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Add ::from_layout_js factory to LayoutNode, LayoutElement, and LayoutDocument.

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This commit is contained in:
Bobby Holley 2015-11-10 11:23:10 -08:00
parent 7fa7936657
commit b29369296c
1 changed files with 24 additions and 27 deletions
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51
components/layout/wrapper.rs
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@ -91,14 +91,17 @@ impl<'a> PartialEq for LayoutNode<'a> {
} }
impl<'ln> LayoutNode<'ln> { impl<'ln> LayoutNode<'ln> {
pub unsafe fn new(address: &TrustedNodeAddress) -> LayoutNode { pub fn from_layout_js(n: LayoutJS<Node>) -> LayoutNode<'ln> {
let node = LayoutJS::from_trusted_node_address(*address);
LayoutNode { LayoutNode {
node: node, node: n,
chain: PhantomData, chain: PhantomData,
} }
} }
pub unsafe fn new(address: &TrustedNodeAddress) -> LayoutNode {
LayoutNode::from_layout_js(LayoutJS::from_trusted_node_address(*address))
}
/// Creates a new layout node with the same lifetime as this layout node. /// Creates a new layout node with the same lifetime as this layout node.
pub unsafe fn new_with_this_lifetime(&self, node: &LayoutJS<Node>) -> LayoutNode<'ln> { pub unsafe fn new_with_this_lifetime(&self, node: &LayoutJS<Node>) -> LayoutNode<'ln> {
LayoutNode { LayoutNode {
@ -215,12 +218,7 @@ impl<'ln> LayoutNode<'ln> {
} }
pub fn as_document(&self) -> Option<LayoutDocument<'ln>> { pub fn as_document(&self) -> Option<LayoutDocument<'ln>> {
self.node.downcast().map(|document| { self.node.downcast().map(|document| LayoutDocument::from_layout_js(document))
LayoutDocument {
document: document,
chain: PhantomData,
}
})
} }
fn parent_node(&self) -> Option<LayoutNode<'ln>> { fn parent_node(&self) -> Option<LayoutNode<'ln>> {
@ -363,24 +361,24 @@ pub struct LayoutDocument<'le> {
} }
impl<'le> LayoutDocument<'le> { impl<'le> LayoutDocument<'le> {
pub fn as_node(&self) -> LayoutNode<'le> { pub fn from_layout_js(doc: LayoutJS<Document>) -> LayoutDocument<'le> {
LayoutNode { LayoutDocument {
node: self.document.upcast(), document: doc,
chain: PhantomData, chain: PhantomData,
} }
} }
pub fn as_node(&self) -> LayoutNode<'le> {
LayoutNode::from_layout_js(self.document.upcast())
}
pub fn root_node(&self) -> Option<LayoutNode<'le>> { pub fn root_node(&self) -> Option<LayoutNode<'le>> {
self.as_node().children().find(LayoutNode::is_element) self.as_node().children().find(LayoutNode::is_element)
} }
pub fn drain_modified_elements(&self) -> Vec<(LayoutElement, ElementSnapshot)> { pub fn drain_modified_elements(&self) -> Vec<(LayoutElement, ElementSnapshot)> {
let elements = unsafe { self.document.drain_modified_elements() }; let elements = unsafe { self.document.drain_modified_elements() };
elements.into_iter().map(|(el, snapshot)| elements.into_iter().map(|(el, snapshot)| (LayoutElement::from_layout_js(el), snapshot)).collect()
(LayoutElement {
element: el,
chain: PhantomData,
}, snapshot)).collect()
} }
} }
@ -392,6 +390,13 @@ pub struct LayoutElement<'le> {
} }
impl<'le> LayoutElement<'le> { impl<'le> LayoutElement<'le> {
pub fn from_layout_js(el: LayoutJS<Element>) -> LayoutElement<'le> {
LayoutElement {
element: el,
chain: PhantomData,
}
}
pub fn style_attribute(&self) -> &'le Option<PropertyDeclarationBlock> { pub fn style_attribute(&self) -> &'le Option<PropertyDeclarationBlock> {
unsafe { unsafe {
&*self.element.style_attribute() &*self.element.style_attribute()
@ -399,10 +404,7 @@ impl<'le> LayoutElement<'le> {
} }
pub fn as_node(&self) -> LayoutNode<'le> { pub fn as_node(&self) -> LayoutNode<'le> {
LayoutNode { LayoutNode::from_layout_js(self.element.upcast())
node: self.element.upcast(),
chain: PhantomData,
}
} }
pub fn get_state(&self) -> ElementState { pub fn get_state(&self) -> ElementState {
@ -466,12 +468,7 @@ impl<'le> LayoutElement<'le> {
} }
fn as_element<'le>(node: LayoutJS<Node>) -> Option<LayoutElement<'le>> { fn as_element<'le>(node: LayoutJS<Node>) -> Option<LayoutElement<'le>> {
node.downcast().map(|element| { node.downcast().map(|element| LayoutElement::from_layout_js(element))
LayoutElement {
element: element,
chain: PhantomData,
}
})
} }
macro_rules! state_getter { macro_rules! state_getter {