1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.internal.app; 18 19 import com.android.internal.view.ActionBarPolicy; 20 import com.android.internal.view.menu.MenuBuilder; 21 import com.android.internal.view.menu.MenuPopupHelper; 22 import com.android.internal.view.menu.SubMenuBuilder; 23 import com.android.internal.widget.ActionBarContainer; 24 import com.android.internal.widget.ActionBarContextView; 25 import com.android.internal.widget.ActionBarOverlayLayout; 26 import com.android.internal.widget.ActionBarView; 27 import com.android.internal.widget.ScrollingTabContainerView; 28 29 import android.animation.Animator; 30 import android.animation.Animator.AnimatorListener; 31 import android.animation.AnimatorListenerAdapter; 32 import android.animation.AnimatorSet; 33 import android.animation.ObjectAnimator; 34 import android.app.ActionBar; 35 import android.app.Activity; 36 import android.app.Dialog; 37 import android.app.FragmentTransaction; 38 import android.content.Context; 39 import android.content.res.Configuration; 40 import android.content.res.Resources; 41 import android.graphics.drawable.Drawable; 42 import android.os.Handler; 43 import android.util.Log; 44 import android.util.TypedValue; 45 import android.view.ActionMode; 46 import android.view.ContextThemeWrapper; 47 import android.view.LayoutInflater; 48 import android.view.Menu; 49 import android.view.MenuInflater; 50 import android.view.MenuItem; 51 import android.view.View; 52 import android.view.ViewGroup; 53 import android.view.Window; 54 import android.view.accessibility.AccessibilityEvent; 55 import android.view.animation.AnimationUtils; 56 import android.widget.SpinnerAdapter; 57 58 import java.lang.ref.WeakReference; 59 import java.util.ArrayList; 60 61 /** 62 * ActionBarImpl is the ActionBar implementation used 63 * by devices of all screen sizes. If it detects a compatible decor, 64 * it will split contextual modes across both the ActionBarView at 65 * the top of the screen and a horizontal LinearLayout at the bottom 66 * which is normally hidden. 67 */ 68 public class ActionBarImpl extends ActionBar { 69 private static final String TAG = "ActionBarImpl"; 70 71 private Context mContext; 72 private Context mThemedContext; 73 private Activity mActivity; 74 private Dialog mDialog; 75 76 private ActionBarOverlayLayout mOverlayLayout; 77 private ActionBarContainer mContainerView; 78 private ViewGroup mTopVisibilityView; 79 private ActionBarView mActionView; 80 private ActionBarContextView mContextView; 81 private ActionBarContainer mSplitView; 82 private View mContentView; 83 private ScrollingTabContainerView mTabScrollView; 84 85 private ArrayList<TabImpl> mTabs = new ArrayList<TabImpl>(); 86 87 private TabImpl mSelectedTab; 88 private int mSavedTabPosition = INVALID_POSITION; 89 90 private boolean mDisplayHomeAsUpSet; 91 92 ActionModeImpl mActionMode; 93 ActionMode mDeferredDestroyActionMode; 94 ActionMode.Callback mDeferredModeDestroyCallback; 95 96 private boolean mLastMenuVisibility; 97 private ArrayList<OnMenuVisibilityListener> mMenuVisibilityListeners = 98 new ArrayList<OnMenuVisibilityListener>(); 99 100 private static final int CONTEXT_DISPLAY_NORMAL = 0; 101 private static final int CONTEXT_DISPLAY_SPLIT = 1; 102 103 private static final int INVALID_POSITION = -1; 104 105 private int mContextDisplayMode; 106 private boolean mHasEmbeddedTabs; 107 108 final Handler mHandler = new Handler(); 109 Runnable mTabSelector; 110 111 private int mCurWindowVisibility = View.VISIBLE; 112 113 private boolean mHiddenByApp; 114 private boolean mHiddenBySystem; 115 private boolean mShowingForMode; 116 117 private boolean mNowShowing = true; 118 119 private Animator mCurrentShowAnim; 120 private boolean mShowHideAnimationEnabled; 121 122 final AnimatorListener mHideListener = new AnimatorListenerAdapter() { 123 @Override 124 public void onAnimationEnd(Animator animation) { 125 if (mContentView != null) { 126 mContentView.setTranslationY(0); 127 mTopVisibilityView.setTranslationY(0); 128 } 129 if (mSplitView != null && mContextDisplayMode == CONTEXT_DISPLAY_SPLIT) { 130 mSplitView.setVisibility(View.GONE); 131 } 132 mTopVisibilityView.setVisibility(View.GONE); 