PhoneWindow.java revision e02d808abf370965c3c4e4d38af11bc69110fde2 
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.view.ActionMode;
62import android.view.Gravity;
63import android.view.HapticFeedbackConstants;
64import android.view.InputQueue;
65import android.view.KeyCharacterMap;
66import android.view.KeyEvent;
67import android.view.LayoutInflater;
68import android.view.Menu;
69import android.view.MenuItem;
70import android.view.MotionEvent;
71import android.view.SurfaceHolder;
72import android.view.View;
73import android.view.ViewGroup;
74import android.view.ViewManager;
75import android.view.ViewStub;
76import android.view.VolumePanel;
77import android.view.Window;
78import android.view.WindowManager;
79import android.view.accessibility.AccessibilityEvent;
80import android.view.accessibility.AccessibilityManager;
81import android.view.animation.Animation;
82import android.view.animation.AnimationUtils;
83import android.view.inputmethod.InputMethodManager;
84import android.widget.FrameLayout;
85import android.widget.ImageView;
86import android.widget.ProgressBar;
87import android.widget.TextView;
88
89/**
90 * Android-specific Window.
91 * <p>
92 * todo: need to pull the generic functionality out into a base class
93 * in android.widget.
94 */
95public class PhoneWindow extends Window implements MenuBuilder.Callback {
96
97    private final static String TAG = "PhoneWindow";
98
99    private final static boolean SWEEP_OPEN_MENU = false;
100
101    /**
102     * Simple callback used by the context menu and its submenus. The options
103     * menu submenus do not use this (their behavior is more complex).
104     */
105    DialogMenuCallback mContextMenuCallback = new DialogMenuCallback(FEATURE_CONTEXT_MENU);
106
107    // This is the top-level view of the window, containing the window decor.
108    private DecorView mDecor;
109
110    // This is the view in which the window contents are placed. It is either
111    // mDecor itself, or a child of mDecor where the contents go.
112    private ViewGroup mContentParent;
113
114    SurfaceHolder.Callback2 mTakeSurfaceCallback;
115    BaseSurfaceHolder mSurfaceHolder;
116
117    InputQueue.Callback mTakeInputQueueCallback;
118
119    private boolean mIsFloating;
120
121    private LayoutInflater mLayoutInflater;
122
123    private TextView mTitleView;
124
125    private ActionBarView mActionBar;
126
127    private DrawableFeatureState[] mDrawables;
128
129    private PanelFeatureState[] mPanels;
130
131    /**
132     * The panel that is prepared or opened (the most recent one if there are
133     * multiple panels). Shortcuts will go to this panel. It gets set in
134     * {@link #preparePanel} and cleared in {@link #closePanel}.
135     */
136    private PanelFeatureState mPreparedPanel;
137
138    /**
139     * The keycode that is currently held down (as a modifier) for chording. If
140     * this is 0, there is no key held down.
141     */
142    private int mPanelChordingKey;
143    private boolean mPanelMayLongPress;
144
145    private ImageView mLeftIconView;
146
147    private ImageView mRightIconView;
148
149    private ProgressBar mCircularProgressBar;
150
151    private ProgressBar mHorizontalProgressBar;
152
153    private int mBackgroundResource = 0;
154
155    private Drawable mBackgroundDrawable;
156
157    private int mFrameResource = 0;
158
159    private int mTextColor = 0;
160
161    private CharSequence mTitle = null;
162
163    private int mTitleColor = 0;
164
165    private ContextMenuBuilder mContextMenu;
166    private MenuDialogHelper mContextMenuHelper;
167
168    private int mVolumeControlStreamType = AudioManager.USE_DEFAULT_STREAM_TYPE;
169    private long mVolumeKeyUpTime;
170
171    private KeyguardManager mKeyguardManager = null;
172
173    private SearchManager mSearchManager = null;
174
175    private TelephonyManager mTelephonyManager = null;
176
177    public PhoneWindow(Context context) {
178        super(context);
179        mLayoutInflater = LayoutInflater.from(context);
180    }
181
182    @Override
183    public final void setContainer(Window container) {
184        super.setContainer(container);
185    }
186
187    @Override
188    public boolean requestFeature(int featureId) {
189        if (mContentParent != null) {
190            throw new AndroidRuntimeException("requestFeature() must be called before adding content");
191        }
192        final int features = getFeatures();
193        if ((features != DEFAULT_FEATURES) && (featureId == FEATURE_CUSTOM_TITLE)) {
194
195            /* Another feature is enabled and the user is trying to enable the custom title feature */
196            throw new AndroidRuntimeException("You cannot combine custom titles with other title features");
197        }
198        if (((features & (1 << FEATURE_CUSTOM_TITLE)) != 0) && (featureId != FEATURE_CUSTOM_TITLE)) {
199
200            /* Custom title feature is enabled and the user is trying to enable another feature */
201            throw new AndroidRuntimeException("You cannot combine custom titles with other title features");
202        }
203        if ((features & (1 << FEATURE_NO_TITLE)) != 0 && featureId == FEATURE_ACTION_BAR) {
204            return false; // Ignore. No title dominates.
205        }
206        if ((features & (1 << FEATURE_ACTION_BAR)) != 0 && featureId == FEATURE_NO_TITLE) {
207            // Remove the action bar feature if we have no title. No title dominates.
208            removeFeature(FEATURE_ACTION_BAR);
209        }
210        return super.requestFeature(featureId);
211    }
212
213    @Override
214    public void setContentView(int layoutResID) {
215        if (mContentParent == null) {
216            installDecor();
217        } else {
218            mContentParent.removeAllViews();
219        }
220        mLayoutInflater.inflate(layoutResID, mContentParent);
221        final Callback cb = getCallback();
222        if (cb != null) {
223            cb.onContentChanged();
224        }
225    }
226
227    @Override
228    public void setContentView(View view) {
229        setContentView(view, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
230    }
231
232    @Override
233    public void setContentView(View view, ViewGroup.LayoutParams params) {
234        if (mContentParent == null) {
235            installDecor();
236        } else {
237            mContentParent.removeAllViews();
238        }
239        mContentParent.addView(view, params);
240        final Callback cb = getCallback();
241        if (cb != null) {
242            cb.onContentChanged();
243        }
244    }
245
246    @Override
247    public void addContentView(View view, ViewGroup.LayoutParams params) {
248        if (mContentParent == null) {
249            installDecor();
250        }
251        mContentParent.addView(view, params);
252        final Callback cb = getCallback();
253        if (cb != null) {
254            cb.onContentChanged();
255        }
256    }
257
258    @Override
259    public View getCurrentFocus() {
260        return mDecor != null ? mDecor.findFocus() : null;
261    }
262
263    @Override
264    public void takeSurface(SurfaceHolder.Callback2 callback) {
265        mTakeSurfaceCallback = callback;
266    }
267
268    public void takeInputQueue(InputQueue.Callback callback) {
269        mTakeInputQueueCallback = callback;
270    }
271
272    @Override
273    public boolean isFloating() {
274        return mIsFloating;
275    }
276
277    /**
278     * Return a LayoutInflater instance that can be used to inflate XML view layout
279     * resources for use in this Window.
280     *
281     * @return LayoutInflater The shared LayoutInflater.
282     */
283    @Override
284    public LayoutInflater getLayoutInflater() {
285        return mLayoutInflater;
286    }
287
288    @Override
289    public void setTitle(CharSequence title) {
290        if (mTitleView != null) {
291            mTitleView.setText(title);
292        } else if (mActionBar != null) {
293            mActionBar.setWindowTitle(title);
294        }
295        mTitle = title;
296    }
297
298    @Override
299    public void setTitleColor(int textColor) {
300        if (mTitleView != null) {
301            mTitleView.setTextColor(textColor);
302        }
303        mTitleColor = textColor;
304    }
305
306    /**
307     * Prepares the panel to either be opened or chorded. This creates the Menu
308     * instance for the panel and populates it via the Activity callbacks.
309     *
310     * @param st The panel state to prepare.
311     * @param event The event that triggered the preparing of the panel.
312     * @return Whether the panel was prepared. If the panel should not be shown,
313     *         returns false.
314     */
315    public final boolean preparePanel(PanelFeatureState st, KeyEvent event) {
316        // Already prepared (isPrepared will be reset to false later)
317        if (st.isPrepared)
318            return true;
319
320        if ((mPreparedPanel != null) && (mPreparedPanel != st)) {
321            // Another Panel is prepared and possibly open, so close it
322            closePanel(mPreparedPanel, false);
323        }
324
325        final Callback cb = getCallback();
326
327        if (cb != null) {
328            st.createdPanelView = cb.onCreatePanelView(st.featureId);
329        }
330
331        if (st.createdPanelView == null) {
332            // Init the panel state's menu--return false if init failed
333            if (st.menu == null || st.refreshMenuContent) {
334                if (st.menu == null) {
335                    if (!initializePanelMenu(st) || (st.menu == null)) {
336                        return false;
337                    }
338                }
339                // Call callback, and return if it doesn't want to display menu
340                if ((cb == null) || !cb.onCreatePanelMenu(st.featureId, st.menu)) {
341                    // Ditch the menu created above
342                    st.menu = null;
343
344                    return false;
345                }
346
347                st.refreshMenuContent = false;
348
349                if (mActionBar != null) {
350                    mActionBar.setMenu(st.menu);
351                }
352            }
353
354            // Callback and return if the callback does not want to show the menu
355            if (!cb.onPreparePanel(st.featureId, st.createdPanelView, st.menu)) {
356                return false;
357            }
358
359            // Set the proper keymap
360            KeyCharacterMap kmap = KeyCharacterMap.load(event != null ? event.getDeviceId() : 0);
361            st.qwertyMode = kmap.getKeyboardType() != KeyCharacterMap.NUMERIC;
362            st.menu.setQwertyMode(st.qwertyMode);
363        }
364
365        // Set other state
366        st.isPrepared = true;
367        st.isHandled = false;
368        mPreparedPanel = st;
369
370        return true;
371    }
372
373    @Override
374    public void onConfigurationChanged(Configuration newConfig) {
375        // Action bars handle their own menu state
376        if (mActionBar == null) {
377            PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
378            if ((st != null) && (st.menu != null)) {
379                final MenuBuilder menuBuilder = (MenuBuilder) st.menu;
380
381                if (st.isOpen) {
382                    // Freeze state
383                    final Bundle state = new Bundle();
384                    menuBuilder.saveHierarchyState(state);
385
386                    // Remove the menu views since they need to be recreated
387                    // according to the new configuration
388                    clearMenuViews(st);
389
390                    // Re-open the same menu
391                    reopenMenu(false);
392
393                    // Restore state
394                    menuBuilder.restoreHierarchyState(state);
395
396                } else {
397                    // Clear menu views so on next menu opening, it will use
398                    // the proper layout
399                    clearMenuViews(st);
400                }
401            }
402        }
403    }
404
405    private static void clearMenuViews(PanelFeatureState st) {
406        // This can be called on config changes, so we should make sure
407        // the views will be reconstructed based on the new orientation, etc.
408
409        // Allow the callback to create a new panel view
410        st.createdPanelView = null;
411
412        // Causes the decor view to be recreated
413        st.refreshDecorView = true;
414
415        ((MenuBuilder) st.menu).clearMenuViews();
416    }
417
418    @Override
419    public final void openPanel(int featureId, KeyEvent event) {
420        if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null &&
421                mActionBar.isOverflowReserved()) {
422            mActionBar.showOverflowMenu();
423        } else {
424            openPanel(getPanelState(featureId, true), event);
425        }
426    }
427
428    private void openPanel(PanelFeatureState st, KeyEvent event) {
429        // System.out.println("Open panel: isOpen=" + st.isOpen);
430
431        // Already open, return
432        if (st.isOpen) {
433            return;
434        }
435
436        Callback cb = getCallback();
437        if ((cb != null) && (!cb.onMenuOpened(st.featureId, st.menu))) {
438            // Callback doesn't want the menu to open, reset any state
439            closePanel(st, true);
440            return;
441        }
442
443        final WindowManager wm = getWindowManager();
444        if (wm == null) {
445            return;
446        }
447
448        // Prepare panel (should have been done before, but just in case)
449        if (!preparePanel(st, event)) {
450            return;
451        }
452
453        if (st.decorView == null || st.refreshDecorView) {
454            if (st.decorView == null) {
455                // Initialize the panel decor, this will populate st.decorView
456                if (!initializePanelDecor(st) || (st.decorView == null))
457                    return;
458            } else if (st.refreshDecorView && (st.decorView.getChildCount() > 0)) {
459                // Decor needs refreshing, so remove its views
460                st.decorView.removeAllViews();
461            }
462
463            // This will populate st.shownPanelView
464            if (!initializePanelContent(st) || (st.shownPanelView == null)) {
465                return;
466            }
467
468            ViewGroup.LayoutParams lp = st.shownPanelView.getLayoutParams();
469            if (lp == null) {
470                lp = new ViewGroup.LayoutParams(WRAP_CONTENT, WRAP_CONTENT);
471            }
472
473            int backgroundResId;
474            if (lp.width == ViewGroup.LayoutParams.MATCH_PARENT) {
475                // If the contents is fill parent for the width, set the
476                // corresponding background
477                backgroundResId = st.fullBackground;
478            } else {
479                // Otherwise, set the normal panel background
480                backgroundResId = st.background;
481            }
482            st.decorView.setWindowBackground(getContext().getResources().getDrawable(
483                    backgroundResId));
484
485
486            st.decorView.addView(st.shownPanelView, lp);
487
488            /*
489             * Give focus to the view, if it or one of its children does not
490             * already have it.
