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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_UI_UNLOAD_CONTROLLER_H_ | 5 #ifndef CHROME_BROWSER_UI_UNLOAD_CONTROLLER_H_ |
6 #define CHROME_BROWSER_UI_UNLOAD_CONTROLLER_H_ | 6 #define CHROME_BROWSER_UI_UNLOAD_CONTROLLER_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
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21 class NotificationDetails; | 21 class NotificationDetails; |
22 class WebContents; | 22 class WebContents; |
23 } | 23 } |
24 | 24 |
25 namespace chrome { | 25 namespace chrome { |
26 | 26 |
27 class UnloadController : public content::NotificationObserver, | 27 class UnloadController : public content::NotificationObserver, |
28 public TabStripModelObserver { | 28 public TabStripModelObserver { |
29 public: | 29 public: |
30 explicit UnloadController(Browser* browser); | 30 explicit UnloadController(Browser* browser); |
31 virtual ~UnloadController(); | 31 ~UnloadController() override; |
32 | 32 |
33 // Returns true if |contents| can be cleanly closed. When |browser_| is being | 33 // Returns true if |contents| can be cleanly closed. When |browser_| is being |
34 // closed, this function will return false to indicate |contents| should not | 34 // closed, this function will return false to indicate |contents| should not |
35 // be cleanly closed, since the fast shutdown path will just kill its | 35 // be cleanly closed, since the fast shutdown path will just kill its |
36 // renderer. | 36 // renderer. |
37 bool CanCloseContents(content::WebContents* contents); | 37 bool CanCloseContents(content::WebContents* contents); |
38 | 38 |
39 // Returns true if we need to run unload events for the |contents|. | 39 // Returns true if we need to run unload events for the |contents|. |
40 static bool ShouldRunUnloadEventsHelper(content::WebContents* contents); | 40 static bool ShouldRunUnloadEventsHelper(content::WebContents* contents); |
41 | 41 |
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79 bool TabsNeedBeforeUnloadFired(); | 79 bool TabsNeedBeforeUnloadFired(); |
80 | 80 |
81 // Clears all the state associated with processing tabs' beforeunload/unload | 81 // Clears all the state associated with processing tabs' beforeunload/unload |
82 // events since the user cancelled closing the window. | 82 // events since the user cancelled closing the window. |
83 void CancelWindowClose(); | 83 void CancelWindowClose(); |
84 | 84 |
85 private: | 85 private: |
86 typedef std::set<content::WebContents*> UnloadListenerSet; | 86 typedef std::set<content::WebContents*> UnloadListenerSet; |
87 | 87 |
88 // Overridden from content::NotificationObserver: | 88 // Overridden from content::NotificationObserver: |
89 virtual void Observe(int type, | 89 void Observe(int type, |
90 const content::NotificationSource& source, | 90 const content::NotificationSource& source, |
91 const content::NotificationDetails& details) override; | 91 const content::NotificationDetails& details) override; |
92 | 92 |
93 // Overridden from TabStripModelObserver: | 93 // Overridden from TabStripModelObserver: |
94 virtual void TabInsertedAt(content::WebContents* contents, | 94 void TabInsertedAt(content::WebContents* contents, |
95 int index, | 95 int index, |
96 bool foreground) override; | 96 bool foreground) override; |
97 virtual void TabDetachedAt(content::WebContents* contents, | 97 void TabDetachedAt(content::WebContents* contents, int index) override; |
98 int index) override; | 98 void TabReplacedAt(TabStripModel* tab_strip_model, |
99 virtual void TabReplacedAt(TabStripModel* tab_strip_model, | 99 content::WebContents* old_contents, |
100 content::WebContents* old_contents, | 100 content::WebContents* new_contents, |
101 content::WebContents* new_contents, | 101 int index) override; |
102 int index) override; | 102 void TabStripEmpty() override; |
103 virtual void TabStripEmpty() override; | |
104 | 103 |
105 void TabAttachedImpl(content::WebContents* contents); | 104 void TabAttachedImpl(content::WebContents* contents); |
106 void TabDetachedImpl(content::WebContents* contents); | 105 void TabDetachedImpl(content::WebContents* contents); |
107 | 106 |
108 // Processes the next tab that needs it's beforeunload/unload event fired. | 107 // Processes the next tab that needs it's beforeunload/unload event fired. |
109 void ProcessPendingTabs(); | 108 void ProcessPendingTabs(); |
110 | 109 |
111 // Whether we've completed firing all the tabs' beforeunload/unload events. | 110 // Whether we've completed firing all the tabs' beforeunload/unload events. |
112 bool HasCompletedUnloadProcessing() const; | 111 bool HasCompletedUnloadProcessing() const; |
113 | 112 |
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155 base::Callback<void(bool)> on_close_confirmed_; | 154 base::Callback<void(bool)> on_close_confirmed_; |
156 | 155 |
157 base::WeakPtrFactory<UnloadController> weak_factory_; | 156 base::WeakPtrFactory<UnloadController> weak_factory_; |
158 | 157 |
159 DISALLOW_COPY_AND_ASSIGN(UnloadController); | 158 DISALLOW_COPY_AND_ASSIGN(UnloadController); |
160 }; | 159 }; |
161 | 160 |
162 } // namespace chrome | 161 } // namespace chrome |
163 | 162 |
164 #endif // CHROME_BROWSER_UI_UNLOAD_CONTROLLER_H_ | 163 #endif // CHROME_BROWSER_UI_UNLOAD_CONTROLLER_H_ |
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