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Implemeneted ModifyAttribute handler to update DOM elements.
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ad9aedac77
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6 changed files with 208 additions and 93 deletions
106
components/script/devtools.rs
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106
components/script/devtools.rs
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use devtools_traits;
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use devtools_traits::{EvaluateJSReply, NodeInfo, Modification};
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use dom::bindings::conversions;
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use dom::bindings::conversions::FromJSValConvertible;
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use dom::bindings::js::{JSRef, Temporary, OptionalRootable};
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use dom::bindings::codegen::InheritTypes::{NodeCast, ElementCast};
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use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
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use dom::bindings::codegen::Bindings::DOMRectBinding::{DOMRectMethods};
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use dom::bindings::codegen::Bindings::ElementBinding::{ElementMethods};
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use dom::node::{Node, NodeHelpers};
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use dom::window::{WindowHelpers};
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use dom::element::Element;
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use dom::document::DocumentHelpers;
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use page::Page;
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use servo_msg::constellation_msg::PipelineId;
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use script_task::get_page;
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use std::rc::Rc;
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pub fn handle_evaluate_js(page: &Rc<Page>, pipeline: PipelineId, eval: String, reply: Sender<EvaluateJSReply>){
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let page = get_page(&*page, pipeline);
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let frame = page.frame();
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let window = frame.as_ref().unwrap().window.root();
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let cx = window.get_cx();
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let rval = window.evaluate_js_with_result(eval.as_slice());
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reply.send(if rval.is_undefined() {
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devtools_traits::VoidValue
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} else if rval.is_boolean() {
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devtools_traits::BooleanValue(rval.to_boolean())
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} else if rval.is_double() {
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devtools_traits::NumberValue(FromJSValConvertible::from_jsval(cx, rval, ()).unwrap())
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} else if rval.is_string() {
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//FIXME: use jsstring_to_str when jsval grows to_jsstring
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devtools_traits::StringValue(FromJSValConvertible::from_jsval(cx, rval, conversions::Default).unwrap())
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} else {
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//FIXME: jsvals don't have an is_int32/is_number yet
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assert!(rval.is_object_or_null());
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panic!("object values unimplemented")
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});
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}
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pub fn handle_get_root_node(page: &Rc<Page>, pipeline: PipelineId, reply: Sender<NodeInfo>) {
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let page = get_page(&*page, pipeline);
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let frame = page.frame();
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let document = frame.as_ref().unwrap().document.root();
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let node: JSRef<Node> = NodeCast::from_ref(*document);
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reply.send(node.summarize());
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}
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pub fn handle_get_document_element(page: &Rc<Page>, pipeline: PipelineId, reply: Sender<NodeInfo>) {
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let page = get_page(&*page, pipeline);
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let frame = page.frame();
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let document = frame.as_ref().unwrap().document.root();
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let document_element = document.GetDocumentElement().root().unwrap();
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let node: JSRef<Node> = NodeCast::from_ref(*document_element);
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reply.send(node.summarize());
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}
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fn find_node_by_unique_id(page: &Rc<Page>, pipeline: PipelineId, node_id: String) -> Temporary<Node> {
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let page = get_page(&*page, pipeline);
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let frame = page.frame();
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let document = frame.as_ref().unwrap().document.root();
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let node: JSRef<Node> = NodeCast::from_ref(*document);
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for candidate in node.traverse_preorder() {
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if candidate.get_unique_id().as_slice() == node_id.as_slice() {
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return Temporary::from_rooted(candidate);
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}
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}
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panic!("couldn't find node with unique id {:s}", node_id)
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}
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pub fn handle_get_children(page: &Rc<Page>, pipeline: PipelineId, node_id: String, reply: Sender<Vec<NodeInfo>>) {
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let parent = find_node_by_unique_id(&*page, pipeline, node_id).root();
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let children = parent.children().map(|child| child.summarize()).collect();
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reply.send(children);
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}
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pub fn handle_get_layout(page: &Rc<Page>, pipeline: PipelineId, node_id: String, reply: Sender<(f32, f32)>) {
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let node = find_node_by_unique_id(&*page, pipeline, node_id).root();
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let elem: JSRef<Element> = ElementCast::to_ref(*node).expect("should be getting layout of element");
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let rect = elem.GetBoundingClientRect().root();
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reply.send((rect.Width(), rect.Height()));
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}
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pub fn handle_modify_attribute(page: &Rc<Page>, pipeline: PipelineId, node_id: String, modifications: Vec<Modification>) {
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let node = find_node_by_unique_id(&*page, pipeline, node_id).root();
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let elem: JSRef<Element> = ElementCast::to_ref(*node).expect("should be getting layout of element");
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for modification in modifications.iter(){
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match modification.newValue {
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Some(ref string) => {
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let _ = elem.SetAttribute(modification.attributeName.clone(), string.clone());
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},
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None => elem.RemoveAttribute(modification.attributeName.clone()),
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}
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}
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}
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