mirror of
https://github.com/servo/servo.git
synced 2025-08-03 20:50:07 +01:00
remove mozbrowser code
This commit is contained in:
Paul Rouget
parent
e7c754fb64
commit
da349ee8a9
22 changed files with 78 additions and 1003 deletions
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@ -43,9 +43,6 @@
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//! +------------+ +------------+
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//! ```
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//
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//! Complicating matters, there are also mozbrowser iframes, which are top-level
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//! iframes with a parent.
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//!
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//! The constellation also maintains channels to threads, including:
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//!
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//! * The script and layout threads.
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@ -59,8 +56,7 @@
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//! to track the evolving state of the browsing context tree.
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//!
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//! The constellation acts as a logger, tracking any `warn!` messages from threads,
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//! and converting any `error!` or `panic!` into a crash report, which is filed
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//! using an appropriate `mozbrowsererror` event.
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//! and converting any `error!` or `panic!` into a crash report.
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//!
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//! Since there is only one constellation, and its responsibilities include crash reporting,
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//! it is very important that it does not panic.
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@ -116,7 +112,7 @@ use ipc_channel::router::ROUTER;
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use itertools::Itertools;
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use layout_traits::LayoutThreadFactory;
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use log::{Log, LogLevel, LogLevelFilter, LogMetadata, LogRecord};
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use msg::constellation_msg::{BrowsingContextId, TopLevelBrowsingContextId, FrameType, PipelineId};
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use msg::constellation_msg::{BrowsingContextId, TopLevelBrowsingContextId, PipelineId};
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use msg::constellation_msg::{Key, KeyModifiers, KeyState};
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use msg::constellation_msg::{PipelineNamespace, PipelineNamespaceId, TraversalDirection};
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use net_traits::{self, IpcSend, FetchResponseMsg, ResourceThreads};
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@ -133,8 +129,8 @@ use script_traits::{DocumentActivity, DocumentState, LayoutControlMsg, LoadData}
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use script_traits::{IFrameLoadInfo, IFrameLoadInfoWithData, IFrameSandboxState, TimerSchedulerMsg};
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use script_traits::{LayoutMsg as FromLayoutMsg, ScriptMsg as FromScriptMsg, ScriptThreadFactory};
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use script_traits::{LogEntry, ScriptToConstellationChan, ServiceWorkerMsg, webdriver_msg};
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use script_traits::{MozBrowserErrorType, MozBrowserEvent, WebDriverCommandMsg, WindowSizeData};
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use script_traits::{SWManagerMsg, ScopeThings, UpdatePipelineIdReason, WindowSizeType};
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use script_traits::{SWManagerMsg, ScopeThings, UpdatePipelineIdReason, WebDriverCommandMsg};
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use script_traits::{WindowSizeData, WindowSizeType};
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use serde::{Deserialize, Serialize};
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use servo_config::opts;
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use servo_config::prefs::PREFS;
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@ -658,7 +654,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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pipeline_id: PipelineId,
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browsing_context_id: BrowsingContextId,
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top_level_browsing_context_id: TopLevelBrowsingContextId,
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parent_info: Option<(PipelineId, FrameType)>,
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parent_info: Option<PipelineId>,
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initial_window_size: Option<TypedSize2D<f32, CSSPixel>>,
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// TODO: we have to provide ownership of the LoadData
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// here, because it will be send on an ipc channel,
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@ -690,7 +686,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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},
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}
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} else if let Some(parent) = parent_info
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.and_then(|(pipeline_id, _)| self.pipelines.get(&pipeline_id)) {
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.and_then(|pipeline_id| self.pipelines.get(&pipeline_id)) {
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(Some(parent.event_loop.clone()), None)
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} else if let Some(creator) = load_data.creator_pipeline_id
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.and_then(|pipeline_id| self.pipelines.get(&pipeline_id)) {
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@ -708,7 +704,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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};
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let parent_visibility = parent_info
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.and_then(|(parent_pipeline_id, _)| self.pipelines.get(&parent_pipeline_id))
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.and_then(|parent_pipeline_id| self.pipelines.get(&parent_pipeline_id))
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.map(|pipeline| pipeline.visible);
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let prev_visibility = self.browsing_contexts.get(&browsing_context_id)
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@ -824,12 +820,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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)
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}
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/// Is the joint session future empty?
