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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
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 ATHENA_RESOURCE_MANAGER_PUBLIC_RESOURCE_MANAGER_H_ | 5 #ifndef ATHENA_RESOURCE_MANAGER_PUBLIC_RESOURCE_MANAGER_H_ |
6 #define ATHENA_RESOURCE_MANAGER_PUBLIC_RESOURCE_MANAGER_H_ | 6 #define ATHENA_RESOURCE_MANAGER_PUBLIC_RESOURCE_MANAGER_H_ |
7 | 7 |
8 #include "athena/athena_export.h" | |
8 #include "athena/resource_manager/memory_pressure_notifier.h" | 9 #include "athena/resource_manager/memory_pressure_notifier.h" |
9 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
10 | 11 |
11 namespace athena { | 12 namespace athena { |
12 | 13 |
13 // The resource manager is monitoring activity changes, low memory conditions | 14 // The resource manager is monitoring activity changes, low memory conditions |
14 // and other events to control the activity state (pre-/un-/re-/loading them) | 15 // and other events to control the activity state (pre-/un-/re-/loading them) |
15 // to keep enough memory free that no jank/lag will show when new applications | 16 // to keep enough memory free that no jank/lag will show when new applications |
16 // are loaded and / or a navigation between applications takes place. | 17 // are loaded and / or a navigation between applications takes place. |
17 class ResourceManager { | 18 class ATHENA_EXPORT ResourceManager { |
Jun Mukai
2014/08/29 00:08:25
Also adding ATHENA_EXPORT to athena/resource_manag
oshima
2014/08/29 00:44:43
Done.
| |
18 public: | 19 public: |
19 // Creates the instance handling the resources. | 20 // Creates the instance handling the resources. |
20 static void Create(); | 21 static void Create(); |
21 static ResourceManager* Get(); | 22 static ResourceManager* Get(); |
22 static void Shutdown(); | 23 static void Shutdown(); |
23 | 24 |
24 ResourceManager(); | 25 ResourceManager(); |
25 virtual ~ResourceManager(); | 26 virtual ~ResourceManager(); |
26 | 27 |
27 // Unit tests can simulate MemoryPressure changes with this call. | 28 // Unit tests can simulate MemoryPressure changes with this call. |
28 // Note: Even though the default unit test ResourceManagerDelegte | 29 // Note: Even though the default unit test ResourceManagerDelegte |
29 // implementation ensures that the MemoryPressure event will not go off, | 30 // implementation ensures that the MemoryPressure event will not go off, |
30 // this call will also explicitly stop the MemoryPressureNotifier. | 31 // this call will also explicitly stop the MemoryPressureNotifier. |
31 virtual void SetMemoryPressureAndStopMonitoring( | 32 virtual void SetMemoryPressureAndStopMonitoring( |
32 MemoryPressureObserver::MemoryPressure pressure) = 0; | 33 MemoryPressureObserver::MemoryPressure pressure) = 0; |
33 | 34 |
34 private: | 35 private: |
35 DISALLOW_COPY_AND_ASSIGN(ResourceManager); | 36 DISALLOW_COPY_AND_ASSIGN(ResourceManager); |
36 }; | 37 }; |
37 | 38 |
38 } // namespace athena | 39 } // namespace athena |
39 | 40 |
40 #endif // ATHENA_RESOURCE_MANAGER_PUBLIC_RESOURCE_MANAGER_H_ | 41 #endif // ATHENA_RESOURCE_MANAGER_PUBLIC_RESOURCE_MANAGER_H_ |
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