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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 package org.chromium.chrome.browser.fullscreen; | |
6 | |
7 import android.animation.Animator; | |
8 import android.animation.AnimatorListenerAdapter; | |
9 import android.animation.ObjectAnimator; | |
10 import android.app.Activity; | |
11 import android.content.res.Resources; | |
12 import android.os.Build; | |
13 import android.os.Handler; | |
14 import android.os.Message; | |
15 import android.os.SystemClock; | |
16 import android.util.Property; | |
17 import android.view.Gravity; | |
18 import android.view.MotionEvent; | |
19 import android.view.View; | |
20 import android.view.ViewGroup; | |
21 import android.view.ViewGroup.LayoutParams; | |
22 import android.view.Window; | |
23 import android.widget.FrameLayout; | |
24 | |
25 import org.chromium.base.ActivityState; | |
26 import org.chromium.base.ApiCompatibilityUtils; | |
27 import org.chromium.base.ApplicationStatus; | |
28 import org.chromium.base.ApplicationStatus.ActivityStateListener; | |
29 import org.chromium.base.BaseChromiumApplication; | |
30 import org.chromium.base.BaseChromiumApplication.WindowFocusChangedListener; | |
31 import org.chromium.base.TraceEvent; | |
32 import org.chromium.base.VisibleForTesting; | |
33 import org.chromium.chrome.browser.Tab; | |
34 import org.chromium.chrome.browser.fullscreen.FullscreenHtmlApiHandler.Fullscree nHtmlApiDelegate; | |
35 import org.chromium.chrome.browser.tabmodel.TabModelSelector; | |
36 import org.chromium.content.browser.ContentViewCore; | |
37 | |
38 import java.util.ArrayList; | |
39 import java.util.HashSet; | |
40 | |
41 /** | |
42 * A class that manages control and content views to create the fullscreen mode. | |
43 */ | |
44 public class ChromeFullscreenManager | |
45 extends FullscreenManager implements ActivityStateListener, WindowFocusC hangedListener { | |
46 // Minimum showtime of the toolbar (in ms). | |
47 private static final long MINIMUM_SHOW_DURATION_MS = 3000; | |
48 | |
49 // Maximum length of the slide in/out animation of the toolbar (in ms). | |
50 private static final long MAX_ANIMATION_DURATION_MS = 500; | |
51 | |
52 private static final int MSG_ID_CONTROLS_REQUEST_LAYOUT = 1; | |
53 private static final int MSG_ID_HIDE_CONTROLS = 2; | |
54 | |
55 private final HashSet<Integer> mPersistentControlTokens = new HashSet<Intege r>(); | |
56 | |
57 private final Activity mActivity; | |
58 private final Window mWindow; | |
59 private final Handler mHandler; | |
60 private final int mControlContainerHeight; | |
61 | |
62 private View mControlContainer; | |
63 | |
64 private long mMinShowNotificationMs = MINIMUM_SHOW_DURATION_MS; | |
65 private long mMaxAnimationDurationMs = MAX_ANIMATION_DURATION_MS; | |
66 | |
67 private final boolean mEnabled; | |
68 | |
69 private float mBrowserControlOffset = Float.NaN; | |
70 private float mRendererControlOffset = Float.NaN; | |
71 private float mRendererContentOffset; | |
72 private float mPreviousContentOffset; | |
73 private float mControlOffset; | |
74 private float mPreviousControlOffset; | |
75 private boolean mIsEnteringPersistentModeState; | |
76 | |
77 private boolean mInGesture; | |
78 private boolean mContentViewScrolling; | |
79 | |
80 private int mPersistentControlsCurrentToken; | |
81 private long mCurrentShowTime; | |
82 | |
83 private ObjectAnimator mControlAnimation; | |
84 private boolean mCurrentAnimationIsShowing; | |
85 | |
