Move windows app icon progress report API to QgsNative

src/app/qgisapp.cpp

@@ -98,11 +98,6 @@
 #include <QNetworkProxy>
 #include <QAuthenticator>
 
-#ifdef Q_OS_WIN
-#include <QWinTaskbarButton>
-#include <QWinTaskbarProgress>
-#endif
-
 #ifdef Q_OS_WIN
 #include <QtWinExtras/QWinJumpList>
 #include <QtWinExtras/QWinJumpListItem>
@@ -1307,18 +1302,21 @@ QgisApp::QgisApp( QSplashScreen *splash, bool restorePlugins, bool skipVersionCh
 
   connect( QgsApplication::taskManager(), &QgsTaskManager::statusChanged, this, &QgisApp::onTaskCompleteShowNotify );
 
-#ifdef Q_OS_WIN
-  QWinTaskbarButton *taskButton = new QWinTaskbarButton( this );
-  taskButton->setWindow( windowHandle() );
+  QgsGui::instance()->nativePlatformInterface()->initializeMainWindow( windowHandle() );
 
-  QWinTaskbarProgress *taskProgress = taskButton->progress();
-  taskProgress->setVisible( false );
-  connect( QgsApplication::taskManager(), &QgsTaskManager::taskAdded, taskProgress, [taskProgress] { taskProgress->setMaximum( 0 ); taskProgress->show(); }
-         );
-  connect( QgsApplication::taskManager(), &QgsTaskManager::finalTaskProgressChanged, taskProgress, [taskProgress]( double val ) { taskProgress->setMaximum( 100 ); taskProgress->show(); taskProgress->setValue( val ); }
-         );
-  connect( QgsApplication::taskManager(), &QgsTaskManager::allTasksFinished, taskProgress, &QWinTaskbarProgress::hide );
-#endif
+  // setup application progress reports from task manager
+  connect( QgsApplication::taskManager(), &QgsTaskManager::taskAdded, this, []
+  {
+    QgsGui::instance()->nativePlatformInterface()->showUndefinedApplicationProgress();
+  } );
+  connect( QgsApplication::taskManager(), &QgsTaskManager::finalTaskProgressChanged, this, []( double val )
+  {
+    QgsGui::instance()->nativePlatformInterface()->setApplicationProgress( val );
+  } );
+  connect( QgsApplication::taskManager(), &QgsTaskManager::allTasksFinished, this, []
+  {
+    QgsGui::instance()->nativePlatformInterface()->hideApplicationProgress();
+  } );
 
   // supposedly all actions have been added, now register them to the shortcut manager
   QgsGui::shortcutsManager()->registerAllChildren( this );

src/native/CMakeLists.txt

@@ -142,7 +142,11 @@ IF (UNIX)
 ENDIF (UNIX)
 
 IF (WIN32)
+  FIND_PACKAGE(Qt5WinExtras)
+
   TARGET_LINK_LIBRARIES(qgis_native shell32)
+  TARGET_LINK_LIBRARIES(qgis_native ${Qt5Widget_LIBRARIES} ${QT_QTMAIN_LIBRARY})
+  TARGET_LINK_LIBRARIES(qgis_native Qt5::WinExtras)
 ENDIF (WIN32)
 # install
 

src/native/qgsnative.cpp

@@ -21,6 +21,11 @@
 #include <QUrl>
 #include <QFileInfo>
 
+void QgsNative::initializeMainWindow( QWindow * )
+{
+
+}
+
 void QgsNative::currentAppActivateIgnoringOtherApps()
 {
 }
@@ -31,3 +36,18 @@ void QgsNative::openFileExplorerAndSelectFile( const QString &path )
   QString folder = fi.path();
   QDesktopServices::openUrl( QUrl::fromLocalFile( folder ) );
 }
+
+void QgsNative::showUndefinedApplicationProgress()
+{
+
+}
+
+void QgsNative::setApplicationProgress( double progress )
+{
+
+}
+
+void QgsNative::hideApplicationProgress()
+{
+
+}

src/native/qgsnative.h

@@ -21,6 +21,7 @@
 #include "qgis_native.h"
 
 class QString;
+class QWindow;
 
