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| 1 // Copyright 2017 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 CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_ADS_PAGE_LOAD_METRICS_OBSERVE
R_H_ |
| 6 #define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_ADS_PAGE_LOAD_METRICS_OBSERVE
R_H_ |
| 7 |
| 8 #include <list> |
| 9 #include <map> |
| 10 #include <memory> |
| 11 |
| 12 #include "base/macros.h" |
| 13 #include "chrome/browser/page_load_metrics/page_load_metrics_observer.h" |
| 14 #include "net/http/http_response_info.h" |
| 15 |
| 16 class AdsPageLoadMetricsObserver |
| 17 : public page_load_metrics::PageLoadMetricsObserver { |
| 18 public: |
| 19 // Returns a new AdsPageLoadMetricObserver. If the feature is disabled it |
| 20 // returns nullptr. |
| 21 static std::unique_ptr<AdsPageLoadMetricsObserver> CreateIfNeeded(); |
| 22 |
| 23 AdsPageLoadMetricsObserver(); |
| 24 ~AdsPageLoadMetricsObserver() override; |
| 25 |
| 26 // page_load_metrics::PageLoadMetricsObserver |
| 27 ObservePolicy OnCommit(content::NavigationHandle* navigation_handle) override; |
| 28 ObservePolicy OnDidFinishSubFrameNavigation( |
| 29 content::NavigationHandle* navigation_handle) override; |
| 30 ObservePolicy FlushMetricsOnAppEnterBackground( |
| 31 const page_load_metrics::PageLoadTiming& timing, |
| 32 const page_load_metrics::PageLoadExtraInfo& extra_info) override; |
| 33 void OnLoadedResource(const page_load_metrics::ExtraRequestCompleteInfo& |
| 34 extra_request_info) override; |
| 35 void OnComplete(const page_load_metrics::PageLoadTiming& timing, |
| 36 const page_load_metrics::PageLoadExtraInfo& info) override; |
| 37 |
| 38 private: |
| 39 using FrameTreeNodeId = int; |
| 40 |
| 41 struct AdFrameData { |
| 42 explicit AdFrameData(FrameTreeNodeId frame_tree_node_id); |
| 43 size_t frame_bytes; |
| 44 size_t frame_bytes_uncached; |
| 45 const FrameTreeNodeId frame_tree_node_id; |
| 46 }; |
| 47 |
| 48 void ProcessLoadedResource( |
| 49 const page_load_metrics::ExtraRequestCompleteInfo& extra_request_info); |
| 50 void RecordHistograms(); |
| 51 |
| 52 // Checks to see if a resource is waiting for a navigation with the given |
| 53 // |frame_tree_node_id| to commit before it can be processed. If so, call |
| 54 // OnLoadedResource for the delayed resource. |
| 55 void ProcessOngoingNavigationResource(FrameTreeNodeId frame_tree_node_id); |
| 56 |
| 57 // Stores the size data of each ad frame. Pointed to by ad_frames_ so use a |
| 58 // data structure that won't move the data around. |
| 59 std::list<AdFrameData> ad_frames_data_storage_; |
| 60 |
| 61 // Maps a frame (by id) to the AdFrameData responsible for the frame. |
| 62 // Multiple frame ids can point to the same AdFrameData. The responsible |
| 63 // frame is the top-most frame labeled as an ad in the frame's ancestry, |
| 64 // which may be itself. If no responsible frame is found, the data is |
| 65 // nullptr. |
| 66 std::map<FrameTreeNodeId, AdFrameData*> ad_frames_data_; |
| 67 |
| 68 // When the observer receives report of a document resource loading for a |
| 69 // sub-frame before the sub-frame commit occurs, hold onto the resource |
| 70 // request info (delay it) until the sub-frame commits. |
| 71 std::map<FrameTreeNodeId, page_load_metrics::ExtraRequestCompleteInfo> |
| 72 ongoing_navigation_resources_; |
| 73 |
| 74 size_t page_bytes_ = 0u; |
| 75 size_t uncached_page_bytes_ = 0u; |
| 76 int top_level_subframe_count_ = 0; |
| 77 int top_level_ad_frame_count_ = 0; |
| 78 |
| 79 DISALLOW_COPY_AND_ASSIGN(AdsPageLoadMetricsObserver); |
| 80 }; |
| 81 |
| 82 #endif // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_ADS_PAGE_LOAD_METRICS_OBSE
RVER_H_ |
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