86 private boolean mDisableBrowserOverride; | |
87 | |
88 private boolean mTopControlsPermanentlyHidden; | |
89 private boolean mTopControlsAndroidViewHidden; | |
90 | |
91 private final ArrayList<FullscreenListener> mListeners = new ArrayList<Fulls creenListener>(); | |
92 | |
93 /** | |
94 * A listener that gets notified of changes to the fullscreen state. | |
95 */ | |
96 public interface FullscreenListener { | |
97 /** | |
98 * Called whenever the content's offset changes. | |
99 * @param offset The new offset of the content from the top of the scree n. | |
100 */ | |
101 public void onContentOffsetChanged(float offset); | |
102 | |
103 /** | |
104 * Called whenever the content's visible offset changes. | |
105 * @param offset The new offset of the visible content from the top of t he screen. | |
106 */ | |
107 public void onVisibleContentOffsetChanged(float offset); | |
108 | |
109 /** | |
110 * Called when a ContentVideoView is created/destroyed. | |
111 * @param enabled Whether to enter or leave overlay video mode. | |
112 */ | |
113 public void onToggleOverlayVideoMode(boolean enabled); | |
114 } | |
115 | |
116 private class ControlsOffsetProperty extends Property<ChromeFullscreenManage r, Float> { | |
117 public ControlsOffsetProperty() { | |
118 super(Float.class, "controlsOffset"); | |
119 } | |
120 | |
121 @Override | |
122 public Float get(ChromeFullscreenManager object) { | |
123 return getControlOffset(); | |
124 } | |
125 | |
126 @Override | |
127 public void set(ChromeFullscreenManager manager, Float offset) { | |
128 if (mDisableBrowserOverride) return; | |
129 float browserOffset = offset.floatValue(); | |
130 if (Float.compare(mBrowserControlOffset, browserOffset) == 0) return ; | |
131 mBrowserControlOffset = browserOffset; | |
132 manager.updateControlOffset(); | |
133 manager.updateVisuals(); | |
134 } | |
135 } | |
136 | |
137 private final Runnable mUpdateVisibilityRunnable = new Runnable() { | |
138 @Override | |
139 public void run() { | |
140 int visibility = shouldShowAndroidControls() ? View.VISIBLE : View.I NVISIBLE; | |
141 if (mControlContainer.getVisibility() == visibility) return; | |
142 // requestLayout is required to trigger a new gatherTransparentRegio n(), which | |
143 // only occurs together with a layout and let's SurfaceFlinger trim overlays. | |
144 // This may be almost equivalent to using View.GONE, but we still us e View.INVISIBLE | |
145 // since drawing caches etc. won't be destroyed, and the layout may be less expensive. | |
146 mControlContainer.setVisibility(visibility); | |
147 mControlContainer.requestLayout(); | |
148 } | |
149 }; | |
150 | |
151 /** | |
152 * Creates an instance of the fullscreen mode manager. | |
153 * @param activity The activity that supports fullscreen. | |
154 * @param controlContainer Container holding the controls (Toolbar). | |
155 * @param enabled Whether fullscreen is globally enabled. | |
156 * @param modelSelector The model selector providing access to the current t ab. | |
157 * @param fullscreenApiNotification A string for fullscreen api notification . | |
158 */ | |
159 public ChromeFullscreenManager(Activity activity, View controlContainer, boo lean enabled, | |
160 boolean persistentFullscreenSupported, TabModelSelector modelSelecto r, | |
161 int resControlContainerHeight, String fullscreenApiNotification) { | |
Ted C
2014/12/17 17:52:00
Actually...one question I had was why we need to p
Jaekyun Seok (inactive)
2014/12/17 22:03:33
Done.
