Initial community commit

Src/Wasabi/api/syscb/cbmgr.cpp

@@ -0,0 +1,41 @@
+#include <precomp.h>
+#ifndef NOCBMGR 
+#include "cbmgr.h"
+#include <api/syscb/callbacks/syscb.h>
+
+#include <bfc/multimap.h>
+
+static MultiMap<int, SysCallback> cblist;
+static PtrList<SysCallback> delete_list;
+static int reentry_counter=0;
+
+void CallbackManager::registerCallback(SysCallback *cb, void *param, WaComponent *owner) {
+  cblist.multiAddItem(cb->getEventType(), cb, TRUE);
+}
+
+void CallbackManager::deregisterCallback(SysCallback *cb, WaComponent *owner) {
+  delete_list.addItem(cb);
+  cblist.multiDelItem(cb->getEventType(), cb);	// remove ref
+}
+
+void CallbackManager::issueCallback(int eventtype, int msg, int param1, int param2) {
+  ASSERT(reentry_counter >= 0);
+  reentry_counter++;
+  const PtrList<SysCallback> *mlist = cblist.getListForIndex(eventtype);
+  if (mlist != NULL) {
+    foreach(mlist)
+      SysCallback *cb = mlist->getfor();
+      ASSERT(cb != NULL);
+      if (!delete_list.haveItem(cb))
+        cb->notify(msg, param1, param2);
+    endfor
+  }
+  reentry_counter--;
+  if (reentry_counter == 0)
+    delete_list.removeAll();
+}
+
+int CallbackManager::getNumCallbacks() {
+  return cblist.getNumItems();
+}
+#endif