PhoneWindow.java revision 6af97e1c20df4d7010fafd7059c95d9b4113e4a6
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; 25import static android.view.WindowManager.LayoutParams.FLAG_SPLIT_TOUCH; 26 27import com.android.internal.view.BaseSurfaceHolder; 28import com.android.internal.view.RootViewSurfaceTaker; 29import com.android.internal.view.StandaloneActionMode; 30import com.android.internal.view.menu.ContextMenuBuilder; 31import com.android.internal.view.menu.MenuBuilder; 32import com.android.internal.view.menu.MenuDialogHelper; 33import com.android.internal.view.menu.MenuPopupHelper; 34import com.android.internal.view.menu.MenuView; 35import com.android.internal.view.menu.SubMenuBuilder; 36import com.android.internal.widget.ActionBarContextView; 37import com.android.internal.widget.ActionBarView; 38 39import android.app.KeyguardManager; 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.util.AndroidRuntimeException; 56import android.util.Config; 57import android.util.EventLog; 58import android.util.Log; 59import android.util.SparseArray; 60import android.util.TypedValue; 61import android.view.ActionMode; 62import android.view.Gravity; 63import android.view.InputQueue; 64import android.view.KeyCharacterMap; 65import android.view.KeyEvent; 66import android.view.LayoutInflater; 67import android.view.Menu; 68import android.view.MenuItem; 69import android.view.MotionEvent; 70import android.view.SurfaceHolder; 71import android.view.View; 72import android.view.ViewGroup; 73import android.view.ViewManager; 74import android.view.ViewStub; 75import android.view.VolumePanel; 76import android.view.Window; 77import android.view.WindowManager; 78import android.view.accessibility.AccessibilityEvent; 79import android.view.accessibility.AccessibilityManager; 80import android.view.animation.Animation; 81import android.view.animation.AnimationUtils; 82import android.view.inputmethod.InputMethodManager; 83import android.widget.FrameLayout; 84import android.widget.ImageView; 85import android.widget.PopupWindow; 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 AudioManager mAudioManager; 172 private KeyguardManager mKeyguardManager; 173 174 public PhoneWindow(Context context) { 175 super(context); 176 mLayoutInflater = LayoutInflater.from(context); 177 } 178 179 @Override 180 public final void setContainer(Window container) { 181 super.setContainer(container); 182 } 183 184 @Override 185 public boolean requestFeature(int featureId) { 186 if (mContentParent != null) { 187 throw new AndroidRuntimeException("requestFeature() must be called before adding content"); 188 } 189 final int features = getFeatures(); 190 if ((features != DEFAULT_FEATURES) && (featureId == FEATURE_CUSTOM_TITLE)) { 191 192 /* Another feature is enabled and the user is trying to enable the custom title feature */ 193 throw new AndroidRuntimeException("You cannot combine custom titles with other title features"); 194 } 195 if (((features & (1 << FEATURE_CUSTOM_TITLE)) != 0) && (featureId != FEATURE_CUSTOM_TITLE)) { 196 197 /* Custom title feature is enabled and the user is trying to enable another feature */ 198 throw new AndroidRuntimeException("You cannot combine custom titles with other title features"); 199 } 200 if ((features & (1 << FEATURE_NO_TITLE)) != 0 && featureId == FEATURE_ACTION_BAR) { 201 return false; // Ignore. No title dominates. 202 } 203 if ((features & (1 << FEATURE_ACTION_BAR)) != 0 && featureId == FEATURE_NO_TITLE) { 204 // Remove the action bar feature if we have no title. No title dominates. 205 removeFeature(FEATURE_ACTION_BAR); 206 } 207 return super.requestFeature(featureId); 208 } 209 210 @Override 211 public void setContentView(int layoutResID) { 212 if (mContentParent == null) { 213 installDecor(); 214 } else { 215 mContentParent.removeAllViews(); 216 } 217 mLayoutInflater.inflate(layoutResID, mContentParent); 218 final Callback cb = getCallback(); 219 if (cb != null) { 220 cb.onContentChanged(); 221 } 222 } 223 224 @Override 225 public void setContentView(View view) { 226 setContentView(view, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)); 227 } 228 229 @Override 230 public void setContentView(View view, ViewGroup.LayoutParams params) { 231 if (mContentParent == null) { 232 installDecor(); 233 } else { 234 mContentParent.removeAllViews(); 235 } 236 mContentParent.addView(view, params); 237 final Callback cb = getCallback(); 238 if (cb != null) { 239 cb.onContentChanged(); 240 } 241 } 242 243 @Override 244 public void addContentView(View view, ViewGroup.LayoutParams params) { 245 if (mContentParent == null) { 246 installDecor(); 247 } 248 mContentParent.addView(view, params); 249 final Callback cb = getCallback(); 250 if (cb != null) { 251 cb.onContentChanged(); 252 } 253 } 254 255 @Override 256 public View getCurrentFocus() { 257 return mDecor != null ? mDecor.findFocus() : null; 258 } 259 260 @Override 261 public void takeSurface(SurfaceHolder.Callback2 callback) { 262 mTakeSurfaceCallback = callback; 263 } 264 265 public void takeInputQueue(InputQueue.Callback callback) { 266 mTakeInputQueueCallback = callback; 267 } 268 269 @Override 270 public boolean isFloating() { 271 return mIsFloating; 272 } 273 274 /** 275 * Return a LayoutInflater instance that can be used to inflate XML view layout 276 * resources for use in this Window. 277 * 278 * @return LayoutInflater The shared LayoutInflater. 279 */ 280 @Override 281 public LayoutInflater getLayoutInflater() { 282 return mLayoutInflater; 283 } 284 285 @Override 286 public void setTitle(CharSequence title) { 287 if (mTitleView != null) { 288 mTitleView.setText(title); 289 } else if (mActionBar != null) { 290 mActionBar.setWindowTitle(title); 291 } 292 mTitle = title; 293 } 294 295 @Override 296 public void setTitleColor(int textColor) { 297 if (mTitleView != null) { 298 mTitleView.setTextColor(textColor); 299 } 300 mTitleColor = textColor; 301 } 302 303 /** 304 * Prepares the panel to either be opened or chorded. This creates the Menu 305 * instance for the panel and populates it via the Activity callbacks. 306 * 307 * @param st The panel state to prepare. 308 * @param event The event that triggered the preparing of the panel. 309 * @return Whether the panel was prepared. If the panel should not be shown, 310 * returns false. 311 */ 312 public final boolean preparePanel(PanelFeatureState st, KeyEvent event) { 313 // Already prepared (isPrepared will be reset to false later) 314 if (st.isPrepared) 315 return true; 316 317 if ((mPreparedPanel != null) && (mPreparedPanel != st)) { 318 // Another Panel is prepared and possibly open, so close it 319 closePanel(mPreparedPanel, false); 320 } 321 322 final Callback cb = getCallback(); 323 324 if (cb != null) { 325 st.createdPanelView = cb.onCreatePanelView(st.featureId); 326 } 327 328 if (st.createdPanelView == null) { 329 // Init the panel state's menu--return false if init failed 330 if (st.menu == null || st.refreshMenuContent) { 331 if (st.menu == null) { 332 if (!initializePanelMenu(st) || (st.menu == null)) { 333 return false; 334 } 335 } 336 // Call callback, and return if it doesn't want to display menu 337 if ((cb == null) || !cb.onCreatePanelMenu(st.featureId, st.menu)) { 338 // Ditch the menu created above 339 st.menu = null; 340 341 return false; 342 } 343 344 st.refreshMenuContent = false; 345 346 if (mActionBar != null) { 347 mActionBar.setMenu(st.menu); 348 } 349 } 350 351 // Callback and return if the callback does not want to show the menu 352 if (!cb.onPreparePanel(st.featureId, st.createdPanelView, st.menu)) { 353 return false; 354 } 355 356 // Set the proper keymap 357 KeyCharacterMap kmap = KeyCharacterMap.load(event != null ? event.getDeviceId() : 0); 358 st.qwertyMode = kmap.getKeyboardType() != KeyCharacterMap.NUMERIC; 359 st.menu.setQwertyMode(st.qwertyMode); 360 } 361 362 // Set other state 363 st.isPrepared = true; 364 st.isHandled = false; 365 mPreparedPanel = st; 366 367 return true; 368 } 369 370 @Override 371 public void onConfigurationChanged(Configuration newConfig) { 372 // Action bars handle their own menu state 373 if (mActionBar == null) { 374 PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false); 375 if ((st != null) && (st.menu != null)) { 376 final MenuBuilder menuBuilder = (MenuBuilder) st.menu; 377 378 if (st.isOpen) { 379 // Freeze state 380 final Bundle state = new Bundle(); 381 menuBuilder.saveHierarchyState(state); 382 383 // Remove the menu views since they need to be recreated 384 // according to the new configuration 385 clearMenuViews(st); 386 387 // Re-open the same menu 388 reopenMenu(false); 389 390 // Restore state 391 menuBuilder.restoreHierarchyState(state); 392 393 } else { 394 // Clear menu views so on next menu opening, it will use 395 // the proper layout 396 clearMenuViews(st); 397 } 398 } 399 } 400 } 401 402 private static void clearMenuViews(PanelFeatureState st) { 403 // This can be called on config changes, so we should make sure 404 // the views will be reconstructed based on the new orientation, etc. 405 406 // Allow the callback to create a new panel view 407 st.createdPanelView = null; 408 409 // Causes the decor view to be recreated 410 st.refreshDecorView = true; 411 412 ((MenuBuilder) st.menu).clearMenuViews(); 413 } 414 415 @Override 416 public final void openPanel(int featureId, KeyEvent event) { 417 if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null && 418 mActionBar.isOverflowReserved()) { 419 mActionBar.showOverflowMenu(); 420 } else { 421 openPanel(getPanelState(featureId, true), event); 422 } 423 } 424 425 private void openPanel(PanelFeatureState st, KeyEvent event) { 426 // System.out.println("Open panel: isOpen=" + st.isOpen); 427 428 // Already open, return 429 if (st.isOpen) { 430 return; 431 } 432 433 Callback cb = getCallback(); 434 if ((cb != null) && (!cb.onMenuOpened(st.featureId, st.menu))) { 435 // Callback doesn't want the menu to open, reset any state 436 closePanel(st, true); 437 return; 438 } 439 440 final WindowManager wm = getWindowManager(); 441 if (wm == null) { 442 return; 443 } 444 445 // Prepare panel (should have been done before, but just in case) 446 if (!preparePanel(st, event)) { 447 return; 448 } 449 450 if (st.decorView == null || st.refreshDecorView) { 451 if (st.decorView == null) { 452 // Initialize the panel decor, this will populate st.decorView 453 if (!initializePanelDecor(st) || (st.decorView == null)) 454 return; 455 } else if (st.refreshDecorView && (st.decorView.getChildCount() > 0)) { 456 // Decor needs refreshing, so remove its views 457 st.decorView.removeAllViews(); 458 } 459 460 // This will populate st.shownPanelView 461 if (!initializePanelContent(st) || (st.shownPanelView == null)) { 462 return; 463 } 464 465 ViewGroup.LayoutParams lp = st.shownPanelView.getLayoutParams(); 466 if (lp == null) { 467 lp = new ViewGroup.LayoutParams(WRAP_CONTENT, WRAP_CONTENT); 468 } 469 470 int backgroundResId; 471 if (lp.width == ViewGroup.LayoutParams.MATCH_PARENT) { 472 // If the contents is fill parent for the width, set the 473 // corresponding background 474 backgroundResId = st.fullBackground; 475 } else { 476 // Otherwise, set the normal panel background 477 backgroundResId = st.background; 478 } 479 st.decorView.setWindowBackground(getContext().getResources().getDrawable( 480 backgroundResId)); 481 482 483 st.decorView.addView(st.shownPanelView, lp); 484 485 /* 486 * Give focus to the view, if it or one of its children does not 487 * already have it. 488 */ 489 if (!st.shownPanelView.hasFocus()) { 490 st.shownPanelView.requestFocus(); 491 } 492 } 493 494 st.isOpen = true; 495 st.isHandled = false; 496 497 WindowManager.LayoutParams lp = new WindowManager.LayoutParams( 498 WRAP_CONTENT, WRAP_CONTENT, 499 st.x, st.y, WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG, 500 WindowManager.LayoutParams.FLAG_DITHER 501 | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM 502 | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH, 503 st.decorView.mDefaultOpacity); 504 505 lp.gravity = st.gravity; 506 lp.windowAnimations = st.windowAnimations; 507 508 wm.addView(st.decorView, lp); 509 // Log.v(TAG, "Adding main menu to window manager."); 510 } 511 512 @Override 513 public final void closePanel(int featureId) { 514 if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null && 515 mActionBar.isOverflowReserved()) { 516 mActionBar.hideOverflowMenu(); 517 } else if (featureId == FEATURE_CONTEXT_MENU) { 518 closeContextMenu(); 519 } else { 520 closePanel(getPanelState(featureId, true), true); 521 } 522 } 523 524 /** 525 * Closes the given panel. 