aerc/widgets/account.go

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package widgets
import (
"errors"
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"fmt"
"sync"
"time"
"github.com/gdamore/tcell/v2"
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"git.sr.ht/~rjarry/aerc/config"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/lib/marker"
"git.sr.ht/~rjarry/aerc/lib/sort"
"git.sr.ht/~rjarry/aerc/lib/statusline"
"git.sr.ht/~rjarry/aerc/lib/ui"
"git.sr.ht/~rjarry/aerc/logging"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/worker"
"git.sr.ht/~rjarry/aerc/worker/types"
)
var _ ProvidesMessages = (*AccountView)(nil)
type AccountView struct {
sync.Mutex
acct *config.AccountConfig
aerc *Aerc
conf *config.AercConfig
dirlist DirectoryLister
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labels []string
grid *ui.Grid
host TabHost
msglist *MessageList
worker *types.Worker
state *statusline.State
newConn bool // True if this is a first run after a new connection/reconnection
uiConf *config.UIConfig
// Check-mail ticker
ticker *time.Ticker
checkingMail bool
}
func (acct *AccountView) UiConfig() *config.UIConfig {
if dirlist := acct.Directories(); dirlist != nil {
return dirlist.UiConfig("")
}
return acct.uiConf
}
func NewAccountView(aerc *Aerc, conf *config.AercConfig, acct *config.AccountConfig,
host TabHost, deferLoop chan struct{},
) (*AccountView, error) {
acctUiConf := conf.GetUiConfig(map[config.ContextType]string{
config.UI_CONTEXT_ACCOUNT: acct.Name,
})
view := &AccountView{
acct: acct,
aerc: aerc,
conf: conf,
host: host,
state: statusline.NewState(acct.Name, len(conf.Accounts) > 1, conf.Statusline),
uiConf: acctUiConf,
}
view.grid = ui.NewGrid().Rows([]ui.GridSpec{
{Strategy: ui.SIZE_WEIGHT, Size: ui.Const(1)},
}).Columns([]ui.GridSpec{
{Strategy: ui.SIZE_EXACT, Size: func() int {
return view.UiConfig().SidebarWidth
}},
{Strategy: ui.SIZE_WEIGHT, Size: ui.Const(1)},
})
worker, err := worker.NewWorker(acct.Source)
if err != nil {
host.SetError(fmt.Sprintf("%s: %s", acct.Name, err))
logging.Errorf("%s: %v", acct.Name, err)
return view, err
}
view.worker = worker
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view.dirlist = NewDirectoryList(conf, acct, worker)
if acctUiConf.SidebarWidth > 0 {
view.grid.AddChild(ui.NewBordered(view.dirlist, ui.BORDER_RIGHT, acctUiConf))
}
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view.msglist = NewMessageList(conf, aerc)
view.grid.AddChild(view.msglist).At(0, 1)
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go func() {
defer logging.PanicHandler()
if deferLoop != nil {
<-deferLoop
}
worker.Backend.Run()
}()
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worker.PostAction(&types.Configure{Config: acct}, nil)
worker.PostAction(&types.Connect{}, nil)
view.SetStatus(statusline.ConnectionActivity("Connecting..."))
if acct.CheckMail.Minutes() > 0 {
view.CheckMailTimer(acct.CheckMail)
}
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return view, nil
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}
func (acct *AccountView) Tick() bool {
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if acct.worker == nil {
return false
}
select {
case msg := <-acct.worker.Messages:
msg = acct.worker.ProcessMessage(msg)
acct.onMessage(msg)
return true
default:
return false
}
}
func (acct *AccountView) SetStatus(setters ...statusline.SetStateFunc) {
for _, fn := range setters {
fn(acct.state, acct.SelectedDirectory())
}
acct.UpdateStatus()
}
func (acct *AccountView) UpdateStatus() {
if acct.isSelected() {
acct.host.SetStatus(acct.state.StatusLine(acct.SelectedDirectory()))
}
}
func (acct *AccountView) PushStatus(status string, expiry time.Duration) {
acct.aerc.PushStatus(fmt.Sprintf("%s: %s", acct.acct.Name, status), expiry)
}
func (acct *AccountView) PushError(err error) {
acct.aerc.PushError(fmt.Sprintf("%s: %v", acct.acct.Name, err))
}
func (acct *AccountView) AccountConfig() *config.AccountConfig {
return acct.acct
}
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func (acct *AccountView) Worker() *types.Worker {
return acct.worker
}
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func (acct *AccountView) Name() string {
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return acct.acct.Name
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}
func (acct *AccountView) OnInvalidate(onInvalidate func(d ui.Drawable)) {
