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Bug 545049. When the overflow area of a transformed frame changes, we need to repaint the whole thing. r=mats

This commit is contained in:
Robert O'Callahan 2010-03-29 14:46:58 +13:00
Родитель 7218dc5fcd
Коммит ce2015a790
4 изменённых файлов: 37 добавлений и 9 удалений
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14
layout/generic/nsFrame.cpp
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@ -5662,8 +5662,10 @@ nsIFrame::FinishAndStoreOverflow(nsRect* aOverflowArea, nsSize aNewSize)
&hasOutlineOrEffects);
/* If we're transformed, transform the overflow rect by the current transformation. */
if ((mState & NS_FRAME_MAY_BE_TRANSFORMED_OR_HAVE_RENDERING_OBSERVERS) &&
GetStyleDisplay()->HasTransform()) {
PRBool hasTransform =
(mState & NS_FRAME_MAY_BE_TRANSFORMED_OR_HAVE_RENDERING_OBSERVERS) &&
GetStyleDisplay()->HasTransform();
if (hasTransform) {
/* Since our size might not actually have been computed yet, we need to make sure that we use the
* correct dimensions by overriding the stored bounding rectangle with the value the caller has
* ensured us we'll use.
@ -5687,10 +5689,10 @@ nsIFrame::FinishAndStoreOverflow(nsRect* aOverflowArea, nsSize aNewSize)
}
}
if (overflowChanged && hasOutlineOrEffects) {
// When there's an outline or box-shadow or SVG effects, changes to
// those styles might require repainting of the old and new overflow
// areas. Repainting of the old overflow area is handled in
if (overflowChanged && (hasOutlineOrEffects || hasTransform)) {
// When there's an outline or box-shadow or SVG effects or transform,
// changes to those styles might require repainting of the old and new
// overflow areas. Repainting of the old overflow area is handled in
// nsCSSFrameConstructor::DoApplyRenderingChangeToTree in response
// to nsChangeHint_RepaintFrame. Since the new overflow area is not
// known at that time, we have to handle it here.

9
layout/reftests/bugs/545049-1-ref.html Normal file
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@ -0,0 +1,9 @@
<!DOCTYPE HTML>
<html>
<body>
<table>
<td style="-moz-transform:translateX(10px); width:20px; height:20px; background:lime;">
</td>
</table>
</body>
</html>

16
layout/reftests/bugs/545049-1.html Normal file
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@ -0,0 +1,16 @@
<!DOCTYPE HTML>
<html class="reftest-wait">
<body>
<table>
<td id="d" style="-moz-transform:translateX(400px); width:20px; height:20px; background:lime;">
</td>
</table>
<script>
function doTest() {
document.getElementById("d").style.MozTransform = "translateX(10px)";
document.documentElement.removeAttribute("class");
}
window.addEventListener("MozReftestInvalidate", doTest, false);
</script>
</body>
</html>

7
layout/reftests/bugs/reftest.list
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@ -1408,10 +1408,11 @@ fails HTTP(..) == 518172-2b.html 518172-b-ref.html # bug 518172
== 539323-1.html 539323-1-ref.html
== 539323-2.html 539323-2-ref.html
== 539323-3.html 539323-3-ref.html
== 542620-1.html 542620-1-ref.html
== 541382-1.html 541382-1-ref.html
random-if(!haveTestPlugin) == 541406-1.html 541406-1-ref.html
== 542620-1.html 542620-1-ref.html
== 545049-1.html 545049-1-ref.html
== 546033-1.html 546033-1-ref.html
== 550716-1.html 550716-1-ref.html
== 549184-1.html 549184-1-ref.html
random-if(!haveTestPlugin) == 546071-1.html 546071-1-ref.html
== 549184-1.html 549184-1-ref.html
== 550716-1.html 550716-1-ref.html