| |
162 super(activity.getWindow(), modelSelector, enabled, persistentFullscreen Supported, | |
163 fullscreenApiNotification); | |
164 | |
165 mActivity = activity; | |
166 ApplicationStatus.registerStateListenerForActivity(this, activity); | |
167 ((BaseChromiumApplication) activity.getApplication()) | |
168 .registerWindowFocusChangedListener(this); | |
169 | |
170 mWindow = activity.getWindow(); | |
171 mHandler = new Handler() { | |
172 @Override | |
173 public void handleMessage(Message msg) { | |
174 if (msg == null) return; | |
175 switch (msg.what) { | |
176 case MSG_ID_CONTROLS_REQUEST_LAYOUT: | |
177 mControlContainer.requestLayout(); | |
178 break; | |
179 case MSG_ID_HIDE_CONTROLS: | |
180 update(false); | |
181 break; | |
182 default: | |
183 assert false : "Unexpected message for ID: " + msg.what; | |
184 break; | |
185 } | |
186 } | |
187 }; | |
188 setControlContainer(controlContainer); | |
189 Resources resources = mWindow.getContext().getResources(); | |
190 mControlContainerHeight = resources.getDimensionPixelSize(resControlCont ainerHeight); | |
191 mRendererContentOffset = mControlContainerHeight; | |
192 mEnabled = enabled; | |
193 updateControlOffset(); | |
194 } | |
195 | |
196 /** | |
197 * @return Whether or not fullscreen is enabled. | |
198 */ | |
199 public boolean isEnabled() { | |
200 return mEnabled; | |
201 } | |
202 | |
203 /** | |
204 * Set the control container that is being hidden and shown when manipulatin g the fullscreen | |
205 * state. | |
206 * @param controlContainer The container at the top of the screen that conta ins the controls. | |
207 */ | |
208 public void setControlContainer(View controlContainer) { | |
209 assert controlContainer != null; | |
210 mControlContainer = controlContainer; | |
211 } | |
212 | |
213 @Override | |
214 public void onActivityStateChange(Activity activity, int newState) { | |
215 if (newState == ActivityState.STOPPED) { | |
216 // Exit fullscreen in onStop to ensure the system UI flags are set c orrectly when | |
217 // showing again (on JB MR2+ builds, the omnibox would be covered by the | |
218 // notification bar when this was done in onStart()). | |
219 setPersistentFullscreenMode(false); | |
220 } else if (newState == ActivityState.STARTED) { | |
221 showControlsTransient(); | |
222 } else if (newState == ActivityState.DESTROYED) { | |
223 ApplicationStatus.unregisterActivityStateListener(this); | |
224 ((BaseChromiumApplication) mWindow.getContext().getApplicationContex t()) | |
225 .unregisterWindowFocusChangedListener(this); | |
226 } | |
227 } | |
228 | |
229 @Override | |
230 public void onWindowFocusChanged(Activity activity, boolean hasFocus) { | |
231 if (mActivity == activity) onWindowFocusChanged(hasFocus); | |
232 } | |
233 | |
234 @Override | |
235 protected FullscreenHtmlApiDelegate createApiDelegate() { | |
236 return new FullscreenHtmlApiDelegate() { | |
237 @Override | |
238 public View getNotificationAnchorView() { | |
239 return mControlContainer; | |
240 } | |
241 | |
242 @Override | |
243 public int getNotificationOffsetY() { | |
244 return (int) getControlOffset(); | |
245 } | |
246 | |
247 @Override | |
248 public void onEnterFullscreen() { | |
249 mIsEnteringPersistentModeState = true; | |
250 } | |
251 | |
252 @Override | |
253 public boolean cancelPendingEnterFullscreen() { | |
254 boolean wasPending = mIsEnteringPersistentModeState; | |
255 mIsEnteringPersistentModeState = false; | |
256 return wasPending; | |
257 } | |
258 | |
259 @Override | |
260 public void onFullscreenExited(ContentViewCore contentViewCore) { | |
