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/*
* 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(THREADED_SCROLLING)
#include "ScrollingStateTree.h"
namespace WebCore {
ScrollingTreeScrollingNode::ScrollingTreeScrollingNode(ScrollingTree* scrollingTree)
: ScrollingTreeNode(scrollingTree)
, m_shouldUpdateScrollLayerPositionOnMainThread(0)
, m_horizontalScrollElasticity(ScrollElasticityNone)
, m_verticalScrollElasticity(ScrollElasticityNone)
, m_hasEnabledHorizontalScrollbar(false)
, m_hasEnabledVerticalScrollbar(false)
, m_horizontalScrollbarMode(ScrollbarAuto)
, m_verticalScrollbarMode(ScrollbarAuto)
{
}
ScrollingTreeScrollingNode::~ScrollingTreeScrollingNode()
{
}
void ScrollingTreeScrollingNode::update(ScrollingStateNode* stateNode)
{
ScrollingStateScrollingNode* state = toScrollingStateScrollingNode(stateNode);
if (state->changedProperties() & ScrollingStateScrollingNode::ViewportRect)
m_viewportRect = state->viewportRect();
if (state->changedProperties() & ScrollingStateScrollingNode::ContentsSize)
m_contentsSize = state->contentsSize();
if (state->changedProperties() & ScrollingStateScrollingNode::ShouldUpdateScrollLayerPositionOnMainThread)
m_shouldUpdateScrollLayerPositionOnMainThread = state->shouldUpdateScrollLayerPositionOnMainThread();
if (state->changedProperties() & ScrollingStateScrollingNode::HorizontalScrollElasticity)
m_horizontalScrollElasticity = state->horizontalScrollElasticity();
if (state->changedProperties() & ScrollingStateScrollingNode::VerticalScrollElasticity)
m_verticalScrollElasticity = state->verticalScrollElasticity();
if (state->changedProperties() & ScrollingStateScrollingNode::HasEnabledHorizontalScrollbar)
m_hasEnabledHorizontalScrollbar = state->hasEnabledHorizontalScrollbar();
if (state->changedProperties() & ScrollingStateScrollingNode::HasEnabledVerticalScrollbar)
m_hasEnabledVerticalScrollbar = state->hasEnabledVerticalScrollbar();
if (state->changedProperties() & ScrollingStateScrollingNode::HorizontalScrollbarMode)
m_horizontalScrollbarMode = state->horizontalScrollbarMode();
if (state->changedProperties() & ScrollingStateScrollingNode::VerticalScrollbarMode)
m_verticalScrollbarMode = state->verticalScrollbarMode();
if (state->changedProperties() & ScrollingStateScrollingNode::ScrollOrigin)
m_scrollOrigin = state->scrollOrigin();
}
} // namespace WebCore
#endif // ENABLE(THREADED_SCROLLING)
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