/*
 * Copyright (C) 2018 ~ 2028 Deepin Technology Co., Ltd.
 *
 * Author:     fanpengcheng <fanpengcheng_cm@deepin.com>
 *
 * Maintainer: fanpengcheng <fanpengcheng_cm@deepin.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "multiscreenworker.h"
#include "mainwindow.h"

#include <QWidget>
#include <QScreen>
#include <QEvent>
#include <QRegion>
#include <QSequentialAnimationGroup>
#include <QVariantAnimation>
#include <QX11Info>
#include <QDBusConnection>

const QString MonitorsSwitchTime = "monitorsSwitchTime";
const QString OnlyShowPrimary = "onlyShowPrimary";

// 保证以下数据更新顺序(大环节顺序不要变，内部还有一些小的调整，比如任务栏显示区域更新的时候，里面内容的布局方向可能也要更新...)
// Monitor数据－＞屏幕是否可停靠更新－＞监视唤醒区域更新，任务栏显示区域更新－＞拖拽区域更新－＞通知后端接口，通知窗管

// TODO　后续需要去除使用qt的接口获取屏幕信息，统一使用从com.deepin.daemon.Display服务中给定的数据

MultiScreenWorker::MultiScreenWorker(QWidget *parent, DWindowManagerHelper *helper)
    : QObject(nullptr)
    , m_parent(parent)
    , m_wmHelper(helper)
    , m_eventInter(new XEventMonitor("com.deepin.api.XEventMonitor", "/com/deepin/api/XEventMonitor", QDBusConnection::sessionBus()))
    , m_extralEventInter(new XEventMonitor("com.deepin.api.XEventMonitor", "/com/deepin/api/XEventMonitor", QDBusConnection::sessionBus()))
    , m_touchEventInter(new XEventMonitor("com.deepin.api.XEventMonitor", "/com/deepin/api/XEventMonitor", QDBusConnection::sessionBus()))
    , m_dockInter(new DBusDock("com.deepin.dde.daemon.Dock", "/com/deepin/dde/daemon/Dock", QDBusConnection::sessionBus(), this))
    , m_displayInter(new DisplayInter("com.deepin.daemon.Display", "/com/deepin/daemon/Display", QDBusConnection::sessionBus(), this))
    , m_launcherInter(new DBusLuncher("com.deepin.dde.Launcher", "/com/deepin/dde/Launcher", QDBusConnection::sessionBus()))
    , m_monitorUpdateTimer(new QTimer(this))
    , m_delayTimer(new QTimer(this))
    , m_monitorSetting(nullptr)
    , m_ds(m_displayInter->primary())
    , m_monitorRotation(1)
    , m_showAniStart(false)
    , m_hideAniStart(false)
    , m_aniStart(false)
    , m_draging(false)
    , m_autoHide(true)
    , m_btnPress(false)
{
    qInfo() << "init dock screen: " << m_ds.current();
    initMembers();
    initGSettingConfig();
    initDBus();
    initConnection();
    initDisplayData();
    initUI();
}

MultiScreenWorker::~MultiScreenWorker()
{

}

void MultiScreenWorker::initShow()
{
    // 仅在初始化时调用一次
    static bool first = true;
    if (!first)
        qFatal("this method can only be called once");
    first = false;

    //　这里是为了在调用时让MainWindow更新界面布局方向
    emit requestUpdateLayout();

    if (m_hideMode == HideMode::KeepShowing)
        displayAnimation(m_ds.current(), AniAction::Show);
    else if (m_hideMode == HideMode::KeepHidden) {
        QRect rect = getDockShowGeometry(m_ds.current(), m_position, m_displayMode);
        parent()->panel()->setFixedSize(rect.size());
        parent()->panel()->move(0, 0);

        rect = getDockHideGeometry(m_ds.current(), m_position, m_displayMode);
        parent()->setFixedSize(rect.size());
        parent()->setGeometry(rect);
    } else if (m_hideMode == HideMode::SmartHide) {
        if (m_hideState == HideState::Show)
            displayAnimation(m_ds.current(), AniAction::Show);
        else if (m_hideState == HideState::Hide)
            displayAnimation(m_ds.current(), AniAction::Hide);
    }
}

QRect MultiScreenWorker::dockRect(const QString &screenName, const Position &pos, const HideMode &hideMode, const DisplayMode &displayMode)
{
    if (hideMode == HideMode::KeepShowing)
        return getDockShowGeometry(screenName, pos, displayMode);
    else
        return getDockHideGeometry(screenName, pos, displayMode);
}

QRect MultiScreenWorker::dockRect(const QString &screenName)
{
    return dockRect(screenName, m_position, m_hideMode, m_displayMode);
}

QRect MultiScreenWorker::dockRectWithoutScale(const QString &screenName, const Position &pos, const HideMode &hideMode, const DisplayMode &displayMode)
{
    if (hideMode == HideMode::KeepShowing)
        return getDockShowGeometry(screenName, pos, displayMode, true);
    else
        return getDockHideGeometry(screenName, pos, displayMode, true);
}

void MultiScreenWorker::onAutoHideChanged(bool autoHide)
{
    if (m_autoHide != autoHide) {
        m_autoHide = autoHide;
    }
    if (m_autoHide) {
        /**
         * 当任务栏由一直隐藏模式切换至一直显示模式时，由于信号先调用的这里，再调用的DBus服务去修改m_hideMode的值，
         * 导致这里走的是KeepHidden，任务栏表现为直接隐藏了，而不是一直显示。
         * 引入特性：右键菜单关闭后，延时500ms任务栏才执行动画
         */
        QTimer::singleShot(500, [=] {
            switch (m_hideMode) {
            case HideMode::KeepHidden: {
                // 这时候鼠标如果在任务栏上,就不能隐藏
                if (!parent()->geometry().contains(QCursor::pos()))
                    displayAnimation(m_ds.current(), AniAction::Hide);
            } break;
            case HideMode::SmartHide: {
                if (m_hideState == HideState::Show) {
                    displayAnimation(m_ds.current(), AniAction::Show);
                } else if (m_hideState == HideState::Hide) {
                    displayAnimation(m_ds.current(), AniAction::Hide);
                }
            } break;
            case HideMode::KeepShowing:
                displayAnimation(m_ds.current(), AniAction::Show);
                break;
            }
        });
    }
}

void MultiScreenWorker::updateDaemonDockSize(int dockSize)
{
    m_dockInter->setWindowSize(uint(dockSize));
    if (m_displayMode == DisplayMode::Fashion)
        m_dockInter->setWindowSizeFashion(uint(dockSize));
    else
        m_dockInter->setWindowSizeEfficient(uint(dockSize));
}

void MultiScreenWorker::onDragStateChanged(bool draging)
{
    if (m_draging == draging)
        return;

    m_draging = draging;
}

void MultiScreenWorker::handleDbusSignal(QDBusMessage msg)
{
    QList<QVariant> arguments = msg.arguments();
    // 参数固定长度
    if (3 != arguments.count())
        return;
    // 返回的数据中,这一部分对应的是数据发送方的interfacename,可判断是否是自己需要的服务
    QString interfaceName = msg.arguments().at(0).toString();
    if (interfaceName == "com.deepin.dde.daemon.Dock") {
        QVariantMap changedProps = qdbus_cast<QVariantMap>(arguments.at(1).value<QDBusArgument>());
        QStringList keys = changedProps.keys();
        foreach (const QString &prop, keys) {
            if (prop == "Position") {
                onPositionChanged();
            } else if (prop == "DisplayMode") {
                onDisplayModeChanged();
            } else if (prop == "HideMode") {
                onHideModeChanged();
            } else if (prop == "HideState") {
                onHideStateChanged();
            }
        }
    } else if (interfaceName == "com.deepin.daemon.Display") {
        QVariantMap changedProps = qdbus_cast<QVariantMap>(arguments.at(1).value<QDBusArgument>());
        QStringList keys = changedProps.keys();
        foreach (const QString &prop, keys) {
            if (prop == "ScreenHeight") {
                m_screenRawHeight = m_displayInter->screenHeight();
            } else if (prop == "ScreenWidth") {
                m_screenRawWidth = m_displayInter->screenWidth();
            }
        }
        updateScreenSize();
    }
}

void MultiScreenWorker::onRegionMonitorChanged(int x, int y, const QString &key)
{
    if (m_registerKey != key || m_btnPress)
        return;

    tryToShowDock(x, y);
}

// 鼠标在任务栏之外移动时,任务栏该响应隐藏时需要隐藏
void MultiScreenWorker::onExtralRegionMonitorChanged(int x, int y, const QString &key)
{
    Q_UNUSED(x);
    Q_UNUSED(y);
    if (m_extralRegisterKey != key)
        return;

    // 鼠标移动到任务栏界面之外，停止计时器（延时2秒改变任务栏所在屏幕）
    m_delayTimer->stop();

    if (m_hideMode == HideMode::KeepShowing
            || ((m_hideMode == HideMode::KeepHidden || m_hideMode == HideMode::SmartHide) && m_hideState == HideState::Show)) {
        displayAnimation(m_ds.current(), AniAction::Show);
    } else if ((m_hideMode == HideMode::KeepHidden || m_hideMode == HideMode::SmartHide) && m_hideState == HideState::Hide) {
        displayAnimation(m_ds.current(), AniAction::Hide);
    } else {
        Q_UNREACHABLE();
    }
}

void MultiScreenWorker::onMonitorListChanged(const QList<QDBusObjectPath> &mons)
{
    if (mons.isEmpty())
        return;

