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1 // Copyright 2015 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 COMPONENTS_PAGE_LOAD_METRICS_RENDERER_PAGE_LOAD_METRICS_RENDER_FRAME_OBS
ERVER_H_ | |
6 #define COMPONENTS_PAGE_LOAD_METRICS_RENDERER_PAGE_LOAD_METRICS_RENDER_FRAME_OBS
ERVER_H_ | |
7 | |
8 #include <memory> | |
9 | |
10 #include "base/macros.h" | |
11 #include "components/page_load_metrics/common/page_load_timing.h" | |
12 #include "content/public/renderer/render_frame_observer.h" | |
13 #include "third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h" | |
14 | |
15 namespace base { | |
16 class Timer; | |
17 } // namespace base | |
18 | |
19 namespace page_load_metrics { | |
20 | |
21 class PageTimingMetricsSender; | |
22 | |
23 // MetricsRenderFrameObserver observes RenderFrame notifications, and | |
24 // sends page load timing information to the browser process over IPC. | |
25 class MetricsRenderFrameObserver : public content::RenderFrameObserver { | |
26 public: | |
27 explicit MetricsRenderFrameObserver(content::RenderFrame* render_frame); | |
28 ~MetricsRenderFrameObserver() override; | |
29 | |
30 // RenderFrameObserver implementation | |
31 void DidChangePerformanceTiming() override; | |
32 void DidObserveLoadingBehavior( | |
33 blink::WebLoadingBehaviorFlag behavior) override; | |
34 void DidCommitProvisionalLoad(bool is_new_navigation, | |
35 bool is_same_page_navigation) override; | |
36 void OnDestruct() override; | |
37 | |
38 private: | |
39 // Will be null when we're not actively sending metrics. | |
40 std::unique_ptr<PageTimingMetricsSender> page_timing_metrics_sender_; | |
41 | |
42 void SendMetrics(); | |
43 virtual bool ShouldSendMetrics() const; | |
44 virtual PageLoadTiming GetTiming() const; | |
45 virtual std::unique_ptr<base::Timer> CreateTimer() const; | |
46 virtual bool HasNoRenderFrame() const; | |
47 | |
48 DISALLOW_COPY_AND_ASSIGN(MetricsRenderFrameObserver); | |
49 }; | |
50 | |
51 } // namespace page_load_metrics | |
52 | |
53 #endif // COMPONENTS_PAGE_LOAD_METRICS_RENDERER_PAGE_LOAD_METRICS_RENDER_FRAME_
OBSERVER_H_ | |
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