        mMenuBackground = getContext().getResources().getDrawable(
1967                                com.android.internal.R.drawable.menu_background);
1968                    }
1969                    if (mMenuBackground != null) {
1970                        mMenuBackground.setBounds(drawingBounds.left,
1971                                drawingBounds.bottom-6, drawingBounds.right,
1972                                drawingBounds.bottom+20);
1973                    }
1974                }
1975            }
1976            return changed;
1977        }
1978
1979        @Override
1980        public void draw(Canvas canvas) {
1981            super.draw(canvas);
1982
1983            if (mMenuBackground != null) {
1984                mMenuBackground.draw(canvas);
1985            }
1986        }
1987
1988
1989        @Override
1990        public boolean showContextMenuForChild(View originalView) {
1991            // Reuse the context menu builder
1992            if (mContextMenu == null) {
1993                mContextMenu = new ContextMenuBuilder(getContext());
1994                mContextMenu.setCallback(mContextMenuCallback);
1995            } else {
1996                mContextMenu.clearAll();
1997            }
1998
1999            mContextMenuHelper = mContextMenu.show(originalView, originalView.getWindowToken());
2000            return mContextMenuHelper != null;
2001        }
2002
2003        @Override
2004        public ActionMode startActionModeForChild(View originalView,
2005                ActionMode.Callback callback) {
2006            // originalView can be used here to be sure that we don't obscure
2007            // relevant content with the context mode UI.
2008            return startActionMode(callback);
2009        }
2010
2011        @Override
2012        public ActionMode startActionMode(ActionMode.Callback callback) {
2013            if (mActionMode != null) {
2014                mActionMode.finish();
2015            }
2016
2017            final ActionMode.Callback wrappedCallback = new ActionModeCallbackWrapper(callback);
2018            ActionMode mode = getCallback().onStartActionMode(wrappedCallback);
2019            if (mode != null) {
2020                mActionMode = mode;
2021            } else {
2022                if (mActionModeView == null) {
2023                    if (hasFeature(FEATURE_ACTION_MODE_OVERLAY)) {
2024                        mActionModeView = new ActionBarContextView(mContext);
2025                        mActionModePopup = new PopupWindow(mContext);
2026                        mActionModePopup.setLayoutInScreenEnabled(true);
2027                        mActionModePopup.setClippingEnabled(false);
2028                        mActionModePopup.setContentView(mActionModeView);
2029                        mActionModePopup.setWidth(MATCH_PARENT);
2030
2031                        TypedValue heightValue = new TypedValue();
2032                        mContext.getTheme().resolveAttribute(
2033                                com.android.internal.R.attr.actionBarSize, heightValue, false);
2034                        final int height = TypedValue.complexToDimensionPixelSize(heightValue.data,
2035                                mContext.getResources().getDisplayMetrics());
2036                        mActionModePopup.setHeight(height);
2037                    } else {
2038                        ViewStub stub = (ViewStub) findViewById(
2039                                com.android.internal.R.id.action_mode_bar_stub);
2040                        if (stub != null) {
2041                            mActionModeView = (ActionBarContextView) stub.inflate();
2042                        }
2043                    }
2044                }
2045
2046                if (mActionModeView != null) {
2047                    mode = new StandaloneActionMode(getContext(), mActionModeView, wrappedCallback);
2048                    if (callback.onCreateActionMode(mode, mode.getMenu())) {
2049                        mode.invalidate();
2050                        mActionModeView.initForMode(mode);
2051                        mActionModeView.setVisibility(View.VISIBLE);
2052                        mActionMode = mode;
2053                        if (mActionModePopup != null) {
2054                            mActionModePopup.showAtLocation(this,
2055                                    Gravity.TOP | Gravity.FILL_HORIZONTAL, 0, 0);
2056                        }
2057                    } else {
2058                        mActionMode = null;
2059                    }
2060                }
2061            }
2062            return mActionMode;
2063        }
2064
2065        public void startChanging() {
2066            mChanging = true;
2067        }
2068
2069        public void finishChanging() {
2070            mChanging = false;
2071            drawableChanged();
2072        }
2073
2074        public void setWindowBackground(Drawable drawable) {
2075            if (getBackground() != drawable) {
2076                setBackgroundDrawable(drawable);
2077                if (drawable != null) {
2078                    drawable.getPadding(mBackgroundPadding);
2079                } else {
2080                    mBackgroundPadding.setEmpty();
2081                }
2082                drawableChanged();
2083            }
2084        }
2085
2086        public void setWindowFrame(Drawable drawable) {
2087            if (getForeground() != drawable) {
2088                setForeground(drawable);
2089                if (drawable != null) {
2090                    drawable.getPadding(mFramePadding);
2091                } else {
2092                    mFramePadding.setEmpty();
2093                }
2094                drawableChanged();
2095            }
2096        }
2097
2098        @Override
2099        protected boolean fitSystemWindows(Rect insets) {
2100            mFrameOffsets.set(insets);
2101            if (getForeground() != null) {
2102                drawableChanged();
2103            }
2104            return super.fitSystemWindows(insets);
2105        }
2106
2107        private void drawableChanged() {
2108            if (mChanging) {
2109                return;
2110            }
2111
2112            setPadding(mFramePadding.left + mBackgroundPadding.left, mFramePadding.top
2113                    + mBackgroundPadding.top, mFramePadding.right + mBackgroundPadding.right,
2114                    mFramePadding.bottom + mBackgroundPadding.bottom);
2115            requestLayout();
2116            invalidate();
2117
2118            int opacity = PixelFormat.OPAQUE;
2119
2120            // Note: if there is no background, we will assume opaque. The
2121            // common case seems to be that an application sets there to be
2122            // no background so it can draw everything itself. For that,
2123            // we would like to assume OPAQUE and let the app force it to
2124            // the slower TRANSLUCENT mode if that is really what it wants.
