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/*
* 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(READABLE_STREAM_API)
using namespace JSC;
namespace WebCore {
static void startReadableStream(JSC::ExecState& state, Ref<DeferredPromise>&& promise)
{
VM& vm = state.vm();
JSReadableStreamSource* source = jsDynamicDowncast<JSReadableStreamSource*>(vm, state.thisValue());
ASSERT(source);
ASSERT(state.argumentCount());
JSReadableStreamDefaultController* controller = jsDynamicDowncast<JSReadableStreamDefaultController*>(vm, state.uncheckedArgument(0));
ASSERT(controller);
source->wrapped().start(ReadableStreamDefaultController(controller), WTFMove(promise));
}
JSValue JSReadableStreamSource::start(ExecState& state)
{
VM& vm = state.vm();
ASSERT(state.argumentCount());
JSReadableStreamDefaultController* controller = jsDynamicDowncast<JSReadableStreamDefaultController*>(vm, state.uncheckedArgument(0));
ASSERT(controller);
m_controller.set(vm, this, controller);
return callPromiseFunction<startReadableStream, PromiseExecutionScope::WindowOrWorker>(state);
}
static void pullReadableStream(JSC::ExecState& state, Ref<DeferredPromise>&& promise)
{
VM& vm = state.vm();
JSReadableStreamSource* source = jsDynamicDowncast<JSReadableStreamSource*>(vm, state.thisValue());
ASSERT(source);
source->wrapped().pull(WTFMove(promise));
}
JSValue JSReadableStreamSource::pull(ExecState& state)
{
return callPromiseFunction<pullReadableStream, PromiseExecutionScope::WindowOrWorker>(state);
}
JSValue JSReadableStreamSource::controller(ExecState&) const
{
ASSERT_NOT_REACHED();
return jsUndefined();
}
}
#endif // ENABLE(READABLE_STREAM_API)
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