acct.grid.OnInvalidate(func(_ ui.Drawable) {
onInvalidate(acct)
})
}
func (acct *AccountView) Invalidate() {
acct.grid.Invalidate()
}
func (acct *AccountView) Draw(ctx *ui.Context) {
if acct.state.SetWidth(ctx.Width()) {
acct.UpdateStatus()
}
acct.grid.Draw(ctx)
}
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func (acct *AccountView) MouseEvent(localX int, localY int, event tcell.Event) {
acct.grid.MouseEvent(localX, localY, event)
}
func (acct *AccountView) Focus(focus bool) {
// TODO: Unfocus children I guess
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}
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func (acct *AccountView) Directories() DirectoryLister {
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return acct.dirlist
}
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func (acct *AccountView) Labels() []string {
return acct.labels
}
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func (acct *AccountView) Messages() *MessageList {
return acct.msglist
}
func (acct *AccountView) Store() *lib.MessageStore {
if acct.msglist == nil {
return nil
}
return acct.msglist.Store()
}
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func (acct *AccountView) SelectedAccount() *AccountView {
return acct
}
func (acct *AccountView) SelectedDirectory() string {
return acct.dirlist.Selected()
}
func (acct *AccountView) SelectedMessage() (*models.MessageInfo, error) {
if len(acct.msglist.Store().Uids()) == 0 {
return nil, errors.New("no message selected")
}
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msg := acct.msglist.Selected()
if msg == nil {
return nil, errors.New("message not loaded")
}
return msg, nil
}
func (acct *AccountView) MarkedMessages() ([]uint32, error) {
if store := acct.Store(); store != nil {
return store.Marker().Marked(), nil
}
return nil, errors.New("no store available")
}
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func (acct *AccountView) SelectedMessagePart() *PartInfo {
return nil
}
func (acct *AccountView) isSelected() bool {
return acct == acct.aerc.SelectedAccount()
}
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func (acct *AccountView) onMessage(msg types.WorkerMessage) {
switch msg := msg.(type) {
case *types.Done:
switch msg.InResponseTo().(type) {
case *types.Connect, *types.Reconnect:
acct.SetStatus(statusline.ConnectionActivity("Listing mailboxes..."))
logging.Debugf("Listing mailboxes...")
acct.dirlist.UpdateList(func(dirs []string) {
var dir string
for _, _dir := range dirs {
if _dir == acct.acct.Default {
dir = _dir
break
}
}
if dir == "" && len(dirs) > 0 {
dir = dirs[0]
}
if dir != "" {
acct.dirlist.Select(dir)
}
acct.msglist.SetInitDone()
logging.Infof("%s connected.", acct.acct.Name)
acct.SetStatus(statusline.SetConnected(true))
acct.newConn = true
})
case *types.Disconnect:
acct.dirlist.ClearList()
acct.msglist.SetStore(nil)
logging.Infof("%s disconnected.", acct.acct.Name)
acct.SetStatus(statusline.SetConnected(false))
case *types.OpenDirectory:
if store, ok := acct.dirlist.SelectedMsgStore(); ok {
// If we've opened this dir before, we can re-render it from
// memory while we wait for the update and the UI feels
// snappier. If not, we'll unset the store and show the spinner
// while we download the UID list.
acct.msglist.SetStore(store)
} else {
acct.msglist.SetStore(nil)
}
case *types.CreateDirectory:
acct.dirlist.UpdateList(nil)
case *types.RemoveDirectory:
acct.dirlist.UpdateList(nil)
case *types.FetchMessageHeaders:
if acct.newConn {
acct.checkMailOnStartup()
}
}
case *types.DirectoryInfo:
if store, ok := acct.dirlist.MsgStore(msg.Info.Name); ok {
store.Update(msg)
} else {
name := msg.Info.Name
store = lib.NewMessageStore(acct.worker, msg.Info,
acct.GetSortCriteria(),
acct.dirlist.UiConfig(name).ThreadingEnabled,
acct.dirlist.UiConfig(name).ForceClientThreads,
acct.dirlist.UiConfig(name).ClientThreadsDelay,
func(msg *models.MessageInfo) {
acct.conf.Triggers.ExecNewEmail(acct.acct,
acct.conf, msg)
}, func() {
if acct.dirlist.UiConfig(name).NewMessageBell {
acct.host.Beep()
}
})
store.SetMarker(marker.New(store))
acct.dirlist.SetMsgStore(msg.Info.Name, store)
}
case *types.DirectoryContents:
if store, ok := acct.dirlist.SelectedMsgStore(); ok {
if acct.msglist.Store() == nil {
acct.msglist.SetStore(store)
}
store.Update(msg)
acct.SetStatus(statusline.Threading(store.ThreadedView()))
