зеркало из https://github.com/mozilla/gecko-dev.git
246 строки
10 KiB
Rust
246 строки
10 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::TimelineMarkerType;
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use devtools_traits::{AutoMargins, CONSOLE_API, CachedConsoleMessage, CachedConsoleMessageTypes};
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use devtools_traits::{ComputedNodeLayout, ConsoleAPI, PageError, ScriptToDevtoolsControlMsg};
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use devtools_traits::{EvaluateJSReply, Modification, NodeInfo, PAGE_ERROR, TimelineMarker};
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use dom::bindings::codegen::Bindings::CSSStyleDeclarationBinding::CSSStyleDeclarationMethods;
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use dom::bindings::codegen::Bindings::DOMRectBinding::DOMRectMethods;
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use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
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use dom::bindings::codegen::Bindings::ElementBinding::ElementMethods;
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use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
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use dom::bindings::conversions::{FromJSValConvertible, jsstring_to_str};
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use dom::bindings::global::GlobalRef;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::Root;
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use dom::element::Element;
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use dom::node::Node;
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use dom::window::Window;
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use ipc_channel::ipc::IpcSender;
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use js::jsapi::{ObjectClassName, RootedObject, RootedValue};
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use js::jsval::UndefinedValue;
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use msg::constellation_msg::PipelineId;
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use page::{IterablePage, Page};
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use script_thread::get_page;
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use std::ffi::CStr;
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use std::rc::Rc;
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use std::str;
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use style::properties::longhands::{margin_top, margin_right, margin_bottom, margin_left};
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use util::str::DOMString;
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use uuid::Uuid;
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#[allow(unsafe_code)]
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pub fn handle_evaluate_js(global: &GlobalRef, eval: String, reply: IpcSender<EvaluateJSReply>) {
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// global.get_cx() returns a valid `JSContext` pointer, so this is safe.
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let result = unsafe {
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let cx = global.get_cx();
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let mut rval = RootedValue::new(cx, UndefinedValue());
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global.evaluate_js_on_global_with_result(&eval, rval.handle_mut());
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if rval.ptr.is_undefined() {
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EvaluateJSReply::VoidValue
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} else if rval.ptr.is_boolean() {
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EvaluateJSReply::BooleanValue(rval.ptr.to_boolean())
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} else if rval.ptr.is_double() || rval.ptr.is_int32() {
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EvaluateJSReply::NumberValue(FromJSValConvertible::from_jsval(cx, rval.handle(), ())
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.unwrap())
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} else if rval.ptr.is_string() {
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EvaluateJSReply::StringValue(String::from(jsstring_to_str(cx, rval.ptr.to_string())))
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} else if rval.ptr.is_null() {
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EvaluateJSReply::NullValue
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} else {
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assert!(rval.ptr.is_object());
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let obj = RootedObject::new(cx, rval.ptr.to_object());
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let class_name = CStr::from_ptr(ObjectClassName(cx, obj.handle()));
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let class_name = str::from_utf8(class_name.to_bytes()).unwrap();
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EvaluateJSReply::ActorValue {
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class: class_name.to_owned(),
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uuid: Uuid::new_v4().to_string(),
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}
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}
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};
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reply.send(result).unwrap();
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}
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pub fn handle_get_root_node(page: &Rc<Page>, pipeline: PipelineId, reply: IpcSender<NodeInfo>) {
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let page = get_page(&*page, pipeline);
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let document = page.document();
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let node = document.upcast::<Node>();
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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>,
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pipeline: PipelineId,
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reply: IpcSender<NodeInfo>) {
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let page = get_page(&*page, pipeline);
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let document = page.document();
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let document_element = document.GetDocumentElement().unwrap();
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let node = document_element.upcast::<Node>();
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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) -> Root<Node> {
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let page = get_page(&*page, pipeline);
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let document = page.document();
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let node = document.upcast::<Node>();
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for candidate in node.traverse_preorder() {
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if candidate.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>,
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pipeline: PipelineId,
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node_id: String,
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reply: IpcSender<Vec<NodeInfo>>) {
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let parent = find_node_by_unique_id(&*page, pipeline, node_id);
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let children = parent.children()
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.map(|child| child.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>,
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pipeline: PipelineId,
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node_id: String,
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reply: IpcSender<ComputedNodeLayout>) {
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let node = find_node_by_unique_id(&*page, pipeline, node_id);
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let elem = node.downcast::<Element>().expect("should be getting layout of element");
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let rect = elem.GetBoundingClientRect();
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let width = rect.Width() as f32;
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let height = rect.Height() as f32;
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let window = page.window();
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let elem = node.downcast::<Element>().expect("should be getting layout of element");
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let computed_style = window.r().GetComputedStyle(elem, None);
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reply.send(ComputedNodeLayout {
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display: String::from(computed_style.Display()),
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position: String::from(computed_style.Position()),
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zIndex: String::from(computed_style.ZIndex()),
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boxSizing: String::from(computed_style.BoxSizing()),
