contextmenu: clear the context menus before opening

Change-Id: I793be4f3752223f772fe953ffc1aba8cd0682941

src/commoncomponents/js/contextmenugenerator.js

@@ -35,6 +35,13 @@ function createBaseContextMenuObjects(parent) {
                     baseContextMenuComponent.errorString())
 }
 
+function initMenu() {
+    // Clear any existing items in the menu.
+    for (var i = 0; i < menuItemList.length; i++) {
+        baseContextMenuObject.removeItem(menuItemList[i])
+    }
+}
+
 function finishCreation(parent) {
     baseContextMenuObject = baseContextMenuComponent.createObject(parent)
     if (baseContextMenuObject === null) {

src/mainview/components/CallViewContextMenu.qml

@@ -43,6 +43,7 @@ Item {
     signal transferCallButtonClicked
 
     function openMenu(){
+        ContextMenuGenerator.initMenu()
         if (isSIP){
             ContextMenuGenerator.addMenuItem(isPaused ? JamiStrings.resume : JamiStrings.hold,
                                              isPaused ?

src/mainview/components/ConversationSmartListContextMenu.qml

@@ -34,6 +34,7 @@ Item {
     property int contactType: Profile.Type.INVALID
 
     function openMenu() {
+        ContextMenuGenerator.initMenu()
         var hasCall = UtilsAdapter.getCallId(responsibleAccountId, responsibleConvUid) !== ""
         if (!hasCall) {
             ContextMenuGenerator.addMenuItem(qsTr("Start video call"),

src/mainview/components/ParticipantContextMenu.qml

@@ -37,6 +37,7 @@ Item {
     property var showMinimize: false
 
     function openMenu(){
+        ContextMenuGenerator.initMenu()
         if (showHangup)
             ContextMenuGenerator.addMenuItem(JamiStrings.hangup,
                                              "qrc:/images/icons/ic_call_end_white_24px.svg",