Index: chrome/browser/page_load_metrics/observers/ads_page_load_metrics_observer.h |
diff --git a/chrome/browser/page_load_metrics/observers/ads_page_load_metrics_observer.h b/chrome/browser/page_load_metrics/observers/ads_page_load_metrics_observer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bfd13f67c78470f2cf88c7f14d9b2c7e5c71624d |
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+++ b/chrome/browser/page_load_metrics/observers/ads_page_load_metrics_observer.h |
@@ -0,0 +1,73 @@ |
+// 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 CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_ADS_PAGE_LOAD_METRICS_OBSERVER_H_ |
+#define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_ADS_PAGE_LOAD_METRICS_OBSERVER_H_ |
+ |
+#include <list> |
+#include <unordered_map> |
+ |
+#include "base/macros.h" |
+#include "chrome/browser/page_load_metrics/page_load_metrics_observer.h" |
+#include "net/http/http_response_info.h" |
+ |
+class AdsPageLoadMetricsObserver |
+ : public page_load_metrics::PageLoadMetricsObserver { |
+ public: |
+ AdsPageLoadMetricsObserver(); |
+ ~AdsPageLoadMetricsObserver() override; |
+ |
+ // page_load_metrics::PageLoadMetricsObserver:s |
+ ObservePolicy OnCommit(content::NavigationHandle* navigation_handle) override; |
+ ObservePolicy OnCommitSubFrame( |
+ content::NavigationHandle* navigation_handle) override; |
+ ObservePolicy FlushMetricsOnAppEnterBackground( |
+ const page_load_metrics::PageLoadTiming& timing, |
+ const page_load_metrics::PageLoadExtraInfo& extra_info) override; |
+ void OnLoadedResource( |
+ const page_load_metrics::ExtraRequestInfo& extra_request_info) override; |
+ void OnComplete(const page_load_metrics::PageLoadTiming& timing, |
+ const page_load_metrics::PageLoadExtraInfo& info) override; |
+ |
+ private: |
+ struct AdFrameData { |
+ size_t frame_bytes; |
+ size_t frame_bytes_uncached; |
+ }; |
+ |
+ using FrameTreeNodeId = int; |
+ |
+ friend class AdsPageLoadMetricsObserverTest; |
+ |
+ void RecordHistograms(); |
+ AdFrameData* FindAdAncestor(content::NavigationHandle* navigation_handle); |
+ |
+ // Checks to see if a resource is waiting for |frame_tree_node_id| to commit |
+ // before it can be processed. If so, call OnLoadedResource for the delayed |
+ // resource. |
+ void ProcessDelayedResources(FrameTreeNodeId frame_tree_node_id); |
+ |
+ // Stores the size data of each ad frame. Pointed to by ad_frames_ so use a |
+ // data structure that won't move the data around. |
+ std::list<AdFrameData> ad_frames_data_storage_; |
Charlie Harrison
2017/04/11 17:30:06
It is append-only. Why not use std::vector?
jkarlin
2017/04/13 17:25:30
Because I'm taking pointers to its elements. When
|
+ |
+ // Maps a frame (by id) to the AdFraneData responsible for the frame. The |
Charlie Harrison
2017/04/11 17:30:06
s/AdFraneData/AdFrameData
jkarlin
2017/04/13 17:25:30
Done.
|
+ // responsible frame is the top-most frame labeled as an ad in the frame's |
+ // ancestry, which may be itself. If no responsible frame is found, the data |
+ // is nullptr. |
+ std::unordered_map<FrameTreeNodeId, AdFrameData*> ad_frames_data_; |
+ |
+ // When the observer receives report of a document resource loading for a |
+ // sub-frame before the sub-frame commit occurs, hold onto the resource |
+ // request info (delay it) until the sub-frame commits. |
+ std::unordered_map<FrameTreeNodeId, page_load_metrics::ExtraRequestInfo> |
+ delayed_resources_; |
+ |
+ size_t page_bytes_ = 0; |
+ size_t uncached_page_bytes_ = 0; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(AdsPageLoadMetricsObserver); |
+}; |
+ |
+#endif // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_ADS_PAGE_LOAD_METRICS_OBSERVER_H_ |