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autoMargins: determine_auto_margins(&window, &*node),
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marginTop: String::from(computed_style.MarginTop()),
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marginRight: String::from(computed_style.MarginRight()),
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marginBottom: String::from(computed_style.MarginBottom()),
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marginLeft: String::from(computed_style.MarginLeft()),
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borderTopWidth: String::from(computed_style.BorderTopWidth()),
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borderRightWidth: String::from(computed_style.BorderRightWidth()),
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borderBottomWidth: String::from(computed_style.BorderBottomWidth()),
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borderLeftWidth: String::from(computed_style.BorderLeftWidth()),
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paddingTop: String::from(computed_style.PaddingTop()),
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paddingRight: String::from(computed_style.PaddingRight()),
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paddingBottom: String::from(computed_style.PaddingBottom()),
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paddingLeft: String::from(computed_style.PaddingLeft()),
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width: width,
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height: height,
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}).unwrap();
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}
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fn determine_auto_margins(window: &Window, node: &Node) -> AutoMargins {
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let margin = window.margin_style_query(node.to_trusted_node_address());
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AutoMargins {
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top: margin.top == margin_top::computed_value::T::Auto,
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right: margin.right == margin_right::computed_value::T::Auto,
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bottom: margin.bottom == margin_bottom::computed_value::T::Auto,
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left: margin.left == margin_left::computed_value::T::Auto,
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}
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}
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pub fn handle_get_cached_messages(_pipeline_id: PipelineId,
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message_types: CachedConsoleMessageTypes,
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reply: IpcSender<Vec<CachedConsoleMessage>>) {
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// TODO: check the messageTypes against a global Cache for console messages and page exceptions
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let mut messages = Vec::new();
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if message_types.contains(PAGE_ERROR) {
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// TODO: make script error reporter pass all reported errors
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// to devtools and cache them for returning here.
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let msg = PageError {
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_type: "PageError".to_owned(),
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errorMessage: "page error test".to_owned(),
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sourceName: String::new(),
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lineText: String::new(),
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lineNumber: 0,
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columnNumber: 0,
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category: String::new(),
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timeStamp: 0,
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error: false,
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warning: false,
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exception: false,
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strict: false,
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private: false,
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};
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messages.push(CachedConsoleMessage::PageError(msg));
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}
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if message_types.contains(CONSOLE_API) {
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// TODO: do for real
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let msg = ConsoleAPI {
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_type: "ConsoleAPI".to_owned(),
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level: "error".to_owned(),
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filename: "http://localhost/~mihai/mozilla/test.html".to_owned(),
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lineNumber: 0,
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functionName: String::new(),
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timeStamp: 0,
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private: false,
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arguments: vec!["console error test".to_owned()],
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};
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messages.push(CachedConsoleMessage::ConsoleAPI(msg));
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}
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reply.send(messages).unwrap();
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}
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pub fn handle_modify_attribute(page: &Rc<Page>,
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pipeline: PipelineId,
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node_id: String,
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modifications: Vec<Modification>) {
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let node = find_node_by_unique_id(&*page, pipeline, node_id);
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let elem = node.downcast::<Element>().expect("should be getting layout of element");
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for modification in modifications {
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match modification.newValue {
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Some(string) => {
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let _ = elem.SetAttribute(DOMString::from(modification.attributeName),
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DOMString::from(string));
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},
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None => elem.RemoveAttribute(DOMString::from(modification.attributeName)),
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}
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}
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}
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pub fn handle_wants_live_notifications(global: &GlobalRef, send_notifications: bool) {
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global.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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marker_types: Vec<TimelineMarkerType>,
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reply: IpcSender<TimelineMarker>) {
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let window = page.window();
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window.set_devtools_timeline_markers(marker_types, reply);
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}
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pub fn handle_drop_timeline_markers(page: &Rc<Page>, marker_types: Vec<TimelineMarkerType>) {
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let window = page.window();
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window.drop_devtools_timeline_markers(marker_types);
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}
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pub fn handle_request_animation_frame(page: &Rc<Page>, id: PipelineId, actor_name: String) {
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let page = page.find(id).expect("There is no such page");
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let doc = page.document();
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let devtools_sender = page.window().devtools_chan().unwrap();
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doc.request_animation_frame(box move |time| {
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let msg = ScriptToDevtoolsControlMsg::FramerateTick(actor_name, time);
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devtools_sender.send(msg).unwrap();
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});
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}
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