libcore/DisplayObjectContainer.cpp

   1 // DisplayObjectContainer.h: Container of DisplayObjects.
   2 //
   3 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Free Software
   4 //   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" // GNASH_USE_GC, USE_SWFTREE
  23 #endif
  24
  25 #include "DisplayList.h" // DisplayList
  26 #include "DisplayObjectContainer.h"
  27 #include "InteractiveObject.h"
  28 #include "log.h"
  29 #include "dsodefs.h" // for DSOEXPORT
  30
  31 namespace gnash {
  32
  33 DisplayObjectContainer::~DisplayObjectContainer()
  34 {
  35 }
  36
  37 DisplayObject*
  38 DisplayObjectContainer::removeChild(DisplayObject* obj)
  39 {
  40     _displayList.removeDisplayObject(obj);
  41     obj->set_parent(0);
  42     return obj;
  43 }
  44
  45 DisplayObject*
  46 DisplayObjectContainer::removeChildAt(int index)
  47 {
  48     DisplayObject* obj = _displayList.removeDisplayObjectAt(index);
  49     if (obj) obj->set_parent(0);
  50
  51     return obj;
  52 }
  53
  54 DisplayObject*
  55 DisplayObjectContainer::addChild(DisplayObject* obj)
  56 {
  57     // TODO: parent should be a DisplayObjectContainer; remove dynamic_cast.
  58     DisplayObjectContainer* parent =
  59         dynamic_cast<DisplayObjectContainer*>(obj->parent());
  60     if (parent) parent->removeChild(obj);
  61
  62     _displayList.addDisplayObject(obj);
  63     obj->set_parent(this);
  64     return obj;
  65 }
  66
  67
  68 DisplayObject*
  69 DisplayObjectContainer::addChildAt(DisplayObject* obj, int index)
  70 {
  71     // TODO: parent should be a DisplayObjectContainer; remove dynamic_cast.
  72     DisplayObjectContainer* parent =
  73         dynamic_cast<DisplayObjectContainer*>(obj->parent());
  74     if (parent) parent->removeChild(obj);
  75
  76     _displayList.insertDisplayObject(obj, index);
  77     obj->set_parent(this);
  78     return obj;
  79 }
  80
  81
  82 #ifdef USE_SWFTREE
  83
  84 namespace {
  85
  86 class MovieInfoVisitor
  87 {
  88
  89 public:
  90     MovieInfoVisitor(DisplayObject::InfoTree& tr,
  91             DisplayObject::InfoTree::iterator it)
  92         :
  93         _tr(tr),
  94         _it(it)
  95     {}
  96
  97     void operator()(DisplayObject* ch) {
  98         ch->getMovieInfo(_tr, _it);
  99     }
 100
 101 private:
 102
 103     DisplayObject::InfoTree& _tr;
 104     DisplayObject::InfoTree::iterator _it;
 105
 106 };
 107
 108 } // anonymous namespace
 109
 110 DisplayObject::InfoTree::iterator
 111 DisplayObjectContainer::getMovieInfo(InfoTree& tr, InfoTree::iterator it)
 112 {
 113     InfoTree::iterator selfIt = DisplayObject::getMovieInfo(tr, it);
 114     std::ostringstream os;
 115     os << _displayList.size();
 116     InfoTree::iterator localIter = tr.append_child(selfIt,
 117             StringPair(_("Children"), os.str()));
 118     //localIter = tr.append_child(localIter, StringPair("child1", "fake"));
 119     //localIter = tr.append_child(localIter, StringPair("child2", "fake"));
 120
 121     MovieInfoVisitor v(tr, localIter);
 122     _displayList.visitAll(v);
 123
 124     return selfIt;
 125
 126 }
 127
 128 #endif // USE_SWFTREE
 129
 130 } // namespace gnash