/* * 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) using namespace JSC; namespace WebCore { JSValue JSReadableStreamSource::start(ExecState& state) { JSReadableStreamController* controller = jsDynamicCast<JSReadableStreamController*>(state.argument(0)); ASSERT(controller); JSReadableStreamSource* jsSource = const_cast<JSReadableStreamSource*>(this); m_controller.set(state.vm(), jsSource, state.argument(0)); JSC::JSPromiseDeferred* promiseDeferred = JSC::JSPromiseDeferred::create(&state, globalObject()); wrapped().start(ReadableStreamController(controller), DeferredWrapper(&state, globalObject(), promiseDeferred)); return promiseDeferred->promise(); } JSValue JSReadableStreamSource::controller(ExecState&) const { ASSERT_NOT_REACHED(); return jsUndefined(); } } #endif // ENABLE(STREAMS_API)