dont show theme buttons for now

Add arrpc bridge_mod

CMakeLists.txt

@@ -44,6 +44,7 @@ set(discord-screenaudio_SRC
   src/streamdialog.cpp
   src/log.cpp
   src/userscript.cpp
+  src/centralwidget.cpp
   resources.qrc
 )
 

README.md

@@ -9,7 +9,7 @@ of [@edisionnano](https://github.com/edisionnano) and the
 
 Unlike a lot of other solutions, the audio here is directly fed into the
 screenshare and not passed to the user microphone
-([see explanation](#how-it-works)).
+([see explanation](#how-does-this-work)).
 
 ![Screenshot_20221211_185028](https://user-images.githubusercontent.com/48161361/206920213-58a8091a-d8f9-4bb7-ae3d-3f8581b84d24.png)
 
@@ -106,9 +106,11 @@ allowing access to "All system files" under the "Filesystem" section.
 ### Is there any way to add custom CSS / a theme?
 
 Yes, you can add all your styles into
-`~/.config/discord-screenaudio/userstyles.css`. But please note that due to
-QtWebEngine limitations concerning content security policies, you can't use any
-external files (like `@import` or `url()`).
+`~/.config/discord-screenaudio/userstyles.css` (or
+`~/.var/app/de.shorsh.discord-screenaudio/config/discord-screenaudio/userstyles.css`
+if you are using the Flatpak). But please note that due to QtWebEngine
+limitations concerning content security policies, you can't use any external
+files (like `@import` or `url()`).
 
 ## License
 

assets/bridge_mod.js

@@ -0,0 +1,65 @@
+setTimeout(e => {
+    let Dispatcher, lookupAsset, lookupApp, apps = {};
+
+    const ws = new WebSocket('ws://127.0.0.1:1337'); // connect to arRPC bridge websocket
+    ws.onmessage = async x => {
+        msg = JSON.parse(x.data);
+        console.log(msg);
+
+        if (!Dispatcher) {
+            const wpRequire = window.webpackChunkdiscord_app.push([[Symbol()], {}, x => x]);
+            const cache = wpRequire.c;
+            window.webpackChunkdiscord_app.pop();
+
+            for (const id in cache) {
+                let mod = cache[id].exports;
+                mod = mod && (mod.Z ?? mod.ZP);
+
+                if (mod && mod.register && mod.wait) {
+                    Dispatcher = mod;
+                    break;
+                }
+            }
+
+            const factories = wpRequire.m;
+            for (const id in factories) {
+                if (factories[id].toString().includes('getAssetImage: size must === [number, number] for Twitch')) {
+                    const mod = wpRequire(id);
+
+                    const _lookupAsset = Object.values(mod).find(e => typeof e === "function" && e.toString().includes("apply("));
+                    lookupAsset = async (appId, name) => (await _lookupAsset(appId, [name, undefined]))[0];
+
+                    break;
+                }
+            }
+
+            for (const id in factories) {
+                if (factories[id].toString().includes(`e.application={`)) {
+                    const mod = wpRequire(id);
+
+                    const _lookupApp = Object.values(mod).find(e => typeof e === "function" && e.toString().includes(`e.application={`));
+                    lookupApp = async appId => {
+                        let socket = {};
+                        await _lookupApp(socket, appId);
+                        return socket.application;
+                    };
+
+                    break;
+                }
+            }
+        }
+
+        if (msg.activity?.assets?.large_image) msg.activity.assets.large_image = await lookupAsset(msg.activity.application_id, msg.activity.assets.large_image);
+        if (msg.activity?.assets?.small_image) msg.activity.assets.small_image = await lookupAsset(msg.activity.application_id, msg.activity.assets.small_image);
+
+        if (msg.activity) {
+            const appId = msg.activity.application_id;
+            if (!apps[appId]) apps[appId] = await lookupApp(appId);
+
+            const app = apps[appId];
+            if (!msg.activity.name) msg.activity.name = app.name;
+        }
+
+        Dispatcher.dispatch({ type: "LOCAL_ACTIVITY_UPDATE", ...msg }); // set RPC status
+    };
+}, 10000)

assets/userscript.js

@@ -139,10 +139,12 @@ setTimeout(() => {
 
 function main() {
   userscript.muteToggled.connect(() => {
+    console.log("Toggling mute");
     muteBtn && muteBtn.click();
   });
 
   userscript.deafenToggled.connect(() => {
+    console.log("Toggling deafen");
     deafenBtn && deafenBtn.click();
   });
 