2125            Drawable bg = getBackground();
2126            Drawable fg = getForeground();
2127            if (bg != null) {
2128                if (fg == null) {
2129                    opacity = bg.getOpacity();
2130                } else if (mFramePadding.left <= 0 && mFramePadding.top <= 0
2131                        && mFramePadding.right <= 0 && mFramePadding.bottom <= 0) {
2132                    // If the frame padding is zero, then we can be opaque
2133                    // if either the frame -or- the background is opaque.
2134                    int fop = fg.getOpacity();
2135                    int bop = bg.getOpacity();
2136                    if (Config.LOGV)
2137                        Log.v(TAG, "Background opacity: " + bop + ", Frame opacity: " + fop);
2138                    if (fop == PixelFormat.OPAQUE || bop == PixelFormat.OPAQUE) {
2139                        opacity = PixelFormat.OPAQUE;
2140                    } else if (fop == PixelFormat.UNKNOWN) {
2141                        opacity = bop;
2142                    } else if (bop == PixelFormat.UNKNOWN) {
2143                        opacity = fop;
2144                    } else {
2145                        opacity = Drawable.resolveOpacity(fop, bop);
2146                    }
2147                } else {
2148                    // For now we have to assume translucent if there is a
2149                    // frame with padding... there is no way to tell if the
2150                    // frame and background together will draw all pixels.
2151                    if (Config.LOGV)
2152                        Log.v(TAG, "Padding: " + mFramePadding);
2153                    opacity = PixelFormat.TRANSLUCENT;
2154                }
2155            }
2156
2157            if (Config.LOGV)
2158                Log.v(TAG, "Background: " + bg + ", Frame: " + fg);
2159            if (Config.LOGV)
2160                Log.v(TAG, "Selected default opacity: " + opacity);
2161
2162            mDefaultOpacity = opacity;
2163            if (mFeatureId < 0) {
2164                setDefaultWindowFormat(opacity);
2165            }
2166        }
2167
2168        @Override
2169        public void onWindowFocusChanged(boolean hasWindowFocus) {
2170            super.onWindowFocusChanged(hasWindowFocus);
2171
2172            mPanelMayLongPress = false;
2173
2174            // If the user is chording a menu shortcut, release the chord since
2175            // this window lost focus
2176            if (!hasWindowFocus && mPanelChordingKey != 0) {
2177                closePanel(FEATURE_OPTIONS_PANEL);
2178            }
2179
2180            final Callback cb = getCallback();
2181            if (cb != null && mFeatureId < 0) {
2182                cb.onWindowFocusChanged(hasWindowFocus);
2183            }
2184        }
2185
2186        @Override
2187        protected void onAttachedToWindow() {
2188            super.onAttachedToWindow();
2189
2190            final Callback cb = getCallback();
2191            if (cb != null && mFeatureId < 0) {
2192                cb.onAttachedToWindow();
2193            }
2194
2195            if (mFeatureId == -1) {
2196                /*
2197                 * The main window has been attached, try to restore any panels
2198                 * that may have been open before. This is called in cases where
2199                 * an activity is being killed for configuration change and the
2200                 * menu was open. When the activity is recreated, the menu
2201                 * should be shown again.
2202                 */
2203                openPanelsAfterRestore();
2204            }
2205        }
2206
2207        @Override
2208        protected void onDetachedFromWindow() {
2209            super.onDetachedFromWindow();
2210
2211            final Callback cb = getCallback();
2212            if (cb != null && mFeatureId < 0) {
2213                cb.onDetachedFromWindow();
2214            }
2215        }
2216
2217        @Override
2218        public void onCloseSystemDialogs(String reason) {
2219            if (mFeatureId >= 0) {
2220                closeAllPanels();
2221            }
2222        }
2223
2224        public android.view.SurfaceHolder.Callback2 willYouTakeTheSurface() {
2225            return mFeatureId < 0 ? mTakeSurfaceCallback : null;
2226        }
2227
2228        public InputQueue.Callback willYouTakeTheInputQueue() {
2229            return mFeatureId < 0 ? mTakeInputQueueCallback : null;
2230        }
2231
2232        public void setSurfaceType(int type) {
2233            PhoneWindow.this.setType(type);
2234        }
2235
2236        public void setSurfaceFormat(int format) {
2237            PhoneWindow.this.setFormat(format);
2238        }
2239
2240        public void setSurfaceKeepScreenOn(boolean keepOn) {
2241            if (keepOn) PhoneWindow.this.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2242            else PhoneWindow.this.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2243        }
2244
2245        /**
2246         * Clears out internal reference when the action mode is destroyed.
2247         */
2248        private class ActionModeCallbackWrapper implements ActionMode.Callback {
2249            private ActionMode.Callback mWrapped;
2250
2251            public ActionModeCallbackWrapper(ActionMode.Callback wrapped) {
2252                mWrapped = wrapped;
2253            }
2254
2255            public boolean onCreateActionMode(ActionMode mode, Menu menu) {
2256                return mWrapped.onCreateActionMode(mode, menu);
2257            }
2258
2259            public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
2260                return mWrapped.onPrepareActionMode(mode, menu);
2261            }
2262
2263            public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
2264                return mWrapped.onActionItemClicked(mode, item);
2265            }
2266
2267            public void onDestroyActionMode(ActionMode mode) {
2268                mWrapped.onDestroyActionMode(mode);
2269                if (mActionModePopup != null) {
2270                    mActionModePopup.dismiss();
2271                } else if (mActionModeView != null) {
2272                    mActionModeView.setVisibility(GONE);
2273                }
2274                if (mActionModeView != null) {
2275                    mActionModeView.removeAllViews();
2276                }
2277                mActionMode = null;
2278            }
2279        }
2280    }
2281
2282    protected DecorView generateDecor() {
2283        return new DecorView(getContext(), -1);
2284    }
2285
2286    protected void setFeatureFromAttrs(int featureId, TypedArray attrs,
2287            int drawableAttr, int alphaAttr) {
2288        Drawable d = attrs.getDrawable(drawableAttr);
2289        if (d != null) {
2290            requestFeature(featureId);
2291            setFeatureDefaultDrawable(featureId, d);
2292        }
2293        if ((getFeatures() & (1 << featureId)) != 0) {
2294            int alpha = attrs.getInt(alphaAttr, -1);
2295            if (alpha >= 0) {
2296                setFeatureDrawableAlpha(featureId, alpha);
2297            }
2298        }
2299    }
2300
2301    protected ViewGroup generateLayout(DecorView decor) {
2302        // Apply data from current theme.
2303
2304        TypedArray a = getWindowStyle();
2305
2306        if (false) {
2307            System.out.println("From style:");
2308            String s = "Attrs:";
2309            for (int i = 0; i < com.android.internal.R.styleable.Window.length; i++) {
2310                s = s + " " + Integer.toHexString(com.android.internal.R.styleable.Window[i]) + "="
2311                        + a.getString(i);
2312            }
2313            System.out.println(s);
2314        }
2315
2316        mIsFloating = a.getBoolean(com.android.internal.R.styleable.Window_windowIsFloating, false);
2317        int flagsToUpdate = (FLAG_LAYOUT_IN_SCREEN|FLAG_LAYOUT_INSET_DECOR)
2318                & (~getForcedWindowFlags());
2319        if (mIsFloating) {
2320            setLayout(WRAP_CONTENT, WRAP_CONTENT);
2321            setFlags(0, flagsToUpdate);
2322        } else {
2323            setFlags(FLAG_LAYOUT_IN_SCREEN|FLAG_LAYOUT_INSET_DECOR, flagsToUpdate);
2324        }
2325
2326        if (a.getBoolean(com.android.internal.R.styleable.Window_windowNoTitle, false)) {
2327            requestFeature(FEATURE_NO_TITLE);
2328        } else if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionBar, false)) {
2329            // Don't allow an action bar if there is no title.
2330            requestFeature(FEATURE_ACTION_BAR);
2331        }
2332
2333        if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionBarOverlay, false)) {
2334            requestFeature(FEATURE_ACTION_BAR_OVERLAY);
2335        }
2336
2337        if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionModeOverlay, false)) {
2338            requestFeature(FEATURE_ACTION_MODE_OVERLAY);
2339        }
2340
2341        if (a.getBoolean(com.android.internal.R.styleable.Window_windowFullscreen, false)) {
2342            setFlags(FLAG_FULLSCREEN, FLAG_FULLSCREEN&(~getForcedWindowFlags()));
2343        }
2344
2345        if (a.getBoolean(com.android.internal.R.styleable.Window_windowShowWallpaper, false)) {
2346            setFlags(FLAG_SHOW_WALLPAPER, FLAG_SHOW_WALLPAPER&(~getForcedWindowFlags()));
2347        }
2348
2349        if (getContext().getApplicationInfo().targetSdkVersion
2350                < android.os.Build.VERSION_CODES.HONEYCOMB) {
2351            addFlags(WindowManager.LayoutParams.FLAG_NEEDS_MENU_KEY);
2352        }
2353
2354        WindowManager.LayoutParams params = getAttributes();
2355
2356        if (!hasSoftInputMode()) {
2357            params.softInputMode = a.getInt(
2358                    com.android.internal.R.styleable.Window_windowSoftInputMode,
2359                    params.softInputMode);
2360        }
2361
2362        if (a.getBoolean(com.android.internal.R.styleable.Window_backgroundDimEnabled,
2363                mIsFloating)) {
2364            /* All dialogs should have the window dimmed */
2365            if ((getForcedWindowFlags()&WindowManager.LayoutParams.FLAG_DIM_BEHIND) == 0) {
2366                params.flags |= WindowManager.LayoutParams.FLAG_DIM_BEHIND;
2367            }
2368            params.dimAmount = a.getFloat(
2369                    android.R.styleable.Window_backgroundDimAmount, 0.5f);
2370        }
2371
2372        if (params.windowAnimations == 0) {
2373            params.windowAnimations = a.getResourceId(
2374                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2375        }
2376
2377        // The rest are only done if this window is not embedded; otherwise,
2378        // the values are inherited from our container.
