libcore/DisplayObjectContainer.cpp

   1 // DisplayObjectContainer.h: Container of DisplayObjects.
   2 //
   3 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010,
   4 //   2011 Free Software Foundation, Inc
   5 //
   6 // This program is free software; you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation; either version 3 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software
  18 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19
  20
  21 #ifdef HAVE_CONFIG_H
  22 # include "gnashconfig.h"
  23 #endif
  24
  25 #include "DisplayObjectContainer.h"
  26
  27 #include <utility>
  28
  29 #include "DisplayList.h"
  30 #include "InteractiveObject.h"
  31 #include "log.h"
  32 #include "dsodefs.h" // for DSOEXPORT
  33
  34 namespace gnash {
  35
  36 DisplayObjectContainer::~DisplayObjectContainer()
  37 {
  38 }
  39
  40 DisplayObject*
  41 DisplayObjectContainer::removeChild(DisplayObject* obj)
  42 {
  43     _displayList.removeDisplayObject(obj);
  44     obj->set_parent(0);
  45     return obj;
  46 }
  47
  48 DisplayObject*
  49 DisplayObjectContainer::removeChildAt(int index)
  50 {
  51     DisplayObject* obj = _displayList.removeDisplayObjectAt(index);
  52     if (obj) obj->set_parent(0);
  53
  54     return obj;
  55 }
  56
  57 DisplayObject*
  58 DisplayObjectContainer::addChild(DisplayObject* obj)
  59 {
  60     // TODO: parent should be a DisplayObjectContainer; remove dynamic_cast.
  61     DisplayObjectContainer* parent =
  62         dynamic_cast<DisplayObjectContainer*>(obj->parent());
  63     if (parent) parent->removeChild(obj);
  64
  65     _displayList.addDisplayObject(obj);
  66     obj->set_parent(this);
  67     return obj;
  68 }
  69
  70
  71 DisplayObject*
  72 DisplayObjectContainer::addChildAt(DisplayObject* obj, int index)
  73 {
  74     // TODO: parent should be a DisplayObjectContainer; remove dynamic_cast.
  75     DisplayObjectContainer* parent =
  76         dynamic_cast<DisplayObjectContainer*>(obj->parent());
  77     if (parent) parent->removeChild(obj);
  78
  79     _displayList.insertDisplayObject(obj, index);
  80     obj->set_parent(this);
  81     return obj;
  82 }
  83
  84
  85 #ifdef USE_SWFTREE
  86
  87 namespace {
  88
  89 class MovieInfoVisitor
  90 {
  91
  92 public:
  93     MovieInfoVisitor(DisplayObject::InfoTree& tr,
  94             DisplayObject::InfoTree::iterator it)
  95         :
  96         _tr(tr),
  97         _it(it)
  98     {}
  99
 100     void operator()(DisplayObject* ch) {
 101         ch->getMovieInfo(_tr, _it);
 102     }
 103
 104 private:
 105
 106     DisplayObject::InfoTree& _tr;
 107     DisplayObject::InfoTree::iterator _it;
 108
 109 };
 110
 111 } // anonymous namespace
 112
 113 DisplayObject::InfoTree::iterator
 114 DisplayObjectContainer::getMovieInfo(InfoTree& tr, InfoTree::iterator it)
 115 {
 116     InfoTree::iterator selfIt = DisplayObject::getMovieInfo(tr, it);
 117     std::ostringstream os;
 118     os << _displayList.size();
 119     InfoTree::iterator localIter = tr.append_child(selfIt,
 120             std::make_pair(_("Children"), os.str()));
 121
 122     MovieInfoVisitor v(tr, localIter);
 123     _displayList.visitAll(v);
 124
 125     return selfIt;
 126
 127 }
 128
 129 #endif // USE_SWFTREE
 130
 131 } // namespace gnash