better support for opening chat in floating window

Modules/Notifications/Sidebar/Chat/ChatContent.qml

@@ -87,10 +87,6 @@ Item {
 
 	signal requestClose
 
-	function scrollToBottom(): void {
-		Qt.callLater(() => listLoader.item?.positionViewAtBeginning());
-	}
-
 	function send(text: string): void {
 		if (text.trim() === "")
 			return;
@@ -129,11 +125,15 @@ Item {
 			isRound: true
 			type: IconButton.Tonal
 
+			enabled: !ChatState.isWindow
+			visible: enabled
+
 			onClicked: root.requestClose()
 		}
 
 		CustomText {
-			Layout.fillWidth: true
+			Layout.fillWidth: ChatState.isWindow ? false : true
+			Layout.alignment: ChatState.isWindow ? Qt.AlignCenter : Qt.AlignLeft | Qt.AlignVCenter
 			elide: Text.ElideRight
 			font.pointSize: Tokens.font.size.larger
 			text: qsTr(root.chatData.title)
@@ -151,21 +151,20 @@ Item {
 		anchors.topMargin: Tokens.spacing.medium
 		active: root.chatData && root.chatData.loaded
 
-		sourceComponent: ListView {
+		sourceComponent: VerticalFadeListView {
 			id: list
 
 			property bool userScrolledUp: false
 			property real lastCHeight: 0.0
 
 			function scrollToBottom(): void {
-				scrollAnim.to = 0;
 				scrollAnim.start();
 			}
 
-			cacheBuffer: height * 20
+			cacheBuffer: Math.max(height * 20, 0)
 			clip: true
-			// fadeAmount: 0.05
-			// fadeThreshold: Tokens.padding.medium
+			fadeAmount: 0.05
+			fadeThreshold: Tokens.padding.medium
 			model: root.chatData.messagesModel
 			spacing: 0
 			rotation: 180
@@ -238,6 +237,7 @@ Item {
 				property: "contentY"
 				target: list
 				type: Anim.DefaultEffects
+				to: list.originY
 			}
 
 			WheelInverter {
@@ -255,7 +255,7 @@ Item {
 
 		anchors.fill: parent
 		spacing: Tokens.spacing.small
-		visible: !root.chatData
+		visible: root.chatData.messageCount < 1
 	}
 
 	Item {