Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-07-22 23:03:42 +01:00
Code Issues Projects Releases Packages Wiki Activity

Excise SubpageId and use only PipelineIds

Browse source 
SubpageId was originally introduced in 2013 to help iframes keep track of
their associated (children) pipelines. However, since each pipeline
already has a PipelineId, and those are unique, those are sufficient
to keep track of children.
This commit is contained in:
Aneesh Agrawal 2016-06-09 08:17:30 -04:00
parent b9b25b6f82
commit 56fbfd46a4
12 changed files with 145 additions and 217 deletions
Download patch file Download diff file Expand all files Collapse all files

100
components/constellation/constellation.rs
View file

@ -28,7 +28,7 @@ use log::{Log, LogLevel, LogLevelFilter, LogMetadata, LogRecord};
use msg::constellation_msg::{FrameId, FrameType, PipelineId};
use msg::constellation_msg::{Key, KeyModifiers, KeyState, LoadData};
use msg::constellation_msg::{PipelineNamespace, PipelineNamespaceId, TraversalDirection};
use msg::constellation_msg::{SubpageId, WindowSizeType};
use msg::constellation_msg::WindowSizeType;
use net_traits::{self, IpcSend, ResourceThreads};
use net_traits::bluetooth_thread::BluetoothMethodMsg;
use net_traits::image_cache_thread::ImageCacheThread;
@ -135,9 +135,6 @@ pub struct Constellation<Message, LTF, STF> {
/// A list of all the frames
frames: HashMap<FrameId, Frame>,
/// Maps from a (parent pipeline, subpage) to the actual child pipeline ID.
subpage_map: HashMap<(PipelineId, SubpageId), PipelineId>,
/// A channel through which messages can be sent to the font cache.
font_cache_thread: FontCacheThread,
@ -492,7 +489,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
swmanager_sender: sw_mgr_clone,
pipelines: HashMap::new(),
frames: HashMap::new(),
subpage_map: HashMap::new(),
pending_frames: vec!(),
next_pipeline_namespace_id: PipelineNamespaceId(0),
root_frame_id: None,
@ -551,7 +547,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
/// Helper function for creating a pipeline
fn new_pipeline(&mut self,
pipeline_id: PipelineId,
parent_info: Option<(PipelineId, SubpageId, FrameType)>,
parent_info: Option<(PipelineId, FrameType)>,
initial_window_size: Option<TypedSize2D<f32, PagePx>>,
script_channel: Option<IpcSender<ConstellationControlMsg>>,
load_data: LoadData,
@ -564,7 +560,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.public_resource_threads.clone()
};
let parent_visibility = if let Some((parent_pipeline_id, _, _)) = parent_info {
let parent_visibility = if let Some((parent_pipeline_id, _)) = parent_info {
self.pipelines.get(&parent_pipeline_id).map(|pipeline| pipeline.visible)
} else {
None
@ -826,8 +822,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
FromScriptMsg::ScriptLoadedURLInIFrame(load_info) => {
debug!("constellation got iframe URL load message {:?} {:?} {:?}",
load_info.parent_pipeline_id,
load_info.old_subpage_id,
load_info.new_subpage_id);
load_info.old_pipeline_id,
load_info.new_pipeline_id);
self.handle_script_loaded_url_in_iframe_msg(load_info);
}
FromScriptMsg::ChangeRunningAnimationsState(pipeline_id, animation_state) => {
@ -870,10 +866,10 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
warn!("constellation got set final url message for dead pipeline");
}
}
FromScriptMsg::MozBrowserEvent(pipeline_id, subpage_id, event) => {
FromScriptMsg::MozBrowserEvent(parent_pipeline_id, pipeline_id, event) => {
debug!("constellation got mozbrowser event message");
self.handle_mozbrowser_event_msg(pipeline_id,
subpage_id,
self.handle_mozbrowser_event_msg(parent_pipeline_id,
pipeline_id,
event);
}
FromScriptMsg::Focus(pipeline_id) => {
@ -1230,12 +1226,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// parent_pipeline_id's frame tree's children. This message is never the result of a
// page navigation.
fn handle_script_loaded_url_in_iframe_msg(&mut self, load_info: IFrameLoadInfo) {
let old_pipeline_id = load_info.old_subpage_id
.and_then(|old_subpage_id| self.subpage_map.get(&(load_info.parent_pipeline_id, old_subpage_id)))
.cloned();
let (load_data, script_chan, window_size, is_private) = {
let old_pipeline = old_pipeline_id
let old_pipeline = load_info.old_pipeline_id
.and_then(|old_pipeline_id| self.pipelines.get(&old_pipeline_id));
let source_pipeline = match self.pipelines.get(&load_info.parent_pipeline_id) {
@ -1290,16 +1282,13 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Create the new pipeline, attached to the parent and push to pending frames
self.new_pipeline(load_info.new_pipeline_id,
Some((load_info.parent_pipeline_id, load_info.new_subpage_id, load_info.frame_type)),
Some((load_info.parent_pipeline_id, load_info.frame_type)),
window_size,
script_chan,
load_data,
is_private);
self.subpage_map.insert((load_info.parent_pipeline_id, load_info.new_subpage_id),
load_info.new_pipeline_id);
self.push_pending_frame(load_info.new_pipeline_id, old_pipeline_id);
self.push_pending_frame(load_info.new_pipeline_id, load_info.old_pipeline_id);
}
fn handle_set_cursor_msg(&mut self, cursor: Cursor) {
@ -1347,14 +1336,14 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
.map(|root_frame| root_frame.current.pipeline_id);
let ancestor_info = self.get_mozbrowser_ancestor_info(pipeline_id);
if let Some((ancestor_id, subpage_id)) = ancestor_info {
if let Some((ancestor_id, mozbrowser_iframe_id)) = ancestor_info {
if root_pipeline_id == Some(ancestor_id) {
match root_pipeline_id.and_then(|pipeline_id| self.pipelines.get(&pipeline_id)) {
Some(root_pipeline) => {
// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowsershowmodalprompt
let event = MozBrowserEvent::ShowModalPrompt("alert".to_owned(), "Alert".to_owned(),
String::from(message), "".to_owned());
root_pipeline.trigger_mozbrowser_event(Some(subpage_id), event);
root_pipeline.trigger_mozbrowser_event(Some(mozbrowser_iframe_id), event);
}
None => return warn!("Alert sent to Pipeline {:?} after closure.", root_pipeline_id),
}
@ -1387,11 +1376,11 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// requested change so it can update its internal state.
let parent_info = self.pipelines.get(&source_id).and_then(|source| source.parent_info);
match parent_info {
Some((parent_pipeline_id, subpage_id, _)) => {
Some((parent_pipeline_id, _)) => {
self.handle_load_start_msg(source_id);
// Message the constellation to find the script thread for this iframe
// and issue an iframe load through there.
let msg = ConstellationControlMsg::Navigate(parent_pipeline_id, subpage_id, load_data);
let msg = ConstellationControlMsg::Navigate(parent_pipeline_id, source_id, load_data);
let result = match self.pipelines.get(&parent_pipeline_id) {
Some(parent_pipeline) => parent_pipeline.script_chan.send(msg),
None => {
@ -1586,7 +1575,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn handle_mozbrowser_event_msg(&mut self,
parent_pipeline_id: PipelineId,
subpage_id: Option<SubpageId>,
pipeline_id: Option<PipelineId>,
event: MozBrowserEvent) {
assert!(PREFS.is_mozbrowser_enabled());
@ -1595,7 +1584,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// If the pipeline lookup fails, it is because we have torn down the pipeline,
// so it is reasonable to silently ignore the event.
match self.pipelines.get(&parent_pipeline_id) {
Some(pipeline) => pipeline.trigger_mozbrowser_event(subpage_id, event),
