diff options
Diffstat (limited to 'binary/src/dactylUtils.cpp')
| -rw-r--r-- | binary/src/dactylUtils.cpp | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/binary/src/dactylUtils.cpp b/binary/src/dactylUtils.cpp index 86a4d46a..230a06d3 100644 --- a/binary/src/dactylUtils.cpp +++ b/binary/src/dactylUtils.cpp @@ -40,6 +40,23 @@ #include "jsdbgapi.h" #include "jsobj.h" +#include "nsStringAPI.h" + +/* + * Evil. Evil, evil, evil. + */ +#define MOZILLA_INTERNAL_API +# define nsAString_h___ +# define nsString_h___ +# define nsStringFwd_h___ +# define nsStringGlue_h__ +class nsAFlatCString; +typedef nsString nsSubstring; +# include "nsIScrollableFrame.h" +#undef MOZILLA_INTERNAL_API +#include "nsPresContext.h" +#include "nsQueryFrame.h" + #include "nsIContent.h" #include "nsIDOMXULElement.h" #include "nsIXULTemplateBuilder.h" @@ -49,7 +66,6 @@ #include "nsComponentManagerUtils.h" #include "nsServiceManagerUtils.h" -#include "nsStringAPI.h" class autoDropPrincipals { @@ -322,4 +338,32 @@ dactylUtils::GetGlobalForObject(const jsval &aObject, return NS_OK; } +NS_IMETHODIMP +dactylUtils::GetScrollable(nsIDOMElement *aElement, PRUint32 *rval) +{ + nsCOMPtr<nsIContent> content = do_QueryInterface(aElement); + + nsIFrame *frame = content->GetPrimaryFrame(); + nsIScrollableFrame *scrollFrame = do_QueryFrame(frame); + + *rval = 0; + if (scrollFrame) { + nsPresContext::ScrollbarStyles ss = scrollFrame->GetScrollbarStyles(); + PRUint32 scrollbarVisibility = scrollFrame->GetScrollbarVisibility(); + nsRect scrollRange = scrollFrame->GetScrollRange(); + + if (ss.mHorizontal != NS_STYLE_OVERFLOW_HIDDEN && + ((scrollbarVisibility & nsIScrollableFrame::HORIZONTAL) || + scrollRange.width > 0)) + *rval |= dactylIUtils::DIRECTION_HORIZONTAL; + + if (ss.mVertical != NS_STYLE_OVERFLOW_HIDDEN && + ((scrollbarVisibility & nsIScrollableFrame::VERTICAL) || + scrollRange.height > 0)) + *rval |= dactylIUtils::DIRECTION_VERTICAL; + } + + return NS_OK; +} + /* vim:se sts=4 sw=4 et ft=cpp: */ |