Fix image events opened/copied url

src/python/backend.py

@@ -138,6 +138,11 @@ class Backend:
         return hsluv.hsluv_to_rgb([hue, saturation, lightness])
 
 
+    @staticmethod
+    async def mxc_to_http(mxc: str) -> Optional[str]:
+        return nio.Api.mxc_to_http(mxc)
+
+
     @staticmethod
     async def check_exported_keys_passphrase(file_path: str, passphrase: str,
                                             ) -> Union[bool, Tuple[str, bool]]:

src/qml/Base/HMxcImage.qml

@@ -3,10 +3,18 @@ import QtQuick 2.12
 HImage {
     id: image
     source: sourceOverride || (show ? cachedPath : "")
-    onMxcChanged: Qt.callLater(update)
     onWidthChanged: Qt.callLater(update)
     onHeightChanged: Qt.callLater(update)
     onVisibleChanged: Qt.callLater(update)
+    onMxcChanged: {
+        Qt.callLater(update)
+
+        if (mxc.startsWith("mxc://")) {
+            py.callCoro("mxc_to_http", [mxc], http => { httpUrl = http || "" })
+        } else {
+            httpUrl = mxc
+        }
+    }
 
 
     property string clientUserId
@@ -16,6 +24,7 @@ HImage {
 
     property bool show: false
     property string cachedPath: ""
+    property string httpUrl: ""
 
 
     function update() {

src/qml/Chat/Timeline/EventImage.qml

@@ -11,23 +11,24 @@ HMxcImage {
               Utils.urlExtension(loader.mediaUrl) === "gif"
     clientUserId: chatPage.userId
     thumbnail: ! animated
-    mxc: thumbnail ? (loader.thumbnailMxc || loader.mediaUrl) : openUrl
+    mxc: thumbnail ?
+         (loader.thumbnailMxc || loader.mediaUrl) :
+         (loader.mediaUrl || loader.thumbnailMxc)
 
 
     property EventMediaLoader loader
-    readonly property url openUrl: loader.mediaUrl || loader.thumbnailMxc
 
 
     TapHandler {
-        onTapped: if (! image.animated) Qt.openUrlExternally(openUrl)
+        onTapped: if (! image.animated) Qt.openUrlExternally(image.httpUrl)
-        onDoubleTapped: Qt.openUrlExternally(openUrl)
+        onDoubleTapped: Qt.openUrlExternally(image.httpUrl)
     }
 
     HoverHandler {
         id: hover
         onHoveredChanged:
             eventDelegate.hoveredMediaTypeUrl =
-                hovered ? [EventDelegate.Media.Image, openUrl] : []
+                hovered ? [EventDelegate.Media.Image, image.httpUrl] : []
     }
 
     EventImageTextBubble {