зеркало из https://github.com/mozilla/gecko-dev.git
150 строки
6.1 KiB
Rust
150 строки
6.1 KiB
Rust
/* 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::{EvaluateJSReply, NodeInfo, Modification, TimelineMarker, TimelineMarkerType};
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use dom::bindings::conversions::FromJSValConvertible;
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use dom::bindings::conversions::StringificationBehavior;
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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, ScriptHelpers};
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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 msg::constellation_msg::PipelineId;
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use script_task::{get_page, ScriptTask};
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use std::sync::mpsc::Sender;
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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 window = page.window().root();
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let cx = window.r().get_cx();
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let rval = window.r().evaluate_js_on_global_with_result(&eval);
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reply.send(if rval.is_undefined() {
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EvaluateJSReply::VoidValue
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} else if rval.is_boolean() {
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EvaluateJSReply::BooleanValue(rval.to_boolean())
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} else if rval.is_double() {
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EvaluateJSReply::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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EvaluateJSReply::StringValue(FromJSValConvertible::from_jsval(cx, rval, StringificationBehavior::Default).unwrap())
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} else if rval.is_null() {
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EvaluateJSReply::NullValue
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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());
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panic!("object values unimplemented")
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}).unwrap();
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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 document = page.document().root();
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let node: JSRef<Node> = NodeCast::from_ref(document.r());
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reply.send(node.summarize()).unwrap();
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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 document = page.document().root();
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let document_element = document.r().GetDocumentElement().root().unwrap();
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let node: JSRef<Node> = NodeCast::from_ref(document_element.r());
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reply.send(node.summarize()).unwrap();
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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 document = page.document().root();
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let node: JSRef<Node> = NodeCast::from_ref(document.r());
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for candidate in node.traverse_preorder() {
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if candidate.root().r().get_unique_id() == node_id {
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return candidate;
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}
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}
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panic!("couldn't find node with unique id {}", 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.r().children().map(|child| {
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let child = child.root();
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child.r().summarize()
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}).collect();
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reply.send(children).unwrap();
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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.r()).expect("should be getting layout of element");
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let rect = elem.GetBoundingClientRect().root();
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let width = *rect.r().Width();
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let height = *rect.r().Height();
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reply.send((width, height)).unwrap();
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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.r()).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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pub fn handle_wants_live_notifications(page: &Rc<Page>, pipeline_id: PipelineId, send_notifications: bool) {
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let page = get_page(&*page, pipeline_id);
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let window = page.window().root();
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window.r().set_devtools_wants_updates(send_notifications);
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}
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pub fn handle_set_timeline_markers(page: &Rc<Page>,
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script_task: &ScriptTask,
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marker_types: Vec<TimelineMarkerType>,
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reply: Sender<TimelineMarker>) {
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for marker_type in &marker_types {
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match *marker_type {
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TimelineMarkerType::Reflow => {
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let window = page.window().root();
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window.r().set_devtools_timeline_marker(TimelineMarkerType::Reflow, reply.clone());
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}
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TimelineMarkerType::DOMEvent => {
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script_task.set_devtools_timeline_marker(TimelineMarkerType::DOMEvent, reply.clone());
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}
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}
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}
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}
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pub fn handle_drop_timeline_markers(page: &Rc<Page>,
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script_task: &ScriptTask,
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marker_types: Vec<TimelineMarkerType>) {
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let window = page.window().root();
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for marker_type in &marker_types {
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match *marker_type {
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TimelineMarkerType::Reflow => {
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window.r().drop_devtools_timeline_markers();
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}
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TimelineMarkerType::DOMEvent => {
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script_task.drop_devtools_timeline_markers();
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}
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}
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}
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}
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