Auto merge of #14647 - servo:current-global, r=jdm

Support the 'current' global object.

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components/script/dom/document.rs

@@ -1822,6 +1822,7 @@ impl Document {
     pub fn new_inherited(window: &Window,
                          browsing_context: Option<&BrowsingContext>,
                          url: Option<ServoUrl>,
+                         origin: Origin,
                          is_html_document: IsHTMLDocument,
                          content_type: Option<DOMString>,
                          last_modified: Option<String>,
@@ -1838,15 +1839,6 @@ impl Document {
             (DocumentReadyState::Complete, true)
         };
 
-        // Incomplete implementation of Document origin specification at
-        // https://html.spec.whatwg.org/multipage/#origin:document
-        let origin = if url_has_network_scheme(&url) {
-            Origin::new(&url)
-        } else {
-            // Default to DOM standard behaviour
-            Origin::opaque_identifier()
-        };
-
         Document {
             node: Node::new_document_node(),
             window: JS::from_ref(window),
@@ -1932,6 +1924,7 @@ impl Document {
         Ok(Document::new(window,
                          None,
                          None,
+                         doc.origin().alias(),
                          IsHTMLDocument::NonHTMLDocument,
                          None,
                          None,
@@ -1944,6 +1937,7 @@ impl Document {
     pub fn new(window: &Window,
                browsing_context: Option<&BrowsingContext>,
                url: Option<ServoUrl>,
+               origin: Origin,
                doctype: IsHTMLDocument,
                content_type: Option<DOMString>,
                last_modified: Option<String>,
@@ -1955,6 +1949,7 @@ impl Document {
         let document = reflect_dom_object(box Document::new_inherited(window,
                                                                       browsing_context,
                                                                       url,
+                                                                      origin,
                                                                       doctype,
                                                                       content_type,
                                                                       last_modified,
@@ -2026,6 +2021,8 @@ impl Document {
             let new_doc = Document::new(self.window(),
                                         None,
                                         None,
+                                        // https://github.com/whatwg/html/issues/2109
+                                        Origin::opaque_identifier(),
                                         doctype,
                                         None,
                                         None,

components/script/dom/domimplementation.rs

@@ -79,6 +79,7 @@ impl DOMImplementationMethods for DOMImplementation {
         let doc = XMLDocument::new(win,
                                    None,
                                    None,
+                                   self.document.origin().alias(),
                                    IsHTMLDocument::NonHTMLDocument,
                                    Some(DOMString::from(content_type)),
                                    None,
@@ -124,6 +125,7 @@ impl DOMImplementationMethods for DOMImplementation {
         let doc = Document::new(win,
                                 None,
                                 None,
+                                self.document.origin().alias(),
                                 IsHTMLDocument::HTMLDocument,
                                 None,
                                 None,

components/script/dom/domparser.rs

@@ -61,6 +61,7 @@ impl DOMParserMethods for DOMParser {
                 let document = Document::new(&self.window,
                                              None,
                                              Some(url.clone()),
+                                             doc.origin().alias(),
                                              IsHTMLDocument::HTMLDocument,
                                              Some(content_type),
                                              None,
@@ -77,6 +78,7 @@ impl DOMParserMethods for DOMParser {
                 let document = Document::new(&self.window,
                                              None,
                                              Some(url.clone()),
+                                             doc.origin().alias(),
                                              IsHTMLDocument::NonHTMLDocument,
                                              Some(content_type),
                                              None,

components/script/dom/globalscope.rs

@@ -27,7 +27,7 @@ use js::jsapi::{HandleValue, Evaluate2, JSAutoCompartment, JSContext};
 use js::jsapi::{JSObject, JS_GetContext};
 use js::jsapi::{JS_GetObjectRuntime, MutableHandleValue};
 use js::panic::maybe_resume_unwind;
-use js::rust::{CompileOptionsWrapper, get_object_class};
+use js::rust::{CompileOptionsWrapper, Runtime, get_object_class};
 use libc;
 use msg::constellation_msg::PipelineId;
 use net_traits::{CoreResourceThread, ResourceThreads, IpcSend};
@@ -506,6 +506,19 @@ impl GlobalScope {
         }
         unreachable!();
     }
+
+    /// Returns the ["current"] global object.
+    ///
+    /// ["current"]: https://html.spec.whatwg.org/multipage/#current
+    #[allow(unsafe_code)]
+    pub fn current() -> Root<Self> {
+        unsafe {
+            let cx = Runtime::get();
+            assert!(!cx.is_null());
+            let global = CurrentGlobalOrNull(cx);
+            global_scope_from_global(global)
+        }
+    }
 }
 
