summaryrefslogtreecommitdiffstats
path: root/slideshow/source/engine/shapes/mediashape.cxx
blob: 55c302bc683c07df94e01f891b2db870d96387e6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


#include <com/sun/star/drawing/XShape.hpp>

#include "mediashape.hxx"
#include "viewmediashape.hxx"
#include "externalshapebase.hxx"
#include <slideshowcontext.hxx>
#include <shape.hxx>
#include <tools.hxx>

#include <algorithm>


using namespace ::com::sun::star;


namespace slideshow::internal
{
        namespace {

        /** Represents a media shape.

            This implementation offers support for media shapes.
            Such shapes need special treatment.
         */
        class MediaShape : public ExternalShapeBase
        {
        public:
            /** Create a shape for the given XShape for a media object

                @param xShape
                The XShape to represent.

                @param nPrio
                Externally-determined shape priority (used e.g. for
                paint ordering). This number _must be_ unique!
             */
            MediaShape( const css::uno::Reference< css::drawing::XShape >& xShape,
                        double                                      nPrio,
                        const SlideShowContext&                     rContext ); // throw ShapeLoadFailedException;

        private:

            // View layer methods


            virtual void addViewLayer( const ViewLayerSharedPtr&    rNewLayer,
                                       bool                         bRedrawLayer ) override;
            virtual bool removeViewLayer( const ViewLayerSharedPtr& rNewLayer ) override;
            virtual void clearAllViewLayers() override;


            // ExternalShapeBase methods


            virtual bool implRender( const ::basegfx::B2DRange& rCurrBounds ) const override;
            virtual void implViewChanged( const UnoViewSharedPtr& rView ) override;
            virtual void implViewsChanged() override;
            virtual bool implStartIntrinsicAnimation() override;
            virtual bool implEndIntrinsicAnimation() override;
            virtual void implPauseIntrinsicAnimation() override;
            virtual bool implIsIntrinsicAnimationPlaying() const override;
            virtual void implSetIntrinsicAnimationTime(double) override;

            /// the list of active view shapes (one for each registered view layer)
            typedef ::std::vector< ViewMediaShapeSharedPtr > ViewMediaShapeVector;
            ViewMediaShapeVector                             maViewMediaShapes;
            bool                                             mbIsPlaying;
        };

        }

        MediaShape::MediaShape( const uno::Reference< drawing::XShape >& xShape,
                                  double                                     nPrio,
                                const SlideShowContext&                  rContext ) :
            ExternalShapeBase( xShape, nPrio, rContext ),
            maViewMediaShapes(),
            mbIsPlaying(false)
        {
        }


        void MediaShape::implViewChanged( const UnoViewSharedPtr& rView )
        {
            const ::basegfx::B2DRectangle& rBounds = getBounds();
            // determine ViewMediaShape that needs update
            for( const auto& pViewMediaShape : maViewMediaShapes )
                if( pViewMediaShape->getViewLayer()->isOnView( rView ) )
                    pViewMediaShape->resize( rBounds );
        }


        void MediaShape::implViewsChanged()
        {
            const ::basegfx::B2DRectangle& rBounds = getBounds();
            // resize all ViewShapes
            for( const auto& pViewMediaShape : maViewMediaShapes )
                pViewMediaShape->resize( rBounds );
        }


        void MediaShape::addViewLayer( const ViewLayerSharedPtr& rNewLayer,
                                       bool                      bRedrawLayer )
        {
            maViewMediaShapes.push_back(
                std::make_shared<ViewMediaShape>( rNewLayer,
                                                  getXShape(),
                                                  mxComponentContext ));

            // push new size to view shape
            maViewMediaShapes.back()->resize( getBounds() );

            // render the Shape on the newly added ViewLayer
            if( bRedrawLayer )
                maViewMediaShapes.back()->render( getBounds() );
        }


        bool MediaShape::removeViewLayer( const ViewLayerSharedPtr& rLayer )
        {
            const ViewMediaShapeVector::iterator aEnd( maViewMediaShapes.end() );

            OSL_ENSURE( ::std::count_if(maViewMediaShapes.begin(),
                                        aEnd,
                                        [&rLayer]
                                        ( const ViewMediaShapeSharedPtr& pShape )
                                        { return rLayer == pShape->getViewLayer(); } ) < 2,
                        "MediaShape::removeViewLayer(): Duplicate ViewLayer entries!" );

            ViewMediaShapeVector::iterator aIter;

            if( (aIter=::std::remove_if( maViewMediaShapes.begin(),
                                         aEnd,
                                         [&rLayer]
                                         ( const ViewMediaShapeSharedPtr& pShape )
                                         { return rLayer == pShape->getViewLayer(); } ) ) == aEnd )
            {
                // view layer seemingly was not added, failed
                return false;
            }

            // actually erase from container
            maViewMediaShapes.erase( aIter, aEnd );

            return true;
        }


        void MediaShape::clearAllViewLayers()
        {
            maViewMediaShapes.clear();
        }


        bool MediaShape::implRender( const ::basegfx::B2DRange& rCurrBounds ) const
        {
            // redraw all view shapes, by calling their update() method
            if( ::std::count_if( maViewMediaShapes.begin(),
                                 maViewMediaShapes.end(),
                                 [&rCurrBounds]
                                 ( const ViewMediaShapeSharedPtr& pShape )
                                 { return pShape->render( rCurrBounds ); } )
                != static_cast<ViewMediaShapeVector::difference_type>(maViewMediaShapes.size()) )
            {
                // at least one of the ViewShape::update() calls did return
                // false - update failed on at least one ViewLayer
                return false;
            }

            return true;
        }


        bool MediaShape::implStartIntrinsicAnimation()
        {
            for( const auto& pViewMediaShape : maViewMediaShapes )
                pViewMediaShape->startMedia();

            mbIsPlaying = true;

            return true;
        }


        bool MediaShape::implEndIntrinsicAnimation()
        {
            for( const auto& pViewMediaShape : maViewMediaShapes )
                pViewMediaShape->endMedia();

            mbIsPlaying = false;

            return true;
        }


        void MediaShape::implPauseIntrinsicAnimation()
        {
            for( const auto& pViewMediaShape : maViewMediaShapes )
                pViewMediaShape->pauseMedia();

            mbIsPlaying = false;
        }


        bool MediaShape::implIsIntrinsicAnimationPlaying() const
        {
            return mbIsPlaying;
        }


        void MediaShape::implSetIntrinsicAnimationTime(double fTime)
        {
            for( const auto& pViewMediaShape : maViewMediaShapes )
                pViewMediaShape->setMediaTime( fTime );
        }


        ShapeSharedPtr createMediaShape(
            const uno::Reference< drawing::XShape >& xShape,
            double                                   nPrio,
            const SlideShowContext&                  rContext)
        {
            return std::make_shared<MediaShape>(xShape, nPrio, rContext);
        }

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */