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Bug 1322945 - Improve ergonomics and share more code for style crate DOM tree logging. r=heycam

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MozReview-Commit-ID: 4Fy3ujpI4n2
This commit is contained in:
Bobby Holley 2016-12-12 15:36:41 -08:00
parent 3a56954069
commit 61eadbe7f1
5 changed files with 113 additions and 83 deletions
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63
components/script/layout_wrapper.rs
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@ -86,7 +86,11 @@ impl<'ln> Debug for ServoLayoutNode<'ln> {
if let Some(el) = self.as_element() {
el.fmt(f)
} else {
write!(f, "{:?} ({:#x})", self.type_id(), self.opaque().0)
if self.is_text_node() {
write!(f, "<text node> ({:#x})", self.opaque().0)
} else {
write!(f, "<non-text node> ({:#x})", self.opaque().0)
}
}
}
}
@ -156,15 +160,6 @@ impl<'ln> TNode for ServoLayoutNode<'ln> {
transmute(node)
}
fn dump(self) {
self.dump_indent(0);
}
fn dump_style(self) {
println!("\nDOM with computed styles:");
self.dump_style_indent(0);
}
fn children(self) -> LayoutIterator<ServoChildrenIterator<'ln>> {
LayoutIterator(ServoChildrenIterator {
current: self.first_child(),
@ -290,54 +285,6 @@ impl<'le> GetLayoutData for ServoThreadSafeLayoutElement<'le> {
}
impl<'ln> ServoLayoutNode<'ln> {
fn dump_indent(self, indent: u32) {
let mut s = String::new();
for _ in 0..indent {
s.push_str(" ");
}
s.push_str(&self.debug_str());
println!("{}", s);
for kid in self.children() {
kid.dump_indent(indent + 1);
}
}
fn dump_style_indent(self, indent: u32) {
if self.is_element() {
let mut s = String::new();
for _ in 0..indent {
s.push_str(" ");
}
s.push_str(&self.debug_style_str());
println!("{}", s);
}
for kid in self.children() {
kid.dump_style_indent(indent + 1);
}
}
fn debug_str(self) -> String {
format!("{:?}: dirty_descendants={}",
self.script_type_id(),
self.as_element().map_or(false, |el| el.has_dirty_descendants()))
}
fn debug_style_str(self) -> String {
let maybe_element = self.as_element();
let maybe_data = match maybe_element {
Some(ref el) => el.borrow_data(),
None => None,
};
if let Some(data) = maybe_data {
format!("{:?}: {:?}", self.script_type_id(), &*data)
} else {
format!("{:?}: style_data=None", self.script_type_id())
}
}
/// Returns the interior of this node as a `LayoutJS`. This is highly unsafe for layout to
/// call and as such is marked `unsafe`.
pub unsafe fn get_jsmanaged(&self) -> &LayoutJS<Node> {