1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski  *
3*b1cdbd2cSJim Jagielski  * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski  * or more contributor license agreements.  See the NOTICE file
5*b1cdbd2cSJim Jagielski  * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski  * regarding copyright ownership.  The ASF licenses this file
7*b1cdbd2cSJim Jagielski  * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski  * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski  * with the License.  You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski  *
11*b1cdbd2cSJim Jagielski  *   http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski  *
13*b1cdbd2cSJim Jagielski  * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski  * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski  * KIND, either express or implied.  See the License for the
17*b1cdbd2cSJim Jagielski  * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski  * under the License.
19*b1cdbd2cSJim Jagielski  *
20*b1cdbd2cSJim Jagielski  *************************************************************/
21*b1cdbd2cSJim Jagielski 
22*b1cdbd2cSJim Jagielski 
23*b1cdbd2cSJim Jagielski 
24*b1cdbd2cSJim Jagielski #ifndef INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX
25*b1cdbd2cSJim Jagielski #define INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX
26*b1cdbd2cSJim Jagielski 
27*b1cdbd2cSJim Jagielski #include <boost/shared_ptr.hpp>
28*b1cdbd2cSJim Jagielski 
29*b1cdbd2cSJim Jagielski /* Definition of UserPaintEventHandler interface */
30*b1cdbd2cSJim Jagielski 
31*b1cdbd2cSJim Jagielski namespace slideshow
32*b1cdbd2cSJim Jagielski {
33*b1cdbd2cSJim Jagielski     namespace internal
34*b1cdbd2cSJim Jagielski     {
35*b1cdbd2cSJim Jagielski         class RGBColor;
36*b1cdbd2cSJim Jagielski 
37*b1cdbd2cSJim Jagielski         /** Interface for handling user paint state changes.
38*b1cdbd2cSJim Jagielski 
39*b1cdbd2cSJim Jagielski         	Classes implementing this interface can be added to an
40*b1cdbd2cSJim Jagielski         	EventMultiplexer object, and are called from there to
41*b1cdbd2cSJim Jagielski         	handle user paint events.
42*b1cdbd2cSJim Jagielski          */
43*b1cdbd2cSJim Jagielski         class UserPaintEventHandler
44*b1cdbd2cSJim Jagielski         {
45*b1cdbd2cSJim Jagielski         public:
~UserPaintEventHandler()46*b1cdbd2cSJim Jagielski             virtual ~UserPaintEventHandler() {}
47*b1cdbd2cSJim Jagielski             virtual bool colorChanged( RGBColor const& rUserColor ) = 0;
48*b1cdbd2cSJim Jagielski 	    virtual bool widthChanged( double nUserStrokeWidth ) = 0;
49*b1cdbd2cSJim Jagielski 	    virtual bool eraseAllInkChanged(bool const& rEraseAllInk) =0;
50*b1cdbd2cSJim Jagielski             virtual bool eraseInkWidthChanged(sal_Int32 rEraseInkSize) =0;
51*b1cdbd2cSJim Jagielski             virtual bool switchEraserMode() = 0;
52*b1cdbd2cSJim Jagielski             virtual bool switchPenMode() = 0;
53*b1cdbd2cSJim Jagielski             virtual bool disable() = 0;
54*b1cdbd2cSJim Jagielski         };
55*b1cdbd2cSJim Jagielski 
56*b1cdbd2cSJim Jagielski         typedef ::boost::shared_ptr< UserPaintEventHandler > UserPaintEventHandlerSharedPtr;
57*b1cdbd2cSJim Jagielski 
58*b1cdbd2cSJim Jagielski     }
59*b1cdbd2cSJim Jagielski }
60*b1cdbd2cSJim Jagielski 
61*b1cdbd2cSJim Jagielski #endif /* INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX */
62