content/browser/power_profiler/power_profiler_observer.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_PROFILER_OBSERVER_H_
   6 #define CONTENT_BROWSER_POWER_PROFILER_POWER_PROFILER_OBSERVER_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "content/common/content_export.h"
  12
  13 namespace content {
  14
  15 struct PowerEvent;
  16 typedef std::vector<PowerEvent> PowerEventVector;
  17
  18 // A class used to monitor power usage data.
  19 class CONTENT_EXPORT PowerProfilerObserver {
  20  public:
  21   PowerProfilerObserver() {}
  22   virtual ~PowerProfilerObserver() {}
  23
  24   // This method will be called on the UI thread.
  25   virtual void OnPowerEvent(const PowerEventVector&) = 0;
  26
  27  private:
  28   DISALLOW_COPY_AND_ASSIGN(PowerProfilerObserver);
  29 };
  30
  31 }  // namespace content
  32
  33 #endif  // CONTENT_BROWSER_POWER_PROFILER_POWER_PROFILER_OBSERVER_H_