servo/components/layout_traits/lib.rs
2014-12-08 14:05:50 +09:00

57 lines
2 KiB
Rust

/* 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/. */
#![comment = "The Servo Parallel Browser Project"]
#![license = "MPL"]
#![deny(unused_imports)]
#![deny(unused_variables)]
extern crate gfx;
extern crate script_traits;
extern crate "msg" as servo_msg;
extern crate "net" as servo_net;
extern crate "util" as servo_util;
// This module contains traits in layout used generically
// in the rest of Servo.
// The traits are here instead of in layout so
// that these modules won't have to depend on layout.
use gfx::font_cache_task::FontCacheTask;
use gfx::paint_task::PaintChan;
use servo_msg::constellation_msg::{ConstellationChan, PipelineId};
use servo_msg::constellation_msg::Failure;
use servo_net::image_cache_task::ImageCacheTask;
use servo_net::resource_task::ResourceTask;
use servo_util::time::TimeProfilerChan;
use script_traits::{ScriptControlChan, OpaqueScriptLayoutChannel};
use std::comm::Sender;
/// Messages sent to the layout task from the constellation
pub enum LayoutControlMsg {
ExitNowMsg,
}
/// A channel wrapper for constellation messages
pub struct LayoutControlChan(pub Sender<LayoutControlMsg>);
// A static method creating a layout task
// Here to remove the compositor -> layout dependency
pub trait LayoutTaskFactory {
// FIXME: use a proper static method
fn create(_phantom: Option<&mut Self>,
id: PipelineId,
chan: OpaqueScriptLayoutChannel,
pipeline_port: Receiver<LayoutControlMsg>,
constellation_chan: ConstellationChan,
failure_msg: Failure,
script_chan: ScriptControlChan,
paint_chan: PaintChan,
resource_task: ResourceTask,
img_cache_task: ImageCacheTask,
font_cache_task: FontCacheTask,
time_profiler_chan: TimeProfilerChan,
shutdown_chan: Sender<()>);
}