    QList<QString> ops;
    for (const auto *mon : m_mtrInfo.data().keys())
        ops << mon->path();

    QList<QString> pathList;
    for (auto op : mons) {
        const QString path = op.path();
        pathList << path;
        if (!ops.contains(path))
            monitorAdded(path);
    }

    for (auto op : ops)
        if (!pathList.contains(op))
            monitorRemoved(op);
}

void MultiScreenWorker::monitorAdded(const QString &path)
{
    MonitorInter *inter = new MonitorInter("com.deepin.daemon.Display", path, QDBusConnection::sessionBus(), this);
    Monitor *mon = new Monitor(this);

    connect(inter, &MonitorInter::XChanged, mon, &Monitor::setX);
    connect(inter, &MonitorInter::YChanged, mon, &Monitor::setY);
    connect(inter, &MonitorInter::WidthChanged, mon, &Monitor::setW);
    connect(inter, &MonitorInter::HeightChanged, mon, &Monitor::setH);
    connect(inter, &MonitorInter::NameChanged, mon, &Monitor::setName);
    connect(inter, &MonitorInter::EnabledChanged, mon, &Monitor::setMonitorEnable);

    // 这里有可能在使用Monitor中的数据时，但实际上Monitor数据还未准备好．以Monitor中的信号为准，不能以MonitorInter中信号为准，
    connect(mon, &Monitor::geometryChanged, this, &MultiScreenWorker::requestUpdateMonitorInfo);
    connect(mon, &Monitor::enableChanged, this, &MultiScreenWorker::requestUpdateMonitorInfo);

    // NOTE: DO NOT using async dbus call. because we need to have a unique name to distinguish each monitor
    Q_ASSERT(inter->isValid());
    mon->setName(inter->name());

    mon->setMonitorEnable(inter->enabled());
    mon->setPath(path);
    mon->setX(inter->x());
    mon->setY(inter->y());
    mon->setW(inter->width());
    mon->setH(inter->height());

    m_mtrInfo.insert(mon, inter);

    inter->setSync(false);
}

void MultiScreenWorker::monitorRemoved(const QString &path)
{
    Monitor *monitor = nullptr;
    for (auto it(m_mtrInfo.data().cbegin()); it != m_mtrInfo.data().cend(); ++it) {
        if (it.key()->path() == path) {
            monitor = it.key();
            break;
        }
    }
    if (!monitor)
        return;

    m_mtrInfo.data().value(monitor)->deleteLater();
    m_mtrInfo.remove(monitor);

    monitor->deleteLater();
}

void MultiScreenWorker::showAniFinished()
{
    const QRect rect = dockRect(m_ds.current(), m_position, HideMode::KeepShowing, m_displayMode);

    parent()->setFixedSize(rect.size());
    parent()->setGeometry(rect);

    parent()->panel()->setFixedSize(rect.size());
    parent()->panel()->move(0, 0);

    emit requestUpdateFrontendGeometry();
    emit requestNotifyWindowManager();
    emit requestUpdateDragArea();
}

void MultiScreenWorker::hideAniFinished()
{
    // 提前更新界面布局
    emit requestUpdateLayout();

    const QRect rect = dockRect(m_ds.current(), m_position, HideMode::KeepHidden, m_displayMode);

    parent()->setFixedSize(rect.size());
    parent()->setGeometry(rect);

    parent()->panel()->setFixedSize(rect.size());
    parent()->panel()->move(0, 0);

    DockItem::setDockPosition(m_position);
    qApp->setProperty(PROP_POSITION, QVariant::fromValue(m_position));

    emit requestUpdateFrontendGeometry();
    emit requestNotifyWindowManager();
}

void MultiScreenWorker::onWindowSizeChanged(uint value)
{
    Q_UNUSED(value);

    m_monitorUpdateTimer->start();
}

void MultiScreenWorker::primaryScreenChanged()
{
    // 先更新主屏信息
    m_ds.updatePrimary(m_displayInter->primary());
    m_mtrInfo.setPrimary(m_displayInter->primary());

    const int screenRawHeight = m_displayInter->screenHeight();
    const int screenRawWidth = m_displayInter->screenWidth();

    // 无效值
    if (screenRawHeight == 0 || screenRawWidth == 0) {
        qWarning() << "screen raw data is not valid:" << screenRawHeight << screenRawWidth;
        return;
    }

    m_monitorUpdateTimer->start();
}

void MultiScreenWorker::updateParentGeometry(const QVariant &value, const Position &pos)
{
    const QRect &rect = value.toRect();
    parent()->setFixedSize(rect.size());
    parent()->setGeometry(rect);

    const int panelSize = ((pos == Position::Top || pos == Position::Bottom) ? parent()->panel()->height() : parent()->panel()->width());

    switch (pos) {
    case Position::Top: {
        parent()->panel()->move(0, rect.height() - panelSize);
    }
        break;
    case Position::Left: {
        parent()->panel()->move(rect.width() - panelSize, 0);
    }
        break;
    case Position::Bottom:
    case Position::Right: {
        parent()->panel()->move(0, 0);
    }
        break;
    }
}

void MultiScreenWorker::updateParentGeometry(const QVariant &value)
{
    if (!m_showAniStart && !m_hideAniStart)
        return;

    updateParentGeometry(value, m_position);
}

void MultiScreenWorker::delayShowDock()
{
    emit requestDelayShowDock(m_delayScreen);
}

void MultiScreenWorker::onPositionChanged()
{
    const Position position = Dock::Position(m_dockInter->position());
    Position lastPos = m_position;
    if (lastPos == position)
        return;
#ifdef QT_DEBUG
    qDebug() << "position change from: " << lastPos << " to: " << position;
#endif
    m_position = position;

    // 更新鼠标拖拽样式，在类内部设置到qApp单例上去
    if ((Top == m_position) || (Bottom == m_position)) {
        parent()->panel()->setCursor(Qt::SizeVerCursor);
    } else {
        parent()->panel()->setCursor(Qt::SizeHorCursor);
    }

    if (m_hideMode == HideMode::KeepHidden || (m_hideMode == HideMode::SmartHide && m_hideState == HideState::Hide)) {
        // 这种情况切换位置,任务栏不需要显示
        displayAnimation(m_ds.current(), lastPos, AniAction::Hide);
        // 更新当前屏幕信息,下次显示从目标屏幕显示
        m_ds.updateDockedScreen(getValidScreen(m_position));
        // 需要更新frontendWindowRect接口数据，否则会造成HideState属性值不变
        emit requestUpdateFrontendGeometry();
    } else {
        // 一直显示的模式才需要显示
        emit requestUpdatePosition(lastPos, position);
    }

    emit requestUpdateRegionMonitor();
}

void MultiScreenWorker::onDisplayModeChanged()
{
    DisplayMode displayMode = Dock::DisplayMode(m_dockInter->displayMode());

    if (displayMode == m_displayMode)
        return;

    qInfo() << "display mode change:" << displayMode;

    m_displayMode = displayMode;

    DockItem::setDockDisplayMode(displayMode);
    qApp->setProperty(PROP_DISPLAY_MODE, QVariant::fromValue(displayMode));

    QRect rect;
    if (m_hideMode == HideMode::KeepShowing || (m_hideMode == HideMode::SmartHide && m_hideState == HideState::Show)) {
        rect = dockRect(m_ds.current(), m_position, HideMode::KeepShowing, m_displayMode);
    } else {
        rect = dockRect(m_ds.current(), m_position, HideMode::KeepHidden, m_displayMode);
    }

    parent()->setFixedSize(rect.size());
    parent()->move(rect.topLeft());

    parent()->panel()->setFixedSize(rect.size());
    parent()->panel()->move(0, 0);
    parent()->panel()->setDisplayMode(m_displayMode);

    emit displayModeChanegd();
    emit requestUpdateRegionMonitor();
    emit requestUpdateFrontendGeometry();
    emit requestNotifyWindowManager();
    emit requestUpdateDragArea();
}

void MultiScreenWorker::onHideModeChanged()
{
    HideMode hideMode = Dock::HideMode(m_dockInter->hideMode());

    if (m_hideMode == hideMode)
        return;

    qInfo() << "hidemode change:" << hideMode;

    m_hideMode = hideMode;

    if (m_hideMode == HideMode::KeepShowing
            || ((m_hideMode == HideMode::KeepHidden || m_hideMode == HideMode::SmartHide) && m_hideState == HideState::Show)) {
        displayAnimation(m_ds.current(), AniAction::Show);
    } else if ((m_hideMode == HideMode::KeepHidden || m_hideMode == HideMode::SmartHide) && m_hideState == HideState::Hide) {
        displayAnimation(m_ds.current(), AniAction::Hide);
    } else {
        Q_UNREACHABLE();
    }

    emit requestUpdateFrontendGeometry();
    emit requestNotifyWindowManager();
}

void MultiScreenWorker::onHideStateChanged()
{
    const Dock::HideState state = Dock::HideState(m_dockInter->hideState());

    if (state == Dock::Unknown)
        return;

    m_hideState = state;