@@ -157,6 +159,25 @@ function main() {
     streamStartBtnClone.remove();
   });
 
+  function updateUserstyles() {
+    userscript.log("Loading userstyles...");
+    userscript.loadingMessage = "Loading userstyles...";
+    let stylesheet = document.getElementById("discordScreenaudioUserstyles");
+    if (stylesheet) {
+      userscript.log("Removing old userstyles...");
+      stylesheet.remove();
+    }
+    stylesheet = document.createElement("style");
+    stylesheet.id = "discordScreenaudioUserstyles";
+    stylesheet.innerText = userscript.userstyles;
+    document.head.appendChild(stylesheet);
+    userscript.log("Finished loading userstyles");
+    userscript.loadingMessage = "";
+  }
+
+  userscript.userstylesChanged.connect(updateUserstyles);
+  setTimeout(() => updateUserstyles());
+
   setInterval(async () => {
     const streamActive =
       document.getElementsByClassName("panel-2ZFCRb activityPanel-9icbyU")
@@ -266,15 +287,11 @@ function main() {
     }
 
     muteBtn = buttonContainer
-      ? buttonContainer.getElementsByClassName(
-          "button-12Fmur enabled-9OeuTA button-f2h6uQ lookBlank-21BCro colorBrand-I6CyqQ grow-2sR_-F"
-        )[0]
+      ? buttonContainer.getElementsByTagName("button")[0]
       : null;
 
     deafenBtn = buttonContainer
-      ? buttonContainer.getElementsByClassName(
-          "button-12Fmur enabled-9OeuTA button-f2h6uQ lookBlank-21BCro colorBrand-I6CyqQ grow-2sR_-F"
-        )[1]
+      ? buttonContainer.getElementsByTagName("button")[1]
       : null;
 
     if (resolutionString) {
@@ -311,6 +328,18 @@ function main() {
             })
           );
 
+          // section.appendChild(
+          //   createButton("Install Theme", () => {
+          //     userscript.showThemeDialog();
+          //   })
+          // );
+
+          // section.appendChild(
+          //   createButton("Uninstall Theme", () => {
+          //     userscript.installUserStyles("");
+          //   })
+          // );
+
           section.appendChild(
             createSwitch(
               "Move discord-screenaudio to the system tray instead of closing",

resources.qrc

@@ -2,6 +2,7 @@
 <RCC>
   <qresource>
     <file>assets/userscript.js</file>
+    <file>assets/bridge_mod.js</file>
     <file>assets/de.shorsh.discord-screenaudio.png</file>
   </qresource>
 </RCC>