2379        if (getContainer() == null) {
2380            if (mBackgroundDrawable == null) {
2381                if (mBackgroundResource == 0) {
2382                    mBackgroundResource = a.getResourceId(
2383                            com.android.internal.R.styleable.Window_windowBackground, 0);
2384                }
2385                if (mFrameResource == 0) {
2386                    mFrameResource = a.getResourceId(com.android.internal.R.styleable.Window_windowFrame, 0);
2387                }
2388                if (false) {
2389                    System.out.println("Background: "
2390                            + Integer.toHexString(mBackgroundResource) + " Frame: "
2391                            + Integer.toHexString(mFrameResource));
2392                }
2393            }
2394            mTextColor = a.getColor(com.android.internal.R.styleable.Window_textColor, 0xFF000000);
2395        }
2396
2397        // Inflate the window decor.
2398
2399        int layoutResource;
2400        int features = getLocalFeatures();
2401        // System.out.println("Features: 0x" + Integer.toHexString(features));
2402        if ((features & ((1 << FEATURE_LEFT_ICON) | (1 << FEATURE_RIGHT_ICON))) != 0) {
2403            if (mIsFloating) {
2404                layoutResource = com.android.internal.R.layout.dialog_title_icons;
2405            } else {
2406                layoutResource = com.android.internal.R.layout.screen_title_icons;
2407            }
2408            // XXX Remove this once action bar supports these features.
2409            removeFeature(FEATURE_ACTION_BAR);
2410            // System.out.println("Title Icons!");
2411        } else if ((features & ((1 << FEATURE_PROGRESS) | (1 << FEATURE_INDETERMINATE_PROGRESS))) != 0) {
2412            // Special case for a window with only a progress bar (and title).
2413            // XXX Need to have a no-title version of embedded windows.
2414            layoutResource = com.android.internal.R.layout.screen_progress;
2415            // XXX Remove this once action bar supports these features.
2416            removeFeature(FEATURE_ACTION_BAR);
2417            // System.out.println("Progress!");
2418        } else if ((features & (1 << FEATURE_CUSTOM_TITLE)) != 0) {
2419            // Special case for a window with a custom title.
2420            // If the window is floating, we need a dialog layout
2421            if (mIsFloating) {
2422                layoutResource = com.android.internal.R.layout.dialog_custom_title;
2423            } else {
2424                layoutResource = com.android.internal.R.layout.screen_custom_title;
2425            }
2426            // XXX Remove this once action bar supports these features.
2427            removeFeature(FEATURE_ACTION_BAR);
2428        } else if ((features & (1 << FEATURE_NO_TITLE)) == 0) {
2429            // If no other features and not embedded, only need a title.
2430            // If the window is floating, we need a dialog layout
2431            if (mIsFloating) {
2432                layoutResource = com.android.internal.R.layout.dialog_title;
2433            } else if ((features & (1 << FEATURE_ACTION_BAR)) != 0) {
2434                if ((features & (1 << FEATURE_ACTION_BAR_OVERLAY)) != 0) {
2435                    layoutResource = com.android.internal.R.layout.screen_action_bar_overlay;
2436                } else {
2437                    layoutResource = com.android.internal.R.layout.screen_action_bar;
2438                }
2439            } else {
2440                layoutResource = com.android.internal.R.layout.screen_title;
2441            }
2442            // System.out.println("Title!");
2443        } else {
2444            // Embedded, so no decoration is needed.
2445            layoutResource = com.android.internal.R.layout.screen_simple;
2446            // System.out.println("Simple!");
2447        }
2448
2449        mDecor.startChanging();
2450
2451        View in = mLayoutInflater.inflate(layoutResource, null);
2452        decor.addView(in, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
2453
2454        ViewGroup contentParent = (ViewGroup)findViewById(ID_ANDROID_CONTENT);
2455        if (contentParent == null) {
2456            throw new RuntimeException("Window couldn't find content container view");
2457        }
2458
2459        if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
2460            ProgressBar progress = getCircularProgressBar(false);
2461            if (progress != null) {
2462                progress.setIndeterminate(true);
2463            }
2464        }
2465
2466        // Remaining setup -- of background and title -- that only applies
2467        // to top-level windows.