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fn joint_session_future_is_empty(&self, top_level_browsing_context_id: TopLevelBrowsingContextId) -> bool {
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self.all_browsing_contexts_iter(top_level_browsing_context_id)
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.all(|browsing_context| browsing_context.next.is_empty())
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}
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#[cfg(feature = "unstable")]
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/// The joint session past is the merge of the session past of every
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/// browsing_context, sorted reverse chronologically.
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@ -866,12 +856,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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)
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}
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/// Is the joint session past empty?
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fn joint_session_past_is_empty(&self, top_level_browsing_context_id: TopLevelBrowsingContextId) -> bool {
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self.all_browsing_contexts_iter(top_level_browsing_context_id)
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.all(|browsing_context| browsing_context.prev.is_empty())
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}
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/// Create a new browsing context and update the internal bookkeeping.
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fn new_browsing_context(&mut self,
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browsing_context_id: BrowsingContextId,
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@ -885,7 +869,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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// If a child browsing_context, add it to the parent pipeline.
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let parent_info = self.pipelines.get(&pipeline_id)
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.and_then(|pipeline| pipeline.parent_info);
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if let Some((parent_id, _)) = parent_info {
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if let Some(parent_id) = parent_info {
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if let Some(parent) = self.pipelines.get_mut(&parent_id) {
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parent.add_child(browsing_context_id);
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}
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@ -1173,10 +1157,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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debug!("constellation got postMessage message");
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self.handle_post_message_msg(browsing_context_id, origin, data);
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}
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FromScriptMsg::MozBrowserEvent(pipeline_id, event) => {
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debug!("constellation got mozbrowser event message");
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self.handle_mozbrowser_event_msg(pipeline_id, source_top_ctx_id, event);
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}
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FromScriptMsg::Focus => {
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debug!("constellation got focus message");
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self.handle_focus_msg(source_pipeline_id);
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@ -1502,7 +1482,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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fn handle_panic(&mut self,
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top_level_browsing_context_id: TopLevelBrowsingContextId,
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reason: String,
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backtrace: Option<String>)
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_backtrace: Option<String>)
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{
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if opts::get().hard_fail {
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// It's quite difficult to make Servo exit cleanly if some threads have failed.
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@ -1515,8 +1495,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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let browsing_context_id = BrowsingContextId::from(top_level_browsing_context_id);
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// Notify the browser chrome that the pipeline has failed
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self.trigger_mozbrowsererror(top_level_browsing_context_id, reason, backtrace);
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// FIXME: report to embedder: (top_level_browsing_context_id, reason, backtrace);
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let (window_size, pipeline_id) = {
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let browsing_context = self.browsing_contexts.get(&browsing_context_id);
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@ -1656,7 +1635,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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fn handle_subframe_loaded(&mut self, pipeline_id: PipelineId) {
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let (browsing_context_id, parent_id) = match self.pipelines.get(&pipeline_id) {
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Some(pipeline) => match pipeline.parent_info {
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Some((parent_id, _)) => (pipeline.browsing_context_id, parent_id),
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Some(parent_id) => (pipeline.browsing_context_id, parent_id),
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None => return debug!("Pipeline {} has no parent.", pipeline_id),
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},
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None => return warn!("Pipeline {} loaded after closure.", pipeline_id),
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@ -1732,7 +1711,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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self.new_pipeline(load_info.info.new_pipeline_id,
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load_info.info.browsing_context_id,
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load_info.info.top_level_browsing_context_id,
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Some((load_info.info.parent_pipeline_id, load_info.info.frame_type)),
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Some(load_info.info.parent_pipeline_id),
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window_size,
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load_data.clone(),
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load_info.sandbox,
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@ -1752,7 +1731,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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let IFrameLoadInfo {
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parent_pipeline_id,
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new_pipeline_id,
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frame_type,
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replace,
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browsing_context_id,
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top_level_browsing_context_id,
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@ -1772,7 +1750,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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Pipeline::new(new_pipeline_id,
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browsing_context_id,
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top_level_browsing_context_id,
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Some((parent_pipeline_id, frame_type)),
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Some(parent_pipeline_id),
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script_sender,
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layout_sender,
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self.compositor_proxy.clone(),
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@ -1841,27 +1819,11 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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fn handle_alert(&mut self,
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top_level_browsing_context_id: TopLevelBrowsingContextId,
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message: String,
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_message: String,
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sender: IpcSender<bool>) {
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let browser_pipeline_id = self.browsing_contexts.get(&BrowsingContextId::from(top_level_browsing_context_id))
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.and_then(|browsing_context| self.pipelines.get(&browsing_context.pipeline_id))
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.and_then(|pipeline| pipeline.parent_info)
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.map(|(browser_pipeline_id, _)| browser_pipeline_id);
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let mozbrowser_modal_prompt = PREFS.is_mozbrowser_enabled() && browser_pipeline_id.is_some();
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if mozbrowser_modal_prompt {
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// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowsershowmodalprompt
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let prompt_type = String::from("alert");
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let title = String::from("Alert");
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let return_value = String::from("");
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let event = MozBrowserEvent::ShowModalPrompt(prompt_type, title, message, return_value);
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match browser_pipeline_id.and_then(|id| self.pipelines.get(&id)) {
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None => warn!("Alert sent after browser pipeline closure."),
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Some(pipeline) => pipeline.trigger_mozbrowser_event(Some(top_level_browsing_context_id), event),
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}
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}
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let result = sender.send(!mozbrowser_modal_prompt);
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// FIXME: forward alert event to embedder
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// https://github.com/servo/servo/issues/19992
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let result = sender.send(true);
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if let Err(e) = result {
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let ctx_id = BrowsingContextId::from(top_level_browsing_context_id);
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let pipeline_id = match self.browsing_contexts.get(&ctx_id) {
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@ -1902,7 +1864,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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}
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};
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match parent_info {
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Some((parent_pipeline_id, _)) => {
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Some(parent_pipeline_id) => {
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// Find the script thread for the pipeline containing the iframe
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// and issue an iframe load through there.
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let msg = ConstellationControlMsg::Navigate(parent_pipeline_id,
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@ -2131,22 +2093,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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}
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}
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fn handle_mozbrowser_event_msg(&mut self,
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pipeline_id: PipelineId,
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top_level_browsing_context_id: TopLevelBrowsingContextId,
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event: MozBrowserEvent) {
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assert!(PREFS.is_mozbrowser_enabled());
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// Find the script channel for the given parent pipeline,
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// and pass the event to that script thread.
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// If the pipeline lookup fails, it is because we have torn down the pipeline,
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// so it is reasonable to silently ignore the event.
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match self.pipelines.get(&pipeline_id) {
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Some(pipeline) => pipeline.trigger_mozbrowser_event(Some(top_level_browsing_context_id), event),
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None => warn!("Pipeline {:?} handling mozbrowser event after closure.", pipeline_id),
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}
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}
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fn handle_get_pipeline(&mut self,
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browsing_context_id: BrowsingContextId,
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resp_chan: IpcSender<Option<PipelineId>>) {
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@ -2175,7 +2121,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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Some(pipeline) => (pipeline.browsing_context_id, pipeline.parent_info),
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None => return warn!("Pipeline {:?} focus parent after closure.", pipeline_id),
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};
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let (parent_pipeline_id, _) = match parent_info {
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let parent_pipeline_id = match parent_info {
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Some(info) => info,
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None => return debug!("Pipeline {:?} focus has no parent.", pipeline_id),
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};
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@ -2234,7 +2180,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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None => return warn!("Visibity change for closed pipeline {:?}.", pipeline_id),
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Some(pipeline) => (pipeline.browsing_context_id, pipeline.parent_info),
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};
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if let Some((parent_pipeline_id, _)) = parent_pipeline_info {
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if let Some(parent_pipeline_id) = parent_pipeline_info {
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let visibility_msg = ConstellationControlMsg::NotifyVisibilityChange(parent_pipeline_id,
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browsing_context_id,
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visibility);
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@ -2430,7 +2376,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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// Update the owning iframe to point to the new pipeline id.
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// This makes things like contentDocument work correctly.
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if let Some((parent_pipeline_id, frame_type)) = parent_info {
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if let Some(parent_pipeline_id) = parent_info {
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let msg = ConstellationControlMsg::UpdatePipelineId(parent_pipeline_id,
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browsing_context_id, pipeline_id, UpdatePipelineIdReason::Traversal);
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let result = match self.pipelines.get(&parent_pipeline_id) {
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@ -2440,12 +2386,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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if let Err(e) = result {
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self.handle_send_error(parent_pipeline_id, e);
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}
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// If this is a mozbrowser iframe, send a mozbrowser location change event.
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// This is the result of a back/forward traversal.
