securityscreen.cpp

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** Software Author: Timesys Corporation (www.timesys.com)
**
** Summary: Qt UI handling class for the Security screen. Please consult securityscreen.ui file for
**          object definitions
**
****************************************************************************/

#include <QPropertyAnimation>
#include <QParallelAnimationGroup>
#include <QTimer>
#include <QDebug>

#include "securityscreen.h"
#include "ui_securityscreen.h"

/***
 ** Default constructor
 **/
SecurityScreen::SecurityScreen(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::SecurityScreen)
{
    ui->setupUi(this);

    if (isSmallResolution) {

        autoHideTimer = new QTimer(this);
        timeOut = 3000;

        autoHideTimer->setSingleShot(true);
        connect (autoHideTimer, SIGNAL(timeout()), this, SLOT(toggleMenus()));

        float wSFactor = 480. / 800.;
        float hSFactor = 272. / 480.;

        setGeometry(0, 0, this->width() * wSFactor, this->height() * hSFactor);

        ui->label->setPixmap(QPixmap(QString::fromUtf8(":/resources/smalltopnav-all/title-security.png")));
        ui->label_2->setPixmap(QPixmap(QString::fromUtf8(":/resources/smalltopnav-all/nav-filler.png")));

        QSize size = QSize(60 * wSFactor, 60 * hSFactor);

        QIcon icon;
        icon.addFile(QString::fromUtf8(":/resources/smallcamera/Security_btn_1_talk.png"), QSize(), QIcon::Normal, QIcon::On);
        ui->pushButtonSpeak->setIcon(icon);
        ui->pushButtonSpeak->setIconSize(size);
        ui->pushButtonSpeak->setMinimumSize(0,0);
        ui->pushButtonSpeak->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);

        QIcon icon1;
        icon1.addFile(QString::fromUtf8(":/resources/smallcamera/Security_btn_3_noaccess.png"), QSize(), QIcon::Normal, QIcon::On);
        ui->pushButtonAlert->setIcon(icon1);
        ui->pushButtonAlert->setIconSize(size);
        ui->pushButtonAlert->setMinimumSize(0,0);
        ui->pushButtonAlert->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);

        QIcon icon2;
        icon2.addFile(QString::fromUtf8(":/resources/smallcamera/Security_btn_2_allowaccess.png"), QSize(), QIcon::Normal, QIcon::On);
        ui->pushButtonBuzz->setIcon(icon2);
        ui->pushButtonBuzz->setIconSize(size);
        ui->pushButtonBuzz->setMinimumSize(0,0);
        ui->pushButtonBuzz->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);

        ui->label->setMaximumSize(ui->label->maximumWidth() * wSFactor, ui->label->maximumHeight() * hSFactor);
        ui->label_2->setMaximumSize(ui->label_2->maximumWidth() * wSFactor, ui->label_2->maximumHeight() * hSFactor);
        ui->buttonZone1->setMinimumSize(ui->buttonZone1->minimumWidth() * wSFactor, ui->buttonZone1->minimumHeight() * hSFactor);
        ui->buttonZone2->setMinimumSize(ui->buttonZone2->minimumWidth() * wSFactor, ui->buttonZone2->minimumHeight() * hSFactor);
        ui->buttonZone3->setMinimumSize(ui->buttonZone3->minimumWidth() * wSFactor, ui->buttonZone3->minimumHeight() * hSFactor);

        QFont f = ui->buttonZone1->font();
        f.setPointSize(f.pointSize() * hSFactor-2);
        ui->buttonZone1->setFont(f);

        f = ui->buttonZone2->font();
        f.setPointSize(f.pointSize() * hSFactor-2);
        ui->buttonZone2->setFont(f);

        f = ui->buttonZone3->font();
        f.setPointSize(f.pointSize() * hSFactor-2);
        ui->buttonZone3->setFont(f);

        ui->topMenuLayout->setMargin(0);

        // Add toggle button
        QIcon icon3;
        icon3.addFile(QString::fromUtf8(":/resources/smallcamera/up.png"), QSize(), QIcon::Normal, QIcon::Off);
        icon3.addFile(QString::fromUtf8(":/resources/smallcamera/down.png"), QSize(), QIcon::Normal, QIcon::On);

