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/*
* 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 "RemoteScrollingTree.h"
#if ENABLE(UI_SIDE_COMPOSITING)
#include "RemoteLayerTreeHost.h"
#include "RemoteScrollingCoordinatorProxy.h"
#include <WebCore/ScrollingTreeFixedNode.h>
#include <WebCore/ScrollingTreeFrameHostingNode.h>
#include <WebCore/ScrollingTreeOverflowScrollProxyNode.h>
#include <WebCore/ScrollingTreePositionedNode.h>
#include <WebCore/ScrollingTreeStickyNodeCocoa.h>
#if PLATFORM(IOS_FAMILY)
#include "ScrollingTreeFrameScrollingNodeRemoteIOS.h"
#include "ScrollingTreeOverflowScrollingNodeIOS.h"
#else
#include "ScrollingTreeFrameScrollingNodeRemoteMac.h"
#include "ScrollingTreeOverflowScrollingNodeRemoteMac.h"
#endif
namespace WebKit {
using namespace WebCore;
Ref<RemoteScrollingTree> RemoteScrollingTree::create(RemoteScrollingCoordinatorProxy& scrollingCoordinator)
{
return adoptRef(*new RemoteScrollingTree(scrollingCoordinator));
}
RemoteScrollingTree::RemoteScrollingTree(RemoteScrollingCoordinatorProxy& scrollingCoordinator)
: m_scrollingCoordinatorProxy(scrollingCoordinator)
{
}
RemoteScrollingTree::~RemoteScrollingTree()
{
}
#if PLATFORM(MAC)
void RemoteScrollingTree::handleWheelEventPhase(ScrollingNodeID, PlatformWheelEventPhase)
{
// FIXME: hand off to m_scrollingCoordinatorProxy?
}
#endif
#if PLATFORM(IOS_FAMILY)
void RemoteScrollingTree::scrollingTreeNodeWillStartPanGesture(ScrollingNodeID nodeID)
{
m_scrollingCoordinatorProxy.scrollingTreeNodeWillStartPanGesture(nodeID);
}
void RemoteScrollingTree::scrollingTreeNodeWillStartScroll(ScrollingNodeID nodeID)
{
m_scrollingCoordinatorProxy.scrollingTreeNodeWillStartScroll(nodeID);
}
void RemoteScrollingTree::scrollingTreeNodeDidEndScroll(ScrollingNodeID nodeID)
{
m_scrollingCoordinatorProxy.scrollingTreeNodeDidEndScroll(nodeID);
}
#endif
void RemoteScrollingTree::scrollingTreeNodeDidScroll(ScrollingTreeScrollingNode& node, ScrollingLayerPositionAction scrollingLayerPositionAction)
{
std::optional<FloatPoint> layoutViewportOrigin;
if (is<ScrollingTreeFrameScrollingNode>(node))
layoutViewportOrigin = downcast<ScrollingTreeFrameScrollingNode>(node).layoutViewport().location();
m_scrollingCoordinatorProxy.scrollingTreeNodeDidScroll(node.scrollingNodeID(), node.currentScrollPosition(), layoutViewportOrigin, scrollingLayerPositionAction);
}
void RemoteScrollingTree::scrollingTreeNodeDidStopAnimatedScroll(ScrollingTreeScrollingNode& node)
{
m_scrollingCoordinatorProxy.scrollingTreeNodeDidStopAnimatedScroll(node.scrollingNodeID());
}
bool RemoteScrollingTree::scrollingTreeNodeRequestsScroll(ScrollingNodeID nodeID, const RequestedScrollData& request)
{
return m_scrollingCoordinatorProxy.scrollingTreeNodeRequestsScroll(nodeID, request);
}
Ref<ScrollingTreeNode> RemoteScrollingTree::createScrollingTreeNode(ScrollingNodeType nodeType, ScrollingNodeID nodeID)
{
switch (nodeType) {
case ScrollingNodeType::MainFrame:
case ScrollingNodeType::Subframe:
#if PLATFORM(IOS_FAMILY)
return ScrollingTreeFrameScrollingNodeRemoteIOS::create(*this, nodeType, nodeID);
#else
return ScrollingTreeFrameScrollingNodeRemoteMac::create(*this, nodeType, nodeID);
#endif
case ScrollingNodeType::FrameHosting:
return ScrollingTreeFrameHostingNode::create(*this, nodeID);
case ScrollingNodeType::Overflow:
#if PLATFORM(IOS_FAMILY)
return ScrollingTreeOverflowScrollingNodeIOS::create(*this, nodeID);
#else
return ScrollingTreeOverflowScrollingNodeRemoteMac::create(*this, nodeID);
#endif
case ScrollingNodeType::OverflowProxy:
return ScrollingTreeOverflowScrollProxyNode::create(*this, nodeID);
case ScrollingNodeType::Fixed:
return ScrollingTreeFixedNode::create(*this, nodeID);
case ScrollingNodeType::Sticky:
return ScrollingTreeStickyNodeCocoa::create(*this, nodeID);
case ScrollingNodeType::Positioned:
return ScrollingTreePositionedNode::create(*this, nodeID);
}
ASSERT_NOT_REACHED();
return ScrollingTreeFixedNode::create(*this, nodeID);
}
void RemoteScrollingTree::currentSnapPointIndicesDidChange(ScrollingNodeID nodeID, std::optional<unsigned> horizontal, std::optional<unsigned> vertical)
{
m_scrollingCoordinatorProxy.currentSnapPointIndicesDidChange(nodeID, horizontal, vertical);
}
void RemoteScrollingTree::handleMouseEvent(const WebCore::PlatformMouseEvent& event)
{
#if PLATFORM(MAC)
if (!rootNode())
return;
static_cast<ScrollingTreeFrameScrollingNodeRemoteMac&>(*rootNode()).handleMouseEvent(event);
#else
UNUSED_PARAM(event);
#endif
}
} // namespace WebKit
#endif // ENABLE(UI_SIDE_COMPOSITING)
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