Reenable ImageOverlay

resources/qml/delegates/ImageMessage.qml

@@ -5,10 +5,16 @@ Item {
 	height: 300 * eventData.proportionalHeight
 
 	Image {
+		id: img
 		anchors.fill: parent
 
 		source: eventData.url.replace("mxc://", "image://MxcImage/")
 		asynchronous: true
 		fillMode: Image.PreserveAspectFit
+
+		MouseArea {
+			anchors.fill: parent
+			onClicked: timelineManager.openImageOverlay(img.source)
+		}
 	}
 }

src/timeline2/TimelineViewManager.cpp

@@ -5,8 +5,10 @@
 
 #include "Logging.h"
 #include "MxcImageProvider.h"
+#include "dialogs/ImageOverlay.h"
 
 TimelineViewManager::TimelineViewManager(QWidget *parent)
+  : imgProvider(new MxcImageProvider())
 {
         qmlRegisterUncreatableMetaObject(qml_mtx_events::staticMetaObject,
                                          "com.github.nheko",
@@ -18,7 +20,7 @@ TimelineViewManager::TimelineViewManager(QWidget *parent)
         container = QWidget::createWindowContainer(view, parent);
         container->setMinimumSize(200, 200);
         view->rootContext()->setContextProperty("timelineManager", this);
-        view->engine()->addImageProvider("MxcImage", new MxcImageProvider());
+        view->engine()->addImageProvider("MxcImage", imgProvider);
         view->setSource(QUrl("qrc:///qml/TimelineView.qml"));
 }
 
@@ -52,6 +54,27 @@ TimelineViewManager::setHistoryView(const QString &room_id)
         }
 }
 
+void
+TimelineViewManager::openImageOverlay(QString url) const
+{
+        QQuickImageResponse *imgResponse =
+          imgProvider->requestImageResponse(url.remove("image://mxcimage/"), QSize());
+        connect(imgResponse, &QQuickImageResponse::finished, this, [imgResponse]() {
+                if (!imgResponse->errorString().isEmpty()) {
+                        nhlog::ui()->error("Error when retrieving image for overlay: {}",
+                                           imgResponse->errorString().toStdString());
+                        return;
+                }
+                auto pixmap = QPixmap::fromImage(imgResponse->textureFactory()->image());
+
+                auto imgDialog = new dialogs::ImageOverlay(pixmap);
+                imgDialog->show();
+                // connect(imgDialog, &dialogs::ImageOverlay::saving, this,
+                // &ImageItem::saveAs);
+                Q_UNUSED(imgDialog);
+        });
+}
+
 void
 TimelineViewManager::updateReadReceipts(const QString &room_id,
                                         const std::vector<QString> &event_ids)

src/timeline2/TimelineViewManager.h

@@ -15,6 +15,8 @@
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wunused-parameter"
 
+class MxcImageProvider;
+
 class TimelineViewManager : public QObject
 {
         Q_OBJECT
@@ -33,6 +35,7 @@ public:
         void clearAll() { models.clear(); }
 
         Q_INVOKABLE TimelineModel *activeTimeline() const { return timeline_; }
+        Q_INVOKABLE void openImageOverlay(QString url) const;
 
 signals:
         void clearRoomMessageCount(QString roomid);
@@ -75,6 +78,7 @@ private:
         QQuickView *view;
         QWidget *container;
         TimelineModel *timeline_ = nullptr;
+        MxcImageProvider *imgProvider;
 
         QHash<QString, QSharedPointer<TimelineModel>> models;
 };