526 * 527 * @param st The panel to be closed. 528 * @param doCallback Whether to notify the callback that the panel was 529 * closed. If the panel is in the process of re-opening or 530 * opening another panel (e.g., menu opening a sub menu), the 531 * callback should not happen and this variable should be false. 532 * In addition, this method internally will only perform the 533 * callback if the panel is open. 534 */ 535 public final void closePanel(PanelFeatureState st, boolean doCallback) { 536 // System.out.println("Close panel: isOpen=" + st.isOpen); 537 final ViewManager wm = getWindowManager(); 538 if ((wm != null) && st.isOpen) { 539 if (st.decorView != null) { 540 wm.removeView(st.decorView); 541 // Log.v(TAG, "Removing main menu from window manager."); 542 } 543 544 if (doCallback) { 545 callOnPanelClosed(st.featureId, st, null); 546 } 547 } 548 st.isPrepared = false; 549 st.isHandled = false; 550 st.isOpen = false; 551 552 // This view is no longer shown, so null it out 553 st.shownPanelView = null; 554 555 if (st.isInExpandedMode) { 556 // Next time the menu opens, it should not be in expanded mode, so 557 // force a refresh of the decor 558 st.refreshDecorView = true; 559 st.isInExpandedMode = false; 560 } 561 562 if (mPreparedPanel == st) { 563 mPreparedPanel = null; 564 mPanelChordingKey = 0; 565 } 566 } 567 568 @Override 569 public final void togglePanel(int featureId, KeyEvent event) { 570 PanelFeatureState st = getPanelState(featureId, true); 571 if (st.isOpen) { 572 closePanel(st, true); 573 } else { 574 openPanel(st, event); 575 } 576 } 577 578 @Override 579 public void invalidatePanelMenu(int featureId) { 580 PanelFeatureState st = getPanelState(featureId, true); 581 if (st.menu != null) { 582 st.menu.clear(); 583 } 584 st.refreshMenuContent = true; 585 st.refreshDecorView = true; 586 587 // Prepare the options panel if we have an action bar 588 if ((featureId == FEATURE_ACTION_BAR || featureId == FEATURE_OPTIONS_PANEL) 589 && mActionBar != null) { 590 st = getPanelState(Window.FEATURE_OPTIONS_PANEL, false); 591 if (st != null) { 592 st.isPrepared = false; 593 preparePanel(st, null); 594 } 595 } 596 } 597 598 /** 599 * Called when the panel key is pushed down. 600 * @param featureId The feature ID of the relevant panel (defaults to FEATURE_OPTIONS_PANEL}. 601 * @param event The key event. 602 * @return Whether the key was handled. 603 */ 604 public final boolean onKeyDownPanel(int featureId, KeyEvent event) { 605 final int keyCode = event.getKeyCode(); 606 607 if (event.getRepeatCount() == 0) { 608 // The panel key was pushed, so set the chording key 609 mPanelChordingKey = keyCode; 610 mPanelMayLongPress = false; 611 612 PanelFeatureState st = getPanelState(featureId, true); 613 if (!st.isOpen) { 614 if (getContext().getResources().getConfiguration().keyboard 615 == Configuration.KEYBOARD_NOKEYS) { 616 mPanelMayLongPress = true; 617 } 618 return preparePanel(st, event); 619 } 620 } else if (mPanelMayLongPress && mPanelChordingKey == keyCode 621 && (event.getFlags()&KeyEvent.FLAG_LONG_PRESS) != 0) { 622 // We have had a long press while in a state where this 623 // should be executed... do it! 624 mPanelChordingKey = 0; 625 mPanelMayLongPress = false; 626 } 627 628 return false; 629 } 630 631 /** 632 * Called when the panel key is released. 633 * @param featureId The feature ID of the relevant panel (defaults to FEATURE_OPTIONS_PANEL}. 634 * @param event The key event. 635 */ 636 public final void onKeyUpPanel(int featureId, KeyEvent event) { 637 // The panel key was released, so clear the chording key 638 if (mPanelChordingKey != 0) { 639 mPanelChordingKey = 0; 640 mPanelMayLongPress = false; 641 642 if (event.isCanceled()) { 643 return; 644 } 645 646 boolean playSoundEffect = false; 647 final PanelFeatureState st = getPanelState(featureId, true); 648 if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null && 649 mActionBar.isOverflowReserved()) { 650 if (!mActionBar.isOverflowMenuShowing()) { 651 final Callback cb = getCallback(); 652 if (cb != null && 653 cb.onPreparePanel(featureId, st.createdPanelView, st.menu)) { 654 playSoundEffect = mActionBar.showOverflowMenu(); 655 } 656 } else { 657 playSoundEffect = mActionBar.hideOverflowMenu(); 658 } 659 } else { 660 if (st.isOpen || st.isHandled) { 661 662 // Play the sound effect if the user closed an open menu (and not if 663 // they just released a menu shortcut) 664 playSoundEffect = st.isOpen; 665 666 // Close menu 667 closePanel(st, true); 668 669 } else if (st.isPrepared) { 670 671 // Write 'menu opened' to event log 672 EventLog.writeEvent(50001, 0); 673 674 // Show menu 675 openPanel(st, event); 676 677 playSoundEffect = true; 678 } 679 } 680 681 if (playSoundEffect) { 682 AudioManager audioManager = (AudioManager) getContext().getSystemService( 683 Context.AUDIO_SERVICE); 684 if (audioManager != null) { 685 audioManager.playSoundEffect(AudioManager.FX_KEY_CLICK); 686 } else { 687 Log.w(TAG, "Couldn't get audio manager"); 688 } 689 } 690 } 691 } 692 693 @Override 694 public final void closeAllPanels() { 695 final ViewManager wm = getWindowManager(); 696 if (wm == null) { 697 return; 698 } 699 700 final PanelFeatureState[] panels = mPanels; 701 final int N = panels != null ? panels.length : 0; 702 for (int i = 0; i < N; i++) { 703 final PanelFeatureState panel = panels[i]; 704 if (panel != null) { 705 closePanel(panel, true); 706 } 707 } 708 709 closeContextMenu(); 710 } 711 712 /** 713 * Closes the context menu. This notifies the menu logic of the close, along 714 * with dismissing it from the UI. 715 */ 716 private synchronized void closeContextMenu() { 717 if (mContextMenu != null) { 718 mContextMenu.close(); 719 dismissContextMenu(); 720 } 721 } 722 723 /** 724 * Dismisses just the context menu UI. To close the context menu, use 725 * {@link #closeContextMenu()}. 726 */ 727 private synchronized void dismissContextMenu() { 728 mContextMenu = null; 729 730 if (mContextMenuHelper != null) { 731 mContextMenuHelper.dismiss(); 732 mContextMenuHelper = null; 733 } 734 } 735 736 @Override 737 public boolean performPanelShortcut(int featureId, int keyCode, KeyEvent event, int flags) { 738 return performPanelShortcut(getPanelState(featureId, true), keyCode, event, flags); 739 } 740 741 private boolean performPanelShortcut(PanelFeatureState st, int keyCode, KeyEvent event, 742 int flags) { 743 if (event.isSystem() || (st == null)) { 744 return false; 745 } 746 747 boolean handled = false; 748 749 // Only try to perform menu shortcuts if preparePanel returned true (possible false 750 // return value from application not wanting to show the menu). 751 if ((st.isPrepared || preparePanel(st, event)) && st.menu != null) { 752 // The menu is prepared now, perform the shortcut on it 753 handled = st.menu.performShortcut(keyCode, event, flags); 754 } 755 756 if (handled) { 757 // Mark as handled 758 st.isHandled = true; 759 760 if ((flags & Menu.FLAG_PERFORM_NO_CLOSE) == 0) { 761 closePanel(st, true); 762 } 763 } 764 765 return handled; 766 } 767 768 @Override 769 public boolean performPanelIdentifierAction(int featureId, int id, int flags) { 770 771 PanelFeatureState st = getPanelState(featureId, true); 772 if (!preparePanel(st, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU))) { 773 return false; 774 } 775 if (st.menu == null) { 776 return false; 777 } 778 779 boolean res = st.menu.performIdentifierAction(id, flags); 780 781 closePanel(st, true); 782 783 return res; 784 } 785 786 public PanelFeatureState findMenuPanel(Menu menu) { 787 final PanelFeatureState[] panels = mPanels; 788 final int N = panels != null ? panels.length : 0; 789 for (int i = 0; i < N; i++) { 790 final PanelFeatureState panel = panels[i]; 791 if (panel != null && panel.menu == menu) { 792 return panel; 793 } 794 } 795 return null; 796 } 797 798 public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) { 799 final Callback cb = getCallback(); 800 if (cb != null) { 801 final PanelFeatureState panel = findMenuPanel(menu.getRootMenu()); 802 if (panel != null) { 803 return cb.onMenuItemSelected(panel.featureId, item); 804 } 805 } 806 return false; 807 } 808 809 public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) { 810 final PanelFeatureState panel = findMenuPanel(menu); 811 if (panel != null) { 812 // Close the panel and only do the callback if the menu is being 813 // closed 814 // completely, not if opening a sub menu 815 closePanel(panel, allMenusAreClosing); 816 } 817 } 818 819 public void onCloseSubMenu(SubMenuBuilder subMenu) { 820 final Menu parentMenu = subMenu.getRootMenu(); 821 final PanelFeatureState panel = findMenuPanel(parentMenu); 822 823 // Callback 824 if (panel != null) { 825 callOnPanelClosed(panel.featureId, panel, parentMenu); 826 closePanel(panel, true); 827 } 828 } 829 830 public boolean onSubMenuSelected(final SubMenuBuilder subMenu) { 831 if (!subMenu.hasVisibleItems()) { 832 return true; 833 } 834 835 final Menu parentMenu = subMenu.getRootMenu(); 836 final PanelFeatureState panel = findMenuPanel(parentMenu); 837 838 /* 839 * Use the panel open state to determine whether this is coming from an open panel 840 * or an action button. If it's an open panel we want to use MenuDialogHelper. 