content/browser/power_profiler/power_data_provider.h

   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 CONTENT_BROWSER_POWER_PROFILER_POWER_DATA_PROVIDER_H_
   6 #define CONTENT_BROWSER_POWER_PROFILER_POWER_DATA_PROVIDER_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "content/browser/power_profiler/power_event.h"
  12
  13 namespace content {
  14
  15 typedef std::vector<PowerEvent> PowerEventVector;
  16
  17 // A class used to get power usage.
  18 class PowerDataProvider {
  19  public:
  20   static scoped_ptr<PowerDataProvider> Create();
  21
  22   PowerDataProvider() {}
  23   virtual ~PowerDataProvider() {}
  24
  25   // Returns a vector of power events, one per type, for the types it supports.
  26   virtual PowerEventVector GetData() = 0;
  27 };
  28
  29 }  // namespace content
  30
  31 #endif  // CONTENT_BROWSER_POWER_PROFILER_POWER_DATA_PROVIDER_H_