src/libmeegotouchhome/switcherbuttonview.h (77822c6a538a385e93ee08e3ebe1a035d84aa14f)

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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of mhome.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation
** and appearing in the file LICENSE.LGPL included in the packaging
** of this file.
**
****************************************************************************/

#ifndef SWITCHERBUTTONVIEW_H
#define SWITCHERBUTTONVIEW_H

#include <MButtonView>
#include <QTimer>
#include "switcherbuttonmodel.h"
#include "switcherbuttonstyle.h"
#include "x11wrapper.h"

class SwitcherButton;
class XEventListener;

class SwitcherButtonView : public MButtonView
{
    Q_OBJECT
    M_VIEW(SwitcherButtonModel, SwitcherButtonStyle)

public:
    SwitcherButtonView(SwitcherButton *controller);

    virtual ~SwitcherButtonView();

    virtual void drawBackground(QPainter *painter, const QStyleOptionGraphicsItem *option) const;
    virtual void drawContents(QPainter *painter, const QStyleOptionGraphicsItem *option) const;
    virtual void applyStyle();

    bool windowFullyObscured(Window window);

protected slots:
    virtual void updateData(const QList<const char *>& modifications);

    virtual void damageEvent(Qt::HANDLE &damage, short &x, short &y, unsigned short &width, unsigned short &height);

    void setOnDisplay();

    void unsetOnDisplay();

private slots:
    void updateXWindowIconGeometry();

    void updateXWindowPixmap();

protected:
    void createDamage();

    void destroyDamage();

    virtual QPoint thumbnailPosition() const;

    virtual void setupModel();

    SwitcherButton *controller;

private:
    void updateXWindowIconGeometryIfNecessary() const;

    void updateViewMode();

#ifdef Q_WS_X11

    static int handleXError(Display *display, XErrorEvent *event);

    static bool badMatchOccurred;
#endif

    Pixmap xWindowPixmap;

    Damage xWindowPixmapDamage;

    QPixmap qWindowPixmap;

    QPointF dragStartPos;

    bool onDisplay;

    mutable QTimer updateXWindowIconGeometryTimer;

    QTimer updateXWindowPixmapRetryTimer;

    int updateXWindowPixmapRetryCount;

    QPointF updatedXWindowIconPosition;

    static Atom iconGeometryAtom;

    QSharedPointer<XEventListener> xEventListener;

#ifdef UNIT_TEST
    friend class Ut_SwitcherButtonView;
#endif

    Q_DISABLE_COPY(SwitcherButtonView);
};

#endif