ScrollingTreeMac.cpp [plain text]
#include "config.h"
#include "ScrollingTreeMac.h"
#include "ScrollingTreeFixedNode.h"
#include "ScrollingTreeFrameHostingNode.h"
#include "ScrollingTreeFrameScrollingNodeMac.h"
#include "ScrollingTreeOverflowScrollProxyNode.h"
#include "ScrollingTreeOverflowScrollingNodeMac.h"
#include "ScrollingTreePositionedNode.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 ScrollingNodeType::MainFrame:
case ScrollingNodeType::Subframe:
return ScrollingTreeFrameScrollingNodeMac::create(*this, nodeType, nodeID);
case ScrollingNodeType::FrameHosting:
return ScrollingTreeFrameHostingNode::create(*this, nodeID);
case ScrollingNodeType::Overflow:
return ScrollingTreeOverflowScrollingNodeMac::create(*this, nodeID);
case ScrollingNodeType::OverflowProxy:
return ScrollingTreeOverflowScrollProxyNode::create(*this, nodeID);
case ScrollingNodeType::Fixed:
return ScrollingTreeFixedNode::create(*this, nodeID);
case ScrollingNodeType::Sticky:
return ScrollingTreeStickyNode::create(*this, nodeID);
case ScrollingNodeType::Positioned:
return ScrollingTreePositionedNode::create(*this, nodeID);
}
ASSERT_NOT_REACHED();
return ScrollingTreeFixedNode::create(*this, nodeID);
}
#endif // ENABLE(ASYNC_SCROLLING) && PLATFORM(MAC)