62 lines
2.6 KiB
C
62 lines
2.6 KiB
C
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
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#define CEF_LIBCEF_BROWSER_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
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#include "base/compiler_specific.h"
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#include "base/memory/ref_counted.h"
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#include "base/memory/scoped_ptr.h"
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#include "content/public/browser/speech_recognition_event_listener.h"
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#include "content/public/browser/speech_recognition_manager_delegate.h"
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// This is CEF's implementation of the SpeechRecognitionManagerDelegate
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// interface. Based on chrome/browser/speech/
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// chrome_speech_recognition_manager_delegate.[cc|h]
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class CefSpeechRecognitionManagerDelegate
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: NON_EXPORTED_BASE(public content::SpeechRecognitionManagerDelegate),
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public content::SpeechRecognitionEventListener {
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public:
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CefSpeechRecognitionManagerDelegate();
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virtual ~CefSpeechRecognitionManagerDelegate();
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protected:
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// SpeechRecognitionEventListener methods.
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virtual void OnRecognitionStart(int session_id) OVERRIDE;
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virtual void OnAudioStart(int session_id) OVERRIDE;
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virtual void OnEnvironmentEstimationComplete(int session_id) OVERRIDE;
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virtual void OnSoundStart(int session_id) OVERRIDE;
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virtual void OnSoundEnd(int session_id) OVERRIDE;
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virtual void OnAudioEnd(int session_id) OVERRIDE;
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virtual void OnRecognitionEnd(int session_id) OVERRIDE;
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virtual void OnRecognitionResults(
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int session_id, const content::SpeechRecognitionResults& result) OVERRIDE;
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virtual void OnRecognitionError(
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int session_id, const content::SpeechRecognitionError& error) OVERRIDE;
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virtual void OnAudioLevelsChange(int session_id, float volume,
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float noise_volume) OVERRIDE;
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// SpeechRecognitionManagerDelegate methods.
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virtual void GetDiagnosticInformation(bool* can_report_metrics,
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std::string* hardware_info) OVERRIDE;
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virtual void CheckRecognitionIsAllowed(
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int session_id,
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base::Callback<void(bool ask_user, bool is_allowed)> callback) OVERRIDE;
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virtual content::SpeechRecognitionEventListener* GetEventListener() OVERRIDE;
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private:
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class WebContentsWatcher;
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// Callback called by |web_contents_watcher_| on the IO thread to signal
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// web contents closure.
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void WebContentsClosedCallback(int render_process_id, int render_view_id);
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scoped_refptr<WebContentsWatcher> web_contents_watcher_;
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DISALLOW_COPY_AND_ASSIGN(CefSpeechRecognitionManagerDelegate);
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};
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#endif // CEF_LIBCEF_BROWSER_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
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