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 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_ 6 #define CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_ 7 8 #include <string> 9 10 #include "base/callback_forward.h" 11 #include "content/public/common/speech_recognition_error.h" 12 13 namespace content { 14 15 class SpeechRecognitionEventListener; 16 struct SpeechRecognitionResult; 17 18 // Allows embedders to display the current state of recognition, for getting the 19 // user's permission and for fetching optional request information. 20 class SpeechRecognitionManagerDelegate { 21 public: 22 virtual ~SpeechRecognitionManagerDelegate() {} 23 24 // Get the optional diagnostic hardware information if available. 25 // This is called on the IO thread. 26 virtual void GetDiagnosticInformation(bool* can_report_metrics, 27 std::string* hardware_info) = 0; 28 29 // Checks (asynchronously) if current setup allows speech recognition. 30 // This is called on the IO thread. 31 virtual void CheckRecognitionIsAllowed( 32 int session_id, 33 base::Callback<void(bool ask_user, bool is_allowed)> callback) = 0; 34 35 // Checks whether the delegate is interested (returning a non NULL ptr) or not 36 // (returning NULL) in receiving a copy of all sessions events. 37 // This is called on the IO thread. 38 virtual SpeechRecognitionEventListener* GetEventListener() = 0; 39 40 // Checks whether the speech recognition for the given renderer should filter 41 // profanities or not. 42 virtual bool FilterProfanities(int render_process_id) = 0; 43 }; 44 45 } // namespace content 46 47 #endif // CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_ 48
