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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_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 | 7 |
8 #include <map> | 8 #include <map> |
| 9 #include <memory> |
9 #include <set> | 10 #include <set> |
10 | 11 |
11 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
12 #include "base/macros.h" | 13 #include "base/macros.h" |
13 #include "base/threading/non_thread_safe.h" | 14 #include "base/threading/non_thread_safe.h" |
14 #include "content/public/browser/notification_observer.h" | 15 #include "content/public/browser/notification_observer.h" |
15 #include "content/public/browser/notification_registrar.h" | 16 #include "content/public/browser/notification_registrar.h" |
16 | 17 |
17 namespace content { | 18 namespace content { |
18 class RenderProcessHost; | 19 class RenderProcessHost; |
19 class WebContents; | 20 class WebContents; |
20 } | 21 } |
21 | 22 |
22 namespace printing { | 23 namespace printing { |
23 | 24 |
24 // Manages hidden WebContents that prints documents in the background. | 25 // Manages hidden WebContents that prints documents in the background. |
25 // The hidden WebContents are no longer part of any Browser / TabStripModel. | 26 // The hidden WebContents are no longer part of any Browser / TabStripModel. |
26 // The WebContents started life as a ConstrainedWebDialog. | 27 // The WebContents started life as a ConstrainedWebDialog. |
27 // They get deleted when the printing finishes. | 28 // They get deleted when the printing finishes. |
28 class BackgroundPrintingManager : public base::NonThreadSafe, | 29 class BackgroundPrintingManager : public base::NonThreadSafe, |
29 public content::NotificationObserver { | 30 public content::NotificationObserver { |
30 public: | 31 public: |
31 class Observer; | 32 class Observer; |
32 typedef std::map<content::WebContents*, Observer*> WebContentsObserverMap; | |
33 | 33 |
34 BackgroundPrintingManager(); | 34 BackgroundPrintingManager(); |
35 ~BackgroundPrintingManager() override; | 35 ~BackgroundPrintingManager() override; |
36 | 36 |
37 // Takes ownership of |preview_dialog| and deletes it when |preview_dialog| | 37 // Takes ownership of |preview_dialog| and deletes it when |preview_dialog| |
38 // finishes printing. This removes |preview_dialog| from its ConstrainedDialog | 38 // finishes printing. This removes |preview_dialog| from its ConstrainedDialog |
39 // and hides it from the user. | 39 // and hides it from the user. |
40 void OwnPrintPreviewDialog(content::WebContents* preview_dialog); | 40 void OwnPrintPreviewDialog(content::WebContents* preview_dialog); |
41 | 41 |
42 // Returns true if |printing_contents_map_| contains |preview_dialog|. | 42 // Returns true if |printing_contents_map_| contains |preview_dialog|. |
43 bool HasPrintPreviewDialog(content::WebContents* preview_dialog); | 43 bool HasPrintPreviewDialog(content::WebContents* preview_dialog); |
44 | 44 |
45 // Let others see the list of background printing contents. | 45 // Let others see the list of background printing contents. |
46 std::set<content::WebContents*> CurrentContentSet(); | 46 std::set<content::WebContents*> CurrentContentSet(); |
47 | 47 |
48 private: | 48 private: |
49 // content::NotificationObserver overrides: | 49 // content::NotificationObserver overrides: |
50 void Observe(int type, | 50 void Observe(int type, |
51 const content::NotificationSource& source, | 51 const content::NotificationSource& source, |
52 const content::NotificationDetails& details) override; | 52 const content::NotificationDetails& details) override; |
53 | 53 |
54 // Schedule deletion of |preview_contents|. | 54 // Schedule deletion of |preview_contents|. |
55 void DeletePreviewContents(content::WebContents* preview_contents); | 55 void DeletePreviewContents(content::WebContents* preview_contents); |
56 | 56 |
57 // A map from print preview WebContentses (managed by | 57 // A map from print preview WebContentses (managed by |
58 // BackgroundPrintingManager) to the Observers that observe them. | 58 // BackgroundPrintingManager) to the Observers that observe them. |
59 WebContentsObserverMap printing_contents_map_; | 59 std::map<content::WebContents*, std::unique_ptr<Observer>> |
| 60 printing_contents_map_; |
60 | 61 |
61 content::NotificationRegistrar registrar_; | 62 content::NotificationRegistrar registrar_; |
62 | 63 |
63 DISALLOW_COPY_AND_ASSIGN(BackgroundPrintingManager); | 64 DISALLOW_COPY_AND_ASSIGN(BackgroundPrintingManager); |
64 }; | 65 }; |
65 | 66 |
66 } // namespace printing | 67 } // namespace printing |
67 | 68 |
68 #endif // CHROME_BROWSER_PRINTING_BACKGROUND_PRINTING_MANAGER_H_ | 69 #endif // CHROME_BROWSER_PRINTING_BACKGROUND_PRINTING_MANAGER_H_ |
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