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/*
* Copyright (C) 2016 Michael Bohlender, <michael.bohlender@kdemail.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import QtQuick 2.7
import QtQuick.Controls 1.3 as Controls1
import QtQuick.Controls 2
import QtQuick.Layouts 1.1
import org.kube.framework 1.0 as Kube
import QtQml 2.2 as QtQml
Rectangle {
id: root
property variant mail;
property int currentIndex: 0;
property bool scrollToEnd: true;
property variant currentMail: null;
property bool hideTrash: true;
property bool hideNonTrash: false;
Kube.Listener {
filter: Kube.Messages.mailSelection
onMessageReceived: {
root.mail = message.mail
}
}
Kube.Listener {
filter: Kube.Messages.folderSelection
onMessageReceived: {
root.hideTrash = !message.trash
root.hideNonTrash = message.trash
}
}
onCurrentIndexChanged: {
markAsReadTimer.restart();
}
onMailChanged: {
scrollToEnd = true;
currentMail = null;
}
color: Kube.Colors.backgroundColor
ListView {
id: listView
function setCurrentIndex()
{
/**
* This will detect the index at the "scrollbar-position" (visibleArea.yPosition).
* This ensures that the first and last entry can become the currentIndex,
* but in the middle of the list the item in the middle is set as the current item.
*/
var yPos = 0.5;
if (listView.visibleArea.yPosition < 0.4) {
yPos = 0.2 + (0.2 * listView.visibleArea.yPosition);
}
if (listView.visibleArea.yPosition > 0.6) {
yPos = 0.6 + (0.2 * listView.visibleArea.yPosition)
}
var indexAtCenter = listView.indexAt(root.width / 2, contentY + root.height * yPos);
if (indexAtCenter >= 0) {
root.currentIndex = indexAtCenter;
} else {
root.currentIndex = count - 1;
}
}
anchors {
top: parent.top
left: parent.left
right: parent.right
bottom: parent.bottom
}
clip: true
model: Kube.MailListModel {
mail: root.mail
}
header: Item {
height: Kube.Units.gridUnit * 0.5
width: parent.width
}
footer: Item {
height: Kube.Units.gridUnit
width: parent.width
}
delegate: mailDelegate
//Setting the currentIndex results in further lags. So we don't do that either.
// currentIndex: root.currentIndex
boundsBehavior: Flickable.StopAtBounds
//default is 1500, which is not usable with a mouse
flickDeceleration: 10000
//Optimize for view quality
pixelAligned: true
Timer {
id: scrollToEndTimer
interval: 10
running: false
repeat: false
onTriggered: {
//Only do this once per conversation
root.scrollToEnd = false;
root.currentIndex = listView.count - 1
//positionViewAtEnd/Index don't work
listView.contentY = Math.max(listView.contentHeight - listView.height, 0)
}
}
onCountChanged: {
if (root.scrollToEnd) {
scrollToEndTimer.restart()
}
}
onContentHeightChanged: {
//Initially it will resize a lot, so we keep waiting
if (root.scrollToEnd) {
scrollToEndTimer.restart()
}
}
onContentYChanged: {
//We have to track our current mail manually
setCurrentIndex();
}
//The cacheBuffer needs to be large enough to fit the whole thread.
//Otherwise the contentHeight will constantly increase and decrease,
//which will break lot's of things.
cacheBuffer: 100000
Timer {
id: markAsReadTimer
interval: 2000
running: false
repeat: false
onTriggered: {
if (!!root.currentMail) {
Kube.Fabric.postMessage(Kube.Messages.markAsRead, {"mail": root.currentMail})
}
}
}
//Intercept all scroll events,
//necessary due to the webengineview
Kube.MouseProxy {
anchors.fill: parent
target: listView
forwardWheelEvents: true
}
}
Component {
id: mailDelegate
Item {
id: wrapper
property bool isCurrent: root.currentIndex === index;
onIsCurrentChanged: {
if (isCurrent) {
root.currentMail = model.mail
}
}
height: sheet.height + Kube.Units.gridUnit
width: parent.width
visible: !((root.hideTrash && model.trash) || (root.hideNonTrash && !model.trash))
MouseArea {
anchors.fill: parent
enabled: parent.enabled
hoverEnabled: true
onEntered: root.currentIndex = index
onClicked: root.currentIndex = index
}
MailViewer {
id: sheet
anchors.centerIn: parent
width: parent.width - Kube.Units.gridUnit * 2
message: model.mimeMessage
subject: model.subject
sender: model.sender
senderName: model.senderName
to: model.to
cc: model.cc
bcc: model.bcc
date: model.date
trash: model.trash
draft: model.draft
sent: model.sent
incomplete: model.incomplete
current: isCurrent
}
}
}
}
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