linphone-desktop/linphone-app/ui/modules/Linphone/Chat/Chat.qml

import QtQuick 2.7
import QtQuick.Controls 2.2
import QtQuick.Layouts 1.3

import Common 1.0
import Linphone 1.0
import Linphone.Styles 1.0

import 'Chat.js' as Logic

// =============================================================================

Rectangle {
  id: container

  property alias proxyModel: chat.model	// ChatRoomProxyModel

  // ---------------------------------------------------------------------------

  signal messageToSend (string text)

  // ---------------------------------------------------------------------------

  color: ChatStyle.color

  ColumnLayout {
    anchors.fill: parent
    spacing: 0

    ScrollableListView {
      id: chat

      // -----------------------------------------------------------------------

      property bool bindToEnd: false
      property bool tryToLoadMoreEntries: true
      //property var sipAddressObserver: SipAddressesModel.getSipAddressObserver(proxyModel.fullPeerAddress, proxyModel.fullLocalAddress)

      // -----------------------------------------------------------------------

      Layout.fillHeight: true
      Layout.fillWidth: true

      highlightFollowsCurrentItem: false

      section {
        criteria: ViewSection.FullString
        delegate: sectionHeading
        property: '$sectionDate'
      }

      // -----------------------------------------------------------------------

      Component.onCompleted: Logic.initView()

      onContentYChanged: Logic.loadMoreEntries()
      onMovementEnded: Logic.handleMovementEnded()
      onMovementStarted: Logic.handleMovementStarted()

      // -----------------------------------------------------------------------

      Connections {
        target: proxyModel

        // When the view is changed (for example `Calls` -> `Messages`),
        // the position is set at end and it can be possible to load
        // more entries.
        onEntryTypeFilterChanged: Logic.initView()
        onMoreEntriesLoaded: Logic.handleMoreEntriesLoaded(n)
      }

      // -----------------------------------------------------------------------
      // Heading.
      // -----------------------------------------------------------------------

      Component {
        id: sectionHeading

        Item {
          implicitHeight: container.height + ChatStyle.sectionHeading.bottomMargin
          width: parent.width

          Borders {
            id: container

            borderColor: ChatStyle.sectionHeading.border.color
            bottomWidth: ChatStyle.sectionHeading.border.width
            implicitHeight: text.contentHeight +
              ChatStyle.sectionHeading.padding * 2 +
              ChatStyle.sectionHeading.border.width * 2
            topWidth: ChatStyle.sectionHeading.border.width
            width: parent.width

            Text {
              id: text

              anchors.fill: parent
              color: ChatStyle.sectionHeading.text.color
              font {
                bold: true
                pointSize: ChatStyle.sectionHeading.text.pointSize
              }
              horizontalAlignment: Text.AlignHCenter
              verticalAlignment: Text.AlignVCenter

              // Cast section to integer because Qt converts the
              // sectionDate in string!!!
              text: new Date(section).toLocaleDateString(
                Qt.locale(App.locale)
              )
            }
          }
        }
      }

      // -----------------------------------------------------------------------
      // Message/Event renderer.
      // -----------------------------------------------------------------------

      delegate: Rectangle {
        id: entry
		property bool isNotice : $chatEntry.type === ChatRoomModel.NoticeEntry
		property bool isCall : $chatEntry.type === ChatRoomModel.CallEntry
		property bool isMessage : $chatEntry.type === ChatRoomModel.MessageEntry

        function isHoverEntry () {
          return mouseArea.containsMouse
        }

        function removeEntry () {
          proxyModel.removeRow(index)
        }

        anchors {
          left: parent ? parent.left : undefined
		  leftMargin: isNotice?0:ChatStyle.entry.leftMargin
          right: parent ? parent.right : undefined

		  rightMargin: isNotice?0:ChatStyle.entry.deleteIconSize +
            ChatStyle.entry.message.extraContent.spacing +
            ChatStyle.entry.message.extraContent.rightMargin +
            ChatStyle.entry.message.extraContent.leftMargin +
            ChatStyle.entry.message.outgoing.areaSize
        }

        color: ChatStyle.color
        implicitHeight: layout.height + ChatStyle.entry.bottomMargin

