chrome_http_user_agent_settings.h revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CHROME_BROWSER_NET_CHROME_HTTP_USER_AGENT_SETTINGS_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_BROWSER_NET_CHROME_HTTP_USER_AGENT_SETTINGS_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/prefs/pref_member.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/url_request/http_user_agent_settings.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PrefService; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// An implementation of |HttpUserAgentSettings| that provides HTTP header 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Accept-Language value that tracks Pref settings and uses 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// |content::GetUserAgent| to provide the HTTP User-Agent header value. 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ChromeHttpUserAgentSettings : public net::HttpUserAgentSettings { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Must be called on the UI thread. 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit ChromeHttpUserAgentSettings(PrefService* prefs); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Must be called on the IO thread. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~ChromeHttpUserAgentSettings(); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CleanupOnUIThread(); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // net::HttpUserAgentSettings implementation 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual std::string GetAcceptLanguage() const OVERRIDE; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual std::string GetUserAgent(const GURL& url) const OVERRIDE; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StringPrefMember pref_accept_language_; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Avoid re-processing by caching the last value from the preferences and the 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // last result of processing via net::HttpUtil::GenerateAccept*Header(). 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mutable std::string last_pref_accept_language_; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mutable std::string last_http_accept_language_; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ChromeHttpUserAgentSettings); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_NET_CHROME_HTTP_USER_AGENT_SETTINGS_H_ 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 46