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Added a TopLevelBrowsingContextId type.

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This commit is contained in:
Alan Jeffrey 2017-05-15 16:09:49 -05:00
parent b428a94326
commit 42577365b7
15 changed files with 407 additions and 234 deletions
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16
components/constellation/browsingcontext.rs
View file

@ -3,7 +3,7 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use euclid::size::TypedSize2D;
use msg::constellation_msg::{BrowsingContextId, PipelineId};
use msg::constellation_msg::{BrowsingContextId, TopLevelBrowsingContextId, PipelineId};
use pipeline::Pipeline;
use script_traits::LoadData;
use std::collections::HashMap;
@ -23,6 +23,9 @@ pub struct BrowsingContext {
/// The browsing context id.
pub id: BrowsingContextId,
/// The top-level browsing context ancestor
pub top_level_id: TopLevelBrowsingContextId,
/// The size of the frame.
pub size: Option<TypedSize2D<f32, CSSPixel>>,
@ -45,9 +48,15 @@ pub struct BrowsingContext {
impl BrowsingContext {
/// Create a new browsing context.
/// Note this just creates the browsing context, it doesn't add it to the constellation's set of browsing contexts.
pub fn new(id: BrowsingContextId, pipeline_id: PipelineId, load_data: LoadData) -> BrowsingContext {
pub fn new(id: BrowsingContextId,
top_level_id: TopLevelBrowsingContextId,
pipeline_id: PipelineId,
load_data: LoadData)
-> BrowsingContext
{
BrowsingContext {
id: id,
top_level_id: top_level_id,
size: None,
pipeline_id: pipeline_id,
instant: Instant::now(),
@ -118,6 +127,9 @@ pub struct SessionHistoryChange {
/// The browsing context to change.
pub browsing_context_id: BrowsingContextId,
/// The top-level browsing context ancestor.
pub top_level_browsing_context_id: TopLevelBrowsingContextId,
/// The pipeline for the document being loaded.
pub new_pipeline_id: PipelineId,