}
if acct.newConn && len(msg.Uids) == 0 {
acct.checkMailOnStartup()
}
case *types.DirectoryThreaded:
if store, ok := acct.dirlist.SelectedMsgStore(); ok {
if acct.msglist.Store() == nil {
acct.msglist.SetStore(store)
}
store.Update(msg)
acct.SetStatus(statusline.Threading(store.ThreadedView()))
}
if acct.newConn && len(msg.Threads) == 0 {
acct.checkMailOnStartup()
}
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case *types.FullMessage:
if store, ok := acct.dirlist.SelectedMsgStore(); ok {
store.Update(msg)
}
case *types.MessageInfo:
if store, ok := acct.dirlist.SelectedMsgStore(); ok {
store.Update(msg)
}
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case *types.MessagesDeleted:
if store, ok := acct.dirlist.SelectedMsgStore(); ok {
store.DirInfo.Exists -= len(msg.Uids)
// False to trigger recount of recent/unseen
store.DirInfo.AccurateCounts = false
store.Update(msg)
}
case *types.MessagesCopied:
acct.updateDirCounts(msg.Destination, msg.Uids)
case *types.MessagesMoved:
acct.updateDirCounts(msg.Destination, msg.Uids)
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case *types.LabelList:
acct.labels = msg.Labels
case *types.ConnError:
logging.Errorf("%s connection error: %v", acct.acct.Name, msg.Error)
acct.SetStatus(statusline.SetConnected(false))
acct.PushError(msg.Error)
acct.msglist.SetStore(nil)
acct.worker.PostAction(&types.Reconnect{}, nil)
case *types.Error:
logging.Errorf("%s unexpected error: %v", acct.acct.Name, msg.Error)
acct.PushError(msg.Error)
}
acct.UpdateStatus()
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}
func (acct *AccountView) updateDirCounts(destination string, uids []uint32) {
// Only update the destination destStore if it is initialized
if destStore, ok := acct.dirlist.MsgStore(destination); ok {
var recent, unseen int
var accurate bool = true
for _, uid := range uids {
// Get the message from the originating store
msg, ok := acct.Store().Messages[uid]
if !ok {
continue
}
// If message that was not yet loaded is copied
if msg == nil {
accurate = false
break
}
seen := false
for _, flag := range msg.Flags {
if flag == models.SeenFlag {
seen = true
}
if flag == models.RecentFlag {
recent++
}
}
if !seen {
unseen++
}
}
if accurate {
destStore.DirInfo.Recent += recent
destStore.DirInfo.Unseen += unseen
destStore.DirInfo.Exists += len(uids)
// True. For imap, we don't have the message in the store until we
// Select so we need to rely on the math we just did for accurate
// counts
destStore.DirInfo.AccurateCounts = true
} else {
destStore.DirInfo.Exists += len(uids)
// False to trigger recount of recent/unseen
destStore.DirInfo.AccurateCounts = false
}
}
}
func (acct *AccountView) GetSortCriteria() []*types.SortCriterion {
if len(acct.UiConfig().Sort) == 0 {
return nil
}
criteria, err := sort.GetSortCriteria(acct.UiConfig().Sort)
if err != nil {
acct.PushError(fmt.Errorf("ui sort: %w", err))
return nil
}
return criteria
}
func (acct *AccountView) CheckMail() {
acct.Lock()
defer acct.Unlock()
if acct.checkingMail {
return
}
// Exclude selected mailbox, per IMAP specification
exclude := append(acct.AccountConfig().CheckMailExclude, acct.dirlist.Selected()) //nolint:gocritic // intentional append to different slice
dirs := acct.dirlist.List()
dirs = acct.dirlist.FilterDirs(dirs, acct.AccountConfig().CheckMailInclude, false)
dirs = acct.dirlist.FilterDirs(dirs, exclude, true)
logging.Infof("Checking for new mail on account %s", acct.Name())
acct.SetStatus(statusline.ConnectionActivity("Checking for new mail..."))
msg := &types.CheckMail{
Directories: dirs,
Command: acct.acct.CheckMailCmd,
Timeout: acct.acct.CheckMailTimeout,
}
acct.checkingMail = true
acct.worker.PostAction(msg, func(_ types.WorkerMessage) {
acct.SetStatus(statusline.ConnectionActivity(""))
acct.Lock()
acct.checkingMail = false
acct.Unlock()
})
}
// CheckMailReset resets the check-mail timer
func (acct *AccountView) CheckMailReset() {
if acct.ticker != nil {
d := acct.AccountConfig().CheckMail
acct.ticker = time.NewTicker(d)
}
}
func (acct *AccountView) checkMailOnStartup() {
if acct.AccountConfig().CheckMail.Minutes() > 0 {
acct.newConn = false
acct.CheckMail()
}
}
func (acct *AccountView) CheckMailTimer(d time.Duration) {
acct.ticker = time.NewTicker(d)
go func() {
for range acct.ticker.C {
if !acct.state.Connected() {
continue
}
acct.CheckMail()
}
}()
}