Add users currently typing in room bar

TODO.md

@@ -20,3 +20,5 @@
 - Load previous events on scroll up
 
 - Migrate more JS functions to their own files
+
+- Accept room\_id arg for getUser

harmonyqml/backend/client.py

@@ -37,10 +37,11 @@ def futurize(func: Callable) -> Callable:
 
 
 class Client(QObject):
-    roomInvited       = pyqtSignal(str)
-    roomJoined        = pyqtSignal(str)
-    roomLeft          = pyqtSignal(str)
-    roomEventReceived = pyqtSignal(str, str, dict)
+    roomInvited            = pyqtSignal(str)
+    roomJoined             = pyqtSignal(str)
+    roomLeft               = pyqtSignal(str)
+    roomEventReceived      = pyqtSignal(str, str, dict)
+    roomTypingUsersUpdated = pyqtSignal(str, list)
 
 
     def __init__(self, hostname: str, username: str, device_id: str = ""
@@ -121,5 +122,11 @@ class Client(QObject):
                     room_id, type(ev).__name__, ev.__dict__
                 )
 
+            for ev in room_info.ephemeral:
+                if isinstance(ev, nr.TypingNoticeEvent):
+                    self.roomTypingUsersUpdated.emit(room_id, ev.users)
+                else:
+                    print("ephemeral event: ", ev)
+
         for room_id in response.rooms.leave:
             self.roomLeft.emit(room_id)

harmonyqml/backend/model/items.py

@@ -1,12 +1,10 @@
 # Copyright 2019 miruka
 # This file is part of harmonyqml, licensed under GPLv3.
 
-from typing import Dict, NamedTuple, Optional
+from typing import Dict, List, NamedTuple, Optional
 
 from PyQt5.QtCore import QDateTime
 
-from .enums import Activity, Presence
-
 
 class User(NamedTuple):
     user_id:        str
@@ -16,14 +14,10 @@ class User(NamedTuple):
 
 
 class Room(NamedTuple):
-    room_id:                    str
-    display_name:               Optional[str]
-    description:                str           = ""
-    unread_messages:            int           = 0
-    presence:                   Presence      = Presence.none
-    activity:                   Activity      = Activity.none
-    last_activity_timestamp_ms: Optional[int] = None
-    avatar_url:                 Optional[str] = None
+    room_id:      str
+    display_name: Optional[str]
+    description:  str       = ""
+    typing_users: List[str] = []
 
 
 class RoomEvent(NamedTuple):

harmonyqml/backend/model/list_model.py

@@ -10,6 +10,7 @@ from PyQt5.QtCore import (
 )
 
 NewValue = Union[Mapping[str, Any], Sequence]
+ReturnItem = Dict[str, Any]
 
 
 class ListModel(QAbstractListModel):
@@ -96,7 +97,7 @@ class ListModel(QAbstractListModel):
 
 
     @pyqtSlot(int, result="QVariantMap")
-    def get(self, index: int) -> Dict[str, Any]:
+    def get(self, index: int) -> ReturnItem:
         return self._list[index]._asdict()
 
 
@@ -110,6 +111,11 @@ class ListModel(QAbstractListModel):
                          f"property {prop!r} set to {is_value!r}.")
 
 
+    @pyqtSlot(str, "QVariant", result="QVariantMap")
+    def getWhere(self, prop: str, is_value: Any) -> ReturnItem:
+        return self.get(self.indexWhere(prop, is_value))
+
+
     @pyqtSlot(int, list)
     def insert(self, index: int, value: NewValue) -> None:
         value = self._convert_new_value(value)

harmonyqml/backend/signal_manager.py

@@ -2,7 +2,7 @@
 # This file is part of harmonyqml, licensed under GPLv3.
 
 from threading import Lock
-from typing import Any, Deque, Dict, Optional
+from typing import Any, Deque, Dict, List, Optional
 
 from PyQt5.QtCore import QDateTime, QObject, pyqtBoundSignal
 
@@ -109,3 +109,11 @@ class SignalManager(QObject):
                     break
             else:
                 model.insert(0, new_event)
+
+
+    def onRoomTypingUsersUpdated(
+            self, client: Client, room_id: str, users: List[str]
+        ) -> None:
+
+        rooms = self.backend.models.rooms[client.userID]
+        rooms[rooms.indexWhere("room_id", room_id)].typing_users = users

harmonyqml/components/UI.qml

@@ -24,10 +24,6 @@ Controls1.SplitView {
         }
 
         id: "pageStack"
-//        initialItem: Chat.Root {
-            //user: Backend.accountsModel.get(0)
-            //room: Backend.roomsModel[Backend.accountsModel.get(0).user_id].get(0)
-        //}
 
         onCurrentItemChanged: currentItem.forceActiveFocus()
 

harmonyqml/components/chat/Root.qml

@@ -6,11 +6,13 @@ ColumnLayout {
     property var user_id: null
     property var room: null
 
+
     id: chatPage
     spacing: 0
     onFocusChanged: sendBox.setFocus()
 
     RoomHeader {}
     MessageList {}
+    TypingUsersBar {}
     SendBox { id: sendBox }
 }

harmonyqml/components/chat/TypingUsersBar.qml

@@ -0,0 +1,31 @@
+import QtQuick 2.7
+import QtQuick.Controls 2.2
+import QtQuick.Layouts 1.4
+import "../base" as Base
+import "utils.js" as ChatJS
+
+Rectangle {
+    id: root
+    Layout.fillWidth: true
+    Layout.minimumHeight: usersLabel.text ? usersLabel.implicitHeight : 0
+    Layout.maximumHeight: Layout.minimumHeight
+    color: "#BBB"
+
+    Base.HLabel {
+        id: "usersLabel"
+        anchors.fill: parent
+
+        Timer {
+            interval: 500
+            repeat: true
+            running: true
+            triggeredOnStart: true
+            onTriggered: usersLabel.text = ChatJS.get_typing_users_text(
+                chatPage.user_id, chatPage.room.room_id
+            )
+        }
+
+        elide: Text.ElideMiddle
+        maximumLineCount: 1
+    }
+}

harmonyqml/components/chat/utils.js

@@ -124,3 +124,21 @@ function get_member_event_text(dict) {
 
     return ""
 }
+
+
+function get_typing_users_text(account_id, room_id) {
+    var names = []
+    var room  = Backend.models.rooms.get(account_id)
+                .getWhere("room_id", room_id)
+
+    for (var i = 0; i < room.typing_users.length; i++) {
+        names.push(Backend.getUser(room.typing_users[i]).display_name)
+    }
+
+    if (names.length < 1) { return "" }
+
+    return "🖋 " +
+           [names.slice(0, -1).join(", "), names.slice(-1)[0]]
+           .join(names.length < 2 ? "" : " and ") +
+           (names.length > 1 ? " are" : " is") + " typing…"
+}