sd/source/ui/slidesorter/inc/view/SlsInsertionIndicatorOverlay.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   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
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  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 INCLUDED_SD_SOURCE_UI_SLIDESORTER_INC_VIEW_SLSINSERTIONINDICATOROVERLAY_HXX
  21 #define INCLUDED_SD_SOURCE_UI_SLIDESORTER_INC_VIEW_SLSINSERTIONINDICATOROVERLAY_HXX
  22
  23 #include "model/SlsSharedPageDescriptor.hxx"
  24 #include "view/SlsILayerPainter.hxx"
  25 #include "controller/SlsTransferableData.hxx"
  26 #include "sdxfer.hxx"
  27
  28 #include <tools/gen.hxx>
  29 #include <vcl/bitmapex.hxx>
  30 #include <boost/scoped_ptr.hpp>
  31 #include <boost/enable_shared_from_this.hpp>
  32 #include <vector>
  33
  34 class OutputDevice;
  35
  36 namespace sd { namespace slidesorter {
  37 class SlideSorter;
  38 } }
  39
  40 namespace sd { namespace slidesorter { namespace controller {
  41 class Transferable;
  42 } } }
  43
  44 namespace sd { namespace slidesorter { namespace view {
  45
  46 class FramePainter;
  47
  48 /** The insertion indicator is painted as a vertical or horizonal bar
  49     in the space between slides.
  50 */
  51 class InsertionIndicatorOverlay
  52     : public ILayerPainter,
  53       public ::boost::enable_shared_from_this<InsertionIndicatorOverlay>
  54 {
  55 public:
  56     InsertionIndicatorOverlay (SlideSorter& rSlideSorter);
  57     virtual ~InsertionIndicatorOverlay();
  58
  59     virtual void SetLayerInvalidator (const SharedILayerInvalidator& rpInvalidator) SAL_OVERRIDE;
  60
  61     void Create (const SdTransferable* pTransferable);
  62
  63     /** Given a position in model coordinates this method calculates the
  64         insertion marker both as an index in the document and as a location
  65         used for drawing the insertion indicator.
  66     */
  67     void SetLocation (const Point& rPosition);
  68
  69     Size GetSize() const;
  70
  71     virtual void Paint (
  72         OutputDevice& rDevice,
  73         const Rectangle& rRepaintArea) SAL_OVERRIDE;
  74
  75     bool IsVisible() const { return mbIsVisible;}
  76     void Hide();
  77     void Show();
  78
  79     Rectangle GetBoundingBox() const;
  80
  81 private:
  82     SlideSorter& mrSlideSorter;
  83     bool mbIsVisible;
  84     const sal_Int32 mnLayerIndex;
  85     SharedILayerInvalidator mpLayerInvalidator;
  86     // Center of the insertion indicator.
  87     Point maLocation;
  88     BitmapEx maIcon;
  89     Point maIconOffset;
  90     ::boost::scoped_ptr<FramePainter> mpShadowPainter;
  91
  92     void SetPositionAndSize (const Rectangle& rBoundingBox);
  93     Point PaintRepresentatives (
  94         OutputDevice& rContent,
  95         const Size& rPreviewSize,
  96         const sal_Int32 nOffset,
  97         const ::std::vector<controller::TransferableData::Representative>& rPages) const;
  98     void PaintPageCount (
  99         OutputDevice& rDevice,
 100         const sal_Int32 nSelectionCount,
 101         const Size& rPreviewSize,
 102         const Point& rFirstPageOffset) const;
 103     /** Setup the insertion indicator by creating the icon.  It consists of
 104         scaled down previews of some of the selected pages.
 105     */
 106     void Create (
 107         const ::std::vector<controller::TransferableData::Representative>& rPages,
 108         const sal_Int32 nSelectionCount);
 109 };
 110
 111 } } } // end of namespace ::sd::slidesorter::view
 112
 113 #endif
 114
 115 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */