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96 lines
3.3 KiB
Plaintext
96 lines
3.3 KiB
Plaintext
// Copyright 2018 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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module blink.mojom;
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import "third_party/blink/public/mojom/speech/speech_recognition_grammar.mojom";
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import "third_party/blink/public/mojom/speech/speech_recognition_result.mojom";
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import "third_party/blink/public/mojom/speech/speech_recognition_error.mojom";
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import "url/mojom/origin.mojom";
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// Created by the renderer and sent to the browser to start a speech recognition
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// session.
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struct StartSpeechRecognitionRequestParams {
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// Used to create a connection with a SpeechRecognitionSession implementation
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// that will be created when the session is created.
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SpeechRecognitionSession& session_request;
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// Used by the browser to communicate with a SpeechRecognitionSessionClient
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// implementation created for the new session.
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SpeechRecognitionSessionClient client;
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// Language to use for speech recognition.
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string language;
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// Speech grammars to use.
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array<SpeechRecognitionGrammar> grammars;
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// URL of the page (or iframe if applicable).
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url.mojom.Origin origin;
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// Maximum number of hypotheses allowed for each results.
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uint32 max_hypotheses;
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// Whether the user requested continuous recognition.
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bool continuous;
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// Whether the user requested interim results.
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bool interim_results;
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};
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// API for the renderer process to start a speech recognition session in the
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// browser process.
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interface SpeechRecognizer {
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// Requests the speech recognition service to start speech recognition.
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Start(StartSpeechRecognitionRequestParams params);
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};
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// API for the renderer process to stop or abort an existing speech recognition
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// session. An InterfaceRequest is sent to the browser process via
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// SpeechRecognizer::Start, and is bound to an implementation there.
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// SpeechRecognitionSession and SpeechRecognitionSessionClient are 1:1 with each
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// other and with WebSpeechRecognitionHandle.
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interface SpeechRecognitionSession {
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// Requests the speech recognition service to abort speech recognition for the
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// associated session.
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Abort();
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// Requests the speech recognition service to stop audio capture for the
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// associated session.
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StopCapture();
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};
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// API for the browser process to communicate speech recognition related updates
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// with renderer and cause events to be dispatched to the appropriate speech
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// recognition handle. An InterfacePtr for each handle is sent to the browser
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// process via SpeechRecognizer::Start. SpeechRecognitionSession and
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// SpeechRecognitionSessionClient are 1:1 with each other and with
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// WebSpeechRecognitionHandle.
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interface SpeechRecognitionSessionClient {
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// Called to dispatch the "result" event.
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ResultRetrieved(array<SpeechRecognitionResult> results);
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// Called to dispatch the "nomatch" event if the error code passed is of types
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// kNoMatch, otherwise dispatchers an "error" event.
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ErrorOccurred(SpeechRecognitionError error);
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// Called to dispatch the "start" event.
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Started();
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// Called to dispatch the "audiostart" event.
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AudioStarted();
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// Called to dispatch the "soundstart" and "speechstart" events.
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SoundStarted();
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// Called to dispatch "soundend" and "speechend" events.
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SoundEnded();
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// Called to dispatch the "audioend" event.
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AudioEnded();
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// Called to dispatch the "end" event.
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Ended();
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};
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