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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_PLUGIN_PREFS_H_ | |
6 #define CHROME_BROWSER_PLUGIN_PREFS_H_ | |
7 #pragma once | |
8 | |
9 #include <set> | |
10 #include <vector> | |
11 | |
12 #include "base/basictypes.h" | |
13 #include "base/file_path.h" | |
14 #include "base/memory/ref_counted.h" | |
15 #include "chrome/browser/prefs/pref_change_registrar.h" | |
16 #include "content/common/notification_observer.h" | |
17 | |
18 class NotificationDetails; | |
19 class NotificationSource; | |
20 class Profile; | |
21 | |
22 namespace content { | |
23 class ResourceContext; | |
24 } | |
25 | |
26 namespace base { | |
27 class DictionaryValue; | |
28 class ListValue; | |
29 } | |
30 | |
31 namespace webkit { | |
32 namespace npapi { | |
33 class PluginGroup; | |
34 struct WebPluginInfo; | |
35 } | |
36 } | |
37 | |
38 // This class stores information about whether a plug-in or a plug-in group is | |
39 // enabled or disabled. | |
40 // Except for the |IsPluginEnabled| method, it should only be used on the UI | |
41 // thread. | |
42 class PluginPrefs : public base::RefCountedThreadSafe<PluginPrefs>, | |
43 public NotificationObserver { | |
44 public: | |
45 // Initializes the factory for this class for dependency tracking. | |
46 // This should be called before the first profile is created. | |
47 static void Initialize(); | |
48 | |
49 static PluginPrefs* GetForProfile(Profile* profile); | |
50 | |
51 // Enable or disable a plugin group. | |
52 void EnablePluginGroup(bool enable, const string16& group_name); | |
53 | |
54 // Enable or disable a specific plugin file. | |
55 void EnablePlugin(bool enable, const FilePath& file_path); | |
56 | |
57 // Returns whether the plugin is enabled or not. | |
58 bool IsPluginEnabled(const webkit::npapi::WebPluginInfo& plugin); | |
59 | |
60 // Write the enable/disable status to the user's preference file. | |
61 void UpdatePreferences(int delay_ms); | |
62 | |
63 // NotificationObserver method overrides | |
64 virtual void Observe(int type, | |
65 const NotificationSource& source, | |
66 const NotificationDetails& details); | |
67 | |
68 static void RegisterPrefs(PrefService* prefs); | |
69 | |
70 void ShutdownOnUIThread(); | |
71 | |
72 private: | |
73 friend class base::RefCountedThreadSafe<PluginPrefs>; | |
74 | |
75 class Factory; | |
76 | |
77 PluginPrefs(); | |
78 virtual ~PluginPrefs(); | |
79 | |
80 // Associates the PluginPrefs with |profile|. This enables or disables | |
81 // plugin groups as defined by the user's preferences. | |
82 void SetProfile(Profile* profile); | |
83 | |
84 // Called on the file thread to get the data necessary to update the saved | |
85 // preferences. | |
86 void GetPreferencesDataOnFileThread(); | |
87 | |
88 // Called on the UI thread with the plugin data to save the preferences. | |
89 void OnUpdatePreferences(std::vector<webkit::npapi::WebPluginInfo> plugins, | |
90 std::vector<webkit::npapi::PluginGroup> groups); | |
91 | |
92 // Queues sending the notification that plugin data has changed. This is done | |
93 // so that if a bunch of changes happen, we only send one notification. | |
94 void NotifyPluginStatusChanged(); | |
95 | |
96 // Used for the post task to notify that plugin enabled status changed. | |
97 void OnNotifyPluginStatusChanged(); | |
98 | |
99 base::DictionaryValue* CreatePluginFileSummary( | |
100 const webkit::npapi::WebPluginInfo& plugin); | |
101 | |
102 // Force plugins to be enabled or disabled due to policy. | |
103 // |disabled_list| contains the list of StringValues of the names of the | |
104 // policy-disabled plugins, |exceptions_list| the policy-allowed plugins, | |
105 // and |enabled_list| the policy-enabled plugins. | |
106 void UpdatePluginsStateFromPolicy(const base::ListValue* disabled_list, | |
107 const base::ListValue* exceptions_list, | |
108 const base::ListValue* enabled_list); | |
109 | |
110 void ListValueToStringSet(const base::ListValue* src, | |
111 std::set<string16>* dest); | |
112 | |
113 // Weak pointer, owned by the profile. | |
114 PrefService* prefs_; | |
115 | |
116 PrefChangeRegistrar registrar_; | |
117 | |
118 bool notify_pending_; | |
119 | |
120 DISALLOW_COPY_AND_ASSIGN(PluginPrefs); | |
121 }; | |
122 | |
123 #endif // CHROME_BROWSER_PLUGIN_PREFS_H_ | |
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