 fn timestamp_in_ms(time: Timespec) -> u64 {

components/script/dom/htmliframeelement.rs

@@ -168,7 +168,7 @@ impl HTMLIFrameElement {
                 layout_threads: PREFS.get("layout.threads").as_u64().expect("count") as usize,
             };
 
-            ScriptThread::process_attach_layout(new_layout_info);
+            ScriptThread::process_attach_layout(new_layout_info, document.origin().alias());
         } else {
             let load_info = IFrameLoadInfoWithData {
                 info: load_info,
@@ -332,11 +332,9 @@ impl HTMLIFrameElement {
         self.pipeline_id.get()
             .and_then(|pipeline_id| ScriptThread::find_document(pipeline_id))
             .and_then(|document| {
-                // FIXME(#10964): this should use the Document's origin and the
+                let current_global = GlobalScope::current();
-                //                origin of the incumbent settings object.
+                let current_document = current_global.as_window().Document();
-                let contained_url = document.global().get_url();
+                if document.origin().same_origin(current_document.origin()) {
-                if self.global().get_url().origin() == contained_url.origin() ||
-                   contained_url.as_str() == "about:blank" {
                     Some(Root::from_ref(document.window()))
                 } else {
                     None

components/script/dom/node.rs

@@ -1720,6 +1720,8 @@ impl Node {
                 let loader = DocumentLoader::new(&*document.loader());
                 let document = Document::new(window, None,
                                              Some(document.url()),
+                                             // https://github.com/whatwg/dom/issues/378
+                                             document.origin().alias(),
                                              is_html_doc, None,
                                              None, DocumentSource::NotFromParser, loader,
                                              None, None);

components/script/dom/servoparser/mod.rs

@@ -106,6 +106,7 @@ impl ServoParser {
         // Step 1.
         let loader = DocumentLoader::new(&*context_document.loader());
         let document = Document::new(window, None, Some(url.clone()),
+                                     context_document.origin().alias(),
                                      IsHTMLDocument::HTMLDocument,
                                      None, None,
                                      DocumentSource::FromParser,

components/script/dom/xmldocument.rs

@@ -16,6 +16,7 @@ use dom::location::Location;
 use dom::node::Node;
 use dom::window::Window;
 use js::jsapi::{JSContext, JSObject};
+use origin::Origin;
 use servo_url::ServoUrl;
 
 // https://dom.spec.whatwg.org/#xmldocument
@@ -28,6 +29,7 @@ impl XMLDocument {
     fn new_inherited(window: &Window,
                      browsing_context: Option<&BrowsingContext>,
                      url: Option<ServoUrl>,
+                     origin: Origin,
                      is_html_document: IsHTMLDocument,
                      content_type: Option<DOMString>,
                      last_modified: Option<String>,
@@ -37,6 +39,7 @@ impl XMLDocument {
             document: Document::new_inherited(window,
                                               browsing_context,
                                               url,
+                                              origin,
                                               is_html_document,
                                               content_type,
                                               last_modified,
@@ -50,6 +53,7 @@ impl XMLDocument {
     pub fn new(window: &Window,
                browsing_context: Option<&BrowsingContext>,
                url: Option<ServoUrl>,
+               origin: Origin,
                doctype: IsHTMLDocument,
                content_type: Option<DOMString>,
                last_modified: Option<String>,
@@ -60,6 +64,7 @@ impl XMLDocument {
             box XMLDocument::new_inherited(window,
                                            browsing_context,
                                            url,
+                                           origin,
                                            doctype,
                                            content_type,
                                            last_modified,

components/script/dom/xmlhttprequest.rs

@@ -1204,6 +1204,7 @@ impl XMLHttpRequest {
         Document::new(win,
                       None,
                       parsed_url,
+                      doc.origin().alias(),
                       is_html_document,
                       content_type,
                       None,

