Shutdown animation

htdocs/index.html

@@ -205,5 +205,6 @@
       </div>
       <button id="ID_RenterUploadsOk" style="width: 110px" type="button">Back</button>
     </div>
+    <div id="shutdown_window" class="hidden-element" style="padding: 0; margin: 0;position: fixed; height: 100%; width: 100%;background-image: url(./images/shutdown.gif); background-size: cover; z-index: 99999"></div>
   </body>
 </html>

htdocs/js/index.js

@@ -186,6 +186,9 @@
         if (document.getElementById('sia_settings_window').classList.contains('hidden-element')) {
           setChecked('ID_SettingsLaunchFileManager', launch);
         }
+      },
+      displayShutdownWindow: () => {
+        setMainWindow('shutdown_window');
       }
     };
   })();

include/siadrive/siadriveapp.h

@@ -64,7 +64,7 @@ public:
 private:
   static void ExecuteSetter(CefRefPtr<CefV8Context> context, CefRefPtr<CefV8Value> obj, const SString& method, const SString& value);
   static void ExecuteSetter(CefRefPtr<CefV8Context> context, CefRefPtr<CefV8Value> obj, const SString& method, CefRefPtr<CefV8Value> value);
-  void ShutdownServices(CefRefPtr<CefBrowser> browser, const bool& closing = false);
+  void ShutdownServices(CefRefPtr<CefBrowser> browser);
   void SiaApiRefreshCallback(CefRefPtr<CefV8Context> context, const Api::CSiaCurl& siaCurl, Api::CSiaDriveConfig* siaDriveConfig);
 
 private:

src/siadrive/siadriveapp.cpp

@@ -302,10 +302,11 @@ void CSiaDriveApp::ExecuteSetter(CefRefPtr<CefV8Context> context, CefRefPtr<CefV
 bool CSiaDriveApp::OnProcessMessageReceived(CefRefPtr<CefBrowser> browser, CefProcessId source_process, CefRefPtr<CefProcessMessage> message)
 {
   CEF_REQUIRE_RENDERER_THREAD();
+  auto context = CefV8Context::GetCurrentContext();
   const std::string& messageName = message->GetName();
   if (messageName == "shutdownServices") 
   {
-    this->ShutdownServices(browser, true);
+    this->ShutdownServices(browser);
     return true;
   }
 
@@ -398,22 +399,32 @@ void CSiaDriveApp::OnContextInitialized()
 	}
 }
 
-void CSiaDriveApp::ShutdownServices(CefRefPtr<CefBrowser> browser, const bool& closing)
+void CSiaDriveApp::ShutdownServices(CefRefPtr<CefBrowser> browser)
 {
-  if (_refreshThread)
   {
-    _appStarted = false;
-    _refreshThread->StopAutoThread();
-    _refreshThread.reset(nullptr);
+    auto context = browser->GetMainFrame()->GetV8Context();
+    context->Enter();
+    auto global = context->GetGlobal();
+    auto uiActions = global->GetValue("uiUpdate");
+    //
+    CefRefPtr<CefV8Value> displayShutdownWindow = uiActions->GetValue("displayShutdownWindow");
+    CefV8ValueList args;
+    displayShutdownWindow->ExecuteFunctionWithContext(context, nullptr, args);
+    context->Exit();
   }
+  std::thread([this, browser]() {
+    if (_refreshThread)
+    {
+      _appStarted = false;
+      _refreshThread->StopAutoThread();
+      _refreshThread.reset(nullptr);
+    }
 
-  if (_siaDrive)
-  {
-    _siaDrive->Unmount();
-  }
+    if (_siaDrive)
+    {
+      _siaDrive->Unmount();
+    }
 
-  if (closing)
-  {
     if (_siaDriveConfig && _siaDriveConfig->GetLockWalletOnExit())
     {
       _siaApi->GetWallet()->Lock();
@@ -423,6 +434,7 @@ void CSiaDriveApp::ShutdownServices(CefRefPtr<CefBrowser> browser, const bool& c
     {
       _siaApi->StopBackgroundRefresh();
     }
+
     _siaDrive.reset(nullptr);
     _siaApi.reset(nullptr);
     _siaCurl.reset(nullptr);
@@ -431,7 +443,7 @@ void CSiaDriveApp::ShutdownServices(CefRefPtr<CefBrowser> browser, const bool& c
 
     CefRefPtr<CefProcessMessage> msg = CefProcessMessage::Create("shutdownServicesComplete");
     browser->SendProcessMessage(PID_BROWSER, msg);
-  }
+  }).detach();
 }
 
 void CSiaDriveApp::SiaApiRefreshCallback(CefRefPtr<CefV8Context> context, const CSiaCurl& siaCurl, CSiaDriveConfig* siaDriveConfig)