491             */
492            if (!st.shownPanelView.hasFocus()) {
493                st.shownPanelView.requestFocus();
494            }
495        }
496
497        st.isOpen = true;
498        st.isHandled = false;
499
500        WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
501                WRAP_CONTENT, WRAP_CONTENT,
502                st.x, st.y, WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG,
503                WindowManager.LayoutParams.FLAG_DITHER
504                | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
505                st.decorView.mDefaultOpacity);
506
507        lp.gravity = st.gravity;
508        lp.windowAnimations = st.windowAnimations;
509
510        wm.addView(st.decorView, lp);
511        // Log.v(TAG, "Adding main menu to window manager.");
512    }
513
514    @Override
515    public final void closePanel(int featureId) {
516        if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null &&
517                mActionBar.isOverflowReserved()) {
518            mActionBar.hideOverflowMenu();
519        } else if (featureId == FEATURE_CONTEXT_MENU) {
520            closeContextMenu();
521        } else {
522            closePanel(getPanelState(featureId, true), true);
523        }
524    }
525
526    /**
527     * Closes the given panel.
528     *
529     * @param st The panel to be closed.
530     * @param doCallback Whether to notify the callback that the panel was
531     *            closed. If the panel is in the process of re-opening or
532     *            opening another panel (e.g., menu opening a sub menu), the
533     *            callback should not happen and this variable should be false.
534     *            In addition, this method internally will only perform the
535     *            callback if the panel is open.
536     */
537    public final void closePanel(PanelFeatureState st, boolean doCallback) {
538        // System.out.println("Close panel: isOpen=" + st.isOpen);
539        final ViewManager wm = getWindowManager();
540        if ((wm != null) && st.isOpen) {
541            if (st.decorView != null) {
542                wm.removeView(st.decorView);
543                // Log.v(TAG, "Removing main menu from window manager.");
544            }
545
546            if (doCallback) {
547                callOnPanelClosed(st.featureId, st, null);
548            }
549        }
550        st.isPrepared = false;
551        st.isHandled = false;
552        st.isOpen = false;
553
554        // This view is no longer shown, so null it out
555        st.shownPanelView = null;
556
557        if (st.isInExpandedMode) {
558            // Next time the menu opens, it should not be in expanded mode, so
559            // force a refresh of the decor
560            st.refreshDecorView = true;
561            st.isInExpandedMode = false;
562        }
563
564        if (mPreparedPanel == st) {
565            mPreparedPanel = null;
566            mPanelChordingKey = 0;
567        }
568    }
569
570    @Override
571    public final void togglePanel(int featureId, KeyEvent event) {
572        PanelFeatureState st = getPanelState(featureId, true);
573        if (st.isOpen) {
574            closePanel(st, true);
575        } else {
576            openPanel(st, event);
577        }
578    }
579
580    @Override
581    public void invalidatePanelMenu(int featureId) {
582        PanelFeatureState st = getPanelState(featureId, true);
583        if (st.menu != null) {
584            st.menu.clear();
585        }
586        st.refreshMenuContent = true;
587        st.refreshDecorView = true;
588
589        // Prepare the options panel if we have an action bar
590        if ((featureId == FEATURE_ACTION_BAR || featureId == FEATURE_OPTIONS_PANEL)
591                && mActionBar != null) {
592            st = getPanelState(Window.FEATURE_OPTIONS_PANEL, false);
593            if (st != null) {
594                st.isPrepared = false;
595                preparePanel(st, null);
596            }
597        }
598    }
599
600    /**
601     * Called when the panel key is pushed down.
602     * @param featureId The feature ID of the relevant panel (defaults to FEATURE_OPTIONS_PANEL}.
603     * @param event The key event.
604     * @return Whether the key was handled.
605     */
606    public final boolean onKeyDownPanel(int featureId, KeyEvent event) {
607        final int keyCode = event.getKeyCode();
608
609        if (event.getRepeatCount() == 0) {
610            // The panel key was pushed, so set the chording key
611            mPanelChordingKey = keyCode;
612            mPanelMayLongPress = false;
613
614            PanelFeatureState st = getPanelState(featureId, true);
615            if (!st.isOpen) {
616                if (getContext().getResources().getConfiguration().keyboard
617                        == Configuration.KEYBOARD_NOKEYS) {
618                    mPanelMayLongPress = true;
619                }
620                return preparePanel(st, event);
621            }
622        } else if (mPanelMayLongPress && mPanelChordingKey == keyCode
623                && (event.getFlags()&KeyEvent.FLAG_LONG_PRESS) != 0) {
624            // We have had a long press while in a state where this
625            // should be executed...  do it!
626            mPanelChordingKey = 0;
627            mPanelMayLongPress = false;
628            InputMethodManager imm = (InputMethodManager)
629                    getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
630            if (imm != null) {
631                mDecor.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
632                imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
633            }
634
635        }
636
637        return false;
638    }
639
640    /**
641     * Called when the panel key is released.
642     * @param featureId The feature ID of the relevant panel (defaults to FEATURE_OPTIONS_PANEL}.
643     * @param event The key event.
644     */
645    public final void onKeyUpPanel(int featureId, KeyEvent event) {
646        // The panel key was released, so clear the chording key
647        if (mPanelChordingKey != 0) {
648            mPanelChordingKey = 0;
649            mPanelMayLongPress = false;
650
651            if (event.isCanceled()) {
652                return;
653            }
654
655            boolean playSoundEffect = false;
656            final PanelFeatureState st = getPanelState(featureId, true);
657            if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null &&
658                    mActionBar.isOverflowReserved()) {
659                if (!mActionBar.isOverflowMenuShowing()) {
660                    final Callback cb = getCallback();
661                    if (cb != null &&
662                            cb.onPreparePanel(featureId, st.createdPanelView, st.menu)) {
663                        playSoundEffect = mActionBar.showOverflowMenu();
664                    }
665                } else {
666                    playSoundEffect = mActionBar.hideOverflowMenu();
667                }
668            } else {
669                if (st.isOpen || st.isHandled) {
670
671                    // Play the sound effect if the user closed an open menu (and not if
672                    // they just released a menu shortcut)
673                    playSoundEffect = st.isOpen;
674
675                    // Close menu
676                    closePanel(st, true);
677
678                } else if (st.isPrepared) {
679
680                    // Write 'menu opened' to event log
681                    EventLog.writeEvent(50001, 0);
682
683                    // Show menu
684                    openPanel(st, event);
685
686                    playSoundEffect = true;
687                }
688            }
689
690            if (playSoundEffect) {
691                AudioManager audioManager = (AudioManager) getContext().getSystemService(
692                        Context.AUDIO_SERVICE);
693                if (audioManager != null) {
694                    audioManager.playSoundEffect(AudioManager.FX_KEY_CLICK);
695                } else {
696                    Log.w(TAG, "Couldn't get audio manager");
697                }
698            }
699        }
700    }
701
702    @Override
703    public final void closeAllPanels() {
704        final ViewManager wm = getWindowManager();
705        if (wm == null) {
706            return;
707        }
708
709        final PanelFeatureState[] panels = mPanels;
710        final int N = panels != null ? panels.length : 0;
711        for (int i = 0; i < N; i++) {
712            final PanelFeatureState panel = panels[i];
713            if (panel != null) {
714                closePanel(panel, true);
715            }
716        }
717
718        closeContextMenu();
719    }
720
721    /**
722     * Closes the context menu. This notifies the menu logic of the close, along
723     * with dismissing it from the UI.
724     */
725    private synchronized void closeContextMenu() {
726        if (mContextMenu != null) {
727            mContextMenu.close();
728            dismissContextMenu();
729        }
730    }
731
732    /**
733     * Dismisses just the context menu UI. To close the context menu, use
734     * {@link #closeContextMenu()}.
735     */
736    private synchronized void dismissContextMenu() {
737        mContextMenu = null;
738
739        if (mContextMenuHelper != null) {
740            mContextMenuHelper.dismiss();
741            mContextMenuHelper = null;
742        }
743    }
744
745    @Override
746    public boolean performPanelShortcut(int featureId, int keyCode, KeyEvent event, int flags) {
747        return performPanelShortcut(getPanelState(featureId, true), keyCode, event, flags);
748    }
749
750    private boolean performPanelShortcut(PanelFeatureState st, int keyCode, KeyEvent event,
751            int flags) {
752        if (event.isSystem() || (st == null)) {
753            return false;
754        }
755
756        boolean handled = false;
757
758        // Only try to perform menu shortcuts if preparePanel returned true (possible false
759        // return value from application not wanting to show the menu).
760        if ((st.isPrepared || preparePanel(st, event)) && st.menu != null) {
761            // The menu is prepared now, perform the shortcut on it
762            handled = st.menu.performShortcut(keyCode, event, flags);
763        }
764
765        if (handled) {
766            // Mark as handled
767            st.isHandled = true;
768
769            if ((flags & Menu.FLAG_PERFORM_NO_CLOSE) == 0) {
770                closePanel(st, true);
771            }
772        }
773
774        return handled;
775    }
776
777    @Override
778    public boolean performPanelIdentifierAction(int featureId, int id, int flags) {
779
780        PanelFeatureState st = getPanelState(featureId, true);
781        if (!preparePanel(st, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU))) {
782            return false;
783        }
784        if (st.menu == null) {
785            return false;
786        }
787
788        boolean res = st.menu.performIdentifierAction(id, flags);
789
790        closePanel(st, true);
791
792        return res;
793    }
794
795    public PanelFeatureState findMenuPanel(Menu menu) {
796        final PanelFeatureState[] panels = mPanels;
797        final int N = panels != null ? panels.length : 0;
798        for (int i = 0; i < N; i++) {
799            final PanelFeatureState panel = panels[i];
800            if (panel != null && panel.menu == menu) {
801                return panel;
802            }
803        }
804        return null;
805    }
806
807    public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
808        final Callback cb = getCallback();
809        if (cb != null) {
810            final PanelFeatureState panel = findMenuPanel(menu.getRootMenu());
811            if (panel != null) {
812                return cb.onMenuItemSelected(panel.featureId, item);
813            }
814        }
815        return false;
816    }
817
818    public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
819        final PanelFeatureState panel = findMenuPanel(menu);
820        if (panel != null) {
821            // Close the panel and only do the callback if the menu is being
822            // closed
823            // completely, not if opening a sub menu
824            closePanel(panel, allMenusAreClosing);
825        }
826    }
827
828    public void onCloseSubMenu(SubMenuBuilder subMenu) {
829        final Menu parentMenu = subMenu.getRootMenu();
830        final PanelFeatureState panel = findMenuPanel(parentMenu);
831
832        // Callback
833        if (panel != null) {
834            callOnPanelClosed(panel.featureId, panel, parentMenu);
835            closePanel(panel, true);
836        }
837    }
838
839    public boolean onSubMenuSelected(final SubMenuBuilder subMenu) {
840        if (!subMenu.hasVisibleItems()) {
841            return true;
842        }
843
844        final Menu parentMenu = subMenu.getRootMenu();
845        final PanelFeatureState panel = findMenuPanel(parentMenu);
846
847        /*
848         * Use the panel open state to determine whether this is coming from an open panel
849         * or an action button. If it's an open panel we want to use MenuDialogHelper.
850         * If it's closed we want to grab the relevant view and create a popup anchored to it.
851         */
852        if (panel.isOpen) {
853            // The window manager will give us a valid window token
854            new MenuDialogHelper(subMenu).show(null);
855        } else {
856            new MenuPopupHelper(getContext(), subMenu).show();
857        }
858
859        return true;
860    }
861
862    public void onMenuModeChange(MenuBuilder menu) {
863        reopenMenu(true);
864    }
865
866    private void reopenMenu(boolean toggleMenuMode) {
867        if (mActionBar != null) {
868            if (!mActionBar.isOverflowMenuShowing() || !toggleMenuMode) {
869                final Callback cb = getCallback();
870                if (cb != null) {
871                    final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
872                    if (cb.onPreparePanel(FEATURE_OPTIONS_PANEL, st.createdPanelView, st.menu)) {
873                        mActionBar.showOverflowMenu();
874                    }
875                }
876            } else {
877                mActionBar.hideOverflowMenu();
878            }
879            return;
880        }
881
882        PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
883
884        // Save the future expanded mode state since closePanel will reset it
885        boolean newExpandedMode = toggleMenuMode ? !st.isInExpandedMode : st.isInExpandedMode;
886
887        st.refreshDecorView = true;
888        closePanel(st, false);
889
890        // Set the expanded mode state
891        st.isInExpandedMode = newExpandedMode;
892
893        openPanel(st, null);
894    }
895
896    /**
897     * Initializes the menu associated with the given panel feature state. You
898     * must at the very least set PanelFeatureState.menu to the Menu to be
899     * associated with the given panel state. The default implementation creates
900     * a new menu for the panel state.
