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Don't require passing a root element to Document::new (needed for issue #888).

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This commit is contained in:
Ms2ger 2013-10-05 21:42:13 +02:00
parent f13438d012
commit c93d13b0da
4 changed files with 183 additions and 127 deletions
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56
src/components/script/dom/document.rs
View file

@ -76,6 +76,12 @@ impl AbstractDocument {
_ => fail!("attempt to downcast a non-HTMLDocument to HTMLDocument")
}
}
pub fn set_root(&mut self, root: AbstractNode<ScriptView>) {
self.with_mut_base(|document| {
document.set_root(root);
});
}
}
pub enum DocumentType {
@ -85,7 +91,7 @@ pub enum DocumentType {
}
pub struct Document {
root: AbstractNode<ScriptView>,
root: Option<AbstractNode<ScriptView>>,
wrapper: WrapperCache,
window: Option<@mut Window>,
doctype: DocumentType,
@ -94,9 +100,9 @@ pub struct Document {
impl Document {
#[fixed_stack_segment]
pub fn new(root: AbstractNode<ScriptView>, window: Option<@mut Window>, doctype: DocumentType) -> Document {
pub fn new(window: Option<@mut Window>, doctype: DocumentType) -> Document {
Document {
root: root,
root: None,
wrapper: WrapperCache::new(),
window: window,
doctype: doctype,
@ -104,14 +110,22 @@ impl Document {
}
}
pub fn set_root(&mut self, root: AbstractNode<ScriptView>) {
self.root = Some(root);
}
pub fn Constructor(owner: @mut Window) -> Fallible<AbstractDocument> {
let cx = owner.page.js_info.get_ref().js_compartment.cx.ptr;
let mut document = AbstractDocument::as_abstract(cx, @mut Document::new(None, XML));
let root = @HTMLHtmlElement {
htmlelement: HTMLElement::new(HTMLHtmlElementTypeId, ~"html")
};
let cx = owner.page.js_info.get_ref().js_compartment.cx.ptr;
let root = unsafe { Node::as_abstract_node(cx, root) };
Ok(AbstractDocument::as_abstract(cx, @mut Document::new(root, None, XML)))
document.set_root(root);
Ok(document)
}
}
@ -208,7 +222,7 @@ impl Document {
}
pub fn GetDocumentElement(&self) -> Option<AbstractNode<ScriptView>> {
Some(self.root)
self.root
}
fn get_cx(&self) -> *JSContext {
@ -288,7 +302,10 @@ impl Document {
fail!("no SVG document yet")
},
_ => {
let _ = for node in self.root.traverse_preorder() {
match self.root {
None => {},
Some(root) => {
let _ = for node in root.traverse_preorder() {
if node.type_id() != ElementNodeTypeId(HTMLTitleElementTypeId) {
loop;
}
@ -304,6 +321,8 @@ impl Document {
};
}
}
}
}
let v: ~[&str] = title.word_iter().collect();
title = v.connect(" ");
title = title.trim().to_owned();
@ -317,7 +336,10 @@ impl Document {
},
_ => {
let (_scope, cx) = self.get_scope_and_cx();
let _ = for node in self.root.traverse_preorder() {
match self.root {
None => {},
Some(root) => {
let _ = for node in root.traverse_preorder() {
if node.type_id() != ElementNodeTypeId(HTMLHeadElementTypeId) {
loop;
}
@ -347,6 +369,8 @@ impl Document {
};
}
}
}
}
Ok(())
}
@ -440,7 +464,10 @@ impl Document {
pub fn createHTMLCollection(&self, callback: &fn(elem: &Element) -> bool) -> @mut HTMLCollection {
let mut elements = ~[];
let _ = for child in self.root.traverse_preorder() {
match self.root {
None => {},
Some(root) => {
let _ = for child in root.traverse_preorder() {
if child.is_element() {
do child.with_imm_element |elem| {
if callback(elem) {
@ -449,6 +476,8 @@ impl Document {
}
}
};
}
}
let (scope, cx) = self.get_scope_and_cx();
HTMLCollection::new(elements, cx, scope)
}
@ -469,13 +498,16 @@ impl Document {
impl Traceable for Document {
#[fixed_stack_segment]
fn trace(&self, tracer: *mut JSTracer) {
match self.root {
None => {},
Some(root) => {
unsafe {
(*tracer).debugPrinter = ptr::null();
(*tracer).debugPrintIndex = -1;
do "root".to_c_str().with_ref |name| {
(*tracer).debugPrintArg = name as *libc::c_void;
debug!("tracing root node");
do self.root.with_base |node| {
do root.with_base |node| {
JS_CallTracer(tracer as *JSTracer,
node.wrapper.wrapper,
JSTRACE_OBJECT as u32);
@ -483,4 +515,6 @@ impl Traceable for Document {
}
}
}
}
}
}

