/* 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/. */

//! The high-level interface from script to compositor. Using this abstract interface helps reduce
/// coupling between these two components

pub enum ReadyState {
    /// Informs the compositor that a page is loading. Used for setting status
    Loading,
    /// Informs the compositor that a page is performing layout. Used for setting status
    PerformingLayout,
    /// Informs the compositor that a page is finished loading. Used for setting status
    FinishedLoading,
}

/// The interface used by the script task to tell the compositor to update its ready state,
/// which is used in displaying the appropriate message in the window's title.
pub trait ScriptListener : Clone {
    fn set_ready_state(&self, ReadyState);
}