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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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3
components/compositing/windowing.rs
View file

@ -8,7 +8,6 @@ use embedder_traits::EventLoopWaker;
use euclid::TypedScale;
#[cfg(feature = "gleam")]
use gleam::gl;
use ipc_channel::ipc::IpcSender;
use msg::constellation_msg::{Key, KeyModifiers, KeyState, TopLevelBrowsingContextId, TraversalDirection};
use script_traits::{MouseButton, TouchEventType, TouchId};
use servo_geometry::{DeviceIndependentPixel, DeviceUintLength};
@ -75,7 +74,7 @@ pub enum WindowEvent {
/// Sent when Ctr+R/Apple+R is called to reload the current page.
Reload(TopLevelBrowsingContextId),
/// Create a new top level browsing context
NewBrowser(ServoUrl, IpcSender<TopLevelBrowsingContextId>),
NewBrowser(ServoUrl, TopLevelBrowsingContextId),
/// Close a top level browsing context
CloseBrowser(TopLevelBrowsingContextId),
/// Panic a top level browsing context.

24
components/constellation/constellation.rs
View file

@ -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;

2
components/script_traits/lib.rs
View file

@ -717,7 +717,7 @@ pub enum ConstellationMsg {
/// Dispatch WebVR events to the subscribed script threads.
WebVREvents(Vec<PipelineId>, Vec<WebVREvent>),
/// Create a new top level browsing context.
NewBrowser(ServoUrl, IpcSender<TopLevelBrowsingContextId>),
NewBrowser(ServoUrl, TopLevelBrowsingContextId),
/// Close a top level browsing context.
CloseBrowser(TopLevelBrowsingContextId),
/// Panic a top level browsing context.

8
components/servo/lib.rs
View file

@ -87,6 +87,7 @@ use gaol::sandbox::{ChildSandbox, ChildSandboxMethods};
use gfx::font_cache_thread::FontCacheThread;
use ipc_channel::ipc::{self, IpcSender};
use log::{Log, Metadata, Record};
use msg::constellation_msg::{PipelineNamespace, PipelineNamespaceId};
use net::resource_thread::new_resource_threads;
use net_traits::IpcSend;
use profile::mem as profile_mem;
@ -135,6 +136,9 @@ impl<Window> Servo<Window> where Window: WindowMethods + 'static {
// Make sure the gl context is made current.
window.prepare_for_composite(Length::new(0), Length::new(0));
// Reserving a namespace to create TopLevelBrowserContextId.
PipelineNamespace::install(PipelineNamespaceId(0));
// Get both endpoints of a special channel for communication between
// the client window and the compositor. This channel is unique because
// messages to client may need to pump a platform-specific event loop
@ -326,8 +330,8 @@ impl<Window> Servo<Window> where Window: WindowMethods + 'static {
self.compositor.capture_webrender();
}
WindowEvent::NewBrowser(url, response_chan) => {
let msg = ConstellationMsg::NewBrowser(url, response_chan);
WindowEvent::NewBrowser(url, browser_id) => {
let msg = ConstellationMsg::NewBrowser(url, browser_id);
if let Err(e) = self.constellation_chan.send(msg) {
warn!("Sending NewBrowser message to constellation failed ({}).", e);
}