Add installation effects and draggable progress bar

Introduces animated installation effects overlay and makes the progress bar draggable. Adds maximize window support, improves window controls styling, and enforces a single app instance. Removes the unused Skins page and related translations. Refines  various UI details for a more polished user experience.

GUI/index.html

@@ -51,11 +51,7 @@
                     <i class="fas fa-cog"></i>
                     <span class="nav-tooltip" data-i18n="nav.settings">Settings</span>
                 </div>
-                <div class="nav-item" data-page="skins">
+                <div class="nav-item logs-nav-item" data-page="logs" id="openLogsBtn" onclick="openLogs()">
-                    <i class="fas fa-user"></i>
-                    <span class="nav-tooltip" data-i18n="nav.skins">Skins</span>
-                </div>
-                <div class="nav-item" data-page="logs" id="openLogsBtn" onclick="openLogs()">
                     <i class="fas fa-terminal"></i>
                     <span class="nav-tooltip">Logs</span>
                 </div>
@@ -94,6 +90,9 @@
                     <button class="control-btn minimize" onclick="window.electronAPI?.minimizeWindow()">
                         <i class="fas fa-minus"></i>
                     </button>
+                    <button class="control-btn maximize" onclick="toggleMaximize()">
+                        <i class="fas fa-square"></i>
+                    </button>
                     <button class="control-btn close" onclick="window.electronAPI?.closeWindow()">
                         <i class="fas fa-times"></i>
                     </button>
@@ -104,9 +103,6 @@
                 <h1 class="game-title">
                     HY<span class="title-accent">TALE</span>
                 </h1>
-                <div class="game-tags">
-                    <span class="tag" data-i18n="header.f2p">FREE TO PLAY</span>
-                </div>
             </div>
 
             <div class="content-pages">
@@ -114,7 +110,7 @@
                     <div class="install-content">
                         <div class="install-header">
                             <h1 class="install-title">
-                                HYTA<span class="title-accent">LE</span>
+                                HY<span class="title-accent">TALE</span>
                             </h1>
                             <p class="install-subtitle" data-i18n="install.title">FREE TO PLAY LAUNCHER</p>
                         </div>
@@ -462,14 +458,6 @@
                         </div>
                     </div>
 
-                    <div id="skins-page" class="page">
-                        <div class="placeholder-content">
-                            <i class="fas fa-user text-6xl mb-4 text-purple-500"></i>
-                            <h2 data-i18n="skins.title">Skins</h2>
-                            <p data-i18n="skins.comingSoon">Skin customization coming soon...</p>
-                        </div>
-                    </div>
-
                     <div id="logs-page" class="page">
                         <div class="logs-container">
                             <div class="logs-header">
@@ -532,6 +520,20 @@
         </div>
     </div>
 
+    <!-- Installation effects overlay -->
+    <div id="installationEffects" class="installation-effects" style="display: none;">
+        <div class="space-effects">
+            <div class="warp-line"></div>
+            <div class="warp-line"></div>
+            <div class="warp-line"></div>
+            <div class="warp-line"></div>
+            <div class="warp-line"></div>
+            <div class="warp-line"></div>
+            <div class="warp-line"></div>
+            <div class="warp-line"></div>
+        </div>
+    </div>
+
     <div id="chatUsernameModal" class="chat-username-modal" style="display: none;">
         <div class="chat-username-modal-content">
             <div class="chat-username-modal-header">

GUI/js/install.js

@@ -39,6 +39,19 @@ export function setupInstallation() {
       }
     });
   }
+
+  // Setup installation effects listeners
+  if (window.electronAPI && window.electronAPI.onInstallationStart) {
+    window.electronAPI.onInstallationStart(() => {
+      showInstallationEffects();
+    });
+  }
+
+  if (window.electronAPI && window.electronAPI.onInstallationEnd) {
+    window.electronAPI.onInstallationEnd(() => {
+      hideInstallationEffects();
+    });
+  }
 }
 
 export async function installGame() {
@@ -78,12 +91,19 @@ export async function installGame() {
     }
   } catch (error) {
     const errorMsg = window.i18n ? window.i18n.t('progress.installationFailed').replace('{error}', error.message) : `Installation failed: ${error.message}`;
+    
+    // Hide installation effects on error
+    if (window.hideInstallationEffects) {
+      window.hideInstallationEffects();
+    }
+    
+    // Reset button state on error
+    resetInstallButton();
+    
     if (window.LauncherUI) {
       window.LauncherUI.updateProgress({ message: errorMsg });
-      setTimeout(() => {
+      // Don't hide progress bar, just update the message
-        window.LauncherUI.hideProgress();
+      // User can see the error and close it manually
-        resetInstallButton();
-      }, 3000);
     }
   }
 }

