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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_UI_UNLOAD_DETACHED_HANDLER_H_ | |
6 #define CHROME_BROWSER_UI_UNLOAD_DETACHED_HANDLER_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/callback.h" | |
10 #include "base/memory/scoped_vector.h" | |
11 | |
12 class TabStripModel; | |
13 | |
14 namespace content { | |
15 class WebContents; | |
16 } | |
17 | |
18 namespace chrome { | |
19 | |
20 class UnloadController; | |
21 | |
22 typedef base::Callback<void(void)> TabsClosedCallback; | |
23 | |
24 // UnloadDetachedHandler is used to close tabs quickly, http://crbug.com/142458. | |
25 // - Allows unload handlers to run in the background. | |
26 // - Comes into play after the beforeunload handlers (if any) have run. | |
27 // - Does not close the tabs; it holds tabs while they are closed. | |
28 // | |
29 // TODO(slamm): Support closes that destroy the browser: last tab close, window. | |
30 // http://crbug.com/156896 | |
31 // TODO(slamm): Hide unload time from the user for cross-process navigations. | |
32 // http://crbug.com/156958 | |
33 class UnloadDetachedHandler { | |
34 public: | |
35 explicit UnloadDetachedHandler(const TabsClosedCallback& callback); | |
36 ~UnloadDetachedHandler(); | |
37 | |
38 // Returns true if is succeeds. | |
39 bool DetachWebContents(TabStripModel* tab_strip_model, | |
40 content::WebContents* web_contents); | |
41 bool HasTabs(); | |
Ben Goodger (Google)
2012/10/29 22:12:43
this kind of method can be const.
slamm
2012/10/31 18:03:59
Done.
| |
42 | |
43 private: | |
44 class WebContentsDelegateImpl; | |
45 | |
46 // Clean-up when the tab finishes closing. | |
47 void Destroy(WebContentsDelegateImpl* delegate); | |
48 | |
49 const TabsClosedCallback tabs_closed_callback_; | |
50 | |
51 ScopedVector<WebContentsDelegateImpl> delegates_; | |
52 | |
53 DISALLOW_IMPLICIT_CONSTRUCTORS(UnloadDetachedHandler); | |
54 }; | |
55 | |
56 } // namespace chrome | |
57 | |
58 #endif // CHROME_BROWSER_UI_UNLOAD_DETACHED_HANDLER_H_ | |
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