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Side by Side Diff: chrome/browser/extensions/api/system_info_cpu/cpu_info_provider.h

Issue 15817008: Move systemInfo.cpu API out out experimental namespace. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 7 years, 6 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 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 #ifndef CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_CPU_CPU_INFO_PROVIDER_H_ 4 #ifndef CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_CPU_CPU_INFO_PROVIDER_H_
5 #define CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_CPU_CPU_INFO_PROVIDER_H_ 5 #define CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_CPU_CPU_INFO_PROVIDER_H_
6 6
7 #include <vector> 7 #include <vector>
8 8
9 #include "base/timer.h" 9 #include "base/timer.h"
10 #include "chrome/browser/extensions/api/system_info/system_info_provider.h" 10 #include "chrome/browser/extensions/api/system_info/system_info_provider.h"
11 #include "chrome/common/extensions/api/experimental_system_info_cpu.h" 11 #include "chrome/common/extensions/api/system_info_cpu.h"
12 #include "content/public/browser/notification_observer.h" 12 #include "content/public/browser/notification_observer.h"
13 #include "content/public/browser/notification_registrar.h" 13 #include "content/public/browser/notification_registrar.h"
14 14
15 namespace extensions { 15 namespace extensions {
16 16
17 class CpuInfoProvider 17 class CpuInfoProvider
18 : public content::NotificationObserver, 18 : public content::NotificationObserver,
19 public SystemInfoProvider<api::experimental_system_info_cpu::CpuInfo> { 19 public SystemInfoProvider<api::system_info_cpu::CpuInfo> {
20 public: 20 public:
21 typedef base::Callback< 21 typedef base::Callback<
22 void(scoped_ptr<api::experimental_system_info_cpu::CpuUpdateInfo>)> 22 void(scoped_ptr<api::system_info_cpu::CpuUpdateInfo>)>
23 SamplingCallback; 23 SamplingCallback;
24 24
25 // Overriden from SystemInfoProvider<CpuInfo>. 25 // Overriden from SystemInfoProvider<CpuInfo>.
26 virtual bool QueryInfo( 26 virtual bool QueryInfo(
27 api::experimental_system_info_cpu::CpuInfo* info) OVERRIDE; 27 api::system_info_cpu::CpuInfo* info) OVERRIDE;
28 28
29 // Start sampling the CPU usage. The callback gets called when one sampling 29 // Start sampling the CPU usage. The callback gets called when one sampling
30 // cycle is completed periodically with the CPU updated usage info for each 30 // cycle is completed periodically with the CPU updated usage info for each
31 // processors. It gets called on UI thread, the |callback| gets called on the 31 // processors. It gets called on UI thread, the |callback| gets called on the
32 // FILE thread. 32 // FILE thread.
33 void StartSampling(const SamplingCallback& callback); 33 void StartSampling(const SamplingCallback& callback);
34 34
35 // Stop the sampling cycle. Called on the FILE thread. 35 // Stop the sampling cycle. Called on the FILE thread.
36 void StopSampling(); 36 void StopSampling();
37 37
38 // Return the single shared instance of CpuInfoProvider. 38 // Return the single shared instance of CpuInfoProvider.
39 static CpuInfoProvider* Get(); 39 static CpuInfoProvider* Get();
40 40
41 private: 41 private:
42 friend class SystemInfoProvider<api::experimental_system_info_cpu::CpuInfo>; 42 friend class SystemInfoProvider<api::system_info_cpu::CpuInfo>;
43 friend class MockCpuInfoProviderImpl; 43 friend class MockCpuInfoProviderImpl;
44 friend class TestCpuInfoProvider; 44 friend class TestCpuInfoProvider;
45 45
46 // The amount of time that CPU spent on performing different kinds of work. 46 // The amount of time that CPU spent on performing different kinds of work.
47 // It is used to calculate the usage percent for processors. 47 // It is used to calculate the usage percent for processors.
48 struct CpuTime { 48 struct CpuTime {
49 CpuTime() : user(0), kernel(0), idle(0) {} 49 CpuTime() : user(0), kernel(0), idle(0) {}
50 int64 user; // user mode. 50 int64 user; // user mode.
51 int64 kernel; // kernel mode. 51 int64 kernel; // kernel mode.
52 int64 idle; // twiddling thumbs. 52 int64 idle; // twiddling thumbs.
(...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after
88 base::RepeatingTimer<CpuInfoProvider>* sampling_timer_; 88 base::RepeatingTimer<CpuInfoProvider>* sampling_timer_;
89 89
90 // The time interval for sampling, in milliseconds. 90 // The time interval for sampling, in milliseconds.
91 int sampling_interval_; 91 int sampling_interval_;
92 }; 92 };
93 93
94 } // namespace extensions 94 } // namespace extensions
95 95
96 #endif // CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_CPU_CPU_INFO_PROVIDER_H_ 96 #endif // CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_CPU_CPU_INFO_PROVIDER_H_
97 97
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