        QPushButton *toggleButton = new QPushButton(ui->buttonWidget);
        toggleButton->setObjectName(QString::fromUtf8("toggleButton"));
        toggleButton->setFocusPolicy(Qt::NoFocus);
        toggleButton->setAutoFillBackground(false);
        toggleButton->setEnabled(true);
        toggleButton->setFlat(true);
        toggleButton->setCheckable(true);
        toggleButton->setChecked(false);
        toggleButton->setIcon(icon3);
        toggleButton->setIconSize(size);
        toggleButton->setMinimumSize(0,0);
        toggleButton->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);

        ui->buttonNaviLayout->insertWidget(0, toggleButton);

        connect (toggleButton, SIGNAL(clicked()), this, SLOT(toggleMenus()));

        ui->buttonWidget->resize(60, 272 - ui->topMenuWidget->height());

        // move button to right bottom corner with only switch up visible button
        ui->buttonWidget->move(this->width() - 37, 272 - 50);
        ui->buttonWidget->setStyleSheet("background-color: rgb(21, 26, 32)");

        ui->topMenuWidget->resize(480, ui->topMenuWidget->height());
        ui->topMenuWidget->move(-ui->topMenuWidget->width(), 0);
        ui->topMenuWidget->setStyleSheet("background-color: rgb(21, 26, 32)");

        // Reparent menu widget
        ui->verticalLayout_2->removeWidget(ui->topMenuWidget);
        delete ui->verticalLayout_2;
        ui->graphicsWidgetLayout->removeWidget(ui->cameraSurveillance);
        ui->graphicsWidgetLayout->removeWidget(ui->buttonWidget);
        delete ui->graphicsWidgetLayout;

        ui->cameraSurveillance->setParent(this);
        ui->buttonWidget->setParent(this);
        ui->topMenuWidget->setParent(this);

        // Change paint order
        ui->topMenuWidget->stackUnder(this);
        ui->buttonWidget->stackUnder(ui->topMenuWidget);
        ui->cameraSurveillance->stackUnder(ui->buttonWidget);

        ui->buttonNaviLayout->setContentsMargins(0, 0, 0, 0);
        ui->buttonNaviLayout->setMargin(0);
        ui->buttonNaviLayout->setSpacing(18);

        ui->cameraSurveillance->resize(444, 272);

        connect (ui->pushButtonAlert, SIGNAL(clicked()), this, SLOT(runTimer()));
        connect (ui->pushButtonBuzz, SIGNAL(clicked()), this, SLOT(runTimer()));
        connect (ui->pushButtonSpeak, SIGNAL(clicked()), this, SLOT(runTimer()));

    } else {

        ui->label->setPixmap(QPixmap(QString::fromUtf8(":/resources/topnav-all/title-security.png")));
        ui->label_2->setPixmap(QPixmap(QString::fromUtf8(":/resources/topnav-all/nav-filler.png")));

        QSize size = QSize(60, 60);

        QIcon icon;
        icon.addFile(QString::fromUtf8(":/resources/camera/Security_btn_1_talk.png"), QSize(), QIcon::Normal, QIcon::On);
        ui->pushButtonSpeak->setIcon(icon);
        ui->pushButtonSpeak->setIconSize(size);

        QIcon icon1;
        icon1.addFile(QString::fromUtf8(":/resources/camera/Security_btn_3_noaccess.png"), QSize(), QIcon::Normal, QIcon::On);
        ui->pushButtonAlert->setIcon(icon1);
        ui->pushButtonAlert->setIconSize(size);

        QIcon icon2;
        icon2.addFile(QString::fromUtf8(":/resources/camera/Security_btn_2_allowaccess.png"), QSize(), QIcon::Normal, QIcon::On);
        ui->pushButtonBuzz->setIcon(icon2);
        ui->pushButtonBuzz->setIconSize(size);

    }
}

/***
 ** Default destructor
 **/
SecurityScreen::~SecurityScreen()
{
    delete ui;
}

/***
 ** Display live video from the first USB connected camera
 **/
void SecurityScreen::on_buttonZone1_clicked()
{   
    ui->cameraSurveillance->stopVideo();
    ui->cameraSurveillance->onStartVideo(QString("/dev/video0"));
    ui->buttonZone1->setChecked(true);
    ui->buttonZone2->setChecked(false);
    ui->buttonZone3->setChecked(false);

    runTimer();

    //TODO: Can add face recognition processing code here, or
    //      store the feed into a local or a remote file, or
    //      do any other processing of the video feed
}

