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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "modules/media_controls/MediaControlsOrientationLockDelegate.h" | 5 #include "modules/media_controls/MediaControlsOrientationLockDelegate.h" |
6 | 6 |
| 7 #include "core/dom/TaskRunnerHelper.h" |
7 #include "core/events/Event.h" | 8 #include "core/events/Event.h" |
8 #include "core/frame/LocalDOMWindow.h" | 9 #include "core/frame/LocalDOMWindow.h" |
9 #include "core/frame/Screen.h" | 10 #include "core/frame/Screen.h" |
10 #include "core/frame/ScreenOrientationController.h" | 11 #include "core/frame/ScreenOrientationController.h" |
11 #include "core/html/HTMLVideoElement.h" | 12 #include "core/html/HTMLVideoElement.h" |
12 #include "core/page/ChromeClient.h" | 13 #include "core/page/ChromeClient.h" |
13 #include "modules/device_orientation/DeviceOrientationData.h" | 14 #include "modules/device_orientation/DeviceOrientationData.h" |
14 #include "modules/device_orientation/DeviceOrientationEvent.h" | 15 #include "modules/device_orientation/DeviceOrientationEvent.h" |
15 #include "modules/screen_orientation/ScreenOrientation.h" | 16 #include "modules/screen_orientation/ScreenOrientation.h" |
16 #include "modules/screen_orientation/ScreenScreenOrientation.h" | 17 #include "modules/screen_orientation/ScreenScreenOrientation.h" |
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161 return; | 162 return; |
162 | 163 |
163 monitor_.reset(); // Cancel any GotIsAutoRotateEnabledByUser Mojo callback. | 164 monitor_.reset(); // Cancel any GotIsAutoRotateEnabledByUser Mojo callback. |
164 if (LocalDOMWindow* dom_window = GetDocument().domWindow()) { | 165 if (LocalDOMWindow* dom_window = GetDocument().domWindow()) { |
165 dom_window->removeEventListener(EventTypeNames::deviceorientation, this, | 166 dom_window->removeEventListener(EventTypeNames::deviceorientation, this, |
166 false); | 167 false); |
167 } | 168 } |
168 | 169 |
169 ScreenOrientationController::From(*GetDocument().GetFrame())->unlock(); | 170 ScreenOrientationController::From(*GetDocument().GetFrame())->unlock(); |
170 locked_orientation_ = kWebScreenOrientationLockDefault /* unlocked */; | 171 locked_orientation_ = kWebScreenOrientationLockDefault /* unlocked */; |
| 172 |
| 173 unlock_task_.Cancel(); |
171 } | 174 } |
172 | 175 |
173 void MediaControlsOrientationLockDelegate::MaybeListenToDeviceOrientation() { | 176 void MediaControlsOrientationLockDelegate::MaybeListenToDeviceOrientation() { |
174 DCHECK_EQ(state_, State::kMaybeLockedFullscreen); | 177 DCHECK_EQ(state_, State::kMaybeLockedFullscreen); |
175 DCHECK_NE(locked_orientation_, kWebScreenOrientationLockDefault); | 178 DCHECK_NE(locked_orientation_, kWebScreenOrientationLockDefault); |
176 | 179 |
177 // If the rotate-to-fullscreen feature is also enabled, then start listening | 180 // If the rotate-to-fullscreen feature is also enabled, then start listening |
178 // to deviceorientation events so the orientation can be unlocked once the | 181 // to deviceorientation events so the orientation can be unlocked once the |
179 // user rotates the device to match the video's orientation (allowing the user | 182 // user rotates the device to match the video's orientation (allowing the user |
180 // to then exit fullscreen by rotating their device back to the opposite | 183 // to then exit fullscreen by rotating their device back to the opposite |
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396 | 399 |
397 DeviceOrientationType video_orientation = | 400 DeviceOrientationType video_orientation = |
398 locked_orientation_ == kWebScreenOrientationLockPortrait | 401 locked_orientation_ == kWebScreenOrientationLockPortrait |
399 ? DeviceOrientationType::kPortrait | 402 ? DeviceOrientationType::kPortrait |
400 : DeviceOrientationType::kLandscape; | 403 : DeviceOrientationType::kLandscape; |
401 | 404 |
402 if (device_orientation != video_orientation) | 405 if (device_orientation != video_orientation) |
403 return; | 406 return; |
404 | 407 |
405 // Job done: the user rotated their device to match the orientation of the | 408 // Job done: the user rotated their device to match the orientation of the |
406 // video that we locked to, so now we can unlock (and stop listening). | 409 // video that we locked to, so now we can stop listening and unlock. |
407 MaybeUnlockOrientation(); | 410 if (LocalDOMWindow* dom_window = GetDocument().domWindow()) { |
| 411 dom_window->removeEventListener(EventTypeNames::deviceorientation, this, |
| 412 false); |
| 413 } |
| 414 // Delay before unlocking, as a workaround for the case where the device is |
| 415 // initially portrait-primary, then fullscreen orientation lock locks it to |
| 416 // landscape and the screen orientation changes to landscape-primary, but the |
| 417 // user actually rotates the device to landscape-secondary. In that case, if |
| 418 // this delegate unlocks the orientation before Android has detected the |
| 419 // rotation to landscape-secondary (which is slow due to low-pass filtering), |
| 420 // Android would change the screen orientation back to portrait-primary. This |
| 421 // is avoided by delaying unlocking long enough to ensure that Android has |
| 422 // detected the orientation change. |
| 423 unlock_task_ = |
| 424 TaskRunnerHelper::Get(TaskType::kMediaElementEvent, &GetDocument()) |
| 425 ->PostDelayedCancellableTask( |
| 426 BLINK_FROM_HERE, |
| 427 WTF::Bind( |
| 428 &MediaControlsOrientationLockDelegate::MaybeUnlockOrientation, |
| 429 WrapPersistent(this)), |
| 430 TimeDelta::FromMilliseconds(kUnlockDelayMs)); |
408 } | 431 } |
409 | 432 |
410 DEFINE_TRACE(MediaControlsOrientationLockDelegate) { | 433 DEFINE_TRACE(MediaControlsOrientationLockDelegate) { |
411 EventListener::Trace(visitor); | 434 EventListener::Trace(visitor); |
412 visitor->Trace(video_element_); | 435 visitor->Trace(video_element_); |
413 } | 436 } |
414 | 437 |
415 } // namespace blink | 438 } // namespace blink |
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