Use virtual functions for OSD

src/osd/osdmac.mm

@@ -0,0 +1,76 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ * Copyright 2018-2020, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include "osdmac.h"
+
+#include <QBuffer>
+#include <QByteArray>
+#include <QFile>
+#include <QtDebug>
+
+#include "core/scoped_nsobject.h"
+
+namespace {
+
+bool NotificationCenterSupported() {
+  return NSClassFromString(@"NSUserNotificationCenter");
+}
+
+void SendNotificationCenterMessage(NSString *title, NSString *subtitle) {
+
+  Class clazz = NSClassFromString(@"NSUserNotificationCenter");
+  id notification_center = [clazz defaultUserNotificationCenter];
+
+  Class user_notification_class = NSClassFromString(@"NSUserNotification");
+  id notification = [[user_notification_class alloc] init];
+  [notification setTitle:title];
+  [notification setSubtitle:subtitle];
+
+  [notification_center deliverNotification:notification];
+
+}
+
+}  // namespace
+
+OSDMac::OSDMac(SystemTrayIcon *tray_icon, Application *app, QObject *parent) : OSDBase(tray_icon, app, parent) {}
+
+OSDMac::~OSDMac() = default;
+
+bool OSDMac::SupportsNativeNotifications() {
+  return NotificationCenterSupported();
+}
+
+bool OSDMac::SupportsTrayPopups() { return false; }
+
+void OSDMac::ShowMessageNative(const QString &summary, const QString &message, const QString &icon, const QImage &image) {
+
+  Q_UNUSED(icon);
+  Q_UNUSED(image);
+
+  if (NotificationCenterSupported()) {
+    scoped_nsobject<NSString> mac_message([[NSString alloc] initWithUTF8String:message.toUtf8().constData()]);
+    scoped_nsobject<NSString> mac_summary([[NSString alloc] initWithUTF8String:summary.toUtf8().constData()]);
+    SendNotificationCenterMessage(mac_summary.get(), mac_message.get());
+  }
+
+}