/***
 ** Display live video from the second USB connected camera
 **/
void SecurityScreen::on_buttonZone2_clicked()
{
    ui->cameraSurveillance->stopVideo();
    ui->cameraSurveillance->onStartVideo(QString("/dev/video1"));
    ui->buttonZone1->setChecked(false);
    ui->buttonZone2->setChecked(true);
    ui->buttonZone3->setChecked(false);

    runTimer();
}

/***
 ** Display live video from the third USB connected camera
 **/
void SecurityScreen::on_buttonZone3_clicked()
{
    ui->cameraSurveillance->stopVideo();
    ui->cameraSurveillance->onStartVideo(QString("/dev/video2"));
    ui->buttonZone1->setChecked(false);
    ui->buttonZone2->setChecked(false);
    ui->buttonZone3->setChecked(true);

    runTimer();

}

/***
 ** Run single shot timer to auto hide menus, for small resolution
 **/
void SecurityScreen::runTimer()
{
    // Run only in small resolution
    if (!isSmallResolution)
        return;

    if (autoHideTimer->isActive()) {
        autoHideTimer->stop();
    }

    autoHideTimer->start(timeOut);
}

/***
 ** Reset live camera capture screen. Turn off all camera feeds
 **/
void SecurityScreen::turnOffCameras()
{
    ui->buttonZone1->setChecked(false);
    ui->buttonZone2->setChecked(false);
    ui->buttonZone3->setChecked(false);
    ui->cameraSurveillance->stopVideo();

}

/***
 ** Set Zone Names based on Settings panel entries
 **/
void SecurityScreen::setSecurityZoneNames(QStringList& zoneList)
{

    if(zoneList.size() > 0)
        ui->buttonZone1->setText(zoneList.at(0));
    if(zoneList.size() > 1)
        ui->buttonZone2->setText(zoneList.at(1));
    if(zoneList.size() > 2)
        ui->buttonZone3->setText(zoneList.at(2));
}

/***
 ** Toggle visibility of menus on Ui
 **/
void SecurityScreen::toggleMenus()
{
    if (this->sender() == autoHideTimer) {
        setButtonState(false);
    } else {
        autoHideTimer->stop();
    }

    QPropertyAnimation *buttonsAnim = new QPropertyAnimation(ui->buttonWidget, "geometry");
    QPropertyAnimation *topMenuAnim = new QPropertyAnimation(ui->topMenuWidget, "geometry");

    // Determine Ui widget position, if pos.x if > height() * .5 widget is on top
    buttonsAnim->setDuration(transition_speed);
    buttonsAnim->setStartValue(ui->buttonWidget->geometry());

    topMenuAnim->setDuration(transition_speed);
    topMenuAnim->setStartValue(ui->topMenuWidget->geometry());

    if (ui->buttonWidget->geometry().top() > (this->height() * .5)) {
        buttonsAnim->setEndValue(QRect(this->width() - ui->buttonWidget->width(), ui->topMenuWidget->height(), ui->buttonWidget->width(), ui->buttonWidget->height()));
        topMenuAnim->setEndValue(QRect(0, 0, ui->topMenuWidget->width(), ui->topMenuWidget->height()));

    } else {
        buttonsAnim->setEndValue(QRect(this->width() - ui->buttonWidget->width(), this->height() - 50, ui->buttonWidget->width(), ui->buttonWidget->height()));
        topMenuAnim->setEndValue(QRect(-ui->topMenuWidget->width(), 0, ui->topMenuWidget->width(), ui->topMenuWidget->height()));
    }

    QParallelAnimationGroup *group = new QParallelAnimationGroup(this);
    group->addAnimation(buttonsAnim);
    group->addAnimation(topMenuAnim);

    connect (group, SIGNAL(finished()), this, SLOT(animFinished()));

    group->start(QAbstractAnimation::DeleteWhenStopped);

}

void SecurityScreen::animFinished()
{

    if (getButtonState())
        runTimer();
}

void SecurityScreen::setButtonState(bool isChecked)
{
    QPushButton *button = ui->buttonWidget->findChild<QPushButton *>("toggleButton");

    if (!button) {
        qDebug() << "null widget";
        return;
    }

    button->setChecked(isChecked);
}

bool SecurityScreen::getButtonState()
{
    QPushButton *button = ui->buttonWidget->findChild<QPushButton *>("toggleButton");

    if (!button) {
        qDebug() << "null widget";
        return false;
    }

    return button->isChecked();
}