1 files changed, 77 insertions, 0 deletions
diff --git a/plugins/!NotAdopted/WinterSpeak/general/observer/subject.cpp b/plugins/!NotAdopted/WinterSpeak/general/observer/subject.cpp
new file mode 100644
index 0000000000..e28c66c44b
--- /dev/null
+++ b/plugins/!NotAdopted/WinterSpeak/general/observer/subject.cpp
@@ -0,0 +1,77 @@
+//==============================================================================
+// General Code, © 2002 Ryan Winter
+//==============================================================================
+
+#include "subject.h"
+
+#include <general/debug/debug.h>
+
+//------------------------------------------------------------------------------
+// public:
+//------------------------------------------------------------------------------
+Subject::Subject()
+    :
+    m_observer_list()
+{
+    CLASSCERR("Subject::Subject");
+}
+
+//------------------------------------------------------------------------------
+Subject::~Subject()
+{
+    CLASSCERR("Subject::~Subject");
+}
+
+//------------------------------------------------------------------------------
+void
+Subject::notify()
+{
+    CLASSCERR("Subject::notify");
+
+    // call update for all observers in the list
+    for (std::list<Observer *>::iterator iter = m_observer_list.begin();
+        iter != m_observer_list.end();
+        ++iter)
+    {
+        (*iter)->update(*this);
+    }
+}
+
+//------------------------------------------------------------------------------
+void
+Subject::attach(Observer &observer)
+{
+    CLASSCERR("Subject::attach(" << &observer << ")");
+
+    for (std::list<Observer *>::iterator iter = m_observer_list.begin();
+        iter != m_observer_list.end();
+        ++iter)
+    {
+        if (*iter == &observer)
+        {
+            return;
+        }
+    }
+
+    m_observer_list.push_back(&observer);
+}
+
+//------------------------------------------------------------------------------
+void
+Subject::detach(const Observer &observer)
+{
+    CLASSCERR("Subject::detach(" << &observer << ")");
+
+    for (std::list<Observer *>::iterator iter = m_observer_list.begin();
+        iter != m_observer_list.end();
+        ++iter)
+    {
+        if (*iter == &observer)
+        {
+            m_observer_list.erase(iter);
+        }
+    }
+}
+
+//==============================================================================
+