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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_REQUEST_H_ | 5 #ifndef CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_REQUEST_H_ |
| 6 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_REQUEST_H_ | 6 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_REQUEST_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| 11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
| 12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
| 13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
| 14 #include "content/common/content_export.h" | 14 #include "content/common/content_export.h" |
| 15 #include "content/common/net/url_fetcher.h" | 15 #include "content/public/common/url_fetcher_delegate.h" |
| 16 #include "content/common/speech_input_result.h" | 16 #include "content/common/speech_input_result.h" |
| 17 #include "googleurl/src/gurl.h" | 17 #include "googleurl/src/gurl.h" |
| 18 | 18 |
| 19 class URLFetcher; | 19 class URLFetcher; |
| 20 | 20 |
| 21 namespace net { | 21 namespace net { |
| 22 class URLRequestContextGetter; | 22 class URLRequestContextGetter; |
| 23 } | 23 } |
| 24 | 24 |
| 25 namespace speech_input { | 25 namespace speech_input { |
| 26 | 26 |
| 27 // Provides a simple interface for sending recorded speech data to the server | 27 // Provides a simple interface for sending recorded speech data to the server |
| 28 // and get back recognition results. | 28 // and get back recognition results. |
| 29 class SpeechRecognitionRequest : public URLFetcher::Delegate { | 29 class SpeechRecognitionRequest : public content::URLFetcherDelegate { |
| 30 public: | 30 public: |
| 31 // ID passed to URLFetcher::Create(). Used for testing. | 31 // ID passed to URLFetcher::Create(). Used for testing. |
| 32 CONTENT_EXPORT static int url_fetcher_id_for_tests; | 32 CONTENT_EXPORT static int url_fetcher_id_for_tests; |
| 33 | 33 |
| 34 // Interface for receiving callbacks from this object. | 34 // Interface for receiving callbacks from this object. |
| 35 class CONTENT_EXPORT Delegate { | 35 class CONTENT_EXPORT Delegate { |
| 36 public: | 36 public: |
| 37 virtual void SetRecognitionResult(const SpeechInputResult& result) = 0; | 37 virtual void SetRecognitionResult(const SpeechInputResult& result) = 0; |
| 38 | 38 |
| 39 protected: | 39 protected: |
| (...skipping 15 matching lines...) Expand all Loading... |
| 55 const std::string& hardware_info, | 55 const std::string& hardware_info, |
| 56 const std::string& origin_url, | 56 const std::string& origin_url, |
| 57 const std::string& content_type); | 57 const std::string& content_type); |
| 58 | 58 |
| 59 // Send a single chunk of audio immediately to the server. | 59 // Send a single chunk of audio immediately to the server. |
| 60 CONTENT_EXPORT void UploadAudioChunk(const std::string& audio_data, | 60 CONTENT_EXPORT void UploadAudioChunk(const std::string& audio_data, |
| 61 bool is_last_chunk); | 61 bool is_last_chunk); |
| 62 | 62 |
| 63 CONTENT_EXPORT bool HasPendingRequest() { return url_fetcher_ != NULL; } | 63 CONTENT_EXPORT bool HasPendingRequest() { return url_fetcher_ != NULL; } |
| 64 | 64 |
| 65 // URLFetcher::Delegate methods. | 65 // content::URLFetcherDelegate methods. |
| 66 virtual void OnURLFetchComplete(const URLFetcher* source) OVERRIDE; | 66 virtual void OnURLFetchComplete(const URLFetcher* source) OVERRIDE; |
| 67 | 67 |
| 68 private: | 68 private: |
| 69 scoped_refptr<net::URLRequestContextGetter> url_context_; | 69 scoped_refptr<net::URLRequestContextGetter> url_context_; |
| 70 Delegate* delegate_; | 70 Delegate* delegate_; |
| 71 scoped_ptr<URLFetcher> url_fetcher_; | 71 scoped_ptr<URLFetcher> url_fetcher_; |
| 72 | 72 |
| 73 DISALLOW_COPY_AND_ASSIGN(SpeechRecognitionRequest); | 73 DISALLOW_COPY_AND_ASSIGN(SpeechRecognitionRequest); |
| 74 }; | 74 }; |
| 75 | 75 |
| 76 // This typedef is to workaround the issue with certain versions of | 76 // This typedef is to workaround the issue with certain versions of |
| 77 // Visual Studio where it gets confused between multiple Delegate | 77 // Visual Studio where it gets confused between multiple Delegate |
| 78 // classes and gives a C2500 error. (I saw this error on the try bots - | 78 // classes and gives a C2500 error. (I saw this error on the try bots - |
| 79 // the workaround was not needed for my machine). | 79 // the workaround was not needed for my machine). |
| 80 typedef SpeechRecognitionRequest::Delegate SpeechRecognitionRequestDelegate; | 80 typedef SpeechRecognitionRequest::Delegate SpeechRecognitionRequestDelegate; |
| 81 | 81 |
| 82 } // namespace speech_input | 82 } // namespace speech_input |
| 83 | 83 |
| 84 #endif // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_REQUEST_H_ | 84 #endif // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_REQUEST_H_ |
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