| // Copyright 2016 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. |
| |
| #import "ios/chrome/browser/voice/voice_search_url_rewriter.h" |
| |
| #import <Foundation/Foundation.h> |
| |
| #import "base/mac/scoped_nsobject.h" |
| #import "base/strings/sys_string_conversions.h" |
| #include "components/google/core/browser/google_util.h" |
| #include "components/prefs/pref_service.h" |
| #include "ios/chrome/browser/browser_state/chrome_browser_state.h" |
| #include "ios/chrome/browser/voice/speech_input_locale_config.h" |
| #include "ios/public/provider/chrome/browser/voice/voice_search_prefs.h" |
| #include "net/base/url_util.h" |
| #include "url/gurl.h" |
| |
| #if !defined(__has_feature) || !__has_feature(objc_arc) |
| #error "This file requires ARC support." |
| #endif |
| |
| bool VoiceSearchURLRewriter(GURL* url, web::BrowserState* browser_state) { |
| if (!google_util::IsGoogleSearchUrl(*url)) |
| return false; |
| |
| ios::ChromeBrowserState* chrome_browser_state = |
| ios::ChromeBrowserState::FromBrowserState(browser_state); |
| std::string language = |
| chrome_browser_state->GetPrefs()->GetString(prefs::kVoiceSearchLocale); |
| GURL rewritten_url(*url); |
| // The |hl| parameter will be overriden only if the voice search locale |
| // is not empty. If it is empty (indicating that voice search locale |
| // uses device language), the |hl| will keep the original value. |
| // If there is no |hl| in the query the |spknlang| will use the application |
| // locale as a fallback (instead of using the same locale for both |hl| |
| // and |spknlang|). |
| if (language.empty()) { |
| voice::SpeechInputLocaleConfig* locale_config = |
| voice::SpeechInputLocaleConfig::GetInstance(); |
| if (locale_config) |
| language = locale_config->GetDefaultLocale().code; |
| if (!language.length()) { |
| NOTREACHED(); |
| language = "en-US"; |
| } |
| } |
| rewritten_url = |
| net::AppendOrReplaceQueryParameter(rewritten_url, "hl", language); |
| rewritten_url = |
| net::AppendQueryParameter(rewritten_url, "spknlang", language); |
| rewritten_url = net::AppendQueryParameter(rewritten_url, "inm", "vs"); |
| rewritten_url = net::AppendQueryParameter(rewritten_url, "vse", "1"); |
| *url = rewritten_url; |
| |
| // Return false so other URLRewriters can update the url if necessary. |
| return false; |
| } |