[FEATURE] Add linux native progress report API (#7549)

nirvn · web-flow · commit 9664103f22e4 · 2018-08-08T09:16:33.000+07:00
Works on: 
- Unity
- Gnome-Shell (dash to dock extension)
- KDA Plasma
diff --git a/src/native/linux/qgslinuxnative.cpp b/src/native/linux/qgslinuxnative.cpp
@@ -17,6 +17,7 @@
 
 #include "qgslinuxnative.h"
 
+#include <QCoreApplication>
 #include <QUrl>
 #include <QString>
 #include <QtDBus/QtDBus>
@@ -28,6 +29,12 @@ QgsNative::Capabilities QgsLinuxNative::capabilities() const
   return NativeDesktopNotifications;
 }
 
+void QgsLinuxNative::initializeMainWindow( QWindow * )
+{
+  // Hardcoded desktop file value matching our official .deb packages
+  mDesktopFile = QStringLiteral( "qgis.desktop" );
+}
+
 void QgsLinuxNative::openFileExplorerAndSelectFile( const QString &path )
 {
   if ( !QDBusConnection::sessionBus().isConnected() )
@@ -48,6 +55,50 @@ void QgsLinuxNative::openFileExplorerAndSelectFile( const QString &path )
   }
 }
 
+void QgsLinuxNative::showUndefinedApplicationProgress()
+{
+  const QVariantMap properties
+  {
+    { QStringLiteral( "progress-visible" ), true },
+    { QStringLiteral( "progress" ), 0.0 }
+  };
+
+  QDBusMessage message = QDBusMessage::createSignal( QStringLiteral( "/org/qgis/UnityLauncher" ),
+                         QStringLiteral( "com.canonical.Unity.LauncherEntry" ),
+                         QStringLiteral( "Update" ) );
+  message.setArguments( {mDesktopFile, properties} );
+  QDBusConnection::sessionBus().send( message );
+}
+
+void QgsLinuxNative::setApplicationProgress( double progress )
+{
+  const QVariantMap properties
+  {
+    { QStringLiteral( "progress-visible" ), true },
+    { QStringLiteral( "progress" ), progress / 100.0 }
+  };
+
+  QDBusMessage message = QDBusMessage::createSignal( QStringLiteral( "/org/qgis/UnityLauncher" ),
+                         QStringLiteral( "com.canonical.Unity.LauncherEntry" ),
+                         QStringLiteral( "Update" ) );
+  message.setArguments( {mDesktopFile, properties} );
+  QDBusConnection::sessionBus().send( message );
+}
+
+void QgsLinuxNative::hideApplicationProgress()
+{
+  const QVariantMap properties
+  {
+    { QStringLiteral( "progress-visible" ), false },
+  };
+
+  QDBusMessage message = QDBusMessage::createSignal( QStringLiteral( "/org/qgis/UnityLauncher" ),
+                         QStringLiteral( "com.canonical.Unity.LauncherEntry" ),
+                         QStringLiteral( "Update" ) );
+  message.setArguments( {mDesktopFile, properties} );
+  QDBusConnection::sessionBus().send( message );
+}
+
 /**
  * Automatic marshaling of a QImage for org.freedesktop.Notifications.Notify
  *
diff --git a/src/native/linux/qgslinuxnative.h b/src/native/linux/qgslinuxnative.h
@@ -34,8 +34,14 @@ class NATIVE_EXPORT QgsLinuxNative : public QgsNative
 {
   public:
     QgsNative::Capabilities capabilities() const override;
+    void initializeMainWindow( QWindow *window ) override;
     void openFileExplorerAndSelectFile( const QString &path ) override;
+    void showUndefinedApplicationProgress() override;
+    void setApplicationProgress( double progress ) override;
+    void hideApplicationProgress() override;
     NotificationResult showDesktopNotification( const QString &summary, const QString &body, const NotificationSettings &settings = NotificationSettings() ) override;
+  private:
+    QString mDesktopFile;
 };
 
 #endif // QGSLINUXNATIVE_H
