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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 :
21 : // must be first
22 : #include <canvas/debug.hxx>
23 : #include <canvas/verbosetrace.hxx>
24 : #include <canvas/canvastools.hxx>
25 :
26 : #include <com/sun/star/drawing/XShape.hpp>
27 :
28 : #include "mediashape.hxx"
29 : #include "viewmediashape.hxx"
30 : #include "externalshapebase.hxx"
31 : #include "slideshowcontext.hxx"
32 : #include "shape.hxx"
33 : #include "tools.hxx"
34 :
35 : #include <boost/bind.hpp>
36 : #include <algorithm>
37 :
38 :
39 : using namespace ::com::sun::star;
40 :
41 :
42 : namespace slideshow
43 : {
44 : namespace internal
45 : {
46 : /** Represents a media shape.
47 :
48 : This implementation offers support for media shapes.
49 : Such shapes need special treatment.
50 : */
51 0 : class MediaShape : public ExternalShapeBase
52 : {
53 : public:
54 : /** Create a shape for the given XShape for a media object
55 :
56 : @param xShape
57 : The XShape to represent.
58 :
59 : @param nPrio
60 : Externally-determined shape priority (used e.g. for
61 : paint ordering). This number _must be_ unique!
62 : */
63 : MediaShape( const ::com::sun::star::uno::Reference<
64 : ::com::sun::star::drawing::XShape >& xShape,
65 : double nPrio,
66 : const SlideShowContext& rContext ); // throw ShapeLoadFailedException;
67 :
68 : private:
69 :
70 : // View layer methods
71 : //------------------------------------------------------------------
72 :
73 : virtual void addViewLayer( const ViewLayerSharedPtr& rNewLayer,
74 : bool bRedrawLayer );
75 : virtual bool removeViewLayer( const ViewLayerSharedPtr& rNewLayer );
76 : virtual bool clearAllViewLayers();
77 :
78 :
79 : // ExternalShapeBase methods
80 : //------------------------------------------------------------------
81 :
82 : virtual bool implRender( const ::basegfx::B2DRange& rCurrBounds ) const;
83 : virtual void implViewChanged( const UnoViewSharedPtr& rView );
84 : virtual void implViewsChanged();
85 : virtual bool implStartIntrinsicAnimation();
86 : virtual bool implEndIntrinsicAnimation();
87 : virtual bool implPauseIntrinsicAnimation();
88 : virtual bool implIsIntrinsicAnimationPlaying() const;
89 : virtual void implSetIntrinsicAnimationTime(double);
90 :
91 : /// the list of active view shapes (one for each registered view layer)
92 : typedef ::std::vector< ViewMediaShapeSharedPtr > ViewMediaShapeVector;
93 : ViewMediaShapeVector maViewMediaShapes;
94 : bool mbIsPlaying;
95 : };
96 :
97 :
98 0 : MediaShape::MediaShape( const uno::Reference< drawing::XShape >& xShape,
99 : double nPrio,
100 : const SlideShowContext& rContext ) :
101 : ExternalShapeBase( xShape, nPrio, rContext ),
102 : maViewMediaShapes(),
103 0 : mbIsPlaying(false)
104 : {
105 0 : }
106 :
107 : // ---------------------------------------------------------------------
108 :
109 0 : void MediaShape::implViewChanged( const UnoViewSharedPtr& rView )
110 : {
111 : // determine ViewMediaShape that needs update
112 0 : ViewMediaShapeVector::const_iterator aIter(maViewMediaShapes.begin());
113 0 : ViewMediaShapeVector::const_iterator const aEnd (maViewMediaShapes.end());
114 0 : while( aIter != aEnd )
115 : {
116 0 : if( (*aIter)->getViewLayer()->isOnView(rView) )
117 0 : (*aIter)->resize(getBounds());
118 :
119 0 : ++aIter;
120 : }
121 0 : }
122 :
123 : // ---------------------------------------------------------------------
124 :
125 0 : void MediaShape::implViewsChanged()
126 : {
127 : // resize all ViewShapes
128 : ::std::for_each( maViewMediaShapes.begin(),
129 : maViewMediaShapes.end(),
130 : ::boost::bind(
131 : &ViewMediaShape::resize,
132 : _1,
133 0 : ::boost::cref( getBounds())) );
134 0 : }
135 :
136 : // ---------------------------------------------------------------------
137 :
138 0 : void MediaShape::addViewLayer( const ViewLayerSharedPtr& rNewLayer,
139 : bool bRedrawLayer )
140 : {
141 : maViewMediaShapes.push_back(
142 : ViewMediaShapeSharedPtr( new ViewMediaShape( rNewLayer,
143 0 : getXShape(),
144 0 : mxComponentContext )));
145 :
146 : // push new size to view shape
147 0 : maViewMediaShapes.back()->resize( getBounds() );
148 :
149 : // render the Shape on the newly added ViewLayer
150 0 : if( bRedrawLayer )
151 0 : maViewMediaShapes.back()->render( getBounds() );
