Line data    Source code

       1             : 
       2             : /* Copyright (c) 2009-2013, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *                    2010, Cedric Stalder <cedric.stalder@gmail.com>
       4             :  *
       5             :  * This library is free software; you can redistribute it and/or modify it under
       6             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       7             :  * by the Free Software Foundation.
       8             :  *
       9             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      10             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      11             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      12             :  * details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public License
      15             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      16             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      17             :  */
      18             : 
      19             : #ifndef EQSERVER_COMPOUNDACTIVATEVISITOR_H
      20             : #define EQSERVER_COMPOUNDACTIVATEVISITOR_H
      21             : 
      22             : #include "compoundVisitor.h" // base class
      23             : 
      24             : namespace eq
      25             : {
      26             : namespace server
      27             : {
      28             : /** The compound visitor (de-)activating channels of a compound tree. */
      29             : class CompoundActivateVisitor : public CompoundVisitor
      30             : {
      31             : public:
      32           4 :     CompoundActivateVisitor(const bool activate, const Eye eye)
      33           4 :         : _activate(activate)
      34           4 :         , _eye(eye)
      35             :     {
      36           4 :     }
      37           4 :     virtual ~CompoundActivateVisitor() {}
      38             :     /** Visit all compounds. */
      39          36 :     virtual VisitorResult visit(Compound* compound)
      40             :     {
      41          36 :         Channel* channel = compound->getChannel();
      42          36 :         if (channel && compound->testInheritEye(_eye))
      43             :         {
      44          16 :             if (_activate)
      45             :             {
      46           8 :                 channel->activate();
      47             : 
      48             :                 // Fix https://github.com/Eyescale/Equalizer/issues/147
      49           8 :                 compound->updateInheritTasks();
      50           8 :                 channel->addTasks(compound->getInheritTasks());
      51             :             }
      52             :             else
      53           8 :                 channel->deactivate();
      54             :         }
      55          36 :         return TRAVERSE_CONTINUE;
      56             :     }
      57             : 
      58             : private:
      59             :     const bool _activate;
      60             :     const Eye _eye;
      61             : };
      62             : }
      63             : }
      64             : #endif // EQSERVER_COMPOUNDACTIVATEVISITOR_H