src/centralwidget.cpp

@@ -0,0 +1,84 @@
+#include "centralwidget.h"
+#include "discordpage.h"
+#include "mainwindow.h"
+
+#include <QWebEngineNotification>
+#include <QWebEngineProfile>
+#include <QWebEngineScript>
+#include <QWebEngineScriptCollection>
+#include <QWebEngineSettings>
+
+CentralWidget::CentralWidget(QWidget *parent) : QWidget(parent) {
+  setStyleSheet("background-color:#313338;");
+  m_layout = new QVBoxLayout(this);
+  m_layout->setMargin(0);
+  m_layout->setSpacing(0);
+  setupWebView();
+}
+
+void CentralWidget::setupWebView() {
+  auto page = new DiscordPage(this);
+
+  m_webView = new QWebEngineView(this);
+  m_webView->setPage(page);
+
+  bool useNotifySend = MainWindow::instance()
+                           ->settings()
+                           ->value("useNotifySend", false)
+                           .toBool();
+  if (m_useKF5Notifications || useNotifySend)
+    QWebEngineProfile::defaultProfile()->setNotificationPresenter(
+        [&](std::unique_ptr<QWebEngineNotification> notificationInfo) {
+          if (useNotifySend) {
+            auto title = notificationInfo->title();
+            auto message = notificationInfo->message();
+            auto image_path =
+                QString("/tmp/discord-screenaudio-%1.png").arg(title);
+            notificationInfo->icon().save(image_path);
+            QProcess::execute("notify-send",
+                              {"--icon", image_path, "--app-name",
+                               "discord-screenaudio", title, message});
+          } else if (m_useKF5Notifications) {
+#ifdef KNOTIFICATIONS
+            KNotification *notification =
+                new KNotification("discordNotification");
+            notification->setTitle(notificationInfo->title());
+            notification->setText(notificationInfo->message());
+            notification->setPixmap(
+                QPixmap::fromImage(notificationInfo->icon()));
+            notification->setDefaultAction("View");
+            connect(notification, &KNotification::defaultActivated,
+                    [&, notificationInfo = std::move(notificationInfo)]() {
+                      notificationInfo->click();
+                      show();
+                      activateWindow();
+                    });
+            notification->sendEvent();
+#endif
+          }
+        });
+
+  connect(page->userScript(), &UserScript::loadingMessageChanged, this,
+          &CentralWidget::setLoadingIndicator);
+
+  m_layout->addWidget(m_webView);
+}
+
+void CentralWidget::setLoadingIndicator(QString text) {
+  if (text != "") {
+    if (m_loadingLabel == nullptr) {
+      m_loadingLabel = new QLabel(this);
+      m_loadingLabel->setMaximumHeight(20);
+      m_loadingLabel->setAlignment(Qt::AlignHCenter);
+      m_loadingLabel->setStyleSheet("color:#dedede;");
+      m_layout->addWidget(m_loadingLabel);
+    }
+    m_loadingLabel->setText(text.mid(0, 100));
+  } else {
+    if (m_loadingLabel != nullptr) {
+      m_layout->removeWidget(m_loadingLabel);
+      m_loadingLabel->deleteLater();
+      m_loadingLabel = nullptr;
+    }
+  }
+}

src/centralwidget.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <QLabel>
+#include <QVBoxLayout>
+#include <QWebEnginePage>
+#include <QWebEngineProfile>
+#include <QWebEngineView>
+#include <QWidget>
+
+class CentralWidget : public QWidget {
+  Q_OBJECT
+
+public:
+  CentralWidget(QWidget *parent = nullptr);
+
+private:
+  void setupWebView();
+  QVBoxLayout *m_layout;
+  QWebEngineView *m_webView;
+#ifdef KNOTIFICATIONS
+  bool m_useKF5Notifications = true;
+#else
+  bool m_useKF5Notifications = false;
+#endif
+  QLabel *m_loadingLabel = nullptr;
+
+public Q_SLOTS:
+  void setLoadingIndicator(QString text);
+};

src/discordpage.cpp

@@ -16,10 +16,12 @@
 #include <QWebEngineSettings>
 
 DiscordPage::DiscordPage(QWidget *parent) : QWebEnginePage(parent) {
-  setBackgroundColor(QColor("#202225"));
+  setBackgroundColor(QColor("#313338"));
 
   connect(this, &QWebEnginePage::featurePermissionRequested, this,
           &DiscordPage::featurePermissionRequested);
+  connect(this, &DiscordPage::fullScreenRequested, MainWindow::instance(),
+          &MainWindow::fullScreenRequested);
 
   setupPermissions();
 