901     *
902     * @param st The panel whose menu is being initialized.
903     * @return Whether the initialization was successful.
904     */
905    protected boolean initializePanelMenu(final PanelFeatureState st) {
906        final MenuBuilder menu = new MenuBuilder(getContext());
907
908        menu.setCallback(this);
909        st.setMenu(menu);
910
911        return true;
912    }
913
914    /**
915     * Perform initial setup of a panel. This should at the very least set the
916     * style information in the PanelFeatureState and must set
917     * PanelFeatureState.decor to the panel's window decor view.
918     *
919     * @param st The panel being initialized.
920     */
921    protected boolean initializePanelDecor(PanelFeatureState st) {
922        st.decorView = new DecorView(getContext(), st.featureId);
923        st.gravity = Gravity.CENTER | Gravity.BOTTOM;
924        st.setStyle(getContext());
925
926        return true;
927    }
928
929    /**
930     * Initializes the panel associated with the panel feature state. You must
931     * at the very least set PanelFeatureState.panel to the View implementing
932     * its contents. The default implementation gets the panel from the menu.
933     *
934     * @param st The panel state being initialized.
935     * @return Whether the initialization was successful.
936     */
937    protected boolean initializePanelContent(PanelFeatureState st) {
938
939        if (st.createdPanelView != null) {
940            st.shownPanelView = st.createdPanelView;
941            return true;
942        }
943
944        final MenuBuilder menu = (MenuBuilder)st.menu;
945        if (menu == null) {
946            return false;
947        }
948
949        st.shownPanelView = menu.getMenuView((st.isInExpandedMode) ? MenuBuilder.TYPE_EXPANDED
950                : MenuBuilder.TYPE_ICON, st.decorView);
951
952        if (st.shownPanelView != null) {
953            // Use the menu View's default animations if it has any
954            final int defaultAnimations = ((MenuView) st.shownPanelView).getWindowAnimations();
955            if (defaultAnimations != 0) {
956                st.windowAnimations = defaultAnimations;
957            }
958            return true;
959        } else {
960            return false;
961        }
962    }
963
964    @Override
965    public boolean performContextMenuIdentifierAction(int id, int flags) {
966        return (mContextMenu != null) ? mContextMenu.performIdentifierAction(id, flags) : false;
967    }
968
969    @Override
970    public final void setBackgroundDrawable(Drawable drawable) {
971        if (drawable != mBackgroundDrawable || mBackgroundResource != 0) {
972            mBackgroundResource = 0;
973            mBackgroundDrawable = drawable;
974            if (mDecor != null) {
975                mDecor.setWindowBackground(drawable);
976            }
977        }
978    }
979
980    @Override
981    public final void setFeatureDrawableResource(int featureId, int resId) {
982        if (resId != 0) {
983            DrawableFeatureState st = getDrawableState(featureId, true);
984            if (st.resid != resId) {
985                st.resid = resId;
986                st.uri = null;
987                st.local = getContext().getResources().getDrawable(resId);
988                updateDrawable(featureId, st, false);
989            }
990        } else {
991            setFeatureDrawable(featureId, null);
992        }
993    }
994
995    @Override
996    public final void setFeatureDrawableUri(int featureId, Uri uri) {
997        if (uri != null) {
998            DrawableFeatureState st = getDrawableState(featureId, true);
999            if (st.uri == null || !st.uri.equals(uri)) {
1000                st.resid = 0;
1001                st.uri = uri;
1002                st.local = loadImageURI(uri);
1003                updateDrawable(featureId, st, false);
1004            }
1005        } else {
1006            setFeatureDrawable(featureId, null);
1007        }
1008    }
1009
1010    @Override
1011    public final void setFeatureDrawable(int featureId, Drawable drawable) {
1012        DrawableFeatureState st = getDrawableState(featureId, true);
1013        st.resid = 0;
1014        st.uri = null;
1015        if (st.local != drawable) {
1016            st.local = drawable;
1017            updateDrawable(featureId, st, false);
1018        }
1019    }
1020
1021    @Override
1022    public void setFeatureDrawableAlpha(int featureId, int alpha) {
1023        DrawableFeatureState st = getDrawableState(featureId, true);
1024        if (st.alpha != alpha) {
1025            st.alpha = alpha;
1026            updateDrawable(featureId, st, false);
1027        }
1028    }
1029
1030    protected final void setFeatureDefaultDrawable(int featureId, Drawable drawable) {
1031        DrawableFeatureState st = getDrawableState(featureId, true);
1032        if (st.def != drawable) {
1033            st.def = drawable;
1034            updateDrawable(featureId, st, false);
1035        }
1036    }
1037
1038    @Override
1039    public final void setFeatureInt(int featureId, int value) {
1040        // XXX Should do more management (as with drawable features) to
1041        // deal with interactions between multiple window policies.
1042        updateInt(featureId, value, false);
1043    }
1044
1045    /**
1046     * Update the state of a drawable feature. This should be called, for every
1047     * drawable feature supported, as part of onActive(), to make sure that the
1048     * contents of a containing window is properly updated.
1049     *
1050     * @see #onActive
1051     * @param featureId The desired drawable feature to change.
1052     * @param fromActive Always true when called from onActive().
1053     */
1054    protected final void updateDrawable(int featureId, boolean fromActive) {
1055        final DrawableFeatureState st = getDrawableState(featureId, false);
1056        if (st != null) {
1057            updateDrawable(featureId, st, fromActive);
1058        }
1059    }
1060
1061    /**
1062     * Called when a Drawable feature changes, for the window to update its
1063     * graphics.
1064     *
1065     * @param featureId The feature being changed.
1066     * @param drawable The new Drawable to show, or null if none.
1067     * @param alpha The new alpha blending of the Drawable.
1068     */
1069    protected void onDrawableChanged(int featureId, Drawable drawable, int alpha) {
1070        ImageView view;
1071        if (featureId == FEATURE_LEFT_ICON) {
1072            view = getLeftIconView();
1073        } else if (featureId == FEATURE_RIGHT_ICON) {
1074            view = getRightIconView();
1075        } else {
1076            return;
1077        }
1078
1079        if (drawable != null) {
1080            drawable.setAlpha(alpha);
1081            view.setImageDrawable(drawable);
1082            view.setVisibility(View.VISIBLE);
1083        } else {
1084            view.setVisibility(View.GONE);
1085        }
1086    }
1087
1088    /**
1089     * Called when an int feature changes, for the window to update its
1090     * graphics.
1091     *
1092     * @param featureId The feature being changed.
1093     * @param value The new integer value.
1094     */
1095    protected void onIntChanged(int featureId, int value) {
1096        if (featureId == FEATURE_PROGRESS || featureId == FEATURE_INDETERMINATE_PROGRESS) {
1097            updateProgressBars(value);
1098        } else if (featureId == FEATURE_CUSTOM_TITLE) {
1099            FrameLayout titleContainer = (FrameLayout) findViewById(com.android.internal.R.id.title_container);
1100            if (titleContainer != null) {
1101                mLayoutInflater.inflate(value, titleContainer);
1102            }
1103        }
1104    }
1105
1106    /**
1107     * Updates the progress bars that are shown in the title bar.
1108     *
1109     * @param value Can be one of {@link Window#PROGRESS_VISIBILITY_ON},
1110     *            {@link Window#PROGRESS_VISIBILITY_OFF},
1111     *            {@link Window#PROGRESS_INDETERMINATE_ON},
1112     *            {@link Window#PROGRESS_INDETERMINATE_OFF}, or a value
1113     *            starting at {@link Window#PROGRESS_START} through
1114     *            {@link Window#PROGRESS_END} for setting the default
1115     *            progress (if {@link Window#PROGRESS_END} is given,
1116     *            the progress bar widgets in the title will be hidden after an
1117     *            animation), a value between
1118     *            {@link Window#PROGRESS_SECONDARY_START} -
1119     *            {@link Window#PROGRESS_SECONDARY_END} for the
1120     *            secondary progress (if
1121     *            {@link Window#PROGRESS_SECONDARY_END} is given, the
1122     *            progress bar widgets will still be shown with the secondary
1123     *            progress bar will be completely filled in.)
1124     */
1125    private void updateProgressBars(int value) {
1126        ProgressBar circularProgressBar = getCircularProgressBar(true);
1127        ProgressBar horizontalProgressBar = getHorizontalProgressBar(true);
1128
1129        final int features = getLocalFeatures();
1130        if (value == PROGRESS_VISIBILITY_ON) {
1131            if ((features & (1 << FEATURE_PROGRESS)) != 0) {
1132                int level = horizontalProgressBar.getProgress();
1133                int visibility = (horizontalProgressBar.isIndeterminate() || level < 10000) ?
1134                        View.VISIBLE : View.INVISIBLE;
1135                horizontalProgressBar.setVisibility(visibility);
1136            }
1137            if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
1138                circularProgressBar.setVisibility(View.VISIBLE);
1139            }
1140        } else if (value == PROGRESS_VISIBILITY_OFF) {
1141            if ((features & (1 << FEATURE_PROGRESS)) != 0) {
1142                horizontalProgressBar.setVisibility(View.GONE);
1143            }
1144            if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
1145                circularProgressBar.setVisibility(View.GONE);
1146            }
1147        } else if (value == PROGRESS_INDETERMINATE_ON) {
1148            horizontalProgressBar.setIndeterminate(true);
1149        } else if (value == PROGRESS_INDETERMINATE_OFF) {
1150            horizontalProgressBar.setIndeterminate(false);
1151        } else if (PROGRESS_START <= value && value <= PROGRESS_END) {
1152            // We want to set the progress value before testing for visibility
1153            // so that when the progress bar becomes visible again, it has the
1154            // correct level.
1155            horizontalProgressBar.setProgress(value - PROGRESS_START);
1156
1157            if (value < PROGRESS_END) {
1158                showProgressBars(horizontalProgressBar, circularProgressBar);
1159            } else {
1160                hideProgressBars(horizontalProgressBar, circularProgressBar);
1161            }
1162        } else if (PROGRESS_SECONDARY_START <= value && value <= PROGRESS_SECONDARY_END) {
1163            horizontalProgressBar.setSecondaryProgress(value - PROGRESS_SECONDARY_START);
1164
1165            showProgressBars(horizontalProgressBar, circularProgressBar);
1166        }
1167
1168    }
1169
1170    private void showProgressBars(ProgressBar horizontalProgressBar, ProgressBar spinnyProgressBar) {
1171        final int features = getLocalFeatures();
1172        if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0 &&
1173                spinnyProgressBar.getVisibility() == View.INVISIBLE) {
1174            spinnyProgressBar.setVisibility(View.VISIBLE);
1175        }
1176        // Only show the progress bars if the primary progress is not complete
1177        if ((features & (1 << FEATURE_PROGRESS)) != 0 &&
1178                horizontalProgressBar.getProgress() < 10000) {
1179            horizontalProgressBar.setVisibility(View.VISIBLE);
1180        }
1181    }
1182
1183    private void hideProgressBars(ProgressBar horizontalProgressBar, ProgressBar spinnyProgressBar) {
1184        final int features = getLocalFeatures();
1185        Animation anim = AnimationUtils.loadAnimation(getContext(), com.android.internal.R.anim.fade_out);
1186        anim.setDuration(1000);
1187        if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0 &&
1188                spinnyProgressBar.getVisibility() == View.VISIBLE) {
1189            spinnyProgressBar.startAnimation(anim);
1190            spinnyProgressBar.setVisibility(View.INVISIBLE);
1191        }
1192        if ((features & (1 << FEATURE_PROGRESS)) != 0 &&
1193                horizontalProgressBar.getVisibility() == View.VISIBLE) {
1194            horizontalProgressBar.startAnimation(anim);
1195            horizontalProgressBar.setVisibility(View.INVISIBLE);
1196        }
1197    }
1198
1199    /**
1200     * Request that key events come to this activity. Use this if your activity
1201     * has no views with focus, but the activity still wants a chance to process
1202     * key events.
1203     */
1204    @Override
1205    public void takeKeyEvents(boolean get) {
1206        mDecor.setFocusable(get);
1207    }
1208
1209    @Override
1210    public boolean superDispatchKeyEvent(KeyEvent event) {
1211        return mDecor.superDispatchKeyEvent(event);
1212    }
1213
1214    @Override
1215    public boolean superDispatchTouchEvent(MotionEvent event) {
1216        return mDecor.superDispatchTouchEvent(event);
1217    }
1218
1219    @Override
1220    public boolean superDispatchTrackballEvent(MotionEvent event) {
1221        return mDecor.superDispatchTrackballEvent(event);
1222    }
1223
1224    /**
1225     * A key was pressed down and not handled by anything else in the window.
