Srujan Gaddam
3776313e65
Introduces NULLASSERT token and NNBD condition to allow code to conditionally compile with NNBD. Change-Id: Ib71e439f32c793e69b66c328cd7c9900358d886e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134045 Commit-Queue: Srujan Gaddam <srujzs@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
69 lines
2.3 KiB
Plaintext
69 lines
2.3 KiB
Plaintext
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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part of web_audio;
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$(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
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$!MEMBERS
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factory AudioContext() => JS('AudioContext',
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'new (window.AudioContext || window.webkitAudioContext)()');
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GainNode createGain() {
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if (JS('bool', '#.createGain !== undefined', this)) {
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return JS('GainNode', '#.createGain()', this);
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} else {
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return JS('GainNode', '#.createGainNode()', this);
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}
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}
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ScriptProcessorNode createScriptProcessor([int$NULLABLE bufferSize,
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int$NULLABLE numberOfInputChannels,
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int$NULLABLE numberOfOutputChannels]) {
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var function = JS(
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'=Object',
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'#.createScriptProcessor || '
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'#.createJavaScriptNode',
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this,
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this);
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if (numberOfOutputChannels != null) {
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return JS('ScriptProcessorNode', '#.call(#, #, #, #)', function, this,
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bufferSize, numberOfInputChannels, numberOfOutputChannels);
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} else if (numberOfInputChannels != null) {
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return JS('ScriptProcessorNode', '#.call(#, #, #)', function, this,
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bufferSize, numberOfInputChannels);
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} else if (bufferSize != null) {
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return JS(
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'ScriptProcessorNode', '#.call(#, #)', function, this, bufferSize);
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} else {
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return JS(
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'ScriptProcessorNode', '#.call(#)', function, this);
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}
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}
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@JSName('decodeAudioData')
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Future$#NULLSAFECAST(<AudioBuffer>) _decodeAudioData(ByteBuffer audioData,
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[DecodeSuccessCallback$NULLABLE successCallback,
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DecodeErrorCallback$NULLABLE errorCallback]) native;
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Future<AudioBuffer> decodeAudioData(ByteBuffer audioData,
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[DecodeSuccessCallback$NULLABLE successCallback,
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DecodeErrorCallback$NULLABLE errorCallback]) {
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if (successCallback != null && errorCallback != null) {
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return _decodeAudioData(audioData, successCallback, errorCallback);
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}
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var completer = new Completer<AudioBuffer>();
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_decodeAudioData(audioData, (value) {
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completer.complete(value);
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}, (error) {
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if (error == null) {
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completer.completeError('');
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} else {
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completer.completeError(error);
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}
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});
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return completer.future;
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}
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}
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