slideshow/source/engine/slideoverlaybutton.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   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 #pragma once
  21
  22 #include <sal/config.h>
  23
  24 #include <eventmultiplexer.hxx>
  25 #include <mouseeventhandler.hxx>
  26 #include <screenupdater.hxx>
  27 #include <unoview.hxx>
  28 #include <vieweventhandler.hxx>
  29
  30 #include <basegfx/point/b2dpoint.hxx>
  31 #include <cppcanvas/sprite.hxx>
  32
  33 #include <com/sun/star/rendering/XBitmap.hpp>
  34 #include <com/sun/star/awt/Point.hpp>
  35
  36 #include <functional>
  37 #include <memory>
  38 #include <vector>
  39
  40 namespace slideshow::internal
  41 {
  42 class EventMultiplexer;
  43 typedef std::shared_ptr<class SlideOverlayButton> SlideOverlayButtonSharedPtr;
  44
  45 class SlideOverlayButton : public ViewEventHandler, public MouseEventHandler
  46 {
  47 public:
  48     SlideOverlayButton(const SlideOverlayButton&) = delete;
  49     SlideOverlayButton& operator=(const SlideOverlayButton&) = delete;
  50
  51     static SlideOverlayButtonSharedPtr
  52     create(const css::uno::Reference<css::rendering::XBitmap>& xIconBitmap,
  53            const css::awt::Point& rPosition,
  54            const std::function<void(basegfx::B2DPoint)>& clickHandler,
  55            ScreenUpdater& rScreenUpdater, EventMultiplexer& rEventMultiplexer,
  56            const UnoViewContainer& rViewContainer);
  57
  58     /** Shows button icon.
  59      */
  60     void show() { setVisible(true); }
  61
  62     /** Hides button icon.
  63      */
  64     void hide() { setVisible(false); }
  65
  66     css::geometry::IntegerSize2D getSize() const;
  67     basegfx::B2DPoint calcSpritePos(UnoViewSharedPtr const& rView) const;
  68
  69 private:
  70     SlideOverlayButton(css::uno::Reference<css::rendering::XBitmap> xIconBitmap,
  71                        css::awt::Point pPosition,
  72                        std::function<void(basegfx::B2DPoint)> clickHandler,
  73                        ScreenUpdater& rScreenUpdater, EventMultiplexer& rEventMultiplexer,
  74                        const UnoViewContainer& rViewContainer);
  75
  76     // ViewEventHandler
  77     virtual void viewAdded(const UnoViewSharedPtr& rView) override;
  78     virtual void viewRemoved(const UnoViewSharedPtr& rView) override;
  79     virtual void viewChanged(const UnoViewSharedPtr& rView) override;
  80     virtual void viewsChanged() override;
  81
  82     // MouseEventHandler
  83     virtual bool handleMousePressed(const css::awt::MouseEvent& e) override;
  84     virtual bool handleMouseReleased(const css::awt::MouseEvent& e) override;
  85     virtual bool handleMouseDragged(const css::awt::MouseEvent& e) override;
  86     virtual bool handleMouseMoved(const css::awt::MouseEvent& e) override;
  87
  88     void setVisible(const bool bVisible);
  89
  90     typedef std::vector<std::pair<UnoViewSharedPtr, cppcanvas::CustomSpriteSharedPtr>> ViewsVecT;
  91
  92     css::uno::Reference<css::rendering::XBitmap> mxIconBitmap;
  93     EventMultiplexer& mrEventMultiplexer;
  94     css::awt::Point mpPosition;
  95     std::function<void(basegfx::B2DPoint)> mClickHandler;
  96
  97     ViewsVecT maViews;
  98     ScreenUpdater& mrScreenUpdater;
  99     bool mbVisible = false;
 100     sal_Int32 mnIgnoreClicksCnt = 0;
 101 };
 102 }
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */