xbmc/pictures/GUIWindowSlideShow.h

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "SlideShowPicture.h"
  12 #include "guilib/GUIDialog.h"
  13 #include "threads/Event.h"
  14 #include "threads/Thread.h"
  15 #include "utils/SortUtils.h"
  16
  17 #include <memory>
  18 #include <set>
  19
  20 class CFileItemList;
  21 class CVariant;
  22
  23 class CGUIWindowSlideShow;
  24
  25 class CBackgroundPicLoader : public CThread
  26 {
  27 public:
  28   CBackgroundPicLoader();
  29   ~CBackgroundPicLoader() override;
  30
  31   void Create(CGUIWindowSlideShow *pCallback);
  32   void LoadPic(int iPic, int iSlideNumber, const std::string &strFileName, const int maxWidth, const int maxHeight);
  33   bool IsLoading() { return m_isLoading; }
  34   int SlideNumber() const { return m_iSlideNumber; }
  35   int Pic() const { return m_iPic; }
  36
  37 private:
  38   void Process() override;
  39   int m_iPic;
  40   int m_iSlideNumber;
  41   std::string m_strFileName;
  42   int m_maxWidth;
  43   int m_maxHeight;
  44
  45   CEvent m_loadPic;
  46   bool m_isLoading;
  47
  48   CGUIWindowSlideShow *m_pCallback;
  49 };
  50
  51 class CGUIWindowSlideShow : public CGUIDialog
  52 {
  53 public:
  54   CGUIWindowSlideShow(void);
  55   ~CGUIWindowSlideShow() override = default;
  56
  57   bool OnMessage(CGUIMessage& message) override;
  58   EVENT_RESULT OnMouseEvent(const CPoint &point, const CMouseEvent &event) override;
  59   bool OnAction(const CAction &action) override;
  60   void Render() override;
  61   void RenderEx() override;
  62   void Process(unsigned int currentTime, CDirtyRegionList &regions) override;
  63   void OnDeinitWindow(int nextWindowID) override;
  64
  65   void Reset();
  66   void Add(const CFileItem *picture);
  67   bool IsPlaying() const;
  68   void Select(const std::string& strPicture);
  69   void GetSlideShowContents(CFileItemList &list);
  70   std::shared_ptr<const CFileItem> GetCurrentSlide();
  71   void RunSlideShow(const std::string &strPath, bool bRecursive = false,
  72                     bool bRandom = false, bool bNotRandom = false,
  73                     const std::string &beginSlidePath="", bool startSlideShow = true,
  74                     SortBy method = SortByLabel,
  75                     SortOrder order = SortOrderAscending,
  76                     SortAttribute sortAttributes = SortAttributeNone,
  77                     const std::string &strExtensions="");
  78   void AddFromPath(const std::string &strPath, bool bRecursive,
  79                    SortBy method = SortByLabel,
  80                    SortOrder order = SortOrderAscending,
  81                    SortAttribute sortAttributes = SortAttributeNone,
  82                    const std::string &strExtensions="");
  83   void StartSlideShow();
  84   bool InSlideShow() const;
  85   void OnLoadPic(int iPic,
  86                  int iSlideNumber,
  87                  const std::string& strFileName,
  88                  std::unique_ptr<CTexture> pTexture,
  89                  bool bFullSize);
  90   int NumSlides() const;
  91   int CurrentSlide() const;
  92   void Shuffle();
  93   bool IsPaused() const { return m_bPause; }
  94   bool IsShuffled() const { return m_bShuffled; }
  95   int GetDirection() const { return m_iDirection; }
  96
  97   static void RunSlideShow(const std::vector<std::string>& paths, int start = 0);
  98
  99 private:
 100   void ShowNext();
 101   void ShowPrevious();
 102   void SetDirection(int direction); // -1: rewind, 1: forward
 103
 104   typedef std::set<std::string> path_set;  // set to track which paths we're adding
 105   void AddItems(const std::string &strPath, path_set *recursivePaths,
 106                 SortBy method = SortByLabel,
 107                 SortOrder order = SortOrderAscending,
 108                 SortAttribute sortAttributes = SortAttributeNone);
 109   bool PlayVideo();
 110   CSlideShowPic::DISPLAY_EFFECT GetDisplayEffect(int iSlideNumber) const;
 111   void RenderPause();
 112   void RenderErrorMessage();
 113   void Rotate(float fAngle, bool immediate = false);
 114   void Zoom(int iZoom);
 115   void ZoomRelative(float fZoom, bool immediate = false);
 116   void Move(float fX, float fY);
 117   void GetCheckedSize(float width, float height, int &maxWidth, int &maxHeight);
 118   std::string GetPicturePath(CFileItem *item);
 119   int  GetNextSlide();
 120
 121   void AnnouncePlayerPlay(const CFileItemPtr& item);
 122   void AnnouncePlayerPause(const CFileItemPtr& item);
 123   void AnnouncePlayerStop(const CFileItemPtr& item);
 124   void AnnouncePlaylistClear();
 125   void AnnouncePlaylistAdd(const CFileItemPtr& item, int pos);
 126   void AnnouncePropertyChanged(const std::string &strProperty, const CVariant &value);
 127
 128   int m_iCurrentSlide;
 129   int m_iNextSlide;
 130   int m_iDirection;
 131   float m_fRotate;
 132   float m_fInitialRotate;
 133   int m_iZoomFactor;
 134   float m_fZoom;
 135   float m_fInitialZoom;
 136
 137   bool m_bShuffled;
 138   bool m_bSlideShow;
 139   bool m_bPause;
 140   bool m_bPlayingVideo;
 141   int m_iVideoSlide = -1;
 142   bool m_bErrorMessage;
 143
 144   std::vector<CFileItemPtr> m_slides;
 145
 146   CSlideShowPic m_Image[2];
 147
 148   int m_iCurrentPic;
 149   // background loader
 150   std::unique_ptr<CBackgroundPicLoader> m_pBackgroundLoader;
 151   int m_iLastFailedNextSlide;
 152   bool m_bLoadNextPic;
 153   RESOLUTION m_Resolution;
 154   CPoint m_firstGesturePoint;
 155 };