WebCore/WKContentObservation.h

   1 /*
   2  *  WKContentObservation.h
   3  *  WebCore
   4  *
   5  *  Copyright (C) 2007, 2008, Apple Inc.  All rights reserved.
   6  *
   7  */
   8
   9
  10 #ifdef __cplusplus
  11 extern "C" {
  12 #endif
  13
  14 typedef enum
  15 {
  16     WKContentNoChange               = 0,
  17     WKContentVisibilityChange       = 2,
  18     WKContentIndeterminateChange    = 1
  19 }   WKContentChange;
  20
  21 bool WKObservingContentChanges(void);
  22 bool WKObservingIndeterminateContentChanges(void);
  23
  24 void WKStopObservingContentChanges(void);
  25 void WKBeginObservingContentChanges(bool allowsIntedeterminateChanges);
  26
  27 WKContentChange WKObservedContentChange(void);
  28 void WKSetObservedContentChange(WKContentChange aChange);
  29
  30 int WebThreadCountOfObservedContentModifiers(void);
  31 void WebThreadClearObservedContentModifiers(void);
  32
  33 bool WebThreadContainsObservedContentModifier(void * aContentModifier);
  34 void WebThreadAddObservedContentModifier(void * aContentModifier);
  35 void WebThreadRemoveObservedContentModifier(void * aContentModifier);
  36
  37 #ifdef __cplusplus
  38 }
  39 #endif
  40