1/*
2 * Copyright (C) 2016 Canon Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted, provided that the following conditions
6 * are required to be met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Canon Inc. nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "JSReadableStreamSource.h"
31
32#if ENABLE(STREAMS_API)
33
34
35namespace WebCore {
36using namespace JSC;
37
38JSValue JSReadableStreamSource::start(ExecState& state, Ref<DeferredPromise>&& promise)
39{
40 VM& vm = state.vm();
41
42 // FIXME: Why is it ok to ASSERT the argument count here?
43 ASSERT(state.argumentCount());
44 JSReadableStreamDefaultController* controller = jsDynamicCast<JSReadableStreamDefaultController*>(vm, state.uncheckedArgument(0));
45 ASSERT(controller);
46
47 m_controller.set(vm, this, controller);
48
49 wrapped().start(ReadableStreamDefaultController(controller), WTFMove(promise));
50
51 return jsUndefined();
52}
53
54JSValue JSReadableStreamSource::pull(ExecState&, Ref<DeferredPromise>&& promise)
55{
56 wrapped().pull(WTFMove(promise));
57 return jsUndefined();
58}
59
60JSValue JSReadableStreamSource::controller(ExecState&) const
61{
62 ASSERT_NOT_REACHED();
63 return jsUndefined();
64}
65
66}
67
68#endif // ENABLE(STREAMS_API)
69