1226     *
1227     * @see #onKeyUp
1228     * @see android.view.KeyEvent
1229     */
1230    protected boolean onKeyDown(int featureId, int keyCode, KeyEvent event) {
1231        final KeyEvent.DispatcherState dispatcher =
1232                mDecor != null ? mDecor.getKeyDispatcherState() : null;
1233        //Log.i(TAG, "Key down: repeat=" + event.getRepeatCount()
1234        //        + " flags=0x" + Integer.toHexString(event.getFlags()));
1235
1236        switch (keyCode) {
1237            case KeyEvent.KEYCODE_VOLUME_UP:
1238            case KeyEvent.KEYCODE_VOLUME_DOWN: {
1239                AudioManager audioManager = (AudioManager) getContext().getSystemService(
1240                        Context.AUDIO_SERVICE);
1241                if (audioManager != null) {
1242                    /*
1243                     * Adjust the volume in on key down since it is more
1244                     * responsive to the user.
1245                     */
1246                    audioManager.adjustSuggestedStreamVolume(
1247                            keyCode == KeyEvent.KEYCODE_VOLUME_UP
1248                                    ? AudioManager.ADJUST_RAISE
1249                                    : AudioManager.ADJUST_LOWER,
1250                            mVolumeControlStreamType,
1251                            AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_VIBRATE);
1252                }
1253                return true;
1254            }
1255
1256
1257            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
1258                /* Suppress PLAYPAUSE toggle when phone is ringing or in-call
1259                 * to avoid music playback */
1260                if (mTelephonyManager == null) {
1261                    mTelephonyManager = (TelephonyManager) getContext().getSystemService(
1262                            Context.TELEPHONY_SERVICE);
1263                }
1264                if (mTelephonyManager != null &&
1265                        mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) {
1266                    return true;  // suppress key event
1267                }
1268            case KeyEvent.KEYCODE_MUTE:
1269            case KeyEvent.KEYCODE_HEADSETHOOK:
1270            case KeyEvent.KEYCODE_MEDIA_STOP:
1271            case KeyEvent.KEYCODE_MEDIA_NEXT:
1272            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
1273            case KeyEvent.KEYCODE_MEDIA_REWIND:
1274            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: {
1275                Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON, null);
1276                intent.putExtra(Intent.EXTRA_KEY_EVENT, event);
1277                getContext().sendOrderedBroadcast(intent, null);
1278                return true;
1279            }
1280
1281            case KeyEvent.KEYCODE_CAMERA: {
1282                if (getKeyguardManager().inKeyguardRestrictedInputMode()
1283                        || dispatcher == null) {
1284                    break;
1285                }
1286                if (event.getRepeatCount() == 0) {
1287                    dispatcher.startTracking(event, this);
1288                } else if (event.isLongPress() && dispatcher.isTracking(event)) {
1289                    dispatcher.performedLongPress(event);
1290                    mDecor.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
1291                    sendCloseSystemWindows();
1292                    // Broadcast an intent that the Camera button was longpressed
1293                    Intent intent = new Intent(Intent.ACTION_CAMERA_BUTTON, null);
1294                    intent.putExtra(Intent.EXTRA_KEY_EVENT, event);
1295                    getContext().sendOrderedBroadcast(intent, null);
1296                }
1297                return true;
1298            }
1299
1300            case KeyEvent.KEYCODE_MENU: {
1301                onKeyDownPanel((featureId < 0) ? FEATURE_OPTIONS_PANEL : featureId, event);
1302                return true;
1303            }
1304
1305            case KeyEvent.KEYCODE_BACK: {
1306                if (event.getRepeatCount() > 0) break;
1307                if (featureId < 0) break;
1308                // Currently don't do anything with long press.
1309                dispatcher.startTracking(event, this);
1310                return true;
1311            }
1312
1313            case KeyEvent.KEYCODE_CALL: {
1314                if (getKeyguardManager().inKeyguardRestrictedInputMode()
1315                        || dispatcher == null) {
1316                    break;
1317                }
1318                if (event.getRepeatCount() == 0) {
1319                    dispatcher.startTracking(event, this);
1320                } else if (event.isLongPress() && dispatcher.isTracking(event)) {
1321                    dispatcher.performedLongPress(event);
1322                    mDecor.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
1323                    // launch the VoiceDialer
1324                    Intent intent = new Intent(Intent.ACTION_VOICE_COMMAND);
1325                    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1326                    try {
1327                        sendCloseSystemWindows();
1328                        getContext().startActivity(intent);
1329                    } catch (ActivityNotFoundException e) {
1330                        startCallActivity();
1331                    }
1332                }
1333                return true;
1334            }
1335
1336            case KeyEvent.KEYCODE_SEARCH: {
1337                if (getKeyguardManager().inKeyguardRestrictedInputMode()
1338                        || dispatcher == null) {
1339                    break;
1340                }
1341                if (event.getRepeatCount() == 0) {
1342                    dispatcher.startTracking(event, this);
1343                } else if (event.isLongPress() && dispatcher.isTracking(event)) {
1344                    Configuration config = getContext().getResources().getConfiguration();
1345                    if (config.keyboard == Configuration.KEYBOARD_NOKEYS
1346                            || config.hardKeyboardHidden
1347                                    == Configuration.HARDKEYBOARDHIDDEN_YES) {
1348                        // launch the search activity
1349                        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
1350                        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1351                        try {
1352                            mDecor.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
1353                            sendCloseSystemWindows();
1354                            getSearchManager().stopSearch();
1355                            getContext().startActivity(intent);
1356                            // Only clear this if we successfully start the
1357                            // activity; otherwise we will allow the normal short
1358                            // press action to be performed.
1359                            dispatcher.performedLongPress(event);
1360                            return true;
1361                        } catch (ActivityNotFoundException e) {
1362                            // Ignore
1363                        }
1364                    }
1365                }
1366                break;
1367            }
1368        }
1369
1370        return false;
1371    }
1372
1373    /**
1374     * @return A handle to the keyguard manager.
1375     */
1376    private KeyguardManager getKeyguardManager() {
1377        if (mKeyguardManager == null) {
1378            mKeyguardManager = (KeyguardManager) getContext().getSystemService(Context.KEYGUARD_SERVICE);
1379        }
1380        return mKeyguardManager;
1381    }
1382
1383    /**
1384     * @return A handle to the search manager.
1385     */
1386    private SearchManager getSearchManager() {
1387        if (mSearchManager == null) {
1388            mSearchManager = (SearchManager) getContext().getSystemService(Context.SEARCH_SERVICE);
1389        }
1390        return mSearchManager;
1391    }
1392
1393    /**
1394     * A key was released and not handled by anything else in the window.
1395     *
1396     * @see #onKeyDown
1397     * @see android.view.KeyEvent
1398     */
1399    protected boolean onKeyUp(int featureId, int keyCode, KeyEvent event) {
1400        final KeyEvent.DispatcherState dispatcher =
1401                mDecor != null ? mDecor.getKeyDispatcherState() : null;
1402        if (dispatcher != null) {
1403            dispatcher.handleUpEvent(event);
1404        }
1405        //Log.i(TAG, "Key up: repeat=" + event.getRepeatCount()
1406        //        + " flags=0x" + Integer.toHexString(event.getFlags()));
1407
1408        switch (keyCode) {
1409            case KeyEvent.KEYCODE_VOLUME_UP:
1410            case KeyEvent.KEYCODE_VOLUME_DOWN: {
1411                if (!event.isCanceled()) {
1412                    AudioManager audioManager = (AudioManager) getContext().getSystemService(
1413                            Context.AUDIO_SERVICE);
1414                    if (audioManager != null) {
1415                        /*
1416                         * Play a sound. This is done on key up since we don't want the
1417                         * sound to play when a user holds down volume down to mute.
1418                         */
1419                        audioManager.adjustSuggestedStreamVolume(
1420                                AudioManager.ADJUST_SAME,
1421                                mVolumeControlStreamType,
1422                                AudioManager.FLAG_PLAY_SOUND);
1423                        mVolumeKeyUpTime = SystemClock.uptimeMillis();
1424                    }
1425                }
1426                return true;
1427            }
1428
1429            case KeyEvent.KEYCODE_MENU: {
1430                onKeyUpPanel(featureId < 0 ? FEATURE_OPTIONS_PANEL : featureId,
1431                        event);
1432                return true;
1433            }
1434
1435            case KeyEvent.KEYCODE_BACK: {
1436                if (featureId < 0) break;
1437                if (event.isTracking() && !event.isCanceled()) {
1438                    if (featureId == FEATURE_OPTIONS_PANEL) {
1439                        PanelFeatureState st = getPanelState(featureId, false);
1440                        if (st != null && st.isInExpandedMode) {
1441                            // If the user is in an expanded menu and hits back, it
1442                            // should go back to the icon menu
1443                            reopenMenu(true);
1444                            return true;
1445                        }
1446                    }
1447                    closePanel(featureId);
1448                    return true;
1449                }
1450                break;
1451            }
1452
1453            case KeyEvent.KEYCODE_HEADSETHOOK:
1454            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
1455            case KeyEvent.KEYCODE_MEDIA_STOP:
1456            case KeyEvent.KEYCODE_MEDIA_NEXT:
1457            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
1458            case KeyEvent.KEYCODE_MEDIA_REWIND:
1459            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: {
1460                Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON, null);
1461                intent.putExtra(Intent.EXTRA_KEY_EVENT, event);
1462                getContext().sendOrderedBroadcast(intent, null);
1463                return true;
1464            }
1465
1466            case KeyEvent.KEYCODE_CAMERA: {
1467                if (getKeyguardManager().inKeyguardRestrictedInputMode()) {
1468                    break;
1469                }
1470                if (event.isTracking() && !event.isCanceled()) {
1471                    // Add short press behavior here if desired
1472                }
1473                return true;
1474            }
1475
1476            case KeyEvent.KEYCODE_CALL: {
1477                if (getKeyguardManager().inKeyguardRestrictedInputMode()) {
1478                    break;
1479                }
1480                if (event.isTracking() && !event.isCanceled()) {
1481                    startCallActivity();
1482                }
1483                return true;
1484            }
1485
1486            case KeyEvent.KEYCODE_SEARCH: {
1487                /*
1488                 * Do this in onKeyUp since the Search key is also used for
1489                 * chording quick launch shortcuts.
1490                 */
1491                if (getKeyguardManager().inKeyguardRestrictedInputMode()) {
1492                    break;
1493                }
1494                if (event.isTracking() && !event.isCanceled()) {
1495                    launchDefaultSearch();
1496                }
1497                return true;
1498            }
1499        }
1500
1501        return false;
1502    }
1503
1504    private void startCallActivity() {
1505        sendCloseSystemWindows();
1506        Intent intent = new Intent(Intent.ACTION_CALL_BUTTON);
1507        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1508        try {
1509            getContext().startActivity(intent);
1510        } catch (ActivityNotFoundException e) {
1511            Log.w(TAG, "No activity found for android.intent.action.CALL_BUTTON.");
1512        }
1513    }
1514
1515    @Override
1516    protected void onActive() {
1517    }
1518
1519    @Override
1520    public final View getDecorView() {
1521        if (mDecor == null) {
1522            installDecor();
1523        }
1524        return mDecor;
1525    }
1526
1527    @Override
1528    public final View peekDecorView() {
1529        return mDecor;
1530    }
1531
1532    static private final String FOCUSED_ID_TAG = "android:focusedViewId";
1533    static private final String VIEWS_TAG = "android:views";
1534    static private final String PANELS_TAG = "android:Panels";
1535    static private final String ACTION_BAR_TAG = "android:ActionBar";
1536
1537    /** {@inheritDoc} */
1538    @Override
1539    public Bundle saveHierarchyState() {
1540        Bundle outState = new Bundle();
1541        if (mContentParent == null) {
1542            return outState;
1543        }
1544
1545        SparseArray<Parcelable> states = new SparseArray<Parcelable>();
1546        mContentParent.saveHierarchyState(states);
1547        outState.putSparseParcelableArray(VIEWS_TAG, states);
1548
1549        // save the focused view id
1550        View focusedView = mContentParent.findFocus();
1551        if (focusedView != null) {
1552            if (focusedView.getId() != View.NO_ID) {
1553                outState.putInt(FOCUSED_ID_TAG, focusedView.getId());
1554            } else {
1555                if (Config.LOGD) {
1556                    Log.d(TAG, "couldn't save which view has focus because the focused view "
1557                            + focusedView + " has no id.");
1558                }
1559            }
1560        }
1561
1562        // save the panels
1563        SparseArray<Parcelable> panelStates = new SparseArray<Parcelable>();
1564        savePanelState(panelStates);
1565        if (panelStates.size() > 0) {
1566            outState.putSparseParcelableArray(PANELS_TAG, panelStates);
1567        }
1568
1569        if (mActionBar != null) {
1570            outState.putBoolean(ACTION_BAR_TAG, mActionBar.isOverflowMenuShowing());
1571        }
1572
1573        return outState;
1574    }
1575
1576    /** {@inheritDoc} */
1577    @Override
1578    public void restoreHierarchyState(Bundle savedInstanceState) {
1579        if (mContentParent == null) {
1580            return;
1581        }
1582
1583        SparseArray<Parcelable> savedStates
1584                = savedInstanceState.getSparseParcelableArray(VIEWS_TAG);
1585        if (savedStates != null) {
1586            mContentParent.restoreHierarchyState(savedStates);
1587        }
1588
1589        // restore the focused view
1590        int focusedViewId = savedInstanceState.getInt(FOCUSED_ID_TAG, View.NO_ID);
1591        if (focusedViewId != View.NO_ID) {
1592            View needsFocus = mContentParent.findViewById(focusedViewId);
1593            if (needsFocus != null) {
1594                needsFocus.requestFocus();
1595            } else {
1596                Log.w(TAG,
1597                        "Previously focused view reported id " + focusedViewId
1598                                + " during save, but can't be found during restore.");
1599            }
1600        }
1601
1602        // restore the panels
1603        SparseArray<Parcelable> panelStates = savedInstanceState.getSparseParcelableArray(PANELS_TAG);
1604        if (panelStates != null) {
1605            restorePanelState(panelStates);
1606        }
1607
1608        if (mActionBar != null && savedInstanceState.getBoolean(ACTION_BAR_TAG)) {
1609            mActionBar.postShowOverflowMenu();
1610        }
1611    }
1612
1613    /**
1614     * Invoked when the panels should freeze their state.