841 * If it's closed we want to grab the relevant view and create a popup anchored to it. 842 */ 843 if (panel.isOpen) { 844 // The window manager will give us a valid window token 845 new MenuDialogHelper(subMenu).show(null); 846 } else { 847 new MenuPopupHelper(getContext(), subMenu).show(); 848 } 849 850 return true; 851 } 852 853 public void onMenuModeChange(MenuBuilder menu) { 854 reopenMenu(true); 855 } 856 857 private void reopenMenu(boolean toggleMenuMode) { 858 if (mActionBar != null) { 859 if (!mActionBar.isOverflowMenuShowing() || !toggleMenuMode) { 860 final Callback cb = getCallback(); 861 if (cb != null) { 862 final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true); 863 if (cb.onPreparePanel(FEATURE_OPTIONS_PANEL, st.createdPanelView, st.menu)) { 864 mActionBar.showOverflowMenu(); 865 } 866 } 867 } else { 868 mActionBar.hideOverflowMenu(); 869 } 870 return; 871 } 872 873 PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true); 874 875 // Save the future expanded mode state since closePanel will reset it 876 boolean newExpandedMode = toggleMenuMode ? !st.isInExpandedMode : st.isInExpandedMode; 877 878 st.refreshDecorView = true; 879 closePanel(st, false); 880 881 // Set the expanded mode state 882 st.isInExpandedMode = newExpandedMode; 883 884 openPanel(st, null); 885 } 886 887 /** 888 * Initializes the menu associated with the given panel feature state. You 889 * must at the very least set PanelFeatureState.menu to the Menu to be 890 * associated with the given panel state. The default implementation creates 891 * a new menu for the panel state. 892 * 893 * @param st The panel whose menu is being initialized. 894 * @return Whether the initialization was successful. 895 */ 896 protected boolean initializePanelMenu(final PanelFeatureState st) { 897 final MenuBuilder menu = new MenuBuilder(getContext()); 898 899 menu.setCallback(this); 900 st.setMenu(menu); 901 902 return true; 903 } 904 905 /** 906 * Perform initial setup of a panel. This should at the very least set the 907 * style information in the PanelFeatureState and must set 908 * PanelFeatureState.decor to the panel's window decor view. 909 * 910 * @param st The panel being initialized. 911 */ 912 protected boolean initializePanelDecor(PanelFeatureState st) { 913 st.decorView = new DecorView(getContext(), st.featureId); 914 st.gravity = Gravity.CENTER | Gravity.BOTTOM; 915 st.setStyle(getContext()); 916 917 return true; 918 } 919 920 /** 921 * Initializes the panel associated with the panel feature state. You must 922 * at the very least set PanelFeatureState.panel to the View implementing 923 * its contents. The default implementation gets the panel from the menu. 924 * 925 * @param st The panel state being initialized. 926 * @return Whether the initialization was successful. 927 */ 928 protected boolean initializePanelContent(PanelFeatureState st) { 929 930 if (st.createdPanelView != null) { 931 st.shownPanelView = st.createdPanelView; 932 return true; 933 } 934 935 final MenuBuilder menu = (MenuBuilder)st.menu; 936 if (menu == null) { 937 return false; 938 } 939 940 st.shownPanelView = menu.getMenuView((st.isInExpandedMode) ? MenuBuilder.TYPE_EXPANDED 941 : MenuBuilder.TYPE_ICON, st.decorView); 942 943 if (st.shownPanelView != null) { 944 // Use the menu View's default animations if it has any 945 final int defaultAnimations = ((MenuView) st.shownPanelView).getWindowAnimations(); 946 if (defaultAnimations != 0) { 947 st.windowAnimations = defaultAnimations; 948 } 949 return true; 950 } else { 951 return false; 952 } 953 } 954 955 @Override 956 public boolean performContextMenuIdentifierAction(int id, int flags) { 957 return (mContextMenu != null) ? mContextMenu.performIdentifierAction(id, flags) : false; 958 } 959 960 @Override 961 public final void setBackgroundDrawable(Drawable drawable) { 962 if (drawable != mBackgroundDrawable || mBackgroundResource != 0) { 963 mBackgroundResource = 0; 964 mBackgroundDrawable = drawable; 965 if (mDecor != null) { 966 mDecor.setWindowBackground(drawable); 967 } 968 } 969 } 970 971 @Override 972 public final void setFeatureDrawableResource(int featureId, int resId) { 973 if (resId != 0) { 974 DrawableFeatureState st = getDrawableState(featureId, true); 975 if (st.resid != resId) { 976 st.resid = resId; 977 st.uri = null; 978 st.local = getContext().getResources().getDrawable(resId); 979 updateDrawable(featureId, st, false); 980 } 981 } else { 982 setFeatureDrawable(featureId, null); 983 } 984 } 985 986 @Override 987 public final void setFeatureDrawableUri(int featureId, Uri uri) { 988 if (uri != null) { 989 DrawableFeatureState st = getDrawableState(featureId, true); 990 if (st.uri == null || !st.uri.equals(uri)) { 991 st.resid = 0; 992 st.uri = uri; 993 st.local = loadImageURI(uri); 994 updateDrawable(featureId, st, false); 995 } 996 } else { 997 setFeatureDrawable(featureId, null); 998 } 999 } 1000 1001 @Override 1002 public final void setFeatureDrawable(int featureId, Drawable drawable) { 1003 DrawableFeatureState st = getDrawableState(featureId, true); 1004 st.resid = 0; 1005 st.uri = null; 1006 if (st.local != drawable) { 1007 st.local = drawable; 1008 updateDrawable(featureId, st, false); 1009 } 1010 } 1011 1012 @Override 1013 public void setFeatureDrawableAlpha(int featureId, int alpha) { 1014 DrawableFeatureState st = getDrawableState(featureId, true); 1015 if (st.alpha != alpha) { 1016 st.alpha = alpha; 1017 updateDrawable(featureId, st, false); 1018 } 1019 } 1020 1021 protected final void setFeatureDefaultDrawable(int featureId, Drawable drawable) { 1022 DrawableFeatureState st = getDrawableState(featureId, true); 1023 if (st.def != drawable) { 1024 st.def = drawable; 1025 updateDrawable(featureId, st, false); 1026 } 1027 } 1028 1029 @Override 1030 public final void setFeatureInt(int featureId, int value) { 1031 // XXX Should do more management (as with drawable features) to 1032 // deal with interactions between multiple window policies. 1033 updateInt(featureId, value, false); 1034 } 1035 1036 /** 1037 * Update the state of a drawable feature. This should be called, for every 1038 * drawable feature supported, as part of onActive(), to make sure that the 1039 * contents of a containing window is properly updated. 1040 * 1041 * @see #onActive 1042 * @param featureId The desired drawable feature to change. 1043 * @param fromActive Always true when called from onActive(). 1044 */ 1045 protected final void updateDrawable(int featureId, boolean fromActive) { 1046 final DrawableFeatureState st = getDrawableState(featureId, false); 1047 if (st != null) { 1048 updateDrawable(featureId, st, fromActive); 1049 } 1050 } 1051 1052 /** 1053 * Called when a Drawable feature changes, for the window to update its 1054 * graphics. 1055 * 1056 * @param featureId The feature being changed. 1057 * @param drawable The new Drawable to show, or null if none. 1058 * @param alpha The new alpha blending of the Drawable. 1059 */ 1060 protected void onDrawableChanged(int featureId, Drawable drawable, int alpha) { 1061 ImageView view; 1062 if (featureId == FEATURE_LEFT_ICON) { 1063 view = getLeftIconView(); 1064 } else if (featureId == FEATURE_RIGHT_ICON) { 1065 view = getRightIconView(); 1066 } else { 1067 return; 1068 } 1069 1070 if (drawable != null) { 1071 drawable.setAlpha(alpha); 1072 view.setImageDrawable(drawable); 1073 view.setVisibility(View.VISIBLE); 1074 } else { 1075 view.setVisibility(View.GONE); 1076 } 1077 } 1078 1079 /** 1080 * Called when an int feature changes, for the window to update its 1081 * graphics. 1082 * 1083 * @param featureId The feature being changed. 1084 * @param value The new integer value. 1085 */ 1086 protected void onIntChanged(int featureId, int value) { 1087 if (featureId == FEATURE_PROGRESS || featureId == FEATURE_INDETERMINATE_PROGRESS) { 1088 updateProgressBars(value); 1089 } else if (featureId == FEATURE_CUSTOM_TITLE) { 1090 FrameLayout titleContainer = (FrameLayout) findViewById(com.android.internal.R.id.title_container); 1091 if (titleContainer != null) { 1092 mLayoutInflater.inflate(value, titleContainer); 1093 } 1094 } 1095 } 1096 1097 /** 1098 * Updates the progress bars that are shown in the title bar. 1099 * 1100 * @param value Can be one of {@link Window#PROGRESS_VISIBILITY_ON}, 1101 * {@link Window#PROGRESS_VISIBILITY_OFF}, 1102 * {@link Window#PROGRESS_INDETERMINATE_ON}, 1103 * {@link Window#PROGRESS_INDETERMINATE_OFF}, or a value 1104 * starting at {@link Window#PROGRESS_START} through 1105 * {@link Window#PROGRESS_END} for setting the default 1106 * progress (if {@link Window#PROGRESS_END} is given, 1107 * the progress bar widgets in the title will be hidden after an 1108 * animation), a value between 1109 * {@link Window#PROGRESS_SECONDARY_START} - 1110 * {@link Window#PROGRESS_SECONDARY_END} for the 1111 * secondary progress (if 1112 * {@link Window#PROGRESS_SECONDARY_END} is given, the 1113 * progress bar widgets will still be shown with the secondary 1114 * progress bar will be completely filled in.) 1115 */ 1116 private void updateProgressBars(int value) { 1117 ProgressBar circularProgressBar = getCircularProgressBar(true); 1118 ProgressBar horizontalProgressBar = getHorizontalProgressBar(true); 1119 1120 final int features = getLocalFeatures(); 1121 if (value == PROGRESS_VISIBILITY_ON) { 1122 if ((features & (1 << FEATURE_PROGRESS)) != 0) { 1123 int level = horizontalProgressBar.getProgress(); 1124 int visibility = (horizontalProgressBar.isIndeterminate() || level < 10000) ? 1125 View.VISIBLE : View.INVISIBLE; 1126 horizontalProgressBar.setVisibility(visibility); 1127 } 1128 if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) { 1129 circularProgressBar.setVisibility(View.VISIBLE); 1130 } 1131 } else if (value == PROGRESS_VISIBILITY_OFF) { 1132 if ((features & (1 << FEATURE_PROGRESS)) != 0) { 1133 horizontalProgressBar.setVisibility(View.GONE); 1134 } 1135 if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) { 1136 circularProgressBar.setVisibility(View.GONE); 1137 } 1138 } else if (value == PROGRESS_INDETERMINATE_ON) { 1139 horizontalProgressBar.setIndeterminate(true); 1140 } else if (value == PROGRESS_INDETERMINATE_OFF) { 1141 horizontalProgressBar.setIndeterminate(false); 1142 } else if (PROGRESS_START <= value && value <= PROGRESS_END) { 1143 // We want to set the progress value before testing for visibility 1144 // so that when the progress bar becomes visible again, it has the 1145 // correct level. 