components/script/script_thread.rs

@@ -77,6 +77,7 @@ use net_traits::image_cache_thread::{ImageCacheChan, ImageCacheResult, ImageCach
 use net_traits::request::{CredentialsMode, Destination, RequestInit};
 use net_traits::storage_thread::StorageType;
 use network_listener::NetworkListener;
+use origin::Origin;
 use profile_traits::mem::{self, OpaqueSender, Report, ReportKind, ReportsChan};
 use profile_traits::time::{self, ProfilerCategory, profile};
 use script_layout_interface::message::{self, NewLayoutThreadInfo, ReflowQueryType};
@@ -152,6 +153,7 @@ struct InProgressLoad {
     is_visible: bool,
     /// The requested URL of the load.
     url: ServoUrl,
+    origin: Origin,
 }
 
 impl InProgressLoad {
@@ -161,7 +163,8 @@ impl InProgressLoad {
            parent_info: Option<(PipelineId, FrameType)>,
            layout_chan: Sender<message::Msg>,
            window_size: Option<WindowSizeData>,
-           url: ServoUrl) -> InProgressLoad {
+           url: ServoUrl,
+           origin: Origin) -> InProgressLoad {
         InProgressLoad {
             pipeline_id: id,
             frame_id: frame_id,
@@ -172,6 +175,7 @@ impl InProgressLoad {
             is_frozen: false,
             is_visible: true,
             url: url,
+            origin: origin,
         }
     }
 }
@@ -537,8 +541,9 @@ impl ScriptThreadFactory for ScriptThread {
 
             let mut failsafe = ScriptMemoryFailsafe::new(&script_thread);
 
+            let origin = Origin::new(&load_data.url);
             let new_load = InProgressLoad::new(id, frame_id, parent_info, layout_chan, window_size,
-                                               load_data.url.clone());
+                                               load_data.url.clone(), origin);
             script_thread.start_page_load(new_load, load_data);
 
             let reporter_name = format!("script-reporter-{}", id);
@@ -602,12 +607,12 @@ impl ScriptThread {
         });
     }
 
-    pub fn process_attach_layout(new_layout_info: NewLayoutInfo) {
+    pub fn process_attach_layout(new_layout_info: NewLayoutInfo, origin: Origin) {
         SCRIPT_THREAD_ROOT.with(|root| {
             if let Some(script_thread) = root.get() {
                 let script_thread = unsafe { &*script_thread };
                 script_thread.profile_event(ScriptThreadEventCategory::AttachLayout, || {
-                    script_thread.handle_new_layout(new_layout_info);
+                    script_thread.handle_new_layout(new_layout_info, origin);
                 })
             }
         });
@@ -778,7 +783,8 @@ impl ScriptThread {
                 FromConstellation(ConstellationControlMsg::AttachLayout(
                         new_layout_info)) => {
                     self.profile_event(ScriptThreadEventCategory::AttachLayout, || {
-                        self.handle_new_layout(new_layout_info);
+                        let origin = Origin::new(&new_layout_info.load_data.url);
+                        self.handle_new_layout(new_layout_info, origin);
                     })
                 }
                 FromConstellation(ConstellationControlMsg::Resize(id, size, size_type)) => {
@@ -1189,7 +1195,7 @@ impl ScriptThread {
         window.set_scroll_offsets(scroll_offsets)
     }
 
-    fn handle_new_layout(&self, new_layout_info: NewLayoutInfo) {
+    fn handle_new_layout(&self, new_layout_info: NewLayoutInfo, origin: Origin) {
         let NewLayoutInfo {
             parent_info,
             new_pipeline_id,
@@ -1231,7 +1237,7 @@ impl ScriptThread {
         // Kick off the fetch for the new resource.
         let new_load = InProgressLoad::new(new_pipeline_id, frame_id, parent_info,
                                            layout_chan, window_size,
-                                           load_data.url.clone());
+                                           load_data.url.clone(), origin);
         if load_data.url.as_str() == "about:blank" {
             self.start_page_load_about_blank(new_load);
         } else {
@@ -1803,6 +1809,7 @@ impl ScriptThread {
         let document = Document::new(&window,
                                      Some(&browsing_context),
                                      Some(final_url.clone()),
+                                     incomplete.origin,
                                      is_html_document,
                                      content_type,
                                      last_modified,