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_CONTENT_SETTINGS_CONTENT_SETTINGS_UTILS_H_
6#define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_UTILS_H_
7
8#include <string>
9#include <utility>
10
11#include "chrome/common/content_settings.h"
12#include "chrome/common/content_settings_pattern.h"
13#include "chrome/common/content_settings_types.h"
14
15namespace base {
16class Value;
17}
18
19class GURL;
20class HostContentSettingsMap;
21
22namespace content_settings {
23
24class ProviderInterface;
25class RuleIterator;
26
27typedef std::pair<ContentSettingsPattern, ContentSettingsPattern> PatternPair;
28
29std::string GetTypeName(ContentSettingsType type);
30
31// Converts |Value| to |ContentSetting|.
32ContentSetting ValueToContentSetting(const base::Value* value);
33
34// Converts a |Value| to a |ContentSetting|. Returns true if |value| encodes
35// a valid content setting, false otherwise. Note that |CONTENT_SETTING_DEFAULT|
36// is encoded as a NULL value, so it is not allowed as an integer value.
37bool ParseContentSettingValue(const base::Value* value,
38                              ContentSetting* setting);
39
40PatternPair ParsePatternString(const std::string& pattern_str);
41
42std::string CreatePatternString(
43    const ContentSettingsPattern& item_pattern,
44    const ContentSettingsPattern& top_level_frame_pattern);
45
46// Caller takes the ownership of the returned |base::Value*|.
47base::Value* GetContentSettingValueAndPatterns(
48    RuleIterator* rule_iterator,
49    const GURL& primary_url,
50    const GURL& secondary_url,
51    ContentSettingsPattern* primary_pattern,
52    ContentSettingsPattern* secondary_pattern);
53
54base::Value* GetContentSettingValueAndPatterns(
55    const ProviderInterface* provider,
56    const GURL& primary_url,
57    const GURL& secondary_url,
58    ContentSettingsType content_type,
59    const std::string& resource_identifier,
60    bool include_incognito,
61    ContentSettingsPattern* primary_pattern,
62    ContentSettingsPattern* secondary_pattern);
63
64base::Value* GetContentSettingValue(
65    const ProviderInterface* provider,
66    const GURL& primary_url,
67    const GURL& secondary_url,
68    ContentSettingsType content_type,
69    const std::string& resource_identifier,
70    bool include_incognito);
71
72ContentSetting GetContentSetting(
73    const ProviderInterface* provider,
74    const GURL& primary_url,
75    const GURL& secondary_url,
76    ContentSettingsType content_type,
77    const std::string& resource_identifier,
78    bool include_incognito);
79
80// Populates |rules| with content setting rules for content types that are
81// handled by the renderer.
82void GetRendererContentSettingRules(const HostContentSettingsMap* map,
83                                    RendererContentSettingRules* rules);
84
85}  // namespace content_settings
86
87#endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_UTILS_H_
88