297
components/constellation/constellation.rs
View file

@ -87,7 +87,7 @@ use ipc_channel::router::ROUTER;
use itertools::Itertools;
use layout_traits::LayoutThreadFactory;
use log::{Log, LogLevel, LogLevelFilter, LogMetadata, LogRecord};
use msg::constellation_msg::{BrowsingContextId, FrameType, PipelineId};
use msg::constellation_msg::{BrowsingContextId, TopLevelBrowsingContextId, FrameType, PipelineId};
use msg::constellation_msg::{Key, KeyModifiers, KeyState};
use msg::constellation_msg::{PipelineNamespace, PipelineNamespaceId, TraversalDirection};
use net_traits::{self, IpcSend, ResourceThreads};
@ -227,14 +227,14 @@ pub struct Constellation<Message, LTF, STF> {
/// event loop for each registered domain name (aka eTLD+1) in
/// each top-level browsing context. We store the event loops in a map
/// indexed by top-level browsing context id
/// (as a `BrowsingContextId`) and registered
/// (as a `TopLevelBrowsingContextId`) and registered
/// domain name (as a `Host`) to event loops. This double
/// indirection ensures that separate tabs do not share event
/// loops, even if the same domain is loaded in each.
/// It is important that scripts with the same eTLD+1
/// share an event loop, since they can use `document.domain`
/// to become same-origin, at which point they can share DOM objects.
event_loops: HashMap<BrowsingContextId, HashMap<Host, Weak<EventLoop>>>,
event_loops: HashMap<TopLevelBrowsingContextId, HashMap<Host, Weak<EventLoop>>>,
/// The set of all the pipelines in the browser.
/// (See the `pipeline` module for more details.)
@ -251,7 +251,7 @@ pub struct Constellation<Message, LTF, STF> {
pending_changes: Vec<SessionHistoryChange>,
/// The root browsing context.
root_browsing_context_id: BrowsingContextId,
root_browsing_context_id: TopLevelBrowsingContextId,
/// The currently focused pipeline for key events.
focus_pipeline_id: Option<PipelineId>,
@ -395,7 +395,7 @@ impl Log for FromScriptLogger {
fn log(&self, record: &LogRecord) {
if let Some(entry) = log_entry(record) {
debug!("Sending log entry {:?}.", entry);
let top_level_id = BrowsingContextId::installed();
let top_level_id = TopLevelBrowsingContextId::installed();
let thread_name = thread::current().name().map(ToOwned::to_owned);
let msg = FromScriptMsg::LogEntry(top_level_id, thread_name, entry);
let chan = self.constellation_chan.lock().unwrap_or_else(|err| err.into_inner());
@ -433,7 +433,7 @@ impl Log for FromCompositorLogger {
fn log(&self, record: &LogRecord) {
if let Some(entry) = log_entry(record) {
debug!("Sending log entry {:?}.", entry);
let top_level_id = BrowsingContextId::installed();
let top_level_id = TopLevelBrowsingContextId::installed();
let thread_name = thread::current().name().map(ToOwned::to_owned);
let msg = FromCompositorMsg::LogEntry(top_level_id, thread_name, entry);
let chan = self.constellation_chan.lock().unwrap_or_else(|err| err.into_inner());
@ -524,7 +524,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
pending_changes: vec!(),
// We initialize the namespace at 1, since we reserved namespace 0 for the constellation
next_pipeline_namespace_id: PipelineNamespaceId(1),
root_browsing_context_id: BrowsingContextId::new(),
root_browsing_context_id: TopLevelBrowsingContextId::new(),
focus_pipeline_id: None,
time_profiler_chan: state.time_profiler_chan,
mem_profiler_chan: state.mem_profiler_chan,
@ -580,6 +580,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn new_pipeline(&mut self,
pipeline_id: PipelineId,
browsing_context_id: BrowsingContextId,
top_level_browsing_context_id: TopLevelBrowsingContextId,
parent_info: Option<(PipelineId, FrameType)>,
initial_window_size: Option<TypedSize2D<f32, CSSPixel>>,
// TODO: we have to provide ownership of the LoadData
@ -591,15 +592,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
is_private: bool) {
if self.shutting_down { return; }
// TODO: can we get a case where the child pipeline is created
// before the parent is part of the frame tree?
let top_level_id = match parent_info {
Some((_, FrameType::MozBrowserIFrame)) => browsing_context_id,
Some((parent_id, _)) => self.get_top_level_browsing_context_for_pipeline(parent_id),
None => self.root_browsing_context_id,
};
debug!("Creating new pipeline {} in top-level browsing context {}.", pipeline_id, top_level_id);
debug!("Creating new pipeline {} in browsing context {}.", pipeline_id, browsing_context_id);
let (event_loop, host) = match sandbox {
IFrameSandboxState::IFrameSandboxed => (None, None),
@ -610,7 +603,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
match reg_host(&load_data.url) {
None => (None, None),
Some(host) => {
let event_loop = self.event_loops.get(&top_level_id)
let event_loop = self.event_loops.get(&top_level_browsing_context_id)
.and_then(|map| map.get(&host))
.and_then(|weak| weak.upgrade());
match event_loop {
@ -646,14 +639,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
.map(|pipeline| pipeline.visible)
.or(parent_visibility);
// TODO: think about the case where the child pipeline is created
// before the parent is part of the frame tree.
let top_level_browsing_context_id = match parent_info {
Some((_, FrameType::MozBrowserIFrame)) => browsing_context_id,
Some((parent_id, _)) => self.get_top_level_browsing_context_for_pipeline(parent_id),
None => self.root_browsing_context_id,
};
let result = Pipeline::spawn::<Message, LTF, STF>(InitialPipelineState {
id: pipeline_id,
browsing_context_id: browsing_context_id,
@ -697,11 +682,9 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.pipelines.insert(pipeline_id, pipeline);
}
/// Get an iterator for browsing contexts. Specify self.root_browsing context_id to
/// iterate the entire tree, or a specific browsing context id to iterate only that sub-tree.
/// Iterates over the fully active browsing contexts in the tree.
fn fully_active_browsing_contexts_iter(&self, browsing_context_id: BrowsingContextId)
-> FullyActiveBrowsingContextsIterator
/// Get an iterator for the fully active browsing contexts in a subtree.
fn fully_active_descendant_browsing_contexts_iter(&self, browsing_context_id: BrowsingContextId)
-> FullyActiveBrowsingContextsIterator
{
FullyActiveBrowsingContextsIterator {
stack: vec!(browsing_context_id),
@ -710,11 +693,16 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
}
/// Get an iterator for browsing contexts. Specify self.root_browsing_context_id to
/// iterate the entire tree, or a specific browsing context id to iterate only that sub-tree.
/// Iterates over all browsing contexts in the tree.
fn all_browsing_contexts_iter(&self, browsing_context_id: BrowsingContextId)
-> AllBrowsingContextsIterator
/// Get an iterator for the fully active browsing contexts in a tree.
fn fully_active_browsing_contexts_iter(&self, top_level_browsing_context_id: TopLevelBrowsingContextId)
-> FullyActiveBrowsingContextsIterator
{
self.fully_active_descendant_browsing_contexts_iter(BrowsingContextId::from(top_level_browsing_context_id))
}
/// Get an iterator for the browsing contexts in a subtree.
fn all_descendant_browsing_contexts_iter(&self, browsing_context_id: BrowsingContextId)
-> AllBrowsingContextsIterator
{
AllBrowsingContextsIterator {
stack: vec!(browsing_context_id),
@ -723,28 +711,35 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
}
/// Get an iterator for the browsing contexts in a tree.
fn all_browsing_contexts_iter(&self, top_level_browsing_context_id: TopLevelBrowsingContextId)
-> AllBrowsingContextsIterator
{
self.all_descendant_browsing_contexts_iter(BrowsingContextId::from(top_level_browsing_context_id))
}
/// The joint session future is the merge of the session future of every
/// browsing_context, sorted chronologically.
fn joint_session_future<'a>(&'a self, browsing_context_id: BrowsingContextId)
fn joint_session_future<'a>(&'a self, top_level_browsing_context_id: TopLevelBrowsingContextId)
-> impl Iterator<Item = &'a SessionHistoryEntry> + 'a
{
self.all_browsing_contexts_iter(browsing_context_id)
self.all_browsing_contexts_iter(top_level_browsing_context_id)
.map(|browsing_context| browsing_context.next.iter().rev())
.kmerge_by(|a, b| a.instant.cmp(&b.instant) == Ordering::Less)
}
/// Is the joint session future empty?
fn joint_session_future_is_empty(&self, browsing_context_id: BrowsingContextId) -> bool {
self.all_browsing_contexts_iter(browsing_context_id)
fn joint_session_future_is_empty(&self, top_level_browsing_context_id: TopLevelBrowsingContextId) -> bool {
self.all_browsing_contexts_iter(top_level_browsing_context_id)
.all(|browsing_context| browsing_context.next.is_empty())
}
/// The joint session past is the merge of the session past of every
/// browsing_context, sorted reverse chronologically.
fn joint_session_past<'a>(&'a self, browsing_context_id: BrowsingContextId)
fn joint_session_past<'a>(&'a self, top_level_browsing_context_id: TopLevelBrowsingContextId)
-> impl Iterator<Item = &'a SessionHistoryEntry> + 'a
{
self.all_browsing_contexts_iter(browsing_context_id)
self.all_browsing_contexts_iter(top_level_browsing_context_id)
.map(|browsing_context| browsing_context.prev.iter().rev()
.scan(browsing_context.instant, |prev_instant, entry| {
let instant = *prev_instant;
@ -756,17 +751,18 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
/// Is the joint session past empty?
fn joint_session_past_is_empty(&self, browsing_context_id: BrowsingContextId) -> bool {
self.all_browsing_contexts_iter(browsing_context_id)
fn joint_session_past_is_empty(&self, top_level_browsing_context_id: TopLevelBrowsingContextId) -> bool {
self.all_browsing_contexts_iter(top_level_browsing_context_id)
.all(|browsing_context| browsing_context.prev.is_empty())
}
/// Create a new browsing context and update the internal bookkeeping.
fn new_browsing_context(&mut self,
browsing_context_id: BrowsingContextId,
top_level_id: TopLevelBrowsingContextId,
pipeline_id: PipelineId,
load_data: LoadData) {
let browsing_context = BrowsingContext::new(browsing_context_id, pipeline_id, load_data);
let browsing_context = BrowsingContext::new(browsing_context_id, top_level_id, pipeline_id, load_data);
self.browsing_contexts.insert(browsing_context_id, browsing_context);
// If a child browsing_context, add it to the parent pipeline.
@ -1187,7 +1183,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// TODO: exit before the root browsing context is initialized?
debug!("Removing root browsing context.");
let root_browsing_context_id = self.root_browsing_context_id;
let root_browsing_context_id = BrowsingContextId::from(self.root_browsing_context_id);
self.close_browsing_context(root_browsing_context_id, ExitPipelineMode::Normal);
// Close any pending changes and pipelines
@ -1289,12 +1285,17 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn handle_send_error(&mut self, pipeline_id: PipelineId, err: IpcError) {
// Treat send error the same as receiving a panic message
debug!("Pipeline {:?} send error ({}).", pipeline_id, err);
let top_level_browsing_context_id = self.get_top_level_browsing_context_for_pipeline(pipeline_id);
let top_level_browsing_context_id = self.pipelines.get(&pipeline_id)
.map(|pipeline| pipeline.browsing_context_id)
.and_then(|browsing_context_id| self.browsing_contexts.get(&browsing_context_id))
.map(|browsing_context| browsing_context.top_level_id)
.unwrap_or(self.root_browsing_context_id);
let reason = format!("Send failed ({})", err);
self.handle_panic(top_level_browsing_context_id, reason, None);
}
fn handle_panic(&mut self, top_level_browsing_context_id: BrowsingContextId,
fn handle_panic(&mut self,
top_level_browsing_context_id: TopLevelBrowsingContextId,
reason: String,
backtrace: Option<String>)
{
@ -1307,11 +1308,13 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
debug!("Panic handler for top-level browsing context {}: {}.", top_level_browsing_context_id, reason);
let browsing_context_id = BrowsingContextId::from(top_level_browsing_context_id);
// Notify the browser chrome that the pipeline has failed
self.trigger_mozbrowsererror(top_level_browsing_context_id, reason, backtrace);
let (window_size, pipeline_id) = {
let browsing_context = self.browsing_contexts.get(&top_level_browsing_context_id);
let browsing_context = self.browsing_contexts.get(&browsing_context_id);
let window_size = browsing_context.and_then(|browsing_context| browsing_context.size);
let pipeline_id = browsing_context.map(|browsing_context| browsing_context.pipeline_id);
(window_size, pipeline_id)
@ -1324,7 +1327,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
(pipeline_url, parent_info)
};
self.close_browsing_context_children(top_level_browsing_context_id,
self.close_browsing_context_children(browsing_context_id,
DiscardBrowsingContext::No,
ExitPipelineMode::Force);
@ -1341,10 +1344,11 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let new_pipeline_id = PipelineId::new();
let load_data = LoadData::new(failure_url, None, None, None);
let sandbox = IFrameSandboxState::IFrameSandboxed;
self.new_pipeline(new_pipeline_id, top_level_browsing_context_id, parent_info,
self.new_pipeline(new_pipeline_id, browsing_context_id, top_level_browsing_context_id, parent_info,
window_size, load_data.clone(), sandbox, false);
self.pending_changes.push(SessionHistoryChange {
browsing_context_id: top_level_browsing_context_id,
top_level_browsing_context_id: top_level_browsing_context_id,
browsing_context_id: browsing_context_id,
new_pipeline_id: new_pipeline_id,
load_data: load_data,
replace_instant: None,
@ -1352,7 +1356,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
fn handle_log_entry(&mut self,
top_level_browsing_context_id: Option<BrowsingContextId>,
top_level_browsing_context_id: Option<TopLevelBrowsingContextId>,
thread_name: Option<String>,
entry: LogEntry)
{
@ -1391,6 +1395,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let load_data = LoadData::new(url.clone(), None, None, None);
let sandbox = IFrameSandboxState::IFrameUnsandboxed;
self.new_pipeline(root_pipeline_id,
BrowsingContextId::from(root_browsing_context_id),
root_browsing_context_id,
None,
Some(window_size),
@ -1399,7 +1404,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
false);
self.handle_load_start_msg(root_pipeline_id);
self.pending_changes.push(SessionHistoryChange {
browsing_context_id: self.root_browsing_context_id,
top_level_browsing_context_id: root_browsing_context_id,
browsing_context_id: BrowsingContextId::from(root_browsing_context_id),
new_pipeline_id: root_pipeline_id,
load_data: load_data,
replace_instant: None,
@ -1407,14 +1413,14 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
fn handle_iframe_size_msg(&mut self,
iframe_sizes: Vec<(BrowsingContextId, TypedSize2D<f32, CSSPixel>)>) {
iframe_sizes: Vec<(BrowsingContextId, TypedSize2D<f32, CSSPixel>)>) {
for (browsing_context_id, size) in iframe_sizes {
let window_size = WindowSizeData {
initial_viewport: size,
device_pixel_ratio: self.window_size.device_pixel_ratio,
};
self.resize_frame(window_size, WindowSizeType::Initial, browsing_context_id);
self.resize_browsing_context(window_size, WindowSizeType::Initial, browsing_context_id);
}
}
@ -1482,6 +1488,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Create the new pipeline, attached to the parent and push to pending changes
self.pending_changes.push(SessionHistoryChange {
top_level_browsing_context_id: load_info.info.top_level_browsing_context_id,
browsing_context_id: load_info.info.browsing_context_id,
new_pipeline_id: load_info.info.new_pipeline_id,
load_data: load_data.clone(),
@ -1490,6 +1497,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.new_pipeline(load_info.info.new_pipeline_id,
load_info.info.browsing_context_id,
load_info.info.top_level_browsing_context_id,
Some((load_info.info.parent_pipeline_id, load_info.info.frame_type)),
window_size,
load_data,
@ -1506,6 +1514,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
frame_type,
replace,
browsing_context_id,
top_level_browsing_context_id,
is_private,
} = load_info;
@ -1543,6 +1552,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.pipelines.insert(new_pipeline_id, pipeline);
self.pending_changes.push(SessionHistoryChange {
top_level_browsing_context_id: top_level_browsing_context_id,
browsing_context_id: browsing_context_id,
new_pipeline_id: new_pipeline_id,
load_data: load_data,
@ -1596,13 +1606,16 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let title = String::from("Alert");
let return_value = String::from("");
let event = MozBrowserEvent::ShowModalPrompt(prompt_type, title, message, return_value);
let top_level_browsing_context_id = self.get_top_level_browsing_context_for_pipeline(pipeline_id);
let root_browsing_context_id = BrowsingContextId::from(self.root_browsing_context_id);
let top_level_browsing_context_id = self.pipelines.get(&pipeline_id)
.and_then(|pipeline| self.browsing_contexts.get(&pipeline.browsing_context_id))
.map(|browsing_context| browsing_context.top_level_id);
match self.browsing_contexts.get(&self.root_browsing_context_id) {
match self.browsing_contexts.get(&root_browsing_context_id) {
None => warn!("Alert sent after root browsing context closure."),
Some(root_browsing_context) => match self.pipelines.get(&root_browsing_context.pipeline_id) {
None => warn!("Alert sent after root pipeline closure."),
Some(pipeline) => pipeline.trigger_mozbrowser_event(Some(top_level_browsing_context_id), event),
Some(pipeline) => pipeline.trigger_mozbrowser_event(top_level_browsing_context_id, event),
}
}
}
@ -1665,7 +1678,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Make sure no pending page would be overridden.
for change in &self.pending_changes {
if change.browsing_context_id == root_browsing_context_id {
if change.browsing_context_id == BrowsingContextId::from(root_browsing_context_id) {
// id that sent load msg is being changed already; abort
return None;
}
@ -1684,7 +1697,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// changes would be overridden by changing the subframe associated with source_id.
// Create the new pipeline
let window_size = self.browsing_contexts.get(&root_browsing_context_id)
let window_size = self.browsing_contexts.get(&BrowsingContextId::from(root_browsing_context_id))
.and_then(|browsing_context| browsing_context.size);
let new_pipeline_id = PipelineId::new();
let sandbox = IFrameSandboxState::IFrameUnsandboxed;
@ -1694,12 +1707,14 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
None
};
self.pending_changes.push(SessionHistoryChange {
browsing_context_id: root_browsing_context_id,
top_level_browsing_context_id: root_browsing_context_id,
browsing_context_id: BrowsingContextId::from(root_browsing_context_id),
new_pipeline_id: new_pipeline_id,
load_data: load_data.clone(),
replace_instant: replace_instant,
});
self.new_pipeline(new_pipeline_id,
BrowsingContextId::from(root_browsing_context_id),