133 mContainerView.setTransitioning(false); 134 mCurrentShowAnim = null; 135 completeDeferredDestroyActionMode(); 136 if (mOverlayLayout != null) { 137 mOverlayLayout.requestFitSystemWindows(); 138 } 139 } 140 }; 141 142 final AnimatorListener mShowListener = new AnimatorListenerAdapter() { 143 @Override 144 public void onAnimationEnd(Animator animation) { 145 mCurrentShowAnim = null; 146 mTopVisibilityView.requestLayout(); 147 } 148 }; 149 150 public ActionBarImpl(Activity activity) { 151 mActivity = activity; 152 Window window = activity.getWindow(); 153 View decor = window.getDecorView(); 154 init(decor); 155 if (!mActivity.getWindow().hasFeature(Window.FEATURE_ACTION_BAR_OVERLAY)) { 156 mContentView = decor.findViewById(android.R.id.content); 157 } 158 } 159 160 public ActionBarImpl(Dialog dialog) { 161 mDialog = dialog; 162 init(dialog.getWindow().getDecorView()); 163 } 164 165 private void init(View decor) { 166 mContext = decor.getContext(); 167 mOverlayLayout = (ActionBarOverlayLayout) decor.findViewById( 168 com.android.internal.R.id.action_bar_overlay_layout); 169 if (mOverlayLayout != null) { 170 mOverlayLayout.setActionBar(this); 171 } 172 mActionView = (ActionBarView) decor.findViewById(com.android.internal.R.id.action_bar); 173 mContextView = (ActionBarContextView) decor.findViewById( 174 com.android.internal.R.id.action_context_bar); 175 mContainerView = (ActionBarContainer) decor.findViewById( 176 com.android.internal.R.id.action_bar_container); 177 mTopVisibilityView = (ViewGroup)decor.findViewById( 178 com.android.internal.R.id.top_action_bar); 179 if (mTopVisibilityView == null) { 180 mTopVisibilityView = mContainerView; 181 } 182 mSplitView = (ActionBarContainer) decor.findViewById( 183 com.android.internal.R.id.split_action_bar); 184 185 if (mActionView == null || mContextView == null || mContainerView == null) { 186 throw new IllegalStateException(getClass().getSimpleName() + " can only be used " + 187 "with a compatible window decor layout"); 188 } 189 190 mActionView.setContextView(mContextView); 191 mContextDisplayMode = mActionView.isSplitActionBar() ? 192 CONTEXT_DISPLAY_SPLIT : CONTEXT_DISPLAY_NORMAL; 193 194 // This was initially read from the action bar style 195 final int current = mActionView.getDisplayOptions(); 196 final boolean homeAsUp = (current & DISPLAY_HOME_AS_UP) != 0; 197 if (homeAsUp) { 198 mDisplayHomeAsUpSet = true; 199 } 200 201 ActionBarPolicy abp = ActionBarPolicy.get(mContext); 202 setHomeButtonEnabled(abp.enableHomeButtonByDefault() || homeAsUp); 203 setHasEmbeddedTabs(abp.hasEmbeddedTabs()); 204 } 205 206 public void onConfigurationChanged(Configuration newConfig) { 207 setHasEmbeddedTabs(ActionBarPolicy.get(mContext).hasEmbeddedTabs()); 208 } 209 210 private void setHasEmbeddedTabs(boolean hasEmbeddedTabs) { 211 mHasEmbeddedTabs = hasEmbeddedTabs; 212 // Switch tab layout configuration if needed 213 if (!mHasEmbeddedTabs) { 214 mActionView.setEmbeddedTabView(null); 215 mContainerView.setTabContainer(mTabScrollView); 216 } else { 217 mContainerView.setTabContainer(null); 218 mActionView.setEmbeddedTabView(mTabScrollView); 219 } 220 final boolean isInTabMode = getNavigationMode() == NAVIGATION_MODE_TABS; 221 if (mTabScrollView != null) { 222 if (isInTabMode) { 223 mTabScrollView.setVisibility(View.VISIBLE); 224 if (mOverlayLayout != null) { 225 mOverlayLayout.requestFitSystemWindows(); 226 } 227 } else { 228 mTabScrollView.setVisibility(View.GONE); 229 } 230 } 231 mActionView.setCollapsable(!mHasEmbeddedTabs && isInTabMode); 232 } 233 234 public boolean hasNonEmbeddedTabs() { 235 return !mHasEmbeddedTabs && getNavigationMode() == NAVIGATION_MODE_TABS; 236 } 237 238 private void ensureTabsExist() { 239 if (mTabScrollView != null) { 240 return; 241 } 242 243 ScrollingTabContainerView tabScroller = new ScrollingTabContainerView(mContext); 244 245 if (mHasEmbeddedTabs) { 246 tabScroller.setVisibility(View.VISIBLE); 247 mActionView.setEmbeddedTabView(tabScroller); 248 } else { 249 if (getNavigationMode() == NAVIGATION_MODE_TABS) { 250 tabScroller.setVisibility(View.VISIBLE); 251 if (mOverlayLayout != null) { 252 mOverlayLayout.requestFitSystemWindows(); 253 } 254 } else { 255 tabScroller.setVisibility(View.GONE); 256 } 257 mContainerView.setTabContainer(tabScroller); 258 } 259 mTabScrollView = tabScroller; 260 } 261 262 void completeDeferredDestroyActionMode() { 263 if (mDeferredModeDestroyCallback != null) { 264 mDeferredModeDestroyCallback.onDestroyActionMode(mDeferredDestroyActionMode); 265 mDeferredDestroyActionMode = null; 266 mDeferredModeDestroyCallback = null; 267 } 268 } 269 270 public void setWindowVisibility(int visibility) { 271 mCurWindowVisibility = visibility; 272 } 273 274 /** 275 * Enables or disables animation between show/hide states. 