src/apps/haikudepot/ui/ScreenshotWindow.h

   1 /*
   2  * Copyright 2014, Stephan Aßmus <superstippi@gmx.de>.
   3  * All rights reserved. Distributed under the terms of the MIT License.
   4  */
   5 #ifndef SCREENSHOT_WINDOW_H
   6 #define SCREENSHOT_WINDOW_H
   7
   8 #include <Locker.h>
   9 #include <Messenger.h>
  10 #include <ToolBar.h>
  11 #include <Window.h>
  12
  13 #include "PackageInfo.h"
  14
  15
  16 class BarberPole;
  17 class BitmapView;
  18 class BStringView;
  19
  20
  21 enum {
  22         MSG_NEXT_SCREENSHOT     = 'nscr',
  23         MSG_PREVIOUS_SCREENSHOT = 'pscr',
  24         MSG_DOWNLOAD_START      = 'dlst',
  25         MSG_DOWNLOAD_STOP       = 'dlsp',
  26 };
  27
  28
  29 class ScreenshotWindow : public BWindow {
  30 public:
  31                                                                 ScreenshotWindow(BWindow* parent, BRect frame);
  32         virtual                                         ~ScreenshotWindow();
  33
  34         virtual bool                            QuitRequested();
  35
  36         virtual void                            MessageReceived(BMessage* message);
  37
  38                         void                            SetOnCloseMessage(
  39                                                                         const BMessenger& messenger,
  40                                                                         const BMessage& message);
  41
  42                         void                            SetPackage(const PackageInfoRef& package);
  43
  44         static  void                            CleanupIcons();
  45
  46 private:
  47                         void                            _DownloadScreenshot();
  48
  49                         void                            _SetWorkerThread(thread_id thread);
  50
  51         static  int32                           _DownloadThreadEntry(void* data);
  52                         void                            _DownloadThread();
  53
  54                         void                            _ResizeToFitAndCenter();
  55                         void                            _UpdateToolBar();
  56
  57 private:
  58         enum {
  59                 kProgressIndicatorDelay = 200000 // us
  60         };
  61
  62 private:
  63                         BMessenger                      fOnCloseTarget;
  64                         BMessage                        fOnCloseMessage;
  65
  66                         BToolBar*                       fToolBar;
  67                         BarberPole*                     fBarberPole;
  68                         bool                            fBarberPoleShown;
  69                         BStringView*            fIndexView;
  70
  71                         BitmapRef                       fScreenshot;
  72                         BitmapView*                     fScreenshotView;
  73
  74                         int32                           fCurrentScreenshotIndex; // atomic
  75
  76                         PackageInfoRef          fPackage;
  77                         bool                            fDownloadPending;
  78
  79                         BLocker                         fLock;
  80                         thread_id                       fWorkerThread;
  81 };
  82
  83
  84 #endif // SCREENSHOT_WINDOW_H