content/events/public/nsMutationEvent.h

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  37
  38 #ifndef nsMutationEvent_h__
  39 #define nsMutationEvent_h__
  40
  41 #include "nsGUIEvent.h"
  42 #include "nsIDOMNode.h"
  43 #include "nsIAtom.h"
  44 #include "nsIDOMEventTarget.h"
  45 #include "nsIContent.h"
  46
  47 class nsMutationEvent : public nsEvent
  48 {
  49 public:
  50   nsMutationEvent(PRBool isTrusted, PRUint32 msg)
  51     : nsEvent(isTrusted, msg, NS_MUTATION_EVENT),
  52       mAttrChange(0)
  53   {
  54     flags |= NS_EVENT_FLAG_CANT_CANCEL;
  55   }
  56
  57   nsCOMPtr<nsIDOMNode> mRelatedNode;
  58   nsCOMPtr<nsIAtom>    mAttrName;
  59   nsCOMPtr<nsIAtom>    mPrevAttrValue;
  60   nsCOMPtr<nsIAtom>    mNewAttrValue;
  61   unsigned short       mAttrChange;
  62 };
  63
  64 #define NS_MUTATION_START           1800
  65 #define NS_MUTATION_SUBTREEMODIFIED                   (NS_MUTATION_START)
  66 #define NS_MUTATION_NODEINSERTED                      (NS_MUTATION_START+1)
  67 #define NS_MUTATION_NODEREMOVED                       (NS_MUTATION_START+2)
  68 #define NS_MUTATION_NODEREMOVEDFROMDOCUMENT           (NS_MUTATION_START+3)
  69 #define NS_MUTATION_NODEINSERTEDINTODOCUMENT          (NS_MUTATION_START+4)
  70 #define NS_MUTATION_ATTRMODIFIED                      (NS_MUTATION_START+5)
  71 #define NS_MUTATION_CHARACTERDATAMODIFIED             (NS_MUTATION_START+6)
  72 #define NS_MUTATION_END                               (NS_MUTATION_START+6)
  73
  74 // Bits are actually checked to optimize mutation event firing.
  75 // That's why I don't number from 0x00.  The first event should
  76 // always be 0x01.
  77 #define NS_EVENT_BITS_MUTATION_SUBTREEMODIFIED                0x01
  78 #define NS_EVENT_BITS_MUTATION_NODEINSERTED                   0x02
  79 #define NS_EVENT_BITS_MUTATION_NODEREMOVED                    0x04
  80 #define NS_EVENT_BITS_MUTATION_NODEREMOVEDFROMDOCUMENT        0x08
  81 #define NS_EVENT_BITS_MUTATION_NODEINSERTEDINTODOCUMENT       0x10
  82 #define NS_EVENT_BITS_MUTATION_ATTRMODIFIED                   0x20
  83 #define NS_EVENT_BITS_MUTATION_CHARACTERDATAMODIFIED          0x40
  84
  85 #endif // nsMutationEvent_h__