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| 1 // Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_API_SYSTEM_CPU_CPU_INFO_PROVIDER_H_ | |
| 6 #define CHROME_BROWSER_EXTENSIONS_API_SYSTEM_CPU_CPU_INFO_PROVIDER_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/cpu.h" | |
| 11 #include "base/lazy_instance.h" | |
| 12 #include "chrome/browser/extensions/api/system_info/system_info_provider.h" | |
| 13 #include "chrome/common/extensions/api/system_cpu.h" | |
| 14 | |
| 15 namespace extensions { | |
| 16 | |
| 17 class CpuInfoProvider : public SystemInfoProvider { | |
| 18 public: | |
| 19 // Return the single shared instance of CpuInfoProvider. | |
| 20 static CpuInfoProvider* Get(); | |
| 21 | |
| 22 const api::system_cpu::CpuInfo& cpu_info() const; | |
| 23 | |
| 24 static void InitializeForTesting(scoped_refptr<CpuInfoProvider> provider); | |
| 25 | |
| 26 private: | |
| 27 friend class MockCpuInfoProviderImpl; | |
| 28 | |
| 29 CpuInfoProvider(); | |
| 30 virtual ~CpuInfoProvider(); | |
| 31 | |
| 32 // Platform specific implementation for querying the CPU time information | |
| 33 // for each processor. | |
| 34 virtual bool QueryCpuTimePerProcessor( | |
| 35 std::vector<linked_ptr<api::system_cpu::ProcessorInfo> >* infos); | |
| 36 | |
| 37 // Overriden from SystemInfoProvider. | |
| 38 virtual bool QueryInfo() OVERRIDE; | |
| 39 | |
| 40 // Creates a list of codenames for currently active features. | |
| 41 std::vector<std::string> GetFeatures() const; | |
| 42 | |
| 43 // The last information filled up by QueryInfo and is accessed on multiple | |
| 44 // threads, but the whole class is being guarded by SystemInfoProvider base | |
| 45 // class. | |
| 46 // | |
| 47 // |info_| is accessed on the UI thread while |is_waiting_for_completion_| is | |
| 48 // false and on the sequenced worker pool while |is_waiting_for_completion_| | |
| 49 // is true. | |
| 50 api::system_cpu::CpuInfo info_; | |
| 51 | |
| 52 static base::LazyInstance<scoped_refptr<CpuInfoProvider> > provider_; | |
| 53 base::CPU cpu_; | |
| 54 | |
| 55 DISALLOW_COPY_AND_ASSIGN(CpuInfoProvider); | |
| 56 }; | |
| 57 | |
| 58 } // namespace extensions | |
| 59 | |
| 60 #endif // CHROME_BROWSER_EXTENSIONS_API_SYSTEM_CPU_CPU_INFO_PROVIDER_H_ | |
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Chromium Code Reviews
Issue 389633002:
Move system.* family of APIs to extensions/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master