GUI/js/ui.js

@@ -479,6 +479,9 @@ function setupUI() {
   progressSpeed = document.getElementById('progressSpeed');
   progressSize = document.getElementById('progressSize');
 
+  // Setup draggable progress bar
+  setupProgressDrag();
+
   lockPlayButton(true);
 
   setTimeout(() => {
@@ -510,4 +513,91 @@ window.LauncherUI = {
   updateProgress
 };
 
+// Make installation effects globally available
+window.showInstallationEffects = showInstallationEffects;
+window.hideInstallationEffects = hideInstallationEffects;
+
+// Draggable progress bar functionality
+function setupProgressDrag() {
+  if (!progressOverlay) return;
+
+  let isDragging = false;
+  let offsetX;
+  let offsetY;
+
+  progressOverlay.addEventListener('mousedown', dragStart);
+  document.addEventListener('mousemove', drag);
+  document.addEventListener('mouseup', dragEnd);
+
+  function dragStart(e) {
+    // Only drag if clicking on the overlay itself, not on buttons or inputs
+    if (e.target.closest('.progress-bar-fill')) return;
+    
+    if (e.target === progressOverlay || e.target.closest('.progress-content')) {
+      isDragging = true;
+      progressOverlay.classList.add('dragging');
+      
+      // Get the current position of the progress overlay
+      const rect = progressOverlay.getBoundingClientRect();
+      offsetX = e.clientX - rect.left - progressOverlay.offsetWidth / 2;
+      offsetY = e.clientY - rect.top;
+    }
+  }
+
+  function drag(e) {
+    if (isDragging) {
+      e.preventDefault();
+      
+      // Calculate new position
+      const newX = e.clientX - offsetX - progressOverlay.offsetWidth / 2;
+      const newY = e.clientY - offsetY;
+
+      // Get window bounds
+      const maxX = window.innerWidth - progressOverlay.offsetWidth;
+      const maxY = window.innerHeight - progressOverlay.offsetHeight;
+      const minX = 0;
+      const minY = 0;
+
+      // Constrain to window bounds
+      const constrainedX = Math.max(minX, Math.min(newX, maxX));
+      const constrainedY = Math.max(minY, Math.min(newY, maxY));
+
+      progressOverlay.style.left = constrainedX + 'px';
+      progressOverlay.style.bottom = 'auto';
+      progressOverlay.style.top = constrainedY + 'px';
+      progressOverlay.style.transform = 'none';
+    }
+  }
+
+  function dragEnd() {
+    isDragging = false;
+    progressOverlay.classList.remove('dragging');
+  }
+}
+
+// Show/hide installation effects
+function showInstallationEffects() {
+  const installationEffects = document.getElementById('installationEffects');
+  if (installationEffects) {
+    installationEffects.style.display = 'block';
+  }
+}
+
+function hideInstallationEffects() {
+  const installationEffects = document.getElementById('installationEffects');
+  if (installationEffects) {
+    installationEffects.style.display = 'none';
+  }
+}
+
+// Toggle maximize/restore window function
+function toggleMaximize() {
+  if (window.electronAPI && window.electronAPI.maximizeWindow) {
+    window.electronAPI.maximizeWindow();
+  }
+}
+
+// Make toggleMaximize globally available
+window.toggleMaximize = toggleMaximize;
+
 document.addEventListener('DOMContentLoaded', setupUI);

GUI/locales/en.json

@@ -4,14 +4,12 @@
     "mods": "Mods",
     "news": "News",
     "chat": "Players Chat",
-    "settings": "Settings",
+    "settings": "Settings"
-    "skins": "Skins"
   },
   "header": {
     "playersLabel": "Players:",
     "manageProfiles": "Manage Profiles",
-    "defaultProfile": "Default",
+    "defaultProfile": "Default"
-    "f2p": "FREE TO PLAY"
   },
   "install": {
     "title": "FREE TO PLAY LAUNCHER",
@@ -148,10 +146,6 @@
     "notificationText": "Join our Discord community!",
     "joinButton": "Join Discord"
   },
-  "skins": {
-    "title": "Skins",
-    "comingSoon": "Skin customization coming soon..."
-  },
   "common": {
     "confirm": "Confirm",
     "cancel": "Cancel",