    // 检查当前屏幕的当前位置是否允许显示,不允许需要更新显示信息(这里应该在函数外部就处理好,不应该走到这里)
    Monitor *currentMonitor = monitorByName(m_mtrInfo.validMonitor(), m_ds.current());
    if (!currentMonitor) {
        qWarning() << "cannot find monitor by name: " << m_ds.current();
        return;
    }

    if (!currentMonitor->dockPosition().docked(m_position)) {
        Q_ASSERT(false);
        m_ds.updateDockedScreen(getValidScreen(m_position));
    }

    qInfo() << "hidestate change:" << m_hideMode << m_hideState;

    if (m_hideMode == HideMode::KeepShowing
            || ((m_hideMode == HideMode::KeepHidden || m_hideMode == HideMode::SmartHide) && m_hideState == HideState::Show)) {
        displayAnimation(m_ds.current(), AniAction::Show);
    } else if ((m_hideMode == HideMode::KeepHidden || m_hideMode == HideMode::SmartHide) && m_hideState == HideState::Hide) {
        displayAnimation(m_ds.current(), AniAction::Hide);
    } else {
        Q_UNREACHABLE();
    }
}

void MultiScreenWorker::onOpacityChanged(const double value)
{
    if (int(m_opacity * 100) == int(value * 100)) return;

    m_opacity = value;

    emit opacityChanged(quint8(value * 255));
}

void MultiScreenWorker::onRequestUpdateRegionMonitor()
{
    if (!m_registerKey.isEmpty()) {
#ifdef QT_DEBUG
        bool ret = m_eventInter->UnregisterArea(m_registerKey);
        qDebug() << "取消唤起区域监听:" << ret;
#else
        m_eventInter->UnregisterArea(m_registerKey);
#endif
        m_registerKey.clear();
    }

    if (!m_extralRegisterKey.isEmpty()) {
#ifdef QT_DEBUG
        bool ret = m_extralEventInter->UnregisterArea(m_extralRegisterKey);
        qDebug() << "取消任务栏外部区域监听:" << ret;
#else
        m_extralEventInter->UnregisterArea(m_extralRegisterKey);
#endif
        m_extralRegisterKey.clear();
    }

    if (!m_touchRegisterKey.isEmpty()) {
        m_touchEventInter->UnregisterArea(m_touchRegisterKey);
        m_touchRegisterKey.clear();
    }

    const static int flags = Motion | Button | Key;
    const static int monitorHeight = static_cast<int>(15 * qApp->devicePixelRatio());
    // 后端认为的任务栏大小(无缩放因素影响)
    const int realDockSize = int((m_displayMode == DisplayMode::Fashion ? m_dockInter->windowSizeFashion() + 2 * 10 /*上下的边距各10像素*/ : m_dockInter->windowSizeEfficient()) * qApp->devicePixelRatio());

    // 任务栏唤起区域
    m_monitorRectList.clear();
    foreach (Monitor *inter, m_mtrInfo.validMonitor()) {
        // 屏幕不可用或此位置不可停靠时，不用监听这块区域
        if (!inter->enable() || !inter->dockPosition().docked(m_position))
            continue;

        MonitRect rect;
        switch (m_position) {
        case Top: {
            rect.x1 = inter->x();
            rect.y1 = inter->y();
            rect.x2 = inter->x() + inter->w();
            rect.y2 = inter->y() + monitorHeight;
        }
            break;
        case Bottom: {
            rect.x1 = inter->x();
            rect.y1 = inter->y() + inter->h() - monitorHeight;
            rect.x2 = inter->x() + inter->w();
            rect.y2 = inter->y() + inter->h();
        }
            break;
        case Left: {
            rect.x1 = inter->x();
            rect.y1 = inter->y();
            rect.x2 = inter->x() + monitorHeight;
            rect.y2 = inter->y() + inter->h();
        }
            break;
        case Right: {
            rect.x1 = inter->x() + inter->w() - monitorHeight;
            rect.y1 = inter->y();
            rect.x2 = inter->x() + inter->w();
            rect.y2 = inter->y() + inter->h();
        }
            break;
        }

        if (!m_monitorRectList.contains(rect)) {
            m_monitorRectList << rect;
#ifdef QT_DEBUG
            qDebug() << "监听区域：" << rect.x1 << rect.y1 << rect.x2 << rect.y2;
#endif
        }
    }

    m_extralRectList.clear();
    foreach (Monitor *inter, m_mtrInfo.validMonitor()) {
        // 屏幕不可用或此位置不可停靠时，不用监听这块区域
        if (!inter->enable() || !inter->dockPosition().docked(m_position))
            continue;

        MonitRect rect;
        switch (m_position) {
        case Top: {
            rect.x1 = inter->x();
            rect.y1 = inter->y() + realDockSize;
            rect.x2 = inter->x() + inter->w();
            rect.y2 = inter->y() + inter->h();
        }
            break;
        case Bottom: {
            rect.x1 = inter->x();
            rect.y1 = inter->y();
            rect.x2 = inter->x() + inter->w();
            rect.y2 = inter->y() + inter->h() - realDockSize;
        }
            break;
        case Left: {
            rect.x1 = inter->x() + realDockSize;
            rect.y1 = inter->y();
            rect.x2 = inter->x() + inter->w();
            rect.y2 = inter->y() + inter->h();
        }
            break;
        case Right: {
            rect.x1 = inter->x();
            rect.y1 = inter->y();
            rect.x2 = inter->x() + inter->w() - realDockSize;
            rect.y2 = inter->y() + inter->h();
        }
            break;
        }

        if (!m_extralRectList.contains(rect)) {
            m_extralRectList << rect;
#ifdef QT_DEBUG
            qDebug() << "任务栏外部区域：" << rect.x1 << rect.y1 << rect.x2 << rect.y2;
#endif
        }
    }

    // 触屏监控高度固定调整为最大任务栏高度100+任务栏与屏幕边缘间距
    const int monitHeight = 100 + WINDOWMARGIN;
    // 任务栏触屏唤起区域
    m_touchRectList.clear();
    foreach (Monitor *inter, m_mtrInfo.validMonitor()) {
        // 屏幕不可用或此位置不可停靠时，不用监听这块区域
        if (!inter->enable() || !inter->dockPosition().docked(m_position))
            continue;

        MonitRect touchRect;
        switch (m_position) {
        case Top: {
            touchRect.x1 = inter->x();
            touchRect.y1 = inter->y();
            touchRect.x2 = inter->x() + inter->w();
            touchRect.y2 = inter->y() + monitHeight;
        }
            break;
        case Bottom: {
            touchRect.x1 = inter->x();
            touchRect.y1 = inter->y() + inter->h() - monitHeight;
            touchRect.x2 = inter->x() + inter->w();
            touchRect.y2 = inter->y() + inter->h();
        }
            break;
        case Left: {
            touchRect.x1 = inter->x();
            touchRect.y1 = inter->y();
            touchRect.x2 = inter->x() + monitHeight;
            touchRect.y2 = inter->y() + inter->h();
        }
            break;
        case Right: {
            touchRect.x1 = inter->x() + inter->w() - monitHeight;
            touchRect.y1 = inter->y();
            touchRect.x2 = inter->x() + inter->w();
            touchRect.y2 = inter->y() + inter->h();
        }
            break;
        }

        if (!m_touchRectList.contains(touchRect)) {
            m_touchRectList << touchRect;
        }
    }

    m_registerKey = m_eventInter->RegisterAreas(m_monitorRectList, flags);
    m_extralRegisterKey = m_extralEventInter->RegisterAreas(m_extralRectList, flags);
    m_touchRegisterKey = m_touchEventInter->RegisterAreas(m_touchRectList, flags);
}

void MultiScreenWorker::onRequestUpdateFrontendGeometry()
{
    const QRect rect = dockRectWithoutScale(m_ds.current(), m_position, HideMode::KeepShowing, m_displayMode);

    //!!! 向com.deepin.dde.daemon.Dock的SetFrontendWindowRect接口设置区域时,此区域的高度或宽度不能为0,否则会导致其HideState属性循环切换,造成任务栏循环显示或隐藏
    if (rect.width() == 0 || rect.height() == 0)
        return;

#ifdef QT_DEBUG
    qDebug() << rect;
#endif

    m_dockInter->SetFrontendWindowRect(int(rect.x()), int(rect.y()), uint(rect.width()), uint(rect.height()));
    emit requestUpdateDockEntry();
}

/**
 * @brief 这里用到xcb去设置任务栏的高度，比较特殊，参考_NET_WM_STRUT_PARTIAL属性
 * 在屏幕旋转后，所有参数以控制中心自定义设置里主屏显示的图示为准（旋转不用特殊处理）
 */
void MultiScreenWorker::onRequestNotifyWindowManager()
{
    static QRect lastRect = QRect();
    static int lastScreenWith = 0;
    static int lastScreenHeight = 0;

    /* 在非主屏或非一直显示状态时，清除任务栏区域，不挤占应用 */
    if (m_ds.current() != m_ds.primary() || m_hideMode != HideMode::KeepShowing) {
        lastRect = QRect();

        const auto display = QX11Info::display();
        if (!display) {
            qWarning() << "QX11Info::display() is " << display;
            return;
        }

