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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <editeng/unoedhlp.hxx>
21 : #include <svx/svdoutl.hxx>
22 :
23 : #include <AccessibleOutlineEditSource.hxx>
24 : #include "OutlineView.hxx"
25 : #include <svx/sdrpaintwindow.hxx>
26 :
27 : namespace accessibility
28 : {
29 :
30 0 : AccessibleOutlineEditSource::AccessibleOutlineEditSource(
31 : SdrOutliner& rOutliner,
32 : SdrView& rView,
33 : OutlinerView& rOutlView,
34 : const ::Window& rViewWindow )
35 : : mrView( rView ),
36 : mrWindow( rViewWindow ),
37 : mpOutliner( &rOutliner ),
38 : mpOutlinerView( &rOutlView ),
39 : mTextForwarder( rOutliner, 0 ),
40 0 : mViewForwarder( rOutlView )
41 : {
42 : // register as listener - need to broadcast state change messages
43 0 : rOutliner.SetNotifyHdl( LINK(this, AccessibleOutlineEditSource, NotifyHdl) );
44 0 : StartListening(rOutliner);
45 0 : }
46 :
47 0 : AccessibleOutlineEditSource::~AccessibleOutlineEditSource()
48 : {
49 0 : if( mpOutliner )
50 0 : mpOutliner->SetNotifyHdl( Link() );
51 0 : Broadcast( TextHint( SFX_HINT_DYING ) );
52 0 : }
53 :
54 0 : SvxEditSource* AccessibleOutlineEditSource::Clone() const
55 : {
56 0 : return NULL;
57 : }
58 :
59 0 : SvxTextForwarder* AccessibleOutlineEditSource::GetTextForwarder()
60 : {
61 : // TODO: maybe suboptimal
62 0 : if( IsValid() )
63 0 : return &mTextForwarder;
64 : else
65 0 : return NULL;
66 : }
67 :
68 0 : SvxViewForwarder* AccessibleOutlineEditSource::GetViewForwarder()
69 : {
70 : // TODO: maybe suboptimal
71 0 : if( IsValid() )
72 0 : return this;
73 : else
74 0 : return NULL;
75 : }
76 :
77 0 : SvxEditViewForwarder* AccessibleOutlineEditSource::GetEditViewForwarder( sal_Bool )
78 : {
79 : // TODO: maybe suboptimal
80 0 : if( IsValid() )
81 : {
82 : // ignore parameter, we're always in edit mode here
83 0 : return &mViewForwarder;
84 : }
85 : else
86 0 : return NULL;
87 : }
88 :
89 0 : void AccessibleOutlineEditSource::UpdateData()
90 : {
91 : // NOOP, since we're always working on the 'real' outliner,
92 : // i.e. changes are immediately reflected on the screen
93 0 : }
94 :
95 0 : SfxBroadcaster& AccessibleOutlineEditSource::GetBroadcaster() const
96 : {
97 0 : return *( const_cast< AccessibleOutlineEditSource* > (this) );
98 : }
99 :
100 0 : sal_Bool AccessibleOutlineEditSource::IsValid() const
101 : {
102 0 : if( mpOutliner && mpOutlinerView )
103 : {
104 : // Our view still on outliner?
105 : sal_uLong nCurrView, nViews;
106 :
107 0 : for( nCurrView=0, nViews=mpOutliner->GetViewCount(); nCurrView<nViews; ++nCurrView )
108 : {
109 0 : if( mpOutliner->GetView(nCurrView) == mpOutlinerView )
110 0 : return sal_True;
111 : }
112 : }
113 :
114 0 : return sal_False;
115 : }
116 :
117 0 : Rectangle AccessibleOutlineEditSource::GetVisArea() const
118 : {
119 0 : if( IsValid() )
120 : {
121 0 : SdrPaintWindow* pPaintWindow = mrView.FindPaintWindow(mrWindow);
122 0 : Rectangle aVisArea;
123 :
124 0 : if(pPaintWindow)
125 : {
126 0 : aVisArea = pPaintWindow->GetVisibleArea();
127 : }
128 :
129 0 : MapMode aMapMode(mrWindow.GetMapMode());
130 0 : aMapMode.SetOrigin(Point());
131 0 : return mrWindow.LogicToPixel( aVisArea, aMapMode );
132 : }
133 :
134 0 : return Rectangle();
135 : }
136 :
137 0 : Point AccessibleOutlineEditSource::LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const
138 : {
139 0 : if( IsValid() && mrView.GetModel() )
140 : {
141 : Point aPoint( OutputDevice::LogicToLogic( rPoint, rMapMode,
142 0 : MapMode(mrView.GetModel()->GetScaleUnit()) ) );
143 0 : MapMode aMapMode(mrWindow.GetMapMode());
144 0 : aMapMode.SetOrigin(Point());
145 0 : return mrWindow.LogicToPixel( aPoint, aMapMode );
146 : }
147 :
148 0 : return Point();
149 : }
150 :
151 0 : Point AccessibleOutlineEditSource::PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const
152 : {
153 0 : if( IsValid() && mrView.GetModel() )
154 : {
155 0 : MapMode aMapMode(mrWindow.GetMapMode());
156 0 : aMapMode.SetOrigin(Point());
157 0 : Point aPoint( mrWindow.PixelToLogic( rPoint, aMapMode ) );
158 : return OutputDevice::LogicToLogic( aPoint,
159 : MapMode(mrView.GetModel()->GetScaleUnit()),
160 0 : rMapMode );
161 : }
162 :
163 0 : return Point();
164 : }
165 :
166 0 : void AccessibleOutlineEditSource::Notify( SfxBroadcaster& rBroadcaster, const SfxHint& rHint )
167 : {
168 0 : bool bDispose = false;
169 :
170 0 : if( &rBroadcaster == mpOutliner )
171 : {
172 0 : const SfxSimpleHint* pHint = dynamic_cast< const SfxSimpleHint * >( &rHint );
173 0 : if( pHint && (pHint->GetId() == SFX_HINT_DYING) )
174 : {
175 0 : bDispose = true;
176 0 : mpOutliner = NULL;
177 : }
178 : }
179 : else
180 : {
181 0 : const SdrHint* pSdrHint = dynamic_cast< const SdrHint* >( &rHint );
182 :
183 0 : if( pSdrHint && ( pSdrHint->GetKind() == HINT_MODELCLEARED ) )
184 : {
185 : // model is dying under us, going defunc
186 0 : bDispose = true;
187 : }
188 : }
189 :
190 0 : if( bDispose )
191 : {
192 0 : if( mpOutliner )
193 0 : mpOutliner->SetNotifyHdl( Link() );
194 0 : mpOutliner = NULL;
195 0 : mpOutlinerView = NULL;
196 0 : Broadcast( TextHint( SFX_HINT_DYING ) );
197 : }
198 0 : }
199 :
200 0 : IMPL_LINK(AccessibleOutlineEditSource, NotifyHdl, EENotify*, aNotify)
201 : {
202 0 : if( aNotify )
203 : {
204 0 : ::std::auto_ptr< SfxHint > aHint( SvxEditSourceHelper::EENotification2Hint( aNotify) );
205 :
206 0 : if( aHint.get() )
207 0 : Broadcast( *aHint.get() );
208 : }
209 :
210 0 : return 0;
211 : }
212 :
213 : } // end of namespace accessibility
214 :
215 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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