Some(pipeline) => pipeline.trigger_mozbrowser_event(pipeline_id, event),
None => warn!("Pipeline {:?} handling mozbrowser event after closure.", parent_pipeline_id),
}
}
@ -1630,14 +1619,14 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
Some(pipeline) => pipeline.parent_info,
None => return warn!("Pipeline {:?} focus parent after closure.", pipeline_id),
};
let (parent_pipeline_id, subpage_id, _) = match parent_info {
let (parent_pipeline_id, _) = match parent_info {
Some(info) => info,
None => return debug!("Pipeline {:?} focus has no parent.", pipeline_id),
};
// Send a message to the parent of the provided pipeline (if it exists)
// telling it to mark the iframe element as focused.
let msg = ConstellationControlMsg::FocusIFrame(parent_pipeline_id, subpage_id);
let msg = ConstellationControlMsg::FocusIFrame(parent_pipeline_id, pipeline_id);
let result = match self.pipelines.get(&parent_pipeline_id) {
Some(pipeline) => pipeline.script_chan.send(msg),
None => return warn!("Pipeline {:?} focus after closure.", parent_pipeline_id),
@ -1685,7 +1674,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn handle_visibility_change_complete(&mut self, pipeline_id: PipelineId, visibility: bool) {
let parent_pipeline_info = self.pipelines.get(&pipeline_id).and_then(|source| source.parent_info);
if let Some((parent_pipeline_id, _, _)) = parent_pipeline_info {
if let Some((parent_pipeline_id, _)) = parent_pipeline_info {
let visibility_msg = ConstellationControlMsg::NotifyVisibilityChange(parent_pipeline_id,
pipeline_id,
visibility);
@ -1855,19 +1844,11 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.revoke_paint_permission(prev_pipeline_id);
self.send_frame_tree_and_grant_paint_permission();
// Update the owning iframe to point to the new subpage id.
// Update the owning iframe to point to the new pipeline id.
// This makes things like contentDocument work correctly.
if let Some((parent_pipeline_id, subpage_id, _)) = pipeline_info {
let new_subpage_id = match self.pipelines.get(&next_pipeline_id) {
None => return warn!("Pipeline {:?} traversed to after closure.", next_pipeline_id),
Some(pipeline) => match pipeline.parent_info {
None => return warn!("Pipeline {:?} has no parent info.", next_pipeline_id),
Some((_, new_subpage_id, _)) => new_subpage_id,
},
};
let msg = ConstellationControlMsg::UpdateSubpageId(parent_pipeline_id,
subpage_id,
new_subpage_id,
if let Some((parent_pipeline_id, _)) = pipeline_info {
let msg = ConstellationControlMsg::UpdatePipelineId(parent_pipeline_id,
prev_pipeline_id,
next_pipeline_id);
let result = match self.pipelines.get(&parent_pipeline_id) {
None => return warn!("Pipeline {:?} child traversed after closure.", parent_pipeline_id),
@ -1886,8 +1867,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn get_top_level_frame_for_pipeline(&self, pipeline_id: Option<PipelineId>) -> Option<FrameId> {
if PREFS.is_mozbrowser_enabled() {
pipeline_id.and_then(|id| self.get_mozbrowser_ancestor_info(id))
.and_then(|info| self.subpage_map.get(&info))
.and_then(|pipeline_id| self.pipelines.get(&pipeline_id))
.and_then(|pipeline_info| self.pipelines.get(&pipeline_info.1))
.and_then(|pipeline| pipeline.frame)
.or(self.root_frame_id)
} else {
@ -1940,7 +1920,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// If a child frame, add it to the parent pipeline. Otherwise
// it must surely be the root frame being created!
match self.pipelines.get(&frame_change.new_pipeline_id).and_then(|pipeline| pipeline.parent_info) {
Some((parent_id, _, _)) => {
Some((parent_id, _)) => {
if let Some(parent) = self.pipelines.get_mut(&parent_id) {
parent.add_child(frame_id);
}
@ -1976,7 +1956,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let _ = parent_pipeline.script_chan
.send(ConstellationControlMsg::FramedContentChanged(
parent_info.0,
parent_info.1));
pipeline_id));
}
}
}
@ -2250,7 +2230,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
warn!("Closing frame {:?} twice.", frame_id);
}
if let Some((parent_pipeline_id, _, _)) = parent_info {
if let Some((parent_pipeline_id, _)) = parent_info {
let parent_pipeline = match self.pipelines.get_mut(&parent_pipeline_id) {
None => return warn!("Pipeline {:?} child closed after parent.", parent_pipeline_id),
Some(parent_pipeline) => parent_pipeline,
@ -2285,10 +2265,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
None => return warn!("Closing pipeline {:?} twice.", pipeline_id),
};
// If a child pipeline, remove from subpage map
if let Some((parent_id, subpage_id, _)) = pipeline.parent_info {
self.subpage_map.remove(&(parent_id, subpage_id));
}
// Remove assocation between this pipeline and its holding frame
pipeline.frame = None;
@ -2388,12 +2364,13 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
/// For a given pipeline, determine the mozbrowser iframe that transitively contains
/// it. There could be arbitrary levels of nested iframes in between them.
fn get_mozbrowser_ancestor_info(&self, mut pipeline_id: PipelineId) -> Option<(PipelineId, SubpageId)> {
fn get_mozbrowser_ancestor_info(&self, original_pipeline_id: PipelineId) -> Option<(PipelineId, PipelineId)> {
let mut pipeline_id = original_pipeline_id;
loop {
match self.pipelines.get(&pipeline_id) {
Some(pipeline) => match pipeline.parent_info {
Some((parent_id, subpage_id, FrameType::MozBrowserIFrame)) => return Some((parent_id, subpage_id)),
Some((parent_id, _, _)) => pipeline_id = parent_id,
Some((parent_id, FrameType::MozBrowserIFrame)) => return Some((parent_id, pipeline_id)),
Some((parent_id, _)) => pipeline_id = parent_id,
None => return None,
},
None => {
@ -2415,15 +2392,14 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
};
// If this is a mozbrowser iframe, then send the event with new url
if let Some((parent_pipeline_id, subpage_id)) = self.get_mozbrowser_ancestor_info(pipeline_id) {
if let Some(parent_pipeline) = self.pipelines.get(&parent_pipeline_id) {
let pipeline_id = self.subpage_map.get(&(parent_pipeline_id, subpage_id));
if let Some(pipeline) = pipeline_id.and_then(|pipeline_id| self.pipelines.get(pipeline_id)) {
if let Some((ancestor_id, mozbrowser_iframe_id)) = self.get_mozbrowser_ancestor_info(pipeline_id) {
if let Some(ancestor) = self.pipelines.get(&ancestor_id) {
if let Some(pipeline) = self.pipelines.get(&mozbrowser_iframe_id) {
if let Some(frame_id) = pipeline.frame {
let can_go_forward = !self.joint_session_future(frame_id).is_empty();
let can_go_back = !self.joint_session_past(frame_id).is_empty();
let event = MozBrowserEvent::LocationChange(url, can_go_back, can_go_forward);
parent_pipeline.trigger_mozbrowser_event(Some(subpage_id), event);
ancestor.trigger_mozbrowser_event(Some(mozbrowser_iframe_id), event);
}
}
}
@ -2455,9 +2431,9 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let event = MozBrowserEvent::Error(MozBrowserErrorType::Fatal, reason, report);
if let Some(pipeline_id) = pipeline_id {
if let Some((ancestor_id, subpage_id)) = self.get_mozbrowser_ancestor_info(pipeline_id) {
if let Some((ancestor_id, mozbrowser_iframe_id)) = self.get_mozbrowser_ancestor_info(pipeline_id) {
if let Some(ancestor) = self.pipelines.get(&ancestor_id) {
return ancestor.trigger_mozbrowser_event(Some(subpage_id), event);
return ancestor.trigger_mozbrowser_event(Some(mozbrowser_iframe_id), event);
}
}
}

