Separate the DOM and layout into separate crates.

src/components/script/dom/document.rs

@@ -0,0 +1,68 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::document;
+use dom::bindings::utils::{DOMString, WrapperCache};
+use dom::htmlcollection::HTMLCollection;
+use dom::node::{AbstractNode, ScriptView};
+use dom::window::Window;
+use script_task::global_script_context;
+
+use js::jsapi::bindgen::{JS_AddObjectRoot, JS_RemoveObjectRoot};
+use servo_util::tree::{TreeNodeRef, TreeUtils};
+
+pub struct Document {
+    root: AbstractNode<ScriptView>,
+    wrapper: WrapperCache,
+    window: Option<@mut Window>,
+}
+
+pub fn Document(root: AbstractNode<ScriptView>, window: Option<@mut Window>) -> @mut Document {
+    let doc = @mut Document {
+        root: root,
+        wrapper: WrapperCache::new(),
+        window: window
+    };
+    let compartment = global_script_context().js_compartment;
+    do root.with_base |base| {
+        assert!(base.wrapper.get_wrapper().is_not_null());
+        let rootable = base.wrapper.get_rootable();
+        JS_AddObjectRoot(compartment.cx.ptr, rootable);
+    }
+    document::create(compartment, doc);
+    doc
+}
+
+pub impl Document {
+    fn getElementsByTagName(&self, tag: DOMString) -> Option<@mut HTMLCollection> {
+        let mut elements = ~[];
+        let tag = tag.to_str();
+        let _ = for self.root.traverse_preorder |child| {
+            if child.is_element() {
+                do child.with_imm_element |elem| {
+                    if elem.tag_name == tag {
+                        elements.push(child);
+                    }
+                }
+            }
+        };
+        Some(HTMLCollection::new(elements))
+    }
+
+    fn content_changed(&self) {
+        for self.window.each |window| {
+            window.content_changed()
+        }
+    }
+
+    fn teardown(&self) {
+        let compartment = global_script_context().js_compartment;
+        do self.root.with_base |node| {
+            assert!(node.wrapper.get_wrapper().is_not_null());
+            let rootable = node.wrapper.get_rootable();
+            JS_RemoveObjectRoot(compartment.cx.ptr, rootable);
+        }
+    }
+}
+