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| author | trav90 <travawine@palemoon.org> | 2018-12-09 09:45:24 -0600 |
|---|---|---|
| committer | trav90 <travawine@palemoon.org> | 2018-12-09 09:45:24 -0600 |
| commit | 96258a022a7daee9606249beda61b1dc5d0eed2c (patch) | |
| tree | f5979ebfeea6fbae934657494cce3ab035c97fba | |
| parent | 09cf173394adb294dd81362745b66f618968517b (diff) | |
| download | UXP-96258a022a7daee9606249beda61b1dc5d0eed2c.tar UXP-96258a022a7daee9606249beda61b1dc5d0eed2c.tar.gz UXP-96258a022a7daee9606249beda61b1dc5d0eed2c.tar.lz UXP-96258a022a7daee9606249beda61b1dc5d0eed2c.tar.xz UXP-96258a022a7daee9606249beda61b1dc5d0eed2c.zip | |
Only disallow lazy frame construction for direct children of display: contents elements
4 files changed, 34 insertions, 6 deletions
diff --git a/layout/base/nsCSSFrameConstructor.cpp b/layout/base/nsCSSFrameConstructor.cpp index c63374541..07a5b80e7 100644 --- a/layout/base/nsCSSFrameConstructor.cpp +++ b/layout/base/nsCSSFrameConstructor.cpp @@ -7021,8 +7021,11 @@ nsCSSFrameConstructor::MaybeConstructLazily(Operation aOperation, nsIContent* aContainer, nsIContent* aChild) { + // XXXmats no lazy frames for display:contents direct descendants yet + // (Mozilla bug 979782). if (mPresShell->GetPresContext()->IsChrome() || !aContainer || - aContainer->IsInNativeAnonymousSubtree() || aContainer->IsXULElement()) { + aContainer->IsInNativeAnonymousSubtree() || aContainer->IsXULElement() || + GetDisplayContentsStyleFor(aContainer)) { return false; } @@ -7056,6 +7059,10 @@ nsCSSFrameConstructor::MaybeConstructLazily(Operation aOperation, // ignore anonymous children (eg framesets) make this complicated. So we set // these two booleans if we encounter these situations and unset them if we // hit a node with a leaf frame. + // + // Also, it's fine if one of the nodes without primary frame is a display: + // contents node except if it's the direct ancestor of the children we're + // recreating frames for. bool noPrimaryFrame = false; bool needsFrameBitSet = false; #endif @@ -7065,17 +7072,14 @@ nsCSSFrameConstructor::MaybeConstructLazily(Operation aOperation, if (content->GetPrimaryFrame() && content->GetPrimaryFrame()->IsLeaf()) { noPrimaryFrame = needsFrameBitSet = false; } - if (!noPrimaryFrame && !content->GetPrimaryFrame()) { + if (!noPrimaryFrame && !content->GetPrimaryFrame() && + !GetDisplayContentsStyleFor(content)) { noPrimaryFrame = true; } if (!needsFrameBitSet && content->HasFlag(NODE_NEEDS_FRAME)) { needsFrameBitSet = true; } #endif - // XXXmats no lazy frames for display:contents descendants yet (bug 979782). - if (GetDisplayContentsStyleFor(content)) { - return false; - } content->SetFlags(NODE_DESCENDANTS_NEED_FRAMES); content = content->GetFlattenedTreeParent(); } diff --git a/layout/reftests/css-display/display-contents-dyn-insert-text-ref.html b/layout/reftests/css-display/display-contents-dyn-insert-text-ref.html new file mode 100644 index 000000000..a212e025e --- /dev/null +++ b/layout/reftests/css-display/display-contents-dyn-insert-text-ref.html @@ -0,0 +1,7 @@ +<!doctype html> +<meta charset="utf-8"> +<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> +<title>CSS Test reference - Bug 1338678</title> +<div style="display: contents"> + <div id="element">PASS</div> +</div> diff --git a/layout/reftests/css-display/display-contents-dyn-insert-text.html b/layout/reftests/css-display/display-contents-dyn-insert-text.html new file mode 100644 index 000000000..f3b0c0c95 --- /dev/null +++ b/layout/reftests/css-display/display-contents-dyn-insert-text.html @@ -0,0 +1,16 @@ +<!doctype html> +<meta charset="utf-8"> +<link rel="author" title="Markus Stange" href="mailto:mstange@themasta.com"> +<link rel="help" href="https://drafts.csswg.org/css-display/#box-generation"> +<title>Bug 1338678 - display:contents makes textContent disappear</title> +<div style="display: contents"> + <div id="element"></div> +</div> +<script> +window.onload = function() { + document.body.offsetTop; + var element = document.getElementById('element'); + element.textContent = "FAIL"; + element.textContent = "PASS"; +} +</script> diff --git a/layout/reftests/css-display/reftest.list b/layout/reftests/css-display/reftest.list index d310422bb..00f46a80b 100644 --- a/layout/reftests/css-display/reftest.list +++ b/layout/reftests/css-display/reftest.list @@ -24,5 +24,6 @@ skip pref(layout.css.display-contents.enabled,true) == display-contents-xbl-4.xu asserts(0-1) fuzzy-if(Android,8,3216) pref(layout.css.display-contents.enabled,true) == display-contents-fieldset.html display-contents-fieldset-ref.html # bug 1089223 asserts(1) pref(layout.css.display-contents.enabled,true) == display-contents-xbl-5.xul display-contents-xbl-3-ref.xul # bug 1089223 pref(layout.css.display-contents.enabled,true) == display-contents-list-item-child.html display-contents-list-item-child-ref.html +pref(layout.css.display-contents.enabled,true) == display-contents-dyn-insert-text.html display-contents-dyn-insert-text-ref.html pref(layout.css.display-contents.enabled,true) == display-contents-writing-mode-1.html display-contents-writing-mode-1-ref.html pref(layout.css.display-contents.enabled,true) == display-contents-writing-mode-2.html display-contents-writing-mode-2-ref.html |