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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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| 71 | 71 |
| 72 // Returns true if |browser_| has any tabs that have BeforeUnload handlers | 72 // Returns true if |browser_| has any tabs that have BeforeUnload handlers |
| 73 // that have not been fired. This method is non-const because it builds a list | 73 // that have not been fired. This method is non-const because it builds a list |
| 74 // of tabs that need their BeforeUnloadHandlers fired. | 74 // of tabs that need their BeforeUnloadHandlers fired. |
| 75 // TODO(beng): This seems like it could be private but it is used by | 75 // TODO(beng): This seems like it could be private but it is used by |
| 76 // AreAllBrowsersCloseable() in application_lifetime.cc. It seems | 76 // AreAllBrowsersCloseable() in application_lifetime.cc. It seems |
| 77 // very similar to ShouldCloseWindow() and some consolidation | 77 // very similar to ShouldCloseWindow() and some consolidation |
| 78 // could be pursued. | 78 // could be pursued. |
| 79 bool TabsNeedBeforeUnloadFired(); | 79 bool TabsNeedBeforeUnloadFired(); |
| 80 | 80 |
| 81 // Clears all the state associated with processing tabs' beforeunload/unload |
| 82 // events since the user cancelled closing the window. |
| 83 void CancelWindowClose(); |
| 84 |
| 81 private: | 85 private: |
| 82 typedef std::set<content::WebContents*> UnloadListenerSet; | 86 typedef std::set<content::WebContents*> UnloadListenerSet; |
| 83 | 87 |
| 84 // Overridden from content::NotificationObserver: | 88 // Overridden from content::NotificationObserver: |
| 85 virtual void Observe(int type, | 89 virtual void Observe(int type, |
| 86 const content::NotificationSource& source, | 90 const content::NotificationSource& source, |
| 87 const content::NotificationDetails& details) OVERRIDE; | 91 const content::NotificationDetails& details) OVERRIDE; |
| 88 | 92 |
| 89 // Overridden from TabStripModelObserver: | 93 // Overridden from TabStripModelObserver: |
| 90 virtual void TabInsertedAt(content::WebContents* contents, | 94 virtual void TabInsertedAt(content::WebContents* contents, |
| 91 int index, | 95 int index, |
| 92 bool foreground) OVERRIDE; | 96 bool foreground) OVERRIDE; |
| 93 virtual void TabDetachedAt(content::WebContents* contents, | 97 virtual void TabDetachedAt(content::WebContents* contents, |
| 94 int index) OVERRIDE; | 98 int index) OVERRIDE; |
| 95 virtual void TabReplacedAt(TabStripModel* tab_strip_model, | 99 virtual void TabReplacedAt(TabStripModel* tab_strip_model, |
| 96 content::WebContents* old_contents, | 100 content::WebContents* old_contents, |
| 97 content::WebContents* new_contents, | 101 content::WebContents* new_contents, |
| 98 int index) OVERRIDE; | 102 int index) OVERRIDE; |
| 99 virtual void TabStripEmpty() OVERRIDE; | 103 virtual void TabStripEmpty() OVERRIDE; |
| 100 | 104 |
| 101 void TabAttachedImpl(content::WebContents* contents); | 105 void TabAttachedImpl(content::WebContents* contents); |
| 102 void TabDetachedImpl(content::WebContents* contents); | 106 void TabDetachedImpl(content::WebContents* contents); |
| 103 | 107 |
| 104 // Processes the next tab that needs it's beforeunload/unload event fired. | 108 // Processes the next tab that needs it's beforeunload/unload event fired. |
| 105 void ProcessPendingTabs(); | 109 void ProcessPendingTabs(); |
| 106 | 110 |
| 107 // Whether we've completed firing all the tabs' beforeunload/unload events. | 111 // Whether we've completed firing all the tabs' beforeunload/unload events. |
| 108 bool HasCompletedUnloadProcessing() const; | 112 bool HasCompletedUnloadProcessing() const; |
| 109 | 113 |
| 110 // Clears all the state associated with processing tabs' beforeunload/unload | |
| 111 // events since the user cancelled closing the window. | |
| 112 void CancelWindowClose(); | |
| 113 | |
| 114 // Removes |web_contents| from the passed |set|. | 114 // Removes |web_contents| from the passed |set|. |
| 115 // Returns whether the tab was in the set in the first place. | 115 // Returns whether the tab was in the set in the first place. |
| 116 bool RemoveFromSet(UnloadListenerSet* set, | 116 bool RemoveFromSet(UnloadListenerSet* set, |
| 117 content::WebContents* web_contents); | 117 content::WebContents* web_contents); |
| 118 | 118 |
| 119 // Cleans up state appropriately when we are trying to close the browser and | 119 // Cleans up state appropriately when we are trying to close the browser and |
| 120 // the tab has finished firing its unload handler. We also use this in the | 120 // the tab has finished firing its unload handler. We also use this in the |
| 121 // cases where a tab crashes or hangs even if the beforeunload/unload haven't | 121 // cases where a tab crashes or hangs even if the beforeunload/unload haven't |
| 122 // successfully fired. If |process_now| is true |ProcessPendingTabs| is | 122 // successfully fired. If |process_now| is true |ProcessPendingTabs| is |
| 123 // invoked immediately, otherwise it is invoked after a delay (PostTask). | 123 // invoked immediately, otherwise it is invoked after a delay (PostTask). |
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| 155 base::Callback<void(bool)> on_close_confirmed_; | 155 base::Callback<void(bool)> on_close_confirmed_; |
| 156 | 156 |
| 157 base::WeakPtrFactory<UnloadController> weak_factory_; | 157 base::WeakPtrFactory<UnloadController> weak_factory_; |
| 158 | 158 |
| 159 DISALLOW_COPY_AND_ASSIGN(UnloadController); | 159 DISALLOW_COPY_AND_ASSIGN(UnloadController); |
| 160 }; | 160 }; |
| 161 | 161 |
| 162 } // namespace chrome | 162 } // namespace chrome |
| 163 | 163 |
| 164 #endif // CHROME_BROWSER_UI_UNLOAD_CONTROLLER_H_ | 164 #endif // CHROME_BROWSER_UI_UNLOAD_CONTROLLER_H_ |
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