261 contentViewCore.getWebContents().updateTopControlsState(false, t rue, true); | |
262 contentViewCore.getWebContents().updateTopControlsState(true, tr ue, false); | |
263 } | |
264 | |
265 @Override | |
266 public boolean shouldShowNotificationBubble() { | |
267 return !isOverlayVideoMode(); | |
268 } | |
269 }; | |
270 } | |
271 | |
272 /** | |
273 * Disables the ability for the browser to override the renderer provided to p controls | |
274 * position for testing. | |
275 */ | |
276 @VisibleForTesting | |
277 public void disableBrowserOverrideForTest() { | |
278 mDisableBrowserOverride = true; | |
279 mPersistentControlTokens.clear(); | |
280 mHandler.removeMessages(MSG_ID_HIDE_CONTROLS); | |
281 if (mControlAnimation != null) { | |
282 mControlAnimation.cancel(); | |
283 mControlAnimation = null; | |
284 } | |
285 mBrowserControlOffset = Float.NaN; | |
286 updateVisuals(); | |
287 } | |
288 | |
289 /** | |
290 * Allows tests to override the animation durations for faster tests. | |
291 * @param minShowDuration The minimum time the controls must be shown. | |
292 * @param maxAnimationDuration The maximum animation time to show/hide the c ontrols. | |
293 */ | |
294 @VisibleForTesting | |
295 public void setAnimationDurationsForTest(long minShowDuration, long maxAnima tionDuration) { | |
296 mMinShowNotificationMs = minShowDuration; | |
297 mMaxAnimationDurationMs = maxAnimationDuration; | |
298 } | |
299 | |
300 @Override | |
301 public void showControlsTransient() { | |
302 if (mPersistentControlTokens.isEmpty()) update(true); | |
303 } | |
304 | |
305 @Override | |
306 public int showControlsPersistent() { | |
307 int token = mPersistentControlsCurrentToken++; | |
308 mPersistentControlTokens.add(token); | |
309 if (mPersistentControlTokens.size() == 1) update(true); | |
310 return token; | |
311 } | |
312 | |
313 @Override | |
314 public int showControlsPersistentAndClearOldToken(int oldToken) { | |
315 if (oldToken != INVALID_TOKEN) mPersistentControlTokens.remove(oldToken) ; | |
316 return showControlsPersistent(); | |
317 } | |
318 | |
319 @Override | |
320 public void hideControlsPersistent(int token) { | |
321 if (mPersistentControlTokens.remove(token) && mPersistentControlTokens.i sEmpty()) { | |
322 update(false); | |
323 } | |
324 } | |
325 | |
326 /** | |
327 * @param remove Whether or not to forcefully remove the toolbar. | |
328 */ | |
329 public void setTopControlsPermamentlyHidden(boolean remove) { | |
330 if (remove == mTopControlsPermanentlyHidden) return; | |
331 mTopControlsPermanentlyHidden = remove; | |
332 updateVisuals(); | |
333 } | |
334 | |
335 /** | |
336 * @return Whether or not the toolbar is forcefully being removed. | |
337 */ | |
338 public boolean areTopControlsPermanentlyHidden() { | |
339 return mTopControlsPermanentlyHidden; | |
340 } | |
341 | |
342 /** | |
343 * @return Whether the top controls should be drawn as a texture. | |
344 */ | |
345 public boolean drawControlsAsTexture() { | |
346 return getControlOffset() > -mControlContainerHeight; | |
347 } | |
348 | |
349 /** | |
350 * @return The height of the top controls in pixels. | |
351 */ | |
352 public int getTopControlsHeight() { | |
353 return mEnabled ? mControlContainerHeight : 0; | |
354 } | |
355 | |
356 @Override | |
357 public float getContentOffset() { | |
358 if (!mEnabled || mTopControlsPermanentlyHidden) return 0; | |
359 return rendererContentOffset(); | |
360 } | |
361 | |
362 /** | |
363 * @return The offset of the controls from the top of the screen. | |
364 */ | |
365 public float getControlOffset() { | |
366 if (!mEnabled) return 0; | |
