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/* 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/. */
//! This module contains shared types and messages for use by devtools/script.
//! The traits are here instead of in script so that the devtools crate can be
//! modified independently of the rest of Servo.
#![crate_name = "devtools_traits"]
#![crate_type = "rlib"]
#![feature(int_uint)]
#![allow(non_snake_case)]
#![allow(missing_copy_implementations)]
extern crate "msg" as servo_msg;
extern crate serialize;
extern crate url;
extern crate "util" as servo_util;
pub use self::DevtoolsControlMsg::*;
pub use self::DevtoolScriptControlMsg::*;
pub use self::EvaluateJSReply::*;
use serialize::{Decodable, Decoder};
use servo_msg::constellation_msg::PipelineId;
use servo_util::str::DOMString;
use url::Url;
use std::sync::mpsc::{Sender, Receiver};
pub type DevtoolsControlChan = Sender<DevtoolsControlMsg>;
pub type DevtoolsControlPort = Receiver<DevtoolScriptControlMsg>;
// Information would be attached to NewGlobal to be received and show in devtools.
// Extend these fields if we need more information.
pub struct DevtoolsPageInfo {
pub title: DOMString,
pub url: Url
}
/// Messages to the instruct the devtools server to update its known actors/state
/// according to changes in the browser.
pub enum DevtoolsControlMsg {
NewGlobal(PipelineId, Sender<DevtoolScriptControlMsg>, DevtoolsPageInfo),
ServerExitMsg
}
/// Serialized JS return values
/// TODO: generalize this beyond the EvaluateJS message?
pub enum EvaluateJSReply {
VoidValue,
NullValue,
BooleanValue(bool),
NumberValue(f64),
StringValue(String),
ActorValue(String),
}
pub struct AttrInfo {
pub namespace: String,
pub name: String,
pub value: String,
}
pub struct NodeInfo {
pub uniqueId: String,
pub baseURI: String,
pub parent: String,
pub nodeType: uint,
pub namespaceURI: String,
pub nodeName: String,
pub numChildren: uint,
pub name: String,
pub publicId: String,
pub systemId: String,
pub attrs: Vec<AttrInfo>,
pub isDocumentElement: bool,
pub shortValue: String,
pub incompleteValue: bool,
}
/// Messages to process in a particular script task, as instructed by a devtools client.
pub enum DevtoolScriptControlMsg {
EvaluateJS(PipelineId, String, Sender<EvaluateJSReply>),
GetRootNode(PipelineId, Sender<NodeInfo>),
GetDocumentElement(PipelineId, Sender<NodeInfo>),
GetChildren(PipelineId, String, Sender<Vec<NodeInfo>>),
GetLayout(PipelineId, String, Sender<(f32, f32)>),
ModifyAttribute(PipelineId, String, Vec<Modification>),
}
/// Messages to instruct devtools server to update its state relating to a particular
/// tab.
pub enum ScriptDevtoolControlMsg {
/// Report a new JS error message
ReportConsoleMsg(String),
}
#[derive(Encodable)]
pub struct Modification{
pub attributeName: String,
pub newValue: Option<String>,
}
impl Decodable for Modification {
fn decode<D: Decoder>(d: &mut D) -> Result<Modification, D::Error> {
d.read_struct("Modification", 2u, |d|
Ok(Modification {
attributeName: try!(d.read_struct_field("attributeName", 0u, |d| Decodable::decode(d))),
newValue: match d.read_struct_field("newValue", 1u, |d| Decodable::decode(d)) {
Ok(opt) => opt,
Err(_) => None
}
})
)
}
}
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