22
components/constellation/pipeline.rs
View file

@ -17,8 +17,7 @@ use ipc_channel::ipc::{self, IpcReceiver, IpcSender};
use ipc_channel::router::ROUTER;
use layers::geometry::DevicePixel;
use layout_traits::LayoutThreadFactory;
use msg::constellation_msg::{FrameId, FrameType, LoadData, PipelineId};
use msg::constellation_msg::{PipelineNamespaceId, SubpageId};
use msg::constellation_msg::{FrameId, FrameType, LoadData, PipelineId, PipelineNamespaceId};
use net_traits::{IpcSend, ResourceThreads};
use net_traits::bluetooth_thread::BluetoothMethodMsg;
use net_traits::image_cache_thread::ImageCacheThread;
@ -51,7 +50,7 @@ pub enum ChildProcess {
/// A uniquely-identifiable pipeline of script thread, layout thread, and paint thread.
pub struct Pipeline {
pub id: PipelineId,
pub parent_info: Option<(PipelineId, SubpageId, FrameType)>,
pub parent_info: Option<(PipelineId, FrameType)>,
pub script_chan: IpcSender<ConstellationControlMsg>,
/// A channel to layout, for performing reflows and shutdown.
pub layout_chan: IpcSender<LayoutControlMsg>,
@ -84,9 +83,9 @@ pub struct Pipeline {
pub struct InitialPipelineState {
/// The ID of the pipeline to create.
pub id: PipelineId,
/// The subpage ID of this pipeline to create in its pipeline parent.
/// The ID of the parent pipeline and frame type, if any.
/// If `None`, this is the root.
pub parent_info: Option<(PipelineId, SubpageId, FrameType)>,
pub parent_info: Option<(PipelineId, FrameType)>,
/// A channel to the associated constellation.
pub constellation_chan: IpcSender<ScriptMsg>,
/// A channel for the layout thread to send messages to the constellation.
@ -150,12 +149,11 @@ impl Pipeline {
let (script_chan, content_ports) = match state.script_chan {
Some(script_chan) => {
let (parent_pipeline_id, subpage_id, frame_type) =
state.parent_info.expect("script_pipeline != None but subpage_id == None");
let (parent_pipeline_id, frame_type) =
state.parent_info.expect("script_pipeline != None but parent_info == None");
let new_layout_info = NewLayoutInfo {
parent_pipeline_id: parent_pipeline_id,
new_pipeline_id: state.id,
subpage_id: subpage_id,
frame_type: frame_type,
load_data: state.load_data.clone(),
paint_chan: layout_to_paint_chan.clone().to_opaque(),
@ -273,7 +271,7 @@ impl Pipeline {
}
fn new(id: PipelineId,
parent_info: Option<(PipelineId, SubpageId, FrameType)>,
parent_info: Option<(PipelineId, FrameType)>,
script_chan: IpcSender<ConstellationControlMsg>,
layout_chan: IpcSender<LayoutControlMsg>,
compositor_proxy: Box<CompositorProxy + 'static + Send>,
@ -377,12 +375,12 @@ impl Pipeline {
}
pub fn trigger_mozbrowser_event(&self,
subpage_id: Option<SubpageId>,
child_id: Option<PipelineId>,
event: MozBrowserEvent) {
assert!(PREFS.is_mozbrowser_enabled());
let event = ConstellationControlMsg::MozBrowserEvent(self.id,
subpage_id,
child_id,
event);
if let Err(e) = self.script_chan.send(event) {
warn!("Sending mozbrowser event to script failed ({}).", e);
@ -409,7 +407,7 @@ impl Pipeline {
#[derive(Deserialize, Serialize)]
pub struct UnprivilegedPipelineContent {
id: PipelineId,
parent_info: Option<(PipelineId, SubpageId, FrameType)>,
parent_info: Option<(PipelineId, FrameType)>,
constellation_chan: IpcSender<ScriptMsg>,
layout_to_constellation_chan: IpcSender<LayoutMsg>,
scheduler_chan: IpcSender<TimerEventRequest>,

3
components/msg/constellation_msg.rs
View file

@ -331,9 +331,6 @@ impl fmt::Display for PipelineId {
}
}
#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
pub struct SubpageId(pub u32);
#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
pub enum FrameType {
IFrame,