root_browsing_context_id,
None,
window_size,
@ -1735,7 +1750,9 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
pipeline_id: Option<PipelineId>,
direction: TraversalDirection) {
let top_level_browsing_context_id = pipeline_id
.map(|pipeline_id| self.get_top_level_browsing_context_for_pipeline(pipeline_id))
.and_then(|pipeline_id| self.pipelines.get(&pipeline_id))
.and_then(|pipeline| self.browsing_contexts.get(&pipeline.browsing_context_id))
.map(|browsing_context| browsing_context.top_level_id)
.unwrap_or(self.root_browsing_context_id);
let mut size = 0;
@ -1768,11 +1785,14 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
fn handle_joint_session_history_length(&self, pipeline_id: PipelineId, sender: IpcSender<u32>) {
let browsing_context_id = self.get_top_level_browsing_context_for_pipeline(pipeline_id);
let top_level_browsing_context_id = self.pipelines.get(&pipeline_id)
.and_then(|pipeline| self.browsing_contexts.get(&pipeline.browsing_context_id))
.map(|browsing_context| browsing_context.top_level_id)
.unwrap_or(self.root_browsing_context_id);
// Initialize length at 1 to count for the current active entry
let mut length = 1;
for browsing_context in self.all_browsing_contexts_iter(browsing_context_id) {
for browsing_context in self.all_browsing_contexts_iter(top_level_browsing_context_id) {
length += browsing_context.next.len();
length += browsing_context.prev.len();
}
@ -1783,7 +1803,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Send to the explicitly focused pipeline (if it exists), or the root
// browsing context's current pipeline. If neither exist, fall back to sending to
// the compositor below.
let root_pipeline_id = self.browsing_contexts.get(&self.root_browsing_context_id)
let root_browsing_context_id = BrowsingContextId::from(self.root_browsing_context_id);
let root_pipeline_id = self.browsing_contexts.get(&root_browsing_context_id)
.map(|root_browsing_context| root_browsing_context.pipeline_id);
let pipeline_id = self.focus_pipeline_id.or(root_pipeline_id);
@ -1808,7 +1829,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn handle_reload_msg(&mut self) {
// Send Reload constellation msg to root script channel.
let root_pipeline_id = self.browsing_contexts.get(&self.root_browsing_context_id)
let root_browsing_context_id = BrowsingContextId::from(self.root_browsing_context_id);
let root_pipeline_id = self.browsing_contexts.get(&root_browsing_context_id)
.map(|root_browsing_context| root_browsing_context.pipeline_id);
if let Some(pipeline_id) = root_pipeline_id {
@ -1862,9 +1884,11 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// and pass the event to that script thread.
// If the pipeline lookup fails, it is because we have torn down the pipeline,
// so it is reasonable to silently ignore the event.
let browsing_context_id = self.pipelines.get(&pipeline_id).map(|pipeline| pipeline.browsing_context_id);
let top_level_browsing_context_id = self.pipelines.get(&pipeline_id)
.and_then(|pipeline| self.browsing_contexts.get(&pipeline.browsing_context_id))
.map(|browsing_context| browsing_context.top_level_id);
match self.pipelines.get(&parent_pipeline_id) {
Some(pipeline) => pipeline.trigger_mozbrowser_event(browsing_context_id, event),
Some(pipeline) => pipeline.trigger_mozbrowser_event(top_level_browsing_context_id, event),
None => warn!("Pipeline {:?} handling mozbrowser event after closure.", parent_pipeline_id),
}
}
@ -1872,7 +1896,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn handle_get_pipeline(&mut self,
browsing_context_id: Option<BrowsingContextId>,
resp_chan: IpcSender<Option<PipelineId>>) {
let browsing_context_id = browsing_context_id.unwrap_or(self.root_browsing_context_id);
let root_browsing_context_id = BrowsingContextId::from(self.root_browsing_context_id);
let browsing_context_id = browsing_context_id.unwrap_or(root_browsing_context_id);
let current_pipeline_id = self.browsing_contexts.get(&browsing_context_id)
.map(|browsing_context| browsing_context.pipeline_id);
let pipeline_id_loaded = self.pending_changes.iter().rev()
@ -1924,7 +1949,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
fn handle_remove_iframe_msg(&mut self, browsing_context_id: BrowsingContextId) -> Vec<PipelineId> {
let result = self.all_browsing_contexts_iter(browsing_context_id)
let result = self.all_descendant_browsing_contexts_iter(browsing_context_id)
.flat_map(|browsing_context| browsing_context.next.iter().chain(browsing_context.prev.iter())
.filter_map(|entry| entry.pipeline_id)
.chain(once(browsing_context.pipeline_id)))
@ -1939,7 +1964,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
None => return warn!("No browsing context associated with pipeline {:?}", pipeline_id),
};
let child_pipeline_ids: Vec<PipelineId> = self.all_browsing_contexts_iter(browsing_context_id)
let child_pipeline_ids: Vec<PipelineId> = self.all_descendant_browsing_contexts_iter(browsing_context_id)
.flat_map(|browsing_context| browsing_context.prev.iter().chain(browsing_context.next.iter())
.filter_map(|entry| entry.pipeline_id)
.chain(once(browsing_context.pipeline_id)))
@ -2042,7 +2067,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
},
WebDriverCommandMsg::TakeScreenshot(pipeline_id, reply) => {
let current_pipeline_id = self.browsing_contexts.get(&self.root_browsing_context_id)
let root_browsing_context_id = BrowsingContextId::from(self.root_browsing_context_id);
let current_pipeline_id = self.browsing_contexts.get(&root_browsing_context_id)
.map(|root_browsing_context| root_browsing_context.pipeline_id);
if Some(pipeline_id) == current_pipeline_id {
self.compositor_proxy.send(ToCompositorMsg::CreatePng(reply));
@ -2071,16 +2097,25 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let sandbox = IFrameSandboxState::IFrameUnsandboxed;
let new_pipeline_id = PipelineId::new();
let load_data = entry.load_data;
let (parent_info, window_size, is_private) = match self.browsing_contexts.get(&browsing_context_id) {
let (top_level_id, parent_info, window_size, is_private) =
match self.browsing_contexts.get(&browsing_context_id)
{
Some(browsing_context) => match self.pipelines.get(&browsing_context.pipeline_id) {
Some(pipeline) => (pipeline.parent_info, browsing_context.size, pipeline.is_private),
None => (None, browsing_context.size, false),
Some(pipeline) => (browsing_context.top_level_id,
pipeline.parent_info,
browsing_context.size,
pipeline.is_private),
None => (browsing_context.top_level_id,
None,
browsing_context.size,
false),
},
None => return warn!("no browsing context to traverse"),
};
self.new_pipeline(new_pipeline_id, browsing_context_id, parent_info,
self.new_pipeline(new_pipeline_id, browsing_context_id, top_level_id, parent_info,
window_size, load_data.clone(), sandbox, is_private);
self.pending_changes.push(SessionHistoryChange {
top_level_browsing_context_id: top_level_id,
browsing_context_id: browsing_context_id,
new_pipeline_id: new_pipeline_id,
load_data: load_data,
@ -2095,9 +2130,12 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// frame tree is modified below.
let update_focus_pipeline = self.focused_pipeline_is_descendant_of(entry.browsing_context_id);
let (old_pipeline_id, replaced_pipeline_id) = match self.browsing_contexts.get_mut(&browsing_context_id) {
let (old_pipeline_id, replaced_pipeline_id, top_level_id) =
match self.browsing_contexts.get_mut(&browsing_context_id)
{
Some(browsing_context) => {
let old_pipeline_id = browsing_context.pipeline_id;
let top_level_id = browsing_context.top_level_id;
let mut curr_entry = browsing_context.current();
if entry.instant > browsing_context.instant {
@ -2122,7 +2160,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
browsing_context.update_current(pipeline_id, entry);
(old_pipeline_id, replaced_pipeline_id)
(old_pipeline_id, replaced_pipeline_id, top_level_id)
},
None => return warn!("no browsing context to traverse"),
};
@ -2147,7 +2185,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Deactivate the old pipeline, and activate the new one.
self.update_activity(old_pipeline_id);
self.update_activity(pipeline_id);
self.notify_history_changed(pipeline_id);
self.notify_history_changed(top_level_id);
// Set paint permissions correctly for the compositor layers.
self.send_frame_tree();
@ -2171,14 +2209,12 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
}
fn notify_history_changed(&self, pipeline_id: PipelineId) {
fn notify_history_changed(&self, top_level_browsing_context_id: TopLevelBrowsingContextId) {
// Send a flat projection of the history.
// The final vector is a concatenation of the LoadData of the past entries,
// the current entry and the future entries.
// LoadData of inner frames are ignored and replaced with the LoadData of the parent.
let top_level_browsing_context_id = self.get_top_level_browsing_context_for_pipeline(pipeline_id);
// Ignore LoadData of non-top-level browsing contexts.
let keep_load_data_if_top_browsing_context = |entry: &SessionHistoryEntry| {
match entry.pipeline_id {
@ -2206,7 +2242,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
Some(load_data)
};
let current_load_data = match self.browsing_contexts.get(&top_level_browsing_context_id) {
let browsing_context_id = BrowsingContextId::from(top_level_browsing_context_id);
let current_load_data = match self.browsing_contexts.get(&browsing_context_id) {
Some(browsing_context) => browsing_context.load_data.clone(),
None => return warn!("notify_history_changed error after top-level browsing context closed."),
};
@ -2229,27 +2266,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.compositor_proxy.send(ToCompositorMsg::HistoryChanged(entries, current_index));
}
fn get_top_level_browsing_context_for_pipeline(&self, mut pipeline_id: PipelineId) -> BrowsingContextId {
if PREFS.is_mozbrowser_enabled() {
loop {
match self.pipelines.get(&pipeline_id) {
Some(pipeline) => match pipeline.parent_info {
Some((_, FrameType::MozBrowserIFrame)) => return pipeline.browsing_context_id,
Some((parent_id, _)) => pipeline_id = parent_id,
None => return self.root_browsing_context_id,
},
None => {
warn!("Finding top-level ancestor for pipeline {} after closure.", pipeline_id);
return self.root_browsing_context_id;
},
}
}
} else {
// If mozbrowser is not enabled, the root browsing context is the only top-level browsing context
self.root_browsing_context_id
}
}
fn load_url_for_webdriver(&mut self,
pipeline_id: PipelineId,
load_data: LoadData,
@ -2301,10 +2317,11 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
if new_context {
self.new_browsing_context(change.browsing_context_id,
change.top_level_browsing_context_id,
change.new_pipeline_id,
change.load_data);
self.update_activity(change.new_pipeline_id);
self.notify_history_changed(change.new_pipeline_id);
self.notify_history_changed(change.top_level_browsing_context_id);
};
if let Some(old_pipeline_id) = navigated {
@ -2312,9 +2329,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.update_activity(old_pipeline_id);
self.update_activity(change.new_pipeline_id);
// Clear the joint session future
let top_level_id = self.get_top_level_browsing_context_for_pipeline(change.new_pipeline_id);
self.clear_joint_session_future(top_level_id);
self.notify_history_changed(change.new_pipeline_id);
self.clear_joint_session_future(change.top_level_browsing_context_id);
self.notify_history_changed(change.top_level_browsing_context_id);
}
if location_changed {
@ -2356,8 +2372,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn handle_window_size_msg(&mut self, new_size: WindowSizeData, size_type: WindowSizeType) {
debug!("handle_window_size_msg: {:?}", new_size.initial_viewport.to_untyped());
let browsing_context_id = self.root_browsing_context_id;
self.resize_frame(new_size, size_type, browsing_context_id);
let browsing_context_id = BrowsingContextId::from(self.root_browsing_context_id);
self.resize_browsing_context(new_size, size_type, browsing_context_id);
if let Some(resize_channel) = self.webdriver.resize_channel.take() {
let _ = resize_channel.send(new_size);
@ -2386,7 +2402,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
//
// If there is no root browsing context yet, the initial page has
// not loaded, so there is nothing to save yet.
if !self.browsing_contexts.contains_key(&self.root_browsing_context_id) {
if !self.browsing_contexts.contains_key(&BrowsingContextId::from(self.root_browsing_context_id)) {
return ReadyToSave::NoRootBrowsingContext;
}
@ -2530,12 +2546,12 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.set_activity(pipeline_id, self.get_activity(pipeline_id));
}
/// Handle updating the size of a frame. This notifies every pipeline in the frame of the new
/// size.
fn resize_frame(&mut self,
new_size: WindowSizeData,
size_type: WindowSizeType,
browsing_context_id: BrowsingContextId)
/// Handle updating the size of a browsing context.
/// This notifies every pipeline in the context of the new size.
fn resize_browsing_context(&mut self,
new_size: WindowSizeData,
size_type: WindowSizeType,
browsing_context_id: BrowsingContextId)
{
if let Some(browsing_context) = self.browsing_contexts.get_mut(&browsing_context_id) {
browsing_context.size = Some(new_size.initial_viewport);
@ -2582,8 +2598,9 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
}
fn clear_joint_session_future(&mut self, browsing_context_id: BrowsingContextId) {
let browsing_context_ids: Vec<BrowsingContextId> = self.all_browsing_contexts_iter(browsing_context_id)
fn clear_joint_session_future(&mut self, top_level_browsing_context_id: TopLevelBrowsingContextId) {
let browsing_context_ids: Vec<BrowsingContextId> =
self.all_browsing_contexts_iter(top_level_browsing_context_id)
.map(|browsing_context| browsing_context.id)
.collect();
for browsing_context_id in browsing_context_ids {
@ -2602,23 +2619,26 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Close a browsing context (and all children)
fn close_browsing_context(&mut self, browsing_context_id: BrowsingContextId, exit_mode: ExitPipelineMode) {
debug!("Closing browsing context {}.", browsing_context_id);
let parent_info = self.browsing_contexts.get(&browsing_context_id)
.and_then(|browsing_context| self.pipelines.get(&browsing_context.pipeline_id))
.and_then(|pipeline| pipeline.parent_info);
self.close_browsing_context_children(browsing_context_id, DiscardBrowsingContext::Yes, exit_mode);
self.event_loops.remove(&browsing_context_id);
if self.browsing_contexts.remove(&browsing_context_id).is_none() {
warn!("Closing browsing context {:?} twice.", browsing_context_id);
let browsing_context = match self.browsing_contexts.remove(&browsing_context_id) {
None => return warn!("Closing browsing context {:?} twice.", browsing_context_id),
Some(browsing_context) => browsing_context,
};
if BrowsingContextId::from(browsing_context.top_level_id) == browsing_context_id {
self.event_loops.remove(&browsing_context.top_level_id);
}
let parent_info = self.pipelines.get(&browsing_context.pipeline_id)
.and_then(|pipeline| pipeline.parent_info);
if let Some((parent_pipeline_id, _)) = parent_info {
let parent_pipeline = match self.pipelines.get_mut(&parent_pipeline_id) {
match self.pipelines.get_mut(&parent_pipeline_id) {
None => return warn!("Pipeline {:?} child closed after parent.", parent_pipeline_id),
Some(parent_pipeline) => parent_pipeline,
Some(parent_pipeline) => parent_pipeline.remove_child(browsing_context_id),
};
parent_pipeline.remove_child(browsing_context_id);
}
debug!("Closed browsing context {:?}.", browsing_context_id);
}
@ -2749,8 +2769,9 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Note that this function can panic, due to ipc-channel creation failure.
// avoiding this panic would require a mechanism for dealing
// with low-resource scenarios.
debug!("Sending frame tree for browsing context {}.", self.root_browsing_context_id);
if let Some(frame_tree) = self.browsing_context_to_sendable(self.root_browsing_context_id) {
let root_browsing_context_id = BrowsingContextId::from(self.root_browsing_context_id);
debug!("Sending frame tree for browsing context {}.", root_browsing_context_id);
if let Some(frame_tree) = self.browsing_context_to_sendable(root_browsing_context_id) {
let (chan, port) = ipc::channel().expect("Failed to create IPC channel!");
self.compositor_proxy.send(ToCompositorMsg::SetFrameTree(frame_tree,
chan));
@ -2768,11 +2789,14 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
Some(pipeline) => if let Some((parent_id, FrameType::MozBrowserIFrame)) = pipeline.parent_info {
match self.pipelines.get(&parent_id) {
Some(parent) => {
let can_go_forward = !self.joint_session_future_is_empty(pipeline.browsing_context_id);
let can_go_back = !self.joint_session_past_is_empty(pipeline.browsing_context_id);
let top_level_browsing_context_id = self.browsing_contexts.get(&pipeline.browsing_context_id)
.map(|browsing_context| browsing_context.top_level_id)
.unwrap_or(self.root_browsing_context_id);
let can_go_forward = !self.joint_session_future_is_empty(top_level_browsing_context_id);
let can_go_back = !self.joint_session_past_is_empty(top_level_browsing_context_id);
let url = pipeline.url.to_string();
let event = MozBrowserEvent::LocationChange(url, can_go_back, can_go_forward);
parent.trigger_mozbrowser_event(Some(pipeline.browsing_context_id), event);
parent.trigger_mozbrowser_event(Some(top_level_browsing_context_id), event);
},
None => warn!("triggered mozbrowser location change on closed parent {}", parent_id),
}
@ -2784,7 +2808,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowsererror
// Note that this does not require the pipeline to be an immediate child of the root
fn trigger_mozbrowsererror(&mut self,
top_level_browsing_context_id: BrowsingContextId,
top_level_browsing_context_id: TopLevelBrowsingContextId,
reason: String,
backtrace: Option<String>)
{
@ -2808,8 +2832,9 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
let event = MozBrowserEvent::Error(MozBrowserErrorType::Fatal, reason, report);
let browsing_context_id = BrowsingContextId::from(top_level_browsing_context_id);
match self.browsing_contexts.get(&top_level_browsing_context_id) {
match self.browsing_contexts.get(&browsing_context_id) {
None => warn!("Mozbrowser error after top-level browsing context closed."),
Some(browsing_context) => match self.pipelines.get(&browsing_context.pipeline_id) {
None => warn!("Mozbrowser error after top-level pipeline closed."),
@ -2826,7 +2851,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn focused_pipeline_is_descendant_of(&self, browsing_context_id: BrowsingContextId) -> bool {
self.focus_pipeline_id.map_or(false, |pipeline_id| {
self.fully_active_browsing_contexts_iter(browsing_context_id)
self.fully_active_descendant_browsing_contexts_iter(browsing_context_id)
.any(|browsing_context| browsing_context.pipeline_id == pipeline_id)
})
}

