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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_NET_CHROME_HTTP_USER_AGENT_SETTINGS_H_ | 5 #ifndef CHROME_BROWSER_NET_CHROME_HTTP_USER_AGENT_SETTINGS_H_ |
6 #define CHROME_BROWSER_NET_CHROME_HTTP_USER_AGENT_SETTINGS_H_ | 6 #define CHROME_BROWSER_NET_CHROME_HTTP_USER_AGENT_SETTINGS_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/compiler_specific.h" | 11 #include "base/compiler_specific.h" |
12 #include "base/prefs/public/pref_member.h" | 12 #include "base/prefs/public/pref_member.h" |
13 #include "net/url_request/http_user_agent_settings.h" | 13 #include "net/url_request/http_user_agent_settings.h" |
14 | 14 |
15 class PrefService; | 15 class PrefService; |
16 | 16 |
17 // An implementation of |HttpUserAgentSettings| that provides HTTP headers | 17 // An implementation of |HttpUserAgentSettings| that provides HTTP header |
18 // Accept-Language and Accept-Charset values that track Pref settings and uses | 18 // Accept-Language value that tracks Pref settings and uses |
19 // |content::GetUserAgent| to provide the HTTP User-Agent header value. | 19 // |content::GetUserAgent| to provide the HTTP User-Agent header value. |
20 class ChromeHttpUserAgentSettings : public net::HttpUserAgentSettings { | 20 class ChromeHttpUserAgentSettings : public net::HttpUserAgentSettings { |
21 public: | 21 public: |
22 // Must be called on the UI thread. | 22 // Must be called on the UI thread. |
23 explicit ChromeHttpUserAgentSettings(PrefService* prefs); | 23 explicit ChromeHttpUserAgentSettings(PrefService* prefs); |
24 // Must be called on the IO thread. | 24 // Must be called on the IO thread. |
25 virtual ~ChromeHttpUserAgentSettings(); | 25 virtual ~ChromeHttpUserAgentSettings(); |
26 | 26 |
27 void CleanupOnUIThread(); | 27 void CleanupOnUIThread(); |
28 | 28 |
29 // net::HttpUserAgentSettings implementation | 29 // net::HttpUserAgentSettings implementation |
30 virtual std::string GetAcceptLanguage() const OVERRIDE; | 30 virtual std::string GetAcceptLanguage() const OVERRIDE; |
31 virtual std::string GetAcceptCharset() const OVERRIDE; | |
32 virtual std::string GetUserAgent(const GURL& url) const OVERRIDE; | 31 virtual std::string GetUserAgent(const GURL& url) const OVERRIDE; |
33 | 32 |
34 private: | 33 private: |
35 StringPrefMember pref_accept_language_; | 34 StringPrefMember pref_accept_language_; |
36 StringPrefMember pref_accept_charset_; | |
37 | 35 |
38 // Avoid re-processing by caching the last value from the preferences and the | 36 // Avoid re-processing by caching the last value from the preferences and the |
39 // last result of processing via net::HttpUtil::GenerateAccept*Header(). | 37 // last result of processing via net::HttpUtil::GenerateAccept*Header(). |
40 mutable std::string last_pref_accept_language_; | 38 mutable std::string last_pref_accept_language_; |
41 mutable std::string last_http_accept_language_; | 39 mutable std::string last_http_accept_language_; |
42 mutable std::string last_pref_accept_charset_; | |
43 mutable std::string last_http_accept_charset_; | |
44 | 40 |
45 DISALLOW_COPY_AND_ASSIGN(ChromeHttpUserAgentSettings); | 41 DISALLOW_COPY_AND_ASSIGN(ChromeHttpUserAgentSettings); |
46 }; | 42 }; |
47 | 43 |
48 #endif // CHROME_BROWSER_NET_CHROME_HTTP_USER_AGENT_SETTINGS_H_ | 44 #endif // CHROME_BROWSER_NET_CHROME_HTTP_USER_AGENT_SETTINGS_H_ |
49 | 45 |
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