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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 <memory> | |
10 #include <unordered_map> | |
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( | |
34 const page_load_metrics::ExtraRequestInfo& 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 FrameTreeNodeId frame_tree_node_id; | |
Bryan McQuade
2017/04/25 16:36:44
can we make this member const, given that it is se
jkarlin
2017/04/25 16:42:51
Done.
| |
46 }; | |
47 | |
48 void ProcessLoadedResource( | |
49 const page_load_metrics::ExtraRequestInfo& 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::unordered_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::unordered_map<FrameTreeNodeId, page_load_metrics::ExtraRequestInfo> | |
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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