        XcbMisc::instance()->clear_strut_partial(xcb_window_t(parent()->winId()));
        return;
    }

    QRect dockGeometry = getDockShowGeometry(m_ds.current(), m_position, m_displayMode, true);
    if (lastRect == dockGeometry && lastScreenWith == m_screenRawWidth && lastScreenHeight == m_screenRawHeight) {
        return;
    }
    lastRect = dockGeometry;
    lastScreenWith = m_screenRawWidth;
    lastScreenHeight = m_screenRawHeight;
    qDebug() << "dock real geometry:" << dockGeometry;
    qDebug() << "screen width:" << m_screenRawWidth << ", height:" << m_screenRawHeight;

    const qreal ratio = qApp->devicePixelRatio();

    XcbMisc::Orientation orientation = XcbMisc::OrientationTop;
    double strut = 0;
    double strutStart = 0;
    double strutEnd = 0;

    switch (m_position) {
    case Position::Top:
        orientation = XcbMisc::OrientationTop;
        strut = dockGeometry.y() + dockGeometry.height();
        strutStart = dockGeometry.x();
        strutEnd = qMin(dockGeometry.x() + dockGeometry.width(), dockGeometry.right());
        break;
    case Position::Bottom:
        orientation = XcbMisc::OrientationBottom;
        strut = m_screenRawHeight - dockGeometry.y();
        strutStart = dockGeometry.x();
        strutEnd = qMin(dockGeometry.x() + dockGeometry.width(), dockGeometry.right());
        break;
    case Position::Left:
        orientation = XcbMisc::OrientationLeft;
        strut = dockGeometry.x() + dockGeometry.width();
        strutStart = dockGeometry.y();
        strutEnd = qMin(dockGeometry.y() + dockGeometry.height(), dockGeometry.bottom());
        break;
    case Position::Right:
        orientation = XcbMisc::OrientationRight;
        strut = m_screenRawWidth - dockGeometry.x();
        strutStart = dockGeometry.y();
        strutEnd = qMin(dockGeometry.y() + dockGeometry.height(), dockGeometry.bottom());
        break;
    }

    qDebug() << "set reserved area to xcb:" << strut << strutStart << strutEnd;

    const auto display = QX11Info::display();
    if (!display) {
        qWarning() << "QX11Info::display() is " << display;
        return;
    }

    XcbMisc::instance()->set_strut_partial(static_cast<xcb_window_t>(parent()->winId()), orientation,
                                           static_cast<uint>(strut + WINDOWMARGIN * ratio), // 设置窗口与屏幕边缘距离，需要乘缩放
                                           static_cast<uint>(strutStart),                   // 设置任务栏起点坐标（上下为x，左右为y）
                                           static_cast<uint>(strutEnd));                    // 设置任务栏终点坐标（上下为x，左右为y）
}

void MultiScreenWorker::onRequestUpdatePosition(const Position &fromPos, const Position &toPos)
{
    qInfo() << "request change pos from: " << fromPos << " to: " << toPos;
    // 更新要切换到的屏幕
    m_ds.updateDockedScreen(getValidScreen(m_position));

    qInfo() << "update allow screen: " << m_ds.current();

    // 无论什么模式,都先显示
    changeDockPosition(m_ds.last(), m_ds.current(), fromPos, toPos);
}

void MultiScreenWorker::onRequestUpdateMonitorInfo()
{
    // 双屏，复制模式，两个屏幕的信息是一样的
    if (m_mtrInfo.validMonitor().size() == 2
            && m_mtrInfo.validMonitor().first()->rect() == m_mtrInfo.validMonitor().last()->rect()) {
        qInfo() << "repeat screen";
        return;
    }

    m_monitorUpdateTimer->start();
}

void MultiScreenWorker::updateMonitorDockedInfo()
{
    updatePrimaryDisplayRotation();

    QList<Monitor *>screens = m_mtrInfo.validMonitor();

    if (screens.size() == 1) {
        //　只剩下一个可用的屏幕
        screens.first()->dockPosition().reset();
        updateDockScreenName(screens.first()->name());
        return;
    }

    // 最多支持双屏,这里只计算双屏,单屏默认四边均可停靠任务栏
    if (screens.size() != 2) {
        qInfo() << "screen count:" << screens.count();
        return;
    }

    Monitor *s1 = screens.at(0);
    Monitor *s2 = screens.at(1);
    if (!s1 || !s2) {
        qFatal("shouldn't be here");
    }

    qInfo() << "monitor info changed" << s1->rect() << s2->rect();

    // 先重置
    s1->dockPosition().reset();
    s2->dockPosition().reset();

    // 对角拼接，重置，默认均可停靠
    if (s1->bottomRight() == s2->topLeft()
            || s1->topLeft() == s2->bottomRight()) {
        return;
    }

    // 左右拼接，s1左，s2右
    if (s1->right() == s2->left()
            && (s1->topRight() == s2->topLeft() || s1->bottomRight() == s2->bottomLeft())) {
        s1->dockPosition().rightDock = false;
        s2->dockPosition().leftDock = false;
    }
    // 左右拼接，s1右，s2左
    if (s1->left() == s2->right()
            && (s1->topLeft() == s2->topRight() || s1->bottomLeft() == s2->bottomRight())) {
        s1->dockPosition().leftDock = false;
        s2->dockPosition().rightDock = false;
    }

    // 上下拼接，s1上，s2下
    if (s1->bottom() == s2->top()
            && (s1->bottomLeft() == s2->topLeft() || s1->bottomRight() == s2->topRight())) {
        s1->dockPosition().bottomDock = false;
        s2->dockPosition().topDock = false;
    }

    // 上下拼接，s1下，s2上
    if (s1->top() == s2->bottom()
            && (s1->topLeft() == s2->bottomLeft() || s1->topRight() == s2->bottomRight())) {
        s1->dockPosition().topDock = false;
        s2->dockPosition().bottomDock = false;
    }
}

void MultiScreenWorker::updatePrimaryDisplayRotation()
{
    //多次调用后,会append多次,造成重复项,因此先清空当前保存的旋转方向
    m_rotations.clear();
    Monitor * primaryMonitor = monitorByName(m_mtrInfo.validMonitor(), m_displayInter->primary());
    if(primaryMonitor) {
        MonitorInter *inter = new MonitorInter("com.deepin.daemon.Display", primaryMonitor->path(), QDBusConnection::sessionBus(), this);
        m_monitorRotation = inter->rotation();
        //保存屏幕允许那些方向
        foreach (quint16 var, inter->rotations()) {
            m_rotations.append(var);
        }
    }
}

void MultiScreenWorker::onRequestDelayShowDock(const QString &screenName)
{
    // 移动Dock至相应屏相应位置
    if (m_launcherInter->IsVisible())//启动器显示,则dock不显示
        return;

    // 复制模式．不需要响应切换屏幕
    QList<Monitor *> monitorList = m_mtrInfo.validMonitor();
    if (monitorList.size() == 2 && monitorList.first()->rect() == monitorList.last()->rect()) {
        qInfo() << "copy mode　or merge mode";
        parent()->setFixedSize(dockRect(m_ds.current()).size());
        parent()->setGeometry(dockRect(m_ds.current()));
        return;
    }

    m_ds.updateDockedScreen(screenName);

    Monitor *currentMonitor = monitorByName(m_mtrInfo.validMonitor(), screenName);
    if (!currentMonitor) {
        qWarning() << "cannot find monitor by name: " << screenName;
        return;
    }

    // 检查边缘是否允许停靠
    if (currentMonitor->dockPosition().docked(m_position)) {
        if (m_hideMode == HideMode::KeepHidden || m_hideMode == HideMode::SmartHide) {
            displayAnimation(m_ds.current(), AniAction::Show);
        } else if (m_hideMode == HideMode::KeepShowing) {
            changeDockPosition(m_ds.last(), m_ds.current(), m_position, m_position);
        }
    }
}

void MultiScreenWorker::initMembers()
{
    m_monitorUpdateTimer->setInterval(100);
    m_monitorUpdateTimer->setSingleShot(true);

    m_delayTimer->setInterval(2000);
    m_delayTimer->setSingleShot(true);

