QtGStreamer 0.10.1
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00001 /* 00002 Copyright (C) 2010 George Kiagiadakis <kiagiadakis.george@gmail.com> 00003 00004 This library is free software; you can redistribute it and/or modify 00005 it under the terms of the GNU Lesser General Public License as published 00006 by the Free Software Foundation; either version 2.1 of the License, or 00007 (at your option) any later version. 00008 00009 This program is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 GNU General Public License for more details. 00013 00014 You should have received a copy of the GNU Lesser General Public License 00015 along with this program. If not, see <http://www.gnu.org/licenses/>. 00016 */ 00017 #ifndef QGST_CHILDPROXY_H 00018 #define QGST_CHILDPROXY_H 00019 00020 #include "object.h" 00021 00022 namespace QGst { 00023 00027 class QTGSTREAMER_EXPORT ChildProxy : public QGlib::Interface 00028 { 00029 QGST_WRAPPER(ChildProxy) 00030 public: 00031 uint childrenCount() const; 00032 ObjectPtr childByName(const char *name) const; 00033 ObjectPtr childByIndex(uint index) const; 00034 00035 bool findChildProperty(const char *name, ObjectPtr *object, QGlib::ParamSpecPtr *paramSpec) const; 00036 QGlib::Value childProperty(const char *name) const; 00037 template <typename T> void setChildProperty(const char *name, const T & value); 00038 }; 00039 00040 template <typename T> 00041 void ChildProxy::setChildProperty(const char *name, const T & value) 00042 { 00043 QGlib::ParamSpecPtr param; 00044 ObjectPtr object; 00045 if (findChildProperty(name, &object, ¶m)) { 00046 QGlib::Value v; 00047 v.init(param->valueType()); 00048 v.set<T>(value); 00049 object->setProperty(param->name(), value); 00050 } 00051 } 00052 00053 } 00054 00055 QGST_REGISTER_TYPE(QGst::ChildProxy) 00056 QGLIB_REGISTER_INTERFACE(QGst::ChildProxy) 00057 00058 #endif // QGST_CHILDPROXY_H