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/*
kopetetask.cpp - Kopete Task
Copyright (c) 2004 by Richard Smith <kde@metafoo.co.uk>
Kopete (c) 2002-2004 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* 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 of the License, or (at your option) any later version. *
* *
*************************************************************************
*/
#include "kopetetask.h"
#include <klocale.h>
#include <qptrlist.h>
namespace Kopete
{
class Task::Private
{
public:
Private()
: result( ResultFailed )
{
errorMessage = i18n( "The operation has not finished yet" );
}
Task::Result result;
QString errorMessage;
QPtrList<Task> subtasks;
};
Task::Task()
: d( new Private )
{
}
Task::~Task()
{
delete d;
}
bool Task::succeeded() const
{
return d->result == ResultSucceeded;
}
const QString &Task::errorString() const
{
return d->errorMessage;
}
void Task::abort( int flags )
{
int childFlags = flags & ~AbortEmitResult;
for ( Task *task = d->subtasks.first(); task; task = d->subtasks.next() )
task->abort( childFlags );
if ( flags & AbortEmitResult )
emitResult( ResultFailed, i18n( "Aborted" ) );
else
delete this;
}
void Task::addSubtask( Task *task )
{
d->subtasks.append( task );
connect( task, SIGNAL( result( Kopete::Task* ) ),
this, SLOT( slotResult( Kopete::Task* ) ) );
connect( task, SIGNAL( statusMessage( Kopete::Task*, const QString & ) ),
this, SIGNAL( statusMessage( Kopete::Task*, const QString & ) ) );
}
void Task::removeSubtask( Task *task, RemoveSubtaskIfLast actionIfLast )
{
disconnect( task, SIGNAL( result( Kopete::Task* ) ),
this, SLOT( slotResult( Kopete::Task* ) ) );
disconnect( task, SIGNAL( statusMessage( Kopete::Task*, const QString & ) ),
this, SIGNAL( statusMessage( Kopete::Task*, const QString & ) ) );
d->subtasks.remove( task );
if ( d->subtasks.isEmpty() && actionIfLast == IfLastEmitResult )
emitResult( task->succeeded() ? ResultSucceeded : ResultFailed, task->errorString() );
}
void Task::emitResult( Result res, const QString &errorMessage )
{
d->result = res;
d->errorMessage = errorMessage;
emit result( this );
delete this;
}
void Task::slotResult( Kopete::Task *task )
{
removeSubtask( task );
}
}
#include "kopetetask.moc"
// vim: set noet ts=4 sts=4 sw=4:
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