/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (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.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Christophe Nowicki <cscm@csquad.org>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsDBusSignal.h"
#include "nsEmbedString.h"
#include "nsMemory.h"


////////////////////////////////////////////////////////////////////////

nsDBusSignalHook::nsDBusSignalHook() {
}

nsDBusSignalHook::nsDBusSignalHook(char *interface, char *name, 
        nsIDBusResponseListener *callback) {
    this->interface = interface;
    this->name = name;
    this->callback = callback;
}

nsDBusSignalHook::~nsDBusSignalHook() {
}

////////////////////////////////////////////////////////////////////////

/**
 * Return Signal Hook Identifier
 */
const char *
nsDBusSignalHook::Key(void) {
    PR_LOG(lm, PR_LOG_DEBUG, ("SignalHook::Key") );
    nsEmbedCString key;
    PRUint32 len;
    const char *data;
    char *ret;

    if (this->name.IsEmpty())
        return NULL;

    if (this->interface.IsEmpty())
        return NULL;

    key.Append(this->interface);
    key.Append(NS_LITERAL_CSTRING("/"));
    key.Append(this->name); 

    len = NS_CStringGetData(key, &data);

    ret = (char*) nsMemory::Clone(data, len);
    ret[len] = 0; // It should been more easy...

    return (const char*) ret;
}

#ifdef DEBUG

PRIntn
nsDBusSignalHook::dumpHashTableEntry(PLHashEntry *he, PRIntn index, void *arg){
    nsDBusSignalHook *hook;

    PR_LOG(lm, PR_LOG_DEBUG, ("-- Entry.\n"));
	PR_LOG(lm, PR_LOG_DEBUG, ("\tindex = %d\n", index));
	PR_LOG(lm, PR_LOG_DEBUG, ("\tkey   = %s\n", he->key));
    hook = (nsDBusSignalHook *) he->value;
    if (hook) {
	    PR_LOG(lm, PR_LOG_DEBUG, ("\tinterface = %s\n", hook->interface.get()));
	    PR_LOG(lm, PR_LOG_DEBUG, ("\tname = %s\n", hook->name.get()));
	    PR_LOG(lm, PR_LOG_DEBUG, ("\tcallback = %p\n", hook->callback));
    } else {
	    PR_LOG(lm, PR_LOG_DEBUG, ("\tvalue = NULL\n"));
    }
    return HT_ENUMERATE_NEXT;
}

#endif /* DEBUG */