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Stylo: Correct style match for element instances under a use-element tree.

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This commit is contained in:
cku 2017-06-20 16:44:59 +08:00
parent 4d997f0d0c
commit 727725ac3d
6 changed files with 170 additions and 137 deletions
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4
components/selectors/matching.rs
View file

@ -532,9 +532,13 @@ fn matches_complex_selector_internal<E, F>(mut selector_iter: SelectorIter<E::Im
SelectorMatchingResult::NotMatchedAndRestartFromClosestDescendant)
}
Combinator::Child | Combinator::Descendant => {
if element.blocks_ancestor_combinators() {
(None, SelectorMatchingResult::NotMatchedGlobally)
} else {
(element.parent_element(),
SelectorMatchingResult::NotMatchedGlobally)
}
}
Combinator::PseudoElement => {
(element.pseudo_element_originating_element(),
SelectorMatchingResult::NotMatchedGlobally)

7
components/selectors/tree.rs
View file

@ -85,4 +85,11 @@ pub trait Element: Sized + Debug {
/// Note: this can be false even if `.parent_element()` is `None`
/// if the parent node is a `DocumentFragment`.
fn is_root(&self) -> bool;
/// Return true if we want to stop lookup ancestor of the current
/// element while matching complex selectors with descendant/child
/// combinator.
fn blocks_ancestor_combinators(&self) -> bool {
false
}
}

135
components/style/gecko/generated/structs_debug.rs
View file

@ -10627,73 +10627,74 @@ pub mod root {
mozIsHTML = 18,
unresolved = 19,
mozNativeAnonymous = 20,
mozSystemMetric = 21,
mozLocaleDir = 22,
mozLWTheme = 23,
mozLWThemeBrightText = 24,
mozLWThemeDarkText = 25,
mozWindowInactive = 26,
mozTableBorderNonzero = 27,
mozBrowserFrame = 28,
scope = 29,
negation = 30,
dir = 31,
link = 32,
mozAnyLink = 33,
anyLink = 34,
visited = 35,
active = 36,
checked = 37,
disabled = 38,
enabled = 39,
focus = 40,
focusWithin = 41,
hover = 42,
mozDragOver = 43,
target = 44,
indeterminate = 45,
mozDevtoolsHighlighted = 46,
mozStyleeditorTransitioning = 47,
fullscreen = 48,
mozFullScreen = 49,
mozFocusRing = 50,
mozBroken = 51,
mozLoading = 52,
mozUserDisabled = 53,
mozSuppressed = 54,
mozHandlerClickToPlay = 55,
mozHandlerVulnerableUpdatable = 56,
mozHandlerVulnerableNoUpdate = 57,
mozHandlerDisabled = 58,
mozHandlerBlocked = 59,
mozHandlerCrashed = 60,
mozMathIncrementScriptLevel = 61,
mozHasDirAttr = 62,
mozDirAttrLTR = 63,
mozDirAttrRTL = 64,
mozDirAttrLikeAuto = 65,
mozAutofill = 66,
mozAutofillPreview = 67,
required = 68,
optional = 69,
valid = 70,
invalid = 71,
inRange = 72,
outOfRange = 73,
defaultPseudo = 74,
placeholderShown = 75,
mozReadOnly = 76,
mozReadWrite = 77,
mozSubmitInvalid = 78,
mozUIInvalid = 79,
mozUIValid = 80,
mozMeterOptimum = 81,
mozMeterSubOptimum = 82,
mozMeterSubSubOptimum = 83,
mozPlaceholder = 84,
Count = 85,
NotPseudo = 86,
MAX = 87,
mozUseShadowTreeRoot = 21,
mozSystemMetric = 22,
mozLocaleDir = 23,
mozLWTheme = 24,
mozLWThemeBrightText = 25,
mozLWThemeDarkText = 26,
mozWindowInactive = 27,
mozTableBorderNonzero = 28,
mozBrowserFrame = 29,
scope = 30,
negation = 31,
dir = 32,
link = 33,
mozAnyLink = 34,
anyLink = 35,
visited = 36,
active = 37,
checked = 38,
disabled = 39,
enabled = 40,
focus = 41,
focusWithin = 42,
hover = 43,
mozDragOver = 44,
target = 45,
indeterminate = 46,
mozDevtoolsHighlighted = 47,
mozStyleeditorTransitioning = 48,
fullscreen = 49,
mozFullScreen = 50,
mozFocusRing = 51,
mozBroken = 52,
mozLoading = 53,
mozUserDisabled = 54,
mozSuppressed = 55,
mozHandlerClickToPlay = 56,
mozHandlerVulnerableUpdatable = 57,
mozHandlerVulnerableNoUpdate = 58,
mozHandlerDisabled = 59,
mozHandlerBlocked = 60,
mozHandlerCrashed = 61,
mozMathIncrementScriptLevel = 62,
mozHasDirAttr = 63,
mozDirAttrLTR = 64,
mozDirAttrRTL = 65,
mozDirAttrLikeAuto = 66,
mozAutofill = 67,
mozAutofillPreview = 68,
required = 69,
optional = 70,
valid = 71,
invalid = 72,
inRange = 73,
outOfRange = 74,
defaultPseudo = 75,
placeholderShown = 76,
mozReadOnly = 77,
mozReadWrite = 78,
mozSubmitInvalid = 79,
mozUIInvalid = 80,
mozUIValid = 81,
mozMeterOptimum = 82,
mozMeterSubOptimum = 83,
mozMeterSubSubOptimum = 84,
mozPlaceholder = 85,
Count = 86,
NotPseudo = 87,
MAX = 88,
}
#[repr(C)]
#[derive(Debug)]