24
src/components/script/dom/domparser.rs
View file

@ -41,26 +41,26 @@ impl DOMParser {
_s: &DOMString,
ty: DOMParserBinding::SupportedType)
-> Fallible<AbstractDocument> {
unsafe {
let root = @HTMLHtmlElement {
htmlelement: HTMLElement::new(HTMLHtmlElementTypeId, ~"html")
};
let root = Node::as_abstract_node((*self.owner.page).js_info.get_ref().js_compartment.cx.ptr, root);
let cx = (*self.owner.page).js_info.get_ref().js_compartment.cx.ptr;
match ty {
let mut document = match ty {
Text_html => {
Ok(HTMLDocument::new(root, None))
HTMLDocument::new(None)
}
Text_xml => {
Ok(AbstractDocument::as_abstract(cx, @mut Document::new(root, None, XML)))
AbstractDocument::as_abstract(cx, @mut Document::new(None, XML))
}
_ => {
fail!("unsupported document type")
}
}
}
};
let root = @HTMLHtmlElement {
htmlelement: HTMLElement::new(HTMLHtmlElementTypeId, ~"html")
};
let root = unsafe { Node::as_abstract_node(cx, root) };
document.set_root(root);
Ok(document)
}
}

11
src/components/script/dom/htmldocument.rs
View file

@ -24,9 +24,9 @@ pub struct HTMLDocument {
}
impl HTMLDocument {
pub fn new(root: AbstractNode<ScriptView>, window: Option<@mut Window>) -> AbstractDocument {
pub fn new(window: Option<@mut Window>) -> AbstractDocument {
let doc = @mut HTMLDocument {
parent: Document::new(root, window, HTML)
parent: Document::new(window, HTML)
};
let compartment = window.get_ref().page.js_info.get_ref().js_compartment;
@ -70,8 +70,11 @@ impl HTMLDocument {
}
pub fn GetHead(&self) -> Option<AbstractNode<ScriptView>> {
match self.parent.root {
None => None,
Some(root) => {
let mut headNode: Option<AbstractNode<ScriptView>> = None;
let _ = for child in self.parent.root.traverse_preorder() {
let _ = for child in root.traverse_preorder() {
if child.type_id() == ElementNodeTypeId(HTMLHeadElementTypeId) {
headNode = Some(child);
break;
@ -79,6 +82,8 @@ impl HTMLDocument {
};
headNode
}
}
}
pub fn Images(&self) -> @mut HTMLCollection {
self.parent.createHTMLCollection(|elem| eq_slice(elem.tag_name, "img"))

43
src/components/script/script_task.rs
View file

@ -217,21 +217,27 @@ impl<'self> Iterator<@mut Page> for PageTreeIterator<'self> {
impl Page {
/// Adds the given damage.
fn damage(&mut self, level: DocumentDamageLevel) {
let root = do self.frame.get_ref().document.with_base |doc| { doc.root };
match root {
None => {},
Some(root) => {
match self.damage {
None => {}
Some(ref mut damage) => {
// FIXME(pcwalton): This is wrong. We should trace up to the nearest ancestor.
damage.root = do self.frame.get_ref().document.with_base |doc| { doc.root };
damage.root = root;
damage.level.add(level);
return
}
}
self.damage = Some(DocumentDamage {
root: do self.frame.get_ref().document.with_base |doc| { doc.root },
root: root,
level: level,
})
}
};
}
/// Sends a ping to layout and waits for the response. The response will arrive when the
/// layout task has finished any pending request messages.
@ -269,7 +275,17 @@ impl Page {
///
/// This function fails if there is no root frame.
fn reflow(&mut self, goal: ReflowGoal, script_chan: ScriptChan, compositor: @ScriptListener) {
let root = match self.frame {
None => fail!(~"Tried to relayout with no root frame!"),
Some(ref frame) => {
do frame.document.with_base |doc| {
doc.root
}
}
};
match root {
None => {},
Some(root) => {
debug!("script: performing reflow for goal %?", goal);
// Now, join the layout so that they will see the latest changes we have made.
@ -284,12 +300,9 @@ impl Page {
self.last_reflow_id += 1;
match self.frame {
None => fail!(~"Tried to relayout with no root frame!"),
Some(ref frame) => {
// Send new document and relevant styles to layout.
let reflow = ~Reflow {
document_root: do frame.document.with_base |doc| { doc.root },
document_root: root,
url: self.url.get_ref().first().clone(),
goal: goal,
window_size: self.window_size.get(),
@ -299,12 +312,12 @@ impl Page {
id: self.last_reflow_id,
};
self.layout_chan.send(ReflowMsg(reflow))
}
}
self.layout_chan.send(ReflowMsg(reflow));
debug!("script: layout forked")
}
}
}
/// Reflows the entire document.
///
@ -709,9 +722,10 @@ impl ScriptTask {
page.next_subpage_id.clone(),
self.constellation_chan.clone());
let HtmlParserResult {root, discovery_port, url: final_url} = html_parsing_result;
let mut document = HTMLDocument::new(Some(window));
let document = HTMLDocument::new(root, Some(window));
let HtmlParserResult {root, discovery_port, url: final_url} = html_parsing_result;
document.set_root(root);
// Create the root frame.
page.frame = Some(Frame {
@ -817,8 +831,11 @@ impl ScriptTask {
let root = do page.frame.expect("root frame is None").document.with_base |doc| {
doc.root
};
if root.is_none() {
return;
}
let (port, chan) = comm::stream();
match page.query_layout(HitTestQuery(root, point, chan), port) {
match page.query_layout(HitTestQuery(root.unwrap(), point, chan), port) {
Ok(node) => match node {
HitTestResponse(node) => {
debug!("clicked on %s", node.debug_str());