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Make DOM own the style and layout data, in an UnsafeCell
The previous Cell was a lie.
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parent
516e8e0aa6
commit
185a402d9c
17 changed files with 74 additions and 180 deletions
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@ -91,10 +91,6 @@ use style::str::is_whitespace;
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use style::stylist::CascadeData;
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use style::CaseSensitivityExt;
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pub unsafe fn drop_style_and_layout_data(data: OpaqueStyleAndLayoutData) {
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drop(Box::from_raw(data.as_ptr()));
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}
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#[derive(Clone, Copy)]
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pub struct ServoLayoutNode<'dom> {
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/// The wrapped node.
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@ -298,26 +294,26 @@ impl<'ln> LayoutNode<'ln> for ServoLayoutNode<'ln> {
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}
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}
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impl<'ln> GetLayoutData<'ln> for ServoLayoutNode<'ln> {
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fn get_style_and_layout_data(&self) -> Option<OpaqueStyleAndLayoutData> {
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impl<'dom> GetLayoutData<'dom> for ServoLayoutNode<'dom> {
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fn get_style_and_layout_data(self) -> Option<&'dom OpaqueStyleAndLayoutData> {
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unsafe { self.get_jsmanaged().get_style_and_layout_data() }
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}
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}
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impl<'le> GetLayoutData<'le> for ServoLayoutElement<'le> {
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fn get_style_and_layout_data(&self) -> Option<OpaqueStyleAndLayoutData> {
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impl<'dom> GetLayoutData<'dom> for ServoLayoutElement<'dom> {
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fn get_style_and_layout_data(self) -> Option<&'dom OpaqueStyleAndLayoutData> {
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self.as_node().get_style_and_layout_data()
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}
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}
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impl<'ln> GetLayoutData<'ln> for ServoThreadSafeLayoutNode<'ln> {
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fn get_style_and_layout_data(&self) -> Option<OpaqueStyleAndLayoutData> {
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impl<'dom> GetLayoutData<'dom> for ServoThreadSafeLayoutNode<'dom> {
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fn get_style_and_layout_data(self) -> Option<&'dom OpaqueStyleAndLayoutData> {
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self.node.get_style_and_layout_data()
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}
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}
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impl<'le> GetLayoutData<'le> for ServoThreadSafeLayoutElement<'le> {
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fn get_style_and_layout_data(&self) -> Option<OpaqueStyleAndLayoutData> {
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impl<'dom> GetLayoutData<'dom> for ServoThreadSafeLayoutElement<'dom> {
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fn get_style_and_layout_data(self) -> Option<&'dom OpaqueStyleAndLayoutData> {
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self.element.as_node().get_style_and_layout_data()
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}
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}
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@ -549,7 +545,7 @@ impl<'le> TElement for ServoLayoutElement<'le> {
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unsafe fn clear_data(&self) {
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if self.get_raw_data().is_some() {
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drop_style_and_layout_data(self.as_node().take_style_and_layout_data());
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drop(self.as_node().take_style_and_layout_data());
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}
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}
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@ -707,7 +703,7 @@ impl<'le> ServoLayoutElement<'le> {
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}
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fn get_style_data(&self) -> Option<&StyleData> {
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self.get_style_and_layout_data().map(|opaque| unsafe {
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self.get_style_and_layout_data().map(|opaque| {
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&opaque
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.downcast_ref::<StyleAndLayoutData>()
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.unwrap()
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@ -1072,7 +1068,7 @@ impl<'ln> ThreadSafeLayoutNode<'ln> for ServoThreadSafeLayoutNode<'ln> {
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})
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}
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fn get_style_and_layout_data(&self) -> Option<OpaqueStyleAndLayoutData> {
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fn get_style_and_layout_data(self) -> Option<&'ln OpaqueStyleAndLayoutData> {
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self.node.get_style_and_layout_data()
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}
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