1146 horizontalProgressBar.setProgress(value - PROGRESS_START); 1147 1148 if (value < PROGRESS_END) { 1149 showProgressBars(horizontalProgressBar, circularProgressBar); 1150 } else { 1151 hideProgressBars(horizontalProgressBar, circularProgressBar); 1152 } 1153 } else if (PROGRESS_SECONDARY_START <= value && value <= PROGRESS_SECONDARY_END) { 1154 horizontalProgressBar.setSecondaryProgress(value - PROGRESS_SECONDARY_START); 1155 1156 showProgressBars(horizontalProgressBar, circularProgressBar); 1157 } 1158 1159 } 1160 1161 private void showProgressBars(ProgressBar horizontalProgressBar, ProgressBar spinnyProgressBar) { 1162 final int features = getLocalFeatures(); 1163 if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0 && 1164 spinnyProgressBar.getVisibility() == View.INVISIBLE) { 1165 spinnyProgressBar.setVisibility(View.VISIBLE); 1166 } 1167 // Only show the progress bars if the primary progress is not complete 1168 if ((features & (1 << FEATURE_PROGRESS)) != 0 && 1169 horizontalProgressBar.getProgress() < 10000) { 1170 horizontalProgressBar.setVisibility(View.VISIBLE); 1171 } 1172 } 1173 1174 private void hideProgressBars(ProgressBar horizontalProgressBar, ProgressBar spinnyProgressBar) { 1175 final int features = getLocalFeatures(); 1176 Animation anim = AnimationUtils.loadAnimation(getContext(), com.android.internal.R.anim.fade_out); 1177 anim.setDuration(1000); 1178 if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0 && 1179 spinnyProgressBar.getVisibility() == View.VISIBLE) { 1180 spinnyProgressBar.startAnimation(anim); 1181 spinnyProgressBar.setVisibility(View.INVISIBLE); 1182 } 1183 if ((features & (1 << FEATURE_PROGRESS)) != 0 && 1184 horizontalProgressBar.getVisibility() == View.VISIBLE) { 1185 horizontalProgressBar.startAnimation(anim); 1186 horizontalProgressBar.setVisibility(View.INVISIBLE); 1187 } 1188 } 1189 1190 /** 1191 * Request that key events come to this activity. Use this if your activity 1192 * has no views with focus, but the activity still wants a chance to process 1193 * key events. 1194 */ 1195 @Override 1196 public void takeKeyEvents(boolean get) { 1197 mDecor.setFocusable(get); 1198 } 1199 1200 @Override 1201 public boolean superDispatchKeyEvent(KeyEvent event) { 1202 return mDecor.superDispatchKeyEvent(event); 1203 } 1204 1205 @Override 1206 public boolean superDispatchTouchEvent(MotionEvent event) { 1207 return mDecor.superDispatchTouchEvent(event); 1208 } 1209 1210 @Override 1211 public boolean superDispatchTrackballEvent(MotionEvent event) { 1212 return mDecor.superDispatchTrackballEvent(event); 1213 } 1214 1215 /** 1216 * A key was pressed down and not handled by anything else in the window. 1217 * 1218 * @see #onKeyUp 1219 * @see android.view.KeyEvent 1220 */ 1221 protected boolean onKeyDown(int featureId, int keyCode, KeyEvent event) { 1222 /* **************************************************************************** 1223 * HOW TO DECIDE WHERE YOUR KEY HANDLING GOES. 1224 * 1225 * If your key handling must happen before the app gets a crack at the event, 1226 * it goes in PhoneWindowManager. 1227 * 1228 * If your key handling should happen in all windows, and does not depend on 1229 * the state of the current application, other than that the current 1230 * application can override the behavior by handling the event itself, it 1231 * should go in PhoneFallbackEventHandler. 1232 * 1233 * Only if your handling depends on the window, and the fact that it has 1234 * a DecorView, should it go here. 1235 * ****************************************************************************/ 1236 1237 final KeyEvent.DispatcherState dispatcher = 1238 mDecor != null ? mDecor.getKeyDispatcherState() : null; 1239 //Log.i(TAG, "Key down: repeat=" + event.getRepeatCount() 1240 // + " flags=0x" + Integer.toHexString(event.getFlags())); 1241 1242 switch (keyCode) { 1243 case KeyEvent.KEYCODE_VOLUME_UP: 1244 case KeyEvent.KEYCODE_VOLUME_DOWN: 1245 case KeyEvent.KEYCODE_VOLUME_MUTE: { 1246 // Similar code is in PhoneFallbackEventHandler in case the window 1247 // doesn't have one of these. In this case, we execute it here and 1248 // eat the event instead, because we have mVolumeControlStreamType 1249 // and they don't. 1250 getAudioManager().handleKeyDown(keyCode, mVolumeControlStreamType); 1251 return true; 1252 } 1253 1254 case KeyEvent.KEYCODE_MENU: { 1255 onKeyDownPanel((featureId < 0) ? FEATURE_OPTIONS_PANEL : featureId, event); 1256 return true; 1257 } 1258 1259 case KeyEvent.KEYCODE_BACK: { 1260 if (event.getRepeatCount() > 0) break; 1261 if (featureId < 0) break; 1262 // Currently don't do anything with long press. 1263 dispatcher.startTracking(event, this); 1264 return true; 1265 } 1266 1267 } 1268 1269 return false; 1270 } 1271 1272 private KeyguardManager getKeyguardManager() { 1273 if (mKeyguardManager == null) { 1274 mKeyguardManager = (KeyguardManager) getContext().getSystemService( 1275 Context.KEYGUARD_SERVICE); 1276 } 1277 return mKeyguardManager; 1278 } 1279 1280 AudioManager getAudioManager() { 1281 if (mAudioManager == null) { 1282 mAudioManager = (AudioManager)getContext().getSystemService(Context.AUDIO_SERVICE); 1283 } 1284 return mAudioManager; 1285 } 1286 1287 /** 1288 * A key was released and not handled by anything else in the window. 1289 * 1290 * @see #onKeyDown 1291 * @see android.view.KeyEvent 1292 */ 1293 protected boolean onKeyUp(int featureId, int keyCode, KeyEvent event) { 1294 final KeyEvent.DispatcherState dispatcher = 1295 mDecor != null ? mDecor.getKeyDispatcherState() : null; 1296 if (dispatcher != null) { 1297 dispatcher.handleUpEvent(event); 1298 } 1299 //Log.i(TAG, "Key up: repeat=" + event.getRepeatCount() 1300 // + " flags=0x" + Integer.toHexString(event.getFlags())); 1301 1302 switch (keyCode) { 1303 case KeyEvent.KEYCODE_VOLUME_UP: 1304 case KeyEvent.KEYCODE_VOLUME_DOWN: 1305 case KeyEvent.KEYCODE_VOLUME_MUTE: { 1306 // Similar code is in PhoneFallbackEventHandler in case the window 1307 // doesn't have one of these. In this case, we execute it here and 1308 // eat the event instead, because we have mVolumeControlStreamType 1309 // and they don't. 1310 getAudioManager().handleKeyUp(keyCode, mVolumeControlStreamType); 1311 return true; 1312 } 1313 1314 case KeyEvent.KEYCODE_MENU: { 1315 onKeyUpPanel(featureId < 0 ? FEATURE_OPTIONS_PANEL : featureId, 1316 event); 1317 return true; 1318 } 1319 1320 case KeyEvent.KEYCODE_BACK: { 1321 if (featureId < 0) break; 1322 if (event.isTracking() && !event.isCanceled()) { 1323 if (featureId == FEATURE_OPTIONS_PANEL) { 1324 PanelFeatureState st = getPanelState(featureId, false); 1325 if (st != null && st.isInExpandedMode) { 1326 // If the user is in an expanded menu and hits back, it 1327 // should go back to the icon menu 1328 reopenMenu(true); 1329 return true; 1330 } 1331 } 1332 closePanel(featureId); 1333 return true; 1334 } 1335 break; 1336 } 1337 1338 case KeyEvent.KEYCODE_SEARCH: { 1339 /* 1340 * Do this in onKeyUp since the Search key is also used for 1341 * chording quick launch shortcuts. 1342 */ 1343 if (getKeyguardManager().inKeyguardRestrictedInputMode()) { 1344 break; 1345 } 1346 if (event.isTracking() && !event.isCanceled()) { 1347 launchDefaultSearch(); 1348 } 1349 return true; 1350 } 1351 } 1352 1353 return false; 1354 } 1355 1356 @Override 1357 protected void onActive() { 1358 } 1359 1360 @Override 1361 public final View getDecorView() { 1362 if (mDecor == null) { 1363 installDecor(); 1364 } 1365 return mDecor; 1366 } 1367 1368 @Override 1369 public final View peekDecorView() { 1370 return mDecor; 1371 } 1372 1373 static private final String FOCUSED_ID_TAG = "android:focusedViewId"; 1374 static private final String VIEWS_TAG = "android:views"; 1375 static private final String PANELS_TAG = "android:Panels"; 1376 static private final String ACTION_BAR_TAG = "android:ActionBar"; 1377 1378 /** {@inheritDoc} */ 1379 @Override 1380 public Bundle saveHierarchyState() { 1381 Bundle outState = new Bundle(); 1382 if (mContentParent == null) { 1383 return outState; 1384 } 1385 1386 SparseArray<Parcelable> states = new SparseArray<Parcelable>(); 1387 mContentParent.saveHierarchyState(states); 1388 outState.putSparseParcelableArray(VIEWS_TAG, states); 1389 1390 // save the focused view id 1391 View focusedView = mContentParent.findFocus(); 1392 if (focusedView != null) { 1393 if (focusedView.getId() != View.NO_ID) { 1394 outState.putInt(FOCUSED_ID_TAG, focusedView.getId()); 1395 } else { 1396 if (Config.LOGD) { 1397 Log.d(TAG, "couldn't save which view has focus because the focused view " 1398 + focusedView + " has no id."); 1399 } 1400 } 1401 } 1402 1403 // save the panels 1404 SparseArray<Parcelable> panelStates = new SparseArray<Parcelable>(); 1405 savePanelState(panelStates); 1406 if (panelStates.size() > 0) { 1407 outState.putSparseParcelableArray(PANELS_TAG, panelStates); 1408 } 1409 1410 if (mActionBar != null) { 1411 outState.putBoolean(ACTION_BAR_TAG, mActionBar.isOverflowMenuShowing()); 1412 } 1413 1414 return outState; 1415 } 1416 1417 /** {@inheritDoc} */ 1418 @Override 1419 public void restoreHierarchyState(Bundle savedInstanceState) { 1420 if (mContentParent == null) { 1421 return; 1422 } 1423 1424 SparseArray<Parcelable> savedStates 1425 = savedInstanceState.getSparseParcelableArray(VIEWS_TAG); 1426 if (savedStates != null) { 1427 mContentParent.restoreHierarchyState(savedStates); 1428 } 1429 1430 // restore the focused view 1431 int focusedViewId = savedInstanceState.getInt(FOCUSED_ID_TAG, View.NO_ID); 1432 if (focusedViewId != View.NO_ID) { 1433 View needsFocus = mContentParent.findViewById(focusedViewId); 1434 if (needsFocus != null) { 1435 needsFocus.requestFocus(); 1436 } else { 1437 Log.w(TAG, 1438 "Previously focused view reported id " + focusedViewId 1439 + " during save, but can't be found during restore."); 1440 } 1441 } 1442 1443 // restore the panels 1444 SparseArray<Parcelable> panelStates = savedInstanceState.getSparseParcelableArray(PANELS_TAG); 1445 if (panelStates != null) { 1446 restorePanelState(panelStates); 1447 } 1448 1449 if (mActionBar != null && savedInstanceState.getBoolean(ACTION_BAR_TAG)) { 1450 mActionBar.postShowOverflowMenu(); 1451 } 1452 } 1453 1454 /** 1455 * Invoked when the panels should freeze their state. 1456 * 1457 * @param icicles Save state into this. This is usually indexed by the 1458 * featureId. This will be given to {@link #restorePanelState} in the 1459 * future. 1460 */ 1461 private void savePanelState(SparseArray<Parcelable> icicles) { 1462 PanelFeatureState[] panels = mPanels; 1463 if (panels == null) { 1464 return; 1465 } 1466 1467 for (int curFeatureId = panels.length - 1; curFeatureId >= 0; curFeatureId--) { 1468 if (panels[curFeatureId] != null) { 1469 icicles.put(curFeatureId, panels[curFeatureId].onSaveInstanceState()); 1470 } 1471 } 1472 } 1473 1474 /** 1475 * Invoked when the panels should thaw their state from a previously frozen state. 1476 * 1477 * @param icicles The state saved by {@link #savePanelState} that needs to be thawed. 1478 */ 1479 private void restorePanelState(SparseArray<Parcelable> icicles) { 1480 PanelFeatureState st; 1481 for (int curFeatureId = icicles.size() - 1; curFeatureId >= 0; curFeatureId--) { 1482 st = getPanelState(curFeatureId, false /* required */); 1483 if (st == null) { 1484 // The panel must not have been required, and is currently not around, skip it 1485 continue; 1486 } 1487 1488 st.onRestoreInstanceState(icicles.get(curFeatureId)); 1489 } 1490 1491 /* 1492 * Implementation note: call openPanelsAfterRestore later to actually open the 1493 * restored panels. 