    // init check
    checkDaemonDockService();
    checkDaemonDisplayService();
    checkXEventMonitorService();
}

void MultiScreenWorker::initGSettingConfig()
{
    if (QGSettings::isSchemaInstalled("com.deepin.dde.dock.mainwindow")) {
        m_monitorSetting = new QGSettings("com.deepin.dde.dock.mainwindow", "/com/deepin/dde/dock/mainwindow/", this);
        if (m_monitorSetting->keys().contains(MonitorsSwitchTime)) {
            m_delayTimer->setInterval(m_monitorSetting->get(MonitorsSwitchTime).toInt());
        } else {
            qWarning() << "can not find key:" << MonitorsSwitchTime;
        }

        if (m_monitorSetting->keys().contains(OnlyShowPrimary)) {
            m_mtrInfo.setShowInPrimary(m_monitorSetting->get(OnlyShowPrimary).toBool());
        } else {
            qWarning() << "can not find key:" << OnlyShowPrimary;
        }
    } else {
        qWarning() << "com.deepin.dde.dock is uninstalled.";
    }
}

void MultiScreenWorker::initConnection()
{
    /** FIXME
     * 这里关联的信号有时候收不到是因为 qt-dbus-factory 中的 changed 的信号有时候会发不出来，
     * qt-dbus-factory 中的 DBusExtendedAbstractInterface::internalPropGet 在同步调用情况下，会将缓存中的数据写入属性中，
     * 导致后面 onPropertyChanged 中的判断认为属性值没变，就没有发出 changed 信号。
     * 建议：前端仅在初始化时主动获取一次 dbus 中的值存储在成员变量中，并建立 changed 信号连接，后面所有用到那个值的地方，均获取成员变量;
     * 或去修改 qt-dbus-factory，取消 DBusExtendedAbstractInterface::internalPropGet 中将数据写入属性值，
     * 但是 qt-dbus-factory 修改涉及面较广，需要大量测试确认没有问题，再合入。
     */
#if 0
    //    connect(m_dockInter, &DBusDock::PositionChanged, this, &MultiScreenWorker::onPositionChanged);
    //    connect(m_dockInter, &DBusDock::DisplayModeChanged, this, &MultiScreenWorker::onDisplayModeChanged);
    //    connect(m_dockInter, &DBusDock::HideModeChanged, this, &MultiScreenWorker::hideModeChanged);
    //    connect(m_dockInter, &DBusDock::HideStateChanged, this, &MultiScreenWorker::hideStateChanged);
#else
    QDBusConnection::sessionBus().connect("com.deepin.dde.daemon.Dock",
                                          "/com/deepin/dde/daemon/Dock",
                                          "org.freedesktop.DBus.Properties",
                                          "PropertiesChanged",
                                          "sa{sv}as",
                                          this, SLOT(handleDbusSignal(QDBusMessage)));
    QDBusConnection::sessionBus().connect("com.deepin.daemon.Display",
                                          "/com/deepin/daemon/Display",
                                          "org.freedesktop.DBus.Properties",
                                          "PropertiesChanged",
                                          "sa{sv}as",
                                          this, SLOT(handleDbusSignal(QDBusMessage)));
#endif
    connect(&m_mtrInfo, &MonitorInfo::monitorChanged, this, &MultiScreenWorker::requestUpdateMonitorInfo);

    connect(this, &MultiScreenWorker::requestUpdateRegionMonitor, this, &MultiScreenWorker::onRequestUpdateRegionMonitor);
    connect(this, &MultiScreenWorker::requestUpdateFrontendGeometry, this, &MultiScreenWorker::onRequestUpdateFrontendGeometry);
    connect(this, &MultiScreenWorker::requestUpdatePosition, this, &MultiScreenWorker::onRequestUpdatePosition);
    connect(this, &MultiScreenWorker::requestNotifyWindowManager, this, &MultiScreenWorker::onRequestNotifyWindowManager);
    connect(this, &MultiScreenWorker::requestUpdateMonitorInfo, this, &MultiScreenWorker::onRequestUpdateMonitorInfo);
    connect(this, &MultiScreenWorker::requestDelayShowDock, this, &MultiScreenWorker::onRequestDelayShowDock);

    connect(m_delayTimer, &QTimer::timeout, this, &MultiScreenWorker::delayShowDock);

    //　更新任务栏内容展示
    connect(this, &MultiScreenWorker::requestUpdateLayout, this, [ = ] {
        parent()->panel()->setFixedSize(dockRect(m_ds.current(), position(), HideMode::KeepShowing, displayMode()).size());
        parent()->panel()->move(0, 0);
        parent()->panel()->setDisplayMode(displayMode());
        parent()->panel()->setPositonValue(position());
        parent()->panel()->update();
    });

    // 此时屏幕的显示器信息已经更新到m_mtrInfo中，需要根据这些信息顺序更新任务栏的以下信息：
    //1、屏幕停靠信息，
    //2、任务栏当前显示在哪个屏幕也需要更新
    //2、监视任务栏唤醒区域信息，
    //3、任务栏高度或宽度调整的拖拽区域，
    //4、通知窗管的任务栏显示区域信息，
    //5、通知后端的任务栏显示区域信息
    connect(m_monitorUpdateTimer, &QTimer::timeout, this, [ = ] {
        // 更新屏幕停靠信息
        updateMonitorDockedInfo();
        // 更新所在屏幕
        resetDockScreen();
        // 通知后端
        emit requestUpdateFrontendGeometry();
        // 拖拽区域
        emit requestUpdateDragArea();
        // 监控区域
        emit requestUpdateRegionMonitor();
        // 通知窗管
        emit requestNotifyWindowManager();
    });

    connect(m_monitorSetting, &QGSettings::changed, this, &MultiScreenWorker::onConfigChange);
}

void MultiScreenWorker::initUI()
{
    // 设置界面大小
    parent()->setFixedSize(dockRect(m_ds.current()).size());
    parent()->move(dockRect(m_ds.current()).topLeft());
    parent()->panel()->setFixedSize(dockRect(m_ds.current(), m_position, HideMode::KeepShowing, m_displayMode).size());
    parent()->panel()->move(0, 0);

    onPositionChanged();
    onDisplayModeChanged();
    onHideModeChanged();
    onHideStateChanged();
    onOpacityChanged(m_dockInter->opacity());

    // 初始化透明度
    QTimer::singleShot(0, this, [ = ] {onOpacityChanged(m_dockInter->opacity());});
}

void MultiScreenWorker::initDBus()
{
    if (m_dockInter->isValid()) {
        m_position = static_cast<Dock::Position >(m_dockInter->position());
        m_hideMode = static_cast<Dock::HideMode >(m_dockInter->hideMode());
        m_hideState = static_cast<Dock::HideState >(m_dockInter->hideState());
        m_displayMode = static_cast<Dock::DisplayMode >(m_dockInter->displayMode());
        m_opacity = m_dockInter->opacity();

        DockItem::setDockPosition(m_position);
        qApp->setProperty(PROP_POSITION, QVariant::fromValue(m_position));
        DockItem::setDockDisplayMode(m_displayMode);
        qApp->setProperty(PROP_DISPLAY_MODE, QVariant::fromValue(m_displayMode));
    }

    if (m_displayInter->isValid()) {
        m_screenRawHeight = m_displayInter->screenHeight();
        m_screenRawWidth = m_displayInter->screenWidth();
        m_ds = DockScreen(m_displayInter->primary());
        m_mtrInfo.setPrimary(m_displayInter->primary());
        updateScreenSize();
    }
}

void MultiScreenWorker::initDisplayData()
{
    //1\初始化monitor信息
    onMonitorListChanged(m_displayInter->monitors());

    //2\初始化屏幕停靠信息
    updateMonitorDockedInfo();

    //3\初始化监视区域
    onRequestUpdateRegionMonitor();

    //4\初始化任务栏停靠屏幕
    resetDockScreen();
}

void MultiScreenWorker::reInitDisplayData()
{
    initDBus();
    initDisplayData();
}

/**
 * @brief MultiScreenWorker::displayAnimation
 * 任务栏显示或隐藏过程的动画。
 * @param screen 任务栏要显示的屏幕
 * @param pos 任务栏显示的位置（上：0，右：1，下：2，左：3）
 * @param act 显示（隐藏）任务栏
 * @return void
 */
void MultiScreenWorker::displayAnimation(const QString &screen, const Position &pos, AniAction act)
{
    if (!m_autoHide || m_draging || m_aniStart || m_hideAniStart || m_showAniStart)
        return;

    QRect mainwindowRect = parent()->geometry();
    QRect dockShowRect = getDockShowGeometry(screen, pos, m_displayMode);
    QRect dockHideRect = getDockHideGeometry(screen, pos, m_displayMode);

    /** FIXME
     * 在高分屏2.75倍缩放的情况下，parent()->geometry()返回的任务栏高度有问题（实际是40,返回是39）
     * 在这里增加判断，当返回值在范围（38，42）开区间内，均认为任务栏显示位置正确，直接返回，不执行动画
     * 也就是在实际值基础上下浮动1像素的误差范围
     * 正常屏幕情况下是没有这个问题的
     */
    switch (act) {
    case AniAction::Show:
        if (pos == Position::Top || pos == Position::Bottom) {
            if (dockShowRect.height() > mainwindowRect.height() - 2
                    && dockShowRect.height() < mainwindowRect.height() + 2) {
                emit requestNotifyWindowManager();
                return;
            }
        } else if (pos == Position::Left || pos == Position::Right) {
            if (dockShowRect.width() > mainwindowRect.width() - 2
                    && dockShowRect.width() < mainwindowRect.width() + 2) {
                emit requestNotifyWindowManager();
                return;
            }
        }
        break;
    case AniAction::Hide:
        if (dockHideRect == mainwindowRect) {
            emit requestNotifyWindowManager();
            return;
        }
        break;
    default:
        Q_UNREACHABLE();
        break;
    }

