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Split devtools implementation into sensible modules.
This commit is contained in:
Josh Matthews
parent
cdb4037ca2
commit
bb9955c281
7 changed files with 699 additions and 555 deletions
284
components/devtools/actors/console.rs
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284
components/devtools/actors/console.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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/// Liberally derived from the [Firefox JS implementation](http://mxr.mozilla.org/mozilla-central/source/toolkit/devtools/server/actors/webconsole.js).
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/// Mediates interaction between the remote web console and equivalent functionality (object
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/// inspection, JS evaluation, autocompletion) in Servo.
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use actor::{Actor, ActorRegistry};
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use protocol::JsonPacketSender;
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use devtools_traits::{EvaluateJS, NullValue, VoidValue, NumberValue, StringValue, BooleanValue};
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use devtools_traits::{ActorValue, DevtoolScriptControlMsg};
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use servo_msg::constellation_msg::PipelineId;
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use collections::TreeMap;
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use serialize::json;
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use serialize::json::ToJson;
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use std::io::TcpStream;
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#[deriving(Encodable)]
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struct StartedListenersTraits {
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customNetworkRequest: bool,
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}
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#[deriving(Encodable)]
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struct StartedListenersReply {
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from: String,
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nativeConsoleAPI: bool,
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startedListeners: Vec<String>,
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traits: StartedListenersTraits,
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}
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#[deriving(Encodable)]
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struct ConsoleAPIMessage {
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_type: String, //FIXME: should this be __type__ instead?
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}
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#[deriving(Encodable)]
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struct PageErrorMessage {
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_type: String, //FIXME: should this be __type__ instead?
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errorMessage: String,
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sourceName: String,
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lineText: String,
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lineNumber: uint,
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columnNumber: uint,
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category: String,
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timeStamp: uint,
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warning: bool,
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error: bool,
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exception: bool,
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strict: bool,
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private: bool,
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}
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#[deriving(Encodable)]
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struct LogMessage {
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_type: String, //FIXME: should this be __type__ instead?
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timeStamp: uint,
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message: String,
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}
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#[deriving(Encodable)]
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enum ConsoleMessageType {
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ConsoleAPIType(ConsoleAPIMessage),
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PageErrorType(PageErrorMessage),
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LogMessageType(LogMessage),
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}
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#[deriving(Encodable)]
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struct GetCachedMessagesReply {
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from: String,
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messages: Vec<json::Object>,
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}
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#[deriving(Encodable)]
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struct StopListenersReply {
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from: String,
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stoppedListeners: Vec<String>,
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}
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#[deriving(Encodable)]
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struct AutocompleteReply {
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from: String,
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matches: Vec<String>,
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matchProp: String,
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}
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#[deriving(Encodable)]
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struct EvaluateJSReply {
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from: String,
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input: String,
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result: json::Json,
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timestamp: uint,
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exception: json::Json,
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exceptionMessage: String,
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helperResult: json::Json,
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}
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pub struct ConsoleActor {
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pub name: String,
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pub pipeline: PipelineId,
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pub script_chan: Sender<DevtoolScriptControlMsg>,
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}
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impl Actor for ConsoleActor {
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fn name(&self) -> String {
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self.name.clone()
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}
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fn handle_message(&self,
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_registry: &ActorRegistry,
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msg_type: &String,
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msg: &json::Object,
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stream: &mut TcpStream) -> bool {
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match msg_type.as_slice() {
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"getCachedMessages" => {
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let types = msg.find(&"messageTypes".to_string()).unwrap().as_list().unwrap();
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let /*mut*/ messages = vec!();
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for msg_type in types.iter() {
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let msg_type = msg_type.as_string().unwrap();
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match msg_type.as_slice() {
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"ConsoleAPI" => {
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//TODO: figure out all consoleapi properties from FFOX source
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}
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"PageError" => {
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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 message = PageErrorMessage {
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_type: msg_type.to_string(),
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sourceName: "".to_string(),
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lineText: "".to_string(),
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lineNumber: 0,
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columnNumber: 0,
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category: "".to_string(),
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warning: false,
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error: true,
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exception: false,
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strict: false,
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private: false,
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timeStamp: 0,
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errorMessage: "page error test".to_string(),
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};
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messages.push(json::from_str(json::encode(&message).as_slice()).unwrap().as_object().unwrap().clone());*/
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}