1494 */ 1495 } 1496 1497 /** 1498 * Opens the panels that have had their state restored. This should be 1499 * called sometime after {@link #restorePanelState} when it is safe to add 1500 * to the window manager. 1501 */ 1502 private void openPanelsAfterRestore() { 1503 PanelFeatureState[] panels = mPanels; 1504 1505 if (panels == null) { 1506 return; 1507 } 1508 1509 PanelFeatureState st; 1510 for (int i = panels.length - 1; i >= 0; i--) { 1511 st = panels[i]; 1512 // We restore the panel if it was last open; we skip it if it 1513 // now is open, to avoid a race condition if the user immediately 1514 // opens it when we are resuming. 1515 if ((st != null) && !st.isOpen && st.wasLastOpen) { 1516 st.isInExpandedMode = st.wasLastExpanded; 1517 openPanel(st, null); 1518 } 1519 } 1520 } 1521 1522 private final class DecorView extends FrameLayout implements RootViewSurfaceTaker { 1523 /* package */int mDefaultOpacity = PixelFormat.OPAQUE; 1524 1525 /** The feature ID of the panel, or -1 if this is the application's DecorView */ 1526 private final int mFeatureId; 1527 1528 private final Rect mDrawingBounds = new Rect(); 1529 1530 private final Rect mBackgroundPadding = new Rect(); 1531 1532 private final Rect mFramePadding = new Rect(); 1533 1534 private final Rect mFrameOffsets = new Rect(); 1535 1536 private boolean mChanging; 1537 1538 private Drawable mMenuBackground; 1539 private boolean mWatchingForMenu; 1540 private int mDownY; 1541 1542 private ActionMode mActionMode; 1543 private ActionBarContextView mActionModeView; 1544 private PopupWindow mActionModePopup; 1545 1546 public DecorView(Context context, int featureId) { 1547 super(context); 1548 mFeatureId = featureId; 1549 } 1550 1551 @Override 1552 public boolean dispatchKeyEvent(KeyEvent event) { 1553 final int keyCode = event.getKeyCode(); 1554 final int action = event.getAction(); 1555 final boolean isDown = action == KeyEvent.ACTION_DOWN; 1556 1557 if (isDown && (event.getRepeatCount() == 0)) { 1558 // First handle chording of panel key: if a panel key is held 1559 // but not released, try to execute a shortcut in it. 1560 if ((mPanelChordingKey > 0) && (mPanelChordingKey != keyCode)) { 1561 // Perform the shortcut (mPreparedPanel can be null since 1562 // global shortcuts (such as search) don't rely on a 1563 // prepared panel or menu). 1564 boolean handled = performPanelShortcut(mPreparedPanel, keyCode, event, 1565 Menu.FLAG_PERFORM_NO_CLOSE); 1566 1567 if (!handled) { 1568 /* 1569 * If not handled, then pass it to the view hierarchy 1570 * and anyone else that may be interested. 1571 */ 1572 handled = dispatchKeyShortcutEvent(event); 1573 1574 if (handled && mPreparedPanel != null) { 1575 mPreparedPanel.isHandled = true; 1576 } 1577 } 1578 1579 if (handled) { 1580 return true; 1581 } 1582 } 1583 1584 // If a panel is open, perform a shortcut on it without the 1585 // chorded panel key 1586 if ((mPreparedPanel != null) && mPreparedPanel.isOpen) { 1587 if (performPanelShortcut(mPreparedPanel, keyCode, event, 0)) { 1588 return true; 1589 } 1590 } 1591 } 1592 1593 // Back cancels action modes first. 1594 if (mActionMode != null && keyCode == KeyEvent.KEYCODE_BACK) { 1595 if (action == KeyEvent.ACTION_UP) { 1596 mActionMode.finish(); 1597 } 1598 return true; 1599 } 1600 1601 final Callback cb = getCallback(); 1602 final boolean handled = cb != null && mFeatureId < 0 ? cb.dispatchKeyEvent(event) 1603 : super.dispatchKeyEvent(event); 1604 if (handled) { 1605 return true; 1606 } 1607 return isDown ? PhoneWindow.this.onKeyDown(mFeatureId, event.getKeyCode(), event) 1608 : PhoneWindow.this.onKeyUp(mFeatureId, event.getKeyCode(), event); 1609 } 1610 1611 @Override 1612 public boolean dispatchTouchEvent(MotionEvent ev) { 1613 final Callback cb = getCallback(); 1614 return cb != null && mFeatureId < 0 ? cb.dispatchTouchEvent(ev) : super 1615 .dispatchTouchEvent(ev); 1616 } 1617 1618 @Override 1619 public boolean dispatchTrackballEvent(MotionEvent ev) { 1620 final Callback cb = getCallback(); 1621 return cb != null && mFeatureId < 0 ? cb.dispatchTrackballEvent(ev) : super 1622 .dispatchTrackballEvent(ev); 1623 } 1624 1625 public boolean superDispatchKeyEvent(KeyEvent event) { 1626 return super.dispatchKeyEvent(event); 1627 } 1628 1629 public boolean superDispatchTouchEvent(MotionEvent event) { 1630 return super.dispatchTouchEvent(event); 1631 } 1632 1633 public boolean superDispatchTrackballEvent(MotionEvent event) { 1634 return super.dispatchTrackballEvent(event); 1635 } 1636 1637 @Override 1638 public boolean onTouchEvent(MotionEvent event) { 1639 return onInterceptTouchEvent(event); 1640 } 1641 1642 private boolean isOutOfBounds(int x, int y) { 1643 return x < -5 || y < -5 || x > (getWidth() + 5) 1644 || y > (getHeight() + 5); 1645 } 1646 1647 @Override 1648 public boolean onInterceptTouchEvent(MotionEvent event) { 1649 int action = event.getAction(); 1650 if (mFeatureId >= 0) { 1651 if (action == MotionEvent.ACTION_DOWN) { 1652 int x = (int)event.getX(); 1653 int y = (int)event.getY(); 1654 if (isOutOfBounds(x, y)) { 1655 closePanel(mFeatureId); 1656 return true; 1657 } 1658 } 1659 } 1660 1661 if (!SWEEP_OPEN_MENU) { 1662 return false; 1663 } 1664 1665 if (mFeatureId >= 0) { 1666 if (action == MotionEvent.ACTION_DOWN) { 1667 Log.i(TAG, "Watchiing!"); 1668 mWatchingForMenu = true; 1669 mDownY = (int) event.getY(); 1670 return false; 1671 } 1672 1673 if (!mWatchingForMenu) { 1674 return false; 1675 } 1676 1677 int y = (int)event.getY(); 1678 if (action == MotionEvent.ACTION_MOVE) { 1679 if (y > (mDownY+30)) { 1680 Log.i(TAG, "Closing!"); 1681 closePanel(mFeatureId); 1682 mWatchingForMenu = false; 1683 return true; 1684 } 1685 } else if (action == MotionEvent.ACTION_UP) { 1686 mWatchingForMenu = false; 1687 } 1688 1689 return false; 1690 } 1691 1692 //Log.i(TAG, "Intercept: action=" + action + " y=" + event.getY() 1693 // + " (in " + getHeight() + ")"); 1694 1695 if (action == MotionEvent.ACTION_DOWN) { 1696 int y = (int)event.getY(); 1697 if (y >= (getHeight()-5) && !hasChildren()) { 1698 Log.i(TAG, "Watchiing!"); 1699 mWatchingForMenu = true; 1700 } 1701 return false; 1702 } 1703 1704 if (!mWatchingForMenu) { 1705 return false; 1706 } 1707 1708 int y = (int)event.getY(); 1709 if (action == MotionEvent.ACTION_MOVE) { 1710 if (y < (getHeight()-30)) { 1711 Log.i(TAG, "Opening!"); 1712 openPanel(FEATURE_OPTIONS_PANEL, new KeyEvent( 1713 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU)); 1714 mWatchingForMenu = false; 1715 return true; 1716 } 1717 } else if (action == MotionEvent.ACTION_UP) { 1718 mWatchingForMenu = false; 1719 } 1720 1721 return false; 1722 } 1723 1724 @Override 1725 public void sendAccessibilityEvent(int eventType) { 1726 if (!AccessibilityManager.getInstance(mContext).isEnabled()) { 1727 return; 1728 } 1729 1730 // if we are showing a feature that should be announced and one child 1731 // make this child the event source since this is the feature itself 1732 // otherwise the callback will take over and announce its client 1733 if ((mFeatureId == FEATURE_OPTIONS_PANEL || 1734 mFeatureId == FEATURE_CONTEXT_MENU || 1735 mFeatureId == FEATURE_PROGRESS || 1736 mFeatureId == FEATURE_INDETERMINATE_PROGRESS) 1737 && getChildCount() == 1) { 1738 getChildAt(0).sendAccessibilityEvent(eventType); 1739 } else { 1740 super.sendAccessibilityEvent(eventType); 1741 } 1742 } 1743 1744 @Override 1745 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 1746 final Callback cb = getCallback(); 1747 if (cb != null) { 1748 if (cb.dispatchPopulateAccessibilityEvent(event)) { 1749 return true; 1750 } 1751 } 1752 return super.dispatchPopulateAccessibilityEvent(event); 1753 } 1754 1755 @Override 1756 protected boolean setFrame(int l, int t, int r, int b) { 1757 boolean changed = super.setFrame(l, t, r, b); 1758 if (changed) { 1759 final Rect drawingBounds = mDrawingBounds; 1760 getDrawingRect(drawingBounds); 1761 1762 Drawable fg = getForeground(); 1763 if (fg != null) { 1764 final Rect frameOffsets = mFrameOffsets; 1765 drawingBounds.left += frameOffsets.left; 1766 drawingBounds.top += frameOffsets.top; 1767 drawingBounds.right -= frameOffsets.right; 1768 drawingBounds.bottom -= frameOffsets.bottom; 1769 fg.setBounds(drawingBounds); 1770 final Rect framePadding = mFramePadding; 1771 drawingBounds.left += framePadding.left - frameOffsets.left; 1772 drawingBounds.top += framePadding.top - frameOffsets.top; 1773 drawingBounds.right -= framePadding.right - frameOffsets.right; 1774 drawingBounds.bottom -= framePadding.bottom - frameOffsets.bottom; 1775 } 1776 1777 Drawable bg = getBackground(); 1778 if (bg != null) { 1779 bg.setBounds(drawingBounds); 1780 } 1781 1782 if (SWEEP_OPEN_MENU) { 1783 if (mMenuBackground == null && mFeatureId < 0 1784 && getAttributes().height 1785 == WindowManager.LayoutParams.MATCH_PARENT) { 1786 mMenuBackground = getContext().getResources().getDrawable( 1787 com.android.internal.R.drawable.menu_background); 1788 } 1789 if (mMenuBackground != null) { 1790 mMenuBackground.setBounds(drawingBounds.left, 1791 drawingBounds.bottom-6, drawingBounds.right, 1792 drawingBounds.bottom+20); 1793 } 1794 } 1795 } 1796 return changed; 1797 } 1798 1799 @Override 1800 public void draw(Canvas canvas) { 1801 super.draw(canvas); 1802 1803 if (mMenuBackground != null) { 1804 mMenuBackground.draw(canvas); 1805 } 1806 } 1807 1808 1809 @Override 1810 public boolean showContextMenuForChild(View originalView) { 1811 // Reuse the context menu builder 1812 if (mContextMenu == null) { 1813 mContextMenu = new ContextMenuBuilder(getContext()); 1814 mContextMenu.setCallback(mContextMenuCallback); 1815 } else { 1816 mContextMenu.clearAll(); 1817 } 1818 1819 mContextMenuHelper = mContextMenu.show(originalView, originalView.getWindowToken()); 1820 return mContextMenuHelper != null; 1821 } 1822 1823 @Override 1824 public ActionMode startActionModeForChild(View originalView, 1825 ActionMode.Callback callback) { 1826 // originalView can be used here to be sure that we don't obscure 1827 // relevant content with the context mode UI. 1828 return startActionMode(callback); 1829 } 1830 1831 @Override 1832 public ActionMode startActionMode(ActionMode.Callback callback) { 1833 if (mActionMode != null) { 1834 mActionMode.finish(); 1835 } 1836 1837 final ActionMode.Callback wrappedCallback = new ActionModeCallbackWrapper(callback); 1838 ActionMode mode = getCallback().onStartActionMode(wrappedCallback); 1839 if (mode != null) { 1840 mActionMode = mode; 1841 } else { 1842 if (mActionModeView == null) { 1843 if (hasFeature(FEATURE_ACTION_MODE_OVERLAY)) { 1844 mActionModeView = new ActionBarContextView(mContext); 1845 mActionModePopup = new PopupWindow(mContext); 1846 mActionModePopup.setLayoutInScreenEnabled(true); 1847 mActionModePopup.setClippingEnabled(false); 1848 mActionModePopup.setContentView(mActionModeView); 1849 mActionModePopup.setWidth(MATCH_PARENT); 1850 1851 TypedValue heightValue = new TypedValue(); 1852 mContext.getTheme().resolveAttribute( 1853 com.android.internal.R.attr.actionBarSize, heightValue, false); 1854 final int height = TypedValue.complexToDimensionPixelSize(heightValue.data, 