        // ---------------------------------------------------------------------

        MouseArea {
          id: mouseArea

          cursorShape: Qt.ArrowCursor
          hoverEnabled: true
          implicitHeight: layout.height
          width: parent.width + parent.anchors.rightMargin
          acceptedButtons: Qt.NoButton
          ColumnLayout{
				id: layout
			spacing: 0
	        width: entry.width
			Text{
					id:authorName
					Layout.leftMargin: timeDisplay.width + 10
					Layout.fillWidth: true
					text : $chatEntry.fromDisplayName ? $chatEntry.fromDisplayName : ''
					property var previousItem : {
						if(index >0)
							return proxyModel.getAt(index-1)
						else 
							return null
					}
					
					color: ChatStyle.entry.event.text.color
					font.pointSize: ChatStyle.entry.event.text.pointSize
					visible: isMessage 
							&& $chatEntry != undefined
							&& !$chatEntry.isOutgoing // Only outgoing
							&& (!previousItem  //No previous entry
								|| previousItem.type != ChatRoomModel.MessageEntry // Previous entry is a message
								|| previousItem.fromSipAddress != $chatEntry.fromSipAddress // Different user
								|| (new Date(previousItem.timestamp)).setHours(0, 0, 0, 0) != (new Date($chatEntry.timestamp)).setHours(0, 0, 0, 0) // Same day == section
								)
				}
			  RowLayout {
	
				spacing: 0
				width: entry.width
	
				// Display time.
				Text {
					id:timeDisplay
				  Layout.alignment: Qt.AlignTop
				  Layout.preferredHeight: ChatStyle.entry.lineHeight
				  Layout.preferredWidth: ChatStyle.entry.time.width
	
				  color: ChatStyle.entry.event.text.color
				  font.pointSize: ChatStyle.entry.time.pointSize
	
				  text: $chatEntry.timestamp.toLocaleString(
					Qt.locale(App.locale),
					'hh:mm'
				  )
	
				  verticalAlignment: Text.AlignVCenter
	
				  TooltipArea {
					text: $chatEntry.timestamp.toLocaleString(Qt.locale(App.locale))
				  }
				  visible:!isNotice
				}
	
				// Display content.
				Loader {
				  Layout.fillWidth: true
				  source: Logic.getComponentFromEntry($chatEntry)
				}
			  }
			 }
        }
      }

      footer: Text {
					property var composers : container.proxyModel.composers
					color: ChatStyle.composingText.color
					font.pointSize: ChatStyle.composingText.pointSize
					height: visible ? undefined : 0
					leftPadding: ChatStyle.composingText.leftPadding
					visible: composers.length > 0 && SettingsModel.chatEnabled
					wrapMode: Text.Wrap
					//: '%1 is typing...' indicate that someone is composing in chat
					text:(composers.length==0?'': qsTr('chatTyping','',composers.length).arg(container.proxyModel.getDisplayNameComposers()))
				}
    }

    // -------------------------------------------------------------------------
    // Send area.
    // -------------------------------------------------------------------------

    Borders {
      Layout.fillWidth: true
      Layout.preferredHeight: textArea.height

      borderColor: ChatStyle.sendArea.border.color
      topWidth: ChatStyle.sendArea.border.width
      visible: SettingsModel.chatEnabled && proxyModel.chatRoomModel && !proxyModel.chatRoomModel.hasBeenLeft

      DroppableTextArea {
        id: textArea
		
		enabled:proxyModel && proxyModel.chatRoomModel ? !proxyModel.chatRoomModel.hasBeenLeft:false
		isEphemeral : proxyModel && proxyModel.chatRoomModel ? proxyModel.chatRoomModel.ephemeralEnabled:false

        anchors.left: parent.left
		anchors.right: parent.right
		anchors.bottom: parent.bottom
		
		height:ChatStyle.sendArea.height + ChatStyle.sendArea.border.width
		minimumHeight:ChatStyle.sendArea.height + ChatStyle.sendArea.border.width
		maximumHeight:container.height/2

        dropEnabled: SettingsModel.fileTransferUrl.length > 0
        dropDisabledReason: qsTr('noFileTransferUrl')
        placeholderText: qsTr('newMessagePlaceholder')

        onDropped: Logic.handleFilesDropped(files)
        onTextChanged: Logic.handleTextChanged(text)
		onValidText: {
			textArea.text = ''
			chat.bindToEnd = true
			if(proxyModel.chatRoomModel)
				proxyModel.sendMessage(text)
			else{
				console.log("Peer : " +proxyModel.peerAddress+ "/"+chat.model.peerAddress)
				proxyModel.chatRoomModel = CallsListModel.createChat(proxyModel.peerAddress)
				proxyModel.sendMessage(text)
			}
		}
        Component.onCompleted: {text = proxyModel.cachedText; cursorPosition=text.length}
		Rectangle{
			anchors.fill:parent
			color:'white'
			opacity: 0.5
			visible:!textArea.enabled
		}
      }
    }
  }

  // ---------------------------------------------------------------------------
  // Scroll at end if necessary.
  // ---------------------------------------------------------------------------

  Timer {
    interval: 100
    repeat: true
    running: true

    onTriggered: chat.bindToEnd && chat.positionViewAtEnd()
  }
}