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/*
Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#if USE(UI_SIDE_COMPOSITING)
#include "LayerTreeCoordinatorProxy.h"
#include "LayerTreeCoordinatorMessages.h"
#include "UpdateInfo.h"
#include "WebCoreArgumentCoders.h"
#include "WebLayerTreeInfo.h"
#include "WebLayerTreeRenderer.h"
#include "WebPageProxy.h"
#include "WebProcessProxy.h"
namespace WebKit {
using namespace WebCore;
LayerTreeCoordinatorProxy::LayerTreeCoordinatorProxy(DrawingAreaProxy* drawingAreaProxy)
: m_drawingAreaProxy(drawingAreaProxy)
, m_renderer(adoptRef(new WebLayerTreeRenderer(this)))
{
}
LayerTreeCoordinatorProxy::~LayerTreeCoordinatorProxy()
{
m_renderer->detach();
}
void LayerTreeCoordinatorProxy::updateViewport()
{
m_drawingAreaProxy->updateViewport();
}
void LayerTreeCoordinatorProxy::dispatchUpdate(const Function<void()>& function)
{
m_renderer->appendUpdate(function);
}
void LayerTreeCoordinatorProxy::createTileForLayer(int layerID, int tileID, const IntRect& targetRect, const WebKit::SurfaceUpdateInfo& updateInfo)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::createTile, m_renderer.get(), layerID, tileID, updateInfo.scaleFactor));
updateTileForLayer(layerID, tileID, targetRect, updateInfo);
}
static inline uint64_t createLayerTileUniqueKey(int layerID, int tileID)
{
uint64_t key = layerID;
key <<= 32;
key |= tileID;
return key;
}
void LayerTreeCoordinatorProxy::updateTileForLayer(int layerID, int tileID, const IntRect& targetRect, const WebKit::SurfaceUpdateInfo& updateInfo)
{
RefPtr<ShareableSurface> surface;
#if USE(GRAPHICS_SURFACE)
uint64_t key = createLayerTileUniqueKey(layerID, tileID);
HashMap<uint64_t, RefPtr<ShareableSurface> >::iterator it = m_surfaces.find(key);
if (it == m_surfaces.end()) {
surface = ShareableSurface::create(updateInfo.surfaceHandle);
m_surfaces.add(key, surface);
} else
surface = it->second;
#else
surface = ShareableSurface::create(updateInfo.surfaceHandle);
#endif
dispatchUpdate(bind(&WebLayerTreeRenderer::updateTile, m_renderer.get(), layerID, tileID, WebLayerTreeRenderer::TileUpdate(updateInfo.updateRect, targetRect, surface, updateInfo.surfaceOffset)));
}
void LayerTreeCoordinatorProxy::removeTileForLayer(int layerID, int tileID)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::removeTile, m_renderer.get(), layerID, tileID));
}
void LayerTreeCoordinatorProxy::deleteCompositingLayer(WebLayerID id)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::deleteLayer, m_renderer.get(), id));
updateViewport();
}
void LayerTreeCoordinatorProxy::setRootCompositingLayer(WebLayerID id)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::setRootLayerID, m_renderer.get(), id));
updateViewport();
}
void LayerTreeCoordinatorProxy::setCompositingLayerState(WebLayerID id, const WebLayerInfo& info)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::setLayerState, m_renderer.get(), id, info));
}
void LayerTreeCoordinatorProxy::setCompositingLayerChildren(WebLayerID id, const Vector<WebLayerID>& children)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::setLayerChildren, m_renderer.get(), id, children));
}
#if ENABLE(CSS_FILTERS)
void LayerTreeCoordinatorProxy::setCompositingLayerFilters(WebLayerID id, const FilterOperations& filters)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::setLayerFilters, m_renderer.get(), id, filters));
}
#endif
void LayerTreeCoordinatorProxy::didRenderFrame()
{
dispatchUpdate(bind(&WebLayerTreeRenderer::flushLayerChanges, m_renderer.get()));
updateViewport();
}
void LayerTreeCoordinatorProxy::createDirectlyCompositedImage(int64_t key, const WebKit::ShareableBitmap::Handle& handle)
{
RefPtr<ShareableBitmap> bitmap = ShareableBitmap::create(handle);
dispatchUpdate(bind(&WebLayerTreeRenderer::createImage, m_renderer.get(), key, bitmap));
}
void LayerTreeCoordinatorProxy::destroyDirectlyCompositedImage(int64_t key)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::destroyImage, m_renderer.get(), key));
}
void LayerTreeCoordinatorProxy::setContentsSize(const FloatSize& contentsSize)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::setContentsSize, m_renderer.get(), contentsSize));
}
void LayerTreeCoordinatorProxy::setVisibleContentsRect(const IntRect& rect, float scale, const FloatPoint& trajectoryVector, const WebCore::FloatPoint& accurateVisibleContentsPosition)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::setVisibleContentsRect, m_renderer.get(), rect, scale, accurateVisibleContentsPosition));
m_drawingAreaProxy->page()->process()->send(Messages::LayerTreeCoordinator::SetVisibleContentsRect(rect, scale, trajectoryVector), m_drawingAreaProxy->page()->pageID());
}
void LayerTreeCoordinatorProxy::renderNextFrame()
{
m_drawingAreaProxy->page()->process()->send(Messages::LayerTreeCoordinator::RenderNextFrame(), m_drawingAreaProxy->page()->pageID());
}
void LayerTreeCoordinatorProxy::didChangeScrollPosition(const IntPoint& position)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::didChangeScrollPosition, m_renderer.get(), position));
}
void LayerTreeCoordinatorProxy::syncCanvas(uint32_t id, const IntSize& canvasSize, uint32_t graphicsSurfaceToken)
{
dispatchUpdate(bind(&WebLayerTreeRenderer::syncCanvas, m_renderer.get(), id, canvasSize, graphicsSurfaceToken));
}
void LayerTreeCoordinatorProxy::purgeBackingStores()
{
m_drawingAreaProxy->page()->process()->send(Messages::LayerTreeCoordinator::PurgeBackingStores(), m_drawingAreaProxy->page()->pageID());
}
}
#endif // USE(UI_SIDE_COMPOSITING)
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