1855 mContext.getResources().getDisplayMetrics()); 1856 mActionModePopup.setHeight(height); 1857 } else { 1858 ViewStub stub = (ViewStub) findViewById( 1859 com.android.internal.R.id.action_mode_bar_stub); 1860 if (stub != null) { 1861 mActionModeView = (ActionBarContextView) stub.inflate(); 1862 } 1863 } 1864 } 1865 1866 if (mActionModeView != null) { 1867 mode = new StandaloneActionMode(getContext(), mActionModeView, wrappedCallback); 1868 if (callback.onCreateActionMode(mode, mode.getMenu())) { 1869 mode.invalidate(); 1870 mActionModeView.initForMode(mode); 1871 mActionModeView.setVisibility(View.VISIBLE); 1872 mActionMode = mode; 1873 if (mActionModePopup != null) { 1874 mActionModePopup.showAtLocation(this, 1875 Gravity.TOP | Gravity.FILL_HORIZONTAL, 0, 0); 1876 } 1877 } else { 1878 mActionMode = null; 1879 } 1880 } 1881 } 1882 return mActionMode; 1883 } 1884 1885 public void startChanging() { 1886 mChanging = true; 1887 } 1888 1889 public void finishChanging() { 1890 mChanging = false; 1891 drawableChanged(); 1892 } 1893 1894 public void setWindowBackground(Drawable drawable) { 1895 if (getBackground() != drawable) { 1896 setBackgroundDrawable(drawable); 1897 if (drawable != null) { 1898 drawable.getPadding(mBackgroundPadding); 1899 } else { 1900 mBackgroundPadding.setEmpty(); 1901 } 1902 drawableChanged(); 1903 } 1904 } 1905 1906 public void setWindowFrame(Drawable drawable) { 1907 if (getForeground() != drawable) { 1908 setForeground(drawable); 1909 if (drawable != null) { 1910 drawable.getPadding(mFramePadding); 1911 } else { 1912 mFramePadding.setEmpty(); 1913 } 1914 drawableChanged(); 1915 } 1916 } 1917 1918 @Override 1919 protected boolean fitSystemWindows(Rect insets) { 1920 mFrameOffsets.set(insets); 1921 if (getForeground() != null) { 1922 drawableChanged(); 1923 } 1924 return super.fitSystemWindows(insets); 1925 } 1926 1927 private void drawableChanged() { 1928 if (mChanging) { 1929 return; 1930 } 1931 1932 setPadding(mFramePadding.left + mBackgroundPadding.left, mFramePadding.top 1933 + mBackgroundPadding.top, mFramePadding.right + mBackgroundPadding.right, 1934 mFramePadding.bottom + mBackgroundPadding.bottom); 1935 requestLayout(); 1936 invalidate(); 1937 1938 int opacity = PixelFormat.OPAQUE; 1939 1940 // Note: if there is no background, we will assume opaque. The 1941 // common case seems to be that an application sets there to be 1942 // no background so it can draw everything itself. For that, 1943 // we would like to assume OPAQUE and let the app force it to 1944 // the slower TRANSLUCENT mode if that is really what it wants. 1945 Drawable bg = getBackground(); 1946 Drawable fg = getForeground(); 1947 if (bg != null) { 1948 if (fg == null) { 1949 opacity = bg.getOpacity(); 1950 } else if (mFramePadding.left <= 0 && mFramePadding.top <= 0 1951 && mFramePadding.right <= 0 && mFramePadding.bottom <= 0) { 1952 // If the frame padding is zero, then we can be opaque 1953 // if either the frame -or- the background is opaque. 1954 int fop = fg.getOpacity(); 1955 int bop = bg.getOpacity(); 1956 if (Config.LOGV) 1957 Log.v(TAG, "Background opacity: " + bop + ", Frame opacity: " + fop); 1958 if (fop == PixelFormat.OPAQUE || bop == PixelFormat.OPAQUE) { 1959 opacity = PixelFormat.OPAQUE; 1960 } else if (fop == PixelFormat.UNKNOWN) { 1961 opacity = bop; 1962 } else if (bop == PixelFormat.UNKNOWN) { 1963 opacity = fop; 1964 } else { 1965 opacity = Drawable.resolveOpacity(fop, bop); 1966 } 1967 } else { 1968 // For now we have to assume translucent if there is a 1969 // frame with padding... there is no way to tell if the 1970 // frame and background together will draw all pixels. 1971 if (Config.LOGV) 1972 Log.v(TAG, "Padding: " + mFramePadding); 1973 opacity = PixelFormat.TRANSLUCENT; 1974 } 1975 } 1976 1977 if (Config.LOGV) 1978 Log.v(TAG, "Background: " + bg + ", Frame: " + fg); 1979 if (Config.LOGV) 1980 Log.v(TAG, "Selected default opacity: " + opacity); 1981 1982 mDefaultOpacity = opacity; 1983 if (mFeatureId < 0) { 1984 setDefaultWindowFormat(opacity); 1985 } 1986 } 1987 1988 @Override 1989 public void onWindowFocusChanged(boolean hasWindowFocus) { 1990 super.onWindowFocusChanged(hasWindowFocus); 1991 1992 mPanelMayLongPress = false; 1993 1994 // If the user is chording a menu shortcut, release the chord since 1995 // this window lost focus 1996 if (!hasWindowFocus && mPanelChordingKey != 0) { 1997 closePanel(FEATURE_OPTIONS_PANEL); 1998 } 1999 2000 final Callback cb = getCallback(); 2001 if (cb != null && mFeatureId < 0) { 2002 cb.onWindowFocusChanged(hasWindowFocus); 2003 } 2004 } 2005 2006 @Override 2007 protected void onAttachedToWindow() { 2008 super.onAttachedToWindow(); 2009 2010 final Callback cb = getCallback(); 2011 if (cb != null && mFeatureId < 0) { 2012 cb.onAttachedToWindow(); 2013 } 2014 2015 if (mFeatureId == -1) { 2016 /* 2017 * The main window has been attached, try to restore any panels 2018 * that may have been open before. This is called in cases where 2019 * an activity is being killed for configuration change and the 2020 * menu was open. When the activity is recreated, the menu 2021 * should be shown again. 2022 */ 2023 openPanelsAfterRestore(); 2024 } 2025 } 2026 2027 @Override 2028 protected void onDetachedFromWindow() { 2029 super.onDetachedFromWindow(); 2030 2031 final Callback cb = getCallback(); 2032 if (cb != null && mFeatureId < 0) { 2033 cb.onDetachedFromWindow(); 2034 } 2035 } 2036 2037 @Override 2038 public void onCloseSystemDialogs(String reason) { 2039 if (mFeatureId >= 0) { 2040 closeAllPanels(); 2041 } 2042 } 2043 2044 public android.view.SurfaceHolder.Callback2 willYouTakeTheSurface() { 2045 return mFeatureId < 0 ? mTakeSurfaceCallback : null; 2046 } 2047 2048 public InputQueue.Callback willYouTakeTheInputQueue() { 2049 return mFeatureId < 0 ? mTakeInputQueueCallback : null; 2050 } 2051 2052 public void setSurfaceType(int type) { 2053 PhoneWindow.this.setType(type); 2054 } 2055 2056 public void setSurfaceFormat(int format) { 2057 PhoneWindow.this.setFormat(format); 2058 } 2059 2060 public void setSurfaceKeepScreenOn(boolean keepOn) { 2061 if (keepOn) PhoneWindow.this.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2062 else PhoneWindow.this.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2063 } 2064 2065 /** 2066 * Clears out internal reference when the action mode is destroyed. 2067 */ 2068 private class ActionModeCallbackWrapper implements ActionMode.Callback { 2069 private ActionMode.Callback mWrapped; 2070 2071 public ActionModeCallbackWrapper(ActionMode.Callback wrapped) { 2072 mWrapped = wrapped; 2073 } 2074 2075 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2076 return mWrapped.onCreateActionMode(mode, menu); 2077 } 2078 2079 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2080 return mWrapped.onPrepareActionMode(mode, menu); 2081 } 2082 2083 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 2084 return mWrapped.onActionItemClicked(mode, item); 2085 } 2086 2087 public void onDestroyActionMode(ActionMode mode) { 2088 mWrapped.onDestroyActionMode(mode); 2089 if (mActionModePopup != null) { 2090 mActionModePopup.dismiss(); 2091 } else if (mActionModeView != null) { 2092 mActionModeView.setVisibility(GONE); 2093 } 2094 if (mActionModeView != null) { 2095 mActionModeView.removeAllViews(); 2096 } 2097 mActionMode = null; 2098 } 2099 } 2100 } 2101 2102 protected DecorView generateDecor() { 2103 return new DecorView(getContext(), -1); 2104 } 2105 2106 protected void setFeatureFromAttrs(int featureId, TypedArray attrs, 2107 int drawableAttr, int alphaAttr) { 2108 Drawable d = attrs.getDrawable(drawableAttr); 2109 if (d != null) { 2110 requestFeature(featureId); 2111 setFeatureDefaultDrawable(featureId, d); 2112 } 2113 if ((getFeatures() & (1 << featureId)) != 0) { 2114 int alpha = attrs.getInt(alphaAttr, -1); 2115 if (alpha >= 0) { 2116 setFeatureDrawableAlpha(featureId, alpha); 2117 } 2118 } 2119 } 2120 2121 protected ViewGroup generateLayout(DecorView decor) { 2122 // Apply data from current theme. 2123 2124 TypedArray a = getWindowStyle(); 2125 2126 if (false) { 2127 System.out.println("From style:"); 2128 String s = "Attrs:"; 2129 for (int i = 0; i < com.android.internal.R.styleable.Window.length; i++) { 2130 s = s + " " + Integer.toHexString(com.android.internal.R.styleable.Window[i]) + "=" 2131 + a.getString(i); 2132 } 2133 System.out.println(s); 2134 } 2135 2136 mIsFloating = a.getBoolean(com.android.internal.R.styleable.Window_windowIsFloating, false); 2137 int flagsToUpdate = (FLAG_LAYOUT_IN_SCREEN|FLAG_LAYOUT_INSET_DECOR) 2138 & (~getForcedWindowFlags()); 2139 if (mIsFloating) { 2140 setLayout(WRAP_CONTENT, WRAP_CONTENT); 2141 setFlags(0, flagsToUpdate); 2142 } else { 2143 setFlags(FLAG_LAYOUT_IN_SCREEN|FLAG_LAYOUT_INSET_DECOR, flagsToUpdate); 2144 } 2145 2146 if (a.getBoolean(com.android.internal.R.styleable.Window_windowNoTitle, false)) { 2147 requestFeature(FEATURE_NO_TITLE); 2148 } else if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionBar, false)) { 2149 // Don't allow an action bar if there is no title. 2150 requestFeature(FEATURE_ACTION_BAR); 2151 } 2152 2153 if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionBarOverlay, false)) { 2154 requestFeature(FEATURE_ACTION_BAR_OVERLAY); 2155 } 2156 2157 if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionModeOverlay, false)) { 2158 requestFeature(FEATURE_ACTION_MODE_OVERLAY); 2159 } 2160 2161 if (a.getBoolean(com.android.internal.R.styleable.Window_windowFullscreen, false)) { 2162 setFlags(FLAG_FULLSCREEN, FLAG_FULLSCREEN&(~getForcedWindowFlags())); 2163 } 2164 2165 if (a.getBoolean(com.android.internal.R.styleable.Window_windowShowWallpaper, false)) { 2166 setFlags(FLAG_SHOW_WALLPAPER, FLAG_SHOW_WALLPAPER&(~getForcedWindowFlags())); 2167 } 2168 2169 if (a.getBoolean(com.android.internal.R.styleable.Window_windowEnableSplitTouch, 2170 getContext().getApplicationInfo().targetSdkVersion 2171 >= android.os.Build.VERSION_CODES.HONEYCOMB)) { 2172 setFlags(FLAG_SPLIT_TOUCH, FLAG_SPLIT_TOUCH&(~getForcedWindowFlags())); 2173 } 2174 2175 if (getContext().getApplicationInfo().targetSdkVersion 2176 < android.os.Build.VERSION_CODES.HONEYCOMB) { 2177 addFlags(WindowManager.LayoutParams.FLAG_NEEDS_MENU_KEY); 2178 } 2179 2180 WindowManager.LayoutParams params = getAttributes(); 2181 2182 if (!hasSoftInputMode()) { 2183 params.softInputMode = a.getInt( 2184 com.android.internal.R.styleable.Window_windowSoftInputMode, 2185 params.softInputMode); 2186 } 2187 2188 if (a.getBoolean(com.android.internal.R.styleable.Window_backgroundDimEnabled, 2189 mIsFloating)) { 2190 /* All dialogs should have the window dimmed */ 2191 if ((getForcedWindowFlags()&WindowManager.LayoutParams.FLAG_DIM_BEHIND) == 0) { 2192 params.flags |= WindowManager.LayoutParams.FLAG_DIM_BEHIND; 2193 } 2194 params.dimAmount = a.getFloat( 2195 android.R.styleable.Window_backgroundDimAmount, 0.5f); 2196 } 2197 2198 if (params.windowAnimations == 0) { 2199 params.windowAnimations = a.getResourceId( 2200 com.android.internal.R.styleable.Window_windowAnimationStyle, 0); 2201 } 2202 2203 // The rest are only done if this window is not embedded; otherwise, 2204 // the values are inherited from our container. 