367 if (mTopControlsPermanentlyHidden) return -getTopControlsHeight(); | |
368 return mControlOffset; | |
369 } | |
370 | |
371 @SuppressWarnings("SelfEquality") | |
372 private void updateControlOffset() { | |
373 float offset = 0; | |
374 // Inline Float.isNan with "x != x": | |
375 final boolean isNaNBrowserControlOffset = mBrowserControlOffset != mBrow serControlOffset; | |
376 final float rendererControlOffset = rendererControlOffset(); | |
377 final boolean isNaNRendererControlOffset = rendererControlOffset != rend ererControlOffset; | |
378 if (!isNaNBrowserControlOffset || !isNaNRendererControlOffset) { | |
379 offset = Math.max( | |
380 isNaNBrowserControlOffset ? -mControlContainerHeight : mBrow serControlOffset, | |
381 isNaNRendererControlOffset ? -mControlContainerHeight : rend ererControlOffset); | |
382 } | |
383 mControlOffset = offset; | |
384 } | |
385 | |
386 @Override | |
387 public void setOverlayVideoMode(boolean enabled) { | |
388 super.setOverlayVideoMode(enabled); | |
389 | |
390 for (int i = 0; i < mListeners.size(); i++) { | |
391 mListeners.get(i).onToggleOverlayVideoMode(enabled); | |
392 } | |
393 } | |
394 | |
395 /** | |
396 * @return Whether the browser has a control offset override. | |
397 */ | |
398 @VisibleForTesting | |
399 public boolean hasBrowserControlOffsetOverride() { | |
400 return !Float.isNaN(mBrowserControlOffset) || mControlAnimation != null | |
401 || !mPersistentControlTokens.isEmpty(); | |
402 } | |
403 | |
404 /** | |
405 * Returns how tall the opaque portion of the control container is. | |
406 */ | |
407 public float controlContainerHeight() { | |
408 return mControlContainerHeight; | |
409 } | |
410 | |
411 private float rendererContentOffset() { | |
412 if (!mEnabled) return mControlContainerHeight; | |
413 return mRendererContentOffset; | |
414 } | |
415 | |
416 private float rendererControlOffset() { | |
417 if (!mEnabled) return 0; | |
418 return mRendererControlOffset; | |
419 } | |
420 | |
421 /** | |
422 * @return The visible offset of the content from the top of the screen. | |
423 */ | |
424 public float getVisibleContentOffset() { | |
425 if (!mEnabled) return 0; | |
426 return mControlContainerHeight + getControlOffset(); | |
427 } | |
428 | |
429 /** | |
430 * @param listener The {@link FullscreenListener} to be notified of fullscre en changes. | |
431 */ | |
432 public void addListener(FullscreenListener listener) { | |
433 if (!mListeners.contains(listener)) mListeners.add(listener); | |
434 } | |
435 | |
436 /** | |
437 * @param listener The {@link FullscreenListener} to no longer be notified o f fullscreen | |
438 * changes. | |
439 */ | |
440 public void removeListener(FullscreenListener listener) { | |
441 mListeners.remove(listener); | |
442 } | |
443 | |
444 /** | |
445 * Updates the content view's viewport size to have it render the content co rrectly. | |
446 * | |
447 * @param viewCore The ContentViewCore to update. | |
448 */ | |
449 public void updateContentViewViewportSize(ContentViewCore viewCore) { | |
450 if (!mEnabled || viewCore == null) return; | |
451 if (mInGesture || mContentViewScrolling) return; | |
452 | |
453 // Update content viewport size only when the top controls are not anima ting. | |
454 int contentOffset = (int) rendererContentOffset(); | |
455 if (contentOffset != 0 && contentOffset != mControlContainerHeight) retu rn; | |
456 viewCore.setTopControlsHeight(mControlContainerHeight, contentOffset > 0 ); | |
457 } | |
458 | |
459 @Override | |
460 public void updateContentViewChildrenState() { | |
