| /* |
| * 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) |