4
components/script/dom/bindings/trace.rs
View file

@ -57,7 +57,7 @@ use js::jsapi::{GCTraceKindToAscii, Heap, JSObject, JSTracer, TraceKind};
use js::jsval::JSVal;
use js::rust::Runtime;
use libc;
use msg::constellation_msg::{FrameType, PipelineId, ReferrerPolicy, SubpageId, WindowSizeType};
use msg::constellation_msg::{FrameType, PipelineId, ReferrerPolicy, WindowSizeType};
use net_traits::{Metadata, NetworkError, ResourceThreads};
use net_traits::filemanager_thread::RelativePos;
use net_traits::image::base::{Image, ImageMetadata};
@ -308,7 +308,7 @@ no_jsmanaged_fields!(PropertyDeclarationBlock);
no_jsmanaged_fields!(HashSet<T>);
// These three are interdependent, if you plan to put jsmanaged data
// in one of these make sure it is propagated properly to containing structs
no_jsmanaged_fields!(FrameType, SubpageId, WindowSizeData, WindowSizeType, PipelineId);
no_jsmanaged_fields!(FrameType, WindowSizeData, WindowSizeType, PipelineId);
no_jsmanaged_fields!(TimerEventId, TimerSource);
no_jsmanaged_fields!(WorkerId);
no_jsmanaged_fields!(QuirksMode);

6
components/script/dom/browsingcontext.rs
View file

@ -26,7 +26,7 @@ use js::jsapi::{JS_GetOwnPropertyDescriptorById, JS_HasPropertyById};
use js::jsapi::{MutableHandle, MutableHandleObject, MutableHandleValue};
use js::jsapi::{ObjectOpResult, PropertyDescriptor};
use js::jsval::{UndefinedValue, PrivateValue};
use msg::constellation_msg::{PipelineId, SubpageId};
use msg::constellation_msg::PipelineId;
use std::cell::Cell;
use url::Url;
@ -160,10 +160,10 @@ impl BrowsingContext {
self.children.borrow_mut().push(JS::from_ref(&context));
}
pub fn find_child_by_subpage(&self, subpage_id: SubpageId) -> Option<Root<Window>> {
pub fn find_child_by_id(&self, pipeline_id: PipelineId) -> Option<Root<Window>> {
self.children.borrow().iter().find(|context| {
let window = context.active_window();
window.subpage() == Some(subpage_id)
window.pipeline_id() == pipeline_id
}).map(|context| context.active_window())
}

16
components/script/dom/document.rs
View file

@ -94,7 +94,7 @@ use js::jsapi::{JSContext, JSObject, JSRuntime};
use js::jsapi::JS_GetRuntime;
use msg::constellation_msg::{ALT, CONTROL, SHIFT, SUPER};
use msg::constellation_msg::{Key, KeyModifiers, KeyState};
use msg::constellation_msg::{PipelineId, ReferrerPolicy, SubpageId};
use msg::constellation_msg::{PipelineId, ReferrerPolicy};
use net_traits::{AsyncResponseTarget, IpcSend, PendingAsyncLoad};
use net_traits::CookieSource::NonHTTP;
use net_traits::CoreResourceMsg::{GetCookiesForUrl, SetCookiesForUrl};
@ -1342,9 +1342,9 @@ impl Document {
pub fn trigger_mozbrowser_event(&self, event: MozBrowserEvent) {
if PREFS.is_mozbrowser_enabled() {
if let Some((parent_pipeline_id, subpage_id, _)) = self.window.parent_info() {
if let Some((parent_pipeline_id, _)) = self.window.parent_info() {
let event = ConstellationMsg::MozBrowserEvent(parent_pipeline_id,
Some(subpage_id),
Some(self.window.pipeline_id()),
event);
self.window.constellation_chan().send(event).unwrap();
}
@ -1581,15 +1581,7 @@ impl Document {
}
/// Find an iframe element in the document.
pub fn find_iframe(&self, subpage_id: SubpageId) -> Option<Root<HTMLIFrameElement>> {
self.upcast::<Node>()
.traverse_preorder()
.filter_map(Root::downcast::<HTMLIFrameElement>)
.find(|node| node.subpage_id() == Some(subpage_id))
}
/// Find an iframe element in the document.
pub fn find_iframe_by_pipeline(&self, pipeline: PipelineId) -> Option<Root<HTMLIFrameElement>> {
pub fn find_iframe(&self, pipeline: PipelineId) -> Option<Root<HTMLIFrameElement>> {
self.upcast::<Node>()
.traverse_preorder()
.filter_map(Root::downcast::<HTMLIFrameElement>)