1615     *
1616     * @param icicles Save state into this. This is usually indexed by the
1617     *            featureId. This will be given to {@link #restorePanelState} in the
1618     *            future.
1619     */
1620    private void savePanelState(SparseArray<Parcelable> icicles) {
1621        PanelFeatureState[] panels = mPanels;
1622        if (panels == null) {
1623            return;
1624        }
1625
1626        for (int curFeatureId = panels.length - 1; curFeatureId >= 0; curFeatureId--) {
1627            if (panels[curFeatureId] != null) {
1628                icicles.put(curFeatureId, panels[curFeatureId].onSaveInstanceState());
1629            }
1630        }
1631    }
1632
1633    /**
1634     * Invoked when the panels should thaw their state from a previously frozen state.
1635     *
1636     * @param icicles The state saved by {@link #savePanelState} that needs to be thawed.
1637     */
1638    private void restorePanelState(SparseArray<Parcelable> icicles) {
1639        PanelFeatureState st;
1640        for (int curFeatureId = icicles.size() - 1; curFeatureId >= 0; curFeatureId--) {
1641            st = getPanelState(curFeatureId, false /* required */);
1642            if (st == null) {
1643                // The panel must not have been required, and is currently not around, skip it
1644                continue;
1645            }
1646
1647            st.onRestoreInstanceState(icicles.get(curFeatureId));
1648        }
1649
1650        /*
1651         * Implementation note: call openPanelsAfterRestore later to actually open the
1652         * restored panels.
1653         */
1654    }
1655
1656    /**
1657     * Opens the panels that have had their state restored. This should be
1658     * called sometime after {@link #restorePanelState} when it is safe to add
1659     * to the window manager.
1660     */
1661    private void openPanelsAfterRestore() {
1662        PanelFeatureState[] panels = mPanels;
1663
1664        if (panels == null) {
1665            return;
1666        }
1667
1668        PanelFeatureState st;
1669        for (int i = panels.length - 1; i >= 0; i--) {
1670            st = panels[i];
1671            // We restore the panel if it was last open; we skip it if it
1672            // now is open, to avoid a race condition if the user immediately
1673            // opens it when we are resuming.
1674            if ((st != null) && !st.isOpen && st.wasLastOpen) {
1675                st.isInExpandedMode = st.wasLastExpanded;
1676                openPanel(st, null);
1677            }
1678        }
1679    }
1680
1681    private final class DecorView extends FrameLayout implements RootViewSurfaceTaker {
1682        /* package */int mDefaultOpacity = PixelFormat.OPAQUE;
1683
1684        /** The feature ID of the panel, or -1 if this is the application's DecorView */
1685        private final int mFeatureId;
1686
1687        private final Rect mDrawingBounds = new Rect();
1688
1689        private final Rect mBackgroundPadding = new Rect();
1690
1691        private final Rect mFramePadding = new Rect();
1692
1693        private final Rect mFrameOffsets = new Rect();
1694
1695        private boolean mChanging;
1696
1697        private Drawable mMenuBackground;
1698        private boolean mWatchingForMenu;
1699        private int mDownY;
1700
1701        private ActionMode mActionMode;
1702        private ActionBarContextView mActionModeView;
1703
1704        public DecorView(Context context, int featureId) {
1705            super(context);
1706            mFeatureId = featureId;
1707        }
1708
1709        @Override
1710        public boolean dispatchKeyEvent(KeyEvent event) {
1711            final int keyCode = event.getKeyCode();
1712            final int action = event.getAction();
1713            final boolean isDown = action == KeyEvent.ACTION_DOWN;
1714
1715            /*
1716             * If the user hits another key within the play sound delay, then
1717             * cancel the sound
1718             */
1719            if (keyCode != KeyEvent.KEYCODE_VOLUME_DOWN && keyCode != KeyEvent.KEYCODE_VOLUME_UP
1720                    && mVolumeKeyUpTime + VolumePanel.PLAY_SOUND_DELAY
1721                            > SystemClock.uptimeMillis()) {
1722                /*
1723                 * The user has hit another key during the delay (e.g., 300ms)
1724                 * since the last volume key up, so cancel any sounds.
1725                 */
1726                AudioManager audioManager = (AudioManager) getContext().getSystemService(
1727                        Context.AUDIO_SERVICE);
1728                if (audioManager != null) {
1729                    audioManager.adjustSuggestedStreamVolume(AudioManager.ADJUST_SAME,
1730                            mVolumeControlStreamType, AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE);
1731                }
1732            }
1733
1734            if (isDown && (event.getRepeatCount() == 0)) {
1735                // First handle chording of panel key: if a panel key is held
1736                // but not released, try to execute a shortcut in it.
1737                if ((mPanelChordingKey > 0) && (mPanelChordingKey != keyCode)) {
1738                    // Perform the shortcut (mPreparedPanel can be null since
1739                    // global shortcuts (such as search) don't rely on a
1740                    // prepared panel or menu).
1741                    boolean handled = performPanelShortcut(mPreparedPanel, keyCode, event,
1742                            Menu.FLAG_PERFORM_NO_CLOSE);
1743
1744                    if (!handled) {
1745                        /*
1746                         * If not handled, then pass it to the view hierarchy
1747                         * and anyone else that may be interested.
1748                         */
1749                        handled = dispatchKeyShortcutEvent(event);
1750
1751                        if (handled && mPreparedPanel != null) {
1752                            mPreparedPanel.isHandled = true;
1753                        }
1754                    }
1755
1756                    if (handled) {
1757                        return true;
1758                    }
1759                }
1760
1761                // If a panel is open, perform a shortcut on it without the
1762                // chorded panel key
1763                if ((mPreparedPanel != null) && mPreparedPanel.isOpen) {
1764                    if (performPanelShortcut(mPreparedPanel, keyCode, event, 0)) {
1765                        return true;
1766                    }
1767                }
1768            }
1769
1770            // Back cancels action modes first.
1771            if (mActionMode != null && keyCode == KeyEvent.KEYCODE_BACK) {
1772                if (action == KeyEvent.ACTION_UP) {
1773                    mActionMode.finish();
1774                }
1775                return true;
1776            }
1777
1778            final Callback cb = getCallback();
1779            final boolean handled = cb != null && mFeatureId < 0 ? cb.dispatchKeyEvent(event)
1780                    : super.dispatchKeyEvent(event);
1781            if (handled) {
1782                return true;
1783            }
1784            return isDown ? PhoneWindow.this.onKeyDown(mFeatureId, event.getKeyCode(), event)
1785                    : PhoneWindow.this.onKeyUp(mFeatureId, event.getKeyCode(), event);
1786        }
1787
1788        @Override
1789        public boolean dispatchTouchEvent(MotionEvent ev) {
1790            final Callback cb = getCallback();
1791            return cb != null && mFeatureId < 0 ? cb.dispatchTouchEvent(ev) : super
1792                    .dispatchTouchEvent(ev);
1793        }
1794
1795        @Override
1796        public boolean dispatchTrackballEvent(MotionEvent ev) {
1797            final Callback cb = getCallback();
1798            return cb != null && mFeatureId < 0 ? cb.dispatchTrackballEvent(ev) : super
1799                    .dispatchTrackballEvent(ev);
1800        }
1801
1802        public boolean superDispatchKeyEvent(KeyEvent event) {
1803            return super.dispatchKeyEvent(event);
1804        }
1805
1806        public boolean superDispatchTouchEvent(MotionEvent event) {
1807            return super.dispatchTouchEvent(event);
1808        }
1809
1810        public boolean superDispatchTrackballEvent(MotionEvent event) {
1811            return super.dispatchTrackballEvent(event);
1812        }
1813
1814        @Override
1815        public boolean onTouchEvent(MotionEvent event) {
1816            return onInterceptTouchEvent(event);
1817        }
1818
1819        private boolean isOutOfBounds(int x, int y) {
1820            return x < -5 || y < -5 || x > (getWidth() + 5)
1821                    || y > (getHeight() + 5);
1822        }
1823
1824        @Override
1825        public boolean onInterceptTouchEvent(MotionEvent event) {
1826            int action = event.getAction();
1827            if (mFeatureId >= 0) {
1828                if (action == MotionEvent.ACTION_DOWN) {
1829                    int x = (int)event.getX();
1830                    int y = (int)event.getY();
1831                    if (isOutOfBounds(x, y)) {
1832                        closePanel(mFeatureId);
1833                        return true;
1834                    }
1835                }
1836            }
1837
1838            if (!SWEEP_OPEN_MENU) {
1839                return false;
1840            }
1841
1842            if (mFeatureId >= 0) {
1843                if (action == MotionEvent.ACTION_DOWN) {
1844                    Log.i(TAG, "Watchiing!");
1845                    mWatchingForMenu = true;
1846                    mDownY = (int) event.getY();
1847                    return false;
1848                }
1849
1850                if (!mWatchingForMenu) {
1851                    return false;
1852                }
1853
1854                int y = (int)event.getY();
1855                if (action == MotionEvent.ACTION_MOVE) {
1856                    if (y > (mDownY+30)) {
1857                        Log.i(TAG, "Closing!");
1858                        closePanel(mFeatureId);
1859                        mWatchingForMenu = false;
1860                        return true;
1861                    }
1862                } else if (action == MotionEvent.ACTION_UP) {
1863                    mWatchingForMenu = false;
1864                }
1865
1866                return false;
1867            }
1868
1869            //Log.i(TAG, "Intercept: action=" + action + " y=" + event.getY()
1870            //        + " (in " + getHeight() + ")");
1871
1872            if (action == MotionEvent.ACTION_DOWN) {
1873                int y = (int)event.getY();
1874                if (y >= (getHeight()-5) && !hasChildren()) {
1875                    Log.i(TAG, "Watchiing!");
1876                    mWatchingForMenu = true;
1877                }
1878                return false;
1879            }
1880
1881            if (!mWatchingForMenu) {
1882                return false;
1883            }
1884
1885            int y = (int)event.getY();
1886            if (action == MotionEvent.ACTION_MOVE) {
1887                if (y < (getHeight()-30)) {
1888                    Log.i(TAG, "Opening!");
1889                    openPanel(FEATURE_OPTIONS_PANEL, new KeyEvent(
1890                            KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU));
1891                    mWatchingForMenu = false;
1892                    return true;
1893                }
1894            } else if (action == MotionEvent.ACTION_UP) {
1895                mWatchingForMenu = false;
1896            }
1897
1898            return false;
1899        }
1900
1901        @Override
1902        public void sendAccessibilityEvent(int eventType) {
1903            if (!AccessibilityManager.getInstance(mContext).isEnabled()) {
1904                return;
1905            }
1906
1907            // if we are showing a feature that should be announced and one child
1908            // make this child the event source since this is the feature itself
1909            // otherwise the callback will take over and announce its client
1910            if ((mFeatureId == FEATURE_OPTIONS_PANEL ||
1911                    mFeatureId == FEATURE_CONTEXT_MENU ||
1912                    mFeatureId == FEATURE_PROGRESS ||
1913                    mFeatureId == FEATURE_INDETERMINATE_PROGRESS)
1914                    && getChildCount() == 1) {
1915                getChildAt(0).sendAccessibilityEvent(eventType);
1916            } else {
1917                super.sendAccessibilityEvent(eventType);
1918            }
1919        }
1920
1921        @Override
1922        public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
1923            final Callback cb = getCallback();
1924            if (cb != null) {
1925                if (cb.dispatchPopulateAccessibilityEvent(event)) {
1926                    return true;
1927                }
1928            }
1929            return super.dispatchPopulateAccessibilityEvent(event);
1930        }
1931
1932        @Override
1933        protected boolean setFrame(int l, int t, int r, int b) {
1934            boolean changed = super.setFrame(l, t, r, b);
1935            if (changed) {
1936                final Rect drawingBounds = mDrawingBounds;
1937                getDrawingRect(drawingBounds);
1938
1939                Drawable fg = getForeground();
1940                if (fg != null) {
1941                    final Rect frameOffsets = mFrameOffsets;
1942                    drawingBounds.left += frameOffsets.left;
1943                    drawingBounds.top += frameOffsets.top;
1944                    drawingBounds.right -= frameOffsets.right;
1945                    drawingBounds.bottom -= frameOffsets.bottom;
1946                    fg.setBounds(drawingBounds);
1947                    final Rect framePadding = mFramePadding;
1948                    drawingBounds.left += framePadding.left - frameOffsets.left;
1949                    drawingBounds.top += framePadding.top - frameOffsets.top;
1950                    drawingBounds.right -= framePadding.right - frameOffsets.right;
1951                    drawingBounds.bottom -= framePadding.bottom - frameOffsets.bottom;
1952                }
1953
1954                Drawable bg = getBackground();
1955                if (bg != null) {
1956                    bg.setBounds(drawingBounds);
1957                }
1958
1959                if (SWEEP_OPEN_MENU) {
1960                    if (mMenuBackground == null && mFeatureId < 0
1961                            && getAttributes().height
1962                            == WindowManager.LayoutParams.MATCH_PARENT) {
1963                        mMenuBackground = getContext().getResources().getDrawable(
1964                                com.android.internal.R.drawable.menu_background);
1965                    }
1966                    if (mMenuBackground != null) {
1967                        mMenuBackground.setBounds(drawingBounds.left,
1968                                drawingBounds.bottom-6, drawingBounds.right,
1969                                drawingBounds.bottom+20);
1970                    }
1971                }
1972            }
1973            return changed;
1974        }
1975
1976        @Override
1977        public void draw(Canvas canvas) {
1978            super.draw(canvas);
1979
1980            if (mMenuBackground != null) {
1981                mMenuBackground.draw(canvas);
1982            }
1983        }
1984
1985
1986        @Override
1987        public boolean showContextMenuForChild(View originalView) {
1988            // Reuse the context menu builder
1989            if (mContextMenu == null) {
1990                mContextMenu = new ContextMenuBuilder(getContext());
1991                mContextMenu.setCallback(mContextMenuCallback);
1992            } else {
1993                mContextMenu.clearAll();
1994            }
1995
1996            mContextMenuHelper = mContextMenu.show(originalView, originalView.getWindowToken());
1997            return mContextMenuHelper != null;
1998        }
1999
2000        @Override
2001        public ActionMode startActionModeForChild(View originalView,
2002                ActionMode.Callback callback) {
2003            // originalView can be used here to be sure that we don't obscure
2004            // relevant content with the context mode UI.
