src/interface.cpp

/*
 *
 *  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
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

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

	if (sig2.interface() == NULL)
		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");
}

PropertyDict *InterfaceAdaptor::get_all_properties()
{
	PropertyTable::iterator pti;
	PropertyDict *dict = new PropertyDict();

	for (pti = _properties.begin(); pti != _properties.end(); ++pti)
	{
		// Skip unreadable properties
		if (!pti->second.read)
			continue;

		Variant v = pti->second.value;
		// Skip uninitialized properties
		if (v.signature().empty())
			continue;

		std::string key = pti->first;
		(*dict)[key] = v;
	}
	return dict;
}

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);

	if (call.interface() == NULL)
		call2.interface(name().c_str());

	return _invoke_method(call2);
}

bool InterfaceProxy::invoke_method_noreply(const CallMessage &call)
{
	CallMessage &call2 = const_cast<CallMessage &>(call);

	if (call.interface() == NULL)
		call2.interface(name().c_str());

	return _invoke_method_noreply(call2);
}

PendingCall *InterfaceProxy::invoke_method_async(const CallMessage &call, int timeout)
{
	CallMessage &call2 = const_cast<CallMessage &>(call);

	if (call.interface() == NULL)
		call2.interface(name().c_str());

	return _invoke_method_async(call2, timeout);
}

void InterfaceProxy::remove_pending_call(PendingCall *pending)
{
	_remove_pending_call(pending);
}