| // Copyright 2014 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_NET_RESOURCE_PREFETCH_PREDICTOR_OBSERVER_H_ |
| #define CHROME_BROWSER_NET_RESOURCE_PREFETCH_PREDICTOR_OBSERVER_H_ |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "chrome/browser/predictors/resource_prefetch_predictor.h" |
| #include "content/public/common/resource_type.h" |
| |
| namespace net { |
| class URLRequest; |
| } |
| |
| class GURL; |
| |
| namespace chrome_browser_net { |
| |
| // Observes resource requests in the ResourceDispatcherHostDelegate and notifies |
| // the ResourcePrefetchPredictor about the ones it is interested in. |
| // - Has an instance per profile, and is owned by the corresponding |
| // ProfileIOData. |
| // - Needs to be constructed on UI thread. Rest of the functions can only be |
| // called on the IO thread. Can be destroyed on UI or IO thread. |
| class ResourcePrefetchPredictorObserver { |
| public: |
| explicit ResourcePrefetchPredictorObserver( |
| predictors::ResourcePrefetchPredictor* predictor); |
| ~ResourcePrefetchPredictorObserver(); |
| |
| // Parts of the ResourceDispatcherHostDelegate that we want to observe. |
| void OnRequestStarted(net::URLRequest* request, |
| content::ResourceType resource_type, |
| int child_id, |
| int frame_id); |
| void OnRequestRedirected(const GURL& redirect_url, net::URLRequest* request); |
| void OnResponseStarted(net::URLRequest* request); |
| |
| private: |
| // Owned by profile. |
| base::WeakPtr<predictors::ResourcePrefetchPredictor> predictor_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ResourcePrefetchPredictorObserver); |
| }; |
| |
| } // namespace chrome_browser_net |
| |
| #endif // CHROME_BROWSER_NET_RESOURCE_PREFETCH_PREDICTOR_OBSERVER_H_ |