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Viewing changes to os/win/include/vrpn_MainloopContainer.h

  • Committer: Florent Berthaut
  • Date: 2014-07-26 18:53:16 UTC
  • mfrom: (5.1.12 mac)
  • Revision ID: flo@localhost.localdomain-20140726185316-c2ucnwmgm5kij4e2
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os/win/include/vrpn_MainloopContainer.h
 
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/** @file
 
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        @brief Header
 
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        @date 2011
 
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        @author
 
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        Ryan Pavlik
 
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        <rpavlik@iastate.edu> and <abiryan@ryand.net>
 
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        http://academic.cleardefinition.com/
 
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        Iowa State University Virtual Reality Applications Center
 
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        Human-Computer Interaction Graduate Program
 
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*/
 
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//          Copyright Iowa State University 2011.
 
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// Distributed under the Boost Software License, Version 1.0.
 
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//    (See accompanying file LICENSE_1_0.txt or copy at
 
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//          http://www.boost.org/LICENSE_1_0.txt)
 
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#pragma once
 
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#ifndef INCLUDED_vrpn_MainloopContainer_h_GUID_2146c66c_1925_4ac3_a192_354d10d7a39f
 
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#define INCLUDED_vrpn_MainloopContainer_h_GUID_2146c66c_1925_4ac3_a192_354d10d7a39f
 
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// Internal Includes
 
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#include "vrpn_MainloopObject.h"
 
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// Library/third-party includes
 
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// - none
 
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// Standard includes
 
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#include <vector>
 
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/// A container that holds and owns one or more VRPN objects,
 
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class vrpn_MainloopContainer {
 
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        public:
 
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                /// Constructor
 
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                vrpn_MainloopContainer() {}
 
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                /// Destructor: invokes clear()
 
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                ~vrpn_MainloopContainer();
 
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                /// Clear internal structure holding objects, deleting them
 
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                /// in reverse order of their addition.
 
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                void clear();
 
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                /// Add an object wrapped by vrpn_MainloopObject.
 
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                void add(vrpn_MainloopObject * o);
 
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                /// Template method to automatically wrap objects
 
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                /// with vrpn_MainloopObject before adding them.
 
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                template<class T>
 
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                void add(T o) {
 
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                        add(vrpn_MainloopObject::wrap(o));
 
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                }
 
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                /// Runs mainloop on all contained objects, in the order
 
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                /// that they were added.
 
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                void mainloop();
 
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        private:
 
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                std::vector<vrpn_MainloopObject *> _vrpn;
 
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};
 
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/* -- inline implementations -- */
 
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inline vrpn_MainloopContainer::~vrpn_MainloopContainer() {
 
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        clear();
 
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}
 
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inline void vrpn_MainloopContainer::add(vrpn_MainloopObject* o) {
 
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        if (!o) {
 
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                return;
 
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        }
 
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        _vrpn.push_back(o);
 
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}
 
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inline void vrpn_MainloopContainer::clear() {
 
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        if (_vrpn.empty()) {
 
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                return;
 
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        }
 
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        /// Delete in reverse order
 
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        for (size_t i = _vrpn.size() - 1; i >= 0; --i) {
 
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                delete _vrpn[i];
 
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                _vrpn[i] = NULL;
 
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        }
 
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        _vrpn.clear();
 
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}
 
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inline void vrpn_MainloopContainer::mainloop() {
 
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        const size_t n = _vrpn.size();
 
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        for (size_t i = 0; i < n; ++i) {
 
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                _vrpn[i]->mainloop();
 
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        }
 
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}
 
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#endif // INCLUDED_vrpn_MainloopContainer_h_GUID_2146c66c_1925_4ac3_a192_354d10d7a39f