Make EditAccount show a spinner until ready

Instead of crashing if userInfo is not yet available.

statusMessage is removed for now from UserUpdated events,
and the users model items will have a "loading" property.

src/python/backend.py

@@ -3,7 +3,7 @@
 
 import asyncio
 import random
-from typing import Dict, Optional, Set, Tuple
+from typing import Any, Dict, Optional, Set, Tuple
 
 from .app import App
 from .events import users
@@ -18,6 +18,7 @@ class Backend:
         from . import config_files
         self.saved_accounts = config_files.Accounts(self)
         self.ui_settings    = config_files.UISettings(self)
+        self.ui_state       = config_files.UIState(self)
 
         self.clients: Dict[str, MatrixClient] = {}
 
@@ -92,7 +93,14 @@ class Backend:
 
     # General functions
 
+    async def load_settings(self) -> Tuple[Dict[str, Any], ...]:
+        return (await self.ui_settings.read(), await self.ui_state.read())
+
+
     async def request_user_update_event(self, user_id: str) -> None:
+        if not self.clients:
+            return
+
         client = self.clients.get(
             user_id,
             random.choice(tuple(self.clients.values()))

src/python/config_files.py

@@ -18,7 +18,7 @@ WRITE_LOCK = asyncio.Lock()
 
 @dataclass
 class ConfigFile:
-    backend:      Backend = field()
+    backend:      Backend = field(repr=False)
     filename:     str     = field()
     use_data_dir: bool    = False
 

src/python/events/users.py

@@ -26,11 +26,9 @@ class AccountDeleted(Event):
 
 @dataclass
 class UserUpdated(Event):
-    user_id:        str = field()
-    display_name:   str = ""
-    avatar_url:     str = ""
-    status_message: str = ""
-
+    user_id:      str  = field()
+    display_name: str  = ""
+    avatar_url:   str  = ""
 
     @classmethod
     def from_nio(cls, user: MatrixUser) -> "UserUpdated":

src/python/matrix_client.py

@@ -131,7 +131,6 @@ class MatrixClient(nio.AsyncClient):
     async def request_user_update_event(self, user_id: str) -> None:
         if user_id in self.backend.pending_profile_requests:
             return
-        print("Requesting profile for", user_id)
         self.backend.pending_profile_requests.add(user_id)
 
         response = await self.get_profile(user_id)
@@ -143,7 +142,6 @@ class MatrixClient(nio.AsyncClient):
             user_id        = user_id,
             display_name   = getattr(response, "displayname", "") or "",
             avatar_url     = getattr(response, "avatar_url", "") or "",
-            status_message = "",  # TODO
         )
 
         self.backend.pending_profile_requests.discard(user_id)

src/qml/Base/HBusyIndicator.qml

@@ -0,0 +1,4 @@
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+
+BusyIndicator {}

src/qml/EventHandlers/users.js

@@ -11,8 +11,8 @@ function onAccountDeleted(userId) {
     accounts.popWhere({userId}, 1)
 }
 
-function onUserUpdated(userId, displayName, avatarUrl, statusMessage) {
-    users.upsert({userId}, {userId, displayName, avatarUrl, statusMessage})
+function onUserUpdated(userId, displayName, avatarUrl) {
+    users.upsert({userId}, {userId, displayName, avatarUrl, loading: false})
 }
 
 function onDeviceUpdated(userId, deviceId, ed25519Key, trust, displayName,

src/qml/LoadingScreen.qml

@@ -2,12 +2,12 @@
 // This file is part of harmonyqml, licensed under LGPLv3.
 
 import QtQuick 2.12
-import QtQuick.Controls 2.12
+import "Base"
 
 Rectangle {
     color: "lightgray"
 
-    BusyIndicator {
+    HBusyIndicator {
         anchors.centerIn: parent
     }
 }

src/qml/Models/Users.qml

@@ -18,9 +18,9 @@ HListModel {
 
         return {
             userId,
-            displayName:   "",
-            avatarUrl:     "",
-            statusMessage: "",
+            displayName: "",
+            avatarUrl:   "",
+            loading:     true,
         }
     }
 }

src/qml/Pages/EditAccount/EditAccount.qml

@@ -15,13 +15,17 @@ HPage {
 
     property string userId: ""
     readonly property var userInfo: users.find(userId)
+    readonly property bool ready: userInfo && ! userInfo.loading
 
     hideHeaderUnderHeight: avatarPreferredSize
-    headerLabel.text: qsTr("Account settings for %1")
-                      .arg(Utils.coloredNameHtml(userInfo.displayName, userId))
+    headerLabel.text:
+        qsTr("Account settings for %1").arg(
+            Utils.coloredNameHtml(userInfo ? userInfo.displayName : "", userId)
+        )
 
