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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_RENDERER_PAGE_LOAD_METRICS_METRICS_RENDER_FRAME_OBSERVER_H_ | 5 #ifndef CHROME_RENDERER_PAGE_LOAD_METRICS_METRICS_RENDER_FRAME_OBSERVER_H_ |
6 #define CHROME_RENDERER_PAGE_LOAD_METRICS_METRICS_RENDER_FRAME_OBSERVER_H_ | 6 #define CHROME_RENDERER_PAGE_LOAD_METRICS_METRICS_RENDER_FRAME_OBSERVER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "chrome/common/page_load_metrics/page_load_timing.h" | 11 #include "chrome/common/page_load_metrics/page_load_timing.h" |
12 #include "content/public/renderer/render_frame_observer.h" | 12 #include "content/public/renderer/render_frame_observer.h" |
13 #include "third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h" | 13 #include "third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h" |
14 | 14 |
15 namespace base { | 15 namespace base { |
16 class Timer; | 16 class Timer; |
17 } // namespace base | 17 } // namespace base |
18 | 18 |
19 namespace page_load_metrics { | 19 namespace page_load_metrics { |
20 | 20 |
21 class PageTimingMetricsSender; | 21 class PageTimingMetricsSender; |
22 class PageTimingSender; | |
23 | 22 |
24 // MetricsRenderFrameObserver observes RenderFrame notifications, and sends page | 23 // MetricsRenderFrameObserver observes RenderFrame notifications, and sends page |
25 // load timing information to the browser process over IPC. A | 24 // load timing information to the browser process over IPC. A |
26 // MetricsRenderFrameObserver is instantiated for each frame (main frames and | 25 // MetricsRenderFrameObserver is instantiated for each frame (main frames and |
27 // child frames). MetricsRenderFrameObserver dispatches timing and metadata | 26 // child frames). MetricsRenderFrameObserver dispatches timing and metadata |
28 // updates for main frames, but only metadata updates for child frames. | 27 // updates for main frames, but only metadata updates for child frames. |
29 class MetricsRenderFrameObserver : public content::RenderFrameObserver { | 28 class MetricsRenderFrameObserver : public content::RenderFrameObserver { |
30 public: | 29 public: |
31 explicit MetricsRenderFrameObserver(content::RenderFrame* render_frame); | 30 explicit MetricsRenderFrameObserver(content::RenderFrame* render_frame); |
32 ~MetricsRenderFrameObserver() override; | 31 ~MetricsRenderFrameObserver() override; |
33 | 32 |
34 // RenderFrameObserver implementation | 33 // RenderFrameObserver implementation |
35 void DidChangePerformanceTiming() override; | 34 void DidChangePerformanceTiming() override; |
36 void DidObserveLoadingBehavior( | 35 void DidObserveLoadingBehavior( |
37 blink::WebLoadingBehaviorFlag behavior) override; | 36 blink::WebLoadingBehaviorFlag behavior) override; |
38 void DidCommitProvisionalLoad(bool is_new_navigation, | 37 void DidCommitProvisionalLoad(bool is_new_navigation, |
39 bool is_same_document_navigation) override; | 38 bool is_same_document_navigation) override; |
40 void OnDestruct() override; | 39 void OnDestruct() override; |
41 | 40 |
42 // Invoked when a frame is going away. This is our last chance to send IPCs | 41 // Invoked when a frame is going away. This is our last chance to send IPCs |
43 // before being destroyed. | 42 // before being destroyed. |
44 void FrameDetached() override; | 43 void FrameDetached() override; |
45 | 44 |
46 private: | 45 private: |
| 46 // Will be null when we're not actively sending metrics. |
| 47 std::unique_ptr<PageTimingMetricsSender> page_timing_metrics_sender_; |
| 48 |
47 void SendMetrics(); | 49 void SendMetrics(); |
48 virtual bool ShouldSendMetrics() const; | 50 virtual bool ShouldSendMetrics() const; |
49 virtual mojom::PageLoadTimingPtr GetTiming() const; | 51 virtual mojom::PageLoadTimingPtr GetTiming() const; |
50 virtual std::unique_ptr<base::Timer> CreateTimer() const; | 52 virtual std::unique_ptr<base::Timer> CreateTimer() const; |
51 virtual std::unique_ptr<PageTimingSender> CreatePageTimingSender(); | |
52 virtual bool HasNoRenderFrame() const; | 53 virtual bool HasNoRenderFrame() const; |
53 | 54 |
54 // Will be null when we're not actively sending metrics. | |
55 std::unique_ptr<PageTimingMetricsSender> page_timing_metrics_sender_; | |
56 | |
57 DISALLOW_COPY_AND_ASSIGN(MetricsRenderFrameObserver); | 55 DISALLOW_COPY_AND_ASSIGN(MetricsRenderFrameObserver); |
58 }; | 56 }; |
59 | 57 |
60 } // namespace page_load_metrics | 58 } // namespace page_load_metrics |
61 | 59 |
62 #endif // CHROME_RENDERER_PAGE_LOAD_METRICS_METRICS_RENDER_FRAME_OBSERVER_H_ | 60 #endif // CHROME_RENDERER_PAGE_LOAD_METRICS_METRICS_RENDER_FRAME_OBSERVER_H_ |
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