461 ContentViewCore contentViewCore = getActiveContentViewCore(); | |
462 if (contentViewCore == null || !mEnabled) return; | |
463 ViewGroup view = contentViewCore.getContainerView(); | |
464 | |
465 float topViewsTranslation = (getControlOffset() + mControlContainerHeigh t); | |
466 applyTranslationToTopChildViews(view, topViewsTranslation); | |
467 applyMarginToFullChildViews(view, topViewsTranslation); | |
468 updateContentViewViewportSize(contentViewCore); | |
469 } | |
470 | |
471 /** | |
472 * Utility routine for ensuring visibility updates are synchronized with | |
473 * animation, preventing message loop stalls due to untimely invalidation. | |
474 */ | |
475 private void scheduleVisibilityUpdate() { | |
476 final int desiredVisibility = shouldShowAndroidControls() ? View.VISIBLE : View.INVISIBLE; | |
477 if (mControlContainer.getVisibility() == desiredVisibility) return; | |
478 mControlContainer.removeCallbacks(mUpdateVisibilityRunnable); | |
479 ApiCompatibilityUtils.postOnAnimation(mControlContainer, mUpdateVisibili tyRunnable); | |
480 } | |
481 | |
482 private void updateVisuals() { | |
483 if (!mEnabled) return; | |
484 | |
485 TraceEvent.begin("FullscreenManager:updateVisuals"); | |
486 | |
487 float offset = getControlOffset(); | |
488 if (Float.compare(mPreviousControlOffset, offset) != 0) { | |
489 mPreviousControlOffset = offset; | |
490 getHtmlApiHandler().updateBubblePosition(); | |
491 | |
492 scheduleVisibilityUpdate(); | |
493 if (shouldShowAndroidControls()) mControlContainer.setTranslationY(g etControlOffset()); | |
494 | |
495 // In ICS, the toolbar can appear clipped when compositor content is not being drawn | |
496 // beneath it (at the top of the page, during side swipe). Requesti ng a layout clears | |
497 // up the issue (see crbug.com/172631). | |
498 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) { | |
499 if (!mHandler.hasMessages(MSG_ID_CONTROLS_REQUEST_LAYOUT)) { | |
500 mHandler.sendEmptyMessage(MSG_ID_CONTROLS_REQUEST_LAYOUT); | |
501 } | |
502 } | |
503 for (int i = 0; i < mListeners.size(); i++) { | |
504 mListeners.get(i).onVisibleContentOffsetChanged(getVisibleConten tOffset()); | |
505 } | |
506 } | |
507 | |
508 final ContentViewCore contentViewCore = getActiveContentViewCore(); | |
509 if (contentViewCore != null && offset == -mControlContainerHeight | |
510 && mIsEnteringPersistentModeState) { | |
511 getHtmlApiHandler().enterFullscreen(contentViewCore); | |
512 mIsEnteringPersistentModeState = false; | |
513 } | |
514 | |
515 updateContentViewChildrenState(); | |
516 | |
517 float contentOffset = getContentOffset(); | |
518 if (Float.compare(mPreviousContentOffset, contentOffset) != 0) { | |
519 for (int i = 0; i < mListeners.size(); i++) { | |
520 mListeners.get(i).onContentOffsetChanged(contentOffset); | |
521 } | |
522 mPreviousContentOffset = contentOffset; | |
523 } | |
524 | |
525 TraceEvent.end("FullscreenManager:updateVisuals"); | |
526 } | |
527 | |
528 /** | |
529 * @param hide Whether or not to force the top controls Android view to hide . If this is | |
530 * {@code false} the top controls Android view will show/hide ba sed on position, if | |
531 * it is {@code true} the top controls Android view will always be hidden. | |
532 */ | |
533 public void setHideTopControlsAndroidView(boolean hide) { | |
534 if (mTopControlsAndroidViewHidden == hide) return; | |
535 mTopControlsAndroidViewHidden = hide; | |
536 scheduleVisibilityUpdate(); | |
537 } | |
538 | |
539 private boolean shouldShowAndroidControls() { | |
540 if (mTopControlsAndroidViewHidden) return false; | |
541 | |