2468        if (getContainer() == null) {
2469            Drawable drawable = mBackgroundDrawable;
2470            if (mBackgroundResource != 0) {
2471                drawable = getContext().getResources().getDrawable(mBackgroundResource);
2472            }
2473            mDecor.setWindowBackground(drawable);
2474            drawable = null;
2475            if (mFrameResource != 0) {
2476                drawable = getContext().getResources().getDrawable(mFrameResource);
2477            }
2478            mDecor.setWindowFrame(drawable);
2479
2480            // System.out.println("Text=" + Integer.toHexString(mTextColor) +
2481            // " Sel=" + Integer.toHexString(mTextSelectedColor) +
2482            // " Title=" + Integer.toHexString(mTitleColor));
2483
2484            if (mTitleColor == 0) {
2485                mTitleColor = mTextColor;
2486            }
2487
2488            if (mTitle != null) {
2489                setTitle(mTitle);
2490            }
2491            setTitleColor(mTitleColor);
2492        }
2493
2494        mDecor.finishChanging();
2495
2496        return contentParent;
2497    }
2498
2499    private void installDecor() {
2500        if (mDecor == null) {
2501            mDecor = generateDecor();
2502            mDecor.setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
2503            mDecor.setIsRootNamespace(true);
2504        }
2505        if (mContentParent == null) {
2506            mContentParent = generateLayout(mDecor);
2507
2508            mTitleView = (TextView)findViewById(com.android.internal.R.id.title);
2509            if (mTitleView != null) {
2510                if ((getLocalFeatures() & (1 << FEATURE_NO_TITLE)) != 0) {
2511                    View titleContainer = findViewById(com.android.internal.R.id.title_container);
2512                    if (titleContainer != null) {
2513                        titleContainer.setVisibility(View.GONE);
2514                    } else {
2515                        mTitleView.setVisibility(View.GONE);
2516                    }
2517                    if (mContentParent instanceof FrameLayout) {
2518                        ((FrameLayout)mContentParent).setForeground(null);
2519                    }
2520                } else {
2521                    mTitleView.setText(mTitle);
2522                }
2523            } else {
2524                mActionBar = (ActionBarView) findViewById(com.android.internal.R.id.action_bar);
2525                if (mActionBar != null) {
2526                    if (mActionBar.getTitle() == null) {
2527                        mActionBar.setWindowTitle(mTitle);
2528                    }
2529                    // Post the panel invalidate for later; avoid application onCreateOptionsMenu
2530                    // being called in the middle of onCreate or similar.
2531                    mDecor.post(new Runnable() {
2532                        public void run() {
2533                            if (!isDestroyed()) {
2534                                invalidatePanelMenu(FEATURE_ACTION_BAR);
2535                            }
2536                        }
2537                    });
2538                }
2539            }
2540        }
2541    }
2542
2543    private Drawable loadImageURI(Uri uri) {
2544        try {
2545            return Drawable.createFromStream(
2546                    getContext().getContentResolver().openInputStream(uri), null);
2547        } catch (Exception e) {
2548            Log.w(TAG, "Unable to open content: " + uri);
2549        }
2550        return null;
2551    }
2552
2553    private DrawableFeatureState getDrawableState(int featureId, boolean required) {
2554        if ((getFeatures() & (1 << featureId)) == 0) {
2555            if (!required) {
2556                return null;
2557            }
2558            throw new RuntimeException("The feature has not been requested");
2559        }
2560
2561        DrawableFeatureState[] ar;
2562        if ((ar = mDrawables) == null || ar.length <= featureId) {
2563            DrawableFeatureState[] nar = new DrawableFeatureState[featureId + 1];
2564            if (ar != null) {
2565                System.arraycopy(ar, 0, nar, 0, ar.length);
2566            }
2567            mDrawables = ar = nar;
2568        }
2569
2570        DrawableFeatureState st = ar[featureId];
2571        if (st == null) {
2572            ar[featureId] = st = new DrawableFeatureState(featureId);
2573        }
2574        return st;
2575    }
2576
2577    /**
2578     * Gets a panel's state based on its feature ID.
2579     *
2580     * @param featureId The feature ID of the panel.
2581     * @param required Whether the panel is required (if it is required and it
2582     *            isn't in our features, this throws an exception).
2583     * @return The panel state.
2584     */
2585    private PanelFeatureState getPanelState(int featureId, boolean required) {
2586        return getPanelState(featureId, required, null);
2587    }
2588
2589    /**
2590     * Gets a panel's state based on its feature ID.
2591     *
2592     * @param featureId The feature ID of the panel.
2593     * @param required Whether the panel is required (if it is required and it
2594     *            isn't in our features, this throws an exception).
2595     * @param convertPanelState Optional: If the panel state does not exist, use
2596     *            this as the panel state.
2597     * @return The panel state.
