1 files changed, 26 insertions, 1 deletions
diff --git a/platform/qt/src/qmapboxgl_map_observer.cpp b/platform/qt/src/qmapboxgl_map_observer.cpp
index 60c6b81841..44cb8c41d5 100644
--- a/platform/qt/src/qmapboxgl_map_observer.cpp
+++ b/platform/qt/src/qmapboxgl_map_observer.cpp
@@ -2,6 +2,10 @@
 
 #include "qmapboxgl_p.hpp"
 
+#include <mbgl/util/exception.hpp>
+
+#include <exception>
+
 QMapboxGLMapObserver::QMapboxGLMapObserver(QMapboxGLPrivate *d)
     : d_ptr(d)
 {
@@ -44,9 +48,30 @@ void QMapboxGLMapObserver::onDidFinishLoadingMap()
     emit mapChanged(QMapboxGL::MapChangeDidFinishLoadingMap);
 }
 
-void QMapboxGLMapObserver::onDidFailLoadingMap(std::exception_ptr)
+void QMapboxGLMapObserver::onDidFailLoadingMap(std::exception_ptr exception)
 {
     emit mapChanged(QMapboxGL::MapChangeDidFailLoadingMap);
+
+    QMapboxGL::MapLoadingFailure type;
+    QString description;
+
+    try {
+        std::rethrow_exception(exception);
+    } catch (const mbgl::util::StyleParseException& e) {
+        type = QMapboxGL::MapLoadingFailure::StyleParseFailure;
+        description = e.what();
+    } catch (const mbgl::util::StyleLoadException& e) {
+        type = QMapboxGL::MapLoadingFailure::StyleLoadFailure;
+        description = e.what();
+    } catch (const mbgl::util::NotFoundException& e) {
+        type = QMapboxGL::MapLoadingFailure::NotFoundFailure;
+        description = e.what();
+    } catch (const std::exception& e) {
+        type = QMapboxGL::MapLoadingFailure::UnknownFailure;
+        description = e.what();
+    }
+
+    emit mapLoadingFailed(type, description);
 }
 
 void QMapboxGLMapObserver::onWillStartRenderingFrame()