@@ -33,6 +35,9 @@ DiscordPage::DiscordPage(QWidget *parent) : QWebEnginePage(parent) {
 
   injectFile(&DiscordPage::injectScript, "userscript.js",
              ":/assets/userscript.js");
+             
+  injectFile(&DiscordPage::injectScript, "bridge_mod.js",
+             ":/assets/bridge_mod.js");
 
   setupUserStyles();
 }
@@ -52,13 +57,79 @@ void DiscordPage::setupPermissions() {
 }
 
 void DiscordPage::setupUserStyles() {
-  QString file =
-      QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation) +
-      "/userstyles.css";
-  if (QFileInfo(file).exists()) {
-    qDebug(mainLog) << "Found userstyles:" << file;
-    injectFile(&DiscordPage::injectStylesheet, "userstyles.js", file);
+  qDebug(userstylesLog).noquote()
+      << "Looking for userstyles in" << m_configLocation.absolutePath();
+  m_userStylesFile =
+      new QFile(m_configLocation.absoluteFilePath("userstyles.css"));
+  if (m_userStylesFile->exists()) {
+    qDebug(userstylesLog).noquote()
+        << "Found userstyles:" << m_userStylesFile->fileName();
+    m_userStylesFile->open(QIODevice::ReadOnly);
+    m_userStylesContent = m_userStylesFile->readAll();
+    m_userStylesFile->close();
+    fetchUserStyles();
   }
+  connect(&m_userScript, &UserScript::shouldInstallUserStyles, this,
+          &DiscordPage::getUserStyles);
+}
+
+const QRegularExpression importRegex(
+    R"r(@import (?:url\(|)['"]{0,1}(?!.*usrbgs?\.css)([^'"]+?)['"]{0,1}(?:|\));)r");
+const QRegularExpression urlRegex(
+    R"r(url\(['"]{0,1}((?!https:\/\/fonts.gstatic.com)(?!data:)(?!.*\.woff2)(?!.*\.ttf)[^'"]+?)['"]{0,1}\))r");
+
+void DiscordPage::fetchUserStyles() {
+  m_userScript.setProperty(
+      "loadingMessage", "Loading userstyles: Fetching additional resources...");
+  bool foundImport = true;
+  auto match = importRegex.match(m_userStylesContent);
+  if (!match.hasMatch()) {
+    foundImport = false;
+    match = urlRegex.match(m_userStylesContent);
+  }
+  if (match.hasMatch()) {
+    auto url = match.captured(1);
+    qDebug(userstylesLog) << "Fetching" << url;
+    m_userScript.setProperty(
+        "loadingMessage",
+        QString("Loading userstyles: Fetching %1...").arg(url));
+    QNetworkRequest request(url);
+    auto reply = m_networkAccessManager.get(request);
+    connect(reply, &QNetworkReply::finished, [=]() {
+      QByteArray content = "";
+      if (reply->error() == QNetworkReply::NoError) {
+        if (!reply->attribute(QNetworkRequest::RedirectionTargetAttribute)
+                 .isNull())
+          content =
+              reply->attribute(QNetworkRequest::RedirectionTargetAttribute)
+                  .toByteArray();
+        else
+          content = reply->readAll();
+      } else
+        qDebug(userstylesLog) << reply->errorString().toUtf8().constData();
+      reply->deleteLater();
+      m_userStylesContent = m_userStylesContent.replace(
+          match.captured(0), foundImport
+                                 ? content
+                                 : "url(data:application/octet-stream;base64," +
+                                       content.toBase64() + ")");
+      fetchUserStyles();
+    });
+    return;
+  }
+  qDebug(userstylesLog) << "Injecting userstyles";
+  m_userScript.setProperty("userstyles", m_userStylesContent);
+  m_userScript.setProperty("loadingMessage", "");
+  if (!m_configLocation.exists())
+    m_configLocation.mkpath(".");
+  m_userStylesFile->open(QIODevice::WriteOnly);
+  m_userStylesFile->write(m_userStylesContent.toUtf8());
+  m_userStylesFile->close();
+}
+
+void DiscordPage::getUserStyles(QString url) {
+  m_userStylesContent = url == "" ? "" : QString("@import url(%1);").arg(url);
+  fetchUserStyles();
 }
 
 void DiscordPage::injectScript(
@@ -83,7 +154,6 @@ void DiscordPage::injectScript(QString name, QString content) {
 
