X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMoof%2FDispatch.hh;h=e357f0263e65d33aac5ec81972f9437e22abf0a5;hp=031f77d0bc65507aee31bfdff50afd4d0f057050;hb=c78934a448d0126709fccec3d5a636b3baa87da4;hpb=a295f8def17036c8071b56e181364f99a377cae7

diff --git a/src/Moof/Dispatch.hh b/src/Moof/Dispatch.hh
index 031f77d..e357f02 100644
--- a/src/Moof/Dispatch.hh
+++ b/src/Moof/Dispatch.hh
@@ -1,30 +1,13 @@
 
-/*******************************************************************************
-
- Copyright (c) 2009, Charles McGarvey
- All rights reserved.
- 
- Redistribution   and   use  in  source  and  binary  forms,  with  or  without
- modification, are permitted provided that the following conditions are met:
- 
-   * Redistributions  of  source  code  must retain the above copyright notice,
-     this list of conditions and the following disclaimer.
-   * Redistributions  in binary form must reproduce the above copyright notice,
-     this  list of conditions and the following disclaimer in the documentation
-     and/or other materials provided with the distribution.
- 
- THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*******************************************************************************/
+/*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
+**]  All rights reserved.
+*
+* vi:ts=4 sw=4 tw=75
+*
+* Distributable under the terms and conditions of the 2-clause BSD license;
+* see the file COPYING for a complete text of the license.
+*
+**************************************************************************/
 
 #ifndef _MOOF_DISPATCH_HH_
 #define _MOOF_DISPATCH_HH_
@@ -34,6 +17,7 @@
 #include <boost/bind.hpp>
 #include <boost/function.hpp>
 #include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
 
 
 namespace Mf {
@@ -48,47 +32,40 @@ class Dispatch
 	class Impl;
 	boost::shared_ptr<Impl> mImpl;
 
-	void removeHandler(unsigned id);
+	void removeTarget(unsigned id);
 
-public:
-
-	/**
-	 * Interface for a notification class.
-	 */
-
-	class Message
-	{
-	public:
-		virtual ~Message() {};
-	};
 
+public:
 
-	class Handler
+	class Handle
 	{
 	public:
 
-		Handler() :
-			mDispatch(0),
+		Handle() :
 			mId(0) {}
 
-		Handler(Impl* dispatch, unsigned id) :
+		Handle(boost::weak_ptr<Impl> dispatch, unsigned id) :
 			mDispatch(dispatch),
 			mId(id) {}
 
-		Handler(const Handler& handler) :
-			mDispatch(handler.mDispatch),
-			mId(handler.mId)
+		Handle(const Handle& handle) :
+			mDispatch(handle.mDispatch),
+			mId(handle.mId)
 		{
-			handler.mId = 0;
+			handle.mId = 0;
 		}
 
-		~Handler();
+		~Handle()
+		{
+			clear();
+		}
 
-		Handler& operator = (const Handler& handler)
+		Handle& operator = (const Handle& handle)
 		{
-			mDispatch = handler.mDispatch;
-			mId = handler.mId;
-			handler.mId = 0;
+			clear();
+			mDispatch = handle.mDispatch;
+			mId = handle.mId;
+			handle.mId = 0;
 			return *this;
 		}
 
@@ -96,24 +73,27 @@ public:
 		{
 			return mId;
 		}
+
+		void clear();
 	
 	private:
 
-		Impl*				mDispatch;
-		mutable unsigned	mId;
-
+		boost::weak_ptr<Impl>	mDispatch;
+		mutable unsigned		mId;
 	};
 
-	typedef boost::function<void(const Message*)> Function;
+	typedef boost::function<void(void)> Function;
 
 
 	Dispatch();
 
-	Handler addHandler(const std::string& event, const Function& callback);
-	Handler addHandler(const std::string& event, const Function& callback,
-			Handler handler);
+	Handle addTarget(const std::string& event, const Function& callback);
+	Handle addTarget(const std::string& event, const Function& callback,
+					   Handle handle);
+
+	void dispatch(const std::string& event);
 
-	void dispatch(const std::string& event, const Message* message = 0);
+	static Dispatch& global();
 };
 
 
@@ -121,5 +101,3 @@ public:
 
 #endif // _MOOF_DISPATCH_HH_
 
-/** vim: set ts=4 sw=4 tw=80: *************************************************/
-