| // 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_FLIMFLAM_CLIENT_HELPER_H_ |
| #define CHROMEOS_DBUS_FLIMFLAM_CLIENT_HELPER_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/callback.h" |
| #include "base/memory/weak_ptr.h" |
| #include "chromeos/dbus/blocking_method_caller.h" |
| #include "chromeos/dbus/dbus_method_call_status.h" |
| |
| namespace base { |
| |
| class Value; |
| class DictionaryValue; |
| |
| } // namespace base |
| |
| namespace dbus { |
| |
| class Bus; |
| class ErrorResponse; |
| class MessageWriter; |
| class MethodCall; |
| class ObjectPath; |
| class ObjectProxy; |
| class Response; |
| class Signal; |
| |
| } // namespace dbus |
| |
| namespace chromeos { |
| |
| // A class to help implement Flimflam clients. |
| class FlimflamClientHelper { |
| public: |
| // A callback to handle PropertyChanged signals. |
| typedef base::Callback<void(const std::string& name, |
| const base::Value& value)> PropertyChangedHandler; |
| |
| // A callback to handle responses for methods without results. |
| typedef base::Callback<void(DBusMethodCallStatus call_status)> VoidCallback; |
| |
| // A callback to handle responses for methods with ObjectPath results. |
| typedef base::Callback<void( |
| DBusMethodCallStatus call_status, |
| const dbus::ObjectPath& result)> ObjectPathCallback; |
| |
| // A callback to handle responses for methods with DictionaryValue results. |
| typedef base::Callback<void( |
| DBusMethodCallStatus call_status, |
| const base::DictionaryValue& result)> DictionaryValueCallback; |
| |
| // A callback to handle erros for method call. |
| typedef base::Callback<void(const std::string& error_name, |
| const std::string& error_message)> ErrorCallback; |
| |
| FlimflamClientHelper(dbus::Bus* bus, dbus::ObjectProxy* proxy); |
| |
| virtual ~FlimflamClientHelper(); |
| |
| // Sets PropertyChanged signal handler. |
| void SetPropertyChangedHandler(const PropertyChangedHandler& handler); |
| |
| // Resets PropertyChanged signal handler. |
| void ResetPropertyChangedHandler(); |
| |
| // Starts monitoring PropertyChanged signal. |
| void MonitorPropertyChanged(const std::string& interface_name); |
| |
| // Calls a method without results. |
| void CallVoidMethod(dbus::MethodCall* method_call, |
| const VoidCallback& callback); |
| |
| // Calls a method with an object path result. |
| void CallObjectPathMethod(dbus::MethodCall* method_call, |
| const ObjectPathCallback& callback); |
| |
| // Calls a method with a dictionary value result. |
| void CallDictionaryValueMethod(dbus::MethodCall* method_call, |
| const DictionaryValueCallback& callback); |
| |
| // Calls a method without results with error callback. |
| void CallVoidMethodWithErrorCallback(dbus::MethodCall* method_call, |
| const base::Closure& callback, |
| const ErrorCallback& error_callback); |
| |
| // DEPRECATED DO NOT USE: Calls a method without results. |
| bool CallVoidMethodAndBlock(dbus::MethodCall* method_call); |
| |
| // DEPRECATED DO NOT USE: Calls a method with an object path result. |
| dbus::ObjectPath CallObjectPathMethodAndBlock(dbus::MethodCall* method_call); |
| |
| // DEPRECATED DO NOT USE: Calls a method with a dictionary value result. |
| // The caller is responsible to delete the result. |
| // This method returns NULL when method call fails. |
| base::DictionaryValue* CallDictionaryValueMethodAndBlock( |
| dbus::MethodCall* method_call); |
| |
| // Appends the value (basic types and string-to-string dictionary) to the |
| // writer as a variant. |
| static void AppendValueDataAsVariant(dbus::MessageWriter* writer, |
| const base::Value& value); |
| |
| private: |
| // Handles the result of signal connection setup. |
| void OnSignalConnected(const std::string& interface, |
| const std::string& signal, |
| bool success); |
| |
| // Handles PropertyChanged signal. |
| void OnPropertyChanged(dbus::Signal* signal); |
| |
| // Handles responses for methods without results. |
| void OnVoidMethod(const VoidCallback& callback, dbus::Response* response); |
| |
| // Handles responses for methods with ObjectPath results. |
| void OnObjectPathMethod(const ObjectPathCallback& callback, |
| dbus::Response* response); |
| |
| // Handles responses for methods with DictionaryValue results. |
| void OnDictionaryValueMethod(const DictionaryValueCallback& callback, |
| dbus::Response* response); |
| |
| // Handles responses for methods without results. |
| // Used by CallVoidMethodWithErrorCallback(). |
| void OnVoidMethodWithErrorCallback(const base::Closure& callback, |
| dbus::Response* response); |
| |
| // Handles errors for method calls. |
| void OnError(const ErrorCallback& error_callback, |
| dbus::ErrorResponse* response); |
| |
| base::WeakPtrFactory<FlimflamClientHelper> weak_ptr_factory_; |
| // TODO(hashimoto): Remove this when we no longer need to make blocking calls. |
| BlockingMethodCaller blocking_method_caller_; |
| dbus::ObjectProxy* proxy_; |
| PropertyChangedHandler property_changed_handler_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FlimflamClientHelper); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROMEOS_DBUS_FLIMFLAM_CLIENT_HELPER_H_ |