xref: /trunk/main/sdext/source/presenter/PresenterPaneBorderManager.hxx (revision 91144cd0085a7583d2099b982122deb2184ab956)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 #ifndef SDEXT_PRESENTER_PRESENTER_PANE_BORDER_MANAGER_HXX
25 #define SDEXT_PRESENTER_PRESENTER_PANE_BORDER_MANAGER_HXX
26 
27 // The body of this file is only used when PresenterWindowManager defines
28 // the preprocessor symbol ENABLE_PANE_RESIZING, which by default is not the
29 // case.
30 #ifdef ENABLE_PANE_RESIZING
31 
32 #include <cppuhelper/basemutex.hxx>
33 #include <cppuhelper/compbase3.hxx>
34 #include <com/sun/star/awt/Point.hpp>
35 #include <com/sun/star/awt/Size.hpp>
36 #include <com/sun/star/awt/XGraphics.hpp>
37 #include <com/sun/star/awt/XMouseListener.hpp>
38 #include <com/sun/star/awt/XMouseMotionListener.hpp>
39 #include <com/sun/star/awt/XPointer.hpp>
40 #include <com/sun/star/awt/XWindowListener.hpp>
41 #include <com/sun/star/container/XChild.hpp>
42 #include <com/sun/star/drawing/XPresenterHelper.hpp>
43 #include <com/sun/star/drawing/framework/XPane.hpp>
44 #include <com/sun/star/lang/XInitialization.hpp>
45 #include <com/sun/star/uno/XComponentContext.hpp>
46 #include <com/sun/star/rendering/XCanvas.hpp>
47 #include <rtl/ref.hxx>
48 #include <tools/svborder.hxx>
49 #include <boost/noncopyable.hpp>
50 #include <boost/shared_ptr.hpp>
51 
52 namespace css = ::com::sun::star;
53 
54 
55 namespace sdext { namespace presenter {
56 
57 class PresenterController;
58 
59 namespace {
60     typedef ::cppu::WeakComponentImplHelper3 <
61         css::lang::XInitialization,
62         css::awt::XMouseListener,
63         css::awt::XMouseMotionListener
64     > PresenterPaneBorderManagerInterfaceBase;
65 }
66 
67 
68 /** Manage the interactive moving and resizing of panes.
69 */
70 class PresenterPaneBorderManager
71     : private ::boost::noncopyable,
72       protected ::cppu::BaseMutex,
73       public PresenterPaneBorderManagerInterfaceBase
74 {
75 public:
76     PresenterPaneBorderManager (
77         const css::uno::Reference<css::uno::XComponentContext>& rxContext,
78         const ::rtl::Reference<PresenterController>& rpPresenterController);
79     virtual ~PresenterPaneBorderManager (void);
80 
81     virtual void SAL_CALL disposing (void);
82 
83 
84     static ::rtl::OUString getImplementationName_static (void);
85     static css::uno::Sequence< ::rtl::OUString > getSupportedServiceNames_static (void);
86     static css::uno::Reference<css::uno::XInterface> Create(
87         const css::uno::Reference<css::uno::XComponentContext>& rxContext);
88 
89 
90     // XInitialization
91 
92     virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments);
93 
94 
95     // XMouseListener
96 
97     virtual void SAL_CALL mousePressed (const css::awt::MouseEvent& rEvent);
98 
99     virtual void SAL_CALL mouseReleased (const css::awt::MouseEvent& rEvent);
100 
101     virtual void SAL_CALL mouseEntered (const css::awt::MouseEvent& rEvent);
102 
103     virtual void SAL_CALL mouseExited (const css::awt::MouseEvent& rEvent);
104 
105 
106     // XMouseMotionListener
107 
108     virtual void SAL_CALL mouseMoved (const css::awt::MouseEvent& rEvent);
109 
110     virtual void SAL_CALL mouseDragged (const css::awt::MouseEvent& rEvent);
111 
112 
113     // lang::XEventListener
114     virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent);
115 
116 
117 private:
118     enum BorderElement { Top, TopLeft, TopRight, Left, Right, BottomLeft, BottomRight, Bottom,
119                          Content, Outside };
120 
121     ::rtl::Reference<PresenterController> mpPresenterController;
122     css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
123     css::uno::Reference<css::drawing::XPresenterHelper> mxPresenterHelper;
124     /** The parent window is stored so that it can be invalidated when one
125         of its children is resized or moved.  It is assumed to be the parent
126         window of all outer windows stored in maWindowList.
127     */
128     css::uno::Reference<css::awt::XWindow> mxParentWindow;
129     typedef ::std::pair<css::uno::Reference<css::awt::XWindow>,
130         css::uno::Reference<css::awt::XWindow> > WindowDescriptor;
131     typedef ::std::vector<WindowDescriptor> WindowList;
132     WindowList maWindowList;
133 
134     sal_Int32 mnPointerType;
135     css::awt::Point maDragAnchor;
136     BorderElement meDragType;
137     css::uno::Reference<css::awt::XWindow> mxOuterDragWindow;
138     css::uno::Reference<css::awt::XWindow> mxInnerDragWindow;
139     css::uno::Reference<css::awt::XPointer> mxPointer;
140 
141     BorderElement ClassifyBorderElementUnderMouse (
142         const css::uno::Reference<css::awt::XWindow>& rxOuterDragWindow,
143         const css::uno::Reference<css::awt::XWindow>& rxInnerDragWindow,
144         const css::awt::Point aPosition) const;
145     void CreateWindows (const css::uno::Reference<css::awt::XWindow>& rxParentWindow);
146     void CaptureMouse (const css::uno::Reference<css::awt::XWindow>& rxWindow);
147     void ReleaseMouse (const css::uno::Reference<css::awt::XWindow>& rxWindow);
148 
149     /** This method throws a DisposedException when the object has already been
150         disposed.
151     */
152     void ThrowIfDisposed (void);
153 };
154 
155 } } // end of namespace ::sd::presenter
156 
157 #endif // ENABLE_PANE_RESIZING
158 
159 #endif
160