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             : #ifndef WAITSYMBOL_HXX_INCLUDED
      21             : #define WAITSYMBOL_HXX_INCLUDED
      22             : 
      23             : #include <com/sun/star/rendering/XBitmap.hpp>
      24             : #include <cppcanvas/customsprite.hxx>
      25             : 
      26             : #include "vieweventhandler.hxx"
      27             : #include "screenupdater.hxx"
      28             : #include "eventmultiplexer.hxx"
      29             : #include "unoview.hxx"
      30             : 
      31             : #include <boost/shared_ptr.hpp>
      32             : #include <boost/bind.hpp>
      33             : #include <boost/utility.hpp>
      34             : #include <vector>
      35             : 
      36             : namespace slideshow {
      37             : namespace internal {
      38             : 
      39             : class EventMultiplexer;
      40             : typedef boost::shared_ptr<class WaitSymbol> WaitSymbolSharedPtr;
      41             : 
      42             : /// On-screen 'hour glass' for when slideshow is unresponsive
      43           0 : class WaitSymbol : public ViewEventHandler,
      44             :                    private ::boost::noncopyable
      45             : {
      46             : public:
      47             :     static WaitSymbolSharedPtr create( const ::com::sun::star::uno::Reference<
      48             :                                              ::com::sun::star::rendering::XBitmap>& xBitmap,
      49             :                                        ScreenUpdater&                               rScreenUpdater,
      50             :                                        EventMultiplexer&                            rEventMultiplexer,
      51             :                                        const UnoViewContainer&                      rViewContainer );
      52             : 
      53             :     /** Shows the wait symbol.
      54             :      */
      55           0 :     void show() { setVisible(true); }
      56             : 
      57             :     /** Hides the wait symbol.
      58             :      */
      59           0 :     void hide() { setVisible(false); }
      60             : 
      61             : private:
      62             :     WaitSymbol( const ::com::sun::star::uno::Reference<
      63             :                       ::com::sun::star::rendering::XBitmap>& xBitmap,
      64             :                 ScreenUpdater&                               rScreenUpdater,
      65             :                 const UnoViewContainer&                      rViewContainer );
      66             : 
      67             :     // ViewEventHandler
      68             :     virtual void viewAdded( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
      69             :     virtual void viewRemoved( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
      70             :     virtual void viewChanged( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
      71             :     virtual void viewsChanged() SAL_OVERRIDE;
      72             : 
      73             :     void setVisible( const bool bVisible );
      74             :     ::basegfx::B2DPoint calcSpritePos( UnoViewSharedPtr const & rView ) const;
      75             : 
      76             :     template <typename func_type>
      77             :     void for_each_sprite( func_type const & func ) const
      78             :     {
      79             :         ViewsVecT::const_iterator iPos( maViews.begin() );
      80             :         const ViewsVecT::const_iterator iEnd( maViews.end() );
      81             :         for ( ; iPos != iEnd; ++iPos )
      82             :             if( iPos->second )
      83             :                 func( iPos->second );
      84             :     }
      85             : 
      86             :     typedef ::std::vector<
      87             :         ::std::pair<UnoViewSharedPtr,
      88             :                     cppcanvas::CustomSpriteSharedPtr> > ViewsVecT;
      89             : 
      90             :     ::com::sun::star::uno::Reference<
      91             :         ::com::sun::star::rendering::XBitmap>  mxBitmap;
      92             : 
      93             :     ViewsVecT                                  maViews;
      94             :     ScreenUpdater&                             mrScreenUpdater;
      95             :     bool                                       mbVisible;
      96             : };
      97             : 
      98             : } // namespace internal
      99             : } // namespace presentation
     100             : 
     101             : #endif
     102             : 
     103             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */