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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-10 09:28:39 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-10 09:28:39 +0000 |
commit | 32761a6cee1d0dee366b885b7b9c777e67885688 (patch) | |
tree | d6bec92bebfb216f4126356e55518842c2f476a1 /Source/WebCore/page/scrolling/ScrollingTreeScrollingNode.cpp | |
parent | a4e969f4965059196ca948db781e52f7cfebf19e (diff) | |
download | WebKitGtk-tarball-32761a6cee1d0dee366b885b7b9c777e67885688.tar.gz |
webkitgtk-2.4.11webkitgtk-2.4.11
Diffstat (limited to 'Source/WebCore/page/scrolling/ScrollingTreeScrollingNode.cpp')
-rw-r--r-- | Source/WebCore/page/scrolling/ScrollingTreeScrollingNode.cpp | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/Source/WebCore/page/scrolling/ScrollingTreeScrollingNode.cpp b/Source/WebCore/page/scrolling/ScrollingTreeScrollingNode.cpp deleted file mode 100644 index 8457e19c0..000000000 --- a/Source/WebCore/page/scrolling/ScrollingTreeScrollingNode.cpp +++ /dev/null @@ -1,130 +0,0 @@ -/* - * Copyright (C) 2012 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 "ScrollingTreeScrollingNode.h" - -#if ENABLE(ASYNC_SCROLLING) - -#include "ScrollingStateTree.h" -#include "ScrollingTree.h" - -namespace WebCore { - -ScrollingTreeScrollingNode::ScrollingTreeScrollingNode(ScrollingTree& scrollingTree, ScrollingNodeType nodeType, ScrollingNodeID nodeID) - : ScrollingTreeNode(scrollingTree, nodeType, nodeID) -{ -} - -ScrollingTreeScrollingNode::~ScrollingTreeScrollingNode() -{ -} - -void ScrollingTreeScrollingNode::updateBeforeChildren(const ScrollingStateNode& stateNode) -{ - const ScrollingStateScrollingNode& state = downcast<ScrollingStateScrollingNode>(stateNode); - - if (state.hasChangedProperty(ScrollingStateScrollingNode::ScrollableAreaSize)) - m_scrollableAreaSize = state.scrollableAreaSize(); - - if (state.hasChangedProperty(ScrollingStateScrollingNode::TotalContentsSize)) { - if (scrollingTree().isRubberBandInProgress()) - m_totalContentsSizeForRubberBand = m_totalContentsSize; - else - m_totalContentsSizeForRubberBand = state.totalContentsSize(); - - m_totalContentsSize = state.totalContentsSize(); - } - - if (state.hasChangedProperty(ScrollingStateScrollingNode::ReachableContentsSize)) - m_reachableContentsSize = state.reachableContentsSize(); - - if (state.hasChangedProperty(ScrollingStateScrollingNode::ScrollPosition)) - m_lastCommittedScrollPosition = state.scrollPosition(); - - if (state.hasChangedProperty(ScrollingStateScrollingNode::ScrollOrigin)) - m_scrollOrigin = state.scrollOrigin(); - -#if ENABLE(CSS_SCROLL_SNAP) - if (state.hasChangedProperty(ScrollingStateScrollingNode::HorizontalSnapOffsets)) - m_horizontalSnapOffsets = state.horizontalSnapOffsets(); - - if (state.hasChangedProperty(ScrollingStateScrollingNode::VerticalSnapOffsets)) - m_verticalSnapOffsets = state.verticalSnapOffsets(); - - if (state.hasChangedProperty(ScrollingStateScrollingNode::CurrentHorizontalSnapOffsetIndex)) - m_currentHorizontalSnapPointIndex = state.currentHorizontalSnapPointIndex(); - - if (state.hasChangedProperty(ScrollingStateScrollingNode::CurrentVerticalSnapOffsetIndex)) - m_currentVerticalSnapPointIndex = state.currentVerticalSnapPointIndex(); -#endif - - if (state.hasChangedProperty(ScrollingStateScrollingNode::ScrollableAreaParams)) - m_scrollableAreaParameters = state.scrollableAreaParameters(); -} - -void ScrollingTreeScrollingNode::updateAfterChildren(const ScrollingStateNode& stateNode) -{ - const ScrollingStateScrollingNode& scrollingStateNode = downcast<ScrollingStateScrollingNode>(stateNode); - if (scrollingStateNode.hasChangedProperty(ScrollingStateScrollingNode::RequestedScrollPosition)) - scrollingTree().scrollingTreeNodeRequestsScroll(scrollingNodeID(), scrollingStateNode.requestedScrollPosition(), scrollingStateNode.requestedScrollPositionRepresentsProgrammaticScroll()); -} - -void ScrollingTreeScrollingNode::updateLayersAfterAncestorChange(const ScrollingTreeNode& changedNode, const FloatRect& fixedPositionRect, const FloatSize& cumulativeDelta) -{ - if (!m_children) - return; - - for (auto& child : *m_children) - child->updateLayersAfterAncestorChange(changedNode, fixedPositionRect, cumulativeDelta); -} - -void ScrollingTreeScrollingNode::setScrollPosition(const FloatPoint& scrollPosition) -{ - FloatPoint newScrollPosition = scrollPosition.constrainedBetween(minimumScrollPosition(), maximumScrollPosition()); - setScrollPositionWithoutContentEdgeConstraints(newScrollPosition); -} - -void ScrollingTreeScrollingNode::setScrollPositionWithoutContentEdgeConstraints(const FloatPoint& scrollPosition) -{ - setScrollLayerPosition(scrollPosition); - scrollingTree().scrollingTreeNodeDidScroll(scrollingNodeID(), scrollPosition); -} - -FloatPoint ScrollingTreeScrollingNode::minimumScrollPosition() const -{ - return FloatPoint(); -} - -FloatPoint ScrollingTreeScrollingNode::maximumScrollPosition() const -{ - FloatPoint contentSizePoint(totalContentsSize()); - return FloatPoint(contentSizePoint - scrollableAreaSize()).expandedTo(FloatPoint()); -} - - -} // namespace WebCore - -#endif // ENABLE(ASYNC_SCROLLING) |