Allow more images.

The idea is to use this field to dismiss messages only when
a sync response with their id arrives.

src/Main.elm

@@ -60,7 +60,13 @@ init _ url key =
 
 view : Model -> Browser.Document Msg
 view m =
-    { title = "Scylla"
+    let
+        notificationString = totalNotificationCountString m.sync
+        titleString = case notificationString of
+            Nothing -> "Scylla"
+            Just s -> s ++ " Scylla"
+    in 
+        { title = titleString
         , body = viewFull m
         }
 
@@ -81,14 +87,14 @@ update msg model = case msg of
     ReceiveUserData s r -> updateUserData model s r
     ChangeRoomText r t -> updateChangeRoomText model r t
     SendRoomText r -> updateSendRoomText model r
-    SendRoomTextResponse t r -> ({ model | sending = Dict.remove t model.sending }, Cmd.none)
+    SendRoomTextResponse t r -> updateSendRoomTextResponse model t r
     ReceiveCompletedReadMarker r -> (model, Cmd.none)
     ReceiveCompletedTypingIndicator r -> (model, Cmd.none)
     ReceiveStoreData d -> updateStoreData model d
     TypingTick _ -> updateTypingTick model
     History r -> updateHistory model r
     ReceiveHistoryResponse r hr -> updateHistoryResponse model r hr
-    SendImages rid -> (model, Select.files [ "image/png" ] <| ImagesSelected rid)
+    SendImages rid -> (model, Select.files [ "image/jpeg", "image/png", "image/gif" ] <| ImagesSelected rid)
     SendFiles rid -> (model, Select.files [ "application/*" ] <| FilesSelected rid)
     ImagesSelected rid f fs -> updateUploadSelected model rid f fs (ImageUploadComplete rid)
     FilesSelected rid f fs -> updateUploadSelected model rid f fs (FileUploadComplete rid)
@@ -103,6 +109,17 @@ update msg model = case msg of
 requestScrollCmd : Cmd Msg
 requestScrollCmd = Task.attempt ViewportAfterMessage (Browser.Dom.getViewportOf "messages-wrapper")
 
+updateSendRoomTextResponse : Model -> Int -> Result Http.Error String -> (Model, Cmd Msg)
+updateSendRoomTextResponse m t r =
+    let
+        updateFunction newId msg = case msg of
+            Just (rid, { body, id }) -> Just (rid, { body = body, id = Just newId })
+            Nothing -> Nothing
+    in
+        case r of
+            Ok s -> ({ m | sending = Dict.update t (updateFunction s) m.sending }, Cmd.none)
+            Err e -> ({ m | sending = Dict.remove t m.sending }, Cmd.none) 
+
 updateDismissError : Model -> Int -> (Model, Cmd Msg)
 updateDismissError m i = ({ m | errors = (List.take i m.errors) ++ (List.drop (i+1) m.errors)}, Cmd.none)
 
@@ -115,7 +132,7 @@ updateMarkdown m { roomId, text, markdown } =
         sendMessageCmd = sendMarkdownMessage m.apiUrl (Maybe.withDefault "" m.token) (m.transactionId + 1) roomId text markdown
         newModel =
             { m | transactionId = m.transactionId + 1
-            , sending = Dict.insert (m.transactionId + 1) (roomId, TextMessage text) m.sending
+            , sending = Dict.insert (m.transactionId + 1) (roomId, { body = TextMessage text, id = Nothing }) m.sending
             }
     in
         (newModel, Cmd.batch [ storeValueCmd, sendMessageCmd, requestScrollCmd ])
@@ -322,9 +339,11 @@ updateSyncResponse model r notify =
         setReadReceiptCmd sr = case (room, List.head <| List.reverse <| roomMessages sr) of
             (Just rid, Just re) -> setReadMarkers model.apiUrl token rid re.eventId <| Just re.eventId
             _ -> Cmd.none
+        receivedEvents sr = List.map Just <| allTimelineEventIds sr
+        sending sr = Dict.filter (\_ (rid, { body, id }) -> not <| List.member id <| receivedEvents sr) model.sending
     in
         case r of
-            Ok sr -> ({ model | sync = mergeSyncResponse model.sync sr }, Cmd.batch
+            Ok sr -> ({ model | sync = mergeSyncResponse model.sync sr, sending = sending (mergeSyncResponse model.sync sr) }, Cmd.batch
                 [ syncCmd
                 , newUserCmd sr
                 , notificationCmd sr

src/Scylla/Http.elm

@@ -7,6 +7,7 @@ import Scylla.Login exposing (loginResponseDecoder, Username, Password)
 import Scylla.UserData exposing (userDataDecoder, UserData)
 import Url.Builder
 import Json.Encode exposing (object, string, int, bool, list)
+import Json.Decode as Decode exposing (field)
 import Http exposing (request, emptyBody, jsonBody, fileBody, expectJson, expectWhatever)
 import File exposing (File, name, mime)
 import Url.Builder as Builder
@@ -75,7 +76,7 @@ getHistory apiUrl token room prevBatch = request
     , tracker = Nothing
     }
 