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if frame_type == FrameType::MozBrowserIFrame {
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self.trigger_mozbrowserlocationchange(top_level_id);
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}
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}
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}
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@ -2579,11 +2519,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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self.notify_history_changed(change.top_level_browsing_context_id);
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}
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// If the navigation is for a top-level browsing context, inform mozbrowser
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if change.browsing_context_id == change.top_level_browsing_context_id {
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self.trigger_mozbrowserlocationchange(change.top_level_browsing_context_id);
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}
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self.update_frame_tree_if_active(change.top_level_browsing_context_id);
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}
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@ -2592,7 +2527,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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// Notify the parent (if there is one).
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if let Some(pipeline) = self.pipelines.get(&pipeline_id) {
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if let Some((parent_pipeline_id, _)) = pipeline.parent_info {
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if let Some(parent_pipeline_id) = pipeline.parent_info {
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if let Some(parent_pipeline) = self.pipelines.get(&parent_pipeline_id) {
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let msg = ConstellationControlMsg::UpdatePipelineId(parent_pipeline_id,
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pipeline.browsing_context_id, pipeline_id, UpdatePipelineIdReason::Navigation);
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@ -2759,7 +2694,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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if let Some(ancestor) = self.pipelines.get(&ancestor_id) {
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if let Some(browsing_context) = self.browsing_contexts.get(&ancestor.browsing_context_id) {
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if browsing_context.pipeline_id == ancestor_id {
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if let Some((parent_id, FrameType::IFrame)) = ancestor.parent_info {
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if let Some(parent_id) = ancestor.parent_info {
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ancestor_id = parent_id;
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continue;
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} else {
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@ -2887,7 +2822,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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let parent_info = self.pipelines.get(&browsing_context.pipeline_id)
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.and_then(|pipeline| pipeline.parent_info);
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if let Some((parent_pipeline_id, _)) = parent_info {
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if let Some(parent_pipeline_id) = parent_info {
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match self.pipelines.get_mut(&parent_pipeline_id) {
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None => return warn!("Pipeline {:?} child closed after parent.", parent_pipeline_id),
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Some(parent_pipeline) => parent_pipeline.remove_child(browsing_context_id),
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@ -2982,13 +2917,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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if let Some((ref mut rng, probability)) = self.random_pipeline_closure {
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if let Some(pipeline_id) = rng.choose(&*pipeline_ids) {
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if let Some(pipeline) = self.pipelines.get(pipeline_id) {
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// Don't kill the mozbrowser pipeline
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if PREFS.is_mozbrowser_enabled() && pipeline.parent_info.is_none() {
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info!("Not closing mozbrowser pipeline {}.", pipeline_id);
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} else if
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self.pending_changes.iter().any(|change| change.new_pipeline_id == pipeline.id) &&
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probability <= rng.gen::<f32>()
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{
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if self.pending_changes.iter().any(|change| change.new_pipeline_id == pipeline.id) &&
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probability <= rng.gen::<f32>() {
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// We tend not to close pending pipelines, as that almost always
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// results in pipelines being closed early in their lifecycle,
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// and not stressing the constellation as much.
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@ -3027,26 +2957,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
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}
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/// Re-send the frame tree to the compositor.
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fn update_frame_tree_if_active(&mut self, mut top_level_browsing_context_id: TopLevelBrowsingContextId) {
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// This might be a mozbrowser iframe, so we need to climb the parent hierarchy,
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// even though it's a top-level browsing context.
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// FIXME(paul): to remove once mozbrowser API is removed.
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let browsing_context_id = BrowsingContextId::from(top_level_browsing_context_id);
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let mut pipeline_id = match self.browsing_contexts.get(&browsing_context_id) {
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Some(browsing_context) => browsing_context.pipeline_id,
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None => return warn!("Sending frame tree for discarded browsing context {}.", browsing_context_id),
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};
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while let Some(pipeline) = self.pipelines.get(&pipeline_id) {
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match pipeline.parent_info {
|
||||
Some((parent_id, _)) => pipeline_id = parent_id,
|
||||
None => {
|
||||
top_level_browsing_context_id = pipeline.top_level_browsing_context_id;
|
||||
break;
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
fn update_frame_tree_if_active(&mut self, top_level_browsing_context_id: TopLevelBrowsingContextId) {
|
||||
// Only send the frame tree if it's the active one or if no frame tree
|
||||
// has been sent yet.
