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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
|
jam
2016/09/09 16:06:54
ditto re owners
bashi
2016/09/15 04:55:08
Done.
| |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef COMPONENTS_MEMORY_COORDINATOR_CHILD_CHILD_MEMORY_COORDINATOR_IMPL_H_ | 5 #ifndef CONTENT_CHILD_MEMORY_CHILD_MEMORY_COORDINATOR_IMPL_H_ |
| 6 #define COMPONENTS_MEMORY_COORDINATOR_CHILD_CHILD_MEMORY_COORDINATOR_IMPL_H_ | 6 #define CONTENT_CHILD_MEMORY_CHILD_MEMORY_COORDINATOR_IMPL_H_ |
| 7 | 7 |
| 8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
| 9 #include "base/memory/memory_coordinator_client.h" | 9 #include "base/memory/memory_coordinator_client.h" |
| 10 #include "components/memory_coordinator/common/memory_coordinator_export.h" | 10 #include "content/common/child_memory_coordinator.mojom.h" |
| 11 #include "components/memory_coordinator/common/memory_coordinator_features.h" | 11 #include "content/common/content_export.h" |
| 12 #include "components/memory_coordinator/public/interfaces/child_memory_coordinat or.mojom.h" | 12 #include "content/common/memory_coordinator.mojom.h" |
| 13 #include "components/memory_coordinator/public/interfaces/memory_coordinator.moj om.h" | |
| 14 #include "mojo/public/cpp/bindings/binding.h" | 13 #include "mojo/public/cpp/bindings/binding.h" |
| 15 | 14 |
| 16 namespace memory_coordinator { | 15 namespace content { |
| 17 | 16 |
| 18 class MEMORY_COORDINATOR_EXPORT ChildMemoryCoordinatorDelegate { | 17 class CONTENT_EXPORT ChildMemoryCoordinatorDelegate { |
| 19 public: | 18 public: |
| 20 virtual ~ChildMemoryCoordinatorDelegate() {} | 19 virtual ~ChildMemoryCoordinatorDelegate() {} |
| 21 | 20 |
| 22 // Called when the system requests immediate actions to free memory. | 21 // Called when the system requests immediate actions to free memory. |
| 23 virtual void OnTrimMemoryImmediately() = 0; | 22 virtual void OnTrimMemoryImmediately() = 0; |
| 24 }; | 23 }; |
| 25 | 24 |
| 26 // ChildMemoryCoordinatorImpl is the implementation of ChildMemoryCoordinator. | 25 // ChildMemoryCoordinatorImpl is the implementation of ChildMemoryCoordinator. |
| 27 // It lives in child processes and is responsible for dispatching memory events | 26 // It lives in child processes and is responsible for dispatching memory events |
| 28 // to its clients. | 27 // to its clients. |
| 29 class MEMORY_COORDINATOR_EXPORT ChildMemoryCoordinatorImpl | 28 class CONTENT_EXPORT ChildMemoryCoordinatorImpl |
| 30 : NON_EXPORTED_BASE(public mojom::ChildMemoryCoordinator) { | 29 : NON_EXPORTED_BASE(public mojom::ChildMemoryCoordinator) { |
| 31 public: | 30 public: |
| 32 // Returns the instance of ChildMemoryCoordinatorImpl. Could be nullptr. | 31 // Returns the instance of ChildMemoryCoordinatorImpl. Could be nullptr. |
| 33 static ChildMemoryCoordinatorImpl* GetInstance(); | 32 static ChildMemoryCoordinatorImpl* GetInstance(); |
| 34 | 33 |
| 35 ChildMemoryCoordinatorImpl(mojom::MemoryCoordinatorHandlePtr parent, | 34 ChildMemoryCoordinatorImpl(mojom::MemoryCoordinatorHandlePtr parent, |
| 36 ChildMemoryCoordinatorDelegate* delegate); | 35 ChildMemoryCoordinatorDelegate* delegate); |
| 37 ~ChildMemoryCoordinatorImpl() override; | 36 ~ChildMemoryCoordinatorImpl() override; |
| 38 | 37 |
| 39 // mojom::ChildMemoryCoordinator implementations: | 38 // mojom::ChildMemoryCoordinator implementations: |
| 40 void OnStateChange(mojom::MemoryState state) override; | 39 void OnStateChange(mojom::MemoryState state) override; |
| 41 | 40 |
| 42 protected: | 41 protected: |
| 43 ChildMemoryCoordinatorDelegate* delegate() { return delegate_; } | 42 ChildMemoryCoordinatorDelegate* delegate() { return delegate_; } |
| 44 | 43 |
| 45 private: | 44 private: |
| 46 friend class ChildMemoryCoordinatorImplTest; | 45 friend class ChildMemoryCoordinatorImplTest; |
| 47 | 46 |
| 48 mojo::Binding<mojom::ChildMemoryCoordinator> binding_; | 47 mojo::Binding<mojom::ChildMemoryCoordinator> binding_; |
| 49 mojom::MemoryCoordinatorHandlePtr parent_; | 48 mojom::MemoryCoordinatorHandlePtr parent_; |
| 50 ChildMemoryCoordinatorDelegate* delegate_; | 49 ChildMemoryCoordinatorDelegate* delegate_; |
| 51 | 50 |
| 52 DISALLOW_COPY_AND_ASSIGN(ChildMemoryCoordinatorImpl); | 51 DISALLOW_COPY_AND_ASSIGN(ChildMemoryCoordinatorImpl); |
| 53 }; | 52 }; |
| 54 | 53 |
| 55 // Factory function for creating a ChildMemoryCoordinator for the current | 54 // Factory function for creating a ChildMemoryCoordinator for the current |
| 56 // platform. Doesn't take the ownership of |delegate|. | 55 // platform. Doesn't take the ownership of |delegate|. |
| 57 MEMORY_COORDINATOR_EXPORT std::unique_ptr<ChildMemoryCoordinatorImpl> | 56 CONTENT_EXPORT std::unique_ptr<ChildMemoryCoordinatorImpl> |
| 58 CreateChildMemoryCoordinator(mojom::MemoryCoordinatorHandlePtr parent, | 57 CreateChildMemoryCoordinator(mojom::MemoryCoordinatorHandlePtr parent, |
| 59 ChildMemoryCoordinatorDelegate* delegate); | 58 ChildMemoryCoordinatorDelegate* delegate); |
| 60 | 59 |
| 61 } // namespace memory_coordinator | 60 } // namespace content |
| 62 | 61 |
| 63 #endif // COMPONENTS_MEMORY_COORDINATOR_CHILD_CHILD_MEMORY_COORDINATOR_IMPL_H_ | 62 #endif // CONTENT_CHILD_MEMORY_CHILD_MEMORY_COORDINATOR_IMPL_H_ |
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