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/* 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 std::cell::RefCell;
use std::rc::Rc;
use base::id::WebViewId;
use compositing::IOCompositor;
use compositing_traits::ConstellationMsg;
use webrender_api::units::DeviceRect;
use crate::ConstellationProxy;
pub struct WebView(Rc<WebViewInner>);
struct WebViewInner {
// TODO: ensure that WebView instances interact with the correct Servo instance
pub(crate) id: WebViewId,
pub(crate) constellation_proxy: ConstellationProxy,
pub(crate) compositor: Rc<RefCell<IOCompositor>>,
}
impl Drop for WebViewInner {
fn drop(&mut self) {
self.constellation_proxy
.send(ConstellationMsg::CloseWebView(self.id));
}
}
/// Handle for a webview.
///
/// - The webview exists for exactly as long as there are WebView handles
/// (FIXME: this is not true yet; webviews can still close of their own volition)
/// - All methods are infallible; if the constellation dies, the embedder finds out when calling
/// [Servo::handle_events](crate::Servo::handle_events)
impl WebView {
pub(crate) fn new(
constellation_proxy: &ConstellationProxy,
compositor: Rc<RefCell<IOCompositor>>,
url: url::Url,
) -> Self {
let webview_id = WebViewId::new();
constellation_proxy.send(ConstellationMsg::NewWebView(url.into(), webview_id));
Self(Rc::new(WebViewInner {
id: webview_id,
constellation_proxy: constellation_proxy.clone(),
compositor,
}))
}
/// FIXME: Remove this once we have a webview delegate.
pub(crate) fn new_auxiliary(
constellation_proxy: &ConstellationProxy,
compositor: Rc<RefCell<IOCompositor>>,
) -> Self {
let webview_id = WebViewId::new();
Self(
WebViewInner {
id: webview_id,
constellation_proxy: constellation_proxy.clone(),
compositor,
}
.into(),
)
}
/// FIXME: Remove this once we have a webview delegate.
pub fn id(&self) -> WebViewId {
self.0.id
}
pub fn focus(&self) {
self.0
.constellation_proxy
.send(ConstellationMsg::FocusWebView(self.id()));
}
pub fn blur(&self) {
self.0
.constellation_proxy
.send(ConstellationMsg::BlurWebView);
}
pub fn move_resize(&self, rect: DeviceRect) {
self.0
.compositor
.borrow_mut()
.move_resize_webview(self.id(), rect);
}
pub fn show(&self, hide_others: bool) {
self.0
.compositor
.borrow_mut()
.show_webview(self.id(), hide_others)
.expect("BUG: invalid WebView instance");
}
pub fn hide(&self) {
self.0
.compositor
.borrow_mut()
.hide_webview(self.id())
.expect("BUG: invalid WebView instance");
}
pub fn raise_to_top(&self, hide_others: bool) {
self.0
.compositor
.borrow_mut()
.raise_webview_to_top(self.id(), hide_others)
.expect("BUG: invalid WebView instance");
}
}
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