276 * If animation is disabled using this method, animations in progress 277 * will be finished. 278 * 279 * @param enabled true to animate, false to not animate. 280 */ 281 public void setShowHideAnimationEnabled(boolean enabled) { 282 mShowHideAnimationEnabled = enabled; 283 if (!enabled && mCurrentShowAnim != null) { 284 mCurrentShowAnim.end(); 285 } 286 } 287 288 public void addOnMenuVisibilityListener(OnMenuVisibilityListener listener) { 289 mMenuVisibilityListeners.add(listener); 290 } 291 292 public void removeOnMenuVisibilityListener(OnMenuVisibilityListener listener) { 293 mMenuVisibilityListeners.remove(listener); 294 } 295 296 public void dispatchMenuVisibilityChanged(boolean isVisible) { 297 if (isVisible == mLastMenuVisibility) { 298 return; 299 } 300 mLastMenuVisibility = isVisible; 301 302 final int count = mMenuVisibilityListeners.size(); 303 for (int i = 0; i < count; i++) { 304 mMenuVisibilityListeners.get(i).onMenuVisibilityChanged(isVisible); 305 } 306 } 307 308 @Override 309 public void setCustomView(int resId) { 310 setCustomView(LayoutInflater.from(getThemedContext()).inflate(resId, mActionView, false)); 311 } 312 313 @Override 314 public void setDisplayUseLogoEnabled(boolean useLogo) { 315 setDisplayOptions(useLogo ? DISPLAY_USE_LOGO : 0, DISPLAY_USE_LOGO); 316 } 317 318 @Override 319 public void setDisplayShowHomeEnabled(boolean showHome) { 320 setDisplayOptions(showHome ? DISPLAY_SHOW_HOME : 0, DISPLAY_SHOW_HOME); 321 } 322 323 @Override 324 public void setDisplayHomeAsUpEnabled(boolean showHomeAsUp) { 325 setDisplayOptions(showHomeAsUp ? DISPLAY_HOME_AS_UP : 0, DISPLAY_HOME_AS_UP); 326 } 327 328 @Override 329 public void setDisplayShowTitleEnabled(boolean showTitle) { 330 setDisplayOptions(showTitle ? DISPLAY_SHOW_TITLE : 0, DISPLAY_SHOW_TITLE); 331 } 332 333 @Override 334 public void setDisplayShowCustomEnabled(boolean showCustom) { 335 setDisplayOptions(showCustom ? DISPLAY_SHOW_CUSTOM : 0, DISPLAY_SHOW_CUSTOM); 336 } 337 338 @Override 339 public void setHomeButtonEnabled(boolean enable) { 340 mActionView.setHomeButtonEnabled(enable); 341 } 342 343 @Override 344 public void setTitle(int resId) { 345 setTitle(mContext.getString(resId)); 346 } 347 348 @Override 349 public void setSubtitle(int resId) { 350 setSubtitle(mContext.getString(resId)); 351 } 352 353 public void setSelectedNavigationItem(int position) { 354 switch (mActionView.getNavigationMode()) { 355 case NAVIGATION_MODE_TABS: 356 selectTab(mTabs.get(position)); 357 break; 358 case NAVIGATION_MODE_LIST: 359 mActionView.setDropdownSelectedPosition(position); 360 break; 361 default: 362 throw new IllegalStateException( 363 "setSelectedNavigationIndex not valid for current navigation mode"); 364 } 365 } 366 367 public void removeAllTabs() { 368 cleanupTabs(); 369 } 370 371 private void cleanupTabs() { 372 if (mSelectedTab != null) { 373 selectTab(null); 374 } 375 mTabs.clear(); 376 if (mTabScrollView != null) { 377 mTabScrollView.removeAllTabs(); 378 } 379 mSavedTabPosition = INVALID_POSITION; 380 } 381 382 public void setTitle(CharSequence title) { 383 mActionView.setTitle(title); 384 } 385 386 public void setSubtitle(CharSequence subtitle) { 387 mActionView.setSubtitle(subtitle); 388 } 389 390 public void setDisplayOptions(int options) { 391 if ((options & DISPLAY_HOME_AS_UP) != 0) { 392 mDisplayHomeAsUpSet = true; 393 } 394 mActionView.setDisplayOptions(options); 395 } 396 397 public void setDisplayOptions(int options, int mask) { 398 final int current = mActionView.getDisplayOptions(); 399 if ((mask & DISPLAY_HOME_AS_UP) != 