chromeos/network/network_sms_handler.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROMEOS_NETWORK_NETWORK_SMS_HANDLER_H_
   6 #define CHROMEOS_NETWORK_NETWORK_SMS_HANDLER_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_vector.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/observer_list.h"
  13 #include "chromeos/chromeos_export.h"
  14 #include "chromeos/dbus/dbus_method_call_status.h"
  15 #include "chromeos/dbus/shill_property_changed_observer.h"
  16
  17 namespace base {
  18 class DictionaryValue;
  19 class ListValue;
  20 class Value;
  21 }
  22
  23 namespace chromeos {
  24
  25 // Class to watch sms without Libcros.
  26 class CHROMEOS_EXPORT NetworkSmsHandler : public ShillPropertyChangedObserver {
  27  public:
  28   static const char kNumberKey[];
  29   static const char kTextKey[];
  30   static const char kTimestampKey[];
  31
  32   class Observer {
  33    public:
  34     virtual ~Observer() {}
  35
  36     // Called when a new message arrives. |message| contains the message.
  37     // The contents of the dictionary include the keys listed above.
  38     virtual void MessageReceived(const base::DictionaryValue& message) = 0;
  39   };
  40
  41   virtual ~NetworkSmsHandler();
  42
  43   // Requests an immediate check for new messages. If |request_existing| is
  44   // true then also requests to be notified for any already received messages.
  45   void RequestUpdate(bool request_existing);
  46
  47   void AddObserver(Observer* observer);
  48   void RemoveObserver(Observer* observer);
  49
  50   // ShillPropertyChangedObserver
  51   virtual void OnPropertyChanged(const std::string& name,
  52                                  const base::Value& value) OVERRIDE;
  53
  54  private:
  55   friend class NetworkHandler;
  56   friend class NetworkSmsHandlerTest;
  57
  58   class NetworkSmsDeviceHandler;
  59   class ModemManagerNetworkSmsDeviceHandler;
  60   class ModemManager1NetworkSmsDeviceHandler;
  61
  62   NetworkSmsHandler();
  63
  64   // Requests the devices from the network manager, sets up observers, and
  65   // requests the initial list of messages.
  66   void Init();
  67
  68   // Adds |message| to the list of received messages. If the length of the
  69   // list exceeds the maximum number of retained messages, erase the least
  70   // recently received message.
  71   void AddReceivedMessage(const base::DictionaryValue& message);
  72
  73   // Notify observers that |message| was received.
  74   void NotifyMessageReceived(const base::DictionaryValue& message);
  75
  76     // Called from NetworkSmsDeviceHandler when a message is received.
  77   void MessageReceived(const base::DictionaryValue& message);
  78
  79   // Callback to handle the manager properties with the list of devices.
  80   void ManagerPropertiesCallback(DBusMethodCallStatus call_status,
  81                                  const base::DictionaryValue& properties);
  82
  83   // Requests properties for each entry in |devices|.
  84   void UpdateDevices(const base::ListValue* devices);
  85
  86   // Callback to handle the device properties for |device_path|.
  87   // A NetworkSmsDeviceHandler will be instantiated for each cellular device.
  88   void DevicePropertiesCallback(const std::string& device_path,
  89                                 DBusMethodCallStatus call_status,
  90                                 const base::DictionaryValue& properties);
  91
  92   ObserverList<Observer> observers_;
  93   ScopedVector<NetworkSmsDeviceHandler> device_handlers_;
  94   ScopedVector<base::DictionaryValue> received_messages_;
  95   base::WeakPtrFactory<NetworkSmsHandler> weak_ptr_factory_;
  96
  97   DISALLOW_COPY_AND_ASSIGN(NetworkSmsHandler);
  98 };
  99
 100 }  // namespace
 101
 102 #endif  // CHROMEOS_NETWORK_NETWORK_SMS_HANDLER_H_