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 "interfaces/ISlideShowDelegate.h"
  14 #include "threads/Event.h"
  15 #include "threads/Thread.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 = 0;
  40   int m_iSlideNumber = 0;
  41   std::string m_strFileName;
  42   int m_maxWidth = 0;
  43   int m_maxHeight = 0;
  44
  45   CEvent m_loadPic;
  46   bool m_isLoading = false;
  47
  48   CGUIWindowSlideShow* m_pCallback = nullptr;
  49 };
  50
  51 class CGUIWindowSlideShow : public CGUIDialog, public ISlideShowDelegate
  52 {
  53 public:
  54   CGUIWindowSlideShow(void);
  55   ~CGUIWindowSlideShow() override;
  56
  57   // Implementation of ISlideShowDelegate
  58   void Add(const CFileItem* picture) override;
  59   bool IsPlaying() const override;
  60   void Select(const std::string& picture) override;
  61   void GetSlideShowContents(CFileItemList& list) override;
  62   std::shared_ptr<const CFileItem> GetCurrentSlide() override;
  63   void StartSlideShow() override;
  64   void PlayPicture() override;
  65   bool InSlideShow() const override;
  66   int NumSlides() const override;
  67   int CurrentSlide() const override;
  68   bool IsPaused() const override { return m_bPause; }
  69   bool IsShuffled() const override { return m_bShuffled; }
  70   void Reset() override;
  71   void RunSlideShow(const std::string& strPath,
  72                     bool bRecursive = false,
  73                     bool bRandom = false,
  74                     bool bNotRandom = false,
  75                     const std::string& beginSlidePath = "",
  76                     bool startSlideShow = true,
  77                     SortBy method = SortByLabel,
  78                     SortOrder order = SortOrderAscending,
  79                     SortAttribute sortAttributes = SortAttributeNone,
  80                     const std::string& strExtensions = "") override;
  81   void AddFromPath(const std::string& strPath,
  82                    bool bRecursive,
  83                    SortBy method = SortByLabel,
  84                    SortOrder order = SortOrderAscending,
  85                    SortAttribute sortAttributes = SortAttributeNone,
  86                    const std::string& strExtensions = "") override;
  87   void Shuffle() override;
  88   int GetDirection() const override { return m_iDirection; }
  89
  90   bool OnMessage(CGUIMessage& message) override;
  91   EVENT_RESULT OnMouseEvent(const CPoint& point, const KODI::MOUSE::CMouseEvent& event) override;
  92   bool OnAction(const CAction& action) override;
  93   void Render() override;
  94   void RenderEx() override;
  95   void Process(unsigned int currentTime, CDirtyRegionList& regions) override;
  96   void OnDeinitWindow(int nextWindowID) override;
  97
  98   void OnLoadPic(int iPic,
  99                  int iSlideNumber,
 100                  const std::string& strFileName,
 101                  std::unique_ptr<CTexture> pTexture,
 102                  bool bFullSize);
 103
 104   static void RunSlideShow(const std::vector<std::string>& paths, int start = 0);
 105
 106 private:
 107   void ShowNext();
 108   void ShowPrevious();
 109   void SetDirection(int direction); // -1: rewind, 1: forward
 110
 111   typedef std::set<std::string> path_set;  // set to track which paths we're adding
 112   void AddItems(const std::string &strPath, path_set *recursivePaths,
 113                 SortBy method = SortByLabel,
 114                 SortOrder order = SortOrderAscending,
 115                 SortAttribute sortAttributes = SortAttributeNone);
 116   bool PlayVideo();
 117   CSlideShowPic::DISPLAY_EFFECT GetDisplayEffect(int iSlideNumber) const;
 118   void RenderPause();
 119   void RenderErrorMessage();
 120   void Rotate(float fAngle, bool immediate = false);
 121   void Zoom(int iZoom);
 122   void ZoomRelative(float fZoom, bool immediate = false);
 123   void Move(float fX, float fY);
 124   void GetCheckedSize(float width, float height, int &maxWidth, int &maxHeight);
 125   std::string GetPicturePath(CFileItem *item);
 126   int  GetNextSlide();
 127
 128   void AnnouncePlayerPlay(const CFileItemPtr& item);
 129   void AnnouncePlayerPause(const CFileItemPtr& item);
 130   void AnnouncePlayerStop(const CFileItemPtr& item);
 131   void AnnouncePlaylistClear();
 132   void AnnouncePlaylistAdd(const CFileItemPtr& item, int pos);
 133   void AnnouncePropertyChanged(const std::string &strProperty, const CVariant &value);
 134
 135   int m_iCurrentSlide;
 136   int m_iNextSlide;
 137   int m_iDirection;
 138   float m_fRotate;
 139   float m_fInitialRotate;
 140   int m_iZoomFactor;
 141   float m_fZoom;
 142   float m_fInitialZoom;
 143
 144   bool m_bShuffled;
 145   bool m_bSlideShow;
 146   bool m_bPause;
 147   bool m_bPlayingVideo;
 148   int m_iVideoSlide = -1;
 149   bool m_bErrorMessage;
 150
 151   std::vector<CFileItemPtr> m_slides;
 152
 153   std::unique_ptr<CSlideShowPic> m_Image[2];
 154
 155   int m_iCurrentPic;
 156   // background loader
 157   std::unique_ptr<CBackgroundPicLoader> m_pBackgroundLoader;
 158   int m_iLastFailedNextSlide;
 159   bool m_bLoadNextPic;
 160   RESOLUTION m_Resolution;
 161   CPoint m_firstGesturePoint;
 162 };