| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_METRICS_TRACKING_SYNCHRONIZER_OBSERVER_H_ |
| #define CHROME_BROWSER_METRICS_TRACKING_SYNCHRONIZER_OBSERVER_H_ |
| |
| namespace tracked_objects { |
| struct ProcessDataSnapshot; |
| } |
| |
| namespace chrome_browser_metrics { |
| |
| // Observer for notifications from the TrackingSynchronizer class. |
| class TrackingSynchronizerObserver { |
| public: |
| // Received |profiler_data| from a single process of |process_type|. |
| // The observer should assume there might be more data coming until |
| // |FinishedReceivingData()| is called. |
| virtual void ReceivedProfilerData( |
| const tracked_objects::ProcessDataSnapshot& profiler_data, |
| int process_type) = 0; |
| |
| // The observer should not expect any more calls to |ReceivedProfilerData()| |
| // (without re-registering). This is sent either when data from all processes |
| // has been gathered, or when the request times out. |
| virtual void FinishedReceivingProfilerData() {} |
| |
| protected: |
| TrackingSynchronizerObserver() {} |
| virtual ~TrackingSynchronizerObserver() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TrackingSynchronizerObserver); |
| }; |
| |
| } // namespace chrome_browser_metrics |
| |
| #endif // CHROME_BROWSER_METRICS_TRACKING_SYNCHRONIZER_OBSERVER_H_ |