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"LogMessage" => {
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//TODO: figure out when LogMessage is necessary
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/*let message = LogMessage {
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_type: msg_type.to_string(),
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timeStamp: 0,
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message: "log message test".to_string(),
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};
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messages.push(json::from_str(json::encode(&message).as_slice()).unwrap().as_object().unwrap().clone());*/
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}
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s => println!("unrecognized message type requested: \"{:s}\"", s),
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}
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}
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let msg = GetCachedMessagesReply {
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from: self.name(),
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messages: messages,
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};
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stream.write_json_packet(&msg);
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true
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}
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"startListeners" => {
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//TODO: actually implement listener filters that support starting/stopping
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let msg = StartedListenersReply {
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from: self.name(),
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nativeConsoleAPI: true,
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startedListeners:
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vec!("PageError".to_string(), "ConsoleAPI".to_string()),
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traits: StartedListenersTraits {
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customNetworkRequest: true,
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}
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};
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stream.write_json_packet(&msg);
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true
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}
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"stopListeners" => {
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//TODO: actually implement listener filters that support starting/stopping
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let msg = StopListenersReply {
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from: self.name(),
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stoppedListeners: msg.find(&"listeners".to_string())
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.unwrap()
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.as_list()
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.unwrap_or(&vec!())
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.iter()
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.map(|listener| listener.as_string().unwrap().to_string())
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.collect(),
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};
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stream.write_json_packet(&msg);
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true
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}
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//TODO: implement autocompletion like onAutocomplete in
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// http://mxr.mozilla.org/mozilla-central/source/toolkit/devtools/server/actors/webconsole.js
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"autocomplete" => {
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let msg = AutocompleteReply {
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from: self.name(),
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matches: vec!(),
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matchProp: "".to_string(),
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};
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stream.write_json_packet(&msg);
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true
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}
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"evaluateJS" => {
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let input = msg.find(&"text".to_string()).unwrap().as_string().unwrap().to_string();
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let (chan, port) = channel();
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self.script_chan.send(EvaluateJS(self.pipeline, input.clone(), chan));
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//TODO: extract conversion into protocol module or some other useful place
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let result = match port.recv() {
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VoidValue => {
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let mut m = TreeMap::new();
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m.insert("type".to_string(), "undefined".to_string().to_json());
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json::Object(m)
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}
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NullValue => {
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let mut m = TreeMap::new();
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m.insert("type".to_string(), "null".to_string().to_json());
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json::Object(m)
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}
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BooleanValue(val) => val.to_json(),
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NumberValue(val) => {
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if val.is_nan() {
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let mut m = TreeMap::new();
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m.insert("type".to_string(), "NaN".to_string().to_json());
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json::Object(m)
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} else if val.is_infinite() {
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let mut m = TreeMap::new();
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if val < 0. {
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m.insert("type".to_string(), "Infinity".to_string().to_json());
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} else {
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m.insert("type".to_string(), "-Infinity".to_string().to_json());
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}
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json::Object(m)
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} else if val == Float::neg_zero() {
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let mut m = TreeMap::new();
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m.insert("type".to_string(), "-0".to_string().to_json());
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json::Object(m)
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} else {
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val.to_json()
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}
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}
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StringValue(s) => s.to_json(),
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ActorValue(s) => {
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//TODO: make initial ActorValue message include these properties.
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let mut m = TreeMap::new();
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m.insert("type".to_string(), "object".to_string().to_json());
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m.insert("class".to_string(), "???".to_string().to_json());
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m.insert("actor".to_string(), s.to_json());
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m.insert("extensible".to_string(), true.to_json());
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m.insert("frozen".to_string(), false.to_json());
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m.insert("sealed".to_string(), false.to_json());
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json::Object(m)
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}
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};
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//TODO: catch and return exception values from JS evaluation
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let msg = EvaluateJSReply {
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from: self.name(),
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input: input,
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result: result,
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timestamp: 0,
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exception: json::Object(TreeMap::new()),
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exceptionMessage: "".to_string(),
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helperResult: json::Object(TreeMap::new()),
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};
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stream.write_json_packet(&msg);
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true
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}
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_ => false
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}
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}
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}
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