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****************************************************************************/

#ifndef QBBSCREEN_H
#define QBBSCREEN_H

#include <QtGui/QPlatformScreen>

#include "qbbrootwindow.h"

#include <screen/screen.h>

QT_BEGIN_NAMESPACE

class QBBWindow;

class QBBScreen : public QPlatformScreen
{
    Q_OBJECT
public:
    QBBScreen(screen_context_t context, screen_display_t display, int screenIndex);
    virtual ~QBBScreen();

    virtual QRect geometry() const { return mCurrentGeometry; }
    virtual QRect availableGeometry() const;
    virtual int depth() const;
    virtual QImage::Format format() const { return (depth() == 32) ? QImage::Format_RGB32 : QImage::Format_RGB16; }
    virtual QSize physicalSize() const { return mCurrentPhysicalSize; }

    int rotation() const { return mCurrentRotation; }

    int nativeFormat() const { return (depth() == 32) ? SCREEN_FORMAT_RGBA8888 : SCREEN_FORMAT_RGB565; }
    screen_display_t nativeDisplay() const { return mDisplay; }
    screen_context_t nativeContext() const { return mContext; }
    const char *windowGroupName() const { return mRootWindow->groupName().constData(); }

    QBBWindow *findWindow(screen_window_t windowHandle);

    /* Window hierarchy management */
    void addWindow(QBBWindow* child);
    void removeWindow(QBBWindow* child);
    void raiseWindow(QBBWindow* window);
    void lowerWindow(QBBWindow* window);
    void updateHierarchy();

    void onWindowPost(QBBWindow* window);
    void ensureDisplayCreated();

    QSharedPointer<QBBRootWindow> rootWindow() const { return mRootWindow; }

public Q_SLOTS:
    void setRotation(int rotation);
    void newWindowCreated(screen_window_t window);
    void windowClosed(screen_window_t window);
    void activateWindowGroup(const QByteArray &id);
    void deactivateWindowGroup(const QByteArray &id);

private Q_SLOTS:
    void keyboardHeightChanged(int height);

private:
    void resizeNativeWidgetWindow(QBBWindow *w, const QRect &previousScreenGeometry) const;
    void resizeTopLevelWindow(QBBWindow *w, const QRect &previousScreenGeometry) const;
    void resizeWindows(const QRect &previousScreenGeometry);
    void addOverlayWindow(screen_window_t window);
    void removeOverlayWindow(screen_window_t window);

    screen_context_t mContext;
    screen_display_t mDisplay;
    QSharedPointer<QBBRootWindow> mRootWindow;
    bool mPosted;
    bool mUsingOpenGL;
    bool mPrimaryDisplay;

    int mStartRotation;
    int mCurrentRotation;
    int mKeyboardHeight;
    QSize mStartPhysicalSize;
    QSize mCurrentPhysicalSize;
    QRect mStartGeometry;
    QRect mCurrentGeometry;

    QList<QBBWindow*> mChildren;
    QList<screen_window_t> mOverlays;
    int mScreenIndex;

    bool isPrimaryDisplay() { return mPrimaryDisplay; }
};

QT_END_NAMESPACE

#endif // QBBSCREEN_H