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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_INSTANT_INSTANT_UNLOAD_HANDLER_H_ | 5 #ifndef CHROME_BROWSER_INSTANT_INSTANT_UNLOAD_HANDLER_H_ |
6 #define CHROME_BROWSER_INSTANT_INSTANT_UNLOAD_HANDLER_H_ | 6 #define CHROME_BROWSER_INSTANT_INSTANT_UNLOAD_HANDLER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_vector.h" | 9 #include "base/memory/scoped_vector.h" |
10 | 10 |
11 class Browser; | 11 class Browser; |
12 class TabContents; | 12 class TabContents; |
13 | 13 |
14 // InstantUnloadHandler ensures that the beforeunload and unload handlers are | 14 // InstantUnloadHandler ensures that the beforeunload and unload handlers are |
15 // run when using Instant. When the user commits the Instant preview the | 15 // run when using Instant. When the user commits the Instant preview the |
16 // existing TabContents is passed to |RunUnloadListenersOrDestroy|. If the tab | 16 // existing TabContents is passed to RunUnloadListenersOrDestroy(). If the tab |
17 // has no beforeunload or unload listeners, the tab is deleted; otherwise the | 17 // has no beforeunload or unload listeners, the tab is deleted; otherwise the |
18 // beforeunload and unload listeners are executed. If the beforeunload listener | 18 // beforeunload and unload listeners are executed. If the beforeunload listener |
19 // shows a dialog the tab is added back to the tabstrip at its original location | 19 // shows a dialog the tab is added back to the tabstrip at its original location |
20 // next to the Instant page. | 20 // next to the Instant page. |
21 class InstantUnloadHandler { | 21 class InstantUnloadHandler { |
22 public: | 22 public: |
23 explicit InstantUnloadHandler(Browser* browser); | 23 explicit InstantUnloadHandler(Browser* browser); |
24 ~InstantUnloadHandler(); | 24 ~InstantUnloadHandler(); |
25 | 25 |
26 // See class description for details on what this does. | 26 // See class description for details on what this does. |
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39 // TODO(sky): Browser really needs to wait to close until there are no more | 39 // TODO(sky): Browser really needs to wait to close until there are no more |
40 // tabs managed by InstantUnloadHandler. | 40 // tabs managed by InstantUnloadHandler. |
41 Browser* const browser_; | 41 Browser* const browser_; |
42 | 42 |
43 ScopedVector<WebContentsDelegateImpl> delegates_; | 43 ScopedVector<WebContentsDelegateImpl> delegates_; |
44 | 44 |
45 DISALLOW_COPY_AND_ASSIGN(InstantUnloadHandler); | 45 DISALLOW_COPY_AND_ASSIGN(InstantUnloadHandler); |
46 }; | 46 }; |
47 | 47 |
48 #endif // CHROME_BROWSER_INSTANT_INSTANT_UNLOAD_HANDLER_H_ | 48 #endif // CHROME_BROWSER_INSTANT_INSTANT_UNLOAD_HANDLER_H_ |
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