 void DiscordPage::injectStylesheet(QString name, QString content) {
   auto script = QString(R"(const stylesheet = document.createElement("style");
-stylesheet.type = "text/css";
 stylesheet.id = "%1";
 stylesheet.innerText = `%2`;
 document.head.appendChild(stylesheet);
@@ -192,11 +262,15 @@ void DiscordPage::javaScriptConsoleMessage(
     QWebEnginePage::JavaScriptConsoleMessageLevel level, const QString &message,
     int lineNumber, const QString &sourceID) {
   auto colorSegments = message.split("%c");
+  if (colorSegments[0] != "") {
+    for (auto line : colorSegments[0].split("\n"))
+      qDebug(discordLog) << line.toUtf8().constData();
+  }
   for (auto segment : colorSegments.mid(1)) {
     auto lines = segment.split("\n");
     QString ansi;
     uint endOfStyles = lines.length();
-    for (size_t line = 1; line < lines.length(); line++) {
+    for (auto line = 1; line < lines.length(); line++) {
       if (!lines[line].endsWith(";")) {
         endOfStyles = line;
         break;
@@ -218,3 +292,5 @@ void DiscordPage::javaScriptConsoleMessage(
     }
   }
 }
+
+UserScript *DiscordPage::userScript() { return &m_userScript; }

src/discordpage.h

@@ -2,6 +2,10 @@
 
 #include "userscript.h"
 
+#include <QDir>
+#include <QFile>
+#include <QNetworkAccessManager>
+#include <QStandardPaths>
 #include <QWebEngineFullScreenRequest>
 #include <QWebEnginePage>
 #include <QWebEngineScript>
@@ -11,11 +15,18 @@ class DiscordPage : public QWebEnginePage {
 
 public:
   explicit DiscordPage(QWidget *parent = nullptr);
+  UserScript *userScript();
 
 private:
   UserScript m_userScript;
+  QFile *m_userStylesFile;
+  QString m_userStylesContent;
+  QNetworkAccessManager m_networkAccessManager;
+  const QDir m_configLocation =
+      QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
   void setupPermissions();
   void setupUserStyles();
+  void fetchUserStyles();
   bool acceptNavigationRequest(const QUrl &url,
                                QWebEnginePage::NavigationType type,
                                bool isMainFrame) override;
@@ -34,6 +45,9 @@ private:
 private Q_SLOTS:
   void featurePermissionRequested(const QUrl &securityOrigin,
                                   QWebEnginePage::Feature feature);
+
+public Q_SLOTS:
+  void getUserStyles(QString url);
 };
 
 // Will immediately get destroyed again but is needed for navigation to

src/log.cpp

@@ -5,3 +5,4 @@ Q_LOGGING_CATEGORY(discordLog, "discord");
 Q_LOGGING_CATEGORY(userscriptLog, "userscript");
 Q_LOGGING_CATEGORY(virtmicLog, "virtmic");
 Q_LOGGING_CATEGORY(shortcutLog, "shortcut");
+Q_LOGGING_CATEGORY(userstylesLog, "userstyles");

src/log.h

@@ -7,3 +7,4 @@ Q_DECLARE_LOGGING_CATEGORY(discordLog);
 Q_DECLARE_LOGGING_CATEGORY(userscriptLog);
 Q_DECLARE_LOGGING_CATEGORY(virtmicLog);
 Q_DECLARE_LOGGING_CATEGORY(shortcutLog);
+Q_DECLARE_LOGGING_CATEGORY(userstylesLog);

src/mainwindow.cpp

@@ -16,11 +16,7 @@
 #include <QThread>
 #include <QTimer>
 #include <QUrl>
-#include <QWebEngineNotification>
-#include <QWebEngineProfile>
-#include <QWebEngineScript>
-#include <QWebEngineScriptCollection>
-#include <QWebEngineSettings>
+#include <QWebEngineFullScreenRequest>
 #include <QWidget>
 
