2 * Copyright (C) 2009 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, 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 COMPUTER, 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.
27 #include "ArrayBuffer.h"
29 #include "ArrayBufferView.h"
31 #include <wtf/RefPtr.h>
32 #include <wtf/Vector.h>
36 bool ArrayBuffer::transfer(ArrayBufferContents& result, Vector<RefPtr<ArrayBufferView> >& neuteredViews)
38 RefPtr<ArrayBuffer> keepAlive(this);
40 if (!m_contents.m_data) {
45 m_contents.transfer(result);
48 ArrayBufferView* current = m_firstView;
51 neuteredViews.append(current);
56 void ArrayBuffer::addView(ArrayBufferView* view)
58 view->m_buffer = this;
60 view->m_nextView = m_firstView;
62 m_firstView->m_prevView = view;
66 void ArrayBuffer::removeView(ArrayBufferView* view)
68 ASSERT(this == view->m_buffer);
70 view->m_nextView->m_prevView = view->m_prevView;
72 view->m_prevView->m_nextView = view->m_nextView;
73 if (m_firstView == view)
74 m_firstView = view->m_nextView;
75 view->m_prevView = view->m_nextView = 0;