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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// 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.
//
// 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
//
// Current versions can be found at www.libavg.de
//
#include "SubscriberInfo.h"
#include "../base/Exception.h"
#include "../base/ObjectCounter.h"
#include "../base/ScopeTimer.h"
#include <boost/python/slice.hpp>
using namespace std;
namespace avg {
py::object SubscriberInfo::s_MethodrefModule;
SubscriberInfo::SubscriberInfo(int id, const py::object& callable)
: m_ID(id)
{
ObjectCounter::get()->incRef(&typeid(*this));
if (s_MethodrefModule.ptr() == py::object().ptr()) {
s_MethodrefModule = py::import("libavg.methodref");
}
// Use the methodref module to manage the lifetime of the callables. This makes
// sure that we can delete bound-method callbacks when the object they are bound
// to disappears.
m_Callable = py::object(s_MethodrefModule.attr("methodref")(callable));
}
SubscriberInfo::~SubscriberInfo()
{
ObjectCounter::get()->decRef(&typeid(*this));
}
bool SubscriberInfo::hasExpired() const
{
py::object func = m_Callable();
return (func.ptr() == py::object().ptr());
}
static ProfilingZoneID InvokeSubscriberProfilingZone("SubscriberInfo: invoke");
void SubscriberInfo::invoke(py::list args) const
{
ScopeTimer timer(InvokeSubscriberProfilingZone);
py::object func = m_Callable();
py::tuple argsTuple(args);
py::object pyResult = func(*argsTuple);
if (pyResult.ptr() == 0) {
throw py::error_already_set();
}
}
int SubscriberInfo::getID() const
{
return m_ID;
}
bool SubscriberInfo::isCallable(const py::object& callable) const
{
bool bResult = py::call_method<bool>(m_Callable.ptr(), "isSameFunc", callable);
return bResult;
}
}
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