1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ipc/dbus/DBusUtils.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,106 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/*
1.7 +** Copyright 2006, The Android Open Source Project
1.8 +**
1.9 +** Licensed under the Apache License, Version 2.0 (the "License");
1.10 +** you may not use this file except in compliance with the License.
1.11 +** You may obtain a copy of the License at
1.12 +**
1.13 +** http://www.apache.org/licenses/LICENSE-2.0
1.14 +**
1.15 +** Unless required by applicable law or agreed to in writing, software
1.16 +** distributed under the License is distributed on an "AS IS" BASIS,
1.17 +** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.18 +** See the License for the specific language governing permissions and
1.19 +** limitations under the License.
1.20 +*/
1.21 +
1.22 +#ifndef mozilla_ipc_dbus_dbusutils_h__
1.23 +#define mozilla_ipc_dbus_dbusutils_h__
1.24 +
1.25 +#include "mozilla/RefPtr.h"
1.26 +
1.27 +// LOGE and free a D-Bus error
1.28 +// Using #define so that __FUNCTION__ resolves usefully
1.29 +#define LOG_AND_FREE_DBUS_ERROR_WITH_MSG(err, msg) log_and_free_dbus_error(err, __FUNCTION__, msg);
1.30 +#define LOG_AND_FREE_DBUS_ERROR(err) log_and_free_dbus_error(err, __FUNCTION__);
1.31 +
1.32 +struct DBusError;
1.33 +struct DBusMessage;
1.34 +
1.35 +namespace mozilla {
1.36 +namespace ipc {
1.37 +
1.38 +class DBusMessageRefPtr
1.39 +{
1.40 +public:
1.41 + DBusMessageRefPtr(DBusMessage* aMsg);
1.42 + ~DBusMessageRefPtr();
1.43 +
1.44 + operator DBusMessage* ()
1.45 + {
1.46 + return mMsg;
1.47 + }
1.48 +
1.49 + DBusMessage* get()
1.50 + {
1.51 + return mMsg;
1.52 + }
1.53 +
1.54 +private:
1.55 + DBusMessage* mMsg;
1.56 +};
1.57 +
1.58 +/**
1.59 + * DBusReplyHandler represents a handler for DBus reply messages. Inherit
1.60 + * from this class and implement the Handle method. The method Callback
1.61 + * should be passed to the DBus send function, with the class instance as
1.62 + * user-data argument.
1.63 + */
1.64 +class DBusReplyHandler
1.65 +{
1.66 +public:
1.67 + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DBusReplyHandler)
1.68 +
1.69 + /**
1.70 + * Implements a call-back function for DBus. The supplied value for
1.71 + * aData must be a pointer to an instance of DBusReplyHandler.
1.72 + */
1.73 + static void Callback(DBusMessage* aReply, void* aData);
1.74 +
1.75 + /**
1.76 + * Call-back method for handling the reply message from DBus.
1.77 + */
1.78 + virtual void Handle(DBusMessage* aReply) = 0;
1.79 +
1.80 +protected:
1.81 + DBusReplyHandler()
1.82 + {
1.83 + }
1.84 +
1.85 + DBusReplyHandler(const DBusReplyHandler& aHandler)
1.86 + {
1.87 + }
1.88 +
1.89 + DBusReplyHandler& operator = (const DBusReplyHandler& aRhs)
1.90 + {
1.91 + return *this;
1.92 + }
1.93 +
1.94 + virtual ~DBusReplyHandler()
1.95 + {
1.96 + }
1.97 +};
1.98 +
1.99 +void log_and_free_dbus_error(DBusError* err,
1.100 + const char* function,
1.101 + DBusMessage* msg = nullptr);
1.102 +
1.103 +int dbus_returns_int32(DBusMessage *reply);
1.104 +
1.105 +}
1.106 +}
1.107 +
1.108 +#endif
1.109 +
