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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 // Maps [requesting_origin, embedder] to content settings. Written on the UI | |
| 6 // thread and read on any thread. One instance per profile. This is based on | |
| 7 // HostContentSettingsMap but differs significantly in two aspects: | |
| 8 // - It maps [requesting_origin.GetOrigin(), embedder.GetOrigin()] => setting | |
| 9 // rather than host => setting. | |
| 10 // - It manages only Geolocation. | |
| 11 | |
| 12 #ifndef CHROME_BROWSER_GEOLOCATION_GEOLOCATION_CONTENT_SETTINGS_MAP_H_ | |
| 13 #define CHROME_BROWSER_GEOLOCATION_GEOLOCATION_CONTENT_SETTINGS_MAP_H_ | |
| 14 #pragma once | |
| 15 | |
| 16 #include <map> | |
| 17 | |
| 18 #include "base/basictypes.h" | |
| 19 #include "base/memory/ref_counted.h" | |
| 20 #include "chrome/browser/prefs/pref_change_registrar.h" | |
| 21 #include "chrome/common/content_settings.h" | |
| 22 #include "content/common/notification_observer.h" | |
| 23 #include "content/common/notification_registrar.h" | |
| 24 #include "googleurl/src/gurl.h" | |
| 25 | |
| 26 class ContentSettingsDetails; | |
| 27 class PrefService; | |
| 28 class Profile; | |
| 29 | |
| 30 namespace base { | |
| 31 class DictionaryValue; | |
| 32 } | |
| 33 | |
| 34 class GeolocationContentSettingsMap | |
| 35 : public base::RefCountedThreadSafe<GeolocationContentSettingsMap>, | |
| 36 public NotificationObserver { | |
| 37 public: | |
| 38 typedef std::map<GURL, ContentSetting> OneOriginSettings; | |
| 39 typedef std::map<GURL, OneOriginSettings> AllOriginsSettings; | |
| 40 | |
| 41 explicit GeolocationContentSettingsMap(Profile* profile); | |
| 42 | |
| 43 virtual ~GeolocationContentSettingsMap(); | |
| 44 | |
| 45 static void RegisterUserPrefs(PrefService* prefs); | |
| 46 | |
| 47 // Returns a single ContentSetting which applies to the given |requesting_url| | |
| 48 // when embedded in a top-level page from |embedding_url|. To determine the | |
| 49 // setting for a top-level page, as opposed to a frame embedded in a page, | |
| 50 // pass the page's URL for both arguments. | |
| 51 // | |
| 52 // This should only be called on the UI thread. | |
| 53 // Both arguments should be valid GURLs. | |
| 54 ContentSetting GetContentSetting(const GURL& requesting_url, | |
| 55 const GURL& embedding_url) const; | |
| 56 | |
| 57 // Returns the settings for all origins with any non-default settings. | |
| 58 // | |
| 59 // This should only be called on the UI thread. | |
| 60 AllOriginsSettings GetAllOriginsSettings() const; | |
| 61 | |
| 62 // Sets the content setting for a particular (requesting origin, embedding | |
| 63 // origin) pair. If the embedding origin is the same as the requesting | |
| 64 // origin, this represents the setting used when the requesting origin is | |
| 65 // itself the top-level page. If |embedder| is the empty GURL, |setting| | |
| 66 // becomes the default setting for the requesting origin when embedded on any | |
| 67 // page that does not have an explicit setting. Passing | |
| 68 // CONTENT_SETTING_DEFAULT for |setting| effectively removes that setting and | |
| 69 // allows future requests to return the all-embedders or global defaults (as | |
| 70 // applicable). | |
| 71 // | |
| 72 // This should only be called on the UI thread. |requesting_url| should be | |
| 73 // a valid GURL, and |embedding_url| should be valid or empty. | |
| 74 void SetContentSetting(const GURL& requesting_url, | |
| 75 const GURL& embedding_url, | |
| 76 ContentSetting setting); | |
| 77 | |
| 78 // Resets all settings. | |
| 79 // | |
| 80 // This should only be called on the UI thread. | |
| 81 void ResetToDefault(); | |
| 82 | |
| 83 // NotificationObserver implementation. | |
| 84 virtual void Observe(int type, | |
| 85 const NotificationSource& source, | |
| 86 const NotificationDetails& details); | |
| 87 | |
| 88 private: | |
| 89 friend class base::RefCountedThreadSafe<GeolocationContentSettingsMap>; | |
| 90 | |
| 91 // Sends a CONTENT_SETTINGS_CHANGED notification. | |
| 92 void NotifyObservers(const ContentSettingsDetails& details); | |
| 93 | |
| 94 void UnregisterObservers(); | |
| 95 | |
| 96 // Sets the fields of |one_origin_settings| based on the values in | |
| 97 // |dictionary|. | |
| 98 static void GetOneOriginSettingsFromDictionary( | |
| 99 const base::DictionaryValue* dictionary, | |
| 100 OneOriginSettings* one_origin_settings); | |
| 101 | |
| 102 // The profile we're associated with. | |
| 103 Profile* profile_; | |
| 104 | |
| 105 // Registrar to register for PREF_CHANGED notifications. | |
| 106 PrefChangeRegistrar prefs_registrar_; | |
| 107 NotificationRegistrar notification_registrar_; | |
| 108 | |
| 109 DISALLOW_COPY_AND_ASSIGN(GeolocationContentSettingsMap); | |
| 110 }; | |
| 111 | |
| 112 #endif // CHROME_BROWSER_GEOLOCATION_GEOLOCATION_CONTENT_SETTINGS_MAP_H_ | |
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Chromium Code Reviews
Issue 7484072:
Migrate geolocation settings to host content settings map. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src