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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_RENDERER_HOST_PEPPER_FLASH_LSO_SETTINGS_HELPER_H_ | |
6 #define CHROME_BROWSER_RENDERER_HOST_PEPPER_FLASH_LSO_SETTINGS_HELPER_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/callback.h" | |
10 #include "base/memory/ref_counted.h" | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "content/public/browser/notification_observer.h" | |
13 #include "content/public/browser/notification_registrar.h" | |
14 #include "ppapi/c/private/ppb_flash.h" | |
15 | |
16 class GURL; | |
17 class Profile; | |
18 | |
19 namespace content { | |
20 class ResourceContext; | |
21 } | |
22 | |
23 namespace chrome { | |
24 | |
25 // This class aids in getting the Flash LSO Settings. | |
26 class FlashLSOSettingsHelper | |
27 : public base::RefCountedThreadSafe<FlashLSOSettingsHelper>, | |
28 public content::NotificationObserver { | |
29 public: | |
30 explicit FlashLSOSettingsHelper(int render_process_id); | |
31 | |
32 // Get the Flash local data restrictions for the given document/plugin URLs. | |
yzshen1
2012/12/29 02:04:05
Get->Gets (and some other places in this file).
raymes
2012/12/29 03:21:57
Done.
| |
33 // Should only be called from the IO thread. |callback| will be run with the | |
34 // data restriction settings on the IO thread. It may be run synchronously or | |
35 // asynchronously. | |
36 void GetLocalDataRestrictions( | |
37 const GURL& document_url, | |
38 const GURL& plugin_url, | |
39 base::Callback<void(PP_FlashLSORestrictions)> callback); | |
yzshen1
2012/12/29 02:04:05
Usually we pass const & for callback, right?
raymes
2012/12/29 03:21:57
Done.
| |
40 | |
41 private: | |
42 virtual ~FlashLSOSettingsHelper(); | |
43 friend class base::RefCountedThreadSafe<FlashLSOSettingsHelper>; | |
44 | |
45 // Run |callback| with the local data restrictions for the given resource | |
46 // context. The resource context is cached locally. | |
47 void GetLocalDataRestrictionsHelper( | |
48 const GURL& document_url, | |
49 const GURL& plugin_url, | |
50 base::Callback<void(PP_FlashLSORestrictions)> callback, | |
yzshen1
2012/12/29 02:04:05
ditto.
raymes
2012/12/29 03:21:57
Done.
| |
51 content::ResourceContext* resource_context); | |
52 | |
53 // Gets the resource context for the given render process ID. The resource | |
54 // context belongs to the Profile which lives on the UI thread so this should | |
55 // be run on the UI thread. This also registers this class for a notification | |
56 // on profile destruction so that the resource context is not accessed after | |
57 // that point. | |
58 content::ResourceContext* GetResourceContext(int render_process_id); | |
59 | |
60 // content::NotificationObserver implementation. | |
61 virtual void Observe(int type, | |
62 const content::NotificationSource& source, | |
63 const content::NotificationDetails& details) OVERRIDE; | |
64 | |
65 // Clear |resource_context_| on the IO thread when the profile is destroyed. | |
66 void ClearResourceContext(); | |
67 | |
68 // The render process ID of the renderer process to get LSO settings for. | |
69 // Should only be accessed on the IO thread. | |
70 int render_process_id_; | |
71 | |
72 // Whether the |resource_context_| has been initialized yet. Should only be | |
73 // accessed from the IO thread. | |
74 bool initialized_; | |
75 | |
76 // For fetching the Flash LSO settings. Should only be accessed from the IO | |
77 // thread. | |
78 content::ResourceContext* resource_context_; | |
79 | |
80 // Registrar for receiving profile destruction notifications. Should only be | |
81 // accessed from the UI thread. | |
82 scoped_ptr<content::NotificationRegistrar> registrar_; | |
83 | |
84 | |
85 DISALLOW_COPY_AND_ASSIGN(FlashLSOSettingsHelper); | |
86 }; | |
87 | |
88 } // namespace chrome | |
89 | |
90 #endif // CHROME_BROWSER_RENDERER_HOST_PEPPER_FLASH_LSO_SETTINGS_HELPER_H_ | |
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