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Scroll when target is off screen. NPODB

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git-svn-id: svn://10.0.0.236/trunk@196632 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
dougt%meer.net
2006-05-16 02:45:48 +00:00
parent 1a94b08b86
commit ea33f3688c
3 changed files with 104 additions and 22 deletions
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38
mozilla/extensions/spatialnavigation/src/nsSpatialNavigation.cpp
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@@ -37,8 +37,7 @@
#include "nsSpatialNavigationPrivate.h"
PRInt32 gRectFudge = 20;
PRInt32 gDirectionalBias = 3;
PRInt32 gScrollOffset = 26;
PRInt32 gDirectionalBias = 1;
NS_INTERFACE_MAP_BEGIN(nsSpatialNavigation)
NS_INTERFACE_MAP_ENTRY(nsISpatialNavigation)
@@ -573,8 +572,23 @@ nsSpatialNavigation::handleMove(int direction)
getContentInDirection(direction, presContext, focusedRect, focusedFrame, PR_FALSE, isAREA, getter_AddRefs(c));
if (c) {
setFocusedContent(c);
return NS_OK;
nsIDocument* doc = c->GetDocument();
if (!doc)
return NS_ERROR_FAILURE;
nsIPresShell *presShell = doc->GetShellAt(0);
nsIFrame* cframe = presShell->GetPrimaryFrameFor(c);
PRBool b = IsPartiallyVisible(presShell, cframe);
if (b)
setFocusedContent(c);
else
ScrollWindow(direction, getContentWindow());
return NS_OK;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -653,21 +667,7 @@ nsSpatialNavigation::handleMove(int direction)
// how about this, if we find anything, we just scroll the
// page in the direction of the navigation??
{
nsCOMPtr<nsIDOMWindow> contentWindow = getContentWindow();
if (!contentWindow)
return NS_OK;
if (direction == eNavLeft)
contentWindow->ScrollBy(-1* gScrollOffset, 0);
else if (direction == eNavRight)
contentWindow->ScrollBy(gScrollOffset, 0);
else if (direction == eNavUp)
contentWindow->ScrollBy(0, -1 * gScrollOffset);
else
contentWindow->ScrollBy(0, gScrollOffset);
}
ScrollWindow(direction, getContentWindow());
///////////////////////////////////////////////////////////////////////////////////////////////////