0) { 400 mDisplayHomeAsUpSet = true; 401 } 402 mActionView.setDisplayOptions((options & mask) | (current & ~mask)); 403 } 404 405 public void setBackgroundDrawable(Drawable d) { 406 mContainerView.setPrimaryBackground(d); 407 } 408 409 public void setStackedBackgroundDrawable(Drawable d) { 410 mContainerView.setStackedBackground(d); 411 } 412 413 public void setSplitBackgroundDrawable(Drawable d) { 414 if (mSplitView != null) { 415 mSplitView.setSplitBackground(d); 416 } 417 } 418 419 public View getCustomView() { 420 return mActionView.getCustomNavigationView(); 421 } 422 423 public CharSequence getTitle() { 424 return mActionView.getTitle(); 425 } 426 427 public CharSequence getSubtitle() { 428 return mActionView.getSubtitle(); 429 } 430 431 public int getNavigationMode() { 432 return mActionView.getNavigationMode(); 433 } 434 435 public int getDisplayOptions() { 436 return mActionView.getDisplayOptions(); 437 } 438 439 public ActionMode startActionMode(ActionMode.Callback callback) { 440 if (mActionMode != null) { 441 mActionMode.finish(); 442 } 443 444 mContextView.killMode(); 445 ActionModeImpl mode = new ActionModeImpl(callback); 446 if (mode.dispatchOnCreate()) { 447 mode.invalidate(); 448 mContextView.initForMode(mode); 449 animateToMode(true); 450 if (mSplitView != null && mContextDisplayMode == CONTEXT_DISPLAY_SPLIT) { 451 // TODO animate this 452 if (mSplitView.getVisibility() != View.VISIBLE) { 453 mSplitView.setVisibility(View.VISIBLE); 454 if (mOverlayLayout != null) { 455 mOverlayLayout.requestFitSystemWindows(); 456 } 457 } 458 } 459 mContextView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 460 mActionMode = mode; 461 return mode; 462 } 463 return null; 464 } 465 466 private void configureTab(Tab tab, int position) { 467 final TabImpl tabi = (TabImpl) tab; 468 final ActionBar.TabListener callback = tabi.getCallback(); 469 470 if (callback == null) { 471 throw new IllegalStateException("Action Bar Tab must have a Callback"); 472 } 473 474 tabi.setPosition(position); 475 mTabs.add(position, tabi); 476 477 final int count = mTabs.size(); 478 for (int i = position + 1; i < count; i++) { 479 mTabs.get(i).setPosition(i); 480 } 481 } 482 483 @Override 484 public void addTab(Tab tab) { 485 addTab(tab, mTabs.isEmpty()); 486 } 487 488 @Override 489 public void addTab(Tab tab, int position) { 490 addTab(tab, position, mTabs.isEmpty()); 491 } 492 493 @Override 494 public void addTab(Tab tab, boolean setSelected) { 495 ensureTabsExist(); 496 mTabScrollView.addTab(tab, setSelected); 497 configureTab(tab, mTabs.size()); 498 if (setSelected) { 499 selectTab(tab); 500 } 501 } 502 503 @Override 504 public void addTab(Tab tab, int position, boolean setSelected) { 505 ensureTabsExist(); 506 mTabScrollView.addTab(tab, position, setSelected); 507 configureTab(tab, position); 508 if (setSelected) { 509 selectTab(tab); 510 } 511 } 512 513 @Override 514 public Tab newTab() { 515 return new TabImpl(); 516 } 517 518 @Override 519 public void removeTab(Tab tab) { 520 removeTabAt(tab.getPosition()); 521 } 522 523 @Override 524 public void removeTabAt(int position) { 525 if (mTabScrollView == null) { 526 // No tabs around to remove 527 return; 528 } 529 530 int selectedTabPosition = mSelectedTab != null 531 ? mSelectedTab.getPosition() : mSavedTabPosition; 532 mTabScrollView.removeTabAt(position); 533 TabImpl removedTab = mTabs.remove(position); 534 if (removedTab != null) { 535 removedTab.setPosition(-1); 536 } 537 538 final int newTabCount = mTabs.size(); 539 for (int i = position; i < newTabCount; i++) { 540 mTabs.get(i).setPosition(i); 541 } 542 543 if (selectedTabPosition == position) { 544 selectTab(mTabs.isEmpty() ? null : mTabs.get(Math.max(0, position - 1))); 545 } 546 } 547 548 @Override 549 public void selectTab(Tab tab) { 550 if (getNavigationMode() != NAVIGATION_MODE_TABS) { 551 mSavedTabPosition = tab != null ? tab.getPosition() : INVALID_POSITION; 552 return; 553 } 554 555 final FragmentTransaction trans = mActivity.getFragmentManager().beginTransaction() 556 .disallowAddToBackStack(); 557 558 if (mSelectedTab == tab) { 559 if (mSelectedTab != null) { 560 mSelectedTab.getCallback().onTabReselected(mSelectedTab, trans); 