11
components/constellation/pipeline.rs
View file

@ -15,7 +15,7 @@ use ipc_channel::Error;
use ipc_channel::ipc::{self, IpcReceiver, IpcSender};
use ipc_channel::router::ROUTER;
use layout_traits::LayoutThreadFactory;
use msg::constellation_msg::{BrowsingContextId, FrameType, PipelineId, PipelineNamespaceId};
use msg::constellation_msg::{BrowsingContextId, TopLevelBrowsingContextId, FrameType, PipelineId, PipelineNamespaceId};
use net::image_cache::ImageCacheImpl;
use net_traits::{IpcSend, ResourceThreads};
use net_traits::image_cache::ImageCache;
@ -104,7 +104,7 @@ pub struct InitialPipelineState {
pub browsing_context_id: BrowsingContextId,
/// The ID of the top-level browsing context that contains this Pipeline.
pub top_level_browsing_context_id: BrowsingContextId,
pub top_level_browsing_context_id: TopLevelBrowsingContextId,
/// The ID of the parent pipeline and frame type, if any.
/// If `None`, this is the root.
@ -201,6 +201,7 @@ impl Pipeline {
parent_info: state.parent_info,
new_pipeline_id: state.id,
browsing_context_id: state.browsing_context_id,
top_level_browsing_context_id: state.top_level_browsing_context_id,
load_data: state.load_data,
window_size: window_size,
pipeline_port: pipeline_port,
@ -393,7 +394,7 @@ impl Pipeline {
/// This will cause an event to be fired on an iframe in the document,
/// or on the `Window` if no frame is given.
pub fn trigger_mozbrowser_event(&self,
child_id: Option<BrowsingContextId>,
child_id: Option<TopLevelBrowsingContextId>,
event: MozBrowserEvent) {
assert!(PREFS.is_mozbrowser_enabled());
@ -433,8 +434,8 @@ impl Pipeline {
#[derive(Deserialize, Serialize)]
pub struct UnprivilegedPipelineContent {
id: PipelineId,
top_level_browsing_context_id: TopLevelBrowsingContextId,
browsing_context_id: BrowsingContextId,
top_level_browsing_context_id: BrowsingContextId,
parent_info: Option<(PipelineId, FrameType)>,
constellation_chan: IpcSender<ScriptMsg>,
layout_to_constellation_chan: IpcSender<LayoutMsg>,
@ -491,7 +492,7 @@ impl UnprivilegedPipelineContent {
}, self.load_data.clone());
LTF::create(self.id,
Some(self.top_level_browsing_context_id),
self.top_level_browsing_context_id,
self.load_data.url,
self.parent_info.is_some(),
layout_pair,

