diff options
Diffstat (limited to 'indra/llmath/lltreenode.h')
| -rw-r--r-- | indra/llmath/lltreenode.h | 250 |
1 files changed, 125 insertions, 125 deletions
diff --git a/indra/llmath/lltreenode.h b/indra/llmath/lltreenode.h index ce104b88a0..5875e9e8e0 100644 --- a/indra/llmath/lltreenode.h +++ b/indra/llmath/lltreenode.h @@ -1,125 +1,125 @@ -/** - * @file lltreenode.h - * - * $LicenseInfo:firstyear=2005&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#ifndef LL_LLTREENODE_H -#define LL_LLTREENODE_H - -#include "stdtypes.h" -#include "xform.h" -#include "llpointer.h" -#include "llrefcount.h" - -#include <vector> - -template <class T> class LLTreeNode; -template <class T> class LLTreeTraveler; -template <class T> class LLTreeListener; - -template <class T> -class LLTreeListener: public LLRefCount -{ -public: - virtual void handleInsertion(const LLTreeNode<T>* node, T* data) = 0; - virtual void handleRemoval(const LLTreeNode<T>* node, T* data) = 0; - virtual void handleDestruction(const LLTreeNode<T>* node) = 0; - virtual void handleStateChange(const LLTreeNode<T>* node) = 0; -}; - -template <class T> -class LLTreeNode -{ -public: - virtual ~LLTreeNode(); - - virtual bool insert(T* data); - virtual bool remove(T* data); - virtual void notifyRemoval(T* data); - virtual U32 hasListeners() const { return !mListeners.empty(); } - virtual U32 getListenerCount() const { return mListeners.size(); } - virtual LLTreeListener<T>* getListener(U32 index) const - { - if (index < mListeners.size()) - { - return mListeners[index]; - } - return NULL; - } - virtual void addListener(LLTreeListener<T>* listener) { mListeners.push_back(listener); } - -protected: - void destroyListeners() - { - for (U32 i = 0; i < mListeners.size(); i++) - { - mListeners[i]->handleDestruction(this); - } - mListeners.clear(); - } - -public: - std::vector<LLPointer<LLTreeListener<T> > > mListeners; -}; - -template <class T> -class LLTreeTraveler -{ -public: - virtual ~LLTreeTraveler() { }; - virtual void traverse(const LLTreeNode<T>* node) = 0; - virtual void visit(const LLTreeNode<T>* node) = 0; -}; - -template <class T> -LLTreeNode<T>::~LLTreeNode() -{ - destroyListeners(); -}; - -template <class T> -bool LLTreeNode<T>::insert(T* data) -{ - for (U32 i = 0; i < mListeners.size(); i++) - { - mListeners[i]->handleInsertion(this, data); - } - return true; -}; - -template <class T> -bool LLTreeNode<T>::remove(T* data) -{ - return true; -}; - -template <class T> -void LLTreeNode<T>::notifyRemoval(T* data) -{ - for (U32 i = 0; i < mListeners.size(); i++) - { - mListeners[i]->handleRemoval(this, data); - } -} - -#endif +/**
+ * @file lltreenode.h
+ *
+ * $LicenseInfo:firstyear=2005&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLTREENODE_H
+#define LL_LLTREENODE_H
+
+#include "stdtypes.h"
+#include "xform.h"
+#include "llpointer.h"
+#include "llrefcount.h"
+
+#include <vector>
+
+template <class T> class LLTreeNode;
+template <class T> class LLTreeTraveler;
+template <class T> class LLTreeListener;
+
+template <class T>
+class LLTreeListener: public LLRefCount
+{
+public:
+ virtual void handleInsertion(const LLTreeNode<T>* node, T* data) = 0;
+ virtual void handleRemoval(const LLTreeNode<T>* node, T* data) = 0;
+ virtual void handleDestruction(const LLTreeNode<T>* node) = 0;
+ virtual void handleStateChange(const LLTreeNode<T>* node) = 0;
+};
+
+template <class T>
+class LLTreeNode
+{
+public:
+ virtual ~LLTreeNode();
+
+ virtual bool insert(T* data);
+ virtual bool remove(T* data);
+ virtual void notifyRemoval(T* data);
+ virtual U32 hasListeners() const { return !mListeners.empty(); }
+ virtual U32 getListenerCount() const { return mListeners.size(); }
+ virtual LLTreeListener<T>* getListener(U32 index) const
+ {
+ if (index < mListeners.size())
+ {
+ return mListeners[index];
+ }
+ return NULL;
+ }
+ virtual void addListener(LLTreeListener<T>* listener) { mListeners.push_back(listener); }
+
+protected:
+ void destroyListeners()
+ {
+ for (U32 i = 0; i < mListeners.size(); i++)
+ {
+ mListeners[i]->handleDestruction(this);
+ }
+ mListeners.clear();
+ }
+
+public:
+ std::vector<LLPointer<LLTreeListener<T> > > mListeners;
+};
+
+template <class T>
+class LLTreeTraveler
+{
+public:
+ virtual ~LLTreeTraveler() { };
+ virtual void traverse(const LLTreeNode<T>* node) = 0;
+ virtual void visit(const LLTreeNode<T>* node) = 0;
+};
+
+template <class T>
+LLTreeNode<T>::~LLTreeNode()
+{
+ destroyListeners();
+};
+
+template <class T>
+bool LLTreeNode<T>::insert(T* data)
+{
+ for (U32 i = 0; i < mListeners.size(); i++)
+ {
+ mListeners[i]->handleInsertion(this, data);
+ }
+ return true;
+};
+
+template <class T>
+bool LLTreeNode<T>::remove(T* data)
+{
+ return true;
+};
+
+template <class T>
+void LLTreeNode<T>::notifyRemoval(T* data)
+{
+ for (U32 i = 0; i < mListeners.size(); i++)
+ {
+ mListeners[i]->handleRemoval(this, data);
+ }
+}
+
+#endif
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