2 * Copyright (C) 2O15 Canon Inc. 2015
3 * Copyright (C) 2015 Igalia S.L. 2015
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted, provided that the following conditions
7 * are required to be met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of Canon Inc. nor the names of
15 * its contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #ifndef ReadableJSStream_h
31 #define ReadableJSStream_h
33 #if ENABLE(STREAMS_API)
35 #include "ReadableStream.h"
36 #include <heap/Strong.h>
37 #include <heap/StrongInlines.h>
38 #include <runtime/JSCJSValue.h>
39 #include <runtime/PrivateName.h>
40 #include <wtf/Deque.h>
45 class JSDOMGlobalObject;
46 class ReadableStreamController;
48 class ReadableJSStream: public ReadableStream {
50 static RefPtr<ReadableJSStream> create(JSC::ExecState&, ScriptExecutionContext&);
52 JSC::JSValue jsController(JSC::ExecState&, JSDOMGlobalObject*);
54 void storeError(JSC::ExecState&);
55 JSC::JSValue error() { return m_error.get(); }
57 void enqueue(JSC::ExecState&);
60 ReadableJSStream(ScriptExecutionContext&, JSC::ExecState&, JSC::JSObject*);
62 void doStart(JSC::ExecState&);
64 JSC::JSValue invoke(JSC::ExecState&, const char*);
66 virtual bool hasValue() const override;
67 virtual JSC::JSValue read() override;
69 JSDOMGlobalObject* globalObject();
71 std::unique_ptr<ReadableStreamController> m_controller;
72 JSC::Strong<JSC::Unknown> m_error;
73 JSC::Strong<JSC::JSObject> m_source;
74 Deque<JSC::Strong<JSC::Unknown>> m_chunkQueue;
77 } // namespace WebCore
79 #endif // ENABLE(STREAMS_API)
81 #endif // ReadableJSStream_h