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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef ATHENA_RESOURCE_MANAGER_PUBLIC_RESOURCE_MANAGER_DLEGATE_H_ | |
6 #define ATHENA_RESOURCE_MANAGER_PUBLIC_RESOURCE_MANAGER_DLEGATE_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "athena/athena_export.h" | |
11 #include "base/macros.h" | |
12 | |
13 namespace athena { | |
14 | |
15 // The resource manager delegate which abstracts system function calls to allow | |
16 // unit tests to override them. | |
17 class ATHENA_EXPORT ResourceManagerDelegate { | |
18 public: | |
19 static ResourceManagerDelegate* CreateResourceManagerDelegate(); | |
20 | |
21 ResourceManagerDelegate() {} | |
22 virtual ~ResourceManagerDelegate() {} | |
23 | |
24 // Returns the percentage of memory used in the system. | |
25 virtual int GetUsedMemoryInPercent() = 0; | |
26 | |
27 // Returns the time memory pressure interval time in ms to be used by the | |
28 // memory pressure monitoring system. This is also used as the default time | |
29 // difference between resource de-allocation operation calls. | |
30 virtual int MemoryPressureIntervalInMS() = 0; | |
31 }; | |
32 | |
33 } // namespace athena | |
34 | |
35 #endif // ATHENA_RESOURCE_MANAGER_PUBLIC_RESOURCE_MANAGER_DLEGATE_H_ | |
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