diff options
Diffstat (limited to 'components/script/script_task.rs')
-rw-r--r-- | components/script/script_task.rs | 66 |
1 files changed, 39 insertions, 27 deletions
diff --git a/components/script/script_task.rs b/components/script/script_task.rs index 3041098e78c..4d319aa7527 100644 --- a/components/script/script_task.rs +++ b/components/script/script_task.rs @@ -33,6 +33,7 @@ use dom::bindings::utils::{wrap_for_same_compartment, pre_wrap}; use dom::document::{Document, IsHTMLDocument, DocumentHelpers, DocumentProgressHandler, DocumentProgressTask, DocumentSource}; use dom::element::{Element, AttributeHandlers}; use dom::event::{Event, EventHelpers, EventBubbles, EventCancelable}; +use dom::htmliframeelement::HTMLIFrameElementHelpers; use dom::uievent::UIEvent; use dom::eventtarget::EventTarget; use dom::node::{self, Node, NodeHelpers, NodeDamage, window_from_node}; @@ -116,7 +117,7 @@ struct InProgressLoad { /// The parent pipeline and child subpage associated with this load, if any. subpage_id: Option<(PipelineId, SubpageId)>, /// The current window size associated with this pipeline. - window_size: WindowSizeData, + window_size: Option<WindowSizeData>, /// Channel to the layout task associated with this pipeline. layout_chan: LayoutChan, /// The current viewport clipping rectangle applying to this pipelie, if any. @@ -130,7 +131,7 @@ impl InProgressLoad { fn new(id: PipelineId, subpage_id: Option<(PipelineId, SubpageId)>, layout_chan: LayoutChan, - window_size: WindowSizeData, + window_size: Option<WindowSizeData>, url: Url) -> InProgressLoad { InProgressLoad { pipeline_id: id, @@ -161,7 +162,7 @@ pub enum ScriptMsg { TriggerFragment(PipelineId, String), /// Begins a content-initiated load on the specified pipeline (only /// dispatched to ScriptTask). - TriggerLoad(PipelineId, LoadData), + Navigate(PipelineId, LoadData), /// Fires a JavaScript timeout /// TimerSource must be FromWindow when dispatched to ScriptTask and /// must be FromWorker when dispatched to a DedicatedGlobalWorkerScope @@ -340,7 +341,7 @@ impl ScriptTaskFactory for ScriptTask { storage_task: StorageTask, image_cache_task: ImageCacheTask, devtools_chan: Option<DevtoolsControlChan>, - window_size: WindowSizeData, + window_size: Option<WindowSizeData>, load_data: LoadData) where C: ScriptListener + Send + 'static { let ConstellationChan(const_chan) = constellation_chan.clone(); @@ -620,8 +621,8 @@ impl ScriptTask { match msg { ConstellationControlMsg::AttachLayout(_) => panic!("should have handled AttachLayout already"), - ConstellationControlMsg::Activate(id) => - self.handle_activate(id), + ConstellationControlMsg::Navigate(pipeline_id, subpage_id, load_data) => + self.handle_navigate(pipeline_id, Some(subpage_id), load_data), ConstellationControlMsg::SendEvent(id, event) => self.handle_event(id, event), ConstellationControlMsg::ReflowComplete(id, reflow_id) => @@ -645,8 +646,8 @@ impl ScriptTask { fn handle_msg_from_script(&self, msg: ScriptMsg) { match msg { - ScriptMsg::TriggerLoad(id, load_data) => - self.trigger_load(id, load_data), + ScriptMsg::Navigate(id, load_data) => + self.handle_navigate(id, None, load_data), ScriptMsg::TriggerFragment(id, fragment) => self.trigger_fragment(id, fragment), ScriptMsg::FireTimer(TimerSource::FromWindow(id), timer_id) => @@ -697,7 +698,7 @@ impl ScriptTask { } let mut loads = self.incomplete_loads.borrow_mut(); if let Some(ref mut load) = loads.iter_mut().find(|load| load.pipeline_id == id) { - load.window_size = size; + load.window_size = Some(size); return; } panic!