RemoteWindowData.h

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/* @@@LICENSE
*
*      Copyright (c) 2010-2012 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* LICENSE@@@ */




#ifndef REMOTEWINDOWDATA_H
#define REMOTEWINDOWDATA_H

#include "Common.h"

#include <QRect>

#include "CardWebApp.h"

class PIpcChannel;
class PGContext;
class PIpcBuffer;
class QPainter;
namespace Palm {
        class WebGLES2Context;
}

class RemoteWindowData
{
public:

        RemoteWindowData() : m_channel(0)
                                           , m_metaDataBuffer(0)
                                           , m_supportsDirectRendering(false)
        {}

        virtual ~RemoteWindowData() {}

        virtual void setWindowMetaDataBuffer(PIpcBuffer* metaDataBuffer) = 0;

        virtual bool isValid() const { return true; }
        virtual int key() const = 0;
        virtual int width() const = 0;
        virtual int height() const = 0;
        virtual bool hasAlpha() const = 0;
        virtual bool needsClear() const = 0;
        virtual bool supportsPartialUpdates() const { return true; }

        virtual void flip() = 0;

        virtual PGContext* renderingContext() = 0;
    virtual QPainter* qtRenderingContext() { return 0; }
        virtual Palm::WebGLES2Context* getGLES2Context() { return 0; }
        virtual void translate(int x, int y) { }
        virtual void rotate(int degrees) { }
        virtual void beginPaint() = 0;
        virtual void endPaint(bool preserveOnFlip, const QRect& rect, bool flipBuffers = true) = 0;
        virtual void sendWindowUpdate(int x, int y, int w, int h) = 0;

        virtual bool hasDirectRendering() const { return false; }
        virtual bool directRenderingAllowed(bool val) = 0;

        void setChannel(PIpcChannel* channel) { m_channel = channel; }

        virtual void resize(int newWidth, int newHeight) = 0;
        virtual void clear() = 0;

        void setSupportsDirectRendering(bool val);
        bool supportsDirectRendering() const;

protected:

        PIpcChannel* m_channel;
        PIpcBuffer* m_metaDataBuffer;
        bool m_supportsDirectRendering;
};

class RemoteWindowDataFactory
{
public:

        static RemoteWindowData* generate(int width, int height, bool hasAlpha);
};

#endif /* REMOTEWINDOWDATA_H */