content/browser/power_save_blocker_android.cc - Issue 2075153002: Reland of 'Move content/browser/power_save_blocker to //device/power_save_blocker'

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Issue 2075153002: Reland of 'Move content/browser/power_save_blocker to //device/power_save_blocker' (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: missing libs for component mac 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 "content/browser/power_save_blocker_impl.h"

11 #include "jni/PowerSaveBlocker_jni.h"

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

13

14 namespace content {

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

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

53 DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());

54

55 ScopedJavaLocalRef<jobject> obj(java_power_save_blocker_);

56 JNIEnv* env = AttachCurrentThread();

57 if (view_android_) {

58 Java_PowerSaveBlocker_applyBlock(

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

60 }

61 }

62

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

64 DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());

65 ScopedJavaLocalRef<jobject> obj(java_power_save_blocker_);

66 JNIEnv* env = AttachCurrentThread();

67 if (view_android_) {

68 Java_PowerSaveBlocker_removeBlock(

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

70 }

71 }

72

73 PowerSaveBlockerImpl::PowerSaveBlockerImpl(

74 PowerSaveBlockerType type,

75 Reason reason,

76 const std::string& description,

77 scoped_refptr<base::SequencedTaskRunner> ui_task_runner,

78 scoped_refptr<base::SingleThreadTaskRunner> blocking_task_runner)

79 : ui_task_runner_(ui_task_runner),

80 blocking_task_runner_(blocking_task_runner) {

81 // Don't support kPowerSaveBlockPreventAppSuspension

82 }

83

84 PowerSaveBlockerImpl::~PowerSaveBlockerImpl() {

85 if (delegate_.get()) {

86 ui_task_runner_->PostTask(FROM_HERE,

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

88 }

89 }

90

91 void PowerSaveBlockerImpl::InitDisplaySleepBlocker(

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

93 DCHECK(ui_task_runner_->RunsTasksOnCurrentThread());

94 if (!view_android)

95 return;

96

97 delegate_ = new Delegate(view_android, ui_task_runner_);

98 delegate_->ApplyBlock();

99 }

100

101 bool RegisterPowerSaveBlocker(JNIEnv* env) {

102 return RegisterNativesImpl(env);

103 }

104

105 } // namespace content

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