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Format components canvas and canvas_traits #21373

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This commit is contained in:
kingdido999 2018-08-30 11:24:39 +08:00
parent 2a4bee540c
commit f472d05003
4 changed files with 89 additions and 47 deletions
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39
components/canvas_traits/webgl_channel/mod.rs
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@ -13,9 +13,7 @@ use servo_config::opts;
use std::fmt;
lazy_static! {
static ref IS_MULTIPROCESS: bool = {
opts::multiprocess()
};
static ref IS_MULTIPROCESS: bool = { opts::multiprocess() };
}
#[derive(Clone, Deserialize, Serialize)]
@ -34,41 +32,42 @@ impl<T: Serialize> WebGLSender<T> {
#[inline]
pub fn send(&self, msg: T) -> WebGLSendResult {
match *self {
WebGLSender::Ipc(ref sender) => {
sender.send(msg).map_err(|_| ())
},
WebGLSender::Mpsc(ref sender) => {
sender.send(msg).map_err(|_| ())
}
WebGLSender::Ipc(ref sender) => sender.send(msg).map_err(|_| ()),
WebGLSender::Mpsc(ref sender) => sender.send(msg).map_err(|_| ()),
}
}
}
pub type WebGLSendResult = Result<(), ()>;
pub enum WebGLReceiver<T> where T: for<'de> Deserialize<'de> + Serialize {
pub enum WebGLReceiver<T>
where
T: for<'de> Deserialize<'de> + Serialize,
{
Ipc(ipc::WebGLReceiver<T>),
Mpsc(mpsc::WebGLReceiver<T>),
}
impl<T> WebGLReceiver<T> where T: for<'de> Deserialize<'de> + Serialize {
impl<T> WebGLReceiver<T>
where
T: for<'de> Deserialize<'de> + Serialize,
{
pub fn recv(&self) -> Result<T, ()> {
match *self {
WebGLReceiver::Ipc(ref receiver) => {
receiver.recv().map_err(|_| ())
},
WebGLReceiver::Mpsc(ref receiver) => {
receiver.recv().map_err(|_| ())
}
WebGLReceiver::Ipc(ref receiver) => receiver.recv().map_err(|_| ()),
WebGLReceiver::Mpsc(ref receiver) => receiver.recv().map_err(|_| ()),
}
}
}
pub fn webgl_channel<T>() -> Result<(WebGLSender<T>, WebGLReceiver<T>), ()>
where T: for<'de> Deserialize<'de> + Serialize {
where
T: for<'de> Deserialize<'de> + Serialize,
{
if *IS_MULTIPROCESS {
ipc::webgl_channel().map(|(tx, rx)| (WebGLSender::Ipc(tx), WebGLReceiver::Ipc(rx)))
.map_err(|_| ())
ipc::webgl_channel()
.map(|(tx, rx)| (WebGLSender::Ipc(tx), WebGLReceiver::Ipc(rx)))
.map_err(|_| ())
} else {
mpsc::webgl_channel().map(|(tx, rx)| (WebGLSender::Mpsc(tx), WebGLReceiver::Mpsc(rx)))
}