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Experimental implementation of (a small subset of) mozbrowser APIs.

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This commit is contained in:
Glenn Watson 2015-03-19 15:40:04 +10:00
parent fef439726a
commit bf9b8f7050
10 changed files with 393 additions and 40 deletions
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119
components/script/dom/htmliframeelement.rs
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@ -8,12 +8,18 @@ use dom::attr::AttrHelpers;
use dom::bindings::codegen::Bindings::HTMLIFrameElementBinding;
use dom::bindings::codegen::Bindings::HTMLIFrameElementBinding::HTMLIFrameElementMethods;
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use dom::bindings::codegen::InheritTypes::{NodeCast, ElementCast};
use dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLIFrameElementDerived};
use dom::bindings::codegen::InheritTypes::{NodeCast, ElementCast, EventCast};
use dom::bindings::codegen::InheritTypes::{EventTargetCast, HTMLElementCast, HTMLIFrameElementDerived};
use dom::bindings::conversions::ToJSValConvertible;
use dom::bindings::error::{ErrorResult, Fallible};
use dom::bindings::error::Error::NotSupported;
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{JSRef, Temporary, OptionalRootable};
use dom::customevent::CustomEvent;
use dom::document::Document;
use dom::element::Element;
use dom::element::AttributeHandlers;
use dom::event::{Event, EventBubbles, EventCancelable, EventHelpers};
use dom::eventtarget::{EventTarget, EventTargetTypeId};
use dom::element::ElementTypeId;
use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
@ -23,13 +29,15 @@ use dom::virtualmethods::VirtualMethods;
use dom::window::{Window, WindowHelpers};
use page::IterablePage;
use msg::constellation_msg::{PipelineId, SubpageId, ConstellationChan};
use msg::constellation_msg::{PipelineId, SubpageId, ConstellationChan, NavigationDirection};
use msg::constellation_msg::IFrameSandboxState::{IFrameSandboxed, IFrameUnsandboxed};
use msg::constellation_msg::Msg as ConstellationMsg;
use util::opts;
use util::str::DOMString;
use string_cache::Atom;
use std::ascii::AsciiExt;
use std::borrow::ToOwned;
use std::cell::Cell;
use url::{Url, UrlParser};
@ -64,6 +72,7 @@ pub trait HTMLIFrameElementHelpers {
fn process_the_iframe_attributes(self);
fn generate_new_subpage_id(self) -> (SubpageId, Option<SubpageId>);
fn navigate_child_browsing_context(self, url: Url);
fn dispatch_mozbrowser_event(self, event_name: String, event_detail: Option<String>);
}
impl<'a> HTMLIFrameElementHelpers for JSRef<'a, HTMLIFrameElement> {
@ -112,6 +121,11 @@ impl<'a> HTMLIFrameElementHelpers for JSRef<'a, HTMLIFrameElement> {
new_subpage_id,
old_subpage_id,
sandboxed)).unwrap();
if opts::experimental_enabled() {
// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowserloadstart
self.dispatch_mozbrowser_event("mozbrowserloadstart".to_owned(), None);
}
}
fn process_the_iframe_attributes(self) {
@ -122,6 +136,26 @@ impl<'a> HTMLIFrameElementHelpers for JSRef<'a, HTMLIFrameElement> {
self.navigate_child_browsing_context(url);
}
fn dispatch_mozbrowser_event(self, event_name: String, event_detail: Option<String>) {
// TODO(gw): Support mozbrowser event types that have detail which is not a string.
// See https://developer.mozilla.org/en-US/docs/Web/API/Using_the_Browser_API
// for a list of mozbrowser events.
assert!(opts::experimental_enabled());
if self.Mozbrowser() {
let window = window_from_node(self).root();
let cx = window.r().get_cx();
let custom_event = CustomEvent::new(GlobalRef::Window(window.r()),
event_name.to_owned(),
true,
true,
event_detail.to_jsval(cx)).root();
let target: JSRef<EventTarget> = EventTargetCast::from_ref(self);
let event: JSRef<Event> = EventCast::from_ref(custom_event.r());
event.fire(target);
}
}
}
impl HTMLIFrameElement {
@ -199,6 +233,85 @@ impl<'a> HTMLIFrameElementMethods for JSRef<'a, HTMLIFrameElement> {
}
})
}
// Experimental mozbrowser implementation is based on the webidl
// present in the gecko source tree, and the documentation here:
// https://developer.mozilla.org/en-US/docs/Web/API/Using_the_Browser_API
// TODO(gw): Use experimental codegen when it is available to avoid
// exposing these APIs. See https://github.com/servo/servo/issues/5264.
// https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe#attr-mozbrowser
fn Mozbrowser(self) -> bool {
if opts::experimental_enabled() {
let element: JSRef<Element> = ElementCast::from_ref(self);
element.has_attribute(&Atom::from_slice("mozbrowser"))
} else {
false
}
}
fn SetMozbrowser(self, value: bool) -> ErrorResult {
if opts::experimental_enabled() {
let element: JSRef<Element> = ElementCast::from_ref(self);
element.set_bool_attribute(&Atom::from_slice("mozbrowser"), value);
}
Ok(())
}
// https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/goBack
fn GoBack(self) -> Fallible<()> {
if self.Mozbrowser() {
let node: JSRef<Node> = NodeCast::from_ref(self);
if node.is_in_doc() {
let window = window_from_node(self).root();
let window = window.r();
let pipeline_info = Some((self.containing_page_pipeline_id().unwrap(),
self.subpage_id().unwrap()));
let ConstellationChan(ref chan) = window.constellation_chan();
let msg = ConstellationMsg::Navigate(pipeline_info, NavigationDirection::Back);
chan.send(msg).unwrap();
}
Ok(())
} else {
debug!("this frame is not mozbrowser (or experimental_enabled is false)");
Err(NotSupported)
}
}
// https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/goForward
fn GoForward(self) -> Fallible<()> {
if self.Mozbrowser() {
let node: JSRef<Node> = NodeCast::from_ref(self);
if node.is_in_doc() {
let window = window_from_node(self).root();
let window = window.r();
let pipeline_info = Some((self.containing_page_pipeline_id().unwrap(),
self.subpage_id().unwrap()));
let ConstellationChan(ref chan) = window.constellation_chan();
let msg = ConstellationMsg::Navigate(pipeline_info, NavigationDirection::Forward);
chan.send(msg).unwrap();
}
Ok(())
} else {
debug!("this frame is not mozbrowser (or experimental_enabled is false)");
Err(NotSupported)
}
}
// https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/reload
fn Reload(self, _hardReload: bool) -> Fallible<()> {
Err(NotSupported)
}
// https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/stop
fn Stop(self) -> Fallible<()> {
Err(NotSupported)
}
}
impl<'a> VirtualMethods for JSRef<'a, HTMLIFrameElement> {