HListView component with animations

harmonyqml/backend/signal_manager.py

@@ -318,8 +318,9 @@ class SignalManager(QObject):
                     if not event.isLocalEcho:
                         continue
 
-                    sb     = (event.dict["sender"], event.dict["body"])
-                    new_sb = (new_event.dict["sender"], new_event.dict["body"])
+                    sb     = (event.dict.get("sender"), event.dict.get("body"))
+                    new_sb = (new_event.dict.get("sender"),
+                              new_event.dict.get("body"))
 
                     if sb == new_sb:
                         # The oldest matching local echo shall be replaced

harmonyqml/components/Base/HListView.qml

@@ -0,0 +1,28 @@
+import QtQuick 2.7
+
+ListView {
+    property int duration: HStyle.animationDurations
+
+    add: Transition {
+        NumberAnimation { properties: "x,y"; from: 100; duration: duration }
+    }
+
+    populate: Transition {
+        NumberAnimation { properties: "x,y"; duration: duration }
+    }
+
+    move: Transition {
+        NumberAnimation { properties: "x,y"; duration: duration }
+    }
+
+    displaced: Transition {
+        NumberAnimation { properties: "x,y"; duration: duration }
+    }
+
+    remove: Transition {
+        ParallelAnimation {
+            NumberAnimation { property: "opacity"; to: 0; duration: duration }
+            NumberAnimation { properties: "x,y"; to: 100; duration: duration }
+        }
+    }
+}

harmonyqml/components/Base/HStyle.qml

@@ -4,6 +4,8 @@ import QtQuick 2.7
 QtObject {
     id: style
 
+    property int animationDurations: 120
+
     readonly property QtObject fontSize: QtObject {
         property int smallest: 6
         property int smaller: 8

harmonyqml/components/Chat/RoomEventList/RoomEventList.qml

@@ -6,7 +6,7 @@ HRectangle {
 
     color: HStyle.chat.roomEventList.background
 
-    ListView {
+    HListView {
         id: roomEventListView
         delegate: RoomEventDelegate {}
         model: Backend.roomEvents.get(chatPage.roomId)

harmonyqml/components/Chat/RoomSidePane/MembersView.qml

@@ -8,7 +8,7 @@ HColumnLayout {
     Layout.leftMargin: roomSidePane.collapsed ? 0 : normalSpacing
     Layout.rightMargin: Layout.leftMargin
 
-    ListView {
+    HListView {
         id: memberList
 
         spacing: parent.Layout.leftMargin

harmonyqml/components/SidePane/AccountList.qml

@@ -1,7 +1,8 @@
 import QtQuick 2.7
 import QtQuick.Layouts 1.3
+import "../Base"
 
-ListView {
+HListView {
     id: accountList
     clip: true
 

harmonyqml/components/SidePane/RoomCategoriesList.qml

@@ -2,7 +2,7 @@ import QtQuick 2.7
 import QtQuick.Layouts 1.3
 import "../Base"
 
-ListView {
+HListView {
     property string userId: ""
 
     id: roomCategoriesList

harmonyqml/components/SidePane/RoomList.qml

@@ -2,7 +2,7 @@ import QtQuick 2.7
 import QtQuick.Layouts 1.3
 import "../Base"
 
-ListView {
+HListView {
     property string userId: ""
     property string category: ""