2005            return startActionMode(callback);
2006        }
2007
2008        @Override
2009        public ActionMode startActionMode(ActionMode.Callback callback) {
2010            if (mActionMode != null) {
2011                mActionMode.finish();
2012            }
2013
2014            final ActionMode.Callback wrappedCallback = new ActionModeCallbackWrapper(callback);
2015            ActionMode mode = getCallback().onStartActionMode(wrappedCallback);
2016            if (mode != null) {
2017                mActionMode = mode;
2018            } else {
2019                if (mActionModeView == null) {
2020                    if (hasFeature(FEATURE_ACTION_MODE_OVERLAY)) {
2021                        mActionModeView = new ActionBarContextView(mContext);
2022                        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
2023                                MATCH_PARENT, WRAP_CONTENT);
2024                        addView(mActionModeView, params);
2025                    } else {
2026                        ViewStub stub = (ViewStub) findViewById(
2027                                com.android.internal.R.id.action_mode_bar_stub);
2028                        if (stub != null) {
2029                            mActionModeView = (ActionBarContextView) stub.inflate();
2030                        }
2031                    }
2032                }
2033
2034                if (mActionModeView != null) {
2035                    mode = new StandaloneActionMode(getContext(), mActionModeView, wrappedCallback);
2036                    if (callback.onCreateActionMode(mode, mode.getMenu())) {
2037                        mode.invalidate();
2038                        mActionModeView.initForMode(mode);
2039                        mActionModeView.setVisibility(View.VISIBLE);
2040                        mActionMode = mode;
2041                    } else {
2042                        mActionMode = null;
2043                    }
2044                }
2045            }
2046            return mActionMode;
2047        }
2048
2049        public void startChanging() {
2050            mChanging = true;
2051        }
2052
2053        public void finishChanging() {
2054            mChanging = false;
2055            drawableChanged();
2056        }
2057
2058        public void setWindowBackground(Drawable drawable) {
2059            if (getBackground() != drawable) {
2060                setBackgroundDrawable(drawable);
2061                if (drawable != null) {
2062                    drawable.getPadding(mBackgroundPadding);
2063                } else {
2064                    mBackgroundPadding.setEmpty();
2065                }
2066                drawableChanged();
2067            }
2068        }
2069
2070        public void setWindowFrame(Drawable drawable) {
2071            if (getForeground() != drawable) {
2072                setForeground(drawable);
2073                if (drawable != null) {
2074                    drawable.getPadding(mFramePadding);
2075                } else {
2076                    mFramePadding.setEmpty();
2077                }
2078                drawableChanged();
2079            }
2080        }
2081
2082        @Override
2083        protected boolean fitSystemWindows(Rect insets) {
2084            mFrameOffsets.set(insets);
2085            if (getForeground() != null) {
2086                drawableChanged();
2087            }
2088            return super.fitSystemWindows(insets);
2089        }
2090
2091        private void drawableChanged() {
2092            if (mChanging) {
2093                return;
2094            }
2095
2096            setPadding(mFramePadding.left + mBackgroundPadding.left, mFramePadding.top
2097                    + mBackgroundPadding.top, mFramePadding.right + mBackgroundPadding.right,
2098                    mFramePadding.bottom + mBackgroundPadding.bottom);
2099            requestLayout();
2100            invalidate();
2101
2102            int opacity = PixelFormat.OPAQUE;
2103
2104            // Note: if there is no background, we will assume opaque. The
2105            // common case seems to be that an application sets there to be
2106            // no background so it can draw everything itself. For that,
2107            // we would like to assume OPAQUE and let the app force it to
2108            // the slower TRANSLUCENT mode if that is really what it wants.
2109            Drawable bg = getBackground();
2110            Drawable fg = getForeground();
2111            if (bg != null) {
2112                if (fg == null) {
2113                    opacity = bg.getOpacity();
2114                } else if (mFramePadding.left <= 0 && mFramePadding.top <= 0
2115                        && mFramePadding.right <= 0 && mFramePadding.bottom <= 0) {
2116                    // If the frame padding is zero, then we can be opaque
2117                    // if either the frame -or- the background is opaque.
2118                    int fop = fg.getOpacity();
2119                    int bop = bg.getOpacity();
2120                    if (Config.LOGV)
2121                        Log.v(TAG, "Background opacity: " + bop + ", Frame opacity: " + fop);
2122                    if (fop == PixelFormat.OPAQUE || bop == PixelFormat.OPAQUE) {
2123                        opacity = PixelFormat.OPAQUE;
2124                    } else if (fop == PixelFormat.UNKNOWN) {
2125                        opacity = bop;
2126                    } else if (bop == PixelFormat.UNKNOWN) {
2127                        opacity = fop;
2128                    } else {
2129                        opacity = Drawable.resolveOpacity(fop, bop);
2130                    }
2131                } else {
2132                    // For now we have to assume translucent if there is a
2133                    // frame with padding... there is no way to tell if the
2134                    // frame and background together will draw all pixels.
2135                    if (Config.LOGV)
2136                        Log.v(TAG, "Padding: " + mFramePadding);
2137                    opacity = PixelFormat.TRANSLUCENT;
2138                }
2139            }
2140
2141            if (Config.LOGV)
2142                Log.v(TAG, "Background: " + bg + ", Frame: " + fg);
2143            if (Config.LOGV)
2144                Log.v(TAG, "Selected default opacity: " + opacity);
2145
2146            mDefaultOpacity = opacity;
2147            if (mFeatureId < 0) {
2148                setDefaultWindowFormat(opacity);
2149            }
2150        }
2151
2152        @Override
2153        public void onWindowFocusChanged(boolean hasWindowFocus) {
2154            super.onWindowFocusChanged(hasWindowFocus);
2155
2156            mPanelMayLongPress = false;
2157
2158            // If the user is chording a menu shortcut, release the chord since
2159            // this window lost focus
2160            if (!hasWindowFocus && mPanelChordingKey != 0) {
2161                closePanel(FEATURE_OPTIONS_PANEL);
2162            }
2163
2164            final Callback cb = getCallback();
2165            if (cb != null && mFeatureId < 0) {
2166                cb.onWindowFocusChanged(hasWindowFocus);
2167            }
2168        }
2169
2170        @Override
2171        protected void onAttachedToWindow() {
2172            super.onAttachedToWindow();
2173
2174            final Callback cb = getCallback();
2175            if (cb != null && mFeatureId < 0) {
2176                cb.onAttachedToWindow();
2177            }
2178
2179            if (mFeatureId == -1) {
2180                /*
2181                 * The main window has been attached, try to restore any panels
2182                 * that may have been open before. This is called in cases where
2183                 * an activity is being killed for configuration change and the
2184                 * menu was open. When the activity is recreated, the menu
2185                 * should be shown again.
2186                 */
2187                openPanelsAfterRestore();
2188            }
2189        }
2190
2191        @Override
2192        protected void onDetachedFromWindow() {
2193            super.onDetachedFromWindow();
2194
2195            final Callback cb = getCallback();
2196            if (cb != null && mFeatureId < 0) {
2197                cb.onDetachedFromWindow();
2198            }
2199        }
2200
2201        @Override
2202        public void onCloseSystemDialogs(String reason) {
2203            if (mFeatureId >= 0) {
2204                closeAllPanels();
2205            }
2206        }
2207
2208        public android.view.SurfaceHolder.Callback2 willYouTakeTheSurface() {
2209            return mFeatureId < 0 ? mTakeSurfaceCallback : null;
2210        }
2211
2212        public InputQueue.Callback willYouTakeTheInputQueue() {
2213            return mFeatureId < 0 ? mTakeInputQueueCallback : null;
2214        }
2215
2216        public void setSurfaceType(int type) {
2217            PhoneWindow.this.setType(type);
2218        }
2219
2220        public void setSurfaceFormat(int format) {
2221            PhoneWindow.this.setFormat(format);
2222        }
2223
2224        public void setSurfaceKeepScreenOn(boolean keepOn) {
2225            if (keepOn) PhoneWindow.this.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2226            else PhoneWindow.this.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2227        }
2228
2229        /**
2230         * Clears out internal reference when the action mode is destroyed.
2231         */
2232        private class ActionModeCallbackWrapper implements ActionMode.Callback {
2233            private ActionMode.Callback mWrapped;
2234
2235            public ActionModeCallbackWrapper(ActionMode.Callback wrapped) {
2236                mWrapped = wrapped;
2237            }
2238
2239            public boolean onCreateActionMode(ActionMode mode, Menu menu) {
2240                return mWrapped.onCreateActionMode(mode, menu);
2241            }
2242
2243            public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
2244                return mWrapped.onPrepareActionMode(mode, menu);
2245            }
2246
2247            public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
2248                return mWrapped.onActionItemClicked(mode, item);
2249            }
2250
2251            public void onDestroyActionMode(ActionMode mode) {
2252                mWrapped.onDestroyActionMode(mode);
2253                if (mActionModeView != null) {
2254                    mActionModeView.removeAllViews();
2255                }
2256                mActionMode = null;
2257            }
2258        }
2259    }
2260
2261    protected DecorView generateDecor() {
2262        return new DecorView(getContext(), -1);
2263    }
2264
2265    protected void setFeatureFromAttrs(int featureId, TypedArray attrs,
2266            int drawableAttr, int alphaAttr) {
2267        Drawable d = attrs.getDrawable(drawableAttr);
2268        if (d != null) {
2269            requestFeature(featureId);
2270            setFeatureDefaultDrawable(featureId, d);
2271        }
2272        if ((getFeatures() & (1 << featureId)) != 0) {
2273            int alpha = attrs.getInt(alphaAttr, -1);
2274            if (alpha >= 0) {
2275                setFeatureDrawableAlpha(featureId, alpha);
2276            }
2277        }
2278    }
2279
2280    protected ViewGroup generateLayout(DecorView decor) {
2281        // Apply data from current theme.
2282
2283        TypedArray a = getWindowStyle();
2284
2285        if (false) {
2286            System.out.println("From style:");
2287            String s = "Attrs:";
2288            for (int i = 0; i < com.android.internal.R.styleable.Window.length; i++) {
2289                s = s + " " + Integer.toHexString(com.android.internal.R.styleable.Window[i]) + "="
2290                        + a.getString(i);
2291            }
2292            System.out.println(s);
2293        }
2294
2295        mIsFloating = a.getBoolean(com.android.internal.R.styleable.Window_windowIsFloating, false);
2296        int flagsToUpdate = (FLAG_LAYOUT_IN_SCREEN|FLAG_LAYOUT_INSET_DECOR)
2297                & (~getForcedWindowFlags());
2298        if (mIsFloating) {
2299            setLayout(WRAP_CONTENT, WRAP_CONTENT);
2300            setFlags(0, flagsToUpdate);
2301        } else {
2302            setFlags(FLAG_LAYOUT_IN_SCREEN|FLAG_LAYOUT_INSET_DECOR, flagsToUpdate);
2303        }
2304
2305        if (a.getBoolean(com.android.internal.R.styleable.Window_windowNoTitle, false)) {
2306            requestFeature(FEATURE_NO_TITLE);
2307        } else if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionBar, false)) {
2308            // Don't allow an action bar if there is no title.