 MainWindow *MainWindow::m_instance = nullptr;
@@ -29,12 +25,17 @@ MainWindow::MainWindow(bool useNotifySend, QWidget *parent)
     : QMainWindow(parent) {
   assert(MainWindow::m_instance == nullptr);
   MainWindow::m_instance = this;
-  m_useNotifySend = useNotifySend;
   setupSettings();
-  setupWebView();
+  m_settings->setValue("useNotifySend", useNotifySend);
+  m_centralWidget = new CentralWidget(this);
+  setCentralWidget(m_centralWidget);
   setupTrayIcon();
-  resize(1000, 700);
-  showMaximized();
+  if (m_settings->contains("geometry")) {
+    restoreGeometry(m_settings->value("geometry").toByteArray());
+  } else {
+    resize(1000, 700);
+    showMaximized();
+  }
   if (m_settings->value("trayIcon", false).toBool() &&
       m_settings->value("startHidden", false).toBool()) {
     hide();
@@ -42,49 +43,6 @@ MainWindow::MainWindow(bool useNotifySend, QWidget *parent)
   }
 }
 
-void MainWindow::setupWebView() {
-  auto page = new DiscordPage(this);
-  connect(page, &QWebEnginePage::fullScreenRequested, this,
-          &MainWindow::fullScreenRequested);
-
-  m_webView = new QWebEngineView(this);
-  m_webView->setPage(page);
-
-  if (m_useKF5Notifications || m_useNotifySend)
-    QWebEngineProfile::defaultProfile()->setNotificationPresenter(
-        [&](std::unique_ptr<QWebEngineNotification> notificationInfo) {
-          if (m_useNotifySend) {
-            auto title = notificationInfo->title();
-            auto message = notificationInfo->message();
-            auto image_path =
-                QString("/tmp/discord-screenaudio-%1.png").arg(title);
-            notificationInfo->icon().save(image_path);
-            QProcess::execute("notify-send",
-                              {"--icon", image_path, "--app-name",
-                               "discord-screenaudio", title, message});
-          } else if (m_useKF5Notifications) {
-#ifdef KNOTIFICATIONS
-            KNotification *notification =
-                new KNotification("discordNotification");
-            notification->setTitle(notificationInfo->title());
-            notification->setText(notificationInfo->message());
-            notification->setPixmap(
-                QPixmap::fromImage(notificationInfo->icon()));
-            notification->setDefaultAction("View");
-            connect(notification, &KNotification::defaultActivated,
-                    [&, notificationInfo = std::move(notificationInfo)]() {
-                      notificationInfo->click();
-                      show();
-                      activateWindow();
-                    });
-            notification->sendEvent();
-#endif
-          }
-        });
-
-  setCentralWidget(m_webView);
-}
-
 void MainWindow::fullScreenRequested(
     QWebEngineFullScreenRequest fullScreenRequest) {
   fullScreenRequest.accept();
@@ -160,8 +118,14 @@ void MainWindow::setTrayIcon(bool enabled) {
 void MainWindow::closeEvent(QCloseEvent *event) {
   if (m_settings->value("trayIcon", false).toBool()) {
     hide();
-  } else
+  } else {
+    m_settings->setValue("geometry", saveGeometry());
     QApplication::quit();
+  }
 }
 
 MainWindow *MainWindow::instance() { return m_instance; }
+
+CentralWidget *MainWindow::centralWidget() {
+  return instance()->m_centralWidget;
+};

src/mainwindow.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "discordpage.h"
+#include "centralwidget.h"
 
 #include <QMainWindow>
 #include <QMenu>
@@ -8,10 +8,8 @@
 #include <QSettings>
 #include <QString>
 #include <QSystemTrayIcon>
+#include <QVBoxLayout>
 #include <QVector>
-#include <QWebEnginePage>
-#include <QWebEngineProfile>
-#include <QWebEngineView>
 
 class MainWindow : public QMainWindow {
   Q_OBJECT
@@ -20,31 +18,22 @@ public:
   explicit MainWindow(bool useNotifySend = false, QWidget *parent = nullptr);
   static MainWindow *instance();
   QSettings *settings() const;
+  static CentralWidget *centralWidget();
 
