gomuks/ui/view-main.go

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// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2020 Tulir Asokan
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//
// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 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
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package ui
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import (
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"bufio"
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"fmt"
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"os"
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"sync/atomic"
"time"
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"unicode"
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sync "github.com/sasha-s/go-deadlock"
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"maunium.net/go/gomuks/ui/messages"
"maunium.net/go/mautrix/id"
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"maunium.net/go/mauview"
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"maunium.net/go/tcell"
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"maunium.net/go/gomuks/config"
"maunium.net/go/gomuks/debug"
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"maunium.net/go/gomuks/interface"
"maunium.net/go/gomuks/lib/notification"
"maunium.net/go/gomuks/matrix/rooms"
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"maunium.net/go/gomuks/ui/widget"
"maunium.net/go/mautrix/pushrules"
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)
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type MainView struct {
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flex *mauview.Flex
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roomList *RoomList
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roomView *mauview.Box
currentRoom *RoomView
rooms map[id.RoomID]*RoomView
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roomsLock sync.RWMutex
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cmdProcessor *CommandProcessor
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focused mauview.Focusable
modal mauview.Component
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lastFocusTime time.Time
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matrix ifc.MatrixContainer
gmx ifc.Gomuks
config *config.Config
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parent *GomuksUI
}
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func (ui *GomuksUI) NewMainView() mauview.Component {
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mainView := &MainView{
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flex: mauview.NewFlex().SetDirection(mauview.FlexColumn),
roomView: mauview.NewBox(nil).SetBorder(false),
rooms: make(map[id.RoomID]*RoomView),
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matrix: ui.gmx.Matrix(),
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gmx: ui.gmx,
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config: ui.gmx.Config(),
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parent: ui,
}
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mainView.roomList = NewRoomList(mainView)
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mainView.cmdProcessor = NewCommandProcessor(mainView)
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mainView.flex.
AddFixedComponent(mainView.roomList, 25).
AddFixedComponent(widget.NewBorder(), 1).
AddProportionalComponent(mainView.roomView, 1)
mainView.BumpFocus(nil)
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ui.mainView = mainView
return mainView
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}
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func (view *MainView) ShowModal(modal mauview.Component) {
view.modal = modal
var ok bool
view.focused, ok = modal.(mauview.Focusable)
if !ok {
view.focused = nil
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} else {
view.focused.Focus()
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}
}
func (view *MainView) HideModal() {
view.modal = nil
view.focused = view.roomView
}
func (view *MainView) Draw(screen mauview.Screen) {
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if view.config.Preferences.HideRoomList {
view.roomView.Draw(screen)
} else {
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view.flex.Draw(screen)
}
if view.modal != nil {
view.modal.Draw(screen)
}
}
func (view *MainView) BumpFocus(roomView *RoomView) {
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if roomView != nil {
view.lastFocusTime = time.Now()
view.MarkRead(roomView)
}
}
func (view *MainView) MarkRead(roomView *RoomView) {
if roomView != nil && roomView.Room.HasNewMessages() && roomView.MessageView().ScrollOffset == 0 {
msgList := roomView.MessageView().messages
if len(msgList) > 0 {
msg := msgList[len(msgList)-1]
if roomView.Room.MarkRead(msg.ID()) {
view.matrix.MarkRead(roomView.Room.ID, msg.ID())
}
}
}
}
func (view *MainView) InputChanged(roomView *RoomView, text string) {
if !roomView.config.Preferences.DisableTypingNotifs {
view.matrix.SendTyping(roomView.Room.ID, len(text) > 0 && text[0] != '/')
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}
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}
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func findWordToTabComplete(text string) string {
output := ""
runes := []rune(text)
for i := len(runes) - 1; i >= 0; i-- {
if unicode.IsSpace(runes[i]) {
break
}
output = string(runes[i]) + output
}
return output
}
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func (view *MainView) ShowBare(roomView *RoomView) {
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if roomView == nil {
return
}
_, height := view.parent.app.Screen().Size()
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view.parent.app.Suspend(func() {
print("\033[2J\033[0;0H")
// We don't know how much space there exactly is. Too few messages looks weird,
// and too many messages shouldn't cause any problems, so we just show too many.
height *= 2
fmt.Println(roomView.MessageView().CapturePlaintext(height))
fmt.Println("Press enter to return to normal mode.")
