worked on the UpdatePromptDialog

src/widgets/dialogs/UpdatePromptDialog.cpp

@@ -1,5 +1,6 @@
 #include "UpdatePromptDialog.hpp"
 
+#include "singletons/Updates.hpp"
 #include "util/LayoutCreator.hpp"
 #include "widgets/Label.hpp"
 
@@ -15,16 +16,53 @@ UpdatePromptDialog::UpdatePromptDialog()
 {
     auto layout = LayoutCreator<UpdatePromptDialog>(this).setLayoutType<QVBoxLayout>();
 
-    layout.emplace<Label>("An update is available!");
-    layout.emplace<Label>("Do you want to download and install it?");
-    layout.emplace<Label>("This doesn't work yet!");
+    layout.emplace<Label>("You shouldn't be seeing this dialog.").assign(&this->ui_.label);
 
     auto buttons = layout.emplace<QDialogButtonBox>();
     auto install = buttons->addButton("Install", QDialogButtonBox::AcceptRole);
+    this->ui_.installButton = install;
     auto dismiss = buttons->addButton("Dismiss", QDialogButtonBox::RejectRole);
 
     QObject::connect(install, &QPushButton::clicked, this, [this] { this->close(); });
-    QObject::connect(dismiss, &QPushButton::clicked, this, [this] { this->close(); });
+    QObject::connect(dismiss, &QPushButton::clicked, this, [this] {
+        this->buttonClicked.invoke(Dismiss);
+        this->close();
+    });
+
+    this->updateStatusChanged(Updates::getInstance().getStatus());
+    this->connections_.managedConnect(Updates::getInstance().statusUpdated,
+                                      [this](auto status) { this->updateStatusChanged(status); });
+}
+
+void UpdatePromptDialog::updateStatusChanged(Updates::Status status)
+{
+    this->ui_.installButton->setVisible(status == Updates::UpdateAvailable);
+
+    switch (status) {
+        case Updates::UpdateAvailable: {
+            this->ui_.label->setText(QString("An update (%1) is available.")
+                                         .arg(Updates::getInstance().getOnlineVersion()));
+        } break;
+
+        case Updates::SearchFailed: {
+            this->ui_.label->setText("Failed to load version information.");
+        } break;
+
+        case Updates::Downloading: {
+            this->ui_.label->setText("Downloading updates.");
+            // this->setActionOnFocusLoss(BaseWindow::Nothing);
+        } break;
+
+        case Updates::DownloadFailed: {
+            this->ui_.label->setText("Failed to download the update.");
+        } break;
+
+        case Updates::WriteFileFailed: {
+            this->ui_.label->setText("Failed to save the update to disk.");
+        } break;
+
+        default:;
+    }
 }
 
 }  // namespace chatterino

src/widgets/dialogs/UpdatePromptDialog.hpp

@@ -1,19 +1,32 @@
 #pragma once
 
+#include "pajlada/signals/signalholder.hpp"
+#include "singletons/Updates.hpp"
 #include "widgets/BaseWindow.hpp"
 #include "widgets/Label.hpp"
 
+class QPushButton;
+
 namespace chatterino {
 
 class UpdatePromptDialog : public BaseWindow
 {
 public:
+    enum Button { Dismiss };
+
     UpdatePromptDialog();
 
+    pajlada::Signals::Signal<Button> buttonClicked;
+
 private:
+    void updateStatusChanged(Updates::Status status);
+
     struct {
-        Label *label;
+        Label *label = nullptr;
+        QPushButton *installButton = nullptr;
     } ui_;
+
+    pajlada::Signals::SignalHolder connections_;
 };
 
 }  // namespace chatterino