|
||||
if self.active_browser_id.is_none() || Some(top_level_browsing_context_id) == self.active_browser_id {
|
||||
|
|
@ -3069,77 +2980,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
|
|||
}
|
||||
}
|
||||
|
||||
// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowserlocationchange
|
||||
// Note that this is a no-op if the pipeline is not a mozbrowser iframe
|
||||
fn trigger_mozbrowserlocationchange(&self,
|
||||
top_level_browsing_context_id: TopLevelBrowsingContextId)
|
||||
{
|
||||
let browsing_context_id = BrowsingContextId::from(top_level_browsing_context_id);
|
||||
let pipeline_id = match self.browsing_contexts.get(&browsing_context_id) {
|
||||
Some(browsing_context) => browsing_context.pipeline_id,
|
||||
None => return warn!("mozbrowser location change on closed browsing context {}.", browsing_context_id),
|
||||
};
|
||||
let (url, parent_info) = match self.pipelines.get(&pipeline_id) {
|
||||
Some(pipeline) => (pipeline.url.clone(), pipeline.parent_info),
|
||||
None => return warn!("mozbrowser location change on closed pipeline {}.", pipeline_id),
|
||||
};
|
||||
let parent_id = match parent_info {
|
||||
Some((parent_id, FrameType::MozBrowserIFrame)) => parent_id,
|
||||
_ => return debug!("mozbrowser location change on a regular iframe {}", 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 event = MozBrowserEvent::LocationChange(url.to_string(), can_go_back, can_go_forward);
|
||||
match self.pipelines.get(&parent_id) {
|
||||
Some(parent) => parent.trigger_mozbrowser_event(Some(top_level_browsing_context_id), event),
|
||||
None => return warn!("mozbrowser location change on closed parent {}", parent_id),
|
||||
};
|
||||
}
|
||||
|
||||
// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowsererror
|
||||
fn trigger_mozbrowsererror(&mut self,
|
||||
top_level_browsing_context_id: TopLevelBrowsingContextId,
|
||||
reason: String,
|
||||
backtrace: Option<String>)
|
||||
{
|
||||
if !PREFS.is_mozbrowser_enabled() { return; }
|
||||
|
||||
let mut report = String::new();
|
||||
for (thread_name, warning) in self.handled_warnings.drain(..) {
|
||||
report.push_str("\nWARNING: ");
|
||||
if let Some(thread_name) = thread_name {
|
||||
report.push_str("<");
|
||||
report.push_str(&*thread_name);
|
||||
report.push_str(">: ");
|
||||
}
|
||||
report.push_str(&*warning);
|
||||
}
|
||||
report.push_str("\nERROR: ");
|
||||
report.push_str(&*reason);
|
||||
if let Some(backtrace) = backtrace {
|
||||
report.push_str("\n\n");
|
||||
report.push_str(&*backtrace);
|
||||
}
|
||||
|
||||
let event = MozBrowserEvent::Error(MozBrowserErrorType::Fatal, reason, report);
|
||||
let browsing_context_id = BrowsingContextId::from(top_level_browsing_context_id);
|
||||
let pipeline_id = match self.browsing_contexts.get(&browsing_context_id) {
|
||||
Some(browsing_context) => browsing_context.pipeline_id,
|
||||
None => return warn!("Mozbrowser error after top-level browsing context closed."),
|
||||
};
|
||||
let parent_id = match self.pipelines.get(&pipeline_id) {
|
||||
Some(pipeline) => match pipeline.parent_info {
|
||||
Some((parent_id, FrameType::MozBrowserIFrame)) => parent_id,
|
||||
_ => return pipeline.trigger_mozbrowser_event(None, event),
|
||||
},
|
||||
None => return warn!("Mozbrowser error on a closed pipeline {}", pipeline_id),
|
||||
};
|
||||
match self.pipelines.get(&parent_id) {
|
||||
None => warn!("Mozbrowser error after parent pipeline {} closed.", parent_id),
|
||||
Some(parent) => parent.trigger_mozbrowser_event(Some(top_level_browsing_context_id), event),
|
||||
};
|
||||
}
|
||||
|
||||
fn focused_pipeline_is_descendant_of(&self, browsing_context_id: BrowsingContextId) -> bool {
|
||||
self.focus_pipeline_id.map_or(false, |pipeline_id| {
|
||||
self.fully_active_descendant_browsing_contexts_iter(browsing_context_id)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue