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Back out the rest of bug 72747 due to Tp regression.

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git-svn-id: svn://10.0.0.236/trunk@161373 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
dbaron%dbaron.org
2004-08-27 01:26:55 +00:00
parent 6077056f8a
commit dcf4bae71a
47 changed files with 827 additions and 431 deletions
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74
mozilla/docshell/base/nsDocShell.cpp
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@@ -268,7 +268,8 @@ nsDocShell::nsDocShell():
mMarginHeight(0),
mItemType(typeContent),
mContentListener(nsnull),
mDefaultScrollbarPref(Scrollbar_Auto, Scrollbar_Auto),
mCurrentScrollbarPref(-1, -1),
mDefaultScrollbarPref(-1, -1),
mEditorData(nsnull),
mParent(nsnull),
mTreeOwner(nsnull),
@@ -3651,6 +3652,29 @@ nsDocShell::SetScrollRangeEx(PRInt32 minHorizontalPos,
return NS_ERROR_FAILURE;
}
// Get scroll setting for this document only
//
// One important client is nsCSSFrameConstructor::ConstructRootFrame()
NS_IMETHODIMP
nsDocShell::GetCurrentScrollbarPreferences(PRInt32 scrollOrientation,
PRInt32 * scrollbarPref)
{
NS_ENSURE_ARG_POINTER(scrollbarPref);
switch (scrollOrientation) {
case ScrollOrientation_X:
*scrollbarPref = mCurrentScrollbarPref.x;
return NS_OK;
case ScrollOrientation_Y:
*scrollbarPref = mCurrentScrollbarPref.y;
return NS_OK;
default:
NS_ENSURE_TRUE(PR_FALSE, NS_ERROR_INVALID_ARG);
}
return NS_ERROR_FAILURE;
}
// This returns setting for all documents in this webshell
NS_IMETHODIMP
nsDocShell::GetDefaultScrollbarPreferences(PRInt32 scrollOrientation,
@@ -3672,14 +3696,39 @@ nsDocShell::GetDefaultScrollbarPreferences(PRInt32 scrollOrientation,
return NS_ERROR_FAILURE;
}
// Set scrolling preference for all documents in this shell
// Set scrolling preference for this document only.
//
// There are three possible values stored in the shell:
// 1) NS_STYLE_OVERFLOW_HIDDEN = no scrollbar
// 2) NS_STYLE_OVERFLOW_AUTO = scrollbar appears if the document
// being displayed would normally have scrollbar
// 3) NS_STYLE_OVERFLOW_SCROLL = scrollbar always appears
// 1) NS_STYLE_OVERFLOW_HIDDEN = no scrollbars
// 2) NS_STYLE_OVERFLOW_AUTO = scrollbars appear if needed
// 3) NS_STYLE_OVERFLOW_SCROLL = scrollbars always
//
// XXX Currently OVERFLOW_SCROLL isn't honored,
// as it is not implemented by Gfx scrollbars
// XXX setting has no effect after the root frame is created
// as it is not implemented by Gfx scrollbars
//
// One important client is HTMLContentSink::StartLayout()
NS_IMETHODIMP
nsDocShell::SetCurrentScrollbarPreferences(PRInt32 scrollOrientation,
PRInt32 scrollbarPref)
{
switch (scrollOrientation) {
case ScrollOrientation_X:
mCurrentScrollbarPref.x = scrollbarPref;
return NS_OK;
case ScrollOrientation_Y:
mCurrentScrollbarPref.y = scrollbarPref;
return NS_OK;
default:
NS_ENSURE_TRUE(PR_FALSE, NS_ERROR_INVALID_ARG);
}
return NS_ERROR_FAILURE;
}
// Set scrolling preference for all documents in this shell
// One important client is nsHTMLFrameInnerFrame::CreateWebShell()
NS_IMETHODIMP
nsDocShell::SetDefaultScrollbarPreferences(PRInt32 scrollOrientation,
@@ -3700,6 +3749,19 @@ nsDocShell::SetDefaultScrollbarPreferences(PRInt32 scrollOrientation,
return NS_ERROR_FAILURE;
}
// Reset 'current' scrollbar settings to 'default'.
// This must be called before every document load or else
// frameset scrollbar settings (e.g. <IFRAME SCROLLING="no">
// will not be preserved.
//
// One important client is HTMLContentSink::StartLayout()
NS_IMETHODIMP
nsDocShell::ResetScrollbarPreferences()
{
mCurrentScrollbarPref = mDefaultScrollbarPref;
return NS_OK;
}
NS_IMETHODIMP
nsDocShell::GetScrollbarVisibility(PRBool * verticalVisible,
PRBool * horizontalVisible)