135
components/style/gecko/generated/structs_release.rs
View file

@ -10360,73 +10360,74 @@ pub mod root {
mozIsHTML = 18,
unresolved = 19,
mozNativeAnonymous = 20,
mozSystemMetric = 21,
mozLocaleDir = 22,
mozLWTheme = 23,
mozLWThemeBrightText = 24,
mozLWThemeDarkText = 25,
mozWindowInactive = 26,
mozTableBorderNonzero = 27,
mozBrowserFrame = 28,
scope = 29,
negation = 30,
dir = 31,
link = 32,
mozAnyLink = 33,
anyLink = 34,
visited = 35,
active = 36,
checked = 37,
disabled = 38,
enabled = 39,
focus = 40,
focusWithin = 41,
hover = 42,
mozDragOver = 43,
target = 44,
indeterminate = 45,
mozDevtoolsHighlighted = 46,
mozStyleeditorTransitioning = 47,
fullscreen = 48,
mozFullScreen = 49,
mozFocusRing = 50,
mozBroken = 51,
mozLoading = 52,
mozUserDisabled = 53,
mozSuppressed = 54,
mozHandlerClickToPlay = 55,
mozHandlerVulnerableUpdatable = 56,
mozHandlerVulnerableNoUpdate = 57,
mozHandlerDisabled = 58,
mozHandlerBlocked = 59,
mozHandlerCrashed = 60,
mozMathIncrementScriptLevel = 61,
mozHasDirAttr = 62,
mozDirAttrLTR = 63,
mozDirAttrRTL = 64,
mozDirAttrLikeAuto = 65,
mozAutofill = 66,
mozAutofillPreview = 67,
required = 68,
optional = 69,
valid = 70,
invalid = 71,
inRange = 72,
outOfRange = 73,
defaultPseudo = 74,
placeholderShown = 75,
mozReadOnly = 76,
mozReadWrite = 77,
mozSubmitInvalid = 78,
mozUIInvalid = 79,
mozUIValid = 80,
mozMeterOptimum = 81,
mozMeterSubOptimum = 82,
mozMeterSubSubOptimum = 83,
mozPlaceholder = 84,
Count = 85,
NotPseudo = 86,
MAX = 87,
mozUseShadowTreeRoot = 21,
mozSystemMetric = 22,
mozLocaleDir = 23,
mozLWTheme = 24,
mozLWThemeBrightText = 25,
mozLWThemeDarkText = 26,
mozWindowInactive = 27,
mozTableBorderNonzero = 28,
mozBrowserFrame = 29,
scope = 30,
negation = 31,
dir = 32,
link = 33,
mozAnyLink = 34,
anyLink = 35,
visited = 36,
active = 37,
checked = 38,
disabled = 39,
enabled = 40,
focus = 41,
focusWithin = 42,
hover = 43,
mozDragOver = 44,
target = 45,
indeterminate = 46,
mozDevtoolsHighlighted = 47,
mozStyleeditorTransitioning = 48,
fullscreen = 49,
mozFullScreen = 50,
mozFocusRing = 51,
mozBroken = 52,
mozLoading = 53,
mozUserDisabled = 54,
mozSuppressed = 55,
mozHandlerClickToPlay = 56,
mozHandlerVulnerableUpdatable = 57,
mozHandlerVulnerableNoUpdate = 58,
mozHandlerDisabled = 59,
mozHandlerBlocked = 60,
mozHandlerCrashed = 61,
mozMathIncrementScriptLevel = 62,
mozHasDirAttr = 63,
mozDirAttrLTR = 64,
mozDirAttrRTL = 65,
mozDirAttrLikeAuto = 66,
mozAutofill = 67,
mozAutofillPreview = 68,
required = 69,
optional = 70,
valid = 71,
invalid = 72,
inRange = 73,
outOfRange = 74,
defaultPseudo = 75,
placeholderShown = 76,
mozReadOnly = 77,
mozReadWrite = 78,
mozSubmitInvalid = 79,
mozUIInvalid = 80,
mozUIValid = 81,
mozMeterOptimum = 82,
mozMeterSubOptimum = 83,
mozMeterSubSubOptimum = 84,
mozPlaceholder = 85,
Count = 86,
NotPseudo = 87,
MAX = 88,
}
#[repr(C)]
#[derive(Debug)]

