Add purpose plugin

Implements #182

src/qml/ChatBar.qml

@@ -34,7 +34,25 @@ QQC2.Control {
 
     onActiveFocusChanged: textField.forceActiveFocus()
 
-    onCurrentRoomChanged: _private.chatBarCache = currentRoom.mainCache
+    onCurrentRoomChanged: {
+        _private.chatBarCache = currentRoom.mainCache
+        if (ShareHandler.text.length > 0 && ShareHandler.room === root.currentRoom.id) {
+            textField.text = ShareHandler.text;
+            ShareHandler.text = "";
+            ShareHandler.room = "";
+        }
+    }
+
+    Connections {
+        target: ShareHandler
+        function onRoomChanged(): void {
+            if (ShareHandler.text.length > 0 && ShareHandler.room === root.currentRoom.id) {
+                textField.text = ShareHandler.text;
+                ShareHandler.text = "";
+                ShareHandler.room = "";
+            }
+        }
+    }
 
     /**
      * @brief The ActionsHandler object to use.

src/qml/main.qml

@@ -53,6 +53,9 @@ Kirigami.ApplicationWindow {
         MatrixImageProvider.connection = root.connection;
         RoomManager.connection = root.connection;
         SpaceHierarchyCache.connection = root.connection;
+        if (ShareHandler.text && root.connection) {
+            root.handleShare();
+        }
     }
 
     Connections {
@@ -236,6 +239,9 @@ Kirigami.ApplicationWindow {
         RoomManager.connection = root.connection;
         SpaceHierarchyCache.connection = root.connection;
         WindowController.setBlur(pageStack, Config.blur && !Config.compactLayout);
+        if (ShareHandler.text && root.connection) {
+            root.handleShare()
+        }
         if (Config.minimizeToSystemTrayOnStartup && !Kirigami.Settings.isMobile && Controller.supportSystemTray && Config.systemTray) {
             restoreWindowGeometryConnections.enabled = true; // To restore window size and position
         } else {
@@ -450,4 +456,25 @@ Kirigami.ApplicationWindow {
             });
         }
     }
+    Connections {
+        target: ShareHandler
+        function onTextChanged(): void {
+            if (root.connection && ShareHandler.text.length > 0) {
+                handleShare();
+            }
+        }
+    }
+    function handleShare(): void {
+        const dialog = applicationWindow().pageStack.pushDialogLayer("qrc:/org/kde/neochat/qml/ChooseRoomDialog.qml", {
+            connection: root.connection
+        }, {
+            title: i18nc("@title", "Share"),
+            width: Kirigami.Units.gridUnit * 25
+        })
+        dialog.chosen.connect(function(targetRoomId) {
+            RoomManager.resolveResource(targetRoomId)
+            ShareHandler.room = targetRoomId
+            dialog.closeDialog()
+        })
+    }
 }