2598     */
2599    private PanelFeatureState getPanelState(int featureId, boolean required,
2600            PanelFeatureState convertPanelState) {
2601        if ((getFeatures() & (1 << featureId)) == 0) {
2602            if (!required) {
2603                return null;
2604            }
2605            throw new RuntimeException("The feature has not been requested");
2606        }
2607
2608        PanelFeatureState[] ar;
2609        if ((ar = mPanels) == null || ar.length <= featureId) {
2610            PanelFeatureState[] nar = new PanelFeatureState[featureId + 1];
2611            if (ar != null) {
2612                System.arraycopy(ar, 0, nar, 0, ar.length);
2613            }
2614            mPanels = ar = nar;
2615        }
2616
2617        PanelFeatureState st = ar[featureId];
2618        if (st == null) {
2619            ar[featureId] = st = (convertPanelState != null)
2620                    ? convertPanelState
2621                    : new PanelFeatureState(featureId);
2622        }
2623        return st;
2624    }
2625
2626    @Override
2627    public final void setChildDrawable(int featureId, Drawable drawable) {
2628        DrawableFeatureState st = getDrawableState(featureId, true);
2629        st.child = drawable;
2630        updateDrawable(featureId, st, false);
2631    }
2632
2633    @Override
2634    public final void setChildInt(int featureId, int value) {
2635        updateInt(featureId, value, false);
2636    }
2637
2638    @Override
2639    public boolean isShortcutKey(int keyCode, KeyEvent event) {
2640        PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
2641        return st.menu != null && st.menu.isShortcutKey(keyCode, event);
2642    }
2643
2644    private void updateDrawable(int featureId, DrawableFeatureState st, boolean fromResume) {
2645        // Do nothing if the decor is not yet installed... an update will
2646        // need to be forced when we eventually become active.
2647        if (mContentParent == null) {
2648            return;
2649        }
2650
2651        final int featureMask = 1 << featureId;
2652
2653        if ((getFeatures() & featureMask) == 0 && !fromResume) {
2654            return;
2655        }
2656
2657        Drawable drawable = null;
2658        if (st != null) {
2659            drawable = st.child;
2660            if (drawable == null)
2661                drawable = st.local;
2662            if (drawable == null)
2663                drawable = st.def;
2664        }
2665        if ((getLocalFeatures() & featureMask) == 0) {
2666            if (getContainer() != null) {
2667                if (isActive() || fromResume) {
2668                    getContainer().setChildDrawable(featureId, drawable);
2669                }
2670            }
2671        } else if (st != null && (st.cur != drawable || st.curAlpha != st.alpha)) {
2672            // System.out.println("Drawable changed: old=" + st.cur
2673            // + ", new=" + drawable);
2674            st.cur = drawable;
2675            st.curAlpha = st.alpha;
2676            onDrawableChanged(featureId, drawable, st.alpha);
2677        }
2678    }
2679
2680    private void updateInt(int featureId, int value, boolean fromResume) {
2681
2682        // Do nothing if the decor is not yet installed... an update will
2683        // need to be forced when we eventually become active.
2684        if (mContentParent == null) {
2685            return;
2686        }
2687
2688        final int featureMask = 1 << featureId;
2689
2690        if ((getFeatures() & featureMask) == 0 && !fromResume) {
2691            return;
2692        }
2693
2694        if ((getLocalFeatures() & featureMask) == 0) {
2695            if (getContainer() != null) {
2696                getContainer().setChildInt(featureId, value);
2697            }
2698        } else {
2699            onIntChanged(featureId, value);
2700        }
2701    }
2702
2703    private ImageView getLeftIconView() {
2704        if (mLeftIconView != null) {
2705            return mLeftIconView;
2706        }
2707        if (mContentParent == null) {
2708            installDecor();
2709        }
2710        return (mLeftIconView = (ImageView)findViewById(com.android.internal.R.id.left_icon));
2711    }
2712
2713    private ProgressBar getCircularProgressBar(boolean shouldInstallDecor) {
2714        if (mCircularProgressBar != null) {
2715            return mCircularProgressBar;
2716        }
2717        if (mContentParent == null && shouldInstallDecor) {
2718            installDecor();
2719        }
2720        mCircularProgressBar = (ProgressBar)findViewById(com.android.internal.R.id.progress_circular);
2721        mCircularProgressBar.setVisibility(View.INVISIBLE);
2722        return mCircularProgressBar;
2723    }
2724
2725    private ProgressBar getHorizontalProgressBar(boolean shouldInstallDecor) {
2726        if (mHorizontalProgressBar != null) {
2727            return mHorizontalProgressBar;
2728        }
2729        if (mContentParent == null && shouldInstallDecor) {
2730            installDecor();
2731        }
2732        mHorizontalProgressBar = (ProgressBar)findViewById(com.android.internal.R.id.progress_horizontal);
2733        mHorizontalProgressBar.setVisibility(View.INVISIBLE);
2734        return mHorizontalProgressBar;
2735    }
2736
2737    private ImageView getRightIconView() {
2738        if (mRightIconView != null) {
2739            return mRightIconView;
2740        }
2741        if (mContentParent == null) {
2742            installDecor();
2743        }
2744        return (mRightIconView = (ImageView)findViewById(com.android.internal.R.id.right_icon));
2745    }
2746
2747    /**
2748     * Helper method for calling the {@link Callback#onPanelClosed(int, Menu)}
2749     * callback. This method will grab whatever extra state is needed for the
2750     * callback that isn't given in the parameters. If the panel is not open,
2751     * this will not perform the callback.