GUI/locales/es.json

@@ -4,14 +4,12 @@
     "mods": "Mods",
     "news": "Noticias",
     "chat": "Chat de Jugadores",
-    "settings": "Configuración",
+    "settings": "Configuración"
-    "skins": "Aspectos"
   },
   "header": {
     "playersLabel": "Jugadores:",
     "manageProfiles": "Gestionar Perfiles",
-    "defaultProfile": "Predeterminado",
+    "defaultProfile": "Predeterminado"
-    "f2p": "FREE TO PLAY"
   },
   "install": {
     "title": "LAUNCHER GRATUITO",
@@ -148,10 +146,6 @@
     "notificationText": "¡Únete a nuestra comunidad de Discord!",
     "joinButton": "Unirse a Discord"
   },
-  "skins": {
-    "title": "Aspectos",
-    "comingSoon": "Personalización de aspectos próximamente..."
-  },
   "common": {
     "confirm": "Confirmar",
     "cancel": "Cancelar",

GUI/locales/pt-BR.json

@@ -4,14 +4,12 @@
     "mods": "Mods",
     "news": "Notícias",
     "chat": "Chat de Jogadores",
-    "settings": "Configurações",
+    "settings": "Configurações"
-    "skins": "Aparências"
   },
   "header": {
     "playersLabel": "Jogadores:",
     "manageProfiles": "Gerenciar Perfis",
-    "defaultProfile": "Padrão",
+    "defaultProfile": "Padrão"
-    "f2p": "FREE TO PLAY"
   },
   "install": {
     "title": "LANÇADOR JOGO GRATUITO",
@@ -148,10 +146,7 @@
     "notificationText": "Junte-se à nossa comunidade do Discord!",
     "joinButton": "Entrar no Discord"
   },
-  "skins": {
+
-    "title": "Aparências",
-    "comingSoon": "Personalização de aparências em breve..."
-  },
   "common": {
     "confirm": "Confirmar",
     "cancel": "Cancelar",

GUI/style.css

@@ -26,7 +26,7 @@ body {
     backdrop-filter: blur(20px);
     border-right: 1px solid rgba(255, 255, 255, 0.1);
     position: relative;
-    z-index: 20;
+    z-index: 45;
 }
 
 .sidebar-logo {
@@ -109,6 +109,12 @@ body {
     transform: scale(1.1);
 }
 
+/* Allow logs navigation during installation */
+.logs-nav-item {
+    z-index: 100;
+    position: relative;
+}
+
 .nav-tooltip {
     position: absolute;
     left: 100%;
@@ -374,10 +380,10 @@ body {
 }
 
 .control-btn {
-    width: 20px;
+    width: 28px;
-    height: 20px;
+    height: 28px;
-    border-radius: 50%;
+    border-radius: 6px;
-    border: none;
+    border: 1px solid rgba(255, 255, 255, 0.1);
     cursor: pointer !important;
     transition: all 0.3s ease;
     display: flex !important;
@@ -386,24 +392,36 @@ body {
     position: relative;
     z-index: 100000 !important;
     pointer-events: auto !important;
+    backdrop-filter: blur(10px);
 }
 
 .control-btn i {
-    font-size: 0.5rem;
+    font-size: 0.75rem;
-    opacity: 0;
+    opacity: 0.7;
     transition: opacity 0.3s ease;
+    color: white;
 }
 
 .control-btn:hover i {
     opacity: 1;
 }
 
+.maximize {
+    background: rgba(34, 197, 94, 0.2);
+}
+
+.maximize:hover {
+    background: rgba(34, 197, 94, 0.4);
+    border-color: rgba(34, 197, 94, 0.5);
+}
+
 .minimize {
     background: rgba(251, 191, 36, 0.2);
 }
 
 .minimize:hover {
-    background: #fbbf24;
+    background: rgba(251, 191, 36, 0.4);
+    border-color: rgba(251, 191, 36, 0.5);
 }
 
 .close {
@@ -411,7 +429,8 @@ body {
 }
 
 .close:hover {
-    background: #ef4444;
+    background: rgba(239, 68, 68, 0.4);
+    border-color: rgba(239, 68, 68, 0.5);
 }
 
