blob: 649be4f59e35230daaac3c461c9b2fc7963505e3 [file] [log] [blame]
/*
* Copyright (C) 2014 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 APPLE INC. OR 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 "ScrollingTreeMac.h"
#include "ScrollingTreeFixedNode.h"
#include "ScrollingTreeFrameScrollingNodeMac.h"
#include "ScrollingTreeStickyNode.h"
#if ENABLE(ASYNC_SCROLLING) && PLATFORM(MAC)
using namespace WebCore;
Ref<ScrollingTreeMac> ScrollingTreeMac::create(AsyncScrollingCoordinator& scrollingCoordinator)
{
return adoptRef(*new ScrollingTreeMac(scrollingCoordinator));
}
ScrollingTreeMac::ScrollingTreeMac(AsyncScrollingCoordinator& scrollingCoordinator)
: ThreadedScrollingTree(scrollingCoordinator)
{
}
Ref<ScrollingTreeNode> ScrollingTreeMac::createScrollingTreeNode(ScrollingNodeType nodeType, ScrollingNodeID nodeID)
{
switch (nodeType) {
case MainFrameScrollingNode:
case SubframeScrollingNode:
return ScrollingTreeFrameScrollingNodeMac::create(*this, nodeType, nodeID);
case OverflowScrollingNode:
ASSERT_NOT_REACHED();
break;
case FixedNode:
return ScrollingTreeFixedNode::create(*this, nodeID);
case StickyNode:
return ScrollingTreeStickyNode::create(*this, nodeID);
}
ASSERT_NOT_REACHED();
return ScrollingTreeFixedNode::create(*this, nodeID);
}
#endif // ENABLE(ASYNC_SCROLLING) && PLATFORM(MAC)