18
components/layout_thread/lib.rs
View file

@ -74,7 +74,8 @@ use layout::webrender_helpers::WebRenderDisplayListConverter;
use layout::wrapper::LayoutNodeLayoutData;
use layout::wrapper::drop_style_and_layout_data;
use layout_traits::LayoutThreadFactory;
use msg::constellation_msg::{BrowsingContextId, PipelineId};
use msg::constellation_msg::PipelineId;
use msg::constellation_msg::TopLevelBrowsingContextId;
use net_traits::image_cache::{ImageCache, UsePlaceholder};
use parking_lot::RwLock;
use profile_traits::mem::{self, Report, ReportKind, ReportsChan};
@ -130,6 +131,9 @@ pub struct LayoutThread {
/// The ID of the pipeline that we belong to.
id: PipelineId,
/// The ID of the top-level browsing context that we belong to.
top_level_browsing_context_id: TopLevelBrowsingContextId,
/// The URL of the pipeline that we belong to.
url: ServoUrl,
@ -244,7 +248,7 @@ impl LayoutThreadFactory for LayoutThread {
/// Spawns a new layout thread.
fn create(id: PipelineId,
top_level_browsing_context_id: Option<BrowsingContextId>,
top_level_browsing_context_id: TopLevelBrowsingContextId,
url: ServoUrl,
is_iframe: bool,
chan: (Sender<Msg>, Receiver<Msg>),
@ -261,13 +265,13 @@ impl LayoutThreadFactory for LayoutThread {
thread::Builder::new().name(format!("LayoutThread {:?}", id)).spawn(move || {
thread_state::initialize(thread_state::LAYOUT);
if let Some(top_level_browsing_context_id) = top_level_browsing_context_id {
BrowsingContextId::install(top_level_browsing_context_id);
}
// In order to get accurate crash reports, we install the top-level bc id.
TopLevelBrowsingContextId::install(top_level_browsing_context_id);
{ // Ensures layout thread is destroyed before we send shutdown message
let sender = chan.0;
let layout = LayoutThread::new(id,
top_level_browsing_context_id,
url,
is_iframe,
chan.1,
@ -417,6 +421,7 @@ fn add_font_face_rules(stylesheet: &Stylesheet,
impl LayoutThread {
/// Creates a new `LayoutThread` structure.
fn new(id: PipelineId,
top_level_browsing_context_id: TopLevelBrowsingContextId,
url: ServoUrl,
is_iframe: bool,
port: Receiver<Msg>,
@ -465,6 +470,7 @@ impl LayoutThread {
LayoutThread {
id: id,
top_level_browsing_context_id: top_level_browsing_context_id,
url: url,
is_iframe: is_iframe,
port: port,
@ -732,7 +738,7 @@ impl LayoutThread {
fn create_layout_thread(&self, info: NewLayoutThreadInfo) {
LayoutThread::create(info.id,
BrowsingContextId::installed(),
self.top_level_browsing_context_id,
info.url.clone(),
info.is_parent,
info.layout_pair,

5
components/layout_traits/lib.rs
View file

@ -20,7 +20,8 @@ extern crate webrender_traits;
use gfx::font_cache_thread::FontCacheThread;
use ipc_channel::ipc::{IpcReceiver, IpcSender};
use msg::constellation_msg::{BrowsingContextId, PipelineId};
use msg::constellation_msg::PipelineId;
use msg::constellation_msg::TopLevelBrowsingContextId;
use net_traits::image_cache::ImageCache;
use profile_traits::{mem, time};
use script_traits::{ConstellationControlMsg, LayoutControlMsg};
@ -34,7 +35,7 @@ use std::sync::mpsc::{Receiver, Sender};
pub trait LayoutThreadFactory {
type Message;
fn create(id: PipelineId,
top_level_browsing_context_id: Option<BrowsingContextId>,
top_level_browsing_context_id: TopLevelBrowsingContextId,
url: ServoUrl,
is_iframe: bool,
chan: (Sender<Self::Message>, Receiver<Self::Message>),

43
components/msg/constellation_msg.rs
View file

@ -258,8 +258,6 @@ impl fmt::Display for PipelineId {
}
}
thread_local!(pub static TOP_LEVEL_BROWSING_CONTEXT_ID: Cell<Option<BrowsingContextId>> = Cell::new(None));
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
pub struct BrowsingContextIndex(pub u32);
@ -278,15 +276,6 @@ impl BrowsingContextId {
new_browsing_context_id
})
}
/// Each script and layout thread should have the top-level browsing context id installed,
/// since it is used by crash reporting.
pub fn install(id: BrowsingContextId) {
TOP_LEVEL_BROWSING_CONTEXT_ID.with(|tls| tls.set(Some(id)))
}
pub fn installed() -> Option<BrowsingContextId> {
TOP_LEVEL_BROWSING_CONTEXT_ID.with(|tls| tls.get())
}
}
impl fmt::Display for BrowsingContextId {
@ -297,6 +286,38 @@ impl fmt::Display for BrowsingContextId {
}
}
thread_local!(pub static TOP_LEVEL_BROWSING_CONTEXT_ID: Cell<Option<TopLevelBrowsingContextId>> = Cell::new(None));
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
pub struct TopLevelBrowsingContextId(BrowsingContextId);
impl TopLevelBrowsingContextId {
pub fn new() -> TopLevelBrowsingContextId {
TopLevelBrowsingContextId(BrowsingContextId::new())
}
/// Each script and layout thread should have the top-level browsing context id installed,
/// since it is used by crash reporting.
pub fn install(id: TopLevelBrowsingContextId) {
TOP_LEVEL_BROWSING_CONTEXT_ID.with(|tls| tls.set(Some(id)))
}
pub fn installed() -> Option<TopLevelBrowsingContextId> {
TOP_LEVEL_BROWSING_CONTEXT_ID.with(|tls| tls.get())
}
}
impl fmt::Display for TopLevelBrowsingContextId {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
self.0.fmt(fmt)
}
}
impl From<TopLevelBrowsingContextId> for BrowsingContextId {
fn from(id: TopLevelBrowsingContextId) -> BrowsingContextId {
id.0
}
}
// We provide ids just for unit testing.
pub const TEST_NAMESPACE: PipelineNamespaceId = PipelineNamespaceId(1234);
pub const TEST_PIPELINE_INDEX: PipelineIndex = PipelineIndex(5678);

5
components/script/dom/bindings/trace.rs
View file

@ -58,7 +58,7 @@ use js::glue::{CallObjectTracer, CallValueTracer};
use js::jsapi::{GCTraceKindToAscii, Heap, JSObject, JSTracer, TraceKind};
use js::jsval::JSVal;
use js::rust::Runtime;
use msg::constellation_msg::{BrowsingContextId, FrameType, PipelineId};
use msg::constellation_msg::{BrowsingContextId, FrameType, PipelineId, TopLevelBrowsingContextId};
use net_traits::{Metadata, NetworkError, ReferrerPolicy, ResourceThreads};
use net_traits::filemanager_thread::RelativePos;
use net_traits::image::base::{Image, ImageMetadata};
@ -336,7 +336,8 @@ unsafe_no_jsmanaged_fields!(TrustedPromise);
unsafe_no_jsmanaged_fields!(PropertyDeclarationBlock);
// These three are interdependent, if you plan to put jsmanaged data
// in one of these make sure it is propagated properly to containing structs
unsafe_no_jsmanaged_fields!(DocumentActivity, BrowsingContextId, FrameType, WindowSizeData, WindowSizeType, PipelineId);
unsafe_no_jsmanaged_fields!(DocumentActivity, WindowSizeData, WindowSizeType);
unsafe_no_jsmanaged_fields!(BrowsingContextId, FrameType, PipelineId, TopLevelBrowsingContextId);
unsafe_no_jsmanaged_fields!(TimerEventId, TimerSource);
unsafe_no_jsmanaged_fields!(TimelineMarkerType);
unsafe_no_jsmanaged_fields!(WorkerId);

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

@ -27,7 +27,7 @@ use js::jsapi::{HandleValue, JS_SetInterruptCallback};
use js::jsapi::{JSAutoCompartment, JSContext};
use js::jsval::UndefinedValue;
use js::rust::Runtime;
use msg::constellation_msg::BrowsingContextId;
use msg::constellation_msg::TopLevelBrowsingContextId;
use net_traits::{IpcSend, load_whole_resource};
use net_traits::request::{CredentialsMode, Destination, RequestInit, Type as RequestType};
use script_runtime::{CommonScriptMsg, ScriptChan, ScriptPort, StackRootTLS, get_reports, new_rt_and_cx};
@ -159,13 +159,13 @@ impl DedicatedWorkerGlobalScope {
closing: Arc<AtomicBool>) {
let serialized_worker_url = worker_url.to_string();
let name = format!("WebWorker for {}", serialized_worker_url);
let top_level_browsing_context_id = BrowsingContextId::installed();
let top_level_browsing_context_id = TopLevelBrowsingContextId::installed();
thread::Builder::new().name(name).spawn(move || {
thread_state::initialize(thread_state::SCRIPT | thread_state::IN_WORKER);
if let Some(top_level_browsing_context_id) = top_level_browsing_context_id {
BrowsingContextId::install(top_level_browsing_context_id);
TopLevelBrowsingContextId::install(top_level_browsing_context_id);
}
let roots = RootCollection::new();

