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Implement non-visible pipeline and iframe visibility methods

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This commit is contained in:
jmr0 2016-03-09 01:24:46 -05:00
parent ce88b8ed30
commit 2bff131535
14 changed files with 382 additions and 24 deletions
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54
components/script/dom/htmliframeelement.rs
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@ -11,12 +11,13 @@ use dom::bindings::codegen::Bindings::BrowserElementBinding::BrowserElementLocat
use dom::bindings::codegen::Bindings::BrowserElementBinding::BrowserElementOpenTabEventDetail;
use dom::bindings::codegen::Bindings::BrowserElementBinding::BrowserElementOpenWindowEventDetail;
use dom::bindings::codegen::Bindings::BrowserElementBinding::BrowserElementSecurityChangeDetail;
use dom::bindings::codegen::Bindings::BrowserElementBinding::BrowserElementVisibilityChangeEventDetail;
use dom::bindings::codegen::Bindings::BrowserElementBinding::BrowserShowModalPromptEventDetail;
use dom::bindings::codegen::Bindings::HTMLIFrameElementBinding;
use dom::bindings::codegen::Bindings::HTMLIFrameElementBinding::HTMLIFrameElementMethods;
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use dom::bindings::conversions::ToJSValConvertible;
use dom::bindings::error::{Error, ErrorResult};
use dom::bindings::error::{Error, ErrorResult, Fallible};
use dom::bindings::global::GlobalRef;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{Root, LayoutJS};
@ -66,6 +67,7 @@ pub struct HTMLIFrameElement {
subpage_id: Cell<Option<SubpageId>>,
sandbox: Cell<Option<u8>>,
load_blocker: DOMRefCell<Option<LoadBlocker>>,
visibility: Cell<bool>,
}
impl HTMLIFrameElement {
@ -196,6 +198,7 @@ impl HTMLIFrameElement {
subpage_id: Cell::new(None),
sandbox: Cell::new(None),
load_blocker: DOMRefCell::new(None),
visibility: Cell::new(true),
}
}
@ -221,6 +224,26 @@ impl HTMLIFrameElement {
self.pipeline_id.get()
}
pub fn change_visibility_status(&self, visibility: bool) {
if self.visibility.get() != visibility {
self.visibility.set(visibility);
// Visibility changes are only exposed to Mozbrowser iframes
if self.Mozbrowser() {
self.dispatch_mozbrowser_event(MozBrowserEvent::VisibilityChange(visibility));
}
}
}
pub fn set_visible(&self, visible: bool) {
if let Some(pipeline_id) = self.pipeline_id.get() {
let window = window_from_node(self);
let window = window.r();
let msg = ConstellationMsg::SetVisible(pipeline_id, visible);
window.constellation_chan().send(msg).unwrap();
}
}
/// https://html.spec.whatwg.org/multipage/#iframe-load-event-steps steps 1-4
pub fn iframe_load_event_steps(&self, loaded_pipeline: PipelineId) {
// TODO(#9592): assert that the load blocker is present at all times when we
@ -387,6 +410,11 @@ impl MozBrowserEventDetailBuilder for HTMLIFrameElement {
returnValue: Some(DOMString::from(return_value)),
}.to_jsval(cx, rval)
}
MozBrowserEvent::VisibilityChange(visibility) => {
BrowserElementVisibilityChangeEventDetail {
visible: Some(visibility),
}.to_jsval(cx, rval);
}
}
}
}
@ -498,6 +526,30 @@ impl HTMLIFrameElementMethods for HTMLIFrameElement {
}
}
// https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/setVisible
fn SetVisible(&self, visible: bool) -> ErrorResult {
if self.Mozbrowser() {
self.set_visible(visible);
Ok(())
} else {
debug!("this frame is not mozbrowser: mozbrowser attribute missing, or not a top
level window, or mozbrowser preference not set (use --pref dom.mozbrowser.enabled)");
Err(Error::NotSupported)
}
}
// https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/getVisible
fn GetVisible(&self) -> Fallible<bool> {
if self.Mozbrowser() {
Ok(self.visibility.get())
} else {
debug!("this frame is not mozbrowser: mozbrowser attribute missing, or not a top
level window, or mozbrowser preference not set (use --pref dom.mozbrowser.enabled)");
Err(Error::NotSupported)
}
}
// https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/stop
fn Stop(&self) -> ErrorResult {
Err(Error::NotSupported)