542 boolean showControls = getControlOffset() == 0; | |
543 ContentViewCore contentViewCore = getActiveContentViewCore(); | |
544 if (contentViewCore == null) return showControls; | |
545 ViewGroup contentView = contentViewCore.getContainerView(); | |
546 | |
547 for (int i = 0; i < contentView.getChildCount(); i++) { | |
548 View child = contentView.getChildAt(i); | |
549 if (!(child.getLayoutParams() instanceof FrameLayout.LayoutParams)) continue; | |
550 | |
551 FrameLayout.LayoutParams layoutParams = | |
552 (FrameLayout.LayoutParams) child.getLayoutParams(); | |
553 if (Gravity.TOP == (layoutParams.gravity & Gravity.FILL_VERTICAL)) { | |
554 showControls = true; | |
555 break; | |
556 } | |
557 } | |
558 | |
559 showControls |= !mPersistentControlTokens.isEmpty(); | |
560 | |
561 return showControls; | |
562 } | |
563 | |
564 private void applyMarginToFullChildViews(ViewGroup contentView, float margin ) { | |
565 for (int i = 0; i < contentView.getChildCount(); i++) { | |
566 View child = contentView.getChildAt(i); | |
567 if (!(child.getLayoutParams() instanceof FrameLayout.LayoutParams)) continue; | |
568 FrameLayout.LayoutParams layoutParams = | |
569 (FrameLayout.LayoutParams) child.getLayoutParams(); | |
570 | |
571 if (layoutParams.height == LayoutParams.MATCH_PARENT | |
572 && layoutParams.topMargin != (int) margin) { | |
573 layoutParams.topMargin = (int) margin; | |
574 child.requestLayout(); | |
575 TraceEvent.instant("FullscreenManager:child.requestLayout()"); | |
576 } | |
577 } | |
578 } | |
579 | |
580 private void applyTranslationToTopChildViews(ViewGroup contentView, float tr anslation) { | |
581 for (int i = 0; i < contentView.getChildCount(); i++) { | |
582 View child = contentView.getChildAt(i); | |
583 if (!(child.getLayoutParams() instanceof FrameLayout.LayoutParams)) continue; | |
584 | |
585 FrameLayout.LayoutParams layoutParams = | |
586 (FrameLayout.LayoutParams) child.getLayoutParams(); | |
587 if (Gravity.TOP == (layoutParams.gravity & Gravity.FILL_VERTICAL)) { | |
588 child.setTranslationY(translation); | |
589 TraceEvent.instant("FullscreenManager:child.setTranslationY()"); | |
590 } | |
591 } | |
592 } | |
593 | |
594 private ContentViewCore getActiveContentViewCore() { | |
595 Tab tab = getTabModelSelector().getCurrentTab(); | |
596 return tab != null ? tab.getContentViewCore() : null; | |
597 } | |
598 | |
599 @Override | |
600 public void setPositionsForTabToNonFullscreen() { | |
601 setPositionsForTab(0, mControlContainerHeight); | |
602 } | |
603 | |
604 @Override | |
605 public void setPositionsForTab(float controlsOffset, float contentOffset) { | |
606 if (!mEnabled) return; | |
607 float rendererControlOffset = | |
608 Math.round(Math.max(controlsOffset, -mControlContainerHeight)); | |
609 float rendererContentOffset = Math.min( | |
610 Math.round(contentOffset), rendererControlOffset + mControlConta inerHeight); | |
611 | |
612 if (Float.compare(rendererControlOffset, mRendererControlOffset) == 0 | |
613 && Float.compare(rendererContentOffset, mRendererContentOffset) == 0) { | |
614 return; | |
615 } | |
616 | |
617 mRendererControlOffset = rendererControlOffset; | |
618 mRendererContentOffset = rendererContentOffset; | |
619 updateControlOffset(); | |
620 | |
621 if (mControlAnimation == null) updateVisuals(); | |
622 } | |
623 | |
624 /** | |
625 * @param e The dispatched motion event | |
626 * @return Whether or not this motion event is in the top control container area and should be | |
627 * consumed. | |
628 */ | |
629 public boolean onInterceptMotionEvent(MotionEvent e) { | |