 private:
-  void setupWebView();
   void setupTrayIcon();
   void cleanTrayIcon();
   void setupSettings();
-  QWebEngineView *m_webView;
   QWebEngineProfile *prepareProfile();
-  DiscordPage *m_discordPage;
   void closeEvent(QCloseEvent *event) override;
   QSystemTrayIcon *m_trayIcon = nullptr;
   QMenu *m_trayIconMenu;
   QSettings *m_settings;
   bool m_wasMaximized;
   static MainWindow *m_instance;
-  bool m_useNotifySend;
-#ifdef KNOTIFICATIONS
-  bool m_useKF5Notifications = true;
-#else
-  bool m_useKF5Notifications = false;
-#endif
+  CentralWidget *m_centralWidget;
 
 public Q_SLOTS:
   void setTrayIcon(bool enabled);
-
-private Q_SLOTS:
   void fullScreenRequested(QWebEngineFullScreenRequest fullScreenRequest);
 };

src/userscript.cpp

@@ -4,6 +4,10 @@
 
 #include <QApplication>
 #include <QDebug>
+#include <QFile>
+#include <QInputDialog>
+#include <QMessageBox>
+#include <QStandardPaths>
 #include <QTimer>
 
 #ifdef KXMLGUI
@@ -58,7 +62,7 @@ void UserScript::setupShortcutsDialog() {
   auto toggleDeafenAction = new QAction(this);
   toggleDeafenAction->setText("Toggle Deafen");
   toggleDeafenAction->setIcon(QIcon::fromTheme("audio-volume-muted"));
-  connect(toggleMuteAction, &QAction::triggered, this,
+  connect(toggleDeafenAction, &QAction::triggered, this,
           &UserScript::deafenToggled);
 
   m_actionCollection = new KActionCollection(this);
@@ -162,4 +166,15 @@ void UserScript::showStreamDialog() {
   else
     m_streamDialog->activateWindow();
   m_streamDialog->updateTargets();
-}
+}
+
+void UserScript::showThemeDialog() {
+  auto url = QInputDialog::getText(MainWindow::instance(), "Theme Installation",
+                                   "Please enter the URL of the Theme");
+  if (url != "")
+    emit shouldInstallUserStyles(url);
+}
+
+void UserScript::installUserStyles(QString url) {
+  emit shouldInstallUserStyles(url);
+}

src/userscript.h

@@ -18,6 +18,10 @@
 
 #endif
 
+#ifdef KNOTIFICATIONS
+#include <KNotification>
+#endif
+
 class UserScript : public QObject {
   Q_OBJECT
 
@@ -27,12 +31,17 @@ public:
   Q_PROPERTY(QString version READ version CONSTANT);
   Q_PROPERTY(bool kxmlgui MEMBER m_kxmlgui CONSTANT);
   Q_PROPERTY(bool kglobalaccel MEMBER m_kglobalaccel CONSTANT);
+  Q_PROPERTY(QString userstyles MEMBER m_userstyles NOTIFY userstylesChanged);
+  Q_PROPERTY(QString loadingMessage MEMBER m_loadingMessage NOTIFY
+                 loadingMessageChanged);
 
 private:
   QProcess m_virtmicProcess;
   StreamDialog *m_streamDialog;
   bool m_kxmlgui = false;
   bool m_kglobalaccel = false;
+  QString m_userstyles;
+  QString m_loadingMessage;
 #ifdef KXMLGUI
   KHelpMenu *m_helpMenu;
 #ifdef KGLOBALACCEL
@@ -49,6 +58,9 @@ Q_SIGNALS:
   void muteToggled();
   void deafenToggled();
   void streamStarted(bool video, int width, int height, int frameRate);
+  void userstylesChanged();
+  void loadingMessageChanged(QString message);
+  void shouldInstallUserStyles(QString url);
 
 public Q_SLOTS:
   void log(QString message);
@@ -62,6 +74,8 @@ public Q_SLOTS:
   void showStreamDialog();
   void stopVirtmic();
   void startVirtmic(QString target);
+  void showThemeDialog();
+  void installUserStyles(QString url);
 
 private Q_SLOTS:
   void startStream(bool video, bool audio, int width, int height, int frameRate,