| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright 2017 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 #include "media/capture/video/chromeos/display_rotation_observer.h" | |
| 6 | |
| 7 #include <utility> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/threading/thread_task_runner_handle.h" | |
| 11 | |
| 12 namespace media { | |
| 13 | |
| 14 ScreenObserverDelegate::ScreenObserverDelegate( | |
| 15 DisplayRotationObserver* observer, | |
| 16 scoped_refptr<base::SingleThreadTaskRunner> display_task_runner) | |
| 17 : observer_(observer), | |
| 18 display_task_runner_(std::move(display_task_runner)), | |
| 19 delegate_task_runner_(base::ThreadTaskRunnerHandle::Get()) { | |
| 20 display_task_runner_->PostTask( | |
| 21 FROM_HERE, | |
| 22 base::Bind(&ScreenObserverDelegate::AddObserverOnDisplayThread, this)); | |
| 23 } | |
| 24 | |
| 25 void ScreenObserverDelegate::RemoveObserver() { | |
| 26 DCHECK(delegate_task_runner_->BelongsToCurrentThread()); | |
| 27 observer_ = NULL; | |
| 28 display_task_runner_->PostTask( | |
| 29 FROM_HERE, | |
| 30 base::Bind(&ScreenObserverDelegate::RemoveObserverOnDisplayThread, this)); | |
| 31 } | |
| 32 | |
| 33 ScreenObserverDelegate::~ScreenObserverDelegate() { | |
| 34 DCHECK(!observer_); | |
| 35 } | |
| 36 | |
| 37 void ScreenObserverDelegate::OnDisplayAdded( | |
| 38 const display::Display& /*new_display*/) {} | |
| 39 | |
| 40 void ScreenObserverDelegate::OnDisplayRemoved( | |
| 41 const display::Display& /*old_display*/) {} | |
| 42 | |
| 43 void ScreenObserverDelegate::OnDisplayMetricsChanged( | |
| 44 const display::Display& display, | |
| 45 uint32_t metrics) { | |
| 46 DCHECK(display_task_runner_->BelongsToCurrentThread()); | |
| 47 if (!(metrics & DISPLAY_METRIC_ROTATION)) | |
| 48 return; | |
| 49 SendDisplayRotation(display); | |
| 50 } | |
| 51 | |
| 52 void ScreenObserverDelegate::AddObserverOnDisplayThread() { | |
| 53 DCHECK(display_task_runner_->BelongsToCurrentThread()); | |
| 54 display::Screen* screen = display::Screen::GetScreen(); | |
| 55 if (screen) { | |
| 56 screen->AddObserver(this); | |
| 57 SendDisplayRotation(screen->GetPrimaryDisplay()); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 void ScreenObserverDelegate::RemoveObserverOnDisplayThread() { | |
| 62 DCHECK(display_task_runner_->BelongsToCurrentThread()); | |
| 63 display::Screen* screen = display::Screen::GetScreen(); | |
| 64 if (screen) { | |
| 65 screen->RemoveObserver(this); | |
| 66 } | |
| 67 } | |
| 68 | |
| 69 // Post the screen rotation change from the UI thread to capture thread | |
| 70 void ScreenObserverDelegate::SendDisplayRotation( | |
| 71 const display::Display& display) { | |
| 72 DCHECK(display_task_runner_->BelongsToCurrentThread()); | |
| 73 delegate_task_runner_->PostTask( | |
| 74 FROM_HERE, | |
| 75 base::Bind(&ScreenObserverDelegate::SendDisplayRotationOnCaptureThread, | |
| 76 this, display)); | |
| 77 } | |
| 78 | |
| 79 void ScreenObserverDelegate::SendDisplayRotationOnCaptureThread( | |
| 80 const display::Display& display) { | |
| 81 DCHECK(delegate_task_runner_->BelongsToCurrentThread()); | |
| 82 if (observer_) | |
| 83 observer_->SetDisplayRotation(display); | |
| 84 } | |
| 85 | |
| 86 } // namespace media | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2936373002:
Revert of media: add video capture device for ARC++ camera HAL v3 (Closed)
