зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1305579
- If we fail to restore the scroll position while there's a reflow pending, hold on to it and try again later. r=tnikkel
MozReview-Commit-ID: DNmFJOiNeeW --HG-- extra : rebase_source : b44d4c04c76a21fe00d8ae460068359550d3d136
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3b2f21794b
Коммит
3ac8695431
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@ -4227,7 +4227,7 @@ ScrollFrameHelper::ScrollToRestoredPosition()
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if (!weakFrame.IsAlive()) {
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return;
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}
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if (PageIsStillLoading()) {
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if (PageIsStillLoading() || NS_SUBTREE_DIRTY(mOuter)) {
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// If we're trying to do a history scroll restore, then we want to
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// keep trying this until we succeed, because the page can be loading
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// incrementally. So re-get the scroll position for the next iteration,
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@ -147,3 +147,4 @@ support-files = file_taintedfilters_feDisplacementMap-tainted-1.svg file_tainted
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[test_scroll_position_restore.html]
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support-files = file_scroll_position_restore.html
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[test_scroll_animation_restore.html]
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[test_scroll_position_iframe.html]
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@ -0,0 +1,37 @@
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1305579
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 1305579</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1305579">Mozilla Bug 1305579</a>
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<p id="display"></p>
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<style>
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.off {
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display:none;
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}
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</style>
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<script>
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SimpleTest.waitForExplicitFinish();
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function runtest() {
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var iframe = document.getElementById("iframe");
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iframe.contentDocument.scrollingElement.scrollTop = 50;
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iframe.classList.toggle("off");
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waitForAllPaintsFlushed(function() {
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iframe.classList.toggle("off");
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is(iframe.contentDocument.scrollingElement.scrollTop, 50, "scroll position restored");
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SimpleTest.finish();
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});
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}
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</script>
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<iframe onload="runtest()" id="iframe" class="" src="data:text/html,<p>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br>bla<br></p>"></iframe><br>
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</body>
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</html>
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