1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Maps hostnames to custom content settings. Written on the UI thread and read
// on any thread. One instance per profile.
#ifndef CHROME_BROWSER_HOST_CONTENT_SETTINGS_MAP_H_
#define CHROME_BROWSER_HOST_CONTENT_SETTINGS_MAP_H_
#include <map>
#include <string>
#include "base/basictypes.h"
#include "base/lock.h"
#include "base/ref_counted.h"
#include "chrome/common/content_settings.h"
class DictionaryValue;
class PrefService;
class Profile;
class HostContentSettingsMap
: public base::RefCountedThreadSafe<HostContentSettingsMap> {
public:
typedef std::map<std::string, ContentSetting> HostContentSettingsForOneType;
explicit HostContentSettingsMap(Profile* profile);
static void RegisterUserPrefs(PrefService* prefs);
// Returns the default setting for a particular content type.
//
// This may be called on any thread.
ContentSetting GetDefaultContentSetting(
ContentSettingsType content_type) const;
// Returns a single ContentSetting which applies to a given host.
//
// This may be called on any thread.
ContentSetting GetContentSetting(const std::string& host,
ContentSettingsType content_type) const;
// Returns all ContentSettings which apply to a given host.
//
// This may be called on any thread.
ContentSettings GetContentSettings(const std::string& host) const;
// For a given content type, returns all hosts with a non-default setting,
// mapped to their actual settings. |settings| must be a non-NULL outparam.
//
// This may be called on any thread.
void GetHostContentSettingsForOneType(
ContentSettingsType content_type,
HostContentSettingsForOneType* settings) const;
// Sets the default setting for a particular content type.
//
// This should only be called on the UI thread.
void SetDefaultContentSetting(ContentSettingsType content_type,
ContentSetting setting);
// Sets the blocking setting for a particular hostname and content type.
// Setting the value to CONTENT_SETTING_DEFAULT causes the default setting for
// that type to be used when loading pages from this host.
//
// This should only be called on the UI thread.
void SetContentSetting(const std::string& host,
ContentSettingsType content_type,
ContentSetting setting);
// This setting trumps any host-specific settings.
bool BlockThirdPartyCookies() const { return block_third_party_cookies_; }
// Sets whether we block all third-party cookies.
//
// This should only be called on the UI thread.
void SetBlockThirdPartyCookies(bool block);
// Resets all settings levels.
//
// This should only be called on the UI thread.
void ResetToDefaults();
private:
friend class base::RefCountedThreadSafe<HostContentSettingsMap>;
typedef std::map<std::string, ContentSettings> HostContentSettings;
// The names of the ContentSettingsType values, for use with dictionary prefs.
static const wchar_t* kTypeNames[];
~HostContentSettingsMap();
// Sets the fields of |settings| based on the values in |dictionary|.
void GetSettingsFromDictionary(const DictionaryValue* dictionary,
ContentSettings* settings);
// Forces the default settings to be explicitly set instead of themselves
// being CONTENT_SETTING_DEFAULT.
void ForceDefaultsToBeExplicit();
// The profile we're associated with.
Profile* profile_;
// Copies of the pref data, so that we can read it on the IO thread.
ContentSettings default_content_settings_;
HostContentSettings host_content_settings_;
// Misc global settings.
bool block_third_party_cookies_;
// Used around accesses to the settings objects to guarantee thread safety.
mutable Lock lock_;
DISALLOW_COPY_AND_ASSIGN(HostContentSettingsMap);
};
#endif // CHROME_BROWSER_HOST_CONTENT_SETTINGS_MAP_H_
|