    QVariantAnimation *ani = new QVariantAnimation(this);
    ani->setEasingCurve(QEasingCurve::InOutCubic);

    const bool composite = m_wmHelper->hasComposite(); // 判断是否开启特效模式
#ifndef DISABLE_SHOW_ANIMATION
    const int duration = composite ? ANIMATIONTIME : 0;
#else
    const int duration = 0;
#endif
    ani->setDuration(duration);

    ani->setStartValue(dockHideRect);
    ani->setEndValue(dockShowRect);

    switch (act) {
    case AniAction::Show:
        ani->setDirection(QAbstractAnimation::Forward);
        connect(ani, &QVariantAnimation::finished, this, &MultiScreenWorker::showAniFinished);
        connect(this, &MultiScreenWorker::requestStopShowAni, ani, &QVariantAnimation::stop);
        break;

    case AniAction::Hide:
        ani->setDirection(QAbstractAnimation::Backward); // 隐藏时动画反向走
        connect(ani, &QVariantAnimation::finished, this, &MultiScreenWorker::hideAniFinished);
        connect(this, &MultiScreenWorker::requestStopHideAni, ani, &QVariantAnimation::stop);
        break;

    default:
        Q_UNREACHABLE();
        break;
    }

    connect(ani, &QVariantAnimation::valueChanged, this, static_cast<void (MultiScreenWorker::*)(const QVariant &value)>(&MultiScreenWorker::updateParentGeometry));

    connect(ani, &QVariantAnimation::stateChanged, this, [=](QAbstractAnimation::State newState, QAbstractAnimation::State oldState) {
        // 更新动画是否正在进行的信号值
        switch (act) {
        case AniAction::Show:
            if (newState == QVariantAnimation::Running && oldState == QVariantAnimation::Stopped) {
                m_showAniStart = true;
            }
            if (newState == QVariantAnimation::Stopped && oldState == QVariantAnimation::Running) {
                m_showAniStart = false;
            }
            break;
        case AniAction::Hide:
            if (newState == QVariantAnimation::Running && oldState == QVariantAnimation::Stopped) {
                m_hideAniStart = true;
            }
            if (newState == QVariantAnimation::Stopped && oldState == QVariantAnimation::Running) {
                m_hideAniStart = false;
            }
            break;
        default:
            break;
        }
    });

    parent()->panel()->setFixedSize(dockRect(m_ds.current(), m_position, HideMode::KeepShowing, m_displayMode).size());
    parent()->panel()->move(0, 0);

    emit requestStopShowAni();
    emit requestStopHideAni();
    emit requestUpdateLayout();

    ani->start(QVariantAnimation::DeleteWhenStopped);
}

/**
 * @brief MultiScreenWorker::displayAnimation
 * 任务栏显示或隐藏过程的动画。
 * @param screen 任务栏要显示的屏幕
 * @param act 显示（隐藏）任务栏
 * @return void
 */
void MultiScreenWorker::displayAnimation(const QString &screen, AniAction act)
{
    return displayAnimation(screen, m_position, act);
}

void MultiScreenWorker::changeDockPosition(QString fromScreen, QString toScreen, const Position &fromPos, const Position &toPos)
{
    if (fromScreen == toScreen && fromPos == toPos) {
        qWarning() << "shouldn't be here,nothing happend!";
        return;
    }

    // 更新屏幕信息
    m_ds.updateDockedScreen(toScreen);

    // TODO: 考虑切换过快的情况,这里需要停止上一次的动画,可增加信号控制,暂时无需要
    qInfo() << "from: " << fromScreen << "  to: " << toScreen;

    QSequentialAnimationGroup *group = new QSequentialAnimationGroup(this);

    QVariantAnimation *ani1 = new QVariantAnimation(group);
    QVariantAnimation *ani2 = new QVariantAnimation(group);

    //　初始化动画信息
    ani1->setEasingCurve(QEasingCurve::InOutCubic);
    ani2->setEasingCurve(QEasingCurve::InOutCubic);

    const bool composite = m_wmHelper->hasComposite();
#ifndef DISABLE_SHOW_ANIMATION
    const int duration = composite ? ANIMATIONTIME : 0;
#else
    const int duration = 0;
#endif

    ani1->setDuration(duration);
    ani2->setDuration(duration);

    //　隐藏
    ani1->setStartValue(getDockShowGeometry(fromScreen, fromPos, m_displayMode));
    ani1->setEndValue(getDockHideGeometry(fromScreen, fromPos, m_displayMode));
    qDebug() << fromScreen << "hide from :" << getDockShowGeometry(fromScreen, fromPos, m_displayMode);
    qDebug() << fromScreen << "hide to   :" << getDockHideGeometry(fromScreen, fromPos, m_displayMode);

    //　显示
    ani2->setStartValue(getDockHideGeometry(toScreen, toPos, m_displayMode));
    ani2->setEndValue(getDockShowGeometry(toScreen, toPos, m_displayMode));
    qDebug() << toScreen << "show from :" << getDockHideGeometry(toScreen, toPos, m_displayMode);
    qDebug() << toScreen << "show to   :" << getDockShowGeometry(toScreen, toPos, m_displayMode);

    group->addAnimation(ani1);
    group->addAnimation(ani2);

    // 隐藏时固定一下内容大小
    connect(ani1, &QVariantAnimation::stateChanged, this, [ = ](QAbstractAnimation::State newState, QAbstractAnimation::State oldState) {
        if (newState == QVariantAnimation::Running && oldState == QVariantAnimation::Stopped) {
            parent()->panel()->setFixedSize(dockRect(fromScreen, fromPos, HideMode::KeepShowing, m_displayMode).size());
            parent()->panel()->move(0, 0);
        }
    });

    connect(ani1, &QVariantAnimation::valueChanged, this, [ = ](const QVariant & value) {
        updateParentGeometry(value, fromPos);
    });

    // 显示时固定一下内容大小
    connect(ani2, &QVariantAnimation::stateChanged, this, [ = ](QAbstractAnimation::State newState, QAbstractAnimation::State oldState) {
        // 位置发生变化时需要更新位置属性,且要在隐藏动画之后,显示动画之前
        DockItem::setDockPosition(m_position);
        qApp->setProperty(PROP_POSITION, QVariant::fromValue(m_position));

        if (newState == QVariantAnimation::Running && oldState == QVariantAnimation::Stopped) {
            parent()->panel()->setFixedSize(dockRect(toScreen, toPos, HideMode::KeepShowing, m_displayMode).size());
            parent()->panel()->move(0, 0);
        }
    });

    connect(ani2, &QVariantAnimation::valueChanged, this, [ = ](const QVariant & value) {
        updateParentGeometry(value, toPos);
    });

    // 如果更改了显示位置，在显示之前应该更新一下界面布局方向
    if (fromPos != toPos)
        connect(ani1, &QVariantAnimation::finished, this, [ = ] {
            const auto display = QX11Info::display();
            if (!display) {
                qWarning() << "QX11Info::display() is " << display;
            } else {
                // 先清除原先的窗管任务栏区域
                XcbMisc::instance()->clear_strut_partial(xcb_window_t(parent()->winId()));
            }

            // 隐藏后需要通知界面更新布局方向
            emit requestUpdateLayout();
        });

    connect(group, &QVariantAnimation::finished, this, [ = ] {
        m_aniStart = false;

        // 结束之后需要根据确定需要再隐藏
        emit showAniFinished();
        emit requestUpdateFrontendGeometry();
        emit requestNotifyWindowManager();
    });

    m_aniStart = true;

    group->start(QVariantAnimation::DeleteWhenStopped);
}

void MultiScreenWorker::updateDockScreenName(const QString &screenName)
{
    Q_UNUSED(screenName);

    m_ds.updateDockedScreen(getValidScreen(m_position));

    qInfo() << "update dock screen: " << m_ds.current();
}

QString MultiScreenWorker::getValidScreen(const Position &pos)
{
    QList<Monitor *> monitorList = m_mtrInfo.validMonitor();
    // 查找主屏
    QString primaryName;
    foreach (auto monitor, monitorList) {
        if (monitor->name() == m_ds.primary()) {
            primaryName = monitor->name();
            break;
        }
    }

    if (primaryName.isEmpty()) {
        qWarning() << "cannnot find primary screen, wait for 3s to update...";
        QTimer::singleShot(3000, this, &MultiScreenWorker::requestUpdateMonitorInfo);
        return QString();
    }

    Monitor *primaryMonitor = monitorByName(m_mtrInfo.validMonitor(), primaryName);
    if (!primaryMonitor) {
        qWarning() << "cannot find monitor by name: " << primaryName;
        return QString();
    }

    // 优先选用主屏显示
    if (primaryMonitor->dockPosition().docked(pos))
        return primaryName;

    // 主屏不满足再找其他屏幕
    foreach (auto monitor, monitorList) {
        if (monitor->name() != primaryName && monitor->dockPosition().docked(pos)) {
            return monitor->name();
        }
    }

    Q_UNREACHABLE();
}

void MultiScreenWorker::resetDockScreen()
{
    QList<Monitor *> monitorList = m_mtrInfo.validMonitor();
    if (monitorList.size() == 2) {
        Monitor *primaryMonitor = monitorByName(m_mtrInfo.validMonitor(), m_ds.primary());
        if (!primaryMonitor) {
            qWarning() << "cannot find monitor by name: " << m_ds.primary();
            return;
        }
        if (!primaryMonitor->dockPosition().docked(position())) {
            foreach (auto monitor, monitorList) {
                if (monitor->name() != m_ds.current()
                        && monitor->dockPosition().docked(position())) {
                    m_ds.updateDockedScreen(monitor->name());
                    qInfo() << "update dock screen: " << monitor->name();
                }
            }
        }
    }

