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import QtQuick 2.15
import QtQuick.Controls 2.2
import QtQuick.Layouts 1.14
import QtQuick.Controls.Material 2.1
import QtGraphicalEffects 1.0
import "../themes/themes.js" as Theme
ThemedPage {
title: qsTr("Preferences")
Rectangle {
anchors.horizontalCenter: parent.horizontalCenter
width: root.appWidth * 0.80
// FIXME - just the needed height
height: getBoxHeight()
radius: 10
color: "white"
anchors {
fill: parent
margins: 10
}
ColumnLayout {
id: prefCol
width: root.appWidth * 0.80
Rectangle {
id: turnOffWarning
visible: false
height: 20
width: parent.width
color: "white"
Label {
color: "red"
text: qsTr("Turn off the VPN to make changes")
width: prefCol.width
}
Layout.topMargin: 10
Layout.leftMargin: 10
Layout.rightMargin: 10
}
Label {
id: circumLabel
text: qsTr("Censorship circumvention")
font.bold: true
Layout.topMargin: 10
Layout.leftMargin: 10
Layout.rightMargin: 10
}
Label {
text: qsTr("These techniques can bypass censorship, but are slower. Use them only when needed.")
color: "gray"
visible: true
wrapMode: Text.Wrap
font.pixelSize: Theme.fontSize - 3
Layout.leftMargin: 10
Layout.rightMargin: 10
Layout.preferredWidth: 240
}
MaterialCheckBox {
id: useBridgesCheckBox
enabled: areBridgesAvailable()
checked: false
text: qsTr("Use obfs4 bridges")
// TODO refactor - this sets wrapMode on checkbox
contentItem: Label {
text: useBridgesCheckBox.text
font: useBridgesCheckBox.font
horizontalAlignment: Text.AlignLeft
verticalAlignment: Text.AlignVCenter
leftPadding: useBridgesCheckBox.indicator.width + useBridgesCheckBox.spacing
wrapMode: Label.Wrap
}
Layout.leftMargin: 10
Layout.rightMargin: 10
HoverHandler {
cursorShape: Qt.PointingHandCursor
}
onClicked: {
// TODO there's a corner case that needs to be dealt with in the backend,
// if an user has a manual location selected and switches to bridges:
// we need to fallback to "auto" selection if such location does not
// offer bridges
useBridges(checked)
useUDP.enabled = !checked
}
}
Label {
text: qsTr("Traffic is obfuscated to bypass blocks")
color: "gray"
visible: true
wrapMode: Text.Wrap
font.pixelSize: Theme.fontSize - 4
Layout.leftMargin: 35
Layout.rightMargin: 15
Layout.bottomMargin: 5
Layout.preferredWidth: 240
}
MaterialCheckBox {
id: useSnowflake
text: qsTr("Use Snowflake")
enabled: false
checked: false
HoverHandler {
cursorShape: Qt.PointingHandCursor
}
Layout.leftMargin: 10
Layout.rightMargin: 10
Layout.preferredWidth: 240
onClicked: {
doUseSnowflake(checked)
}
}
Label {
text: qsTr("Snowflake needs Tor installed in your system")
color: "gray"
visible: true
wrapMode: Text.Wrap
font.pixelSize: Theme.fontSize - 4
Layout.leftMargin: 35
Layout.rightMargin: 15
Layout.bottomMargin: 5
Layout.preferredWidth: 240
}
Label {
text: qsTr("Transport")
font.bold: true
Layout.leftMargin: 10
Layout.rightMargin: 10
Layout.topMargin: 8
}
Label {
text: qsTr("UDP can make the VPN faster. It might be blocked on some networks")
width: parent.width
color: "gray"
visible: true
wrapMode: Text.Wrap
font.pixelSize: Theme.fontSize - 3
Layout.leftMargin: 10
Layout.rightMargin: 10
Layout.preferredWidth: 240
}
MaterialCheckBox {
id: useUDP
text: qsTr("Use UDP if available")
enabled: false
checked: false
Layout.leftMargin: 10
Layout.rightMargin: 10
HoverHandler {
cursorShape: Qt.PointingHandCursor
}
onClicked: {
doUseUDP(checked)
useBridgesCheckBox.enabled = areBridgesAvailable()
}
}
}
}
StateGroup {
state: ctx ? ctx.status : "off"
states: [
State {
name: "on"
PropertyChanges {
target: turnOffWarning
visible: true
}
PropertyChanges {
target: useBridgesCheckBox
enabled: false
}
PropertyChanges {
target: useUDP
enabled: false
}
},
State {
name: "starting"
PropertyChanges {
target: turnOffWarning
visible: true
}
PropertyChanges {
target: useBridgesCheckBox
enabled: false
}
PropertyChanges {
target: useUDP
enabled: false
}
},
State {
name: "off"
PropertyChanges {
target: turnOffWarning
visible: false
}
PropertyChanges {
target: useBridgesCheckBox
enabled: true
}
PropertyChanges {
target: useUDP
enabled: true
}
}
]
}
function areBridgesAvailable() {
// FIXME check if provider offers it
let providerSupport = true
return providerSupport && !useUDP.checked
}
function useBridges(value) {
if (value == true) {
backend.setTransport("obfs4")
} else {
backend.setTransport("openvpn")
}
}
function doUseUDP(value) {
backend.setUDP(value)
}
function doUseSnowflake(value) {
backend.setSnowflake(value)
}
function getBoxHeight() {
return prefCol.height + 15
}
Component.onCompleted: {
if (ctx && ctx.offersUdp == "false") {
useUDP.enabled = false
}
if (ctx && ctx.offersUdp && ctx.udp == "true") {
useUDP.checked = true
}
if (ctx && ctx.transport == "obfs4") {
useBridgesCheckBox.checked = true
useUDP.enabled = false
}
// disabled for now, will be on next release
/*
if (ctx && ctx.hasTor == "true") {
useSnowflake.enabled = true
}
if (ctx && ctx.hasTor && ctx.snowflake == "true") {
useSnowflake.checked = true
}
*/
}
}
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