/*
    SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>

    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include "xdgshell_interface_p.h"

namespace KWayland
{
namespace Server
{

XdgShellInterface::Private::Private(XdgShellInterfaceVersion interfaceVersion, XdgShellInterface *q, Display *d, const wl_interface *interface, quint32 version)
    : Global::Private(d, interface, version)
    , interfaceVersion(interfaceVersion)
    , q(q)
{
}

void XdgShellInterface::Private::setupTimer(quint32 serial)
{
    QTimer *pingTimer = new QTimer();
    pingTimer->setSingleShot(false);
    pingTimer->setInterval(1000);
    int attempt = 0;
    connect(pingTimer, &QTimer::timeout, q, [this, serial, attempt]() mutable {
        ++attempt;
        if (attempt == 1) {
            emit q->pingDelayed(serial);
        } else {
            emit q->pingTimeout(serial);
            auto timerIt = pingTimers.find(serial);
            if (timerIt != pingTimers.end()) {
                delete timerIt.value();
                pingTimers.erase(timerIt);
            }
        }
    });

    pingTimers.insert(serial, pingTimer);
    pingTimer->start();
}

XdgShellInterface::XdgShellInterface(Private *d, QObject *parent)
    : Global(d, parent)
{
}

XdgShellInterface::~XdgShellInterface() = default;

XdgShellSurfaceInterface *XdgShellInterface::getSurface(wl_resource *native)
{
    Q_UNUSED(native)
    return nullptr;
}

XdgShellInterfaceVersion XdgShellInterface::interfaceVersion() const
{
    Q_D();
    return d->interfaceVersion;
}

quint32 XdgShellInterface::ping(XdgShellSurfaceInterface * surface)
{
    return d_func()->ping(surface);
}

XdgShellInterface::Private *XdgShellInterface::d_func() const
{
    return reinterpret_cast<Private*>(d.data());
}

XdgShellSurfaceInterface::Private::Private(XdgShellInterfaceVersion interfaceVersion, XdgShellSurfaceInterface *q, Global *c, SurfaceInterface *surface, wl_resource *parentResource, const wl_interface *interface, const void *implementation)
    : Resource::Private(q, c, parentResource, interface, implementation)
    , GenericShellSurface<XdgShellSurfaceInterface>(q, surface)
    , interfaceVersion(interfaceVersion)
{
}

XdgShellSurfaceInterface::Private::~Private() = default;

XdgShellSurfaceInterface::XdgShellSurfaceInterface(Private *p)
    : Resource(p)
{
}

XdgShellSurfaceInterface::~XdgShellSurfaceInterface() = default;

XdgShellInterfaceVersion XdgShellSurfaceInterface::interfaceVersion() const
{
    Q_D();
    return d->interfaceVersion;
}

quint32 XdgShellSurfaceInterface::configure(States states, const QSize &size)
{
    Q_D();
    return d->configure(states, size);
}

bool XdgShellSurfaceInterface::isConfigurePending() const
{
    Q_D();
    return !d->configureSerials.isEmpty();
}

SurfaceInterface *XdgShellSurfaceInterface::surface() const
{
    Q_D();
    return d->surface;
}

QString XdgShellSurfaceInterface::title() const
{
    Q_D();
    return d->title;
}

QByteArray XdgShellSurfaceInterface::windowClass() const
{
    Q_D();
    return d->windowClass;
}

bool XdgShellSurfaceInterface::isTransient() const
{
    Q_D();
    return !d->parent.isNull();
}

QPointer<XdgShellSurfaceInterface> XdgShellSurfaceInterface::transientFor() const
{
    Q_D();
    return d->parent;
}

void XdgShellSurfaceInterface::close()
{
    Q_D();
    d->close();
}

QRect XdgShellSurfaceInterface::windowGeometry() const
{
    Q_D();
    return d->windowGeometry();
}

QSize XdgShellSurfaceInterface::minimumSize() const
{
    Q_D();
    return d->minimumSize();
}

QSize XdgShellSurfaceInterface::maximumSize() const
{
    Q_D();
    return d->maximumSize();
}

XdgShellSurfaceInterface::Private *XdgShellSurfaceInterface::d_func() const
{
    return reinterpret_cast<Private*>(d.data());
}

XdgShellPopupInterface::Private::Private(XdgShellInterfaceVersion interfaceVersion, XdgShellPopupInterface *q, XdgShellInterface *c, SurfaceInterface *surface, wl_resource *parentResource, const wl_interface *interface, const void *implementation)
    : Resource::Private(q, c, parentResource, interface, implementation)
    , GenericShellSurface<XdgShellPopupInterface>(q, surface)
    , interfaceVersion(interfaceVersion)
{
}

XdgShellPopupInterface::Private::~Private() = default;

XdgShellPopupInterface::XdgShellPopupInterface(Private *p)
    : Resource(p)
{
}

XdgShellPopupInterface::~XdgShellPopupInterface() = default;

SurfaceInterface *XdgShellPopupInterface::surface() const
{
    Q_D();
    return d->surface;
}

QPointer<SurfaceInterface> XdgShellPopupInterface::transientFor() const
{
    Q_D();
    return d->parent;
}

QSize XdgShellPopupInterface::initialSize() const
{
    Q_D();
    return d->initialSize;
}

QPoint XdgShellPopupInterface::transientOffset() const
{
    QRect rect = anchorRect();
    const QPoint center = rect.isEmpty() ? rect.topLeft() : rect.center();
    rect = rect.adjusted(0,0,1,1); //compensate for the stupid QRect::right +1 fiasco

    switch(anchorEdge()) {
        case Qt::TopEdge | Qt::LeftEdge:
            return rect.topLeft();
        case Qt::TopEdge:
            return QPoint(center.x(), rect.y());
        case Qt::TopEdge | Qt::RightEdge:
            return rect.topRight();
        case Qt::RightEdge:
            return QPoint(rect.right(), center.y());
        case Qt::BottomEdge | Qt::RightEdge:
            return rect.bottomRight();
        case Qt::BottomEdge:
                return QPoint(center.x(), rect.bottom());
        case Qt::BottomEdge | Qt::LeftEdge:
            return rect.bottomLeft();
        case Qt::LeftEdge:
                return QPoint(rect.left(), center.y());
        default:
            return center;
    }
    Q_UNREACHABLE();
}

QRect XdgShellPopupInterface::anchorRect() const
{
    Q_D();
    return d->anchorRect;
}

Qt::Edges XdgShellPopupInterface::anchorEdge() const
{
    Q_D();
    return d->anchorEdge;
}

Qt::Edges XdgShellPopupInterface::gravity() const
{
    Q_D();
    return d->gravity;
}

QPoint XdgShellPopupInterface::anchorOffset() const
{
    Q_D();
    return d->anchorOffset;
}

PositionerConstraints XdgShellPopupInterface::constraintAdjustments() const
{
    Q_D();
    return d->constraintAdjustments;
}

QRect XdgShellPopupInterface::windowGeometry() const
{
    Q_D();
    return d->windowGeometry();
}

void XdgShellPopupInterface::popupDone()
{
    Q_D();
    return d->popupDone();
}

quint32 XdgShellPopupInterface::configure(const QRect &rect)
{
    Q_D();
    return d->configure(rect);
}

XdgShellPopupInterface::Private *XdgShellPopupInterface::d_func() const
{
    return reinterpret_cast<Private*>(d.data());
}

}
}