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Refactor embedder NewBrowser flow

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This commit is contained in:
Gregory Terzian 2018-06-07 22:37:53 +08:00
parent 96f75465cf
commit e784f5a9f7
7 changed files with 83 additions and 48 deletions
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24
components/constellation/constellation.rs
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@ -578,7 +578,8 @@ where
let swmanager_receiver =
route_ipc_receiver_to_new_mpsc_receiver_preserving_errors(swmanager_receiver);
PipelineNamespace::install(PipelineNamespaceId(0));
// Zero is reserved for the embedder.
PipelineNamespace::install(PipelineNamespaceId(1));
let mut constellation: Constellation<Message, LTF, STF> = Constellation {
script_sender: ipc_script_sender,
@ -605,8 +606,10 @@ where
pipelines: HashMap::new(),
browsing_contexts: HashMap::new(),
pending_changes: vec![],
// We initialize the namespace at 1, since we reserved namespace 0 for the constellation
next_pipeline_namespace_id: PipelineNamespaceId(1),
// We initialize the namespace at 2,
// since we reserved namespace 0 for the embedder,
// and 0 for the constellation
next_pipeline_namespace_id: PipelineNamespaceId(2),
focus_pipeline_id: None,
time_profiler_chan: state.time_profiler_chan,
mem_profiler_chan: state.mem_profiler_chan,
@ -1026,8 +1029,8 @@ where
},
// Create a new top level browsing context. Will use response_chan to return
// the browsing context id.
FromCompositorMsg::NewBrowser(url, response_chan) => {
self.handle_new_top_level_browsing_context(url, response_chan);
FromCompositorMsg::NewBrowser(url, top_level_browsing_context_id) => {
self.handle_new_top_level_browsing_context(url, top_level_browsing_context_id);
},
// Close a top level browsing context.
FromCompositorMsg::CloseBrowser(top_level_browsing_context_id) => {
@ -1651,17 +1654,12 @@ where
fn handle_new_top_level_browsing_context(
&mut self,
url: ServoUrl,
reply: IpcSender<TopLevelBrowsingContextId>,
top_level_browsing_context_id: TopLevelBrowsingContextId
) {
let window_size = self.window_size.initial_viewport;
let pipeline_id = PipelineId::new();
let top_level_browsing_context_id = TopLevelBrowsingContextId::new();
if let Err(e) = reply.send(top_level_browsing_context_id) {
warn!(
"Failed to send newly created top level browsing context ({}).",
e
);
}
let msg = (Some(top_level_browsing_context_id), EmbedderMsg::BrowserCreated(top_level_browsing_context_id));
self.embedder_proxy.send(msg);
let browsing_context_id = BrowsingContextId::from(top_level_browsing_context_id);
let load_data = LoadData::new(url.clone(), None, None, None);
let sandbox = IFrameSandboxState::IFrameUnsandboxed;