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#include "qeglfshooks.h"
#include "androidjnimain.h"
#include "qandroidplatformintegration.h"

#include <android/native_window.h>
#include <jni.h>

QT_BEGIN_NAMESPACE

class QEglFSAndroidHooks: public QEglFSHooks
{
public:
    void platformInit();
    void platformDestroy();
    EGLNativeDisplayType platformDisplay() const;
    QSize screenSize() const;
    QSizeF physicalScreenSize() const;
    QDpi logicalDpi() const;
    Qt::ScreenOrientation orientation() const;
    Qt::ScreenOrientation nativeOrientation() const;
    int screenDepth() const;
    QSurfaceFormat surfaceFormatFor(const QSurfaceFormat &inputFormat) const;
    EGLNativeWindowType createNativeWindow(QPlatformWindow *platformWindow, const QSize &size, const QSurfaceFormat &format);
    void destroyNativeWindow(EGLNativeWindowType window);
    bool hasCapability(QPlatformIntegration::Capability cap) const;
    QEglFSCursor *createCursor(QEglFSScreen *screen) const;
};

void QEglFSAndroidHooks::platformInit()
{
}

void QEglFSAndroidHooks::platformDestroy()
{
}

EGLNativeDisplayType QEglFSAndroidHooks::platformDisplay() const
{
    return EGL_DEFAULT_DISPLAY;
}

QSize QEglFSAndroidHooks::screenSize() const
{
    return QAndroidPlatformIntegration::defaultDesktopSize();
}

QSizeF QEglFSAndroidHooks::physicalScreenSize() const
{
    return QSizeF(QAndroidPlatformIntegration::m_defaultPhysicalSizeWidth, QAndroidPlatformIntegration::m_defaultPhysicalSizeHeight);
}

QDpi QEglFSAndroidHooks::logicalDpi() const
{
    qreal lDpi = QtAndroid::scaledDensity() * 72;
    return QDpi(lDpi, lDpi);
}

Qt::ScreenOrientation QEglFSAndroidHooks::orientation() const
{
    return QAndroidPlatformIntegration::m_orientation;
}

Qt::ScreenOrientation QEglFSAndroidHooks::nativeOrientation() const
{
    return QAndroidPlatformIntegration::m_nativeOrientation;
}

EGLNativeWindowType QEglFSAndroidHooks::createNativeWindow(QPlatformWindow *platformWindow, const QSize &size, const QSurfaceFormat &format)
{
    Q_UNUSED(platformWindow);
    Q_UNUSED(size);
    Q_UNUSED(format);
    ANativeWindow *window = QtAndroid::nativeWindow();
    if (window != 0)
        ANativeWindow_acquire(window);

    return window;
}

void QEglFSAndroidHooks::destroyNativeWindow(EGLNativeWindowType window)
{
    if (window != 0)
        ANativeWindow_release(window);
}

bool QEglFSAndroidHooks::hasCapability(QPlatformIntegration::Capability capability) const
{
    switch (capability) {
    case QPlatformIntegration::OpenGL: return true;
    case QPlatformIntegration::ThreadedOpenGL: return true;
    default: return false;
    };
}

int QEglFSAndroidHooks::screenDepth() const
{
    // ### Hardcoded
    return 32;
}

QSurfaceFormat QEglFSAndroidHooks::surfaceFormatFor(const QSurfaceFormat &inputFormat) const
{
    QSurfaceFormat ret(inputFormat);
    ret.setAlphaBufferSize(8);
    ret.setRedBufferSize(8);
    ret.setGreenBufferSize(8);
    ret.setBlueBufferSize(8);
    return ret;
}

QEglFSCursor *QEglFSAndroidHooks::createCursor(QEglFSScreen *screen) const
{
    Q_UNUSED(screen);
    return 0;
}

static QEglFSAndroidHooks eglFSAndroidHooks;
QEglFSHooks *platformHooks = &eglFSAndroidHooks;

QT_END_NAMESPACE