device/power_save_blocker/power_save_blocker_android.cc - Issue 2075973002: Revert of Move content/browser/power_save_blocker to //device/power_save_blocker

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Issue 2075973002: Revert of Move content/browser/power_save_blocker to //device/power_save_blocker (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@power-save-next-2

Patch Set: Created 4 years, 6 months ago

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1 // Copyright (c) 2012 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 "base/android/jni_android.h"

6 #include "base/bind.h"

7 #include "base/location.h"

8 #include "base/logging.h"

9 #include "base/macros.h"

10 #include "device/power_save_blocker/power_save_blocker_impl.h"

11 #include "jni/PowerSaveBlocker_jni.h"

12 #include "ui/android/view_android.h"

13

14 namespace device {

15

16 using base::android::AttachCurrentThread;

17

18 class PowerSaveBlockerImpl::Delegate

19 : public base::RefCountedThreadSafe<PowerSaveBlockerImpl::Delegate> {

20 public:

21 Delegate(base::WeakPtr<ui::ViewAndroid> view_android,

22 scoped_refptr<base::SequencedTaskRunner> ui_task_runner);

23

24 // Does the actual work to apply or remove the desired power save block.

25 void ApplyBlock();

26 void RemoveBlock();

27

28 private:

29 friend class base::RefCountedThreadSafe<Delegate>;

30 ~Delegate();

31

32 base::WeakPtr<ui::ViewAndroid> view_android_;

33

34 base::android::ScopedJavaGlobalRef<jobject> java_power_save_blocker_;

35

36 scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;

37

38 DISALLOW_COPY_AND_ASSIGN(Delegate);

39 };

40

41 PowerSaveBlockerImpl::Delegate::Delegate(

42 base::WeakPtr<ui::ViewAndroid> view_android,

43 scoped_refptr<base::SequencedTaskRunner> ui_task_runner)

44 : view_android_(view_android), ui_task_runner_(ui_task_runner) {

45 JNIEnv* env = AttachCurrentThread();

46 java_power_save_blocker_.Reset(Java_PowerSaveBlocker_create(env));

47 }

48

49 PowerSaveBlockerImpl::Delegate::~Delegate() {}

50

51 void PowerSaveBlockerImpl::Delegate::ApplyBlock() {

52 DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());

53

54 ScopedJavaLocalRef<jobject> obj(java_power_save_blocker_);

55 JNIEnv* env = AttachCurrentThread();

56 if (view_android_) {

57 Java_PowerSaveBlocker_applyBlock(

58 env, obj.obj(), view_android_->GetViewAndroidDelegate().obj());

59 }

60 }

61

62 void PowerSaveBlockerImpl::Delegate::RemoveBlock() {

63 DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());

64 ScopedJavaLocalRef<jobject> obj(java_power_save_blocker_);

65 JNIEnv* env = AttachCurrentThread();

66 if (view_android_) {

67 Java_PowerSaveBlocker_removeBlock(

68 env, obj.obj(), view_android_->GetViewAndroidDelegate().obj());

69 }

70 }

71

72 PowerSaveBlockerImpl::PowerSaveBlockerImpl(

73 PowerSaveBlockerType type,

74 Reason reason,

75 const std::string& description,

76 scoped_refptr<base::SequencedTaskRunner> ui_task_runner,

77 scoped_refptr<base::SingleThreadTaskRunner> blocking_task_runner)

78 : ui_task_runner_(ui_task_runner),

79 blocking_task_runner_(blocking_task_runner) {

80 // Don't support kPowerSaveBlockPreventAppSuspension

81 }

82

83 PowerSaveBlockerImpl::~PowerSaveBlockerImpl() {

84 if (delegate_.get()) {

85 ui_task_runner_->PostTask(FROM_HERE,

86 base::Bind(&Delegate::RemoveBlock, delegate_));

87 }

88 }

89

90 void PowerSaveBlockerImpl::InitDisplaySleepBlocker(

91 const base::WeakPtr<ui::ViewAndroid>& view_android) {

92 DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());

93 if (!view_android)

94 return;

95

96 delegate_ = new Delegate(view_android, ui_task_runner_);

97 delegate_->ApplyBlock();

98 }

99

100 bool RegisterPowerSaveBlocker(JNIEnv* env) {

101 return RegisterNativesImpl(env);

102 }

103

104 } // namespace device

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