561 mTabScrollView.animateToTab(tab.getPosition()); 562 } 563 } else { 564 mTabScrollView.setTabSelected(tab != null ? tab.getPosition() : Tab.INVALID_POSITION); 565 if (mSelectedTab != null) { 566 mSelectedTab.getCallback().onTabUnselected(mSelectedTab, trans); 567 } 568 mSelectedTab = (TabImpl) tab; 569 if (mSelectedTab != null) { 570 mSelectedTab.getCallback().onTabSelected(mSelectedTab, trans); 571 } 572 } 573 574 if (!trans.isEmpty()) { 575 trans.commit(); 576 } 577 } 578 579 @Override 580 public Tab getSelectedTab() { 581 return mSelectedTab; 582 } 583 584 @Override 585 public int getHeight() { 586 return mContainerView.getHeight(); 587 } 588 589 @Override 590 public void show() { 591 if (mHiddenByApp) { 592 mHiddenByApp = false; 593 updateVisibility(false); 594 } 595 } 596 597 private void showForActionMode() { 598 if (!mShowingForMode) { 599 mShowingForMode = true; 600 if (mOverlayLayout != null) { 601 mOverlayLayout.setShowingForActionMode(true); 602 } 603 updateVisibility(false); 604 } 605 } 606 607 public void showForSystem() { 608 if (mHiddenBySystem) { 609 mHiddenBySystem = false; 610 updateVisibility(true); 611 } 612 } 613 614 @Override 615 public void hide() { 616 if (!mHiddenByApp) { 617 mHiddenByApp = true; 618 updateVisibility(false); 619 } 620 } 621 622 private void hideForActionMode() { 623 if (mShowingForMode) { 624 mShowingForMode = false; 625 if (mOverlayLayout != null) { 626 mOverlayLayout.setShowingForActionMode(false); 627 } 628 updateVisibility(false); 629 } 630 } 631 632 public void hideForSystem() { 633 if (!mHiddenBySystem) { 634 mHiddenBySystem = true; 635 updateVisibility(true); 636 } 637 } 638 639 private static boolean checkShowingFlags(boolean hiddenByApp, boolean hiddenBySystem, 640 boolean showingForMode) { 641 if (showingForMode) { 642 return true; 643 } else if (hiddenByApp || hiddenBySystem) { 644 return false; 645 } else { 646 return true; 647 } 648 } 649 650 private void updateVisibility(boolean fromSystem) { 651 // Based on the current state, should we be hidden or shown? 652 final boolean shown = checkShowingFlags(mHiddenByApp, mHiddenBySystem, 653 mShowingForMode); 654 655 if (shown) { 656 if (!mNowShowing) { 657 mNowShowing = true; 658 doShow(fromSystem); 659 } 660 } else { 661 if (mNowShowing) { 662 mNowShowing = false; 663 doHide(fromSystem); 664 } 665 } 666 } 667 668 public void doShow(boolean fromSystem) { 669 if (mCurrentShowAnim != null) { 670 mCurrentShowAnim.end(); 671 } 672 mTopVisibilityView.setVisibility(View.VISIBLE); 673 674 if (mCurWindowVisibility == View.VISIBLE && (mShowHideAnimationEnabled 675 || fromSystem)) { 676 mTopVisibilityView.setTranslationY(0); // because we're about to ask its window loc 677 float startingY = -mTopVisibilityView.getHeight(); 678 if (fromSystem) { 679 int topLeft[] = {0, 0}; 680 mTopVisibilityView.getLocationInWindow(topLeft); 681 startingY -= topLeft[1]; 682 } 683 mTopVisibilityView.setTranslationY(startingY); 684 AnimatorSet anim = new AnimatorSet(); 685 AnimatorSet.Builder b = anim.play(ObjectAnimator.ofFloat(mTopVisibilityView, 686 "translationY", 0)); 687 if (mContentView != null) { 688 b.with(ObjectAnimator.ofFloat(mContentView, "translationY", 689 startingY, 0)); 690 } 691 if (mSplitView != null && mContextDisplayMode == CONTEXT_DISPLAY_SPLIT) { 692 mSplitView.setTranslationY(mSplitView.getHeight()); 693 mSplitView.setVisibility(View.VISIBLE); 694 b.with(ObjectAnimator.ofFloat(mSplitView, "translationY", 0)); 695 } 696 anim.setInterpolator(AnimationUtils.loadInterpolator(mContext, 697 com.android.internal.R.interpolator.decelerate_cubic)); 698 anim.setDuration(250); 699 // If this is being shown from the system, add a small delay. 700 // This is because we will also be animating in the status bar, 701 // and these two elements can't be done in lock-step. So we give 702 // a little time for the status bar to start its animation before 703 // the action bar animates. (This corresponds to the corresponding 704 // case when hiding, where the status bar has a small delay before 705 // starting.) 