    // 更新任务栏自身信息
    /**
      *注意这里要先对parent()进行setFixedSize，在分辨率切换过程中，setGeometry可能会导致其大小未改变
      */
    parent()->setFixedSize(dockRect(m_ds.current()).size());
    parent()->setGeometry(dockRect(m_ds.current()));
    parent()->panel()->setFixedSize(dockRect(m_ds.current()).size());
    parent()->panel()->move(0, 0);
}

void MultiScreenWorker::checkDaemonDockService()
{
    auto connectionInit = [ = ](DBusDock * dockInter) {
        connect(dockInter, &DBusDock::ServiceRestarted, this, [ = ] {
            resetDockScreen();

            emit requestUpdateFrontendGeometry();
        });
        connect(dockInter, &DBusDock::OpacityChanged, this, &MultiScreenWorker::onOpacityChanged);
        connect(dockInter, &DBusDock::WindowSizeEfficientChanged, this, &MultiScreenWorker::onWindowSizeChanged);
        connect(dockInter, &DBusDock::WindowSizeFashionChanged, this, &MultiScreenWorker::onWindowSizeChanged);
    };

    const QString serverName = "com.deepin.dde.daemon.Dock";
    QDBusConnectionInterface *ifc = QDBusConnection::sessionBus().interface();

    if (!ifc->isServiceRegistered(serverName)) {
        connect(ifc, &QDBusConnectionInterface::serviceOwnerChanged, this, [ = ](const QString & name, const QString & oldOwner, const QString & newOwner) {
            Q_UNUSED(oldOwner)
            if (name == serverName && !newOwner.isEmpty()) {
                FREE_POINT(m_dockInter);

                m_dockInter = new DBusDock(serverName, "/com/deepin/dde/daemon/Dock", QDBusConnection::sessionBus(), this);
                // connect
                connectionInit(m_dockInter);

                // reinit data
                reInitDisplayData();

                // operation
                onPositionChanged();
                onDisplayModeChanged();
                onHideModeChanged();
                onHideStateChanged();
                onOpacityChanged(m_dockInter->opacity());

                disconnect(ifc);
            }
        });
    } else {
        connectionInit(m_dockInter);
    }
}

void MultiScreenWorker::checkDaemonDisplayService()
{
    auto connectionInit = [ = ](DisplayInter *displayInter) {
        connect(displayInter, &DisplayInter::MonitorsChanged, this, &MultiScreenWorker::onMonitorListChanged);
        connect(displayInter, &DisplayInter::MonitorsChanged, this, &MultiScreenWorker::requestUpdateRegionMonitor);
        connect(displayInter, &DisplayInter::PrimaryRectChanged, this, &MultiScreenWorker::primaryScreenChanged, Qt::QueuedConnection);
        connect(displayInter, &DisplayInter::ScreenHeightChanged, this, &MultiScreenWorker::primaryScreenChanged, Qt::QueuedConnection);
        connect(displayInter, &DisplayInter::ScreenWidthChanged, this, &MultiScreenWorker::primaryScreenChanged, Qt::QueuedConnection);
        connect(displayInter, &DisplayInter::PrimaryChanged, this, &MultiScreenWorker::primaryScreenChanged, Qt::QueuedConnection);
    };

    const QString serverName = "com.deepin.daemon.Display";
    QDBusConnectionInterface *ifc = QDBusConnection::sessionBus().interface();

    if (!ifc->isServiceRegistered(serverName)) {
        connect(ifc, &QDBusConnectionInterface::serviceOwnerChanged, this, [ = ](const QString & name, const QString & oldOwner, const QString & newOwner) {
            Q_UNUSED(oldOwner)
            if (name == serverName && !newOwner.isEmpty()) {
                FREE_POINT(m_displayInter);

                m_displayInter = new DisplayInter(serverName, "/com/deepin/daemon/Display", QDBusConnection::sessionBus(), this);
                // connect
                connectionInit(m_displayInter);

                // reinit data
                reInitDisplayData();

                // 更新任务栏显示位置
                m_monitorUpdateTimer->start();

                disconnect(ifc);
            }
        });
    } else {
        connectionInit(m_displayInter);
    }
}

void MultiScreenWorker::checkXEventMonitorService()
{
    auto connectionInit = [ = ](XEventMonitor * eventInter, XEventMonitor * extralEventInter, XEventMonitor * touchEventInter) {
        connect(eventInter, &XEventMonitor::CursorMove, this, &MultiScreenWorker::onRegionMonitorChanged);
        connect(eventInter, &XEventMonitor::ButtonPress, this, [ = ] {m_btnPress = true;});
        connect(eventInter, &XEventMonitor::ButtonRelease, this, [ = ] {m_btnPress = false;});

        connect(extralEventInter, &XEventMonitor::CursorMove, this, &MultiScreenWorker::onExtralRegionMonitorChanged);

        // 触屏时，后端只发送press、release消息，有move消息则为鼠标，press置false
        connect(touchEventInter, &XEventMonitor::CursorMove, this, [ = ] {m_touchPress = false;});
        connect(touchEventInter, &XEventMonitor::ButtonPress, this, &MultiScreenWorker::onTouchPress);
        connect(touchEventInter, &XEventMonitor::ButtonRelease, this, &MultiScreenWorker::onTouchRelease);
    };

    const QString serverName = "com.deepin.api.XEventMonitor";
    QDBusConnectionInterface *ifc = QDBusConnection::sessionBus().interface();

    if (!ifc->isServiceRegistered(serverName)) {
        connect(ifc, &QDBusConnectionInterface::serviceOwnerChanged, this, [ = ](const QString & name, const QString & oldOwner, const QString & newOwner) {
            Q_UNUSED(oldOwner)
            if (name == serverName && !newOwner.isEmpty()) {
                FREE_POINT(m_eventInter);
                FREE_POINT(m_extralEventInter);
                FREE_POINT(m_touchEventInter);

                m_eventInter = new XEventMonitor(serverName, "/com/deepin/api/XEventMonitor", QDBusConnection::sessionBus());
                m_extralEventInter = new XEventMonitor(serverName, "/com/deepin/api/XEventMonitor", QDBusConnection::sessionBus());
                m_touchEventInter = new XEventMonitor(serverName, "/com/deepin/api/XEventMonitor", QDBusConnection::sessionBus());
                // connect
                connectionInit(m_eventInter, m_extralEventInter, m_touchEventInter);

                disconnect(ifc);
            }
        });
    } else {
        connectionInit(m_eventInter, m_extralEventInter, m_touchEventInter);
    }
}

MainWindow *MultiScreenWorker::parent()
{
    return static_cast<MainWindow *>(m_parent);
}

/**
 * @brief 获取任务栏显示时的参数。目前多屏情况下缩放保持一致，如果后续缩放规则修改，这里需要重新调整
 *
 * @param screenName    当前屏幕名字
 * @param pos           任务栏位置
 * @param displaymode   任务栏显示模式
 * @param withoutScale  是否考虑缩放（true:获取的是真实值; false:获取的是前端认为的值(默认)）
 * @return QRect        任务栏参数
 */
QRect MultiScreenWorker::getDockShowGeometry(const QString &screenName, const Position &pos, const DisplayMode &displaymode, bool withoutScale)
{
    QRect rect;
    const double ratio = withoutScale ? 1 : qApp->devicePixelRatio();
    const int margin = static_cast<int>((displaymode == DisplayMode::Fashion ? 10 : 0) * (withoutScale ? qApp->devicePixelRatio() : 1));
    const int dockSize = static_cast<int>((displaymode == DisplayMode::Fashion ? m_dockInter->windowSizeFashion() : m_dockInter->windowSizeEfficient()) * (withoutScale ? qApp->devicePixelRatio() : 1));
    for (Monitor *monitor : m_mtrInfo.validMonitor()) {
        if (monitor->name() == screenName) {
            switch (pos) {
            case Position::Top:
                rect.setX(static_cast<int>(monitor->x() + margin));
                rect.setY(static_cast<int>(monitor->y() + margin));
                rect.setWidth(static_cast<int>(monitor->w() / ratio - 2 * margin));
                rect.setHeight(dockSize);
                break;
            case Position::Bottom:
                rect.setX(static_cast<int>(monitor->x() + margin));
                rect.setY(static_cast<int>(monitor->y() + monitor->h() / ratio - margin - dockSize));
                rect.setWidth(static_cast<int>(monitor->w() / ratio - 2 * margin));
                rect.setHeight(dockSize);
                break;
            case Position::Left:
                rect.setX(static_cast<int>(monitor->x() + margin));
                rect.setY(static_cast<int>(monitor->y() + margin));
                rect.setWidth(dockSize);
                rect.setHeight(static_cast<int>(monitor->h() / ratio - 2 * margin));
                break;
            case Position::Right:
                rect.setX(static_cast<int>(monitor->x() + monitor->w() / ratio - margin - dockSize));
                rect.setY(static_cast<int>(monitor->y() + margin));
                rect.setWidth(dockSize);
                rect.setHeight(static_cast<int>(monitor->h() / ratio - 2 * margin));
                break;
            }
        }
    }
    return rect;
}