2752     *
2753     * @param featureId Feature ID of the panel that was closed. Must be given.
2754     * @param panel Panel that was closed. Optional but useful if there is no
2755     *            menu given.
2756     * @param menu The menu that was closed. Optional, but give if you have.
2757     */
2758    private void callOnPanelClosed(int featureId, PanelFeatureState panel, Menu menu) {
2759        final Callback cb = getCallback();
2760        if (cb == null)
2761            return;
2762
2763        // Try to get a menu
2764        if (menu == null) {
2765            // Need a panel to grab the menu, so try to get that
2766            if (panel == null) {
2767                if ((featureId >= 0) && (featureId < mPanels.length)) {
2768                    panel = mPanels[featureId];
2769                }
2770            }
2771
2772            if (panel != null) {
2773                // menu still may be null, which is okay--we tried our best
2774                menu = panel.menu;
2775            }
2776        }
2777
2778        // If the panel is not open, do not callback
2779        if ((panel != null) && (!panel.isOpen))
2780            return;
2781
2782        cb.onPanelClosed(featureId, menu);
2783    }
2784
2785    /**
2786     * Helper method for adding launch-search to most applications. Opens the
2787     * search window using default settings.
2788     *
2789     * @return true if search window opened
2790     */
2791    private boolean launchDefaultSearch() {
2792        final Callback cb = getCallback();
2793        if (cb == null) {
2794            return false;
2795        } else {
2796            sendCloseSystemWindows("search");
2797            return cb.onSearchRequested();
2798        }
2799    }
2800
2801    @Override
2802    public void setVolumeControlStream(int streamType) {
2803        mVolumeControlStreamType = streamType;
2804    }
2805
2806    @Override
2807    public int getVolumeControlStream() {
2808        return mVolumeControlStreamType;
2809    }
2810
2811    private static final class DrawableFeatureState {
2812        DrawableFeatureState(int _featureId) {
2813            featureId = _featureId;
2814        }
2815
2816        final int featureId;
2817
2818        int resid;
2819
2820        Uri uri;
2821
2822        Drawable local;
2823
2824        Drawable child;
2825
2826        Drawable def;
2827
2828        Drawable cur;
2829
2830        int alpha = 255;
2831
2832        int curAlpha = 255;
2833    }
2834
2835    private static final class PanelFeatureState {
2836
2837        /** Feature ID for this panel. */
2838        int featureId;
2839
2840        // Information pulled from the style for this panel.
2841
2842        int background;
2843
2844        /** The background when the panel spans the entire available width. */
2845        int fullBackground;
2846
2847        int gravity;
2848
2849        int x;
2850
2851        int y;
2852
2853        int windowAnimations;
2854
2855        /** Dynamic state of the panel. */
2856        DecorView decorView;
2857
2858        /** The panel that was returned by onCreatePanelView(). */
2859        View createdPanelView;
2860
2861        /** The panel that we are actually showing. */
2862        View shownPanelView;
2863
2864        /** Use {@link #setMenu} to set this. */
2865        Menu menu;
2866
2867        /**
2868         * Whether the panel has been prepared (see
2869         * {@link PhoneWindow#preparePanel}).
2870         */
2871        boolean isPrepared;
2872
2873        /**
2874         * Whether an item's action has been performed. This happens in obvious
2875         * scenarios (user clicks on menu item), but can also happen with
2876         * chording menu+(shortcut key).
2877         */
2878        boolean isHandled;
2879
2880        boolean isOpen;
2881
2882        /**
2883         * True if the menu is in expanded mode, false if the menu is in icon
2884         * mode
2885         */
2886        boolean isInExpandedMode;
2887
2888        public boolean qwertyMode;
2889
2890        boolean refreshDecorView;
2891
2892        boolean refreshMenuContent;
2893
2894        boolean wasLastOpen;
2895
2896        boolean wasLastExpanded;
2897
2898        /**
2899         * Contains the state of the menu when told to freeze.
