WebSpeechRecognizerTaskMock.mm   [plain text]

/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/

#import "config.h"
#import "WebSpeechRecognizerTaskMock.h"

#if HAVE(SPEECHRECOGNIZER)

using namespace WebCore;

NS_ASSUME_NONNULL_BEGIN

@implementation WebSpeechRecognizerTaskMock

- (instancetype)initWithIdentifier:(SpeechRecognitionConnectionClientIdentifier)identifier locale:(NSString*)localeIdentifier doMultipleRecognitions:(BOOL)continuous reportInterimResults:(BOOL)interimResults maxAlternatives:(unsigned long)alternatives delegateCallback:(void(^)(const SpeechRecognitionUpdate&))callback
{
if (!(self = [super init]))
return nil;

_doMultipleRecognitions = continuous;
_identifier = identifier;
_delegateCallback = callback;
_completed = false;
_hasSentSpeechStart = false;
_hasSentSpeechEnd = false;

return self;
}

- (void)audioSamplesAvailable:(CMSampleBufferRef)sampleBuffer
{
if (!_hasSentSpeechStart) {
_hasSentSpeechStart = true;
_delegateCallback(SpeechRecognitionUpdate::create(_identifier, SpeechRecognitionUpdateType::SpeechStart));
}

// Fake some recognition results.
Vector<SpeechRecognitionAlternativeData> alternatives;
alternatives.append(SpeechRecognitionAlternativeData { "Test", 1.0 });
Vector<SpeechRecognitionResultData> datas;
datas.append(SpeechRecognitionResultData { WTFMove(alternatives), true });
_delegateCallback(SpeechRecognitionUpdate::createResult(_identifier, WTFMove(datas)));

if (!_doMultipleRecognitions)
[self abort];
}

- (void)abort
{
if (_completed)
return;
_completed = true;

if (!_hasSentSpeechEnd && _hasSentSpeechStart) {
_hasSentSpeechEnd = true;
_delegateCallback(SpeechRecognitionUpdate::create(_identifier, SpeechRecognitionUpdateType::SpeechEnd));
}

_delegateCallback(SpeechRecognitionUpdate::create(_identifier, SpeechRecognitionUpdateType::End));
}

- (void)stop
{
[self abort];
}

@end

NS_ASSUME_NONNULL_END

#endif