1
components/style/gecko/non_ts_pseudo_class_list.rs
View file

@ -111,6 +111,7 @@ macro_rules! apply_non_ts_list {
("-moz-last-node", MozLastNode, lastNode, _, _),
("-moz-only-whitespace", MozOnlyWhitespace, mozOnlyWhitespace, _, _),
("-moz-native-anonymous", MozNativeAnonymous, mozNativeAnonymous, _, PSEUDO_CLASS_INTERNAL),
("-moz-use-shadow-tree-root", MozUseShadowTreeRoot, mozUseShadowTreeRoot, _, PSEUDO_CLASS_INTERNAL),
("-moz-is-html", MozIsHTML, mozIsHTML, _, _),
("-moz-placeholder", MozPlaceholder, mozPlaceholder, _, _),
],

21
components/style/gecko/wrapper.rs
View file

@ -1567,7 +1567,8 @@ impl<'le> ::selectors::Element for GeckoElement<'le> {
}
NonTSPseudoClass::MozTableBorderNonzero |
NonTSPseudoClass::MozBrowserFrame |
NonTSPseudoClass::MozNativeAnonymous => unsafe {
NonTSPseudoClass::MozNativeAnonymous |
NonTSPseudoClass::MozUseShadowTreeRoot => unsafe {
Gecko_MatchesElement(pseudo_class.to_gecko_pseudoclasstype().unwrap(), self.0)
},
NonTSPseudoClass::MozIsHTML => {
@ -1656,6 +1657,24 @@ impl<'le> ::selectors::Element for GeckoElement<'le> {
node_info.mInner.mNamespaceID == (structs::root::kNameSpaceID_XHTML as i32) &&
node.owner_doc().mType == structs::root::nsIDocument_Type::eHTML
}
fn blocks_ancestor_combinators(&self) -> bool {
use gecko_bindings::structs::NODE_IS_ANONYMOUS_ROOT;
if self.flags() & (NODE_IS_ANONYMOUS_ROOT as u32) == 0 {
return false
}
match self.parent_element() {
Some(e) => {
// If this element is the shadow root of an use-element shadow
// tree, according to the spec, we should not match rules
// cross the shadow DOM boundary.
e.get_local_name().as_ptr() == atom!("use").as_ptr() &&
e.get_namespace() == &*Namespace(atom!("http://www.w3.org/2000/svg"))
},
None => false,
}
}
}
/// A few helpers to help with attribute selectors and snapshotting.