38
components/script/dom/htmliframeelement.rs
View file

@ -38,7 +38,7 @@ use dom::window::{ReflowReason, Window};
use ipc_channel::ipc;
use js::jsapi::{JSAutoCompartment, JSContext, MutableHandleValue};
use js::jsval::{NullValue, UndefinedValue};
use msg::constellation_msg::{FrameType, LoadData, PipelineId, SubpageId, TraversalDirection};
use msg::constellation_msg::{FrameType, LoadData, PipelineId, TraversalDirection};
use net_traits::response::HttpsState;
use script_layout_interface::message::ReflowQueryType;
use script_traits::{IFrameLoadInfo, MozBrowserEvent, ScriptMsg as ConstellationMsg};
@ -68,7 +68,6 @@ bitflags! {
pub struct HTMLIFrameElement {
htmlelement: HTMLElement,
pipeline_id: Cell<Option<PipelineId>>,
subpage_id: Cell<Option<SubpageId>>,
sandbox: MutNullableHeap<JS<DOMTokenList>>,
sandbox_allowance: Cell<Option<SandboxAllowance>>,
load_blocker: DOMRefCell<Option<LoadBlocker>>,
@ -94,14 +93,11 @@ impl HTMLIFrameElement {
}).unwrap_or_else(|| Url::parse("about:blank").unwrap())
}
pub fn generate_new_subpage_id(&self) -> (SubpageId, Option<SubpageId>) {
self.pipeline_id.set(Some(PipelineId::new()));
let old_subpage_id = self.subpage_id.get();
let win = window_from_node(self);
let subpage_id = win.get_next_subpage_id();
self.subpage_id.set(Some(subpage_id));
(subpage_id, old_subpage_id)
pub fn generate_new_pipeline_id(&self) -> (Option<PipelineId>, PipelineId) {
let old_pipeline_id = self.pipeline_id.get();
let new_pipeline_id = PipelineId::new();
self.pipeline_id.set(Some(new_pipeline_id));
(old_pipeline_id, new_pipeline_id)
}
pub fn navigate_or_reload_child_browsing_context(&self, load_data: Option<LoadData>) {
@ -126,16 +122,14 @@ impl HTMLIFrameElement {
}
let window = window_from_node(self);
let (new_subpage_id, old_subpage_id) = self.generate_new_subpage_id();
let new_pipeline_id = self.pipeline_id.get().unwrap();
let (old_pipeline_id, new_pipeline_id) = self.generate_new_pipeline_id();
let private_iframe = self.privatebrowsing();
let frame_type = if self.Mozbrowser() { FrameType::MozBrowserIFrame } else { FrameType::IFrame };
let load_info = IFrameLoadInfo {
load_data: load_data,
parent_pipeline_id: window.pipeline_id(),
new_subpage_id: new_subpage_id,
old_subpage_id: old_subpage_id,
old_pipeline_id: old_pipeline_id,
new_pipeline_id: new_pipeline_id,
sandbox: sandboxed,
is_private: private_iframe,
@ -170,8 +164,7 @@ impl HTMLIFrameElement {
}
}
pub fn update_subpage_id(&self, new_subpage_id: SubpageId, new_pipeline_id: PipelineId) {
self.subpage_id.set(Some(new_subpage_id));
pub fn update_pipeline_id(&self, new_pipeline_id: PipelineId) {
self.pipeline_id.set(Some(new_pipeline_id));
let mut blocker = self.load_blocker.borrow_mut();
@ -186,7 +179,6 @@ impl HTMLIFrameElement {
HTMLIFrameElement {
htmlelement: HTMLElement::new_inherited(localName, prefix, document),
pipeline_id: Cell::new(None),
subpage_id: Cell::new(None),
sandbox: Default::default(),
sandbox_allowance: Cell::new(None),
load_blocker: DOMRefCell::new(None),
@ -208,11 +200,6 @@ impl HTMLIFrameElement {
self.pipeline_id.get()
}
#[inline]
pub fn subpage_id(&self) -> Option<SubpageId> {
self.subpage_id.get()
}
pub fn change_visibility_status(&self, visibility: bool) {
if self.visibility.get() != visibility {
self.visibility.set(visibility);
@ -270,11 +257,11 @@ impl HTMLIFrameElement {
}
pub fn get_content_window(&self) -> Option<Root<Window>> {
self.subpage_id.get().and_then(|subpage_id| {
self.pipeline_id.get().and_then(|pipeline_id| {
let window = window_from_node(self);
let window = window.r();
let browsing_context = window.browsing_context();
browsing_context.find_child_by_subpage(subpage_id)
browsing_context.find_child_by_id(pipeline_id)
})
}
@ -659,12 +646,11 @@ impl VirtualMethods for HTMLIFrameElement {
receiver.recv().unwrap()
}
// Resetting the subpage id to None is required here so that
// Resetting the pipeline_id to None is required here so that
// if this iframe is subsequently re-added to the document
// the load doesn't think that it's a navigation, but instead
// a new iframe. Without this, the constellation gets very
// confused.
self.subpage_id.set(None);
self.pipeline_id.set(None);
}
}

8
components/script/dom/servohtmlparser.rs
View file

@ -30,7 +30,7 @@ use hyper::header::ContentType;
use hyper::mime::{Mime, SubLevel, TopLevel};
use hyper_serde::Serde;
use js::jsapi::JSTracer;
use msg::constellation_msg::{PipelineId, SubpageId};
use msg::constellation_msg::PipelineId;
use net_traits::{AsyncResponseListener, Metadata, NetworkError};
use network_listener::PreInvoke;
use parse::{Parser, ParserRef, TrustedParser};
@ -67,19 +67,16 @@ pub struct ParserContext {
is_synthesized_document: bool,
/// The pipeline associated with this document.
id: PipelineId,
/// The subpage associated with this document.
subpage: Option<SubpageId>,
/// The URL for this document.
url: Url,
}
impl ParserContext {
pub fn new(id: PipelineId, subpage: Option<SubpageId>, url: Url) -> ParserContext {
pub fn new(id: PipelineId, url: Url) -> ParserContext {
ParserContext {
parser: None,
is_synthesized_document: false,
id: id,
subpage: subpage,
url: url,
}
}
@ -102,7 +99,6 @@ impl AsyncResponseListener for ParserContext {
let content_type =
metadata.clone().and_then(|meta| meta.content_type).map(Serde::into_inner);
let parser = match ScriptThread::page_headers_available(&self.id,
self.subpage.as_ref(),
metadata) {
Some(parser) => parser,
None => return,

26
components/script/dom/window.rs
View file

@ -51,7 +51,7 @@ use js::jsval::UndefinedValue;
use js::rust::CompileOptionsWrapper;
use js::rust::Runtime;
use libc;
use msg::constellation_msg::{FrameType, LoadData, PipelineId, SubpageId, WindowSizeType};
use msg::constellation_msg::{FrameType, LoadData, PipelineId, WindowSizeType};
use net_traits::ResourceThreads;
use net_traits::bluetooth_thread::BluetoothMethodMsg;
use net_traits::image_cache_thread::{ImageCacheChan, ImageCacheThread};
@ -200,16 +200,14 @@ pub struct Window {
/// page changes.
devtools_wants_updates: Cell<bool>,
next_subpage_id: Cell<SubpageId>,
/// Pending resize event, if any.
resize_event: Cell<Option<(WindowSizeData, WindowSizeType)>>,
/// Pipeline id associated with this page.
id: PipelineId,
/// Subpage id associated with this page, if any.
parent_info: Option<(PipelineId, SubpageId, FrameType)>,
/// Parent id associated with this page, if any.
parent_info: Option<(PipelineId, FrameType)>,
/// Global static data related to the DOM.
dom_static: GlobalStaticData,
@ -335,11 +333,7 @@ impl Window {
self.id
}
pub fn subpage(&self) -> Option<SubpageId> {
self.parent_info.map(|p| p.1)
}
pub fn parent_info(&self) -> Option<(PipelineId, SubpageId, FrameType)> {
pub fn parent_info(&self) -> Option<(PipelineId, FrameType)> {
self.parent_info
}
@ -1492,13 +1486,6 @@ impl Window {
WindowProxyHandler(self.dom_static.windowproxy_handler.0)
}
pub fn get_next_subpage_id(&self) -> SubpageId {
let subpage_id = self.next_subpage_id.get();
let SubpageId(id_num) = subpage_id;
self.next_subpage_id.set(SubpageId(id_num + 1));
subpage_id
}
pub fn get_pending_reflow_count(&self) -> u32 {
self.pending_reflow_count.get()
}
@ -1612,7 +1599,7 @@ impl Window {
// https://html.spec.whatwg.org/multipage/#top-level-browsing-context
pub fn is_top_level(&self) -> bool {
match self.parent_info {
Some((_, _, FrameType::IFrame)) => false,
Some((_, FrameType::IFrame)) => false,
_ => true,
}
}
@ -1676,7 +1663,7 @@ impl Window {
timer_event_chan: IpcSender<TimerEvent>,
layout_chan: Sender<Msg>,
id: PipelineId,
parent_info: Option<(PipelineId, SubpageId, FrameType)>,
parent_info: Option<(PipelineId, FrameType)>,
window_size: Option<WindowSizeData>)
-> Root<Window> {
let layout_rpc: Box<LayoutRPC> = {
@ -1726,7 +1713,6 @@ impl Window {
page_clip_rect: Cell::new(max_rect()),
fragment_name: DOMRefCell::new(None),
resize_event: Cell::new(None),
next_subpage_id: Cell::new(SubpageId(0)),
layout_chan: layout_chan,
layout_rpc: layout_rpc,
window_size: Cell::new(window_size),

