renamed *Manager files

src/singletons/Updates.hpp

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <QString>
+#include <pajlada/signals/signal.hpp>
+
+namespace chatterino {
+
+class UpdateManager
+{
+    UpdateManager();
+
+public:
+    enum UpdateStatus {
+        None,
+        Searching,
+        UpdateAvailable,
+        NoUpdateAvailable,
+        SearchFailed,
+        Downloading,
+        DownloadFailed,
+        WriteFileFailed,
+    };
+
+    // fourtf: don't add this class to the application class
+    static UpdateManager &getInstance();
+
+    void checkForUpdates();
+    const QString &getCurrentVersion() const;
+    const QString &getOnlineVersion() const;
+    void installUpdates();
+    UpdateStatus getStatus() const;
+
+    pajlada::Signals::Signal<UpdateStatus> statusUpdated;
+
+private:
+    QString currentVersion_;
+    QString onlineVersion_;
+    UpdateStatus status_ = None;
+
+    QString updateUrl_;
+
+    void setStatus_(UpdateStatus status);
+};
+
+}  // namespace chatterino