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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_BROWSER_PRERENDER_PRERENDER_HANDLE_H_ | 5 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_HANDLE_H_ |
6 #define CHROME_BROWSER_PRERENDER_PRERENDER_HANDLE_H_ | 6 #define CHROME_BROWSER_PRERENDER_PRERENDER_HANDLE_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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31 | 31 |
32 // Signals that the prerender has had its load event. | 32 // Signals that the prerender has had its load event. |
33 virtual void OnPrerenderStopLoading(PrerenderHandle* handle) = 0; | 33 virtual void OnPrerenderStopLoading(PrerenderHandle* handle) = 0; |
34 | 34 |
35 // Signals that the prerender has had its 'DOMContentLoaded' event. | 35 // Signals that the prerender has had its 'DOMContentLoaded' event. |
36 virtual void OnPrerenderDomContentLoaded(PrerenderHandle* handle) = 0; | 36 virtual void OnPrerenderDomContentLoaded(PrerenderHandle* handle) = 0; |
37 | 37 |
38 // Signals that the prerender has stopped running. | 38 // Signals that the prerender has stopped running. |
39 virtual void OnPrerenderStop(PrerenderHandle* handle) = 0; | 39 virtual void OnPrerenderStop(PrerenderHandle* handle) = 0; |
40 | 40 |
| 41 // Signals that a resource finished loading and altered the running byte |
| 42 // count. |
| 43 virtual void OnNetworkBytesChanged(PrerenderHandle* handle) = 0; |
| 44 |
41 protected: | 45 protected: |
42 Observer(); | 46 Observer(); |
43 virtual ~Observer(); | 47 virtual ~Observer(); |
44 }; | 48 }; |
45 | 49 |
46 // Before calling the destructor, the caller must invalidate the handle by | 50 // Before calling the destructor, the caller must invalidate the handle by |
47 // calling either OnNavigateAway or OnCancel. | 51 // calling either OnNavigateAway or OnCancel. |
48 ~PrerenderHandle() override; | 52 ~PrerenderHandle() override; |
49 | 53 |
50 void SetObserver(Observer* observer); | 54 void SetObserver(Observer* observer); |
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79 friend class PrerenderManager; | 83 friend class PrerenderManager; |
80 | 84 |
81 explicit PrerenderHandle(PrerenderManager::PrerenderData* prerender_data); | 85 explicit PrerenderHandle(PrerenderManager::PrerenderData* prerender_data); |
82 | 86 |
83 // From PrerenderContents::Observer: | 87 // From PrerenderContents::Observer: |
84 void OnPrerenderStart(PrerenderContents* prerender_contents) override; | 88 void OnPrerenderStart(PrerenderContents* prerender_contents) override; |
85 void OnPrerenderStopLoading(PrerenderContents* prerender_contents) override; | 89 void OnPrerenderStopLoading(PrerenderContents* prerender_contents) override; |
86 void OnPrerenderDomContentLoaded( | 90 void OnPrerenderDomContentLoaded( |
87 PrerenderContents* prerender_contents) override; | 91 PrerenderContents* prerender_contents) override; |
88 void OnPrerenderStop(PrerenderContents* prerender_contents) override; | 92 void OnPrerenderStop(PrerenderContents* prerender_contents) override; |
| 93 void OnNetworkBytesChanged(PrerenderContents* prerender_contents) override; |
89 | 94 |
90 Observer* observer_; | 95 Observer* observer_; |
91 | 96 |
92 base::WeakPtr<PrerenderManager::PrerenderData> prerender_data_; | 97 base::WeakPtr<PrerenderManager::PrerenderData> prerender_data_; |
93 base::WeakPtrFactory<PrerenderHandle> weak_ptr_factory_; | 98 base::WeakPtrFactory<PrerenderHandle> weak_ptr_factory_; |
94 | 99 |
95 DISALLOW_COPY_AND_ASSIGN(PrerenderHandle); | 100 DISALLOW_COPY_AND_ASSIGN(PrerenderHandle); |
96 }; | 101 }; |
97 | 102 |
98 } // namespace prerender | 103 } // namespace prerender |
99 | 104 |
100 #endif // CHROME_BROWSER_PRERENDER_PRERENDER_HANDLE_H_ | 105 #endif // CHROME_BROWSER_PRERENDER_PRERENDER_HANDLE_H_ |
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