layout/base/nsPresState.h

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   2 /* ***** BEGIN LICENSE BLOCK *****
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  37
  38 /*
  39  * a piece of state that is stored in session history when the document
  40  * is not
  41  */
  42
  43 #ifndef nsPresState_h_
  44 #define nsPresState_h_
  45
  46 #include "prtypes.h"
  47 #include "nsPoint.h"
  48 #include "nsAutoPtr.h"
  49 #include "nsRect.h"
  50
  51 class nsPresState
  52 {
  53 public:
  54   nsPresState()
  55     : mContentData(nsnull)
  56     , mDisabledSet(PR_FALSE)
  57     , mDisabled(PR_FALSE)
  58   {}
  59
  60   NS_HIDDEN_(nsresult) SetScrollState(const nsRect& aState);
  61
  62   nsRect               GetScrollState();
  63
  64   NS_HIDDEN_(void)     ClearNonScrollState();
  65
  66   PRBool GetDisabled()
  67   {
  68     return mDisabled;
  69   }
  70
  71   void SetDisabled(PRBool aDisabled)
  72   {
  73     mDisabled = aDisabled;
  74     mDisabledSet = PR_TRUE;
  75   }
  76
  77   PRBool IsDisabledSet()
  78   {
  79     return mDisabledSet;
  80   }
  81
  82   nsISupports* GetStateProperty()
  83   {
  84     return mContentData;
  85   }
  86
  87   void SetStateProperty(nsISupports *aProperty)
  88   {
  89     mContentData = aProperty;
  90   }
  91
  92 // MEMBER VARIABLES
  93 protected:
  94   nsCOMPtr<nsISupports> mContentData;
  95   PRPackedBool mDisabledSet;
  96   PRPackedBool mDisabled;
  97   nsAutoPtr<nsRect> mScrollState;
  98 };
  99
 100 #endif /* nsPresState_h_ */