| // Copyright 2017 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 COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_DATA_USE_OBSERVER_H_ |
| #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_DATA_USE_OBSERVER_H_ |
| |
| #include "base/macros.h" |
| #include "base/threading/thread_checker.h" |
| #include "components/data_use_measurement/core/data_use.h" |
| #include "components/data_use_measurement/core/data_use_ascriber.h" |
| |
| namespace net { |
| class URLRequest; |
| } |
| |
| namespace data_reduction_proxy { |
| |
| class DataReductionProxyIOData; |
| |
| // Observers the page load events from DataUseAscriber and records the data |
| // usage per site to database. |
| class DataReductionProxyDataUseObserver |
| : public data_use_measurement::DataUseAscriber::PageLoadObserver { |
| public: |
| // |data_reduction_proxy_io_data| is used to record the bytes to database. |
| // |data_use_ascriber| is used to listen for events. |
| // |this| is owned by |data_reduction_proxy_io_data|. |
| DataReductionProxyDataUseObserver( |
| DataReductionProxyIOData* data_reduction_proxy_io_data, |
| data_use_measurement::DataUseAscriber* data_use_ascriber); |
| |
| ~DataReductionProxyDataUseObserver() override; |
| |
| private: |
| friend class DataReductionProxyDataUseObserverTest; |
| |
| // PageLoadObserver methods. |
| void OnPageLoadCommit(data_use_measurement::DataUse* data_use) override; |
| void OnPageResourceLoad(const net::URLRequest& request, |
| data_use_measurement::DataUse* data_use) override; |
| void OnPageDidFinishLoad(data_use_measurement::DataUse* data_use) override; |
| void OnPageLoadConcluded(data_use_measurement::DataUse* data_use) override {} |
| void OnNetworkBytesUpdate(const net::URLRequest& request, |
| data_use_measurement::DataUse* data_use) override {} |
| |
| // |data_reduction_proxy_io_data_| owns |this| and is destroyed only after |
| // |this| is destroyed in the IO thread. |
| DataReductionProxyIOData* data_reduction_proxy_io_data_; |
| |
| // Used to register for pageload events. |data_use_ascriber_| is owned by IO |
| // thread globals, and is destroyed after |this|. |
| data_use_measurement::DataUseAscriber* data_use_ascriber_; |
| |
| THREAD_CHECKER(thread_checker_); |
| |
| DISALLOW_COPY_AND_ASSIGN(DataReductionProxyDataUseObserver); |
| }; |
| |
| } // namespace data_reduction_proxy |
| |
| #endif // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_DATA_USE_OBSERVER_H_ |