blob: cf3defff3eff7cdb769c73d7daa6f8cfa4e57356 [file] [log] [blame]
/*
* Copyright (C) 2015 Canon Inc.
*
* 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. ``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
* 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.
*/
// @conditional=ENABLE(STREAMS_API)
function enqueue(chunk)
{
"use strict";
if (!@isReadableStreamDefaultController(this))
throw @makeThisTypeError("ReadableStreamDefaultController", "enqueue");
if (!@readableStreamDefaultControllerCanCloseOrEnqueue(this))
@throwTypeError("ReadableStreamDefaultController is not in a state where chunk can be enqueued");
return @readableStreamDefaultControllerEnqueue(this, chunk);
}
function error(error)
{
"use strict";
if (!@isReadableStreamDefaultController(this))
throw @makeThisTypeError("ReadableStreamDefaultController", "error");
if (@getByIdDirectPrivate(@getByIdDirectPrivate(this, "controlledReadableStream"), "state") !== @streamReadable)
@throwTypeError("ReadableStream is not readable");
@readableStreamDefaultControllerError(this, error);
}
function close()
{
"use strict";
if (!@isReadableStreamDefaultController(this))
throw @makeThisTypeError("ReadableStreamDefaultController", "close");
if (!@readableStreamDefaultControllerCanCloseOrEnqueue(this))
@throwTypeError("ReadableStreamDefaultController is not in a state where it can be closed");
@readableStreamDefaultControllerClose(this);
}
@getter
function desiredSize()
{
"use strict";
if (!@isReadableStreamDefaultController(this))
throw @makeGetterTypeError("ReadableStreamDefaultController", "desiredSize");
return @readableStreamDefaultControllerGetDesiredSize(this);
}