 /**
  * \class QgsNative
@@ -35,6 +36,15 @@ class NATIVE_EXPORT QgsNative
 
     virtual ~QgsNative() = default;
 
+    /**
+     * Initializes the native interface, using the specified \a window.
+     *
+     * The default implementation does nothing.
+     *
+     * \since QGIS 3.4
+     */
+    virtual void initializeMainWindow( QWindow *window );
+
     /**
      * Brings the QGIS app to front. The default implementation does nothing.
      */
@@ -50,6 +60,43 @@ class NATIVE_EXPORT QgsNative
      * \since QGIS 3.4
      */
     virtual void openFileExplorerAndSelectFile( const QString &path );
+
+    /**
+     * Shows the application progress report, using an "undefined" total
+     * type progress (i.e. the platform's way of showing that a task
+     * is occurring with an unknown progress).
+     *
+     * The default implementation does nothing.
+     *
+     * \see setApplicationProgress()
+     * \see hideApplicationProgress()
+     * \since QGIS 3.4
+     */
+    virtual void showUndefinedApplicationProgress();
+
+    /**
+     * Shows the application progress report, with the
+     * specified \a progress (in percent).
+     *
+     * The default implementation does nothing.
+     *
+     * \see showUndefinedApplicationProgress()
+     * \see hideApplicationProgress()
+     * \since QGIS 3.4
+     */
+    virtual void setApplicationProgress( double progress );
+
+    /**
+     * Hides the application progress report.
+     *
+     * The default implementation does nothing.
+     *
+     * \see showUndefinedApplicationProgress()
+     * \see setApplicationProgress()
+     * \since QGIS 3.4
+     */
+    virtual void hideApplicationProgress();
+
 };
 
 #endif // QGSNATIVE_H

src/native/win/qgswinnative.cpp

@@ -18,6 +18,20 @@
 #include "qgswinnative.h"
 #include <QString>
 #include <QDir>
+#include <QWindow>
+#include <QtWinExtras/QWinTaskbarButton>
+#include <QtWinExtras/QWinTaskbarProgress>
+
+void QgsWinNative::initializeMainWindow( QWindow *window )
+{
+  if ( mTaskButton )
+    return; // already initialized!
+
+  mTaskButton = new QWinTaskbarButton( window );
+  mTaskButton->setWindow( window );
+  mTaskProgress = mTaskButton->progress();
+  mTaskProgress->setVisible( false );
+}
 
 void QgsWinNative::openFileExplorerAndSelectFile( const QString &path )
 {
@@ -29,3 +43,21 @@ void QgsWinNative::openFileExplorerAndSelectFile( const QString &path )
     ILFree( pidl );
   }
 }
+
+void QgsWinNative::showUndefinedApplicationProgress()
+{
+  mTaskProgress->setMaximum( 0 );
+  mTaskProgress->show();
+}
+
+void QgsWinNative::setApplicationProgress( double progress )
+{
+  mTaskProgress->setMaximum( 100 );
+  mTaskProgress->show();
+  mTaskProgress->setValue( progress );
+}
+
+void QgsWinNative::hideApplicationProgress()
+{
+  mTaskProgress->hide();
+}

src/native/win/qgswinnative.h

@@ -23,10 +23,23 @@
 #include <shlobj.h>
 #pragma comment(lib,"Shell32.lib")
 
+class QWinTaskbarButton;
+class QWinTaskbarProgress;
+class QWindow;
+
 class NATIVE_EXPORT QgsWinNative : public QgsNative
 {
   public:
+    void initializeMainWindow( QWindow *window ) override;
     void openFileExplorerAndSelectFile( const QString &path ) override;
+    void showUndefinedApplicationProgress() override;
+    void setApplicationProgress( double progress ) override;
+    void hideApplicationProgress() override;
+
+  private:
+
+    QWinTaskbarButton *mTaskButton = nullptr;
+    QWinTaskbarProgress *mTaskProgress = nullptr;
 };
 
 #endif // QGSMACNATIVE_H