| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "device/power_save_blocker/power_save_blocker.h" |
| |
| #include "base/android/jni_android.h" |
| #include "base/bind.h" |
| #include "base/location.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "jni/PowerSaveBlocker_jni.h" |
| #include "ui/android/view_android.h" |
| |
| namespace device { |
| |
| using base::android::AttachCurrentThread; |
| using base::android::ScopedJavaLocalRef; |
| |
| class PowerSaveBlocker::Delegate |
| : public base::RefCountedThreadSafe<PowerSaveBlocker::Delegate> { |
| public: |
| Delegate(scoped_refptr<base::SequencedTaskRunner> ui_task_runner); |
| |
| // Does the actual work to apply or remove the desired power save block. |
| void ApplyBlock(ui::ViewAndroid* view_android); |
| void RemoveBlock(); |
| |
| private: |
| friend class base::RefCountedThreadSafe<Delegate>; |
| ~Delegate(); |
| |
| base::android::ScopedJavaGlobalRef<jobject> java_power_save_blocker_; |
| |
| scoped_refptr<base::SequencedTaskRunner> ui_task_runner_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Delegate); |
| }; |
| |
| PowerSaveBlocker::Delegate::Delegate( |
| scoped_refptr<base::SequencedTaskRunner> ui_task_runner) |
| : ui_task_runner_(ui_task_runner) { |
| JNIEnv* env = AttachCurrentThread(); |
| java_power_save_blocker_.Reset(Java_PowerSaveBlocker_create(env)); |
| } |
| |
| PowerSaveBlocker::Delegate::~Delegate() {} |
| |
| void PowerSaveBlocker::Delegate::ApplyBlock(ui::ViewAndroid* view_android) { |
| DCHECK(ui_task_runner_->RunsTasksOnCurrentThread()); |
| DCHECK(view_android); |
| |
| ScopedJavaLocalRef<jobject> obj(java_power_save_blocker_); |
| ScopedJavaLocalRef<jobject> container_view(view_android->GetContainerView()); |
| if (container_view.is_null()) |
| return; |
| |
| Java_PowerSaveBlocker_applyBlock(AttachCurrentThread(), obj, container_view); |
| } |
| |
| void PowerSaveBlocker::Delegate::RemoveBlock() { |
| DCHECK(ui_task_runner_->RunsTasksOnCurrentThread()); |
| |
| ScopedJavaLocalRef<jobject> obj(java_power_save_blocker_); |
| Java_PowerSaveBlocker_removeBlock(AttachCurrentThread(), obj); |
| } |
| |
| PowerSaveBlocker::PowerSaveBlocker( |
| PowerSaveBlockerType type, |
| Reason reason, |
| const std::string& description, |
| scoped_refptr<base::SequencedTaskRunner> ui_task_runner, |
| scoped_refptr<base::SingleThreadTaskRunner> blocking_task_runner) |
| : ui_task_runner_(ui_task_runner), |
| blocking_task_runner_(blocking_task_runner) { |
| // Don't support kPowerSaveBlockPreventAppSuspension |
| } |
| |
| PowerSaveBlocker::~PowerSaveBlocker() { |
| if (delegate_.get()) { |
| ui_task_runner_->PostTask(FROM_HERE, |
| base::Bind(&Delegate::RemoveBlock, delegate_)); |
| } |
| } |
| |
| void PowerSaveBlocker::InitDisplaySleepBlocker(ui::ViewAndroid* view_android) { |
| DCHECK(ui_task_runner_->RunsTasksOnCurrentThread()); |
| DCHECK(view_android); |
| |
| delegate_ = new Delegate(ui_task_runner_); |
| delegate_->ApplyBlock(view_android); |
| } |
| |
| } // namespace device |