Implement native web notifications for mac

chrome/browser/notifications/notification_ui_manager_mac.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_MAC_H_
+#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_MAC_H_
+
+#include <map>
+#include <set>
+#include <string>
+
+#include "base/mac/scoped_nsobject.h"
+#include "base/mac/sdk_forward_declarations.h"
+#include "chrome/browser/notifications/notification_ui_manager.h"
+
+class Notification;
+@class NotificationCenterDelegate;
+class PrefService;
+class Profile;
+
+// This class is an implementation of NotificationUIManager that will
+// send platform notifications to the Notification Center on 10.8 and above.

[Peter Beverloo, 2015/12/09 00:12:00]

This would be an excellent place to document *why* it's only available on 10.8+.

[Miguel Garcia, 2015/12/10 20:16:30]

Done.

+class NotificationUIManagerMac : public NotificationUIManager {
+ public:
+  NotificationUIManagerMac();
+  ~NotificationUIManagerMac() override;
+
+  // NotificationUIManager implementation
+  void Add(const Notification& notification, Profile* profile) override;
+  bool Update(const Notification& notification, Profile* profile) override;
+  const Notification* FindById(const std::string& delegate_id,
+                               ProfileID profile_id) const override;
+  bool CancelById(const std::string& delegate_id,
+                  ProfileID profile_id) override;
+  std::set<std::string> GetAllIdsByProfileAndSourceOrigin(
+      ProfileID profile_id,
+      const GURL& source) override;
+  std::set<std::string> GetAllIdsByProfile(ProfileID profile_id) override;
+  bool CancelAllBySourceOrigin(const GURL& source_origin) override;
+  bool CancelAllByProfile(ProfileID profile_id) override;
+  void CancelAll() override;
+  bool AcceptNativeNotifications() override;
+
+ private:
+  // Cocoa class that receives callbacks from the NSUserNotificationCenter.
+  base::scoped_nsobject<NotificationCenterDelegate> delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(NotificationUIManagerMac);
+};
+
+#endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_MAC_H_