reader := bufio.NewReader(os.Stdin)
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_, _, _ = reader.ReadRune()
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print("\033[2J\033[0;0H")
})
}
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func (view *MainView) OpenSyncingModal() ifc.SyncingModal {
component, modal := NewSyncingModal(view)
view.ShowModal(component)
return modal
}
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func (view *MainView) OnKeyEvent(event mauview.KeyEvent) bool {
view.BumpFocus(view.currentRoom)
if view.modal != nil {
return view.modal.OnKeyEvent(event)
}
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k := event.Key()
c := event.Rune()
if event.Modifiers() == tcell.ModCtrl || event.Modifiers() == tcell.ModAlt {
switch {
case k == tcell.KeyDown:
view.SwitchRoom(view.roomList.Next())
case k == tcell.KeyUp:
view.SwitchRoom(view.roomList.Previous())
case c == 'k' || k == tcell.KeyCtrlK:
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view.ShowModal(NewFuzzySearchModal(view, 42, 12))
case k == tcell.KeyHome:
msgView := view.currentRoom.MessageView()
msgView.AddScrollOffset(msgView.TotalHeight())
case k == tcell.KeyEnd:
msgView := view.currentRoom.MessageView()
msgView.AddScrollOffset(-msgView.TotalHeight())
case k == tcell.KeyEnter:
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return view.flex.OnKeyEvent(tcell.NewEventKey(tcell.KeyEnter, '\n', event.Modifiers()|tcell.ModShift, ""))
case c == 'a':
view.SwitchRoom(view.roomList.NextWithActivity())
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case c == 'l' || k == tcell.KeyCtrlL:
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view.ShowBare(view.currentRoom)
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default:
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goto defaultHandler
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}
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return true
}
defaultHandler:
if view.config.Preferences.HideRoomList {
return view.roomView.OnKeyEvent(event)
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}
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return view.flex.OnKeyEvent(event)
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}
const WheelScrollOffsetDiff = 3
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func (view *MainView) OnMouseEvent(event mauview.MouseEvent) bool {
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if view.modal != nil {
return view.modal.OnMouseEvent(event)
}
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if view.config.Preferences.HideRoomList {
return view.roomView.OnMouseEvent(event)
}
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return view.flex.OnMouseEvent(event)
}
func (view *MainView) OnPasteEvent(event mauview.PasteEvent) bool {
if view.modal != nil {
return view.modal.OnPasteEvent(event)
} else if view.config.Preferences.HideRoomList {
return view.roomView.OnPasteEvent(event)
}
return view.flex.OnPasteEvent(event)
}
func (view *MainView) Focus() {
if view.focused != nil {
view.focused.Focus()
}
}
func (view *MainView) Blur() {
if view.focused != nil {
view.focused.Blur()
}
}
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func (view *MainView) SwitchRoom(tag string, room *rooms.Room) {
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view.switchRoom(tag, room, true)
}
func (view *MainView) switchRoom(tag string, room *rooms.Room, lock bool) {
if room == nil {
return
}
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room.Load()
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roomView, ok := view.getRoomView(room.ID, lock)
if !ok {
debug.Print("Tried to switch to room with nonexistent roomView!")
debug.Print(tag, room)
return
}
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roomView.Update()
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view.roomView.SetInnerComponent(roomView)
view.currentRoom = roomView
view.MarkRead(roomView)
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view.roomList.SetSelected(tag, room)
view.flex.SetFocused(view.roomView)
view.focused = view.roomView
view.roomView.Focus()
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view.parent.Render()
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if msgView := roomView.MessageView(); len(msgView.messages) < 20 && !msgView.initialHistoryLoaded {
msgView.initialHistoryLoaded = true
go view.LoadHistory(room.ID)
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}
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if !room.MembersFetched {
go func() {
err := view.matrix.FetchMembers(room)
if err != nil {
debug.Print("Error fetching members:", err)
return
}
roomView.UpdateUserList()
view.parent.Render()
}()
}
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}
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func (view *MainView) addRoomPage(room *rooms.Room) *RoomView {
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if _, ok := view.rooms[room.ID]; !ok {
roomView := NewRoomView(view, room).
