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| 1 // Copyright 2015 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 "content/browser/wake_lock/wake_lock_service_context.h" | |
| 6 | |
| 7 #include <utility> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/threading/thread_task_runner_handle.h" | |
| 11 #include "build/build_config.h" | |
| 12 #include "device/power_save_blocker/power_save_blocker.h" | |
| 13 #include "mojo/public/cpp/bindings/strong_binding.h" | |
| 14 | |
| 15 namespace content { | |
| 16 | |
| 17 WakeLockServiceContext::WakeLockServiceContext( | |
| 18 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner, | |
| 19 base::Callback<gfx::NativeView()> native_view_getter) | |
| 20 : main_task_runner_(base::ThreadTaskRunnerHandle::Get()), | |
| 21 file_task_runner_(file_task_runner), | |
| 22 num_lock_requests_(0), | |
| 23 native_view_getter_(native_view_getter), | |
| 24 weak_factory_(this) {} | |
| 25 | |
| 26 WakeLockServiceContext::~WakeLockServiceContext() {} | |
| 27 | |
| 28 void WakeLockServiceContext::CreateService( | |
| 29 mojo::InterfaceRequest<blink::mojom::WakeLockService> request) { | |
| 30 mojo::MakeStrongBinding( | |
| 31 base::MakeUnique<WakeLockServiceImpl>(weak_factory_.GetWeakPtr()), | |
| 32 std::move(request)); | |
| 33 } | |
| 34 | |
| 35 void WakeLockServiceContext::RequestWakeLock() { | |
| 36 DCHECK(main_task_runner_->RunsTasksOnCurrentThread()); | |
| 37 num_lock_requests_++; | |
| 38 UpdateWakeLock(); | |
| 39 } | |
| 40 | |
| 41 void WakeLockServiceContext::CancelWakeLock() { | |
| 42 DCHECK(main_task_runner_->RunsTasksOnCurrentThread()); | |
| 43 num_lock_requests_--; | |
| 44 UpdateWakeLock(); | |
| 45 } | |
| 46 | |
| 47 bool WakeLockServiceContext::HasWakeLockForTests() const { | |
| 48 return !!wake_lock_; | |
| 49 } | |
| 50 | |
| 51 void WakeLockServiceContext::CreateWakeLock() { | |
| 52 DCHECK(!wake_lock_); | |
| 53 wake_lock_.reset(new device::PowerSaveBlocker( | |
| 54 device::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep, | |
| 55 device::PowerSaveBlocker::kReasonOther, "Wake Lock API", | |
| 56 main_task_runner_, file_task_runner_)); | |
| 57 | |
| 58 #if defined(OS_ANDROID) | |
| 59 gfx::NativeView native_view = native_view_getter_.Run(); | |
| 60 if (native_view) { | |
| 61 wake_lock_.get()->InitDisplaySleepBlocker(native_view); | |
| 62 } | |
| 63 #endif | |
| 64 } | |
| 65 | |
| 66 void WakeLockServiceContext::RemoveWakeLock() { | |
| 67 DCHECK(wake_lock_); | |
| 68 wake_lock_.reset(); | |
| 69 } | |
| 70 | |
| 71 void WakeLockServiceContext::UpdateWakeLock() { | |
| 72 DCHECK(num_lock_requests_ >= 0); | |
| 73 if (num_lock_requests_) { | |
| 74 if (!wake_lock_) | |
| 75 CreateWakeLock(); | |
| 76 } else { | |
| 77 if (wake_lock_) | |
| 78 RemoveWakeLock(); | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 } // namespace content | |
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Chromium Code Reviews
Issue 2389743002:
Content Modularization Project: Move Wake Lock to //device (Closed)