-sendMessage : ApiUrl -> ApiToken -> Int -> RoomId -> (Result Http.Error () -> Msg) -> List (String, Json.Encode.Value) -> Cmd Msg
+sendMessage : ApiUrl -> ApiToken -> Int -> RoomId -> (Result Http.Error String -> Msg) -> List (String, Json.Encode.Value) -> Cmd Msg
 sendMessage apiUrl token transactionId room msg contents = request
     { method = "PUT"
     , headers = authenticatedHeaders token
@@ -84,7 +85,7 @@ sendMessage apiUrl token transactionId room msg contents = request
         ++ "/send/" ++ "m.room.message"
         ++ "/" ++ (String.fromInt transactionId)
     , body = jsonBody <| object contents
-    , expect = expectWhatever msg
+    , expect = expectJson msg (field "event_id" Decode.string)
     , timeout = Nothing
     , tracker = Nothing
     }

src/Scylla/Messages.elm

@@ -2,7 +2,12 @@ module Scylla.Messages exposing (..)
 import Scylla.Sync exposing (RoomEvent)
 import Scylla.Login exposing (Username)
 
-type SendingMessage = TextMessage String
+type SendingMessageBody = TextMessage String
+
+type alias SendingMessage =
+    { body : SendingMessageBody
+    , id : Maybe String
+    }
 
 type Message =
     Sending SendingMessage

src/Scylla/Model.elm

@@ -44,7 +44,7 @@ type Msg =
     | ChangeRoute Route -- URL changes
     | ChangeRoomText String String -- Change to a room's input text
     | SendRoomText String -- Sends a message typed into a given room's input
-    | SendRoomTextResponse Int (Result Http.Error ()) -- A send message response finished
+    | SendRoomTextResponse Int (Result Http.Error String) -- A send message response finished
     | ViewportAfterMessage (Result Browser.Dom.Error Viewport) -- A message has been received, try scroll (maybe)
     | ViewportChangeComplete (Result Browser.Dom.Error ()) -- We're done changing the viewport.
     | ReceiveFirstSyncResponse (Result Http.Error SyncResponse) -- HTTP, Sync has finished
@@ -63,8 +63,8 @@ type Msg =
     | FilesSelected RoomId File (List File)
     | ImageUploadComplete RoomId File (Result Http.Error String)
     | FileUploadComplete RoomId File (Result Http.Error String)
-    | SendImageResponse (Result Http.Error ())
-    | SendFileResponse (Result Http.Error ())
+    | SendImageResponse (Result Http.Error String)
+    | SendFileResponse (Result Http.Error String)
     | ReceiveMarkdown MarkdownResponse
     | DismissError Int
     | AttemptReconnect

src/Scylla/Sync.elm

@@ -476,6 +476,9 @@ allRoomDictTimelineEvents dict = List.concatMap (Maybe.withDefault [] << .events
     <| List.filterMap .timeline
     <| Dict.values dict
 
+allTimelineEventIds : SyncResponse -> List String
+allTimelineEventIds s = List.map .eventId <| allTimelineEvents s
+
 allTimelineEvents : SyncResponse -> List RoomEvent
 allTimelineEvents s =
     let
@@ -493,6 +496,32 @@ joinedRoomsTimelineEvents s =
     <| Maybe.map (Dict.map (\k v -> Maybe.withDefault [] <| Maybe.andThen .events v.timeline))
     <| Maybe.andThen .join s.rooms
 
+totalNotificationCountString : SyncResponse -> Maybe String
+totalNotificationCountString sr =
+    let
+        (h, n) = totalNotificationCounts sr
+        suffix = case h of
+            0 -> ""
+            _ -> "!"
+    in
+        case n of
+            0 -> Nothing
+            _ -> Just <| "(" ++ String.fromInt n ++ suffix ++ ")"
+
+totalNotificationCounts : SyncResponse -> (Int, Int)
+totalNotificationCounts sr =
+    let
+        rooms = Maybe.withDefault []
+            <| Maybe.map (Dict.values)
+            <| Maybe.andThen (.join) sr.rooms
+        zeroDefault = Maybe.withDefault 0
+        getCounts = Maybe.map (\cs -> (zeroDefault cs.highlightCount, zeroDefault cs.notificationCount))
+            << .unreadNotifications
+        sumCounts (h1, n1) (h2, n2) = (h1 + h2, n1 + n2)
+    in
+        List.foldl sumCounts (0, 0)
+            <| List.filterMap getCounts rooms
+
 -- Business Logic: Room Info
 roomAccountData : JoinedRoom -> String -> Maybe Decode.Value
 roomAccountData jr et =

src/Scylla/Views.elm

@@ -213,8 +213,8 @@ messageView m msg = case msg of
     Received re -> roomEventView m re
 
 sendingMessageView : Model -> SendingMessage -> Html Msg
-sendingMessageView m msg = case msg of
-    TextMessage t -> text t
+sendingMessageView m msg = case msg.body of
+    TextMessage t -> span [ class "sending"] [ text t ]
 
 roomEventView : Model -> RoomEvent -> Maybe (Html Msg)
 roomEventView m re =

static/scss/style.scss

@@ -249,6 +249,10 @@ table.messages-table {
         max-height: 400px;
     }
 
+    .sending {
+        color: grey;
+    }
+
     video {
         max-width: 90%;
         max-height: 400px;