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SetInputChangedFunc(view.InputChanged)
view.rooms[room.ID] = roomView
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return roomView
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}
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return nil
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}
func (view *MainView) GetRoom(roomID id.RoomID) ifc.RoomView {
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room, ok := view.getRoomView(roomID, true)
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if !ok {
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return view.addRoom(view.matrix.GetOrCreateRoom(roomID))
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}
return room
}
func (view *MainView) getRoomView(roomID id.RoomID, lock bool) (room *RoomView, ok bool) {
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if lock {
view.roomsLock.RLock()
room, ok = view.rooms[roomID]
view.roomsLock.RUnlock()
} else {
room, ok = view.rooms[roomID]
}
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return room, ok
}
func (view *MainView) AddRoom(room *rooms.Room) {
view.addRoom(room)
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}
func (view *MainView) RemoveRoom(room *rooms.Room) {
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view.roomsLock.Lock()
_, ok := view.getRoomView(room.ID, false)
if !ok {
view.roomsLock.Unlock()
debug.Print("Remove aborted (not found)", room.ID, room.GetTitle())
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return
}
debug.Print("Removing", room.ID, room.GetTitle())
view.roomList.Remove(room)
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t, r := view.roomList.Selected()
view.switchRoom(t, r, false)
delete(view.rooms, room.ID)
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view.roomsLock.Unlock()
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view.parent.Render()
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}
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func (view *MainView) addRoom(room *rooms.Room) *RoomView {
if view.roomList.Contains(room.ID) {
debug.Print("Add aborted (room exists)", room.ID, room.GetTitle())
return nil
}
debug.Print("Adding", room.ID, room.GetTitle())
view.roomList.Add(room)
view.roomsLock.Lock()
roomView := view.addRoomPage(room)
if !view.roomList.HasSelected() {
t, r := view.roomList.First()
view.switchRoom(t, r, false)
}
view.roomsLock.Unlock()
return roomView
}
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func (view *MainView) SetRooms(rooms *rooms.RoomCache) {
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view.roomList.Clear()
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view.roomsLock.Lock()
view.rooms = make(map[id.RoomID]*RoomView)
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for _, room := range rooms.Map {
if room.HasLeft {
continue
}
view.roomList.Add(room)
view.addRoomPage(room)
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}
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t, r := view.roomList.First()
view.switchRoom(t, r, false)
view.roomsLock.Unlock()
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}
func (view *MainView) UpdateTags(room *rooms.Room) {
if !view.roomList.Contains(room.ID) {
return
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}
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reselect := view.roomList.selected == room
view.roomList.Remove(room)
view.roomList.Add(room)
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if reselect {
view.roomList.SetSelected(room.Tags()[0].Tag, room)
}
view.parent.Render()
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}
func (view *MainView) SetTyping(roomID id.RoomID, users []id.UserID) {
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roomView, ok := view.getRoomView(roomID, true)
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if ok {
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roomView.SetTyping(users)
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view.parent.Render()
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}
}
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func sendNotification(room *rooms.Room, sender, text string, critical, sound bool) {
if room.GetTitle() != sender {
sender = fmt.Sprintf("%s (%s)", sender, room.GetTitle())
}
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debug.Printf("Sending notification with body \"%s\" from %s in room ID %s (critical=%v, sound=%v)", text, sender, room.ID, critical, sound)
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notification.Send(sender, text, critical, sound)
}
func (view *MainView) Bump(room *rooms.Room) {
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view.roomList.Bump(room)
}
func (view *MainView) NotifyMessage(room *rooms.Room, message ifc.Message, should pushrules.PushActionArrayShould) {
view.Bump(room)
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uiMsg, ok := message.(*messages.UIMessage)
if ok && uiMsg.SenderID == view.config.UserID {
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return
}
// Whether or not the room where the message came is the currently shown room.
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isCurrent := room == view.roomList.SelectedRoom()
// Whether or not the terminal window is focused.
recentlyFocused := time.Now().Add(-30 * time.Second).Before(view.lastFocusTime)
isFocused := time.Now().Add(-5 * time.Second).Before(view.lastFocusTime)
// Whether or not the push rules say this message should be notified about.
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shouldNotify := should.Notify || !should.NotifySpecified
if !isCurrent || !isFocused {
// The message is not in the current room, show new message status in room list.
room.AddUnread(message.ID(), shouldNotify, should.Highlight)
} else {
view.matrix.MarkRead(room.ID, message.ID())
}
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if shouldNotify && !recentlyFocused && !view.config.Preferences.DisableNotifications {
// Push rules say notify and the terminal is not focused, send desktop notification.
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shouldPlaySound := should.PlaySound &&
should.SoundName == "default" &&
view.config.NotifySound
sendNotification(room, message.NotificationSenderName(), message.NotificationContent(), should.Highlight, shouldPlaySound)
}
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// TODO this should probably happen somewhere else
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// (actually it's probably completely broken now)
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message.SetIsHighlight(should.Highlight)
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}
func (view *MainView) LoadHistory(roomID id.RoomID) {
defer debug.Recover()
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roomView, ok := view.getRoomView(roomID, true)
if !ok {
return
}
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msgView := roomView.MessageView()
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if !atomic.CompareAndSwapInt32(&msgView.loadingMessages, 0, 1) {
// Locked
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return
}
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defer atomic.StoreInt32(&msgView.loadingMessages, 0)
// Update the "Loading more messages..." text
view.parent.Render()
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history, newLoadPtr, err := view.matrix.GetHistory(roomView.Room, 50, msgView.historyLoadPtr)
if err != nil {
roomView.AddServiceMessage("Failed to fetch history")
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debug.Print("Failed to fetch history for", roomView.Room.ID, err)
view.parent.Render()
return
}
//debug.Printf("Load pointer %d -> %d", msgView.historyLoadPtr, newLoadPtr)
msgView.historyLoadPtr = newLoadPtr
for _, evt := range history {
roomView.AddHistoryEvent(evt)
}
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view.parent.Render()
}