widget/src/windows/nsScreenManagerWin.h

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  37
  38 #ifndef nsScreenManagerWin_h___
  39 #define nsScreenManagerWin_h___
  40
  41 #include "nsIScreenManager.h"
  42
  43 #include <windows.h>
  44 #include "nsCOMPtr.h"
  45 #include "nsTArray.h"
  46
  47 class nsIScreen;
  48
  49 //------------------------------------------------------------------------
  50
  51 class ScreenListItem
  52 {
  53 public:
  54   ScreenListItem ( HMONITOR inMon, nsIScreen* inScreen )
  55     : mMon(inMon), mScreen(inScreen) { } ;
  56
  57   HMONITOR mMon;
  58   nsCOMPtr<nsIScreen> mScreen;
  59 };
  60
  61 class nsScreenManagerWin : public nsIScreenManager
  62 {
  63 public:
  64   nsScreenManagerWin ( );
  65   ~nsScreenManagerWin();
  66
  67   NS_DECL_ISUPPORTS
  68   NS_DECL_NSISCREENMANAGER
  69
  70 private:
  71
  72   nsIScreen* CreateNewScreenObject ( void* inScreen ) ;
  73
  74   PRUint32 mNumberOfScreens;
  75
  76     // cache the screens to avoid the memory allocations
  77   nsAutoTArray<ScreenListItem, 8> mScreenList;
  78
  79 };
  80
  81 #endif  // nsScreenManagerWin_h___