2309            requestFeature(FEATURE_ACTION_BAR);
2310        }
2311
2312        if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionBarOverlay, false)) {
2313            requestFeature(FEATURE_ACTION_BAR_OVERLAY);
2314        }
2315
2316        if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionModeOverlay, false)) {
2317            requestFeature(FEATURE_ACTION_MODE_OVERLAY);
2318        }
2319
2320        if (a.getBoolean(com.android.internal.R.styleable.Window_windowFullscreen, false)) {
2321            setFlags(FLAG_FULLSCREEN, FLAG_FULLSCREEN&(~getForcedWindowFlags()));
2322        }
2323
2324        if (a.getBoolean(com.android.internal.R.styleable.Window_windowShowWallpaper, false)) {
2325            setFlags(FLAG_SHOW_WALLPAPER, FLAG_SHOW_WALLPAPER&(~getForcedWindowFlags()));
2326        }
2327
2328        if (getContext().getApplicationInfo().targetSdkVersion
2329                < android.os.Build.VERSION_CODES.HONEYCOMB) {
2330            addFlags(WindowManager.LayoutParams.FLAG_NEEDS_MENU_KEY);
2331        }
2332
2333        WindowManager.LayoutParams params = getAttributes();
2334
2335        if (!hasSoftInputMode()) {
2336            params.softInputMode = a.getInt(
2337                    com.android.internal.R.styleable.Window_windowSoftInputMode,
2338                    params.softInputMode);
2339        }
2340
2341        if (a.getBoolean(com.android.internal.R.styleable.Window_backgroundDimEnabled,
2342                mIsFloating)) {
2343            /* All dialogs should have the window dimmed */
2344            if ((getForcedWindowFlags()&WindowManager.LayoutParams.FLAG_DIM_BEHIND) == 0) {
2345                params.flags |= WindowManager.LayoutParams.FLAG_DIM_BEHIND;
2346            }
2347            params.dimAmount = a.getFloat(
2348                    android.R.styleable.Window_backgroundDimAmount, 0.5f);
2349        }
2350
2351        if (params.windowAnimations == 0) {
2352            params.windowAnimations = a.getResourceId(
2353                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2354        }
2355
2356        // The rest are only done if this window is not embedded; otherwise,
2357        // the values are inherited from our container.
2358        if (getContainer() == null) {
2359            if (mBackgroundDrawable == null) {
2360                if (mBackgroundResource == 0) {
2361                    mBackgroundResource = a.getResourceId(
2362                            com.android.internal.R.styleable.Window_windowBackground, 0);
2363                }
2364                if (mFrameResource == 0) {
2365                    mFrameResource = a.getResourceId(com.android.internal.R.styleable.Window_windowFrame, 0);
2366                }
2367                if (false) {
2368                    System.out.println("Background: "
2369                            + Integer.toHexString(mBackgroundResource) + " Frame: "
2370                            + Integer.toHexString(mFrameResource));
2371                }
2372            }
2373            mTextColor = a.getColor(com.android.internal.R.styleable.Window_textColor, 0xFF000000);
2374        }
2375
2376        // Inflate the window decor.
2377
2378        int layoutResource;
2379        int features = getLocalFeatures();
2380        // System.out.println("Features: 0x" + Integer.toHexString(features));
2381        if ((features & ((1 << FEATURE_LEFT_ICON) | (1 << FEATURE_RIGHT_ICON))) != 0) {
2382            if (mIsFloating) {
2383                layoutResource = com.android.internal.R.layout.dialog_title_icons;
2384            } else {
2385                layoutResource = com.android.internal.R.layout.screen_title_icons;
2386            }
2387            // XXX Remove this once action bar supports these features.
2388            removeFeature(FEATURE_ACTION_BAR);
2389            // System.out.println("Title Icons!");
2390        } else if ((features & ((1 << FEATURE_PROGRESS) | (1 << FEATURE_INDETERMINATE_PROGRESS))) != 0) {
2391            // Special case for a window with only a progress bar (and title).
2392            // XXX Need to have a no-title version of embedded windows.
2393            layoutResource = com.android.internal.R.layout.screen_progress;
2394            // XXX Remove this once action bar supports these features.
2395            removeFeature(FEATURE_ACTION_BAR);
2396            // System.out.println("Progress!");
2397        } else if ((features & (1 << FEATURE_CUSTOM_TITLE)) != 0) {
2398            // Special case for a window with a custom title.
2399            // If the window is floating, we need a dialog layout
2400            if (mIsFloating) {
2401                layoutResource = com.android.internal.R.layout.dialog_custom_title;
2402            } else {
2403                layoutResource = com.android.internal.R.layout.screen_custom_title;
2404            }
2405            // XXX Remove this once action bar supports these features.
2406            removeFeature(FEATURE_ACTION_BAR);
2407        } else if ((features & (1 << FEATURE_NO_TITLE)) == 0) {
2408            // If no other features and not embedded, only need a title.
2409            // If the window is floating, we need a dialog layout
2410            if (mIsFloating) {
2411                layoutResource = com.android.internal.R.layout.dialog_title;
2412            } else if ((features & (1 << FEATURE_ACTION_BAR)) != 0) {
2413                if ((features & (1 << FEATURE_ACTION_BAR_OVERLAY)) != 0) {
2414                    layoutResource = com.android.internal.R.layout.screen_action_bar_overlay;
2415                } else {
2416                    layoutResource = com.android.internal.R.layout.screen_action_bar;
2417                }
2418            } else {
2419                layoutResource = com.android.internal.R.layout.screen_title;
2420            }
2421            // System.out.println("Title!");
2422        } else {
2423            // Embedded, so no decoration is needed.
2424            layoutResource = com.android.internal.R.layout.screen_simple;
2425            // System.out.println("Simple!");
2426        }
2427
2428        mDecor.startChanging();
2429
2430        View in = mLayoutInflater.inflate(layoutResource, null);
2431        decor.addView(in, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
2432
2433        ViewGroup contentParent = (ViewGroup)findViewById(ID_ANDROID_CONTENT);
2434        if (contentParent == null) {
2435            throw new RuntimeException("Window couldn't find content container view");
2436        }
2437
2438        if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
2439            ProgressBar progress = getCircularProgressBar(false);
2440            if (progress != null) {
2441                progress.setIndeterminate(true);
2442            }
2443        }
2444
2445        // Remaining setup -- of background and title -- that only applies
2446        // to top-level windows.
2447        if (getContainer() == null) {
2448            Drawable drawable = mBackgroundDrawable;
2449            if (mBackgroundResource != 0) {
2450                drawable = getContext().getResources().getDrawable(mBackgroundResource);
2451            }
2452            mDecor.setWindowBackground(drawable);
2453            drawable = null;
2454            if (mFrameResource != 0) {
2455                drawable = getContext().getResources().getDrawable(mFrameResource);
2456            }
2457            mDecor.setWindowFrame(drawable);
2458
2459            // System.out.println("Text=" + Integer.toHexString(mTextColor) +
2460            // " Sel=" + Integer.toHexString(mTextSelectedColor) +
2461            // " Title=" + Integer.toHexString(mTitleColor));
2462
2463            if (mTitleColor == 0) {
2464                mTitleColor = mTextColor;
2465            }
2466
2467            if (mTitle != null) {
2468                setTitle(mTitle);
2469            }
2470            setTitleColor(mTitleColor);
2471        }
2472
2473        mDecor.finishChanging();
2474
2475        return contentParent;
2476    }
2477
2478    private void installDecor() {
2479        if (mDecor == null) {
2480            mDecor = generateDecor();
2481            mDecor.setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
2482            mDecor.setIsRootNamespace(true);
2483        }
2484        if (mContentParent == null) {
2485            mContentParent = generateLayout(mDecor);
2486
2487            mTitleView = (TextView)findViewById(com.android.internal.R.id.title);
2488            if (mTitleView != null) {
2489                if ((getLocalFeatures() & (1 << FEATURE_NO_TITLE)) != 0) {
2490                    View titleContainer = findViewById(com.android.internal.R.id.title_container);
2491                    if (titleContainer != null) {
2492                        titleContainer.setVisibility(View.GONE);
2493                    } else {
2494                        mTitleView.setVisibility(View.GONE);
2495                    }
2496                    if (mContentParent instanceof FrameLayout) {
2497                        ((FrameLayout)mContentParent).setForeground(null);
2498                    }
2499                } else {
2500                    mTitleView.setText(mTitle);
2501                }
2502            } else {
2503                mActionBar = (ActionBarView) findViewById(com.android.internal.R.id.action_bar);
2504                if (mActionBar != null) {
2505                    if (mActionBar.getTitle() == null) {
2506                        mActionBar.setWindowTitle(mTitle);
2507                    }
2508                    // Post the panel invalidate for later; avoid application onCreateOptionsMenu
2509                    // being called in the middle of onCreate or similar.
2510                    mDecor.post(new Runnable() {
2511                        public void run() {
2512                            if (!isDestroyed()) {
2513                                invalidatePanelMenu(FEATURE_ACTION_BAR);
2514                            }
2515                        }
2516                    });
2517                }
2518            }
2519        }
2520    }
2521
2522    private Drawable loadImageURI(Uri uri) {
2523        try {
2524            return Drawable.createFromStream(
2525                    getContext().getContentResolver().openInputStream(uri), null);
2526        } catch (Exception e) {
2527            Log.w(TAG, "Unable to open content: " + uri);
2528        }
2529        return null;
2530    }
2531
2532    private DrawableFeatureState getDrawableState(int featureId, boolean required) {
2533        if ((getFeatures() & (1 << featureId)) == 0) {
2534            if (!required) {
2535                return null;
2536            }
2537            throw new RuntimeException("The feature has not been requested");
2538        }
2539
2540        DrawableFeatureState[] ar;
2541        if ((ar = mDrawables) == null || ar.length <= featureId) {
2542            DrawableFeatureState[] nar = new DrawableFeatureState[featureId + 1];
2543            if (ar != null) {
2544                System.arraycopy(ar, 0, nar, 0, ar.length);
2545            }
2546            mDrawables = ar = nar;
2547        }
2548
2549        DrawableFeatureState st = ar[featureId];
2550        if (st == null) {
2551            ar[featureId] = st = new DrawableFeatureState(featureId);
2552        }
2553        return st;
2554    }
2555
2556    /**
2557     * Gets a panel's state based on its feature ID.
2558     *
2559     * @param featureId The feature ID of the panel.
2560     * @param required Whether the panel is required (if it is required and it
2561     *            isn't in our features, this throws an exception).
2562     * @return The panel state.
2563     */
2564    private PanelFeatureState getPanelState(int featureId, boolean required) {
2565        return getPanelState(featureId, required, null);
2566    }
2567
2568    /**
2569     * Gets a panel's state based on its feature ID.
2570     *
2571     * @param featureId The feature ID of the panel.
2572     * @param required Whether the panel is required (if it is required and it
2573     *            isn't in our features, this throws an exception).
2574     * @param convertPanelState Optional: If the panel state does not exist, use
2575     *            this as the panel state.
2576     * @return The panel state.
2577     */
2578    private PanelFeatureState getPanelState(int featureId, boolean required,
2579            PanelFeatureState convertPanelState) {
2580        if ((getFeatures() & (1 << featureId)) == 0) {
2581            if (!required) {
2582                return null;
2583            }
2584            throw new RuntimeException("The feature has not been requested");
2585        }
2586
2587        PanelFeatureState[] ar;
2588        if ((ar = mPanels) == null || ar.length <= featureId) {
2589            PanelFeatureState[] nar = new PanelFeatureState[featureId + 1];
2590            if (ar != null) {
2591                System.arraycopy(ar, 0, nar, 0, ar.length);
2592            }
2593            mPanels = ar = nar;
2594        }
2595
2596        PanelFeatureState st = ar[featureId];
2597        if (st == null) {
2598            ar[featureId] = st = (convertPanelState != null)
2599                    ? convertPanelState
2600                    : new PanelFeatureState(featureId);
2601        }
2602        return st;
2603    }
2604
2605    @Override
2606    public final void setChildDrawable(int featureId, Drawable drawable) {
2607        DrawableFeatureState st = getDrawableState(featureId, true);
2608        st.child = drawable;
2609        updateDrawable(featureId, st, false);
2610    }
2611
2612    @Override
2613    public final void setChildInt(int featureId, int value) {
2614        updateInt(featureId, value, false);
2615    }
2616
2617    @Override
2618    public boolean isShortcutKey(int keyCode, KeyEvent event) {
2619        PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
2620        return st.menu != null && st.menu.isShortcutKey(keyCode, event);
2621    }
2622
2623    private void updateDrawable(int featureId, DrawableFeatureState st, boolean fromResume) {
2624        // Do nothing if the decor is not yet installed... an update will
2625        // need to be forced when we eventually become active.
