/*
 *
 *  D-Bus++ - C++ bindings for D-Bus
 *
 *  Copyright (C) 2005-2007  Paolo Durante <shackan@gmail.com>
 *
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */


#include <dbus-c++/debug.h>
#include <dbus-c++/interface.h>

#include "internalerror.h"

using namespace DBus;

Interface::Interface( const std::string& name )
: _name(name)
{}

Interface::~Interface()
{}

InterfaceAdaptor* AdaptorBase::find_interface( const std::string& name )
{
	InterfaceAdaptorTable::const_iterator ii = _interfaces.find(name);

	return ii != _interfaces.end() ? ii->second : NULL;
}

InterfaceAdaptor::InterfaceAdaptor( const std::string& name )
: Interface(name)
{
	debug_log("adding interface %s", name.c_str());

	_interfaces[name] = this;
}

Message InterfaceAdaptor::dispatch_method( const CallMessage& msg )
{
	const char* name = msg.member();

	MethodTable::iterator mi = _methods.find(name);
	if( mi != _methods.end() )
	{
		return mi->second.call( msg );
	}
	else
	{
		return ErrorMessage(msg, DBUS_ERROR_UNKNOWN_METHOD, name);
	}
}

void InterfaceAdaptor::emit_signal( const SignalMessage& sig )
{
	SignalMessage& sig2 = const_cast<SignalMessage&>(sig);

	sig2.interface( name().c_str() );
	_emit_signal(sig2);
}

Variant* InterfaceAdaptor::get_property( const std::string& name )
{
	PropertyTable::iterator pti = _properties.find(name);

	if( pti != _properties.end() )
	{
		if( !pti->second.read )
			throw ErrorAccessDenied("property is not readable");

		return &(pti->second.value);
	}
	return NULL;
}

void InterfaceAdaptor::set_property( const std::string& name, Variant& value )
{
	PropertyTable::iterator pti = _properties.find(name);

	if( pti != _properties.end() )
	{
		if( !pti->second.write )
			throw ErrorAccessDenied("property is not writeable");

		Signature sig = value.signature();

		if( pti->second.sig != sig )
			throw ErrorInvalidSignature("property expects a different type");

		pti->second.value = value;
		return;
	}
	throw ErrorFailed("requested property not found");
}

InterfaceProxy* ProxyBase::find_interface( const std::string& name )
{
	InterfaceProxyTable::const_iterator ii = _interfaces.find(name);

	return ii != _interfaces.end() ? ii->second : NULL;
}

InterfaceProxy::InterfaceProxy( const std::string& name )
: Interface(name)
{
	debug_log("adding interface %s", name.c_str());

	_interfaces[name] = this;
}

bool InterfaceProxy::dispatch_signal( const SignalMessage& msg )
{
	const char* name = msg.member();

	SignalTable::iterator si = _signals.find(name);
	if( si != _signals.end() )
	{
		si->second.call( msg );
		// Here we always return false because there might be
		// another InterfaceProxy listening for the same signal.
		// This way we instruct libdbus-1 to go on dispatching
		// the signal.
		return false;
	}
	else	
	{
		return false;
	}
}

Message InterfaceProxy::invoke_method( const CallMessage& call )
{
	CallMessage& call2 = const_cast<CallMessage&>(call);

	call2.interface( name().c_str() );
	return _invoke_method(call2);
}