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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 vcl::Window& rViewWindow )
35 : : mrView( rView ),
36 : mrWindow( rViewWindow ),
37 : mpOutliner( &rOutliner ),
38 : mpOutlinerView( &rOutlView ),
39 : mTextForwarder( rOutliner, false ),
40 0 : mViewForwarder( rOutlView )
41 : {
42 : // register as listener - need to broadcast state change messages
43 : // Moved to ::GetTextForwarder()
44 : //rOutliner.SetNotifyHdl( LINK(this, AccessibleOutlineEditSource, NotifyHdl) );
45 0 : StartListening(rOutliner);
46 0 : }
47 :
48 0 : AccessibleOutlineEditSource::~AccessibleOutlineEditSource()
49 : {
50 0 : if( mpOutliner )
51 0 : mpOutliner->SetNotifyHdl( Link<>() );
52 0 : Broadcast( TextHint( SFX_HINT_DYING ) );
53 0 : }
54 :
55 0 : SvxEditSource* AccessibleOutlineEditSource::Clone() const
56 : {
57 0 : return new AccessibleOutlineEditSource(*mpOutliner, mrView, *mpOutlinerView, mrWindow);
58 : }
59 :
60 0 : SvxTextForwarder* AccessibleOutlineEditSource::GetTextForwarder()
61 : {
62 : // TODO: maybe suboptimal
63 0 : if( IsValid() )
64 : {
65 : // Moved here to make sure that
66 : // the NotifyHandler was set on the current object.
67 0 : mpOutliner->SetNotifyHdl( LINK(this, AccessibleOutlineEditSource, NotifyHdl) );
68 0 : return &mTextForwarder;
69 : }
70 : else
71 0 : return NULL;
72 : }
73 :
74 0 : SvxViewForwarder* AccessibleOutlineEditSource::GetViewForwarder()
75 : {
76 : // TODO: maybe suboptimal
77 0 : if( IsValid() )
78 0 : return this;
79 : else
80 0 : return NULL;
81 : }
82 :
83 0 : SvxEditViewForwarder* AccessibleOutlineEditSource::GetEditViewForwarder( bool )
84 : {
85 : // TODO: maybe suboptimal
86 0 : if( IsValid() )
87 : {
88 : // ignore parameter, we're always in edit mode here
89 0 : return &mViewForwarder;
90 : }
91 : else
92 0 : return NULL;
93 : }
94 :
95 0 : void AccessibleOutlineEditSource::UpdateData()
96 : {
97 : // NOOP, since we're always working on the 'real' outliner,
98 : // i.e. changes are immediately reflected on the screen
99 0 : }
100 :
101 0 : SfxBroadcaster& AccessibleOutlineEditSource::GetBroadcaster() const
102 : {
103 0 : return *( const_cast< AccessibleOutlineEditSource* > (this) );
104 : }
105 :
106 0 : bool AccessibleOutlineEditSource::IsValid() const
107 : {
108 0 : if( mpOutliner && mpOutlinerView )
109 : {
110 : // Our view still on outliner?
111 : sal_uLong nCurrView, nViews;
112 :
113 0 : for( nCurrView=0, nViews=mpOutliner->GetViewCount(); nCurrView<nViews; ++nCurrView )
114 : {
115 0 : if( mpOutliner->GetView(nCurrView) == mpOutlinerView )
116 0 : return true;
117 : }
118 : }
119 :
120 0 : return false;
121 : }
122 :
123 0 : Rectangle AccessibleOutlineEditSource::GetVisArea() const
124 : {
125 0 : if( IsValid() )
126 : {
127 0 : SdrPaintWindow* pPaintWindow = mrView.FindPaintWindow(mrWindow);
128 0 : Rectangle aVisArea;
129 :
130 0 : if(pPaintWindow)
131 : {
132 0 : aVisArea = pPaintWindow->GetVisibleArea();
133 : }
134 :
135 0 : MapMode aMapMode(mrWindow.GetMapMode());
136 0 : aMapMode.SetOrigin(Point());
137 0 : return mrWindow.LogicToPixel( aVisArea, aMapMode );
138 : }
139 :
140 0 : return Rectangle();
141 : }
142 :
143 0 : Point AccessibleOutlineEditSource::LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const
144 : {
145 0 : if( IsValid() && mrView.GetModel() )
146 : {
147 : Point aPoint( OutputDevice::LogicToLogic( rPoint, rMapMode,
148 0 : MapMode(mrView.GetModel()->GetScaleUnit()) ) );
149 0 : MapMode aMapMode(mrWindow.GetMapMode());
150 0 : aMapMode.SetOrigin(Point());
151 0 : return mrWindow.LogicToPixel( aPoint, aMapMode );
152 : }
153 :
154 0 : return Point();
155 : }
156 :
157 0 : Point AccessibleOutlineEditSource::PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const
158 : {
159 0 : if( IsValid() && mrView.GetModel() )
160 : {
161 0 : MapMode aMapMode(mrWindow.GetMapMode());
162 0 : aMapMode.SetOrigin(Point());
163 0 : Point aPoint( mrWindow.PixelToLogic( rPoint, aMapMode ) );
164 : return OutputDevice::LogicToLogic( aPoint,
165 : MapMode(mrView.GetModel()->GetScaleUnit()),
166 0 : rMapMode );
167 : }
168 :
169 0 : return Point();
170 : }
171 :
172 0 : void AccessibleOutlineEditSource::Notify( SfxBroadcaster& rBroadcaster, const SfxHint& rHint )
173 : {
174 0 : bool bDispose = false;
175 :
176 0 : if( &rBroadcaster == mpOutliner )
177 : {
178 0 : const SfxSimpleHint* pHint = dynamic_cast< const SfxSimpleHint * >( &rHint );
179 0 : if( pHint && (pHint->GetId() == SFX_HINT_DYING) )
180 : {
181 0 : bDispose = true;
182 0 : mpOutliner = NULL;
183 : }
184 : }
185 : else
186 : {
187 0 : const SdrHint* pSdrHint = dynamic_cast< const SdrHint* >( &rHint );
188 :
189 0 : if( pSdrHint && ( pSdrHint->GetKind() == HINT_MODELCLEARED ) )
190 : {
191 : // model is dying under us, going defunc
192 0 : bDispose = true;
193 : }
194 : }
195 :
196 0 : if( bDispose )
197 : {
198 0 : if( mpOutliner )
199 0 : mpOutliner->SetNotifyHdl( Link<>() );
200 0 : mpOutliner = NULL;
201 0 : mpOutlinerView = NULL;
202 0 : Broadcast( TextHint( SFX_HINT_DYING ) );
203 : }
204 0 : }
205 :
206 0 : IMPL_LINK(AccessibleOutlineEditSource, NotifyHdl, EENotify*, aNotify)
207 : {
208 0 : if( aNotify )
209 : {
210 0 : ::std::unique_ptr< SfxHint > aHint( SvxEditSourceHelper::EENotification2Hint( aNotify) );
211 :
212 0 : if( aHint.get() )
213 0 : Broadcast( *aHint.get() );
214 : }
215 :
216 0 : return 0;
217 : }
218 :
219 66 : } // end of namespace accessibility
220 :
221 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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