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# Miro - an RSS based video player application
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# Copyright (C) 2005-2010 Participatory Culture Foundation
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# In addition, as a special exception, the copyright holders give
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# permission to link the code of portions of this program with the OpenSSL
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# You must obey the GNU General Public License in all respects for all of
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# the code used other than OpenSSL. If you modify file(s) with this
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# exception, you may extend this exception to your version of the file(s),
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# but you are not obligated to do so. If you do not wish to do so, delete
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# this exception statement from your version. If you delete this exception
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# statement from all source files in the program, then also delete it here.
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#include <CoreFoundation/CoreFoundation.h>
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#include <IOKit/IOKitLib.h>
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#define RETURN_ZERO_IF(e) if ((e)) return Py_BuildValue("f", 0.0f)
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static PyObject* idletime_get(PyObject* self, PyObject* args)
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mach_port_t masterPort;
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result = IOMasterPort(kIOMasterPortDefault, &masterPort);
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RETURN_ZERO_IF(result != KERN_SUCCESS);
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CFMutableDictionaryRef matchingDict = IOServiceMatching("IOHIDSystem");
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io_iterator_t hidIterator;
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result = IOServiceGetMatchingServices(masterPort, matchingDict, &hidIterator);
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RETURN_ZERO_IF(hidIterator == 0);
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io_registry_entry_t hidEntry = IOIteratorNext(hidIterator);
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RETURN_ZERO_IF(hidEntry == 0);
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CFMutableDictionaryRef hidProperties = NULL;
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result = IORegistryEntryCreateCFProperties(hidEntry, &hidProperties, kCFAllocatorDefault, 0);
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RETURN_ZERO_IF(result != KERN_SUCCESS || hidProperties == NULL);
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CFTypeRef hidIdleTime = CFDictionaryGetValue(hidProperties, CFSTR("HIDIdleTime"));
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if (hidIdleTime != NULL)
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CFTypeID type = CFGetTypeID(hidIdleTime);
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if (type == CFDataGetTypeID())
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CFRange range = CFRangeMake(0, sizeof(handle));
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CFDataGetBytes((CFDataRef)hidIdleTime, range, (UInt8*)&handle);
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else if (type == CFNumberGetTypeID())
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CFNumberGetValue((CFNumberRef)hidIdleTime, kCFNumberSInt64Type, &handle);
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seconds = handle / 1000000000.0;
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IOObjectRelease(hidEntry);
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IOObjectRelease(hidIterator);
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CFRelease(hidProperties);
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return Py_BuildValue("f", seconds);
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static PyMethodDef IdleTimeMethods[] =
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{ "get", idletime_get, METH_VARARGS, "Returns the system idle time in seconds" },
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{ NULL, NULL, 0, NULL }
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PyMODINIT_FUNC initidletime(void)
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Py_InitModule("idletime", IdleTimeMethods);