intl/chardet/src/nsMetaCharsetObserver.h

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  37 #ifndef nsMetaCharsetObserverFactory_h__
  38 #define nsMetaCharsetObserverFactory_h__
  39
  40 #include "nsIFactory.h"
  41 #include "nsIMetaCharsetService.h"
  42 #include "nsIElementObserver.h"
  43 #include "nsIObserver.h"
  44 #include "nsObserverBase.h"
  45 #include "nsWeakReference.h"
  46
  47 //==========================================================================
  48 //
  49 // Class declaration for the class
  50 //
  51 //==========================================================================
  52 class nsMetaCharsetObserver: public nsIElementObserver,
  53                              public nsIObserver,
  54                              public nsObserverBase,
  55                              public nsIMetaCharsetService,
  56                              public nsSupportsWeakReference {
  57 public:
  58   nsMetaCharsetObserver();
  59   virtual ~nsMetaCharsetObserver();
  60
  61   /* methode for nsIElementObserver */
  62
  63   /*
  64    *   Subject call observer when the parser hit the tag
  65    *   @param aDocumentID- ID of the document
  66    *   @param aTag- the tag
  67    *   @param numOfAttributes - number of attributes
  68    *   @param nameArray - array of name.
  69    *   @param valueArray - array of value
  70    */
  71   NS_IMETHOD Notify(PRUint32 aDocumentID, eHTMLTags aTag, PRUint32 numOfAttributes,
  72                     const PRUnichar* nameArray[], const PRUnichar* valueArray[]);
  73   NS_IMETHOD Notify(PRUint32 aDocumentID, const PRUnichar* aTag, PRUint32 numOfAttributes,
  74                     const PRUnichar* nameArray[], const PRUnichar* valueArray[]);
  75
  76   NS_IMETHOD Notify(nsISupports* aWebShell,
  77                     nsISupports* aChannel,
  78                     const PRUnichar* aTag,
  79                     const nsStringArray* keys,
  80                     const nsStringArray* values,
  81                     const PRUint32 aFlags);
  82
  83   NS_DECL_ISUPPORTS
  84
  85   /* methode for nsIObserver */
  86   NS_DECL_NSIOBSERVER
  87
  88   /* methode for nsIMetaCharsetService */
  89   NS_IMETHOD Start();
  90   NS_IMETHOD End();
  91
  92 private:
  93
  94   NS_IMETHOD Notify(PRUint32 aDocumentID, PRUint32 numOfAttributes,
  95                     const PRUnichar* nameArray[], const PRUnichar* valueArray[]);
  96
  97   NS_IMETHOD Notify(nsISupports* aWebShell,
  98                     nsISupports* aChannel,
  99                     const nsStringArray* keys,
 100                     const nsStringArray* values);
 101
 102   NS_IMETHOD GetCharsetFromCompatibilityTag(const nsStringArray* keys,
 103                                             const nsStringArray* values,
 104                                             nsAString& aCharset);
 105
 106   nsCOMPtr<nsICharsetAlias> mAlias;
 107
 108   PRBool bMetaCharsetObserverStarted;
 109 };
 110
 111 #endif // nsMetaCharsetObserverFactory_h__