2205 if (getContainer() == null) { 2206 if (mBackgroundDrawable == null) { 2207 if (mBackgroundResource == 0) { 2208 mBackgroundResource = a.getResourceId( 2209 com.android.internal.R.styleable.Window_windowBackground, 0); 2210 } 2211 if (mFrameResource == 0) { 2212 mFrameResource = a.getResourceId(com.android.internal.R.styleable.Window_windowFrame, 0); 2213 } 2214 if (false) { 2215 System.out.println("Background: " 2216 + Integer.toHexString(mBackgroundResource) + " Frame: " 2217 + Integer.toHexString(mFrameResource)); 2218 } 2219 } 2220 mTextColor = a.getColor(com.android.internal.R.styleable.Window_textColor, 0xFF000000); 2221 } 2222 2223 // Inflate the window decor. 2224 2225 int layoutResource; 2226 int features = getLocalFeatures(); 2227 // System.out.println("Features: 0x" + Integer.toHexString(features)); 2228 if ((features & ((1 << FEATURE_LEFT_ICON) | (1 << FEATURE_RIGHT_ICON))) != 0) { 2229 if (mIsFloating) { 2230 layoutResource = com.android.internal.R.layout.dialog_title_icons; 2231 } else { 2232 layoutResource = com.android.internal.R.layout.screen_title_icons; 2233 } 2234 // XXX Remove this once action bar supports these features. 2235 removeFeature(FEATURE_ACTION_BAR); 2236 // System.out.println("Title Icons!"); 2237 } else if ((features & ((1 << FEATURE_PROGRESS) | (1 << FEATURE_INDETERMINATE_PROGRESS))) != 0 2238 && (features & (1 << FEATURE_ACTION_BAR)) == 0) { 2239 // Special case for a window with only a progress bar (and title). 2240 // XXX Need to have a no-title version of embedded windows. 2241 layoutResource = com.android.internal.R.layout.screen_progress; 2242 // System.out.println("Progress!"); 2243 } else if ((features & (1 << FEATURE_CUSTOM_TITLE)) != 0) { 2244 // Special case for a window with a custom title. 2245 // If the window is floating, we need a dialog layout 2246 if (mIsFloating) { 2247 layoutResource = com.android.internal.R.layout.dialog_custom_title; 2248 } else { 2249 layoutResource = com.android.internal.R.layout.screen_custom_title; 2250 } 2251 // XXX Remove this once action bar supports these features. 2252 removeFeature(FEATURE_ACTION_BAR); 2253 } else if ((features & (1 << FEATURE_NO_TITLE)) == 0) { 2254 // If no other features and not embedded, only need a title. 2255 // If the window is floating, we need a dialog layout 2256 if (mIsFloating) { 2257 layoutResource = com.android.internal.R.layout.dialog_title; 2258 } else if ((features & (1 << FEATURE_ACTION_BAR)) != 0) { 2259 if ((features & (1 << FEATURE_ACTION_BAR_OVERLAY)) != 0) { 2260 layoutResource = com.android.internal.R.layout.screen_action_bar_overlay; 2261 } else { 2262 layoutResource = com.android.internal.R.layout.screen_action_bar; 2263 } 2264 } else { 2265 layoutResource = com.android.internal.R.layout.screen_title; 2266 } 2267 // System.out.println("Title!"); 2268 } else { 2269 // Embedded, so no decoration is needed. 2270 layoutResource = com.android.internal.R.layout.screen_simple; 2271 // System.out.println("Simple!"); 2272 } 2273 2274 mDecor.startChanging(); 2275 2276 View in = mLayoutInflater.inflate(layoutResource, null); 2277 decor.addView(in, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)); 2278 2279 ViewGroup contentParent = (ViewGroup)findViewById(ID_ANDROID_CONTENT); 2280 if (contentParent == null) { 2281 throw new RuntimeException("Window couldn't find content container view"); 2282 } 2283 2284 if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) { 2285 ProgressBar progress = getCircularProgressBar(false); 2286 if (progress != null) { 2287 progress.setIndeterminate(true); 2288 } 2289 } 2290 2291 // Remaining setup -- of background and title -- that only applies 2292 // to top-level windows. 2293 if (getContainer() == null) { 2294 Drawable drawable = mBackgroundDrawable; 2295 if (mBackgroundResource != 0) { 2296 drawable = getContext().getResources().getDrawable(mBackgroundResource); 2297 } 2298 mDecor.setWindowBackground(drawable); 2299 drawable = null; 2300 if (mFrameResource != 0) { 2301 drawable = getContext().getResources().getDrawable(mFrameResource); 2302 } 2303 mDecor.setWindowFrame(drawable); 2304 2305 // System.out.println("Text=" + Integer.toHexString(mTextColor) + 2306 // " Sel=" + Integer.toHexString(mTextSelectedColor) + 2307 // " Title=" + Integer.toHexString(mTitleColor)); 2308 2309 if (mTitleColor == 0) { 2310 mTitleColor = mTextColor; 2311 } 2312 2313 if (mTitle != null) { 2314 setTitle(mTitle); 2315 } 2316 setTitleColor(mTitleColor); 2317 } 2318 2319 mDecor.finishChanging(); 2320 2321 return contentParent; 2322 } 2323 2324 private void installDecor() { 2325 if (mDecor == null) { 2326 mDecor = generateDecor(); 2327 mDecor.setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS); 2328 mDecor.setIsRootNamespace(true); 2329 } 2330 if (mContentParent == null) { 2331 mContentParent = generateLayout(mDecor); 2332 2333 mTitleView = (TextView)findViewById(com.android.internal.R.id.title); 2334 if (mTitleView != null) { 2335 if ((getLocalFeatures() & (1 << FEATURE_NO_TITLE)) != 0) { 2336 View titleContainer = findViewById(com.android.internal.R.id.title_container); 2337 if (titleContainer != null) { 2338 titleContainer.setVisibility(View.GONE); 2339 } else { 2340 mTitleView.setVisibility(View.GONE); 2341 } 2342 if (mContentParent instanceof FrameLayout) { 2343 ((FrameLayout)mContentParent).setForeground(null); 2344 } 2345 } else { 2346 mTitleView.setText(mTitle); 2347 } 2348 } else { 2349 mActionBar = (ActionBarView) findViewById(com.android.internal.R.id.action_bar); 2350 if (mActionBar != null) { 2351 if (mActionBar.getTitle() == null) { 2352 mActionBar.setWindowTitle(mTitle); 2353 } 2354 final int localFeatures = getLocalFeatures(); 2355 if ((localFeatures & (1 << FEATURE_PROGRESS)) != 0) { 2356 mActionBar.initProgress(); 2357 } 2358 if ((localFeatures & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) { 2359 mActionBar.initIndeterminateProgress(); 2360 } 2361 // Post the panel invalidate for later; avoid application onCreateOptionsMenu 2362 // being called in the middle of onCreate or similar. 2363 mDecor.post(new Runnable() { 2364 public void run() { 2365 if (!isDestroyed()) { 2366 invalidatePanelMenu(FEATURE_ACTION_BAR); 2367 } 2368 } 2369 }); 2370 } 2371 } 2372 } 2373 } 2374 2375 private Drawable loadImageURI(Uri uri) { 2376 try { 2377 return Drawable.createFromStream( 2378 getContext().getContentResolver().openInputStream(uri), null); 2379 } catch (Exception e) { 2380 Log.w(TAG, "Unable to open content: " + uri); 2381 } 2382 return null; 2383 } 2384 2385 private DrawableFeatureState getDrawableState(int featureId, boolean required) { 2386 if ((getFeatures() & (1 << featureId)) == 0) { 2387 if (!required) { 2388 return null; 2389 } 2390 throw new RuntimeException("The feature has not been requested"); 2391 } 2392 2393 DrawableFeatureState[] ar; 2394 if ((ar = mDrawables) == null || ar.length <= featureId) { 2395 DrawableFeatureState[] nar = new DrawableFeatureState[featureId + 1]; 2396 if (ar != null) { 2397 System.arraycopy(ar, 0, nar, 0, ar.length); 2398 } 2399 mDrawables = ar = nar; 2400 } 2401 2402 DrawableFeatureState st = ar[featureId]; 2403 if (st == null) { 2404 ar[featureId] = st = new DrawableFeatureState(featureId); 2405 } 2406 return st; 2407 } 2408 2409 /** 2410 * Gets a panel's state based on its feature ID. 2411 * 2412 * @param featureId The feature ID of the panel. 2413 * @param required Whether the panel is required (if it is required and it 2414 * isn't in our features, this throws an exception). 2415 * @return The panel state. 2416 */ 2417 private PanelFeatureState getPanelState(int featureId, boolean required) { 2418 return getPanelState(featureId, required, null); 2419 } 2420 2421 /** 2422 * Gets a panel's state based on its feature ID. 2423 * 2424 * @param featureId The feature ID of the panel. 2425 * @param required Whether the panel is required (if it is required and it 2426 * isn't in our features, this throws an exception). 2427 * @param convertPanelState Optional: If the panel state does not exist, use 2428 * this as the panel state. 2429 * @return The panel state. 2430 */ 2431 private PanelFeatureState getPanelState(int featureId, boolean required, 2432 PanelFeatureState convertPanelState) { 2433 if ((getFeatures() & (1 << featureId)) == 0) { 2434 if (!required) { 2435 return null; 2436 } 2437 throw new RuntimeException("The feature has not been requested"); 2438 } 2439 2440 PanelFeatureState[] ar; 2441 if ((ar = mPanels) == null || ar.length <= featureId) { 2442 PanelFeatureState[] nar = new PanelFeatureState[featureId + 1]; 2443 if (ar != null) { 2444 System.arraycopy(ar, 0, nar, 0, ar.length); 2445 } 2446 mPanels = ar = nar; 2447 } 2448 2449 PanelFeatureState st = ar[featureId]; 2450 if (st == null) { 2451 ar[featureId] = st = (convertPanelState != null) 2452 ? convertPanelState 2453 : new PanelFeatureState(featureId); 2454 } 2455 return st; 2456 } 2457 2458 @Override 2459 public final void setChildDrawable(int featureId, Drawable drawable) { 2460 DrawableFeatureState st = getDrawableState(featureId, true); 2461 st.child = drawable; 2462 updateDrawable(featureId, st, false); 2463 } 2464 2465 @Override 2466 public final void setChildInt(int featureId, int value) { 2467 updateInt(featureId, value, false); 2468 } 2469 2470 @Override 2471 public boolean isShortcutKey(int keyCode, KeyEvent event) { 2472 PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true); 2473 return st.menu != null && st.menu.isShortcutKey(keyCode, event); 2474 } 2475 2476 private void updateDrawable(int featureId, DrawableFeatureState st, boolean fromResume) { 2477 // Do nothing if the decor is not yet installed... an update will 2478 // need to be forced when we eventually become active. 2479 if (mContentParent == null) { 2480 return; 2481 } 2482 2483 final int featureMask = 1 << featureId; 2484 2485 if ((getFeatures() & featureMask) == 0 && !fromResume) { 2486 return; 2487 } 2488 2489 Drawable drawable = null; 2490 if (st != null) { 2491 drawable = st.child; 2492 if (drawable == null) 2493 drawable = st.local; 2494 if (drawable == null) 2495 drawable = st.def; 2496 } 2497 if ((getLocalFeatures() & featureMask) == 0) { 2498 if (getContainer() != null) { 2499 if (isActive() || fromResume) { 2500 getContainer().setChildDrawable(featureId, drawable); 2501 } 2502 } 2503 } else if (st != null && (st.cur != drawable || st.curAlpha != st.alpha)) { 2504 // System.out.println("Drawable changed: old=" + st.cur 2505 // + ", new=" + drawable); 2506 st.cur = drawable; 2507 st.curAlpha = st.alpha; 2508 onDrawableChanged(featureId, drawable, st.alpha); 2509 } 2510 } 2511 2512 private void updateInt(int featureId, int value, boolean fromResume) { 2513 2514 // Do nothing if the decor is not yet installed... an update will 2515 // need to be forced when we eventually become active. 