blob: fe975fb0d56b4ab573c0d2cccca06eaecf551c5b [file] [log] [blame]
/*
* Copyright (C) 2016 Canon Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted, provided that the following conditions
* are required to be 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.
* 3. Neither the name of Canon Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY CANON 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 CANON INC. AND 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.
*/
#include "config.h"
#include "JSReadableStreamSource.h"
#if ENABLE(STREAMS_API)
namespace WebCore {
using namespace JSC;
JSValue JSReadableStreamSource::start(ExecState& state, Ref<DeferredPromise>&& promise)
{
VM& vm = state.vm();
// FIXME: Why is it ok to ASSERT the argument count here?
ASSERT(state.argumentCount());
JSReadableStreamDefaultController* controller = jsDynamicCast<JSReadableStreamDefaultController*>(vm, state.uncheckedArgument(0));
ASSERT(controller);
m_controller.set(vm, this, controller);
wrapped().start(ReadableStreamDefaultController(controller), WTFMove(promise));
return jsUndefined();
}
JSValue JSReadableStreamSource::pull(ExecState&, Ref<DeferredPromise>&& promise)
{
wrapped().pull(WTFMove(promise));
return jsUndefined();
}
JSValue JSReadableStreamSource::controller(ExecState&) const
{
ASSERT_NOT_REACHED();
return jsUndefined();
}
}
#endif // ENABLE(STREAMS_API)