/****************************************************************************
**
** Copyright (C) 2014 BogDan Vatra <bogdan@kde.org>
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used 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.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QANDROIDPLATFORMSCREEN_H
#define QANDROIDPLATFORMSCREEN_H

#include <qpa/qplatformscreen.h>
#include <QList>
#include <QPainter>
#include <QTimer>
#include <QWaitCondition>
#include <QtCore/private/qjni_p.h>

#include "androidsurfaceclient.h"

QT_BEGIN_NAMESPACE

class QAndroidPlatformWindow;
class QAndroidPlatformBackingStore;

class QAndroidPlatformScreen: public QObject, public QPlatformScreen, public AndroidSurfaceClient
{
    Q_OBJECT
public:
    QAndroidPlatformScreen();
    ~QAndroidPlatformScreen();

    QRect geometry() const { return m_geometry; }
    int depth() const { return m_depth; }
    QImage::Format format() const { return m_format; }
    QSizeF physicalSize() const { return m_physicalSize; }

    inline QWindow *topWindow() const;
    QWindow *topLevelAt(const QPoint & p) const;

    // compositor api
    void addWindow(QAndroidPlatformWindow *window);
    void removeWindow(QAndroidPlatformWindow *window);
    void raise(QAndroidPlatformWindow *window);
    void lower(QAndroidPlatformWindow *window);

    void scheduleUpdate();
    void topWindowChanged(QWindow *w);

public slots:
    void setDirty(const QRect &rect);
    void setPhysicalSize(const QSize &size);
    void setGeometry(const QRect &rect);

protected:
    typedef QList<QAndroidPlatformWindow *> WindowStackType;
    WindowStackType m_windowStack;
    QRegion m_repaintRegion;
    QTimer m_redrawTimer;

    QRect m_geometry;
    int m_depth;
    QImage::Format m_format;
    QSizeF m_physicalSize;

private:
    QDpi logicalDpi() const;
    Qt::ScreenOrientation orientation() const;
    Qt::ScreenOrientation nativeOrientation() const;
    void surfaceChanged(JNIEnv *env, jobject surface, int w, int h);

private slots:
    void doRedraw();

private:
    int m_id = -1;
    QJNIObjectPrivate m_surface;
    jobject m_bitmap = nullptr;
    QWaitCondition m_surfaceWaitCondition;
    int m_bitmapStride = -1;
    int m_bitmapWidth = -1;
    int m_bitmapHeight = -1;
};

QT_END_NAMESPACE
#endif