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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_WEBUI_OPTIONS_CONTENT_SETTINGS_HANDLER_H_ | |
6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CONTENT_SETTINGS_HANDLER_H_ | |
7 #pragma once | |
8 | |
9 #include "chrome/browser/plugin_data_remover_helper.h" | |
10 #include "chrome/browser/prefs/pref_change_registrar.h" | |
11 #include "chrome/browser/ui/webui/options/options_ui.h" | |
12 #include "chrome/common/content_settings_types.h" | |
13 #include "chrome/common/content_settings.h" | |
14 #include "content/public/browser/notification_observer.h" | |
15 #include "content/public/browser/notification_registrar.h" | |
16 | |
17 class HostContentSettingsMap; | |
18 class ProtocolHandlerRegistry; | |
19 | |
20 class ContentSettingsHandler : public OptionsPageUIHandler { | |
21 public: | |
22 ContentSettingsHandler(); | |
23 virtual ~ContentSettingsHandler(); | |
24 | |
25 // OptionsPageUIHandler implementation. | |
26 virtual void GetLocalizedValues(DictionaryValue* localized_strings) OVERRIDE; | |
27 | |
28 virtual void InitializeHandler() OVERRIDE; | |
29 | |
30 virtual void RegisterMessages() OVERRIDE; | |
31 | |
32 // content::NotificationObserver implementation. | |
33 virtual void Observe(int type, | |
34 const content::NotificationSource& source, | |
35 const content::NotificationDetails& details) OVERRIDE; | |
36 | |
37 // Gets a string identifier for the group name, for use in HTML. | |
38 static std::string ContentSettingsTypeToGroupName(ContentSettingsType type); | |
39 | |
40 private: | |
41 // Functions that call into the page ----------------------------------------- | |
42 | |
43 // Updates the page with the default settings (allow, ask, block, etc.) | |
44 void UpdateSettingDefaultFromModel(ContentSettingsType type); | |
45 | |
46 // Clobbers and rebuilds the specific content setting type exceptions table. | |
47 void UpdateExceptionsViewFromModel(ContentSettingsType type); | |
48 // Clobbers and rebuilds the specific content setting type exceptions | |
49 // OTR table. | |
50 void UpdateOTRExceptionsViewFromModel(ContentSettingsType type); | |
51 // Clobbers and rebuilds all the exceptions tables in the page (both normal | |
52 // and OTR tables). | |
53 void UpdateAllExceptionsViewsFromModel(); | |
54 // As above, but only OTR tables. | |
55 void UpdateAllOTRExceptionsViewsFromModel(); | |
56 // Clobbers and rebuilds just the geolocation exception table. | |
57 void UpdateGeolocationExceptionsView(); | |
58 // Clobbers and rebuilds just the desktop notification exception table. | |
59 void UpdateNotificationExceptionsView(); | |
60 // Clobbers and rebuilds an exception table that's managed by the host content | |
61 // settings map. | |
62 void UpdateExceptionsViewFromHostContentSettingsMap(ContentSettingsType type); | |
63 // As above, but acts on the OTR table for the content setting type. | |
64 void UpdateExceptionsViewFromOTRHostContentSettingsMap( | |
65 ContentSettingsType type); | |
66 // Updates the radio buttons for enabling / disabling handlers. | |
67 void UpdateHandlersEnabledRadios(); | |
68 | |
69 // Callbacks used by the page ------------------------------------------------ | |
70 | |
71 // Sets the default value for a specific content type. |args| includes the | |
72 // content type and a string describing the new default the user has | |
73 // chosen. | |
74 void SetContentFilter(const ListValue* args); | |
75 | |
76 // Removes the given row from the table. The first entry in |args| is the | |
77 // content type, and the rest of the arguments depend on the content type | |
78 // to be removed. | |
79 void RemoveException(const ListValue* args); | |
80 | |
81 // Changes the value of an exception. Called after the user is done editing an | |
82 // exception. | |
83 void SetException(const ListValue* args); | |
84 | |
85 // Called to decide whether a given pattern is valid, or if it should be | |
86 // rejected. Called while the user is editing an exception pattern. | |
87 void CheckExceptionPatternValidity(const ListValue* args); | |
88 | |
89 // Utility functions --------------------------------------------------------- | |
90 | |
91 // Applies content settings whitelists to reduce breakage / user confusion. | |
92 void ApplyWhitelist(ContentSettingsType content_type, | |
93 ContentSetting default_setting); | |
94 | |
95 // Gets the HostContentSettingsMap for the normal profile. | |
96 HostContentSettingsMap* GetContentSettingsMap(); | |
97 | |
98 // Gets the HostContentSettingsMap for the incognito profile, or NULL if there | |
99 // is no active incognito session. | |
100 HostContentSettingsMap* GetOTRContentSettingsMap(); | |
101 | |
102 // Gets the default setting in string form. If |provider_id| is not NULL, the | |
103 // id of the provider which provided the default setting is assigned to it. | |
104 std::string GetSettingDefaultFromModel(ContentSettingsType type, | |
105 std::string* provider_id); | |
106 | |
107 // Gets the ProtocolHandlerRegistry for the normal profile. | |
108 ProtocolHandlerRegistry* GetProtocolHandlerRegistry(); | |
109 | |
110 // Member variables --------------------------------------------------------- | |
111 | |
112 content::NotificationRegistrar notification_registrar_; | |
113 PrefChangeRegistrar pref_change_registrar_; | |
114 | |
115 DISALLOW_COPY_AND_ASSIGN(ContentSettingsHandler); | |
116 }; | |
117 | |
118 #endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_CONTENT_SETTINGS_HANDLER_H_ | |
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