blob: ec201c2bfcd8116da354dcd00145a1453a342855 [file] [log] [blame]
/*
* 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 "RemoteGraphicsLayer.h"
#include "RemoteLayerTreeContext.h"
#include "RemoteLayerTreeTransaction.h"
#include <WebCore/FloatRect.h>
#include <wtf/text/CString.h>
using namespace WebCore;
namespace WebKit {
static uint64_t generateLayerID()
{
static uint64_t layerID;
return ++layerID;
}
PassOwnPtr<GraphicsLayer> RemoteGraphicsLayer::create(GraphicsLayerClient* client, RemoteLayerTreeContext* context)
{
return adoptPtr(new RemoteGraphicsLayer(client, context));
}
RemoteGraphicsLayer::RemoteGraphicsLayer(GraphicsLayerClient* client, RemoteLayerTreeContext* context)
: GraphicsLayer(client)
, m_layerID(generateLayerID())
, m_context(context)
, m_uncommittedLayerChanges(RemoteLayerTreeTransaction::NoChange)
{
}
RemoteGraphicsLayer::~RemoteGraphicsLayer()
{
willBeDestroyed();
}
void RemoteGraphicsLayer::setName(const String& name)
{
String longName = String::format("RemoteGraphicsLayer(%p) ", this) + name;
GraphicsLayer::setName(longName);
noteLayerPropertiesChanged(RemoteLayerTreeTransaction::NameChanged);
}
bool RemoteGraphicsLayer::setChildren(const Vector<GraphicsLayer*>& children)
{
if (GraphicsLayer::setChildren(children)) {
noteSublayersChanged();
return true;
}
return false;
}
void RemoteGraphicsLayer::addChild(GraphicsLayer* childLayer)
{
GraphicsLayer::addChild(childLayer);
noteSublayersChanged();
}
void RemoteGraphicsLayer::addChildAtIndex(GraphicsLayer* childLayer, int index)
{
GraphicsLayer::addChildAtIndex(childLayer, index);
noteSublayersChanged();
}
void RemoteGraphicsLayer::addChildAbove(GraphicsLayer* childLayer, GraphicsLayer* sibling)
{
GraphicsLayer::addChildAbove(childLayer, sibling);
noteSublayersChanged();
}
void RemoteGraphicsLayer::addChildBelow(GraphicsLayer* childLayer, GraphicsLayer* sibling)
{
GraphicsLayer::addChildBelow(childLayer, sibling);
noteSublayersChanged();
}
bool RemoteGraphicsLayer::replaceChild(GraphicsLayer* oldChild, GraphicsLayer* newChild)
{
if (GraphicsLayer::replaceChild(oldChild, newChild)) {
noteSublayersChanged();
return true;
}
return false;
}
void RemoteGraphicsLayer::removeFromParent()
{
if (m_parent)
static_cast<RemoteGraphicsLayer*>(m_parent)->noteSublayersChanged();
GraphicsLayer::removeFromParent();
}
void RemoteGraphicsLayer::setPosition(const FloatPoint& position)
{
if (position == m_position)
return;
GraphicsLayer::setPosition(position);
noteLayerPropertiesChanged(RemoteLayerTreeTransaction::PositionChanged);
}
void RemoteGraphicsLayer::setSize(const FloatSize& size)
{
if (size == m_size)
return;
GraphicsLayer::setSize(size);
noteLayerPropertiesChanged(RemoteLayerTreeTransaction::SizeChanged);
}
void RemoteGraphicsLayer::setNeedsDisplay()
{
FloatRect hugeRect(-std::numeric_limits<float>::max() / 2, -std::numeric_limits<float>::max() / 2,
std::numeric_limits<float>::max(), std::numeric_limits<float>::max());
setNeedsDisplayInRect(hugeRect);
}
void RemoteGraphicsLayer::setNeedsDisplayInRect(const FloatRect&)
{
// FIXME: Implement this.
}
void RemoteGraphicsLayer::flushCompositingState(const FloatRect&)
{
recursiveCommitChanges();
}
void RemoteGraphicsLayer::flushCompositingStateForThisLayerOnly()
{
if (!m_uncommittedLayerChanges)
return;
m_context->currentTransaction().layerPropertiesChanged(this, m_uncommittedLayerChanges);
m_uncommittedLayerChanges = RemoteLayerTreeTransaction::NoChange;
}
void RemoteGraphicsLayer::willBeDestroyed()
{
m_context->layerWillBeDestroyed(this);
GraphicsLayer::willBeDestroyed();
}
void RemoteGraphicsLayer::noteLayerPropertiesChanged(unsigned layerChanges)
{
if (!m_uncommittedLayerChanges && m_client)
m_client->notifyFlushRequired(this);
m_uncommittedLayerChanges |= layerChanges;
}
void RemoteGraphicsLayer::noteSublayersChanged()
{
noteLayerPropertiesChanged(RemoteLayerTreeTransaction::ChildrenChanged);
// FIXME: Handle replica layers.
}
void RemoteGraphicsLayer::recursiveCommitChanges()
{
flushCompositingStateForThisLayerOnly();
for (size_t i = 0; i < children().size(); ++i) {
RemoteGraphicsLayer* graphicsLayer = static_cast<RemoteGraphicsLayer*>(children()[i]);
graphicsLayer->recursiveCommitChanges();
}
}
} // namespace WebKit