89
components/script/script_thread.rs
View file

@ -65,7 +65,7 @@ use js::jsval::UndefinedValue;
use js::rust::Runtime;
use mem::heap_size_of_self_and_children;
use msg::constellation_msg::{FrameType, LoadData, PipelineId, PipelineNamespace};
use msg::constellation_msg::{ReferrerPolicy, SubpageId, WindowSizeType};
use msg::constellation_msg::{ReferrerPolicy, WindowSizeType};
use net_traits::{AsyncResponseTarget, CoreResourceMsg, LoadConsumer, LoadContext, Metadata, ResourceThreads};
use net_traits::{IpcSend, LoadData as NetLoadData};
use net_traits::bluetooth_thread::BluetoothMethodMsg;
@ -131,8 +131,8 @@ pub unsafe fn trace_thread(tr: *mut JSTracer) {
struct InProgressLoad {
/// The pipeline which requested this load.
pipeline_id: PipelineId,
/// The parent pipeline and child subpage associated with this load, if any.
parent_info: Option<(PipelineId, SubpageId, FrameType)>,
/// The parent pipeline and frame type associated with this load, if any.
parent_info: Option<(PipelineId, FrameType)>,
/// The current window size associated with this pipeline.
window_size: Option<WindowSizeData>,
/// Channel to the layout thread associated with this pipeline.
@ -150,7 +150,7 @@ struct InProgressLoad {
impl InProgressLoad {
/// Create a new InProgressLoad object.
fn new(id: PipelineId,
parent_info: Option<(PipelineId, SubpageId, FrameType)>,
parent_info: Option<(PipelineId, FrameType)>,
layout_chan: Sender<message::Msg>,
window_size: Option<WindowSizeData>,
url: Url) -> InProgressLoad {
@ -484,11 +484,11 @@ impl ScriptThreadFactory for ScriptThread {
}
impl ScriptThread {
pub fn page_headers_available(id: &PipelineId, subpage: Option<&SubpageId>, metadata: Option<Metadata>)
pub fn page_headers_available(id: &PipelineId, metadata: Option<Metadata>)
-> Option<ParserRoot> {
SCRIPT_THREAD_ROOT.with(|root| {
let script_thread = unsafe { &*root.get().unwrap() };
script_thread.handle_page_headers_available(id, subpage, metadata)
script_thread.handle_page_headers_available(id, metadata)
})
}
@ -877,8 +877,8 @@ impl ScriptThread {
fn handle_msg_from_constellation(&self, msg: ConstellationControlMsg) {
match msg {
ConstellationControlMsg::Navigate(parent_pipeline_id, subpage_id, load_data) =>
self.handle_navigate(parent_pipeline_id, Some(subpage_id), load_data),
ConstellationControlMsg::Navigate(parent_pipeline_id, pipeline_id, load_data) =>
self.handle_navigate(parent_pipeline_id, Some(pipeline_id), load_data),
ConstellationControlMsg::SendEvent(id, event) =>
self.handle_event(id, event),
ConstellationControlMsg::ResizeInactive(id, new_size) =>
@ -894,21 +894,19 @@ impl ScriptThread {
ConstellationControlMsg::NotifyVisibilityChange(parent_pipeline_id, pipeline_id, visible) =>
self.handle_visibility_change_complete_msg(parent_pipeline_id, pipeline_id, visible),
ConstellationControlMsg::MozBrowserEvent(parent_pipeline_id,
subpage_id,
pipeline_id,
event) =>
self.handle_mozbrowser_event_msg(parent_pipeline_id,
subpage_id,
pipeline_id,
event),
ConstellationControlMsg::UpdateSubpageId(parent_pipeline_id,
old_subpage_id,
new_subpage_id,
ConstellationControlMsg::UpdatePipelineId(parent_pipeline_id,
old_pipeline_id,
new_pipeline_id) =>
self.handle_update_subpage_id(parent_pipeline_id,
old_subpage_id,
new_subpage_id,
self.handle_update_pipeline_id(parent_pipeline_id,
old_pipeline_id,
new_pipeline_id),
ConstellationControlMsg::FocusIFrame(parent_pipeline_id, subpage_id) =>
self.handle_focus_iframe_msg(parent_pipeline_id, subpage_id),
ConstellationControlMsg::FocusIFrame(parent_pipeline_id, pipeline_id) =>
self.handle_focus_iframe_msg(parent_pipeline_id, pipeline_id),
ConstellationControlMsg::WebDriverScriptCommand(pipeline_id, msg) =>
self.handle_webdriver_msg(pipeline_id, msg),
ConstellationControlMsg::TickAllAnimations(pipeline_id) =>
@ -1130,7 +1128,6 @@ impl ScriptThread {
let NewLayoutInfo {
parent_pipeline_id,
new_pipeline_id,
subpage_id,
frame_type,
load_data,
paint_chan,
@ -1169,7 +1166,7 @@ impl ScriptThread {
.unwrap();
// Kick off the fetch for the new resource.
let new_load = InProgressLoad::new(new_pipeline_id, Some((parent_pipeline_id, subpage_id, frame_type)),
let new_load = InProgressLoad::new(new_pipeline_id, Some((parent_pipeline_id, frame_type)),
layout_chan, parent_window.window_size(),
load_data.url.clone());
self.start_page_load(new_load, load_data);
@ -1257,7 +1254,7 @@ impl ScriptThread {
fn handle_visibility_change_complete_msg(&self, parent_pipeline_id: PipelineId, id: PipelineId, visible: bool) {
if let Some(root_context) = self.browsing_context.get() {
if let Some(ref inner_context) = root_context.find(parent_pipeline_id) {
if let Some(iframe) = inner_context.active_document().find_iframe_by_pipeline(id) {
if let Some(iframe) = inner_context.active_document().find_iframe(id) {
iframe.change_visibility_status(visible);
}
}
@ -1323,12 +1320,12 @@ impl ScriptThread {
fn handle_focus_iframe_msg(&self,
parent_pipeline_id: PipelineId,
subpage_id: SubpageId) {
pipeline_id: PipelineId) {
let borrowed_context = self.root_browsing_context();
let context = borrowed_context.find(parent_pipeline_id).unwrap();
let doc = context.active_document();
let frame_element = doc.find_iframe(subpage_id);
let frame_element = doc.find_iframe(pipeline_id);
if let Some(ref frame_element) = frame_element {
doc.begin_focus_transaction();
@ -1339,11 +1336,11 @@ impl ScriptThread {
fn handle_framed_content_changed(&self,
parent_pipeline_id: PipelineId,
subpage_id: SubpageId) {
pipeline_id: PipelineId) {
let root_context = self.root_browsing_context();
let context = root_context.find(parent_pipeline_id).unwrap();
let doc = context.active_document();
let frame_element = doc.find_iframe(subpage_id);
let frame_element = doc.find_iframe(pipeline_id);
if let Some(ref frame_element) = frame_element {
frame_element.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
let window = context.active_window();
@ -1357,33 +1354,32 @@ impl ScriptThread {
/// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowserloadstart
fn handle_mozbrowser_event_msg(&self,
parent_pipeline_id: PipelineId,
subpage_id: Option<SubpageId>,
pipeline_id: Option<PipelineId>,
event: MozBrowserEvent) {
match self.root_browsing_context().find(parent_pipeline_id) {
None => warn!("Mozbrowser event after pipeline {:?} closed.", parent_pipeline_id),
Some(context) => match subpage_id {
Some(context) => match pipeline_id {
None => context.active_window().dispatch_mozbrowser_event(event),
Some(subpage_id) => match context.active_document().find_iframe(subpage_id) {
None => warn!("Mozbrowser event after iframe {:?}/{:?} closed.", parent_pipeline_id, subpage_id),
Some(pipeline_id) => match context.active_document().find_iframe(pipeline_id) {
None => warn!("Mozbrowser event after iframe {:?}/{:?} closed.", parent_pipeline_id, pipeline_id),
Some(frame_element) => frame_element.dispatch_mozbrowser_event(event),
},
},
}
}
fn handle_update_subpage_id(&self,
fn handle_update_pipeline_id(&self,
parent_pipeline_id: PipelineId,
old_subpage_id: SubpageId,
new_subpage_id: SubpageId,
old_pipeline_id: PipelineId,
new_pipeline_id: PipelineId) {
let borrowed_context = self.root_browsing_context();
let frame_element = borrowed_context.find(parent_pipeline_id).and_then(|context| {
let doc = context.active_document();
doc.find_iframe(old_subpage_id)
doc.find_iframe(old_pipeline_id)
});
frame_element.unwrap().update_subpage_id(new_subpage_id, new_pipeline_id);
frame_element.unwrap().update_pipeline_id(new_pipeline_id);
}
/// Window was resized, but this script was not active, so don't reflow yet
@ -1412,11 +1408,9 @@ impl ScriptThread {
/// We have received notification that the response associated with a load has completed.
/// Kick off the document and frame tree creation process using the result.
fn handle_page_headers_available(&self, id: &PipelineId, subpage: Option<&SubpageId>,
fn handle_page_headers_available(&self, id: &PipelineId,
metadata: Option<Metadata>) -> Option<ParserRoot> {
let idx = self.incomplete_loads.borrow().iter().position(|load| {
load.pipeline_id == *id && load.parent_info.as_ref().map(|info| &info.1) == subpage
});
let idx = self.incomplete_loads.borrow().iter().position(|load| { load.pipeline_id == *id });
// The matching in progress load structure may not exist if
// the pipeline exited before the page load completed.
match idx {
@ -1539,7 +1533,7 @@ impl ScriptThread {
Some(browsing_context) => browsing_context.active_document(),
None => return warn!("Message sent to closed pipeline {}.", parent_pipeline_id),
};
if let Some(iframe) = document.find_iframe_by_pipeline(id) {
if let Some(iframe) = document.find_iframe(id) {
iframe.iframe_load_event_steps(id);
}
}
@ -1561,7 +1555,7 @@ impl ScriptThread {
}
debug!("ScriptThread: loading {} on pipeline {:?}", incomplete.url, incomplete.pipeline_id);
let frame_element = incomplete.parent_info.and_then(|(parent_id, subpage_id, _)| {
let frame_element = incomplete.parent_info.and_then(|(parent_id, _)| {
// The root context may not exist yet, if the parent of this frame
// exists in a different script thread.
let root_context = self.browsing_context.get();
@ -1576,7 +1570,7 @@ impl ScriptThread {
root_context.and_then(|root_context| {
root_context.find(parent_id).and_then(|context| {
let doc = context.active_document();
doc.find_iframe(subpage_id)
doc.find_iframe(incomplete.pipeline_id)
})
})
});
@ -1664,7 +1658,7 @@ impl ScriptThread {
// We have a new root frame tree.
self.browsing_context.set(Some(&new_context));
(new_context, ContextToRemove::Root)
} else if let Some((parent, _, _)) = incomplete.parent_info {
} else if let Some((parent, _)) = incomplete.parent_info {
// Create a new context tree entry. This will be a child context.
let new_context = BrowsingContext::new(&window, frame_element, incomplete.pipeline_id);
@ -2006,7 +2000,7 @@ impl ScriptThread {
/// https://html.spec.whatwg.org/multipage/#navigating-across-documents
/// The entry point for content to notify that a new load has been requested
/// for the given pipeline (specifically the "navigate" algorithm).
fn handle_navigate(&self, parent_pipeline_id: PipelineId, subpage_id: Option<SubpageId>, load_data: LoadData) {
fn handle_navigate(&self, parent_pipeline_id: PipelineId, pipeline_id: Option<PipelineId>, load_data: LoadData) {
// Step 7.
{
let nurl = &load_data.url;
@ -2024,12 +2018,12 @@ impl ScriptThread {
}
}
match subpage_id {
Some(subpage_id) => {
match pipeline_id {
Some(pipeline_id) => {
let root_context = self.root_browsing_context();
let iframe = root_context.find(parent_pipeline_id).and_then(|context| {
let doc = context.active_document();
doc.find_iframe(subpage_id)
doc.find_iframe(pipeline_id)
});
if let Some(iframe) = iframe.r() {
iframe.navigate_or_reload_child_browsing_context(Some(load_data));
@ -2076,9 +2070,8 @@ impl ScriptThread {
/// argument until a notification is received that the fetch is complete.
fn start_page_load(&self, incomplete: InProgressLoad, mut load_data: LoadData) {
let id = incomplete.pipeline_id.clone();
let subpage = incomplete.parent_info.clone().map(|p| p.1);
let context = Arc::new(Mutex::new(ParserContext::new(id, subpage, load_data.url.clone())));
let context = Arc::new(Mutex::new(ParserContext::new(id, load_data.url.clone())));
let (action_sender, action_receiver) = ipc::channel().unwrap();
let listener = NetworkListener {
context: context,

