text: // 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 CHROMEOS_DBUS_SMS_CLIENT_H_
  #define CHROMEOS_DBUS_SMS_CLIENT_H_
  
  #include <string>
  
  #include "base/basictypes.h"
  #include "base/callback.h"
  #include "chromeos/chromeos_export.h"
  #include "chromeos/dbus/dbus_client.h"
  #include "chromeos/dbus/dbus_client_implementation_type.h"
  
  namespace base {
  class DictionaryValue;
  }
  
  namespace dbus {
  class ObjectPath;
  }
  
  namespace chromeos {
  
  // SMSMessageClient is used to communicate with the
  // org.freedesktop.ModemManager1.SMS service.  All methods should be
  // called from the origin thread (UI thread) which initializes the
  // DBusThreadManager instance.
  class CHROMEOS_EXPORT SMSClient : public DBusClient {
   public:
    typedef base::Callback<void(const base::DictionaryValue& sms)> GetAllCallback;
  
    virtual ~SMSClient();
  
    // Factory function, creates a new instance and returns ownership.
    // For normal usage, access the singleton via DBusThreadManager::Get().
    static SMSClient* Create(DBusClientImplementationType type);
  
    // Calls GetAll method.  |callback| is called after the method call succeeds.
    virtual void GetAll(const std::string& service_name,
                        const dbus::ObjectPath& object_path,
                        const GetAllCallback& callback) = 0;
  
   protected:
    // Create() should be used instead.
    SMSClient();
  
   private:
    DISALLOW_COPY_AND_ASSIGN(SMSClient);
  };
  
  }  // namespace chromeos
  
  #endif  // CHROMEOS_DBUS_SMS_CLIENT_H_
  