/* * Copyright (C) 2018 Igalia S.L. * * 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT * HOLDER OR 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 "ScrollingTreeCoordinatedGraphics.h" #if ENABLE(ASYNC_SCROLLING) && USE(COORDINATED_GRAPHICS) #include "ScrollingTreeFixedNode.h" #include "ScrollingTreeFrameScrollingNodeCoordinatedGraphics.h" #include "ScrollingTreeStickyNode.h" namespace WebCore { Ref<ScrollingTreeCoordinatedGraphics> ScrollingTreeCoordinatedGraphics::create(AsyncScrollingCoordinator& scrollingCoordinator) { return adoptRef(*new ScrollingTreeCoordinatedGraphics(scrollingCoordinator)); } ScrollingTreeCoordinatedGraphics::ScrollingTreeCoordinatedGraphics(AsyncScrollingCoordinator& scrollingCoordinator) : ThreadedScrollingTree(scrollingCoordinator) { } Ref<ScrollingTreeNode> ScrollingTreeCoordinatedGraphics::createScrollingTreeNode(ScrollingNodeType nodeType, ScrollingNodeID nodeID) { switch (nodeType) { case MainFrameScrollingNode: case SubframeScrollingNode: return ScrollingTreeFrameScrollingNodeCoordinatedGraphics::create(*this, nodeType, nodeID); case OverflowScrollingNode: // Should not be reached -- caught by ASSERT_NOT_REACHED() below. break; case FixedNode: return ScrollingTreeFixedNode::create(*this, nodeID); case StickyNode: return ScrollingTreeStickyNode::create(*this, nodeID); } RELEASE_ASSERT_NOT_REACHED(); } } // namespace WebCore #endif // ENABLE(ASYNC_SCROLLING) && USE(COORDINATED_GRAPHICS)