152 0 : }
153 :
154 : // ---------------------------------------------------------------------
155 :
156 0 : bool MediaShape::removeViewLayer( const ViewLayerSharedPtr& rLayer )
157 : {
158 0 : const ViewMediaShapeVector::iterator aEnd( maViewMediaShapes.end() );
159 :
160 : OSL_ENSURE( ::std::count_if(maViewMediaShapes.begin(),
161 : aEnd,
162 : ::boost::bind<bool>(
163 : ::std::equal_to< ViewLayerSharedPtr >(),
164 : ::boost::bind( &ViewMediaShape::getViewLayer, _1 ),
165 : ::boost::cref( rLayer ) ) ) < 2,
166 : "MediaShape::removeViewLayer(): Duplicate ViewLayer entries!" );
167 :
168 0 : ViewMediaShapeVector::iterator aIter;
169 :
170 0 : if( (aIter=::std::remove_if( maViewMediaShapes.begin(),
171 : aEnd,
172 : ::boost::bind<bool>(
173 : ::std::equal_to< ViewLayerSharedPtr >(),
174 : ::boost::bind( &ViewMediaShape::getViewLayer,
175 : _1 ),
176 0 : ::boost::cref( rLayer ) ) )) == aEnd )
177 : {
178 : // view layer seemingly was not added, failed
179 0 : return false;
180 : }
181 :
182 : // actually erase from container
183 0 : maViewMediaShapes.erase( aIter, aEnd );
184 :
185 0 : return true;
186 : }
187 :
188 : // ---------------------------------------------------------------------
189 :
190 0 : bool MediaShape::clearAllViewLayers()
191 : {
192 0 : maViewMediaShapes.clear();
193 0 : return true;
194 : }
195 :
196 : // ---------------------------------------------------------------------
197 :
198 0 : bool MediaShape::implRender( const ::basegfx::B2DRange& rCurrBounds ) const
199 : {
200 : // redraw all view shapes, by calling their update() method
201 0 : if( ::std::count_if( maViewMediaShapes.begin(),
202 : maViewMediaShapes.end(),
203 : ::boost::bind<bool>(
204 : ::boost::mem_fn( &ViewMediaShape::render ),
205 : _1,
206 0 : ::boost::cref( rCurrBounds ) ) )
207 0 : != static_cast<ViewMediaShapeVector::difference_type>(maViewMediaShapes.size()) )
208 : {
209 : // at least one of the ViewShape::update() calls did return
210 : // false - update failed on at least one ViewLayer
211 0 : return false;
212 : }
213 :
214 0 : return true;
215 : }
216 :
217 : // ---------------------------------------------------------------------
218 :
219 0 : bool MediaShape::implStartIntrinsicAnimation()
220 : {
221 : ::std::for_each( maViewMediaShapes.begin(),
222 : maViewMediaShapes.end(),
223 0 : ::boost::mem_fn( &ViewMediaShape::startMedia ) );
224 :
225 0 : mbIsPlaying = true;
226 :
227 0 : return true;
228 : }
229 :
230 : // ---------------------------------------------------------------------
231 :
232 0 : bool MediaShape::implEndIntrinsicAnimation()
233 : {
234 : ::std::for_each( maViewMediaShapes.begin(),
235 : maViewMediaShapes.end(),
236 0 : ::boost::mem_fn( &ViewMediaShape::endMedia ) );
237 :
238 0 : mbIsPlaying = false;
239 :
240 0 : return true;
241 : }
242 :
243 : // ---------------------------------------------------------------------
244 :
245 0 : bool MediaShape::implPauseIntrinsicAnimation()
246 : {
247 : ::std::for_each( maViewMediaShapes.begin(),
248 : maViewMediaShapes.end(),
249 0 : ::boost::mem_fn( &ViewMediaShape::pauseMedia ) );
250 :
251 0 : mbIsPlaying = false;
252 :
253 0 : return true;
254 : }
255 :
256 : // ---------------------------------------------------------------------
257 :
258 0 : bool MediaShape::implIsIntrinsicAnimationPlaying() const
259 : {
260 0 : return mbIsPlaying;
261 : }
262 :
263 : // ---------------------------------------------------------------------
264 :
265 0 : void MediaShape::implSetIntrinsicAnimationTime(double fTime)
266 : {
267 : ::std::for_each( maViewMediaShapes.begin(),
268 : maViewMediaShapes.end(),
269 : ::boost::bind( &ViewMediaShape::setMediaTime,
270 0 : _1, boost::cref(fTime)) );
271 0 : }
272 :
273 : // ---------------------------------------------------------------------
274 :
275 0 : ShapeSharedPtr createMediaShape(
276 : const uno::Reference< drawing::XShape >& xShape,
277 : double nPrio,
278 : const SlideShowContext& rContext)
279 : {
280 : boost::shared_ptr< MediaShape > pMediaShape(
281 0 : new MediaShape(xShape, nPrio, rContext));
282 :
283 0 : return pMediaShape;
284 : }
285 :
286 : }
287 0 : }
288 :
289 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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