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| 1 // Copyright (c) 2015 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 ANDROID_WEBVIEW_BROWSER_NET_AW_HTTP_USER_AGENT_SETTINGS_H_ |
| 6 #define ANDROID_WEBVIEW_BROWSER_NET_AW_HTTP_USER_AGENT_SETTINGS_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/basictypes.h" |
| 11 #include "base/compiler_specific.h" |
| 12 #include "net/url_request/http_user_agent_settings.h" |
| 13 |
| 14 namespace android_webview { |
| 15 |
| 16 // An implementation of |HttpUserAgentSettings| that provides HTTP header |
| 17 // Accept-Language value that tracks aw accept language. |
| 18 class AwHttpUserAgentSettings : public net::HttpUserAgentSettings { |
| 19 public: |
| 20 // Must be called on the UI thread. |
| 21 AwHttpUserAgentSettings(); |
| 22 // Must be called on the IO thread. |
| 23 ~AwHttpUserAgentSettings() override; |
| 24 |
| 25 // net::HttpUserAgentSettings implementation |
| 26 std::string GetAcceptLanguage() const override; |
| 27 std::string GetUserAgent() const override; |
| 28 |
| 29 private: |
| 30 // Avoid re-processing by caching the last value from the locale and the |
| 31 // last result of processing via net::HttpUtil::GenerateAccept*Header(). |
| 32 mutable std::string last_aw_accept_language_; |
| 33 mutable std::string last_http_accept_language_; |
| 34 |
| 35 DISALLOW_COPY_AND_ASSIGN(AwHttpUserAgentSettings); |
| 36 }; |
| 37 |
| 38 } // namespace android_webview |
| 39 |
| 40 #endif // ANDROID_WEBVIEW_BROWSER_NET_AW_HTTP_USER_AGENT_SETTINGS_H_ |
| 41 |
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