tenfourfox/ipc/dbus/DBusUtils.h
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

107 lines
2.5 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#ifndef mozilla_ipc_dbus_dbusutils_h__
#define mozilla_ipc_dbus_dbusutils_h__
#include "mozilla/RefPtr.h"
// LOGE and free a D-Bus error
// Using #define so that __FUNCTION__ resolves usefully
#define LOG_AND_FREE_DBUS_ERROR_WITH_MSG(err, msg) log_and_free_dbus_error(err, __FUNCTION__, msg);
#define LOG_AND_FREE_DBUS_ERROR(err) log_and_free_dbus_error(err, __FUNCTION__);
struct DBusError;
struct DBusMessage;
namespace mozilla {
namespace ipc {
class DBusMessageRefPtr
{
public:
DBusMessageRefPtr(DBusMessage* aMsg);
~DBusMessageRefPtr();
operator DBusMessage* ()
{
return mMsg;
}
DBusMessage* get()
{
return mMsg;
}
private:
DBusMessage* mMsg;
};
/**
* DBusReplyHandler represents a handler for DBus reply messages. Inherit
* from this class and implement the Handle method. The method Callback
* should be passed to the DBus send function, with the class instance as
* user-data argument.
*/
class DBusReplyHandler
{
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DBusReplyHandler)
/**
* Implements a call-back function for DBus. The supplied value for
* aData must be a pointer to an instance of DBusReplyHandler.
*/
static void Callback(DBusMessage* aReply, void* aData);
/**
* Call-back method for handling the reply message from DBus.
*/
virtual void Handle(DBusMessage* aReply) = 0;
protected:
DBusReplyHandler()
{
}
DBusReplyHandler(const DBusReplyHandler& aHandler)
{
}
DBusReplyHandler& operator = (const DBusReplyHandler& aRhs)
{
return *this;
}
virtual ~DBusReplyHandler()
{
}
};
void log_and_free_dbus_error(DBusError* err,
const char* function,
DBusMessage* msg = nullptr);
int dbus_returns_int32(DBusMessage *reply);
}
}
#endif