servo/components/devtools/actors/stylesheets.rs

/* 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 https://mozilla.org/MPL/2.0/. */

use malloc_size_of_derive::MallocSizeOf;
use serde::Serialize;
use serde_json::{Map, Value};

use crate::StreamId;
use crate::actor::{Actor, ActorError, ActorRegistry};
use crate::protocol::ClientRequest;

#[derive(Serialize)]
#[serde(rename_all = "camelCase")]
struct GetStyleSheetsReply {
    from: String,
    style_sheets: Vec<u32>, // TODO: real JSON structure.
}

#[derive(MallocSizeOf)]
pub(crate) struct StyleSheetsActor {
    name: String,
}

impl Actor for StyleSheetsActor {
    fn name(&self) -> String {
        self.name.clone()
    }
    fn handle_message(
        &self,
        request: ClientRequest,
        _registry: &ActorRegistry,
        msg_type: &str,
        _msg: &Map<String, Value>,
        _id: StreamId,
    ) -> Result<(), ActorError> {
        match msg_type {
            "getStyleSheets" => {
                let msg = GetStyleSheetsReply {
                    from: self.name(),
                    style_sheets: vec![],
                };
                request.reply_final(&msg)?
            },

            _ => return Err(ActorError::UnrecognizedPacketType),
        };
        Ok(())
    }
}

impl StyleSheetsActor {
    pub fn new(name: String) -> StyleSheetsActor {
        StyleSheetsActor { name }
    }
}