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import QtQuick 2.9
import QtQuick.Controls 2.2
import QtQuick.Layouts 1.14
import QtGraphicalEffects 1.0
import "../themes/themes.js" as Theme
/* TODO
[ ] corner case: manual override, not full list yet
[ ] persist bridges
[ ] persist manual selection
[ ] display the location we know
[ ] corner case: user selects bridges with manual selection
(I think the backend should discard any manual selection when selecting bridges...
unless the current selection provides the bridge, in which case we can maintain it)
*/
ThemedPage {
id: locationPage
title: qsTr("Select Location")
// TODO add ScrollIndicator
// https://doc.qt.io/qt-5.12//qml-qtquick-controls2-scrollindicator.html
//: this is in the radio button for the auto selection
property var autoSelectionLabel: qsTr("Automatically use best connection")
//: Location Selection: label for radio buttons that selects manually
property var manualSelectionLabel: qsTr("Manually select")
//: A little display to signal that the clicked gateway is being switched to
property var switchingLocationLabel: qsTr("Switching gateways...")
//: Subtitle to explain that only bridge locations are shown in the selector
property var onlyBridgesWarning: qsTr("Only locations with bridges")
property bool switching: false
ButtonGroup {
id: locsel
}
Rectangle {
id: autoBox
width: root.width * 0.90
height: 100
radius: 10
color: "white"
anchors {
horizontalCenter: parent.horizontalCenter
top: parent.top
margins: 10
}
Rectangle {
anchors {
fill: parent
margins: 10
}
Label {
id: recommendedLabel
//: Location Selection: label for radio button that selects automatically
text: qsTr("Recommended")
font.bold: true
}
WrappedRadioButton {
id: autoRadioButton
anchors.top: recommendedLabel.bottom
text: getAutoLabel()
ButtonGroup.group: locsel
checked: false
onClicked: {
root.selectedGateway = "auto"
console.debug("Selected gateway: auto")
backend.useAutomaticGateway()
}
}
}
}
Rectangle {
id: manualBox
visible: root.locationsModel.length > 0
width: root.width * 0.90
radius: 10
color: Theme.fgColor
height: root.height * 0.60
anchors {
horizontalCenter: parent.horizontalCenter
top: autoBox.bottom
margins: 10
}
ScrollView {
id: frame
clip: true
anchors.fill: parent
ScrollBar.vertical.policy: ScrollBar.AlwaysOff
Flickable {
id: flickable
contentHeight: getManualBoxHeight()
width: parent.width
ScrollIndicator.vertical: ScrollIndicator {
size: 5
contentItem: Rectangle {
implicitWidth: 5
implicitHeight: 100
color: "grey"
}
}
Rectangle {
anchors {
fill: parent
margins: 10
}
Label {
id: manualLabel
text: manualSelectionLabel
font.bold: true
}
Label {
id: bridgeWarning
text: onlyBridgesWarning
color: "gray"
visible: isBridgeSelected()
wrapMode: Text.Wrap
anchors {
topMargin: 5
top: manualLabel.bottom
}
font.pixelSize: Theme.fontSize - 3
}
ColumnLayout {
id: gatewayListColumn
width: parent.width
spacing: 1
anchors.top: getManualAnchor()
Repeater {
id: gwManualSelectorList
width: parent.width
model: root.locationsModel
RowLayout {
width: parent.width
WrappedRadioButton {
text: getLocationLabel(modelData)
location: modelData
ButtonGroup.group: locsel
checked: false
enabled: locationPage.switching ? false : true
onClicked: {
if (ctx.status == "on") {
locationPage.switching = true
}
root.selectedGateway = location
backend.useLocation(location)
}
}
Item {
Layout.fillWidth: true
}
Image {
height: 16
width: 16
visible: isBridgeSelected()
source: "../resources/bridge.png"
Layout.alignment: Qt.AlignRight
Layout.rightMargin: 10
}
SignalIcon {
quality: getSignalFor(modelData)
Layout.alignment: Qt.AlignRight
Layout.rightMargin: 20
}
}
}
}
}
} //flickable
} // scrollview
} // manualbox
StateGroup {
states: [
State {
when: locationPage.switching && ctx.status != "on"
PropertyChanges {
target: manualLabel
text: switchingLocationLabel
}
},
State {
when: ctx && ctx.status == "on"
PropertyChanges {
target: manualLabel
text: manualSelectionLabel
}
StateChangeScript {
script: {
locationPage.switching = false
}
}
}
]
}
function getAutoLabel() {
let l = autoSelectionLabel
if (ctx && ctx.locations && ctx.bestLocation) {
let best = ctx.locationLabels[ctx.bestLocation]
let label = best[0] + ", " + best[1]
l += " (" + label + ")"
}
return l
}
function getLocationLabel(location) {
if (!ctx) {
return ""
}
let l = ctx.locationLabels[location]
return l[0] + ", " + l[1]
}
function getManualBoxHeight() {
let h = gatewayListColumn.height + manualLabel.height
if (bridgeWarning.visible) {
h += bridgeWarning.height
}
return h + 15
}
function getSignalFor(location) {
// this is an ad-hoc solution for the no-menshen, riseup case.
// when menshen is deployed we'll want to tweak the values for each bucket.
let load = ctx.locations[location]
switch (true) {
case (load > 0.5):
return "good"
case (load > 0.25):
return "medium"
default:
return "low"
}
}
function isBridgeSelected() {
if (ctx && ctx.transport == "obfs4") {
return true
} else {
return false
}
}
function getManualAnchor() {
if (isBridgeSelected()) {
return bridgeWarning.bottom
} else {
return manualLabel.bottom
}
}
Component.onCompleted: {
if (root.selectedGateway == "auto") {
autoRadioButton.checked = true
} else {
let match = false
for (var i = 1; i < locsel.buttons.length; i++) {
let b = locsel.buttons[i]
if (b.location == root.selectedGateway) {
match = true
b.checked = true
}
}
}
}
}
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