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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 : #include <boost/current_function.hpp>
22 : #include <canvas/canvastools.hxx>
23 :
24 : #include <comphelper/anytostring.hxx>
25 : #include <cppuhelper/exc_hlp.hxx>
26 :
27 : #include <basegfx/point/b2dpoint.hxx>
28 : #include <basegfx/vector/b2dvector.hxx>
29 :
30 : #include <com/sun/star/rendering/XCanvas.hpp>
31 : #include <com/sun/star/presentation/XSlideShowView.hpp>
32 :
33 : #include "waitsymbol.hxx"
34 : #include "eventmultiplexer.hxx"
35 :
36 : #include <o3tl/compat_functional.hxx>
37 : #include <algorithm>
38 :
39 :
40 : using namespace com::sun::star;
41 :
42 : namespace slideshow {
43 : namespace internal {
44 :
45 : const sal_Int32 LEFT_BORDER_SPACE = 10;
46 : const sal_Int32 LOWER_BORDER_SPACE = 10;
47 :
48 0 : WaitSymbolSharedPtr WaitSymbol::create( const uno::Reference<rendering::XBitmap>& xBitmap,
49 : ScreenUpdater& rScreenUpdater,
50 : EventMultiplexer& rEventMultiplexer,
51 : const UnoViewContainer& rViewContainer )
52 : {
53 : WaitSymbolSharedPtr pRet(
54 : new WaitSymbol( xBitmap,
55 : rScreenUpdater,
56 0 : rViewContainer ));
57 :
58 0 : rEventMultiplexer.addViewHandler( pRet );
59 :
60 0 : return pRet;
61 : }
62 :
63 0 : WaitSymbol::WaitSymbol( uno::Reference<rendering::XBitmap> const & xBitmap,
64 : ScreenUpdater& rScreenUpdater,
65 : const UnoViewContainer& rViewContainer ) :
66 : mxBitmap(xBitmap),
67 : maViews(),
68 : mrScreenUpdater( rScreenUpdater ),
69 0 : mbVisible(false)
70 : {
71 : std::for_each( rViewContainer.begin(),
72 : rViewContainer.end(),
73 : boost::bind( &WaitSymbol::viewAdded,
74 : this,
75 0 : _1 ));
76 0 : }
77 :
78 0 : void WaitSymbol::setVisible( const bool bVisible )
79 : {
80 0 : if( mbVisible != bVisible )
81 : {
82 0 : mbVisible = bVisible;
83 :
84 0 : ViewsVecT::const_iterator aIter( maViews.begin() );
85 0 : ViewsVecT::const_iterator const aEnd ( maViews.end() );
86 0 : while( aIter != aEnd )
87 : {
88 0 : if( aIter->second )
89 : {
90 0 : if( bVisible )
91 0 : aIter->second->show();
92 : else
93 0 : aIter->second->hide();
94 : }
95 :
96 0 : ++aIter;
97 : }
98 :
99 : // sprites changed, need a screen update for this frame.
100 0 : mrScreenUpdater.requestImmediateUpdate();
101 : }
102 0 : }
103 :
104 0 : basegfx::B2DPoint WaitSymbol::calcSpritePos(
105 : UnoViewSharedPtr const & rView ) const
106 : {
107 0 : const awt::Rectangle aViewArea( rView->getUnoView()->getCanvasArea() );
108 : return basegfx::B2DPoint(
109 0 : aViewArea.X + std::min<sal_Int32>( aViewArea.Width, LEFT_BORDER_SPACE ),
110 0 : aViewArea.X + std::max<sal_Int32>( 0,
111 : aViewArea.Height
112 0 : - mxBitmap->getSize().Height
113 0 : - LOWER_BORDER_SPACE ) );
114 : }
115 :
116 0 : void WaitSymbol::viewAdded( const UnoViewSharedPtr& rView )
117 : {
118 0 : cppcanvas::CustomSpriteSharedPtr sprite;
119 :
120 : try
121 : {
122 0 : const geometry::IntegerSize2D spriteSize( mxBitmap->getSize() );
123 0 : sprite = rView->createSprite( basegfx::B2DVector( spriteSize.Width,
124 : spriteSize.Height ),
125 0 : 1000.0 ); // sprite should be in front of all
126 : // other sprites
127 0 : rendering::ViewState viewState;
128 0 : canvas::tools::initViewState( viewState );
129 0 : rendering::RenderState renderState;
130 0 : canvas::tools::initRenderState( renderState );
131 0 : sprite->getContentCanvas()->getUNOCanvas()->drawBitmap(
132 0 : mxBitmap, viewState, renderState );
133 :
134 0 : sprite->setAlpha( 0.9 );
135 0 : sprite->movePixel( calcSpritePos( rView ) );
136 0 : if( mbVisible )
137 0 : sprite->show();
138 : }
139 0 : catch( uno::Exception& )
140 : {
141 : OSL_FAIL( OUStringToOString(
142 : comphelper::anyToString( cppu::getCaughtException() ),
143 : RTL_TEXTENCODING_UTF8 ).getStr() );
144 : }
145 :
146 0 : maViews.push_back( ViewsVecT::value_type( rView, sprite ) );
147 0 : }
148 :
149 0 : void WaitSymbol::viewRemoved( const UnoViewSharedPtr& rView )
150 : {
151 : maViews.erase(
152 : std::remove_if(
153 : maViews.begin(), maViews.end(),
154 : boost::bind(
155 : std::equal_to<UnoViewSharedPtr>(),
156 : rView,
157 : // select view:
158 : boost::bind( o3tl::select1st<ViewsVecT::value_type>(), _1 ) ) ),
159 0 : maViews.end() );
160 0 : }
161 :
162 0 : void WaitSymbol::viewChanged( const UnoViewSharedPtr& rView )
163 : {
164 : // find entry corresponding to modified view
165 : ViewsVecT::iterator aModifiedEntry(
166 : std::find_if(
167 : maViews.begin(),
168 : maViews.end(),
169 : boost::bind(
170 : std::equal_to<UnoViewSharedPtr>(),
171 : rView,
172 : // select view:
173 0 : boost::bind( o3tl::select1st<ViewsVecT::value_type>(), _1 ))));
174 :
175 : OSL_ASSERT( aModifiedEntry != maViews.end() );
176 0 : if( aModifiedEntry == maViews.end() )
177 0 : return;
178 :
179 0 : if( aModifiedEntry->second )
180 0 : aModifiedEntry->second->movePixel(
181 0 : calcSpritePos(aModifiedEntry->first) );
182 : }
183 :
184 0 : void WaitSymbol::viewsChanged()
185 : {
186 : // reposition sprites on all views
187 0 : ViewsVecT::const_iterator aIter( maViews.begin() );
188 0 : ViewsVecT::const_iterator const aEnd ( maViews.end() );
189 0 : while( aIter != aEnd )
190 : {
191 0 : if( aIter->second )
192 0 : aIter->second->movePixel(
193 0 : calcSpritePos( aIter->first ));
194 0 : ++aIter;
195 : }
196 0 : }
197 :
198 : } // namespace internal
199 0 : } // namespace slideshow
200 :
201 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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