706 anim.addListener(mShowListener); 707 mCurrentShowAnim = anim; 708 anim.start(); 709 } else { 710 mTopVisibilityView.setAlpha(1); 711 mTopVisibilityView.setTranslationY(0); 712 if (mContentView != null) { 713 mContentView.setTranslationY(0); 714 } 715 if (mSplitView != null && mContextDisplayMode == CONTEXT_DISPLAY_SPLIT) { 716 mSplitView.setAlpha(1); 717 mSplitView.setTranslationY(0); 718 mSplitView.setVisibility(View.VISIBLE); 719 } 720 mShowListener.onAnimationEnd(null); 721 } 722 if (mOverlayLayout != null) { 723 mOverlayLayout.requestFitSystemWindows(); 724 } 725 } 726 727 public void doHide(boolean fromSystem) { 728 if (mCurrentShowAnim != null) { 729 mCurrentShowAnim.end(); 730 } 731 732 if (mCurWindowVisibility == View.VISIBLE && (mShowHideAnimationEnabled 733 || fromSystem)) { 734 mTopVisibilityView.setAlpha(1); 735 mContainerView.setTransitioning(true); 736 AnimatorSet anim = new AnimatorSet(); 737 float endingY = -mTopVisibilityView.getHeight(); 738 if (fromSystem) { 739 int topLeft[] = {0, 0}; 740 mTopVisibilityView.getLocationInWindow(topLeft); 741 endingY -= topLeft[1]; 742 } 743 AnimatorSet.Builder b = anim.play(ObjectAnimator.ofFloat(mTopVisibilityView, 744 "translationY", endingY)); 745 if (mContentView != null) { 746 b.with(ObjectAnimator.ofFloat(mContentView, "translationY", 747 0, endingY)); 748 } 749 if (mSplitView != null && mSplitView.getVisibility() == View.VISIBLE) { 750 mSplitView.setAlpha(1); 751 b.with(ObjectAnimator.ofFloat(mSplitView, "translationY", 752 mSplitView.getHeight())); 753 } 754 anim.setInterpolator(AnimationUtils.loadInterpolator(mContext, 755 com.android.internal.R.interpolator.accelerate_cubic)); 756 anim.setDuration(250); 757 anim.addListener(mHideListener); 758 mCurrentShowAnim = anim; 759 anim.start(); 760 } else { 761 mHideListener.onAnimationEnd(null); 762 } 763 } 764 765 public boolean isShowing() { 766 return mNowShowing; 767 } 768 769 public boolean isSystemShowing() { 770 return !mHiddenBySystem; 771 } 772 773 void animateToMode(boolean toActionMode) { 774 if (toActionMode) { 775 showForActionMode(); 776 } else { 777 hideForActionMode(); 778 } 779 780 mActionView.animateToVisibility(toActionMode ? View.GONE : View.VISIBLE); 781 mContextView.animateToVisibility(toActionMode ? View.VISIBLE : View.GONE); 782 if (mTabScrollView != null && !mActionView.hasEmbeddedTabs() && mActionView.isCollapsed()) { 783 mTabScrollView.animateToVisibility(toActionMode ? View.GONE : View.VISIBLE); 784 } 785 } 786 787 public Context getThemedContext() { 788 if (mThemedContext == null) { 789 TypedValue outValue = new TypedValue(); 790 Resources.Theme currentTheme = mContext.getTheme(); 791 currentTheme.resolveAttribute(com.android.internal.R.attr.actionBarWidgetTheme, 792 outValue, true); 793 final int targetThemeRes = outValue.resourceId; 794 795 if (targetThemeRes != 0 && mContext.getThemeResId() != targetThemeRes) { 796 mThemedContext = new ContextThemeWrapper(mContext, targetThemeRes); 797 } else { 798 mThemedContext = mContext; 799 } 800 } 801 return mThemedContext; 802 } 803 804 /** 805 * @hide 806 */ 807 public class ActionModeImpl extends ActionMode implements MenuBuilder.Callback { 808 private ActionMode.Callback mCallback; 809 private MenuBuilder mMenu; 810 private WeakReference<View> mCustomView; 811 812 public ActionModeImpl(ActionMode.Callback callback) { 813 mCallback = callback; 814 mMenu = new MenuBuilder(getThemedContext()) 815 .setDefaultShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM); 816 mMenu.setCallback(this); 817 } 818 819 @Override 820 public MenuInflater getMenuInflater() { 821 return new MenuInflater(getThemedContext()); 822 } 823 824 @Override 825 public Menu getMenu() { 826 return mMenu; 827 } 828 829 @Override 830 public void finish() { 831 if (mActionMode != this) { 832 // Not the active action mode - no-op 833 return; 834 } 835 836 // If this change in state is going to cause the action bar 837 // to be hidden, defer the onDestroy callback until the animation 838 // is finished and associated relayout is about to happen. This lets 839 // apps better anticipate visibility and layout behavior. 840 if (!checkShowingFlags(mHiddenByApp, mHiddenBySystem, false)) { 841 // With the current state but the action bar hidden, our 842 // overall showing state is going to be false. 843 mDeferredDestroyActionMode = this; 844 mDeferredModeDestroyCallback = mCallback; 845 } else { 846 mCallback.onDestroyActionMode(this); 847 } 848 mCallback = null; 849 animateToMode(false); 850 851 // Clear out the context mode views after the animation finishes 852 mContextView.closeMode(); 853 mActionView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 854 855 mActionMode = null; 856 } 857 858 @Override 859 public void invalidate() { 860 mMenu.stopDispatchingItemsChanged(); 861 try { 862 mCallback.onPrepareActionMode(this, mMenu); 863 } finally { 864 mMenu.startDispatchingItemsChanged(); 865 } 866 } 867 868 public boolean dispatchOnCreate() { 869 mMenu.stopDispatchingItemsChanged(); 870 try { 871 return mCallback.onCreateActionMode(this, mMenu); 872 } finally { 873 mMenu.startDispatchingItemsChanged(); 874 } 875 } 876 877 @Override 878 public void setCustomView(View view) { 879 mContextView.setCustomView(view); 880 mCustomView = new WeakReference<View>(view); 881 } 882 883 @Override 884 public void setSubtitle(CharSequence subtitle) { 885 mContextView.setSubtitle(subtitle); 886 } 887 888 @Override 889 public void setTitle(CharSequence title) { 890 mContextView.setTitle(title); 891 } 892 893 @Override 894 public void setTitle(int resId) { 895 setTitle(mContext.getResources().getString(resId)); 896 } 897 898 @Override 899 public void setSubtitle(int resId) { 900 setSubtitle(mContext.getResources().getString(resId)); 901 } 902 903 @Override 904 public CharSequence getTitle() { 905 return mContextView.getTitle(); 906 } 907 908 @Override 909 public CharSequence getSubtitle() { 910 return mContextView.getSubtitle(); 911 } 912 913 @Override 914 public void setTitleOptionalHint(boolean titleOptional) { 915 super.setTitleOptionalHint(titleOptional); 916 mContextView.setTitleOptional(titleOptional); 917 } 918 919 @Override 920 public boolean isTitleOptional() { 921 return mContextView.isTitleOptional(); 922 } 923 924 @Override 925 public View getCustomView() { 926 return mCustomView != null ? mCustomView.get() : null; 927 } 928 929 public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) { 930 if (mCallback != null) { 931 return mCallback.onActionItemClicked(this, item); 932 } else { 933 return false; 934 } 935 } 936 937 public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) { 938 } 939 940 public boolean onSubMenuSelected(SubMenuBuilder subMenu) { 941 if (mCallback == null) { 942 return false; 943 } 944 945 if (!subMenu.hasVisibleItems()) { 946 return true; 947 } 948 949 new MenuPopupHelper(getThemedContext(), subMenu).show(); 950 return true; 951 } 952 953 public void onCloseSubMenu(SubMenuBuilder menu) { 954 } 955 956 public void onMenuModeChange(MenuBuilder menu) { 957 if (mCallback == null) { 958 return; 959 } 960 invalidate(); 961 mContextView.showOverflowMenu(); 962 } 963 } 964 965 /** 966 * @hide 967 */ 968 public class TabImpl extends ActionBar.Tab { 969 private ActionBar.TabListener mCallback; 970 private Object mTag; 971 private Drawable mIcon; 972 private CharSequence mText; 973 private CharSequence mContentDesc; 974 private int mPosition = -1; 975 private View mCustomView; 976 977 @Override 978 public Object getTag() { 979 return mTag; 980 } 981 982 @Override 983 public Tab setTag(Object tag) { 984 mTag = tag; 985 return this; 986 } 987 988 public ActionBar.TabListener getCallback() { 989 return mCallback; 990 } 991 992 @Override 993 public Tab setTabListener(ActionBar.TabListener callback) { 994 mCallback = callback; 995 return this; 996 } 997 998 @Override 999 public View getCustomView() { 1000 return mCustomView; 1001 } 1002 1003 @Override 1004 public Tab setCustomView(View view) { 1005 mCustomView = view; 1006 if (mPosition >= 0) { 1007 mTabScrollView.updateTab(mPosition); 1008 } 1009 return this; 1010 } 1011 1012 @Override 1013 public Tab setCustomView(int layoutResId) { 1014 return setCustomView(LayoutInflater.from(getThemedContext()) 1015 .inflate(layoutResId, null)); 1016 } 1017 1018 @Override 1019 public Drawable getIcon() { 1020 return mIcon; 1021 } 1022 1023 @Override 1024 public int getPosition() { 1025 return mPosition; 1026 } 1027 1028 public void setPosition(int