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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_PRINTING_BACKGROUND_PRINTING_MANAGER_H_ | 5 #ifndef CHROME_BROWSER_PRINTING_BACKGROUND_PRINTING_MANAGER_H_ |
6 #define CHROME_BROWSER_PRINTING_BACKGROUND_PRINTING_MANAGER_H_ | 6 #define CHROME_BROWSER_PRINTING_BACKGROUND_PRINTING_MANAGER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <map> | 9 #include <map> |
10 #include <set> | 10 #include <set> |
11 | 11 |
12 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
13 #include "base/threading/non_thread_safe.h" | 13 #include "base/threading/non_thread_safe.h" |
14 #include "content/public/browser/notification_observer.h" | 14 #include "content/public/browser/notification_observer.h" |
15 #include "content/public/browser/notification_registrar.h" | 15 #include "content/public/browser/notification_registrar.h" |
16 | 16 |
| 17 class TabContentsWrapper; |
| 18 |
| 19 namespace content { |
17 class RenderProcessHost; | 20 class RenderProcessHost; |
18 class TabContentsWrapper; | 21 } |
19 | 22 |
20 namespace printing { | 23 namespace printing { |
21 | 24 |
22 // Manages hidden tabs that prints documents in the background. | 25 // Manages hidden tabs that prints documents in the background. |
23 // The hidden tabs are no longer part of any Browser / TabStripModel. | 26 // The hidden tabs are no longer part of any Browser / TabStripModel. |
24 // They get deleted when the tab finishes printing. | 27 // They get deleted when the tab finishes printing. |
25 class BackgroundPrintingManager : public base::NonThreadSafe, | 28 class BackgroundPrintingManager : public base::NonThreadSafe, |
26 public content::NotificationObserver { | 29 public content::NotificationObserver { |
27 public: | 30 public: |
28 typedef std::set<TabContentsWrapper*> TabContentsWrapperSet; | 31 typedef std::set<TabContentsWrapper*> TabContentsWrapperSet; |
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42 // Returns true if |printing_tabs_| contains |preview_tab|. | 45 // Returns true if |printing_tabs_| contains |preview_tab|. |
43 bool HasPrintPreviewTab(TabContentsWrapper* preview_tab); | 46 bool HasPrintPreviewTab(TabContentsWrapper* preview_tab); |
44 | 47 |
45 // content::NotificationObserver overrides: | 48 // content::NotificationObserver overrides: |
46 virtual void Observe(int type, | 49 virtual void Observe(int type, |
47 const content::NotificationSource& source, | 50 const content::NotificationSource& source, |
48 const content::NotificationDetails& details) OVERRIDE; | 51 const content::NotificationDetails& details) OVERRIDE; |
49 | 52 |
50 private: | 53 private: |
51 // Notifications handlers. | 54 // Notifications handlers. |
52 void OnRendererProcessClosed(RenderProcessHost* rph); | 55 void OnRendererProcessClosed(content::RenderProcessHost* rph); |
53 void OnPrintJobReleased(TabContentsWrapper* preview_tab); | 56 void OnPrintJobReleased(TabContentsWrapper* preview_tab); |
54 void OnTabContentsDestroyed(TabContentsWrapper* preview_tab); | 57 void OnTabContentsDestroyed(TabContentsWrapper* preview_tab); |
55 | 58 |
56 // Add |tab| to the pending deletion set and schedule deletion. | 59 // Add |tab| to the pending deletion set and schedule deletion. |
57 void DeletePreviewTab(TabContentsWrapper* tab); | 60 void DeletePreviewTab(TabContentsWrapper* tab); |
58 | 61 |
59 // Check if any of the TabContentsWrappers in |set| share a RenderProcessHost | 62 // Check if any of the TabContentsWrappers in |set| share a RenderProcessHost |
60 // with |tab|, excluding |tab|. | 63 // with |tab|, excluding |tab|. |
61 bool HasSharedRenderProcessHost(const TabContentsWrapperSet& set, | 64 bool HasSharedRenderProcessHost(const TabContentsWrapperSet& set, |
62 TabContentsWrapper* tab); | 65 TabContentsWrapper* tab); |
63 | 66 |
64 // The set of print preview tabs managed by BackgroundPrintingManager. | 67 // The set of print preview tabs managed by BackgroundPrintingManager. |
65 TabContentsWrapperSet printing_tabs_; | 68 TabContentsWrapperSet printing_tabs_; |
66 | 69 |
67 // The set of print preview tabs managed by BackgroundPrintingManager that | 70 // The set of print preview tabs managed by BackgroundPrintingManager that |
68 // are pending deletion. | 71 // are pending deletion. |
69 TabContentsWrapperSet printing_tabs_pending_deletion_; | 72 TabContentsWrapperSet printing_tabs_pending_deletion_; |
70 | 73 |
71 content::NotificationRegistrar registrar_; | 74 content::NotificationRegistrar registrar_; |
72 | 75 |
73 DISALLOW_COPY_AND_ASSIGN(BackgroundPrintingManager); | 76 DISALLOW_COPY_AND_ASSIGN(BackgroundPrintingManager); |
74 }; | 77 }; |
75 | 78 |
76 } // namespace printing | 79 } // namespace printing |
77 | 80 |
78 #endif // CHROME_BROWSER_PRINTING_BACKGROUND_PRINTING_MANAGER_H_ | 81 #endif // CHROME_BROWSER_PRINTING_BACKGROUND_PRINTING_MANAGER_H_ |
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