/**
 * @brief 获取任务栏隐藏时的参数。目前多屏情况下缩放保持一致，如果后续缩放规则修改，这里需要重新调整
 *
 * @param screenName    当前屏幕名字
 * @param pos           任务栏位置
 * @param displaymode   任务栏显示模式
 * @param withoutScale  是否考虑缩放（true:获取的是真实值; false:获取的是前端认为的值(默认)）
 * @return QRect        任务栏参数
 */
QRect MultiScreenWorker::getDockHideGeometry(const QString &screenName, const Position &pos, const DisplayMode &displaymode, bool withoutScale)
{
    QRect rect;
    const double ratio = withoutScale ? 1 : qApp->devicePixelRatio();
    const int margin = static_cast<int>((displaymode == DisplayMode::Fashion ? 10 : 0) * (withoutScale ? qApp->devicePixelRatio() : 1));
    for (Monitor *monitor : m_mtrInfo.validMonitor()) {
        if (monitor->name() == screenName) {
            switch (pos) {
            case Position::Top:
                rect.setX(static_cast<int>(monitor->x() + margin));
                rect.setY(static_cast<int>(monitor->y() + margin));
                rect.setWidth(static_cast<int>(monitor->w() / ratio - 2 * margin));
                rect.setHeight(0);
                break;
            case Position::Bottom:
                rect.setX(static_cast<int>(monitor->x() + margin));
                rect.setY(static_cast<int>(monitor->y() + monitor->h() / ratio - margin));
                rect.setWidth(static_cast<int>(monitor->w() / ratio - 2 * margin));
                rect.setHeight(0);
                break;
            case Position::Left:
                rect.setX(static_cast<int>(monitor->x() + margin));
                rect.setY(static_cast<int>(monitor->y() + margin));
                rect.setWidth(0);
                rect.setHeight(static_cast<int>(monitor->h() / ratio - 2 * margin));
                break;
            case Position::Right:
                rect.setX(static_cast<int>(monitor->x() + monitor->w() / ratio - margin));
                rect.setY(static_cast<int>(monitor->y() + margin));
                rect.setWidth(0);
                rect.setHeight(static_cast<int>(monitor->h() / ratio - 2 * margin));
                break;
            }
        }
    }
    return rect;
}

Monitor *MultiScreenWorker::monitorByName(const QList<Monitor *> &list, const QString &screenName)
{
    foreach (auto monitor, list) {
        if (monitor->name() == screenName) {
            return monitor;
        }
    }
    return nullptr;
}

QScreen *MultiScreenWorker::screenByName(const QString &screenName)
{
    foreach (QScreen *screen, qApp->screens()) {
        if (screen->name() == screenName)
            return screen;
    }
    return nullptr;
}

bool MultiScreenWorker::onScreenEdge(const QString &screenName, const QPoint &point)
{
    bool ret = false;
    QScreen *screen = screenByName(screenName);
    if (screen) {
        const QRect r { screen->geometry() };
        const QRect rect { r.topLeft(), r.size() *screen->devicePixelRatio() };
        if (rect.x() == point.x()
                || rect.x() + rect.width() == point.x()
                || rect.y() == point.y()
                || rect.y() + rect.height() == point.y())
            ret = true;
    }
    return ret;
}

bool MultiScreenWorker::onScreenEdge(const QPoint &point)
{
    bool ret = false;
    foreach (QScreen *screen, qApp->screens()) {
        const QRect r { screen->geometry() };
        const QRect rect { r.topLeft(), r.size() *screen->devicePixelRatio() };
        if (rect.x() == point.x()
                || rect.x() + rect.width() == point.x()
                || rect.y() == point.y()
                || rect.y() + rect.height() == point.y())
            ret = true;
        break;
    }

    return ret;
}

bool MultiScreenWorker::contains(const MonitRect &rect, const QPoint &pos)
{
    return (pos.x() <= rect.x2 && pos.x() >= rect.x1 && pos.y() >= rect.y1 && pos.y() <= rect.y2);
}

bool MultiScreenWorker::contains(const QList<MonitRect> &rectList, const QPoint &pos)
{
    bool ret = false;
    foreach (auto rect, rectList) {
        if (contains(rect, pos)) {
            ret = true;
            break;
        }
    }
    return ret;
}

const QPoint MultiScreenWorker::rawXPosition(const QPoint &scaledPos)
{
    QScreen const *screen = Utils::screenAtByScaled(scaledPos);

    return screen ? screen->geometry().topLeft() +
                    (scaledPos - screen->geometry().topLeft()) *
                    screen->devicePixelRatio()
                  : scaledPos;
}

/**
 * @brief 通过 xcb 获取屏幕的宽高。
 * display 服务中获取的屏幕宽高在旋转屏幕的特殊场景下会出错（宽高写反了），故通过这个方法修正，
 * 后续 display 服务的数据正常后，这个方法可以用于异常处理时的备选方案。
 */
void MultiScreenWorker::updateScreenSize()
{
    /* Open the connection to the X server. Use the DISPLAY environment variable */
    int screenNum;
    xcb_connection_t *connection = xcb_connect(NULL, &screenNum);

    /* Check for failure */
    if (xcb_connection_has_error(connection)) {
        xcb_disconnect(connection);
        return;
    }

    /* Get the screen whose number is screenNum */
    const xcb_setup_t *setup = xcb_get_setup(connection);
    xcb_screen_iterator_t iter = xcb_setup_roots_iterator(setup);

    /* we want the screen at index screenNum of the iterator */
    for (int i = 0; i < screenNum; ++i) {
        xcb_screen_next(&iter);
    }

    xcb_screen_t *screen = iter.data;

    m_screenRawWidth = screen->width_in_pixels;
    m_screenRawHeight = screen->height_in_pixels;

    xcb_disconnect(connection);
}

void MultiScreenWorker::onTouchPress(int type, int x, int y, const QString &key)
{
    Q_UNUSED(type);
    if (key != m_touchRegisterKey) {
        return;
    }

    m_touchPress = true;
    m_touchPos = QPoint(x, y);
}

void MultiScreenWorker::onTouchRelease(int type, int x, int y, const QString &key)
{
    Q_UNUSED(type);
    if (key != m_touchRegisterKey) {
        return;
    }

    if (!m_touchPress) {
        return;
    }
    m_touchPress = false;

    // 不从指定方向划入，不进行任务栏唤醒；如当任务栏在下，需从下往上划
    switch (m_position) {
    case Top:
        if (m_touchPos.y() >= y) {
            return;
        }
        break;
    case Bottom:
        if (m_touchPos.y() <= y) {
            return;
        }
        break;
    case Left:
        if (m_touchPos.x() >= x) {
            return;
        }
        break;
    case Right:
        if (m_touchPos.x() <= x) {
            return;
        }
        break;
    }

    tryToShowDock(x, y);
}

void MultiScreenWorker::tryToShowDock(int eventX, int eventY)
{
    if (m_draging || m_aniStart) {
        qWarning() << "dock is draging or animation is running";
        return;
    }

    QString toScreen;
    QScreen *screen = Utils::screenAtByScaled(QPoint(eventX, eventY));
    if (!screen) {
        qWarning() << "cannot find the screen" << QPoint(eventX, eventY);
        return;
    }

    toScreen = screen->name();

    /**
     * 坐标位于当前屏幕边缘时,当做屏幕内移动处理(防止鼠标移动到边缘时不唤醒任务栏)
     * 使用screenAtByScaled获取屏幕名时,实际上获取的不一定是当前屏幕
     * 举例:点(100,100)不在(0,0,100,100)的屏幕上
     */
    if (onScreenEdge(m_ds.current(), QPoint(eventX, eventY))) {
        toScreen = m_ds.current();
    }

    // 过滤重复坐标
    static QPoint lastPos(0, 0);
    if (lastPos == QPoint(eventX, eventY)) {
        return;
    }
    lastPos = QPoint(eventX, eventY);

#ifdef QT_DEBUG
    qDebug() << eventX << eventY << m_ds.current() << toScreen;
#endif

    // 任务栏显示状态，但需要切换屏幕
    if (toScreen != m_ds.current()) {
        if (!m_delayTimer->isActive()) {
            m_delayScreen = toScreen;
            m_delayTimer->start();
        }
    } else {
        // 任务栏隐藏状态，但需要显示
        if (hideMode() == HideMode::KeepShowing) {
            parent()->setFixedSize(dockRect(m_ds.current()).size());
            parent()->setGeometry(dockRect(m_ds.current()));
            return;
        }

        if (m_showAniStart) {
            qDebug() << "animation is running";
            return;
        }

        const QRect boundRect = parent()->visibleRegion().boundingRect();
        qDebug() << "boundRect:" << boundRect;
        if ((m_hideMode == HideMode::KeepHidden || m_hideMode == HideMode::SmartHide)
                && (boundRect.size().isEmpty())) {
            displayAnimation(m_ds.current(), AniAction::Show);
        }
    }
}

void MultiScreenWorker::onConfigChange(const QString &changeKey)
{
    if (changeKey == MonitorsSwitchTime) {
        m_delayTimer->setInterval(m_monitorSetting->get(MonitorsSwitchTime).toInt());
    } else if (changeKey == OnlyShowPrimary) {
        m_mtrInfo.setShowInPrimary(m_monitorSetting->get(OnlyShowPrimary).toBool());
        // 每次切换都更新一下屏幕显示的信息
        emit requestUpdateMonitorInfo();
    }
}