featurepermissionbar.cpp Example File

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  #include "featurepermissionbar.h"

  #include <QLabel>
  #include <QPushButton>
  #include <QHBoxLayout>
  #include <QUrl>
  #include <QPropertyAnimation>

  static const int defaultHeight = 30;

  static QString textForPermissionType(QWebEnginePage::Feature type)
  {
      switch (type) {
      case QWebEnginePage::Notifications:
          return QObject::tr("use desktop notifications");
      case QWebEnginePage::Geolocation:
          return QObject::tr("use your position");
      case QWebEnginePage::MediaAudioCapture:
          return QObject::tr("use your microphone");
      case QWebEnginePage::MediaVideoCapture:
          return QObject::tr("use your camera");
      case QWebEnginePage::MediaAudioVideoCapture:
          return QObject::tr("use your camera and microphone");
      case QWebEnginePage::MouseLock:
          return QObject::tr("lock your mouse");
      default:
          Q_UNREACHABLE();
      }
      return QString();
  }

  FeaturePermissionBar::FeaturePermissionBar(QWidget *view)
      : QWidget(view)
      , m_messageLabel(new QLabel(this))
  {
      setAutoFillBackground(true);
      QHBoxLayout *l = new QHBoxLayout;
      setLayout(l);
      l->setContentsMargins(defaultHeight, 0, 0, 0);
      l->addWidget(m_messageLabel);
      l->addStretch();
      QPushButton *allowButton = new QPushButton(tr("Allow"), this);
      QPushButton *denyButton = new QPushButton(tr("Deny"), this);
      QPushButton *discardButton = new QPushButton(QIcon(QStringLiteral(":closetab.png")), QString(), this);
      connect(allowButton, &QPushButton::clicked, this, &FeaturePermissionBar::permissionGranted);
      connect(denyButton, &QPushButton::clicked, this, &FeaturePermissionBar::permissionDenied);
      connect(discardButton, &QPushButton::clicked, this, &FeaturePermissionBar::permissionUnknown);
      connect(allowButton, &QPushButton::clicked, this, &QObject::deleteLater);
      connect(denyButton, &QPushButton::clicked, this, &QObject::deleteLater);
      connect(discardButton, &QPushButton::clicked, this, &QObject::deleteLater);
      l->addWidget(denyButton);
      l->addWidget(allowButton);
      l->addWidget(discardButton);
      setGeometry(0, -defaultHeight, view->width(), defaultHeight);
  }

  void FeaturePermissionBar::requestPermission(const QUrl &securityOrigin, QWebEnginePage::Feature feature)
  {
      m_securityOrigin = securityOrigin;
      m_feature = feature;
      m_messageLabel->setText(tr("%1 wants to %2.").arg(securityOrigin.host()).arg(textForPermissionType(feature)));
      show();
      // Ease in
      QPropertyAnimation *animation = new QPropertyAnimation(this);
      animation->setTargetObject(this);
      animation->setPropertyName(QByteArrayLiteral("pos"));
      animation->setDuration(300);
      animation->setStartValue(QVariant::fromValue(pos()));
      animation->setEndValue(QVariant::fromValue(QPoint(0,0)));
      animation->setEasingCurve(QEasingCurve::InOutQuad);
      animation->start(QPropertyAnimation::DeleteWhenStopped);
  }

  void FeaturePermissionBar::permissionDenied()
  {
      emit featurePermissionProvided(m_securityOrigin, m_feature, QWebEnginePage::PermissionDeniedByUser);
  }

  void FeaturePermissionBar::permissionGranted()
  {
      emit featurePermissionProvided(m_securityOrigin, m_feature, QWebEnginePage::PermissionGrantedByUser);
  }

  void FeaturePermissionBar::permissionUnknown()
  {
      emit featurePermissionProvided(m_securityOrigin, m_feature, QWebEnginePage::PermissionUnknown);
  }