35
components/script_traits/lib.rs
View file

@ -54,7 +54,7 @@ use layers::geometry::DevicePixel;
use libc::c_void;
use msg::constellation_msg::{FrameId, FrameType, Image, Key, KeyModifiers, KeyState, LoadData};
use msg::constellation_msg::{PipelineId, PipelineNamespaceId, ReferrerPolicy};
use msg::constellation_msg::{SubpageId, TraversalDirection, WindowSizeType};
use msg::constellation_msg::{TraversalDirection, WindowSizeType};
use net_traits::{LoadOrigin, ResourceThreads};
use net_traits::bluetooth_thread::BluetoothMethodMsg;
use net_traits::image_cache_thread::ImageCacheThread;
@ -133,8 +133,6 @@ pub struct NewLayoutInfo {
pub parent_pipeline_id: PipelineId,
/// Id of the newly-created pipeline.
pub new_pipeline_id: PipelineId,
/// Id of the new frame associated with this pipeline.
pub subpage_id: SubpageId,
/// Type of the new frame associated with this pipeline.
pub frame_type: FrameType,
/// Network request data which will be initiated by the script thread.
@ -178,16 +176,22 @@ pub enum ConstellationControlMsg {
/// Notifies script thread whether frame is visible
ChangeFrameVisibilityStatus(PipelineId, bool),
/// Notifies script thread that frame visibility change is complete
/// First PipelineId is for the parent, second PipelineId is for the actual pipeline.
NotifyVisibilityChange(PipelineId, PipelineId, bool),
/// Notifies script thread that a url should be loaded in this iframe.
Navigate(PipelineId, SubpageId, LoadData),
/// First PipelineId is for the parent, second PipelineId is for the actual pipeline.
Navigate(PipelineId, PipelineId, LoadData),
/// Requests the script thread forward a mozbrowser event to an iframe it owns,
/// or to the window if no subpage id is provided.
MozBrowserEvent(PipelineId, Option<SubpageId>, MozBrowserEvent),
/// Updates the current subpage and pipeline IDs of a given iframe
UpdateSubpageId(PipelineId, SubpageId, SubpageId, PipelineId),
/// or to the window if no child pipeline id is provided.
/// First PipelineId is for the parent, second PipelineId is for the actual pipeline.
MozBrowserEvent(PipelineId, Option<PipelineId>, MozBrowserEvent),
/// Updates the current pipeline ID of a given iframe.
/// First PipelineId is for the parent, second is the old PipelineId for the frame,
/// third is the new PipelineId for the frame.
UpdatePipelineId(PipelineId, PipelineId, PipelineId),
/// Set an iframe to be focused. Used when an element in an iframe gains focus.
FocusIFrame(PipelineId, SubpageId),
/// First PipelineId is for the parent, second PipelineId is for the actual pipeline.
FocusIFrame(PipelineId, PipelineId),
/// Passes a webdriver command to the script thread for execution
WebDriverScriptCommand(PipelineId, WebDriverScriptCommand),
/// Notifies script thread that all animations are done
@ -203,7 +207,8 @@ pub enum ConstellationControlMsg {
parent: PipelineId,
},
/// Notifies a parent frame that one of its child frames is now active.
FramedContentChanged(PipelineId, SubpageId),
/// First PipelineId is for the parent, second PipelineId is for the actual pipeline.
FramedContentChanged(PipelineId, PipelineId),
/// Report an error from a CSS parser for the given pipeline
ReportCSSError(PipelineId, String, usize, usize, String),
/// Reload the given page.
@ -228,7 +233,7 @@ impl fmt::Debug for ConstellationControlMsg {
NotifyVisibilityChange(..) => "NotifyVisibilityChange",
Navigate(..) => "Navigate",
MozBrowserEvent(..) => "MozBrowserEvent",
UpdateSubpageId(..) => "UpdateSubpageId",
UpdatePipelineId(..) => "UpdatePipelineId",
FocusIFrame(..) => "FocusIFrame",
WebDriverScriptCommand(..) => "WebDriverScriptCommand",
TickAllAnimations(..) => "TickAllAnimations",
@ -389,7 +394,7 @@ pub struct InitialScriptState {
pub id: PipelineId,
/// The subpage ID of this pipeline to create in its pipeline parent.
/// If `None`, this is the root.
pub parent_info: Option<(PipelineId, SubpageId, FrameType)>,
pub parent_info: Option<(PipelineId, FrameType)>,
/// A channel with which messages can be sent to us (the script thread).
pub control_chan: IpcSender<ConstellationControlMsg>,
/// A port on which messages sent by the constellation to script can be received.
@ -445,10 +450,8 @@ pub struct IFrameLoadInfo {
pub load_data: Option<LoadData>,
/// Pipeline ID of the parent of this iframe
pub parent_pipeline_id: PipelineId,
/// The new subpage ID for this load
pub new_subpage_id: SubpageId,
/// The old subpage ID for this iframe, if a page was previously loaded.
pub old_subpage_id: Option<SubpageId>,
/// The old pipeline ID for this iframe, if a page was previously loaded.
pub old_pipeline_id: Option<PipelineId>,
/// The new pipeline ID that the iframe has generated.
pub new_pipeline_id: PipelineId,
/// Sandbox type of this iframe

5
components/script_traits/script_msg.rs
View file

@ -17,7 +17,7 @@ use euclid::size::Size2D;
use gfx_traits::LayerId;
use ipc_channel::ipc::IpcSender;
use msg::constellation_msg::{Key, KeyModifiers, KeyState, LoadData};
use msg::constellation_msg::{PipelineId, SubpageId, TraversalDirection};
use msg::constellation_msg::{PipelineId, TraversalDirection};
use net_traits::CoreResourceMsg;
use offscreen_gl_context::{GLContextAttributes, GLLimits};
use style_traits::cursor::Cursor;
@ -87,7 +87,8 @@ pub enum ScriptMsg {
LoadUrl(PipelineId, LoadData),
/// Dispatch a mozbrowser event to a given iframe,
/// or to the window if no subpage id is provided.
MozBrowserEvent(PipelineId, Option<SubpageId>, MozBrowserEvent),
/// First PipelineId is for the parent, second PipelineId is for the actual pipeline.
MozBrowserEvent(PipelineId, Option<PipelineId>, MozBrowserEvent),
/// HTMLIFrameElement Forward or Back traversal.
TraverseHistory(Option<PipelineId>, TraversalDirection),
/// Gets the length of the joint session history from the constellation.