2900         */
2901        Bundle frozenMenuState;
2902
2903        PanelFeatureState(int featureId) {
2904            this.featureId = featureId;
2905
2906            refreshDecorView = false;
2907        }
2908
2909        void setStyle(Context context) {
2910            TypedArray a = context.obtainStyledAttributes(com.android.internal.R.styleable.Theme);
2911            background = a.getResourceId(
2912                    com.android.internal.R.styleable.Theme_panelBackground, 0);
2913            fullBackground = a.getResourceId(
2914                    com.android.internal.R.styleable.Theme_panelFullBackground, 0);
2915            windowAnimations = a.getResourceId(
2916                    com.android.internal.R.styleable.Theme_windowAnimationStyle, 0);
2917            a.recycle();
2918        }
2919
2920        void setMenu(Menu menu) {
2921            this.menu = menu;
2922
2923            if (frozenMenuState != null) {
2924                ((MenuBuilder) menu).restoreHierarchyState(frozenMenuState);
2925                frozenMenuState = null;
2926            }
2927        }
2928
2929        Parcelable onSaveInstanceState() {
2930            SavedState savedState = new SavedState();
2931            savedState.featureId = featureId;
2932            savedState.isOpen = isOpen;
2933            savedState.isInExpandedMode = isInExpandedMode;
2934
2935            if (menu != null) {
2936                savedState.menuState = new Bundle();
2937                ((MenuBuilder) menu).saveHierarchyState(savedState.menuState);
2938            }
2939
2940            return savedState;
2941        }
2942
2943        void onRestoreInstanceState(Parcelable state) {
2944            SavedState savedState = (SavedState) state;
2945            featureId = savedState.featureId;
2946            wasLastOpen = savedState.isOpen;
2947            wasLastExpanded = savedState.isInExpandedMode;
2948            frozenMenuState = savedState.menuState;
2949
2950            /*
2951             * A LocalActivityManager keeps the same instance of this class around.
2952             * The first time the menu is being shown after restoring, the
2953             * Activity.onCreateOptionsMenu should be called. But, if it is the
2954             * same instance then menu != null and we won't call that method.
2955             * So, clear this.  Also clear any cached views.
2956             */
2957            menu = null;
2958            createdPanelView = null;
2959            shownPanelView = null;
2960            decorView = null;
2961        }
2962
2963        private static class SavedState implements Parcelable {
2964            int featureId;
2965            boolean isOpen;
2966            boolean isInExpandedMode;
2967            Bundle menuState;
2968
2969            public int describeContents() {
2970                return 0;
2971            }
2972
2973            public void writeToParcel(Parcel dest, int flags) {
2974                dest.writeInt(featureId);
2975                dest.writeInt(isOpen ? 1 : 0);
2976                dest.writeInt(isInExpandedMode ? 1 : 0);
2977
2978                if (isOpen) {
2979                    dest.writeBundle(menuState);
2980                }
2981            }
2982
2983            private static SavedState readFromParcel(Parcel source) {
2984                SavedState savedState = new SavedState();
2985                savedState.featureId = source.readInt();
2986                savedState.isOpen = source.readInt() == 1;
2987                savedState.isInExpandedMode = source.readInt() == 1;
2988
2989                if (savedState.isOpen) {
2990                    savedState.menuState = source.readBundle();
2991                }
2992
2993                return savedState;
2994            }
2995
2996            public static final Parcelable.Creator<SavedState> CREATOR
2997                    = new Parcelable.Creator<SavedState>() {
2998                public SavedState createFromParcel(Parcel in) {
2999                    return readFromParcel(in);
3000                }
3001
3002                public SavedState[] newArray(int size) {
3003                    return new SavedState[size];
3004                }
3005            };
3006        }
3007
3008    }
3009
3010    /**
3011     * Simple implementation of MenuBuilder.Callback that:
3012     * <li> Opens a submenu when selected.
3013     * <li> Calls back to the callback's onMenuItemSelected when an item is
3014     * selected.
3015     */
3016    private final class DialogMenuCallback implements MenuBuilder.Callback {
3017        private int mFeatureId;
3018        private MenuDialogHelper mSubMenuHelper;
3019
3020        public DialogMenuCallback(int featureId) {
3021            mFeatureId = featureId;
3022        }
3023
3024        public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
3025            if (allMenusAreClosing) {
3026                Callback callback = getCallback();
3027                if (callback != null) callback.onPanelClosed(mFeatureId, menu);
3028
3029                if (menu == mContextMenu) {
3030                    dismissContextMenu();
3031                }
3032
3033                // Dismiss the submenu, if it is showing
3034                if (mSubMenuHelper != null) {
3035                    mSubMenuHelper.dismiss();
3036                    mSubMenuHelper = null;
3037                }
3038            }
3039        }
3040
3041        public void onCloseSubMenu(SubMenuBuilder menu) {
3042            Callback callback = getCallback();
3043            if (callback != null) callback.onPanelClosed(mFeatureId, menu.getRootMenu());
3044        }
3045
3046        public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
3047            Callback callback = getCallback();
3048            return (callback != null) && callback.onMenuItemSelected(mFeatureId, item);
3049        }
3050
3051        public void onMenuModeChange(MenuBuilder menu) {
3052        }
3053
3054        public boolean onSubMenuSelected(SubMenuBuilder subMenu) {
3055            // Set a simple callback for the submenu
3056            subMenu.setCallback(this);
3057
3058            // The window manager will give us a valid window token
3059            mSubMenuHelper = new MenuDialogHelper(subMenu);
3060            mSubMenuHelper.show(null);
3061
3062            return true;
3063        }
3064    }
3065
3066    void sendCloseSystemWindows() {
3067        PhoneWindowManager.sendCloseSystemWindows(getContext(), null);
3068    }
3069
3070    void sendCloseSystemWindows(String reason) {
3071        PhoneWindowManager.sendCloseSystemWindows(getContext(), reason);
3072    }
3073}
3074