fission-shell 0.3.0

Shared shell runtime contracts for hosting Fission applications
Documentation 
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use fission_ir::WidgetNodeId;
use fission_render::LayoutRect;
use serde::{Deserialize, Serialize};

pub mod async_host;

#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
pub enum Platform {
    Desktop,
    Web,
    Mobile,
    Test,
}

#[derive(Debug, Clone, Copy, PartialEq)]
pub struct VideoSurfaceFrame {
    pub widget_id: WidgetNodeId,
    pub surface_id: u64,
    pub rect: LayoutRect,
}

pub trait VideoBackend: Send + Sync {
    fn create_player(&self, source: &str) -> Box<dyn VideoPlayer>;
    fn present_surfaces(&self, frames: &[VideoSurfaceFrame]);
}

pub trait VideoPlayer: Send + Sync {
    fn play(&mut self);
    fn pause(&mut self);
    fn stop(&mut self);
    fn position(&self) -> u64;
    fn duration(&self) -> Option<u64>;
    fn surface_id(&self) -> u64;
    fn poll_events(&mut self) -> Vec<VideoEvent>;
    fn seek_to(&mut self, position_ms: u64);
    fn set_rate(&mut self, rate: f32);
    fn set_volume(&mut self, volume: f32);
    fn set_muted(&mut self, muted: bool);
}

#[derive(Debug, Clone, PartialEq)]
pub enum VideoEvent {
    Ready { duration: u64 },
    Ended,
    Error(String),
}