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Bug 680257 - Always call nsDocShell::ScrollToAnchor on short-circuited loads, so as to make sure the target pseudo-class is updated correctly. r=bz

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This commit is contained in:
Justin Lebar 2011-08-22 22:39:37 -04:00
parent 91849b5966
commit 7e582ce643
4 changed files with 84 additions and 7 deletions
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14
docshell/base/nsDocShell.cpp
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@ -8452,13 +8452,13 @@ nsDocShell::InternalLoad(nsIURI * aURI,
GetCurScrollPos(ScrollOrientation_X, &cx);
GetCurScrollPos(ScrollOrientation_Y, &cy);
// We scroll whenever we're not doing a history load. Note that
// sometimes we might scroll even if we don't fire a hashchange
// event! See bug 653741.
if (!aSHEntry) {
rv = ScrollToAnchor(curHash, newHash, aLoadType);
NS_ENSURE_SUCCESS(rv, rv);
}
// ScrollToAnchor doesn't necessarily cause us to scroll the window;
// the function decides whether a scroll is appropriate based on the
// arguments it receives. But even if we don't end up scrolling,
// ScrollToAnchor performs other important tasks, such as informing
// the presShell that we have a new hash. See bug 680257.
rv = ScrollToAnchor(curHash, newHash, aLoadType);
NS_ENSURE_SUCCESS(rv, rv);
mLoadType = aLoadType;
mURIResultedInDocument = PR_TRUE;

2
docshell/test/Makefile.in
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@ -120,6 +120,8 @@ _TEST_FILES = \
file_bug669671.sjs \
test_bug675587.html \
test_bfcache_plus_hash.html \
test_bug680257.html \
file_bug680257.html \
$(NULL)
ifeq ($(MOZ_WIDGET_TOOLKIT),cocoa)

16
docshell/test/file_bug680257.html Normal file
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@ -0,0 +1,16 @@
<!DOCTYPE HTML>
<html>
<head>
<style type='text/css'>
a { color: black; }
a:target { color: red; }
</style>
</head>
<body onload='(opener || parent).popupLoaded()'>
<a id='a' href='#a'>link</a>
<a id='b' href='#b'>link2</a>
</body>
</html>

59
docshell/test/test_bug680257.html Normal file
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@ -0,0 +1,59 @@
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=680257
-->
<head>
<title>Test for Bug 680257</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=680257">Mozilla Bug 680257</a>
<script type="application/javascript;version=1.7">
SimpleTest.waitForExplicitFinish();
var popup = window.open('file_bug680257.html');
// The popup will call into popupLoaded() once it loads.
function popupLoaded() {
// runTests() needs to be called from outside popupLoaded's onload handler.
// Otherwise, the navigations we do in runTests won't create new SHEntries.
SimpleTest.executeSoon(runTests);
}
function runTests() {
checkPopupLinkStyle(false, 'Initial');
popup.location.hash = 'a';
checkPopupLinkStyle(true, 'After setting hash');
popup.history.back();
checkPopupLinkStyle(false, 'After going back');
popup.history.forward();
checkPopupLinkStyle(true, 'After going forward');
popup.close();
SimpleTest.finish();
}
function checkPopupLinkStyle(isTarget, desc) {
var link = popup.document.getElementById('a');
var style = popup.getComputedStyle(link);
var color = style.getPropertyValue('color');
// Color is red if isTarget, black otherwise.
if (isTarget) {
is(color, 'rgb(255, 0, 0)', desc);
}
else {
is(color, 'rgb(0, 0, 0)', desc);
}
}
</script>
</body>
</html>