18
components/script/dom/document.rs
View file

@ -100,7 +100,7 @@ use ipc_channel::ipc::{self, IpcSender};
use js::jsapi::{JSContext, JSObject, JSRuntime};
use js::jsapi::JS_GetRuntime;
use msg::constellation_msg::{ALT, CONTROL, SHIFT, SUPER};
use msg::constellation_msg::{BrowsingContextId, Key, KeyModifiers, KeyState};
use msg::constellation_msg::{BrowsingContextId, Key, KeyModifiers, KeyState, TopLevelBrowsingContextId};
use net_traits::{FetchResponseMsg, IpcSend, ReferrerPolicy};
use net_traits::CookieSource::NonHTTP;
use net_traits::CoreResourceMsg::{GetCookiesForUrl, SetCookiesForUrl};
@ -1899,7 +1899,21 @@ impl Document {
/// Find an iframe element in the document.
pub fn find_iframe(&self, browsing_context_id: BrowsingContextId) -> Option<Root<HTMLIFrameElement>> {
self.iter_iframes()
.find(|node| node.browsing_context_id() == browsing_context_id)
.find(|node| node.browsing_context_id() == Some(browsing_context_id))
}
/// Find a mozbrowser iframe element in the document.
pub fn find_mozbrowser_iframe(&self,
top_level_browsing_context_id: TopLevelBrowsingContextId)
-> Option<Root<HTMLIFrameElement>>
{
match self.find_iframe(BrowsingContextId::from(top_level_browsing_context_id)) {
None => None,
Some(iframe) => {
assert!(iframe.Mozbrowser());
Some(iframe)
},
}
}
pub fn get_dom_loading(&self) -> u64 {

92
components/script/dom/htmliframeelement.rs
View file

@ -40,7 +40,7 @@ use html5ever::{LocalName, Prefix};
use ipc_channel::ipc;
use js::jsapi::{JSAutoCompartment, JSContext, MutableHandleValue};
use js::jsval::{NullValue, UndefinedValue};
use msg::constellation_msg::{FrameType, BrowsingContextId, PipelineId, TraversalDirection};
use msg::constellation_msg::{FrameType, BrowsingContextId, PipelineId, TopLevelBrowsingContextId, TraversalDirection};
use net_traits::response::HttpsState;
use script_layout_interface::message::ReflowQueryType;
use script_thread::{ScriptThread, Runnable};
@ -84,7 +84,8 @@ enum ProcessingMode {
#[dom_struct]
pub struct HTMLIFrameElement {
htmlelement: HTMLElement,
browsing_context_id: BrowsingContextId,
top_level_browsing_context_id: Cell<Option<TopLevelBrowsingContextId>>,
browsing_context_id: Cell<Option<BrowsingContextId>>,
pipeline_id: Cell<Option<PipelineId>>,
pending_pipeline_id: Cell<Option<PipelineId>>,
sandbox: MutNullableJS<DOMTokenList>,
@ -112,13 +113,6 @@ impl HTMLIFrameElement {
}).unwrap_or_else(|| ServoUrl::parse("about:blank").unwrap())
}
pub fn generate_new_pipeline_id(&self) -> (Option<PipelineId>, PipelineId) {
let old_pipeline_id = self.pipeline_id.get();
let new_pipeline_id = PipelineId::new();
debug!("Frame {} created pipeline {}.", self.browsing_context_id, new_pipeline_id);
(old_pipeline_id, new_pipeline_id)
}
pub fn navigate_or_reload_child_browsing_context(&self,
load_data: Option<LoadData>,
nav_type: NavigationType,
@ -129,6 +123,16 @@ impl HTMLIFrameElement {
IFrameUnsandboxed
};
let browsing_context_id = match self.browsing_context_id() {
None => return warn!("Navigating unattached iframe."),
Some(id) => id,
};
let top_level_browsing_context_id = match self.top_level_browsing_context_id() {
None => return warn!("Navigating unattached iframe."),
Some(id) => id,
};
let document = document_from_node(self);
let mut load_blocker = self.load_blocker.borrow_mut();
@ -144,7 +148,8 @@ impl HTMLIFrameElement {
}
let window = window_from_node(self);
let (old_pipeline_id, new_pipeline_id) = self.generate_new_pipeline_id();
let old_pipeline_id = self.pipeline_id();
let new_pipeline_id = PipelineId::new();
self.pending_pipeline_id.set(Some(new_pipeline_id));
let private_iframe = self.privatebrowsing();
let frame_type = if self.Mozbrowser() { FrameType::MozBrowserIFrame } else { FrameType::IFrame };
@ -152,7 +157,8 @@ impl HTMLIFrameElement {
let global_scope = window.upcast::<GlobalScope>();
let load_info = IFrameLoadInfo {
parent_pipeline_id: global_scope.pipeline_id(),
browsing_context_id: self.browsing_context_id,
browsing_context_id: browsing_context_id,
top_level_browsing_context_id: top_level_browsing_context_id,
new_pipeline_id: new_pipeline_id,
is_private: private_iframe,
frame_type: frame_type,
@ -171,7 +177,8 @@ impl HTMLIFrameElement {
let new_layout_info = NewLayoutInfo {
parent_info: Some((global_scope.pipeline_id(), frame_type)),
new_pipeline_id: new_pipeline_id,
browsing_context_id: self.browsing_context_id,
browsing_context_id: browsing_context_id,
top_level_browsing_context_id: top_level_browsing_context_id,
load_data: load_data.unwrap(),
pipeline_port: pipeline_receiver,
content_process_shutdown_chan: None,
@ -246,11 +253,29 @@ impl HTMLIFrameElement {
// Synchronously create a new context and navigate it to about:blank.
let url = ServoUrl::parse("about:blank").unwrap();
let document = document_from_node(self);
let pipeline_id = Some(window_from_node(self).upcast::<GlobalScope>().pipeline_id());
let window = window_from_node(self);
let pipeline_id = Some(window.upcast::<GlobalScope>().pipeline_id());
let load_data = LoadData::new(url, pipeline_id, document.get_referrer_policy(), Some(document.url().clone()));
let (browsing_context_id, top_level_browsing_context_id) = if self.Mozbrowser() {
let top_level_browsing_context_id = TopLevelBrowsingContextId::new();
(BrowsingContextId::from(top_level_browsing_context_id), top_level_browsing_context_id)
} else {
(BrowsingContextId::new(), window.window_proxy().top_level_browsing_context_id())
};
self.pipeline_id.set(None);
self.pending_pipeline_id.set(None);
self.top_level_browsing_context_id.set(Some(top_level_browsing_context_id));
self.browsing_context_id.set(Some(browsing_context_id));
self.navigate_or_reload_child_browsing_context(Some(load_data), NavigationType::InitialAboutBlank, false);
}
fn destroy_nested_browsing_context(&self) {
self.pipeline_id.set(None);
self.pending_pipeline_id.set(None);
self.top_level_browsing_context_id.set(None);
self.browsing_context_id.set(None);
}
pub fn update_pipeline_id(&self, new_pipeline_id: PipelineId, reason: UpdatePipelineIdReason) {
if self.pending_pipeline_id.get() != Some(new_pipeline_id) && reason == UpdatePipelineIdReason::Navigation {
return;
@ -277,7 +302,8 @@ impl HTMLIFrameElement {
document: &Document) -> HTMLIFrameElement {
HTMLIFrameElement {
htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
browsing_context_id: BrowsingContextId::new(),
browsing_context_id: Cell::new(None),
top_level_browsing_context_id: Cell::new(None),
pipeline_id: Cell::new(None),
pending_pipeline_id: Cell::new(None),
sandbox: Default::default(),
@ -302,8 +328,13 @@ impl HTMLIFrameElement {
}
#[inline]
pub fn browsing_context_id(&self) -> BrowsingContextId {
self.browsing_context_id
pub fn browsing_context_id(&self) -> Option<BrowsingContextId> {
self.browsing_context_id.get()
}
#[inline]
pub fn top_level_browsing_context_id(&self) -> Option<TopLevelBrowsingContextId> {
self.top_level_browsing_context_id.get()
}
pub fn change_visibility_status(&self, visibility: bool) {
@ -364,7 +395,7 @@ impl HTMLIFrameElement {
pub trait HTMLIFrameElementLayoutMethods {
fn pipeline_id(&self) -> Option<PipelineId>;
fn browsing_context_id(&self) -> BrowsingContextId;
fn browsing_context_id(&self) -> Option<BrowsingContextId>;
fn get_width(&self) -> LengthOrPercentageOrAuto;
fn get_height(&self) -> LengthOrPercentageOrAuto;
}
@ -380,9 +411,9 @@ impl HTMLIFrameElementLayoutMethods for LayoutJS<HTMLIFrameElement> {
#[inline]
#[allow(unsafe_code)]
fn browsing_context_id(&self) -> BrowsingContextId {
fn browsing_context_id(&self) -> Option<BrowsingContextId> {
unsafe {
(*self.unsafe_get()).browsing_context_id
(*self.unsafe_get()).browsing_context_id.get()
}
}
@ -541,7 +572,8 @@ impl HTMLIFrameElementMethods for HTMLIFrameElement {
// https://html.spec.whatwg.org/multipage/#dom-iframe-contentwindow
fn GetContentWindow(&self) -> Option<Root<WindowProxy>> {
self.pipeline_id.get().and_then(|_| ScriptThread::find_window_proxy(self.browsing_context_id))
self.browsing_context_id.get()
.and_then(|browsing_context_id| ScriptThread::find_window_proxy(browsing_context_id))
}
// https://html.spec.whatwg.org/multipage/#dom-iframe-contentdocument
@ -711,7 +743,7 @@ impl VirtualMethods for HTMLIFrameElement {
// is in a document tree and has a browsing context, which is what causes
// the child browsing context to be created.
if self.upcast::<Node>().is_in_doc_with_browsing_context() {
debug!("iframe {} src set while in browsing context.", self.browsing_context_id);
debug!("iframe src set while in browsing context.");
self.process_the_iframe_attributes(ProcessingMode::NotFirstTime);
}
},
@ -740,7 +772,7 @@ impl VirtualMethods for HTMLIFrameElement {
// to the newly-created browsing context, and then process the
// iframe attributes for the "first time"."
if self.upcast::<Node>().is_in_doc_with_browsing_context() {
debug!("iframe {} bound to browsing context.", self.browsing_context_id);
debug!("iframe bound to browsing context.");
debug_assert!(tree_in_doc, "is_in_doc_with_bc, but not tree_in_doc");
self.create_nested_browsing_context();
self.process_the_iframe_attributes(ProcessingMode::FirstTime);
@ -754,13 +786,18 @@ impl VirtualMethods for HTMLIFrameElement {
LoadBlocker::terminate(&mut blocker);
// https://html.spec.whatwg.org/multipage/#a-browsing-context-is-discarded
debug!("Unbinding frame {}.", self.browsing_context_id);
let window = window_from_node(self);
let (sender, receiver) = ipc::channel().unwrap();
// Ask the constellation to remove the iframe, and tell us the
// pipeline ids of the closed pipelines.
let msg = ConstellationMsg::RemoveIFrame(self.browsing_context_id, sender);
let browsing_context_id = match self.browsing_context_id() {
None => return warn!("Unbinding already unbound iframe."),
Some(id) => id,
};
debug!("Unbinding frame {}.", browsing_context_id);
let msg = ConstellationMsg::RemoveIFrame(browsing_context_id, sender);
window.upcast::<GlobalScope>().constellation_chan().send(msg).unwrap();
let exited_pipeline_ids = receiver.recv().unwrap();
@ -769,9 +806,11 @@ impl VirtualMethods for HTMLIFrameElement {
// when the `PipelineExit` message arrives.
for exited_pipeline_id in exited_pipeline_ids {
if let Some(exited_document) = ScriptThread::find_document(exited_pipeline_id) {
debug!("Discarding browsing context for pipeline {}", exited_pipeline_id);
exited_document.window().window_proxy().discard_browsing_context();
for exited_iframe in exited_document.iter_iframes() {
exited_iframe.pipeline_id.set(None);
debug!("Discarding nested browsing context");
exited_iframe.destroy_nested_browsing_context();
}
}
}
@ -781,8 +820,7 @@ impl VirtualMethods for HTMLIFrameElement {
// the load doesn't think that it's a navigation, but instead
// a new iframe. Without this, the constellation gets very
// confused.
self.pipeline_id.set(None);
self.pending_pipeline_id.set(None);
self.destroy_nested_browsing_context();
}
}