 
@@ -429,7 +448,7 @@ body {
 }
 
 .title-accent {
-    color: #9333ea;
+    color: #bf84f7;
     text-shadow: 0 0 20px rgba(147, 51, 234, 0.5);
 }
 
@@ -928,15 +947,22 @@ body {
 
 
 .news-grid-horizontal {
-    display: flex;
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+    grid-auto-rows: minmax(200px, 1fr);
     gap: 1rem;
-    overflow-x: auto;
+    overflow-y: auto;
+    overflow-x: hidden;
     padding-bottom: 1rem;
     scrollbar-width: thin;
     scrollbar-color: rgba(147, 51, 234, 0.3) transparent;
+    flex: 1;
+    min-height: 0;
+    align-content: start;
 }
 
 .news-grid-horizontal::-webkit-scrollbar {
+    width: 6px;
     height: 6px;
 }
 
@@ -954,9 +980,11 @@ body {
 }
 
 .news-grid-horizontal .news-item {
-    min-width: 300px;
+    width: 100%;
-    max-width: 300px;
+    min-width: 0;
-    height: 200px;
+    max-width: none;
+    height: auto;
+    aspect-ratio: 16 / 9;
     flex-shrink: 0;
 }
 
@@ -988,7 +1016,7 @@ body {
 
 .news-card {
     position: relative;
-    aspect-ratio: 16/10;
+    height: 100%;
     border-radius: 8px;
     overflow: hidden;
     cursor: pointer;
@@ -1500,44 +1528,55 @@ body {
 
 .progress-overlay {
     position: fixed;
-    bottom: 1rem;
+    bottom: 1.5rem;
-    left: 1rem;
+    left: 50%;
-    right: 1rem;
+    transform: translateX(-50%);
-    background: rgba(0, 0, 0, 0.85);
+    width: 400px;
-    backdrop-filter: blur(30px);
+    background: rgba(15, 23, 42, 0.95);
-    border: 2px solid rgba(147, 51, 234, 0.3);
+    backdrop-filter: blur(20px);
-    border-radius: 16px;
+    border: 1px solid rgba(147, 51, 234, 0.3);
-    padding: 2rem;
+    border-radius: 12px;
-    z-index: 50;
+    padding: 1.25rem;
+    z-index: 60;
     box-shadow:
-        0 8px 32px rgba(0, 0, 0, 0.6),
+        0 4px 16px rgba(0, 0, 0, 0.5),
-        0 0 40px rgba(147, 51, 234, 0.1),
+        0 0 30px rgba(147, 51, 234, 0.15),
-        inset 0 1px 0 rgba(255, 255, 255, 0.1);
+        inset 0 1px 0 rgba(255, 255, 255, 0.05);
     animation: progressGlow 3s ease-in-out infinite alternate;
+    cursor: move;
+    user-select: none;
+}
+
+.progress-overlay.dragging {
+    cursor: grabbing;
+    box-shadow:
+        0 8px 24px rgba(0, 0, 0, 0.7),
+        0 0 50px rgba(147, 51, 234, 0.3),
+        inset 0 1px 0 rgba(255, 255, 255, 0.05);
 }
 
 @keyframes progressGlow {
     0% {
         box-shadow:
-            0 8px 32px rgba(0, 0, 0, 0.6),
+            0 4px 16px rgba(0, 0, 0, 0.5),
-            0 0 40px rgba(147, 51, 234, 0.1),
+            0 0 30px rgba(147, 51, 234, 0.15),
-            inset 0 1px 0 rgba(255, 255, 255, 0.1);
+            inset 0 1px 0 rgba(255, 255, 255, 0.05);
         border-color: rgba(147, 51, 234, 0.3);
     }
 
     100% {
         box-shadow:
-            0 8px 32px rgba(0, 0, 0, 0.6),
+            0 4px 16px rgba(0, 0, 0, 0.5),
-            0 0 60px rgba(147, 51, 234, 0.3),
+            0 0 40px rgba(147, 51, 234, 0.25),
-            inset 0 1px 0 rgba(255, 255, 255, 0.1);
+            inset 0 1px 0 rgba(255, 255, 255, 0.05);
-        border-color: rgba(147, 51, 234, 0.5);
+        border-color: rgba(147, 51, 234, 0.4);
     }
 }
 