     HRectangle {
-        color: theme.box.background
+        color: ready ? theme.box.background : "transparent"
+        Behavior on color { HColorAnimation {} }
 
         Layout.alignment: Qt.AlignCenter
 
@@ -31,18 +35,9 @@ HPage {
 
         Layout.preferredHeight: childrenRect.height
 
-        Profile { width: parent.width }
+        Loader {
+            width: parent.width
+            source: ready ? "Profile.qml" : "../../Base/HBusyIndicator.qml"
+        }
     }
-
-    // HRectangle {
-        // color: theme.box.background
-        // radius: theme.box.radius
-        // ClientSettings { width: parent.width }
-    // }
-
-    // HRectangle {
-        // color: theme.box.background
-        // radius: theme.box.radius
-        // Devices { width: parent.width }
-    // }
 }

src/qml/Python.qml

@@ -33,9 +33,9 @@ Python {
         call("APP.call_client_coro", [accountId, name, uuid, args])
     }
 
-    function saveSettings(callback=null) {
+    function saveConfig(backend_attribute, data, callback=null) {
         if (! py.ready) { return }  // config not loaded yet
-        callCoro("ui_settings.write", [window.settings], callback)
+        callCoro(backend_attribute + ".write", [data], callback)
     }
 
     Component.onCompleted: {
@@ -51,8 +51,9 @@ Python {
             call("APP.is_debug_on", [Qt.application.arguments], on => {
                 window.debug = on
 
-                callCoro("ui_settings.read", [], settings => {
+                callCoro("load_settings", [], ([settings, uiState]) => {
                     window.settings = settings
+                    window.uiState  = uiState
 
                     callCoro("saved_accounts.any_saved", [], any => {
                         py.ready = true

src/qml/SidePane/AccountDelegate.qml

@@ -53,7 +53,7 @@ Column {
                     visible: false // TODO
 
                     id: statusEdit
-                    text: userInfo.statusMessage
+                    // text: userInfo.statusMessage
                     placeholderText: qsTr("Set status message")
                     font.pixelSize: theme.fontSize.small
                     background: null

src/qml/UI.qml

@@ -14,8 +14,8 @@ Item {
     Connections {
         target: py
         onWillLoadAccounts: will => {
-            pageStack.showPage(will ? "Default": "SignIn")
-            // if (will) { initialRoomTimer.start() }
+            if (! will) { pageStack.showPage("SignIn") }
+            pageStack.show(window.uiState.page)
         }
     }
 
@@ -60,33 +60,17 @@ Item {
             id: pageStack
             property bool isWide: width > theme.contentIsWideAbove
 
+            function show(componentUrl, properties={}) {
+                pageStack.replace(componentUrl, properties)
+            }
+
             function showPage(name, properties={}) {
-                pageStack.replace("Pages/" + name + ".qml", properties)
+                show("Pages/" + name + ".qml", properties)
             }
 
             function showRoom(userId, category, roomId) {
                 let info = rooms.getWhere({userId, roomId, category}, 1)[0]
-                pageStack.replace("Chat/Chat.qml", {"roomInfo": info})
-            }
-
-            Timer {
-                // TODO: remove this, debug
-                id: initialRoomTimer
-                interval: 4000
-                repeat: false
-                // onTriggered: pageStack.showRoom(
-                    // "@test_mary:matrix.org",
-                    // "Rooms",
-                    // "!TSXGsbBbdwsdylIOJZ:matrix.org"  // st
-                    // "!VDSsFIzQnXARSCVNxS:matrix.org"  // hs
-                    // "!XhxUcnVhVhUHkBZEIL:matrix.org"  // nc
-                    // "Invites",
-                    // "!xjqvLOGhMVutPXpAqi:matrix.org"
-                // )
-                onTriggered: pageStack.showPage(
-                    "EditAccount/EditAccount",
-                    {"userId": "@test_mary:matrix.org"}
-                )
+                show("Chat/Chat.qml", {"roomInfo": info})
             }
 
             onCurrentItemChanged: if (currentItem) {

src/qml/Window.qml

@@ -27,9 +27,12 @@ ApplicationWindow {
     property bool debug: false
     property bool ready: false
 
-    // Note: window.settingsChanged() must be called manually
+    // Note: settingsChanged(), uiStateChanged(), etc must be called manually
     property var settings: ({})
-    onSettingsChanged: py.saveSettings()
+    onSettingsChanged: py.saveConfig("ui_settings", settings)
+
+    property var uiState: ({})
+    onUiStateChanged: py.saveConfig("ui_state", uiState)
 
     Theme     { id: theme }
     Shortcuts { id: shortcuts}