2626        if (mContentParent == null) {
2627            return;
2628        }
2629
2630        final int featureMask = 1 << featureId;
2631
2632        if ((getFeatures() & featureMask) == 0 && !fromResume) {
2633            return;
2634        }
2635
2636        Drawable drawable = null;
2637        if (st != null) {
2638            drawable = st.child;
2639            if (drawable == null)
2640                drawable = st.local;
2641            if (drawable == null)
2642                drawable = st.def;
2643        }
2644        if ((getLocalFeatures() & featureMask) == 0) {
2645            if (getContainer() != null) {
2646                if (isActive() || fromResume) {
2647                    getContainer().setChildDrawable(featureId, drawable);
2648                }
2649            }
2650        } else if (st != null && (st.cur != drawable || st.curAlpha != st.alpha)) {
2651            // System.out.println("Drawable changed: old=" + st.cur
2652            // + ", new=" + drawable);
2653            st.cur = drawable;
2654            st.curAlpha = st.alpha;
2655            onDrawableChanged(featureId, drawable, st.alpha);
2656        }
2657    }
2658
2659    private void updateInt(int featureId, int value, boolean fromResume) {
2660
2661        // Do nothing if the decor is not yet installed... an update will
2662        // need to be forced when we eventually become active.
2663        if (mContentParent == null) {
2664            return;
2665        }
2666
2667        final int featureMask = 1 << featureId;
2668
2669        if ((getFeatures() & featureMask) == 0 && !fromResume) {
2670            return;
2671        }
2672
2673        if ((getLocalFeatures() & featureMask) == 0) {
2674            if (getContainer() != null) {
2675                getContainer().setChildInt(featureId, value);
2676            }
2677        } else {
2678            onIntChanged(featureId, value);
2679        }
2680    }
2681
2682    private ImageView getLeftIconView() {
2683        if (mLeftIconView != null) {
2684            return mLeftIconView;
2685        }
2686        if (mContentParent == null) {
2687            installDecor();
2688        }
2689        return (mLeftIconView = (ImageView)findViewById(com.android.internal.R.id.left_icon));
2690    }
2691
2692    private ProgressBar getCircularProgressBar(boolean shouldInstallDecor) {
2693        if (mCircularProgressBar != null) {
2694            return mCircularProgressBar;
2695        }
2696        if (mContentParent == null && shouldInstallDecor) {
2697            installDecor();
2698        }
2699        mCircularProgressBar = (ProgressBar)findViewById(com.android.internal.R.id.progress_circular);
2700        mCircularProgressBar.setVisibility(View.INVISIBLE);
2701        return mCircularProgressBar;
2702    }
2703
2704    private ProgressBar getHorizontalProgressBar(boolean shouldInstallDecor) {
2705        if (mHorizontalProgressBar != null) {
2706            return mHorizontalProgressBar;
2707        }
2708        if (mContentParent == null && shouldInstallDecor) {
2709            installDecor();
2710        }
2711        mHorizontalProgressBar = (ProgressBar)findViewById(com.android.internal.R.id.progress_horizontal);
2712        mHorizontalProgressBar.setVisibility(View.INVISIBLE);
2713        return mHorizontalProgressBar;
2714    }
2715
2716    private ImageView getRightIconView() {
2717        if (mRightIconView != null) {
2718            return mRightIconView;
2719        }
2720        if (mContentParent == null) {
2721            installDecor();
2722        }
2723        return (mRightIconView = (ImageView)findViewById(com.android.internal.R.id.right_icon));
2724    }
2725
2726    /**
2727     * Helper method for calling the {@link Callback#onPanelClosed(int, Menu)}
2728     * callback. This method will grab whatever extra state is needed for the
2729     * callback that isn't given in the parameters. If the panel is not open,
2730     * this will not perform the callback.
2731     *
2732     * @param featureId Feature ID of the panel that was closed. Must be given.
2733     * @param panel Panel that was closed. Optional but useful if there is no
2734     *            menu given.
2735     * @param menu The menu that was closed. Optional, but give if you have.
2736     */
2737    private void callOnPanelClosed(int featureId, PanelFeatureState panel, Menu menu) {
2738        final Callback cb = getCallback();
2739        if (cb == null)
2740            return;
2741
2742        // Try to get a menu
2743        if (menu == null) {
2744            // Need a panel to grab the menu, so try to get that
2745            if (panel == null) {
2746                if ((featureId >= 0) && (featureId < mPanels.length)) {
2747                    panel = mPanels[featureId];
2748                }
2749            }
2750
2751            if (panel != null) {
2752                // menu still may be null, which is okay--we tried our best
2753                menu = panel.menu;
2754            }
2755        }
2756
2757        // If the panel is not open, do not callback
2758        if ((panel != null) && (!panel.isOpen))
2759            return;
2760
2761        cb.onPanelClosed(featureId, menu);
2762    }
2763
2764    /**
2765     * Helper method for adding launch-search to most applications. Opens the
2766     * search window using default settings.
2767     *
2768     * @return true if search window opened
2769     */
2770    private boolean launchDefaultSearch() {
2771        final Callback cb = getCallback();
2772        if (cb == null) {
2773            return false;
2774        } else {
2775            sendCloseSystemWindows("search");
2776            return cb.onSearchRequested();
2777        }
2778    }
2779
2780    @Override
2781    public void setVolumeControlStream(int streamType) {
2782        mVolumeControlStreamType = streamType;
2783    }
2784
2785    @Override
2786    public int getVolumeControlStream() {
2787        return mVolumeControlStreamType;
2788    }
2789
2790    private static final class DrawableFeatureState {
2791        DrawableFeatureState(int _featureId) {
2792            featureId = _featureId;
2793        }
2794
2795        final int featureId;
2796
2797        int resid;
2798
2799        Uri uri;
2800
2801        Drawable local;
2802
2803        Drawable child;
2804
2805        Drawable def;
2806
2807        Drawable cur;
2808
2809        int alpha = 255;
2810
2811        int curAlpha = 255;
2812    }
2813
2814    private static final class PanelFeatureState {
2815
2816        /** Feature ID for this panel. */
2817        int featureId;
2818
2819        // Information pulled from the style for this panel.
2820
2821        int background;
2822
2823        /** The background when the panel spans the entire available width. */
2824        int fullBackground;
2825
2826        int gravity;
2827
2828        int x;
2829
2830        int y;
2831
2832        int windowAnimations;
2833
2834        /** Dynamic state of the panel. */
2835        DecorView decorView;
2836
2837        /** The panel that was returned by onCreatePanelView(). */
2838        View createdPanelView;
2839
2840        /** The panel that we are actually showing. */
2841        View shownPanelView;
2842
2843        /** Use {@link #setMenu} to set this. */
2844        Menu menu;
2845
2846        /**
2847         * Whether the panel has been prepared (see
2848         * {@link PhoneWindow#preparePanel}).
2849         */
2850        boolean isPrepared;
2851
2852        /**
2853         * Whether an item's action has been performed. This happens in obvious
2854         * scenarios (user clicks on menu item), but can also happen with
2855         * chording menu+(shortcut key).
2856         */
2857        boolean isHandled;
2858
2859        boolean isOpen;
2860
2861        /**
2862         * True if the menu is in expanded mode, false if the menu is in icon
2863         * mode
2864         */
2865        boolean isInExpandedMode;
2866
2867        public boolean qwertyMode;
2868
2869        boolean refreshDecorView;
2870
2871        boolean refreshMenuContent;
2872
2873        boolean wasLastOpen;
2874
2875        boolean wasLastExpanded;
2876
2877        /**
2878         * Contains the state of the menu when told to freeze.
2879         */
2880        Bundle frozenMenuState;
2881
2882        PanelFeatureState(int featureId) {
2883            this.featureId = featureId;
2884
2885            refreshDecorView = false;
2886        }
2887
2888        void setStyle(Context context) {
2889            TypedArray a = context.obtainStyledAttributes(com.android.internal.R.styleable.Theme);
2890            background = a.getResourceId(
2891                    com.android.internal.R.styleable.Theme_panelBackground, 0);
2892            fullBackground = a.getResourceId(
2893                    com.android.internal.R.styleable.Theme_panelFullBackground, 0);
2894            windowAnimations = a.getResourceId(
2895                    com.android.internal.R.styleable.Theme_windowAnimationStyle, 0);
2896            a.recycle();
2897        }
2898
2899        void setMenu(Menu menu) {
2900            this.menu = menu;
2901
2902            if (frozenMenuState != null) {
2903                ((MenuBuilder) menu).restoreHierarchyState(frozenMenuState);
2904                frozenMenuState = null;
2905            }
2906        }
2907
2908        Parcelable onSaveInstanceState() {
2909            SavedState savedState = new SavedState();
2910            savedState.featureId = featureId;
2911            savedState.isOpen = isOpen;
2912            savedState.isInExpandedMode = isInExpandedMode;
2913
2914            if (menu != null) {
2915                savedState.menuState = new Bundle();
2916                ((MenuBuilder) menu).saveHierarchyState(savedState.menuState);
2917            }
2918
2919            return savedState;
2920        }
2921
2922        void onRestoreInstanceState(Parcelable state) {
2923            SavedState savedState = (SavedState) state;
2924            featureId = savedState.featureId;
2925            wasLastOpen = savedState.isOpen;
2926            wasLastExpanded = savedState.isInExpandedMode;
2927            frozenMenuState = savedState.menuState;
2928
2929            /*
2930             * A LocalActivityManager keeps the same instance of this class around.
2931             * The first time the menu is being shown after restoring, the
2932             * Activity.onCreateOptionsMenu should be called. But, if it is the
2933             * same instance then menu != null and we won't call that method.
2934             * So, clear this.  Also clear any cached views.
2935             */
2936            menu = null;
2937            createdPanelView = null;
2938            shownPanelView = null;
2939            decorView = null;
2940        }
2941
2942        private static class SavedState implements Parcelable {
2943            int featureId;
2944            boolean isOpen;
2945            boolean isInExpandedMode;
2946            Bundle menuState;
2947
2948            public int describeContents() {
2949                return 0;
2950            }
2951
2952            public void writeToParcel(Parcel dest, int flags) {
2953                dest.writeInt(featureId);
2954                dest.writeInt(isOpen ? 1 : 0);
2955                dest.writeInt(isInExpandedMode ? 1 : 0);
2956
2957                if (isOpen) {
2958                    dest.writeBundle(menuState);
2959                }
2960            }
2961
2962            private static SavedState readFromParcel(Parcel source) {
2963                SavedState savedState = new SavedState();
2964                savedState.featureId = source.readInt();
2965                savedState.isOpen = source.readInt() == 1;
2966                savedState.isInExpandedMode = source.readInt() == 1;
2967
2968                if (savedState.isOpen) {
2969                    savedState.menuState = source.readBundle();
2970                }
2971
2972                return savedState;
2973            }
2974
2975            public static final Parcelable.Creator<SavedState> CREATOR
2976                    = new Parcelable.Creator<SavedState>() {
2977                public SavedState createFromParcel(Parcel in) {
2978                    return readFromParcel(in);
2979                }
2980
2981                public SavedState[] newArray(int size) {
2982                    return new SavedState[size];
2983                }
2984            };
2985        }
2986
2987    }
2988
2989    /**
2990     * Simple implementation of MenuBuilder.Callback that:
2991     * <li> Opens a submenu when selected.
2992     * <li> Calls back to the callback's onMenuItemSelected when an item is
2993     * selected.
2994     */
2995    private final class DialogMenuCallback implements MenuBuilder.Callback {
2996        private int mFeatureId;
2997        private MenuDialogHelper mSubMenuHelper;
2998
2999        public DialogMenuCallback(int featureId) {
3000            mFeatureId = featureId;
3001        }
3002
3003        public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
3004            if (allMenusAreClosing) {
3005                Callback callback = getCallback();
3006                if (callback != null) callback.onPanelClosed(mFeatureId, menu);
3007
3008                if (menu == mContextMenu) {
3009                    dismissContextMenu();
3010                }
3011
3012                // Dismiss the submenu, if it is showing
3013                if (mSubMenuHelper != null) {
3014                    mSubMenuHelper.dismiss();
3015                    mSubMenuHelper = null;
3016                }
3017            }
3018        }
3019
3020        public void onCloseSubMenu(SubMenuBuilder menu) {
3021            Callback callback = getCallback();
3022            if (callback != null) callback.onPanelClosed(mFeatureId, menu.getRootMenu());
3023        }
3024
3025        public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
3026            Callback callback = getCallback();
3027            return (callback != null) && callback.onMenuItemSelected(mFeatureId, item);
3028        }
3029
3030        public void onMenuModeChange(MenuBuilder menu) {
3031        }
3032
3033        public boolean onSubMenuSelected(SubMenuBuilder subMenu) {
3034            // Set a simple callback for the submenu
3035            subMenu.setCallback(this);
3036
3037            // The window manager will give us a valid window token
3038            mSubMenuHelper = new MenuDialogHelper(subMenu);
3039            mSubMenuHelper.show(null);
3040
3041            return true;
3042        }
3043    }
3044
3045    void sendCloseSystemWindows() {
3046        PhoneWindowManager.sendCloseSystemWindows(getContext(), null);
3047    }
3048
3049    void sendCloseSystemWindows(String reason) {
3050        PhoneWindowManager.sendCloseSystemWindows(getContext(), reason);
3051    }
3052}
3053