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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_COMMON_CONTENT_SETTINGS_H_
      6 #define CHROME_COMMON_CONTENT_SETTINGS_H_
      7 
      8 #include <string>
      9 #include <vector>
     10 
     11 #include "chrome/common/content_settings_pattern.h"
     12 #include "chrome/common/content_settings_types.h"
     13 
     14 // Different settings that can be assigned for a particular content type.  We
     15 // give the user the ability to set these on a global and per-origin basis.
     16 enum ContentSetting {
     17   CONTENT_SETTING_DEFAULT = 0,
     18   CONTENT_SETTING_ALLOW,
     19   CONTENT_SETTING_BLOCK,
     20   CONTENT_SETTING_ASK,
     21   CONTENT_SETTING_SESSION_ONLY,
     22   CONTENT_SETTING_NUM_SETTINGS
     23 };
     24 
     25 // Range-checked conversion of an int to a ContentSetting, for use when reading
     26 // prefs off disk.
     27 ContentSetting IntToContentSetting(int content_setting);
     28 
     29 struct ContentSettingPatternSource {
     30   ContentSettingPatternSource(const ContentSettingsPattern& primary_pattern,
     31                               const ContentSettingsPattern& secondary_patttern,
     32                               ContentSetting setting,
     33                               const std::string& source,
     34                               bool incognito);
     35   ContentSettingPatternSource();
     36   ContentSettingsPattern primary_pattern;
     37   ContentSettingsPattern secondary_pattern;
     38   ContentSetting setting;
     39   std::string source;
     40   bool incognito;
     41 };
     42 
     43 typedef std::vector<ContentSettingPatternSource> ContentSettingsForOneType;
     44 
     45 struct RendererContentSettingRules {
     46   RendererContentSettingRules();
     47   ~RendererContentSettingRules();
     48   ContentSettingsForOneType image_rules;
     49   ContentSettingsForOneType script_rules;
     50 };
     51 
     52 namespace content_settings {
     53 
     54 // Enum containing the various source for content settings. Settings can be
     55 // set by policy, extension or the user. Certain (internal) schemes are
     56 // whilelisted. For whilelisted schemes the source is
     57 // |SETTING_SOURCE_WHITELIST|.
     58 enum SettingSource {
     59   SETTING_SOURCE_NONE,
     60   SETTING_SOURCE_POLICY,
     61   SETTING_SOURCE_EXTENSION,
     62   SETTING_SOURCE_USER,
     63   SETTING_SOURCE_WHITELIST,
     64 };
     65 
     66 // |SettingInfo| provides meta data for content setting values. |source|
     67 // contains the source of a value. |primary_pattern| and |secondary_pattern|
     68 // contains the patterns of the appling rule.
     69 struct SettingInfo {
     70   SettingSource source;
     71   ContentSettingsPattern primary_pattern;
     72   ContentSettingsPattern secondary_pattern;
     73 };
     74 
     75 }  // namespace content_settings
     76 
     77 #endif  // CHROME_COMMON_CONTENT_SETTINGS_H_
     78