 .progress-content {
     display: flex;
     flex-direction: column;
-    gap: 1.5rem;
+    gap: 0.75rem;
 }
 
 .progress-info {
@@ -1548,7 +1587,7 @@ body {
 
 .progress-info span {
     font-family: 'JetBrains Mono', monospace;
-    font-size: 0.875rem;
+    font-size: 0.8rem;
 }
 
 #progressText {
@@ -1572,8 +1611,8 @@ body {
 #progressPercent {
     color: #9333ea;
     font-weight: 700;
-    font-size: 2rem;
+    font-size: 1.25rem;
-    text-shadow: 0 0 20px rgba(147, 51, 234, 0.8);
+    text-shadow: 0 0 15px rgba(147, 51, 234, 0.6);
     animation: percentGlow 1.5s ease-in-out infinite;
 }
 
@@ -1592,15 +1631,15 @@ body {
 }
 
 .progress-bar-container {
-    height: 16px;
+    height: 10px;
     background: linear-gradient(90deg, #1f2937, #374151);
-    border: 2px solid rgba(147, 51, 234, 0.2);
+    border: 1px solid rgba(147, 51, 234, 0.2);
-    border-radius: 12px;
+    border-radius: 8px;
     overflow: hidden;
     position: relative;
     box-shadow:
         inset 0 2px 4px rgba(0, 0, 0, 0.5),
-        0 0 20px rgba(147, 51, 234, 0.1);
+        0 0 15px rgba(147, 51, 234, 0.1);
 }
 
 .progress-bar-container::before {
@@ -1636,15 +1675,15 @@ body {
             #06b6d4 75%,
             #10b981 100%);
     background-size: 200% 100%;
-    border-radius: 10px;
+    border-radius: 6px;
     width: 0%;
     transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
     position: relative;
     overflow: hidden;
     animation: progressFlow 3s linear infinite;
     box-shadow:
-        0 0 30px rgba(147, 51, 234, 0.6),
+        0 0 20px rgba(147, 51, 234, 0.5),
-        inset 0 1px 0 rgba(255, 255, 255, 0.3);
+        inset 0 1px 0 rgba(255, 255, 255, 0.2);
 }
 
 @keyframes progressFlow {
@@ -1692,6 +1731,71 @@ body {
     text-shadow: 0 0 5px rgba(156, 163, 175, 0.3);
 }
 
+/* Installation effects */
+.installation-effects {
+    position: fixed;
+    top: 0;
+    left: 80px;
+    width: calc(100% - 80px);
+    height: 100%;
+    background: rgba(0, 0, 0, 0.5);
+    backdrop-filter: blur(10px);
+    z-index: 40;
+    pointer-events: auto;
+    overflow: hidden;
+}
+
+.space-effects {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    perspective: 1000px;
+}
+
+.warp-line {
+    position: absolute;
+    width: 2px;
+    height: 100%;
+    background: linear-gradient(180deg, 
+        transparent 0%, 
+        rgba(147, 51, 234, 0.8) 50%, 
+        transparent 100%);
+    box-shadow: 0 0 10px rgba(147, 51, 234, 0.8),
+                0 0 20px rgba(147, 51, 234, 0.4);
+    animation: warpSpeed 1.5s linear infinite;
+    opacity: 0;
+}
+
+.warp-line:nth-child(1) { left: 10%; animation-delay: 0s; }
+.warp-line:nth-child(2) { left: 25%; animation-delay: 0.2s; }
+.warp-line:nth-child(3) { left: 40%; animation-delay: 0.4s; }
+.warp-line:nth-child(4) { left: 55%; animation-delay: 0.6s; }
+.warp-line:nth-child(5) { left: 70%; animation-delay: 0.8s; }
+.warp-line:nth-child(6) { left: 85%; animation-delay: 1s; }
+.warp-line:nth-child(7) { left: 15%; animation-delay: 0.3s; }
+.warp-line:nth-child(8) { left: 60%; animation-delay: 0.7s; }
+
+@keyframes warpSpeed {
+    0% {
+        transform: translateY(-100%) scaleY(0);
+        opacity: 0;
+    }
+    10% {
+        opacity: 1;
+    }
+    50% {
+        opacity: 1;
+        transform: translateY(0%) scaleY(1);
+    }
+    90% {
+        opacity: 1;
+    }
+    100% {
+        transform: translateY(100%) scaleY(2);
+        opacity: 0;
+    }
+}
+
 