position) { 1029 mPosition = position; 1030 } 1031 1032 @Override 1033 public CharSequence getText() { 1034 return mText; 1035 } 1036 1037 @Override 1038 public Tab setIcon(Drawable icon) { 1039 mIcon = icon; 1040 if (mPosition >= 0) { 1041 mTabScrollView.updateTab(mPosition); 1042 } 1043 return this; 1044 } 1045 1046 @Override 1047 public Tab setIcon(int resId) { 1048 return setIcon(mContext.getResources().getDrawable(resId)); 1049 } 1050 1051 @Override 1052 public Tab setText(CharSequence text) { 1053 mText = text; 1054 if (mPosition >= 0) { 1055 mTabScrollView.updateTab(mPosition); 1056 } 1057 return this; 1058 } 1059 1060 @Override 1061 public Tab setText(int resId) { 1062 return setText(mContext.getResources().getText(resId)); 1063 } 1064 1065 @Override 1066 public void select() { 1067 selectTab(this); 1068 } 1069 1070 @Override 1071 public Tab setContentDescription(int resId) { 1072 return setContentDescription(mContext.getResources().getText(resId)); 1073 } 1074 1075 @Override 1076 public Tab setContentDescription(CharSequence contentDesc) { 1077 mContentDesc = contentDesc; 1078 if (mPosition >= 0) { 1079 mTabScrollView.updateTab(mPosition); 1080 } 1081 return this; 1082 } 1083 1084 @Override 1085 public CharSequence getContentDescription() { 1086 return mContentDesc; 1087 } 1088 } 1089 1090 @Override 1091 public void setCustomView(View view) { 1092 mActionView.setCustomNavigationView(view); 1093 } 1094 1095 @Override 1096 public void setCustomView(View view, LayoutParams layoutParams) { 1097 view.setLayoutParams(layoutParams); 1098 mActionView.setCustomNavigationView(view); 1099 } 1100 1101 @Override 1102 public void setListNavigationCallbacks(SpinnerAdapter adapter, OnNavigationListener callback) { 1103 mActionView.setDropdownAdapter(adapter); 1104 mActionView.setCallback(callback); 1105 } 1106 1107 @Override 1108 public int getSelectedNavigationIndex() { 1109 switch (mActionView.getNavigationMode()) { 1110 case NAVIGATION_MODE_TABS: 1111 return mSelectedTab != null ? mSelectedTab.getPosition() : -1; 1112 case NAVIGATION_MODE_LIST: 1113 return mActionView.getDropdownSelectedPosition(); 1114 default: 1115 return -1; 1116 } 1117 } 1118 1119 @Override 1120 public int getNavigationItemCount() { 1121 switch (mActionView.getNavigationMode()) { 1122 case NAVIGATION_MODE_TABS: 1123 return mTabs.size(); 1124 case NAVIGATION_MODE_LIST: 1125 SpinnerAdapter adapter = mActionView.getDropdownAdapter(); 1126 return adapter != null ? adapter.getCount() : 0; 1127 default: 1128 return 0; 1129 } 1130 } 1131 1132 @Override 1133 public int getTabCount() { 1134 return mTabs.size(); 1135 } 1136 1137 @Override 1138 public void setNavigationMode(int mode) { 1139 final int oldMode = mActionView.getNavigationMode(); 1140 switch (oldMode) { 1141 case NAVIGATION_MODE_TABS: 1142 mSavedTabPosition = getSelectedNavigationIndex(); 1143 selectTab(null); 1144 mTabScrollView.setVisibility(View.GONE); 1145 break; 1146 } 1147 if (oldMode != mode && !mHasEmbeddedTabs) { 1148 if (mOverlayLayout != null) { 1149 mOverlayLayout.requestFitSystemWindows(); 1150 } 1151 } 1152 mActionView.setNavigationMode(mode); 1153 switch (mode) { 1154 case NAVIGATION_MODE_TABS: 1155 ensureTabsExist(); 1156 mTabScrollView.setVisibility(View.VISIBLE); 1157 if (mSavedTabPosition != INVALID_POSITION) { 1158 setSelectedNavigationItem(mSavedTabPosition); 1159 mSavedTabPosition = INVALID_POSITION; 1160 } 1161 break; 1162 } 1163 mActionView.setCollapsable(mode == NAVIGATION_MODE_TABS && !mHasEmbeddedTabs); 1164 } 1165 1166 @Override 1167 public Tab getTabAt(int index) { 1168 return mTabs.get(index); 1169 } 1170 1171 1172 @Override 1173 public void setIcon(int resId) { 1174 mActionView.setIcon(resId); 1175 } 1176 1177 @Override 1178 public void setIcon(Drawable icon) { 1179 mActionView.setIcon(icon); 1180 } 1181 1182 @Override 1183 public void setLogo(int resId) { 1184 mActionView.setLogo(resId); 1185 } 1186 1187 @Override 1188 public void setLogo(Drawable logo) { 1189 mActionView.setLogo(logo); 1190 } 1191 1192 public void setDefaultDisplayHomeAsUpEnabled(boolean enable) { 1193 if (!mDisplayHomeAsUpSet) { 1194 setDisplayHomeAsUpEnabled(enable); 1195 } 1196 } 1197 } 1198
