Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef CONTENT_BROWSER_PROFILER_CONTROLLER_IMPL_H_ |
| 6 | #define CONTENT_BROWSER_PROFILER_CONTROLLER_IMPL_H_ |
| 7 | |
| 8 | #include "base/memory/singleton.h" |
| 9 | #include "base/process.h" |
| 10 | #include "content/common/content_export.h" |
| 11 | #include "content/public/browser/profiler_controller.h" |
| 12 | #include "content/public/common/process_type.h" |
| 13 | |
| 14 | namespace tracked_objects { |
| 15 | struct ProcessDataSnapshot; |
| 16 | } |
| 17 | |
| 18 | namespace content { |
| 19 | |
| 20 | // ProfilerController's implementation. |
| 21 | class ProfilerControllerImpl : public ProfilerController { |
| 22 | public: |
| 23 | static ProfilerControllerImpl* GetInstance(); |
| 24 | |
| 25 | // Normally instantiated when the child process is launched. Only one instance |
| 26 | // should be created per process. |
| 27 | ProfilerControllerImpl(); |
| 28 | virtual ~ProfilerControllerImpl(); |
| 29 | |
| 30 | // Notify the |subscriber_| that it should expect at least |pending_processes| |
| 31 | // additional calls to OnProfilerDataCollected(). OnPendingProcess() may be |
| 32 | // called repeatedly; the last call will have |end| set to true, indicating |
| 33 | // that there is no longer a possibility for the count of pending processes to |
| 34 | // increase. This is called on the UI thread. |
| 35 | void OnPendingProcesses(int sequence_number, int pending_processes, bool end); |
| 36 | |
| 37 | // Send the |profiler_data| back to the |subscriber_|. |
| 38 | // This can be called from any thread. |
| 39 | void OnProfilerDataCollected( |
| 40 | int sequence_number, |
| 41 | const tracked_objects::ProcessDataSnapshot& profiler_data, |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 42 | int process_type); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 43 | |
| 44 | // ProfilerController implementation: |
| 45 | virtual void Register(ProfilerSubscriber* subscriber) OVERRIDE; |
| 46 | virtual void Unregister(const ProfilerSubscriber* subscriber) OVERRIDE; |
| 47 | virtual void GetProfilerData(int sequence_number) OVERRIDE; |
| 48 | |
| 49 | private: |
| 50 | friend struct DefaultSingletonTraits<ProfilerControllerImpl>; |
| 51 | |
| 52 | // Contact child processes and get their profiler data. |
| 53 | void GetProfilerDataFromChildProcesses(int sequence_number); |
| 54 | |
| 55 | ProfilerSubscriber* subscriber_; |
| 56 | |
| 57 | DISALLOW_COPY_AND_ASSIGN(ProfilerControllerImpl); |
| 58 | }; |
| 59 | |
| 60 | } // namespace content |
| 61 | |
| 62 | #endif // CONTENT_BROWSER_PROFILER_CONTROLLER_IMPL_H_ |