("resize sent to nonexistent pipeline"); @@ -726,7 +727,7 @@ impl ScriptTask { /// Handle a request to load a page in a new child frame of an existing page. fn handle_new_layout(&self, new_layout_info: NewLayoutInfo) { let NewLayoutInfo { - old_pipeline_id, + containing_pipeline_id, new_pipeline_id, subpage_id, layout_chan, @@ -734,7 +735,7 @@ impl ScriptTask { } = new_layout_info; let page = self.root_page(); - let parent_page = page.find(old_pipeline_id).expect("ScriptTask: received a layout + let parent_page = page.find(containing_pipeline_id).expect("ScriptTask: received a layout whose parent has a PipelineId which does not correspond to a pipeline in the script task's page tree. This is a bug."); @@ -742,7 +743,7 @@ impl ScriptTask { let chan = layout_chan.downcast_ref::<Sender<layout_interface::Msg>>().unwrap(); let layout_chan = LayoutChan(chan.clone()); // Kick off the fetch for the new resource. - let new_load = InProgressLoad::new(new_pipeline_id, Some((old_pipeline_id, subpage_id)), + let new_load = InProgressLoad::new(new_pipeline_id, Some((containing_pipeline_id, subpage_id)), layout_chan, parent_window.r().window_size(), load_data.url.clone()); self.start_page_load(new_load, load_data); @@ -768,24 +769,17 @@ impl ScriptTask { /// Handles thaw message fn handle_thaw_msg(&self, id: PipelineId) { - let page = self.root_page(); - let page = page.find(id).expect("ScriptTask: received thaw msg for a - pipeline ID not associated with this script task. This is a bug."); - let window = page.window().root(); - window.r().thaw(); - } - - /// Handle a request to make a previously-created pipeline active. - //TODO: unsuspend JS and timers, etc. when we support such things. - fn handle_activate(&self, pipeline_id: PipelineId) { // We should only get this message when moving in history, so all pages requested // should exist. - let page = self.root_page().find(pipeline_id).unwrap(); + let page = self.root_page().find(id).unwrap(); let needed_reflow = page.set_reflow_status(false); if needed_reflow { self.force_reflow(&*page, ReflowReason::CachedPageNeededReflow); } + + let window = page.window().root(); + window.r().thaw(); } /// Handles a notification that reflow completed. @@ -1138,11 +1132,29 @@ impl ScriptTask { } } + /// https://html.spec.whatwg.org/multipage/browsers.html#navigating-across-documents /// The entry point for content to notify that a new load has been requested - /// for the given pipeline. - fn trigger_load(&self, pipeline_id: PipelineId, load_data: LoadData) { - let ConstellationChan(ref const_chan) = self.constellation_chan; - const_chan.send(ConstellationMsg::LoadUrl(pipeline_id, load_data)).unwrap(); + /// for the given pipeline (specifically the "navigate" algorithm). + fn handle_navigate(&self, pipeline_id: PipelineId, subpage_id: Option<SubpageId>, load_data: LoadData) { + match subpage_id { + Some(subpage_id) => { + let borrowed_page = self.root_page(); + let iframe = borrowed_page.find(pipeline_id).and_then(|page| { + let doc = page.document().root(); + let doc: JSRef<Node> = NodeCast::from_ref(doc.r()); + + doc.traverse_preorder() + .filter_map(HTMLIFrameElementCast::to_ref) + .find(|node| node.subpage_id() == Some(subpage_id)) + .map(Temporary::from_rooted) + }).root(); + iframe.r().unwrap().navigate_child_browsing_context(load_data.url); + } + None => { + let ConstellationChan(ref const_chan) = self.constellation_chan; + const_chan.send(ConstellationMsg::LoadUrl(pipeline_id, load_data)).unwrap(); + } + } } /// The entry point for content to notify that a fragment url has been requested |