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/*
Copyright (C) 2010 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.
*/
#ifndef WebLayerTreeInfo_h
#define WebLayerTreeInfo_h
#if USE(COORDINATED_GRAPHICS)
#include "ArgumentDecoder.h"
#include "ArgumentEncoder.h"
#include "FloatRect.h"
#include "FloatSize.h"
#include "GraphicsLayer.h"
namespace WebKit {
typedef uint32_t WebLayerID;
enum { InvalidWebLayerID = 0 };
typedef uint64_t CoordinatedImageBackingID;
enum { InvalidCoordinatedImageBackingID = 0 };
// NOTE: WebLayerInfo should only use POD types, as to make serialization faster.
struct WebLayerInfo {
WebLayerInfo()
: replica(InvalidWebLayerID)
, mask(InvalidWebLayerID)
, imageID(InvalidCoordinatedImageBackingID)
, opacity(0)
, flags(0) { }
WebLayerID replica;
WebLayerID mask;
CoordinatedImageBackingID imageID;
WebCore::FloatPoint pos;
WebCore::FloatPoint3D anchorPoint;
WebCore::FloatSize size;
WebCore::TransformationMatrix transform;
WebCore::TransformationMatrix childrenTransform;
WebCore::IntRect contentsRect;
float opacity;
union {
struct {
bool contentsOpaque : 1;
bool drawsContent : 1;
bool contentsVisible : 1;
bool backfaceVisible : 1;
bool masksToBounds : 1;
bool preserves3D : 1;
bool isRootLayer: 1;
bool fixedToViewport : 1;
};
unsigned int flags;
};
void encode(CoreIPC::ArgumentEncoder&) const;
static bool decode(CoreIPC::ArgumentDecoder*, WebLayerInfo&);
};
}
#endif // USE(ACCELERATED_COMPOSITING)
#endif // WebLayerTreeInfo_h
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