 .mods-manager {
     display: flex;

main.js

@@ -8,6 +8,22 @@ const profileManager = require('./backend/managers/profileManager');
 
 logger.interceptConsole();
 
+// Single instance lock - prevent multiple launcher instances
+const gotTheLock = app.requestSingleInstanceLock();
+
+if (!gotTheLock) {
+  console.log('Another instance is already running. Quitting...');
+  app.quit();
+} else {
+  app.on('second-instance', (event, commandLine, workingDirectory) => {
+    // Someone tried to run a second instance, focus our window instead
+    if (mainWindow) {
+      if (mainWindow.isMinimized()) mainWindow.restore();
+      mainWindow.focus();
+    }
+  });
+}
+
 let mainWindow;
 let updateManager;
 let discordRPC = null;
@@ -89,8 +105,10 @@ function createWindow() {
   mainWindow = new BrowserWindow({
     width: 1280,
     height: 720,
+    minWidth: 900,
+    minHeight: 600,
     frame: false,
-    resizable: false,
+    resizable: true,
     alwaysOnTop: false,
     backgroundColor: '#090909',
     webPreferences: {
@@ -327,6 +345,11 @@ ipcMain.handle('launch-game', async (event, playerName, javaPath, installPath, g
 
 ipcMain.handle('install-game', async (event, playerName, javaPath, installPath) => {
   try {
+    // Signal installation start
+    if (mainWindow && !mainWindow.isDestroyed()) {
+      mainWindow.webContents.send('installation-start');
+    }
+
     const progressCallback = (message, percent, speed, downloaded, total) => {
       if (mainWindow && !mainWindow.isDestroyed()) {
         const data = {
@@ -342,11 +365,21 @@ ipcMain.handle('install-game', async (event, playerName, javaPath, installPath)
 
     const result = await installGame(playerName, progressCallback, javaPath, installPath);
 
+    // Signal installation end
+    if (mainWindow && !mainWindow.isDestroyed()) {
+      mainWindow.webContents.send('installation-end');
+    }
+
     return result;
   } catch (error) {
     console.error('Install error:', error);
     const errorMessage = error.message || error.toString();
 
+    // Signal installation end on error too
+    if (mainWindow && !mainWindow.isDestroyed()) {
+      mainWindow.webContents.send('installation-end');
+    }
+
     return { success: false, error: errorMessage };
   }
 });
@@ -793,6 +826,16 @@ ipcMain.handle('window-minimize', () => {
   }
 });
 
+ipcMain.handle('window-maximize', () => {
+  if (mainWindow && !mainWindow.isDestroyed()) {
+    if (mainWindow.isMaximized()) {
+      mainWindow.unmaximize();
+    } else {
+      mainWindow.maximize();
+    }
+  }
+});
+
 ipcMain.handle('get-log-directory', () => {
   return logger.getLogDirectory();
 });

preload.js

@@ -5,6 +5,7 @@ contextBridge.exposeInMainWorld('electronAPI', {
   installGame: (playerName, javaPath, installPath) => ipcRenderer.invoke('install-game', playerName, javaPath, installPath),
   closeWindow: () => ipcRenderer.invoke('window-close'),
   minimizeWindow: () => ipcRenderer.invoke('window-minimize'),
+  maximizeWindow: () => ipcRenderer.invoke('window-maximize'),
   saveUsername: (username) => ipcRenderer.invoke('save-username', username),
   loadUsername: () => ipcRenderer.invoke('load-username'),
   saveChatUsername: (chatUsername) => ipcRenderer.invoke('save-chat-username', chatUsername),
@@ -44,6 +45,12 @@ contextBridge.exposeInMainWorld('electronAPI', {
   onProgressComplete: (callback) => {
     ipcRenderer.on('progress-complete', () => callback());
   },
+  onInstallationStart: (callback) => {
+    ipcRenderer.on('installation-start', () => callback());
+  },
+  onInstallationEnd: (callback) => {
+    ipcRenderer.on('installation-end', () => callback());
+  },
   getUserId: () => ipcRenderer.invoke('get-user-id'),
   checkForUpdates: () => ipcRenderer.invoke('check-for-updates'),
   openDownloadPage: () => ipcRenderer.invoke('open-download-page'),