630 return mEnabled && e.getY() < getControlOffset() + mControlContainerHeig ht | |
631 && !mTopControlsAndroidViewHidden; | |
632 } | |
633 | |
634 /** | |
635 * Notifies the fullscreen manager that a motion event has occurred. | |
636 * @param e The dispatched motion event. | |
637 */ | |
638 public void onMotionEvent(MotionEvent e) { | |
639 if (!mEnabled) return; | |
640 int eventAction = e.getActionMasked(); | |
641 if (eventAction == MotionEvent.ACTION_DOWN | |
642 || eventAction == MotionEvent.ACTION_POINTER_DOWN) { | |
643 mInGesture = true; | |
644 getHtmlApiHandler().hideNotificationBubble(); | |
645 } else if (eventAction == MotionEvent.ACTION_CANCEL | |
646 || eventAction == MotionEvent.ACTION_UP) { | |
647 mInGesture = false; | |
648 updateVisuals(); | |
649 } | |
650 } | |
651 | |
652 private void update(boolean show) { | |
653 // On forced show/hide, reset the flags that may suppress ContentView re size. | |
654 // As this method is also called when tab is switched, this also cleanup the scrolling | |
655 // flag set based on the previous ContentView's scrolling state. | |
656 mInGesture = false; | |
657 mContentViewScrolling = false; | |
658 | |
659 if (!mEnabled) return; | |
660 | |
661 if (show) mCurrentShowTime = SystemClock.uptimeMillis(); | |
662 | |
663 boolean postHideMessage = false; | |
664 if (!show) { | |
665 if (mControlAnimation != null && mCurrentAnimationIsShowing) { | |
666 postHideMessage = true; | |
667 } else { | |
668 long timeDelta = SystemClock.uptimeMillis() - mCurrentShowTime; | |
669 animateIfNecessary(false, Math.max(mMinShowNotificationMs - time Delta, 0)); | |
670 } | |
671 } else { | |
672 animateIfNecessary(true, 0); | |
673 if (mPersistentControlTokens.isEmpty()) postHideMessage = true; | |
674 } | |
675 | |
676 mHandler.removeMessages(MSG_ID_HIDE_CONTROLS); | |
677 if (postHideMessage) { | |
678 long timeDelta = SystemClock.uptimeMillis() - mCurrentShowTime; | |
679 mHandler.sendEmptyMessageDelayed( | |
680 MSG_ID_HIDE_CONTROLS, Math.max(mMinShowNotificationMs - time Delta, 0)); | |
681 } | |
682 } | |
683 | |
684 private void animateIfNecessary(final boolean show, long startDelay) { | |
685 if (mControlAnimation != null) { | |
686 if (!mControlAnimation.isRunning() || mCurrentAnimationIsShowing != show) { | |
687 mControlAnimation.cancel(); | |
688 mControlAnimation = null; | |
689 } else { | |
690 return; | |
691 } | |
692 } | |
693 | |
694 float destination = show ? 0 : -mControlContainerHeight; | |
695 long duration = (long) (mMaxAnimationDurationMs | |
696 * Math.abs((destination - getControlOffset()) / mControlContaine rHeight)); | |
697 mControlAnimation = ObjectAnimator.ofFloat(this, new ControlsOffsetPrope rty(), destination); | |
698 mControlAnimation.addListener(new AnimatorListenerAdapter() { | |
699 private boolean mCanceled = false; | |
700 | |
701 @Override | |
702 public void onAnimationCancel(Animator anim) { | |
703 mCanceled = true; | |
704 } | |
705 | |
706 @Override | |
707 public void onAnimationEnd(Animator animation) { | |
708 if (!show && !mCanceled) mBrowserControlOffset = Float.NaN; | |
709 mControlAnimation = null; | |
710 } | |
711 }); | |
712 mControlAnimation.setStartDelay(startDelay); | |
713 mControlAnimation.setDuration(duration); | |
714 mControlAnimation.start(); | |
715 mCurrentAnimationIsShowing = show; | |
716 } | |
717 | |
718 @Override | |
719 public void onContentViewScrollingStateChanged(boolean scrolling) { | |
720 mContentViewScrolling = scrolling; | |
721 if (!scrolling) updateVisuals(); | |
722 } | |
723 } | |
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