1/*
2 * Copyright (C) 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WebCoreTypedArrayController_h
27#define WebCoreTypedArrayController_h
28
29#include <runtime/JSGlobalObject.h>
30#include <runtime/TypedArrayController.h>
31
32namespace JSC {
33class WeakHandleOwner;
34}
35
36namespace WebCore {
37
38class WebCoreTypedArrayController : public JSC::TypedArrayController {
39public:
40    WebCoreTypedArrayController();
41    virtual ~WebCoreTypedArrayController();
42
43    virtual JSC::JSArrayBuffer* toJS(JSC::ExecState*, JSC::JSGlobalObject*, JSC::ArrayBuffer*) override;
44
45    JSC::WeakHandleOwner* wrapperOwner() { return &m_owner; }
46
47private:
48    class JSArrayBufferOwner : public JSC::WeakHandleOwner {
49    public:
50        virtual bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::SlotVisitor&) override;
51        virtual void finalize(JSC::Handle<JSC::Unknown>, void* context) override;
52    };
53
54    JSArrayBufferOwner m_owner;
55};
56
57} // namespace WebCore
58
59#endif // WebCoreTypedArrayController_h
60
61