2516 if (mContentParent == null) { 2517 return; 2518 } 2519 2520 final int featureMask = 1 << featureId; 2521 2522 if ((getFeatures() & featureMask) == 0 && !fromResume) { 2523 return; 2524 } 2525 2526 if ((getLocalFeatures() & featureMask) == 0) { 2527 if (getContainer() != null) { 2528 getContainer().setChildInt(featureId, value); 2529 } 2530 } else { 2531 onIntChanged(featureId, value); 2532 } 2533 } 2534 2535 private ImageView getLeftIconView() { 2536 if (mLeftIconView != null) { 2537 return mLeftIconView; 2538 } 2539 if (mContentParent == null) { 2540 installDecor(); 2541 } 2542 return (mLeftIconView = (ImageView)findViewById(com.android.internal.R.id.left_icon)); 2543 } 2544 2545 private ProgressBar getCircularProgressBar(boolean shouldInstallDecor) { 2546 if (mCircularProgressBar != null) { 2547 return mCircularProgressBar; 2548 } 2549 if (mContentParent == null && shouldInstallDecor) { 2550 installDecor(); 2551 } 2552 mCircularProgressBar = (ProgressBar) findViewById(com.android.internal.R.id.progress_circular); 2553 if (mCircularProgressBar != null) { 2554 mCircularProgressBar.setVisibility(View.INVISIBLE); 2555 } 2556 return mCircularProgressBar; 2557 } 2558 2559 private ProgressBar getHorizontalProgressBar(boolean shouldInstallDecor) { 2560 if (mHorizontalProgressBar != null) { 2561 return mHorizontalProgressBar; 2562 } 2563 if (mContentParent == null && shouldInstallDecor) { 2564 installDecor(); 2565 } 2566 mHorizontalProgressBar = (ProgressBar) findViewById(com.android.internal.R.id.progress_horizontal); 2567 if (mHorizontalProgressBar != null) { 2568 mHorizontalProgressBar.setVisibility(View.INVISIBLE); 2569 } 2570 return mHorizontalProgressBar; 2571 } 2572 2573 private ImageView getRightIconView() { 2574 if (mRightIconView != null) { 2575 return mRightIconView; 2576 } 2577 if (mContentParent == null) { 2578 installDecor(); 2579 } 2580 return (mRightIconView = (ImageView)findViewById(com.android.internal.R.id.right_icon)); 2581 } 2582 2583 /** 2584 * Helper method for calling the {@link Callback#onPanelClosed(int, Menu)} 2585 * callback. This method will grab whatever extra state is needed for the 2586 * callback that isn't given in the parameters. If the panel is not open, 2587 * this will not perform the callback. 2588 * 2589 * @param featureId Feature ID of the panel that was closed. Must be given. 2590 * @param panel Panel that was closed. Optional but useful if there is no 2591 * menu given. 2592 * @param menu The menu that was closed. Optional, but give if you have. 2593 */ 2594 private void callOnPanelClosed(int featureId, PanelFeatureState panel, Menu menu) { 2595 final Callback cb = getCallback(); 2596 if (cb == null) 2597 return; 2598 2599 // Try to get a menu 2600 if (menu == null) { 2601 // Need a panel to grab the menu, so try to get that 2602 if (panel == null) { 2603 if ((featureId >= 0) && (featureId < mPanels.length)) { 2604 panel = mPanels[featureId]; 2605 } 2606 } 2607 2608 if (panel != null) { 2609 // menu still may be null, which is okay--we tried our best 2610 menu = panel.menu; 2611 } 2612 } 2613 2614 // If the panel is not open, do not callback 2615 if ((panel != null) && (!panel.isOpen)) 2616 return; 2617 2618 cb.onPanelClosed(featureId, menu); 2619 } 2620 2621 /** 2622 * Helper method for adding launch-search to most applications. Opens the 2623 * search window using default settings. 2624 * 2625 * @return true if search window opened 2626 */ 2627 private boolean launchDefaultSearch() { 2628 final Callback cb = getCallback(); 2629 if (cb == null) { 2630 return false; 2631 } else { 2632 sendCloseSystemWindows("search"); 2633 return cb.onSearchRequested(); 2634 } 2635 } 2636 2637 @Override 2638 public void setVolumeControlStream(int streamType) { 2639 mVolumeControlStreamType = streamType; 2640 } 2641 2642 @Override 2643 public int getVolumeControlStream() { 2644 return mVolumeControlStreamType; 2645 } 2646 2647 private static final class DrawableFeatureState { 2648 DrawableFeatureState(int _featureId) { 2649 featureId = _featureId; 2650 } 2651 2652 final int featureId; 2653 2654 int resid; 2655 2656 Uri uri; 2657 2658 Drawable local; 2659 2660 Drawable child; 2661 2662 Drawable def; 2663 2664 Drawable cur; 2665 2666 int alpha = 255; 2667 2668 int curAlpha = 255; 2669 } 2670 2671 private static final class PanelFeatureState { 2672 2673 /** Feature ID for this panel. */ 2674 int featureId; 2675 2676 // Information pulled from the style for this panel. 2677 2678 int background; 2679 2680 /** The background when the panel spans the entire available width. */ 2681 int fullBackground; 2682 2683 int gravity; 2684 2685 int x; 2686 2687 int y; 2688 2689 int windowAnimations; 2690 2691 /** Dynamic state of the panel. */ 2692 DecorView decorView; 2693 2694 /** The panel that was returned by onCreatePanelView(). */ 2695 View createdPanelView; 2696 2697 /** The panel that we are actually showing. */ 2698 View shownPanelView; 2699 2700 /** Use {@link #setMenu} to set this. */ 2701 Menu menu; 2702 2703 /** 2704 * Whether the panel has been prepared (see 2705 * {@link PhoneWindow#preparePanel}). 2706 */ 2707 boolean isPrepared; 2708 2709 /** 2710 * Whether an item's action has been performed. This happens in obvious 2711 * scenarios (user clicks on menu item), but can also happen with 2712 * chording menu+(shortcut key). 2713 */ 2714 boolean isHandled; 2715 2716 boolean isOpen; 2717 2718 /** 2719 * True if the menu is in expanded mode, false if the menu is in icon 2720 * mode 2721 */ 2722 boolean isInExpandedMode; 2723 2724 public boolean qwertyMode; 2725 2726 boolean refreshDecorView; 2727 2728 boolean refreshMenuContent; 2729 2730 boolean wasLastOpen; 2731 2732 boolean wasLastExpanded; 2733 2734 /** 2735 * Contains the state of the menu when told to freeze. 2736 */ 2737 Bundle frozenMenuState; 2738 2739 PanelFeatureState(int featureId) { 2740 this.featureId = featureId; 2741 2742 refreshDecorView = false; 2743 } 2744 2745 void setStyle(Context context) { 2746 TypedArray a = context.obtainStyledAttributes(com.android.internal.R.styleable.Theme); 2747 background = a.getResourceId( 2748 com.android.internal.R.styleable.Theme_panelBackground, 0); 2749 fullBackground = a.getResourceId( 2750 com.android.internal.R.styleable.Theme_panelFullBackground, 0); 2751 windowAnimations = a.getResourceId( 2752 com.android.internal.R.styleable.Theme_windowAnimationStyle, 0); 2753 a.recycle(); 2754 } 2755 2756 void setMenu(Menu menu) { 2757 this.menu = menu; 2758 2759 if (frozenMenuState != null) { 2760 ((MenuBuilder) menu).restoreHierarchyState(frozenMenuState); 2761 frozenMenuState = null; 2762 } 2763 } 2764 2765 Parcelable onSaveInstanceState() { 2766 SavedState savedState = new SavedState(); 2767 savedState.featureId = featureId; 2768 savedState.isOpen = isOpen; 2769 savedState.isInExpandedMode = isInExpandedMode; 2770 2771 if (menu != null) { 2772 savedState.menuState = new Bundle(); 2773 ((MenuBuilder) menu).saveHierarchyState(savedState.menuState); 2774 } 2775 2776 return savedState; 2777 } 2778 2779 void onRestoreInstanceState(Parcelable state) { 2780 SavedState savedState = (SavedState) state; 2781 featureId = savedState.featureId; 2782 wasLastOpen = savedState.isOpen; 2783 wasLastExpanded = savedState.isInExpandedMode; 2784 frozenMenuState = savedState.menuState; 2785 2786 /* 2787 * A LocalActivityManager keeps the same instance of this class around. 2788 * The first time the menu is being shown after restoring, the 2789 * Activity.onCreateOptionsMenu should be called. But, if it is the 2790 * same instance then menu != null and we won't call that method. 2791 * So, clear this. Also clear any cached views. 2792 */ 2793 menu = null; 2794 createdPanelView = null; 2795 shownPanelView = null; 2796 decorView = null; 2797 } 2798 2799 private static class SavedState implements Parcelable { 2800 int featureId; 2801 boolean isOpen; 2802 boolean isInExpandedMode; 2803 Bundle menuState; 2804 2805 public int describeContents() { 2806 return 0; 2807 } 2808 2809 public void writeToParcel(Parcel dest, int flags) { 2810 dest.writeInt(featureId); 2811 dest.writeInt(isOpen ? 1 : 0); 2812 dest.writeInt(isInExpandedMode ? 1 : 0); 2813 2814 if (isOpen) { 2815 dest.writeBundle(menuState); 2816 } 2817 } 2818 2819 private static SavedState readFromParcel(Parcel source) { 2820 SavedState savedState = new SavedState(); 2821 savedState.featureId = source.readInt(); 2822 savedState.isOpen = source.readInt() == 1; 2823 savedState.isInExpandedMode = source.readInt() == 1; 2824 2825 if (savedState.isOpen) { 2826 savedState.menuState = source.readBundle(); 2827 } 2828 2829 return savedState; 2830 } 2831 2832 public static final Parcelable.Creator<SavedState> CREATOR 2833 = new Parcelable.Creator<SavedState>() { 2834 public SavedState createFromParcel(Parcel in) { 2835 return readFromParcel(in); 2836 } 2837 2838 public SavedState[] newArray(int size) { 2839 return new SavedState[size]; 2840 } 2841 }; 2842 } 2843 2844 } 2845 2846 /** 2847 * Simple implementation of MenuBuilder.Callback that: 2848 * <li> Opens a submenu when selected. 2849 * <li> Calls back to the callback's onMenuItemSelected when an item is 2850 * selected. 2851 */ 2852 private final class DialogMenuCallback implements MenuBuilder.Callback { 2853 private int mFeatureId; 2854 private MenuDialogHelper mSubMenuHelper; 2855 2856 public DialogMenuCallback(int featureId) { 2857 mFeatureId = featureId; 2858 } 2859 2860 public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) { 2861 if (allMenusAreClosing) { 2862 Callback callback = getCallback(); 2863 if (callback != null) callback.onPanelClosed(mFeatureId, menu); 2864 2865 if (menu == mContextMenu) { 2866 dismissContextMenu(); 2867 } 2868 2869 // Dismiss the submenu, if it is showing 2870 if (mSubMenuHelper != null) { 2871 mSubMenuHelper.dismiss(); 2872 mSubMenuHelper = null; 2873 } 2874 } 2875 } 2876 2877 public void onCloseSubMenu(SubMenuBuilder menu) { 2878 Callback callback = getCallback(); 2879 if (callback != null) callback.onPanelClosed(mFeatureId, menu.getRootMenu()); 2880 } 2881 2882 public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) { 2883 Callback callback = getCallback(); 2884 return (callback != null) && callback.onMenuItemSelected(mFeatureId, item); 2885 } 2886 2887 public void onMenuModeChange(MenuBuilder menu) { 2888 } 2889 2890 public boolean onSubMenuSelected(SubMenuBuilder subMenu) { 2891 // Set a simple callback for the submenu 2892 subMenu.setCallback(this); 2893 2894 // The window manager will give us a valid window token 2895 mSubMenuHelper = new MenuDialogHelper(subMenu); 2896 mSubMenuHelper.show(null); 2897 2898 return true; 2899 } 2900 } 2901 2902 void sendCloseSystemWindows() { 2903 PhoneWindowManager.sendCloseSystemWindows(getContext(), null); 2904 } 2905 2906 void sendCloseSystemWindows(String reason) { 2907 PhoneWindowManager.sendCloseSystemWindows(getContext(), reason); 2908 } 2909} 2910