Send notification to users upon receiving sms messages

ash/common/system/chromeos/network/tray_sms.h

-// Copyright (c) 2012 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 ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_TRAY_SMS_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_TRAY_SMS_H_
-
-#include <stddef.h>
-
-#include <string>
-
-#include "ash/common/system/tray/system_tray_item.h"
-#include "base/macros.h"
-#include "base/values.h"
-#include "chromeos/network/network_sms_handler.h"
-
-namespace ash {
-
-class TraySms : public SystemTrayItem,
-                public chromeos::NetworkSmsHandler::Observer {
- public:
-  explicit TraySms(SystemTray* system_tray);
-  ~TraySms() override;
-
-  // Overridden from SystemTrayItem.
-  views::View* CreateDefaultView(LoginStatus status) override;
-  views::View* CreateDetailedView(LoginStatus status) override;
-  views::View* CreateNotificationView(LoginStatus status) override;
-  void DestroyDefaultView() override;
-  void DestroyDetailedView() override;
-  void DestroyNotificationView() override;
-
-  // Overridden from chromeos::NetworkSmsHandler::Observer.
-  void MessageReceived(const base::DictionaryValue& message) override;
-
- protected:
-  class SmsDefaultView;
-  class SmsDetailedView;
-  class SmsMessageView;
-  class SmsNotificationView;
-
-  // Gets the most recent message. Returns false if no messages or unable to
-  // retrieve the numebr and text from the message.
-  bool GetLatestMessage(size_t* index, std::string* number, std::string* text);
-
-  // Removes message at |index| from message list. Returns true if |index| was
-  // valid and a message was removed.
-  bool RemoveMessage(size_t index);
-
-  // Called when sms messages have changed (through
-  // chromeos::NetworkSmsHandler::Observer).
-  void Update(bool notify);
-
-  base::ListValue& messages() { return messages_; }
-
- private:
-  SmsDefaultView* default_;
-  SmsDetailedView* detailed_;
-  SmsNotificationView* notification_;
-  base::ListValue messages_;
-
-  DISALLOW_COPY_AND_ASSIGN(TraySms);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_TRAY_SMS_H_