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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package ui
import (
"fmt"
"sort"
"github.com/lxn/walk"
"golang.zx2c4.com/wireguard/windows/service"
)
type Tray struct {
*walk.NotifyIcon
// The action that displays the current active CIDRs
// May be nil if no tunnels are active currently
activeCIDRs *walk.Action
// Current known tunnels by name
tunnels map[string]*walk.Action
parent *ManageTunnelsWindow
icon *walk.Icon
}
func NewTray(parent *ManageTunnelsWindow, icon *walk.Icon) (*Tray, error) {
var err error
tray := &Tray{
parent: parent,
icon: icon,
tunnels: make(map[string]*walk.Action),
}
tray.NotifyIcon, err = walk.NewNotifyIcon(parent.MainWindow)
if err != nil {
return nil, err
}
return tray, tray.setup()
}
func (tray *Tray) setup() error {
tray.SetToolTip("WireGuard: Deactivated")
tray.SetVisible(true)
tray.SetIcon(tray.icon)
tray.MouseDown().Attach(func(x, y int, button walk.MouseButton) {
if button == walk.LeftButton {
tray.parent.Show()
}
})
// configure initial menu items
for _, item := range [...]struct {
label string
handler walk.EventHandler
enabled bool
separator bool
}{
{label: "Status: unknown"},
{separator: true},
{separator: true},
{label: "&Manage tunnels...", handler: tray.parent.Show, enabled: true},
{label: "&Import tunnel(s) from file...", handler: tray.parent.onImport, enabled: true},
{separator: true},
{label: "&About WireGuard", handler: onAbout, enabled: true},
{label: "&Quit", handler: onQuit, enabled: true},
} {
var action *walk.Action
if item.separator {
action = walk.NewSeparatorAction()
} else {
action = walk.NewAction()
action.SetText(item.label)
action.SetEnabled(item.enabled)
if item.handler != nil {
action.Triggered().Attach(item.handler)
}
}
tray.ContextMenu().Actions().Add(action)
}
return nil
}
func (tray *Tray) SetTunnelState(tunnel *service.Tunnel, state service.TunnelState) {
tray.SetTunnelStateWithNotification(tunnel, state, true)
}
func (tray *Tray) SetTunnelStateWithNotification(tunnel *service.Tunnel, state service.TunnelState, showNotifications bool) {
action, ok := tray.tunnels[tunnel.Name]
if !ok {
// First time seeing this tunnel, create a new action
action = walk.NewAction()
action.SetText(tunnel.Name)
action.SetEnabled(true)
action.SetCheckable(true)
// TODO: Wire up the click event
tray.tunnels[tunnel.Name] = action
// Add the action at the right spot
var names []string
for name, _ := range tray.tunnels {
names = append(names, name)
}
sort.Strings(names)
var (
idx int
name string
)
for idx, name = range names {
if name == tunnel.Name {
break
}
}
// Status action + separator action
offset := 2
if tray.activeCIDRs != nil {
offset++
}
tray.ContextMenu().Actions().Insert(idx+offset, action)
}
// TODO: No event for deleting a tunnel?
//TODO: also set tray icon to reflect state
switch state {
case service.TunnelStarting:
action.SetEnabled(false)
tray.SetToolTip("WireGuard: Activating...")
case service.TunnelStarted:
// TODO: Set the activeCIDRs
action.SetEnabled(true)
action.SetChecked(true)
tray.SetToolTip("WireGuard: Activated")
if showNotifications {
tray.ShowInfo("WireGuard Activated", fmt.Sprintf("The %s tunnel has been activated.", tunnel.Name))
}
case service.TunnelStopping:
action.SetEnabled(false)
tray.SetToolTip("WireGuard: Deactivating...")
case service.TunnelStopped:
action.SetEnabled(true)
action.SetChecked(false)
tray.SetToolTip("WireGuard: Deactivated")
if showNotifications {
tray.ShowInfo("WireGuard Deactivated", fmt.Sprintf("The %s tunnel has been deactivated.", tunnel.Name))
}
}
}
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