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