2
components/script/dom/node.rs
View file

@ -1136,7 +1136,7 @@ impl LayoutNodeHelpers for LayoutJS<Node> {
fn iframe_browsing_context_id(&self) -> BrowsingContextId {
let iframe_element = self.downcast::<HTMLIFrameElement>()
.expect("not an iframe element!");
iframe_element.browsing_context_id()
iframe_element.browsing_context_id().unwrap()
}
fn iframe_pipeline_id(&self) -> PipelineId {

25
components/script/dom/windowproxy.rs
View file

@ -30,6 +30,7 @@ use js::jsval::{UndefinedValue, PrivateValue};
use js::rust::get_object_class;
use msg::constellation_msg::BrowsingContextId;
use msg::constellation_msg::PipelineId;
use msg::constellation_msg::TopLevelBrowsingContextId;
use std::cell::Cell;
use std::ptr;
@ -50,6 +51,10 @@ pub struct WindowProxy {
/// of the container.
browsing_context_id: BrowsingContextId,
/// The frame id of the top-level ancestor browsing context.
/// In the case that this is a top-level window, this is our id.
top_level_browsing_context_id: TopLevelBrowsingContextId,
/// The pipeline id of the currently active document.
/// May be None, when the currently active document is in another script thread.
/// We do not try to keep the pipeline id for documents in other threads,
@ -69,6 +74,7 @@ pub struct WindowProxy {
impl WindowProxy {
pub fn new_inherited(browsing_context_id: BrowsingContextId,
top_level_browsing_context_id: TopLevelBrowsingContextId,
currently_active: Option<PipelineId>,
frame_element: Option<&Element>,
parent: Option<&WindowProxy>)
@ -77,6 +83,7 @@ impl WindowProxy {
WindowProxy {
reflector: Reflector::new(),
browsing_context_id: browsing_context_id,
top_level_browsing_context_id: top_level_browsing_context_id,
currently_active: Cell::new(currently_active),
discarded: Cell::new(false),
frame_element: frame_element.map(JS::from_ref),
@ -87,6 +94,7 @@ impl WindowProxy {
#[allow(unsafe_code)]
pub fn new(window: &Window,
browsing_context_id: BrowsingContextId,
top_level_browsing_context_id: TopLevelBrowsingContextId,
frame_element: Option<&Element>,
parent: Option<&WindowProxy>)
-> Root<WindowProxy>
@ -107,7 +115,11 @@ impl WindowProxy {
// Create a new browsing context.
let current = Some(window.global().pipeline_id());
let mut window_proxy = box WindowProxy::new_inherited(browsing_context_id, current, frame_element, parent);
let mut window_proxy = box WindowProxy::new_inherited(browsing_context_id,
top_level_browsing_context_id,
current,
frame_element,
parent);
// The window proxy owns the browsing context.
// When we finalize the window proxy, it drops the browsing context it owns.
@ -126,6 +138,7 @@ impl WindowProxy {
#[allow(unsafe_code)]
pub fn new_dissimilar_origin(global_to_clone_from: &GlobalScope,
browsing_context_id: BrowsingContextId,
top_level_browsing_context_id: TopLevelBrowsingContextId,
parent: Option<&WindowProxy>)
-> Root<WindowProxy>
{
@ -136,7 +149,11 @@ impl WindowProxy {
let cx = global_to_clone_from.get_cx();
// Create a new browsing context.
let mut window_proxy = box WindowProxy::new_inherited(browsing_context_id, None, None, parent);
let mut window_proxy = box WindowProxy::new_inherited(browsing_context_id,
top_level_browsing_context_id,
None,
None,
parent);
// Create a new dissimilar-origin window.
let window = DissimilarOriginWindow::new(global_to_clone_from, &*window_proxy);
@ -175,6 +192,10 @@ impl WindowProxy {
self.browsing_context_id
}
pub fn top_level_browsing_context_id(&self) -> TopLevelBrowsingContextId {
self.top_level_browsing_context_id
}
pub fn frame_element(&self) -> Option<&Element> {
self.frame_element.r()
}

78
components/script/script_thread.rs
View file

@ -73,7 +73,7 @@ use js::jsval::UndefinedValue;
use js::rust::Runtime;
use mem::heap_size_of_self_and_children;
use microtask::{MicrotaskQueue, Microtask};
use msg::constellation_msg::{BrowsingContextId, FrameType, PipelineId, PipelineNamespace};
use msg::constellation_msg::{BrowsingContextId, FrameType, PipelineId, PipelineNamespace, TopLevelBrowsingContextId};
use net_traits::{CoreResourceMsg, FetchMetadata, FetchResponseListener};
use net_traits::{IpcSend, Metadata, ReferrerPolicy, ResourceThreads};
use net_traits::image_cache::{ImageCache, PendingImageResponse};
@ -143,8 +143,10 @@ pub unsafe fn trace_thread(tr: *mut JSTracer) {
struct InProgressLoad {
/// The pipeline which requested this load.
pipeline_id: PipelineId,
/// The frame being loaded into.
/// The browsing context being loaded into.
browsing_context_id: BrowsingContextId,
/// The top level ancestor browsing context.
top_level_browsing_context_id: TopLevelBrowsingContextId,
/// 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.
@ -165,6 +167,7 @@ impl InProgressLoad {
/// Create a new InProgressLoad object.
fn new(id: PipelineId,
browsing_context_id: BrowsingContextId,
top_level_browsing_context_id: TopLevelBrowsingContextId,
parent_info: Option<(PipelineId, FrameType)>,
layout_chan: Sender<message::Msg>,
window_size: Option<WindowSizeData>,
@ -173,6 +176,7 @@ impl InProgressLoad {
InProgressLoad {
pipeline_id: id,
browsing_context_id: browsing_context_id,
top_level_browsing_context_id: top_level_browsing_context_id,
parent_info: parent_info,
layout_chan: layout_chan,
window_size: window_size,
@ -548,11 +552,12 @@ impl ScriptThreadFactory for ScriptThread {
thread::Builder::new().name(format!("ScriptThread {:?}", state.id)).spawn(move || {
thread_state::initialize(thread_state::SCRIPT);
PipelineNamespace::install(state.pipeline_namespace_id);
BrowsingContextId::install(state.top_level_browsing_context_id);
TopLevelBrowsingContextId::install(state.top_level_browsing_context_id);
let roots = RootCollection::new();
let _stack_roots_tls = StackRootTLS::new(&roots);
let id = state.id;
let browsing_context_id = state.browsing_context_id;
let top_level_browsing_context_id = state.top_level_browsing_context_id;
let parent_info = state.parent_info;
let mem_profiler_chan = state.mem_profiler_chan.clone();
let window_size = state.window_size;
@ -567,7 +572,7 @@ impl ScriptThreadFactory for ScriptThread {
let mut failsafe = ScriptMemoryFailsafe::new(&script_thread);
let origin = MutableOrigin::new(load_data.url.origin());
let new_load = InProgressLoad::new(id, browsing_context_id, parent_info,
let new_load = InProgressLoad::new(id, browsing_context_id, top_level_browsing_context_id, parent_info,
layout_chan, window_size, load_data.url.clone(), origin);
script_thread.start_page_load(new_load, load_data);
@ -1117,10 +1122,10 @@ impl ScriptThread {
ConstellationControlMsg::PostMessage(pipeline_id, origin, data) =>
self.handle_post_message_msg(pipeline_id, origin, data),
ConstellationControlMsg::MozBrowserEvent(parent_pipeline_id,
browsing_context_id,
top_level_browsing_context_id,
event) =>
self.handle_mozbrowser_event_msg(parent_pipeline_id,
browsing_context_id,
top_level_browsing_context_id,
event),
ConstellationControlMsg::UpdatePipelineId(parent_pipeline_id,
browsing_context_id,
@ -1344,6 +1349,7 @@ impl ScriptThread {
parent_info,
new_pipeline_id,
browsing_context_id,
top_level_browsing_context_id,
load_data,
window_size,
pipeline_port,
@ -1379,9 +1385,14 @@ impl ScriptThread {
};
// Kick off the fetch for the new resource.
let new_load = InProgressLoad::new(new_pipeline_id, browsing_context_id, parent_info,
layout_chan, window_size,
load_data.url.clone(), origin);
let new_load = InProgressLoad::new(new_pipeline_id,
browsing_context_id,
top_level_browsing_context_id,
parent_info,
layout_chan,
window_size,
load_data.url.clone(),
origin);
if load_data.url.as_str() == "about:blank" {
self.start_page_load_about_blank(new_load);
} else {
@ -1495,17 +1506,18 @@ impl ScriptThread {
/// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowserloadstart
fn handle_mozbrowser_event_msg(&self,
parent_pipeline_id: PipelineId,
browsing_context_id: Option<BrowsingContextId>,
top_level_browsing_context_id: Option<TopLevelBrowsingContextId>,
event: MozBrowserEvent) {
let doc = match { self.documents.borrow().find_document(parent_pipeline_id) } {
None => return warn!("Mozbrowser event after pipeline {} closed.", parent_pipeline_id),
Some(doc) => doc,
};
match browsing_context_id {
match top_level_browsing_context_id {
None => doc.window().dispatch_mozbrowser_event(event),
Some(browsing_context_id) => match doc.find_iframe(browsing_context_id) {
None => warn!("Mozbrowser event after iframe {}/{} closed.", parent_pipeline_id, browsing_context_id),
Some(top_level_browsing_context_id) => match doc.find_mozbrowser_iframe(top_level_browsing_context_id) {
None => warn!("Mozbrowser event after iframe {}/{} closed.",
parent_pipeline_id, top_level_browsing_context_id),
Some(frame_element) => frame_element.dispatch_mozbrowser_event(event),
},
}
@ -1779,9 +1791,10 @@ impl ScriptThread {
// construct a new dissimilar-origin browsing context, add it
// to the `window_proxies` map, and return it.
fn remote_window_proxy(&self,
global_to_clone: &GlobalScope,
pipeline_id: PipelineId)
-> Option<Root<WindowProxy>>
global_to_clone: &GlobalScope,
top_level_browsing_context_id: TopLevelBrowsingContextId,
pipeline_id: PipelineId)
-> Option<Root<WindowProxy>>
{
let browsing_context_id = match self.ask_constellation_for_browsing_context_id(pipeline_id) {
Some(browsing_context_id) => browsing_context_id,
@ -1791,10 +1804,15 @@ impl ScriptThread {
return Some(Root::from_ref(window_proxy));
}
let parent = match self.ask_constellation_for_parent_info(pipeline_id) {
Some((parent_id, FrameType::IFrame)) => self.remote_window_proxy(global_to_clone, parent_id),
Some((parent_id, FrameType::IFrame)) => self.remote_window_proxy(global_to_clone,
top_level_browsing_context_id,
parent_id),
_ => None,
};
let window_proxy = WindowProxy::new_dissimilar_origin(global_to_clone, browsing_context_id, parent.r());
let window_proxy = WindowProxy::new_dissimilar_origin(global_to_clone,
browsing_context_id,
top_level_browsing_context_id,
parent.r());
self.window_proxies.borrow_mut().insert(browsing_context_id, JS::from_ref(&*window_proxy));
Some(window_proxy)
}
@ -1806,10 +1824,11 @@ impl ScriptThread {
// construct a new similar-origin browsing context, add it
// to the `window_proxies` map, and return it.
fn local_window_proxy(&self,
window: &Window,
browsing_context_id: BrowsingContextId,
parent_info: Option<(PipelineId, FrameType)>)
-> Root<WindowProxy>
window: &Window,
browsing_context_id: BrowsingContextId,
top_level_browsing_context_id: TopLevelBrowsingContextId,
parent_info: Option<(PipelineId, FrameType)>)
-> Root<WindowProxy>
{
if let Some(window_proxy) = self.window_proxies.borrow().get(&browsing_context_id) {
window_proxy.set_currently_active(&*window);
@ -1821,10 +1840,16 @@ impl ScriptThread {
};
let parent = match (parent_info, iframe.as_ref()) {
(_, Some(iframe)) => Some(window_from_node(&**iframe).window_proxy()),
(Some((parent_id, FrameType::IFrame)), _) => self.remote_window_proxy(window.upcast(), parent_id),
(Some((parent_id, FrameType::IFrame)), _) => self.remote_window_proxy(window.upcast(),
top_level_browsing_context_id,
parent_id),
_ => None,
};
let window_proxy = WindowProxy::new(&window, browsing_context_id, iframe.r().map(Castable::upcast), parent.r());
let window_proxy = WindowProxy::new(&window,
browsing_context_id,
top_level_browsing_context_id,
iframe.r().map(Castable::upcast),
parent.r());
self.window_proxies.borrow_mut().insert(browsing_context_id, JS::from_ref(&*window_proxy));
window_proxy
}
@ -1882,7 +1907,10 @@ impl ScriptThread {
self.webvr_thread.clone());
// Initialize the browsing context for the window.
let window_proxy = self.local_window_proxy(&window, incomplete.browsing_context_id, incomplete.parent_info);
let window_proxy = self.local_window_proxy(&window,
incomplete.browsing_context_id,
incomplete.top_level_browsing_context_id,
incomplete.parent_info);
window.init_window_proxy(&window_proxy);
let last_modified = metadata.headers.as_ref().and_then(|headers| {

21
components/script_traits/lib.rs
View file

@ -53,7 +53,7 @@ use hyper::header::Headers;
use hyper::method::Method;
use ipc_channel::ipc::{IpcReceiver, IpcSender};
use libc::c_void;
use msg::constellation_msg::{BrowsingContextId, FrameType, Key, KeyModifiers, KeyState};
use msg::constellation_msg::{BrowsingContextId, TopLevelBrowsingContextId, FrameType, Key, KeyModifiers, KeyState};
use msg::constellation_msg::{PipelineId, PipelineNamespaceId, TraversalDirection};
use net_traits::{ReferrerPolicy, ResourceThreads};
use net_traits::image::base::Image;
@ -181,6 +181,8 @@ pub struct NewLayoutInfo {
pub new_pipeline_id: PipelineId,
/// Id of the browsing context associated with this pipeline.
pub browsing_context_id: BrowsingContextId,
/// Id of the top-level browsing context associated with this pipeline.
pub top_level_browsing_context_id: TopLevelBrowsingContextId,
/// Network request data which will be initiated by the script thread.
pub load_data: LoadData,
/// Information about the initial window size.
@ -260,9 +262,9 @@ pub enum ConstellationControlMsg {
Navigate(PipelineId, BrowsingContextId, LoadData, bool),
/// Post a message to a given window.
PostMessage(PipelineId, Option<ImmutableOrigin>, Vec<u8>),
/// Requests the script thread forward a mozbrowser event to an iframe it owns,
/// Requests the script thread forward a mozbrowser event to a mozbrowser iframe it owns,
/// or to the window if no browsing context id is provided.
MozBrowserEvent(PipelineId, Option<BrowsingContextId>, MozBrowserEvent),
MozBrowserEvent(PipelineId, Option<TopLevelBrowsingContextId>, MozBrowserEvent),
/// Updates the current pipeline ID of a given iframe.
/// First PipelineId is for the parent, second is the new PipelineId for the frame.
UpdatePipelineId(PipelineId, BrowsingContextId, PipelineId, UpdatePipelineIdReason),
@ -488,10 +490,10 @@ pub struct InitialScriptState {
/// The subpage ID of this pipeline to create in its pipeline parent.
/// If `None`, this is the root.
pub parent_info: Option<(PipelineId, FrameType)>,
/// The ID of the frame this script is part of.
/// The ID of the browsing context this script is part of.
pub browsing_context_id: BrowsingContextId,
/// The ID of the top-level frame this script is part of.
pub top_level_browsing_context_id: BrowsingContextId,
/// The ID of the top-level browsing context this script is part of.
pub top_level_browsing_context_id: TopLevelBrowsingContextId,
/// 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.
@ -548,8 +550,11 @@ pub enum IFrameSandboxState {
pub struct IFrameLoadInfo {
/// Pipeline ID of the parent of this iframe
pub parent_pipeline_id: PipelineId,
/// The ID for this iframe.
/// The ID for this iframe's nested browsing context.
pub browsing_context_id: BrowsingContextId,
/// The ID for the top-level ancestor browsing context of this iframe's nested browsing context.
/// Note: this is the same as the browsing_context_id for mozbrowser iframes.
pub top_level_browsing_context_id: TopLevelBrowsingContextId,
/// The new pipeline ID that the iframe has generated.
pub new_pipeline_id: PipelineId,
/// Whether this iframe should be considered private
@ -761,7 +766,7 @@ pub enum ConstellationMsg {
/// Reload the current page.
Reload,
/// A log entry, with the top-level browsing context id and thread name
LogEntry(Option<BrowsingContextId>, Option<String>, LogEntry),
LogEntry(Option<TopLevelBrowsingContextId>, Option<String>, LogEntry),
/// Set the WebVR thread channel.
SetWebVRThread(IpcSender<WebVRMsg>),
/// Dispatch WebVR events to the subscribed script threads.

4
components/script_traits/script_msg.rs
View file

@ -17,7 +17,7 @@ use devtools_traits::{ScriptToDevtoolsControlMsg, WorkerId};
use euclid::point::Point2D;
use euclid::size::{Size2D, TypedSize2D};
use ipc_channel::ipc::IpcSender;
use msg::constellation_msg::{BrowsingContextId, FrameType, PipelineId, TraversalDirection};
use msg::constellation_msg::{BrowsingContextId, TopLevelBrowsingContextId, FrameType, PipelineId, TraversalDirection};
use msg::constellation_msg::{Key, KeyModifiers, KeyState};
use net_traits::CoreResourceMsg;
use net_traits::storage_thread::StorageType;
@ -148,7 +148,7 @@ pub enum ScriptMsg {
/// Script has handled a touch event, and either prevented or allowed default actions.
TouchEventProcessed(EventResult),
/// A log entry, with the top-level browsing context id and thread name
LogEntry(Option<BrowsingContextId>, Option<String>, LogEntry),
LogEntry(Option<TopLevelBrowsingContextId>, Option<String>, LogEntry),
/// Notifies the constellation that this pipeline has exited.
PipelineExited(PipelineId),
/// Send messages from postMessage calls from serviceworker