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Auto merge of #15794 - paulrouget:head_parsed_url, r=asajeffrey

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Notify embedder when history changes

`WindowMethods::set_page_url` is only called when the embedder set the URL. It is not called when the page url is updated. I believe that instead we should just pass the URL to `head_parsed`.

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #15439 #15643 and #15642 (github issue number if applicable).

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- [ ] There are tests for these changes OR
- [x] These changes do not require tests because I'm not sure how to test that

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This commit is contained in:
bors-servo 2017-04-25 14:14:31 -05:00 • committed by GitHub
commit dc594face8
6 changed files with 111 additions and 77 deletions
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75
components/constellation/constellation.rs
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@ -1350,7 +1350,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
load_data: load_data,
replace_instant: None,
});
self.compositor_proxy.send(ToCompositorMsg::ChangePageUrl(root_pipeline_id, url));
}
fn handle_frame_size_msg(&mut self,
@ -1663,11 +1662,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
}
fn handle_load_start_msg(&mut self, pipeline_id: PipelineId) {
let frame_id = self.get_top_level_frame_for_pipeline(pipeline_id);
let forward = !self.joint_session_future_is_empty(frame_id);
let back = !self.joint_session_past_is_empty(frame_id);
self.compositor_proxy.send(ToCompositorMsg::LoadStart(back, forward));
fn handle_load_start_msg(&mut self, _pipeline_id: PipelineId) {
self.compositor_proxy.send(ToCompositorMsg::LoadStart);
}
fn handle_load_complete_msg(&mut self, pipeline_id: PipelineId) {
@ -1682,11 +1678,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
if webdriver_reset {
self.webdriver.load_channel = None;
}
let frame_id = self.get_top_level_frame_for_pipeline(pipeline_id);
let forward = !self.joint_session_future_is_empty(frame_id);
let back = !self.joint_session_past_is_empty(frame_id);
let root = self.root_frame_id == frame_id;
self.compositor_proxy.send(ToCompositorMsg::LoadComplete(back, forward, root));
self.compositor_proxy.send(ToCompositorMsg::LoadComplete);
self.handle_subframe_loaded(pipeline_id);
}
@ -2101,6 +2093,7 @@ 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);
// Set paint permissions correctly for the compositor layers.
self.send_frame_tree();
@ -2123,6 +2116,64 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
}
fn notify_history_changed(&self, pipeline_id: PipelineId) {
// 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_frame_id = self.get_top_level_frame_for_pipeline(pipeline_id);
// Ignore LoadData of non-top-level frames.
let keep_load_data_if_top_frame = |state: &FrameState| {
match state.pipeline_id {
None => Some(state.load_data.clone()),
Some(pipeline_id) => {
match self.pipelines.get(&pipeline_id) {
None => Some(state.load_data.clone()),
Some(pipeline) => match pipeline.parent_info {
None => Some(state.load_data.clone()),
Some(_) => None,
}
}
}
}
};
// If LoadData was ignored, use the LoadData of the previous FrameState, which
// is the LoadData of the parent frame.
let resolve_load_data = |previous_load_data: &mut LoadData, load_data| {
let load_data = match load_data {
None => previous_load_data.clone(),
Some(load_data) => load_data,
};
*previous_load_data = load_data.clone();
Some(load_data)
};
let current_load_data = match self.frames.get(&top_level_frame_id) {
Some(frame) => frame.load_data.clone(),
None => return warn!("notify_history_changed error after top-level frame closed."),
};
let mut entries: Vec<LoadData> = self.joint_session_past(top_level_frame_id)
.map(&keep_load_data_if_top_frame)
.scan(current_load_data.clone(), &resolve_load_data)
.collect();
entries.reverse();
let current_index = entries.len();
entries.push(current_load_data.clone());
entries.extend(self.joint_session_future(top_level_frame_id)
.map(&keep_load_data_if_top_frame)
.scan(current_load_data.clone(), &resolve_load_data));
self.compositor_proxy.send(ToCompositorMsg::HistoryChanged(entries, current_index));
}
fn get_top_level_frame_for_pipeline(&self, mut pipeline_id: PipelineId) -> FrameId {
if PREFS.is_mozbrowser_enabled() {
loop {
@ -2196,6 +2247,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
if new_frame {
self.new_frame(frame_change.frame_id, frame_change.new_pipeline_id, frame_change.load_data);
self.update_activity(frame_change.new_pipeline_id);
self.notify_history_changed(frame_change.new_pipeline_id);
};
if let Some(old_pipeline_id) = navigated {
@ -2205,6 +2257,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Clear the joint session future
let top_level_frame_id = self.get_top_level_frame_for_pipeline(frame_change.new_pipeline_id);
self.clear_joint_session_future(top_level_frame_id);
self.notify_history_changed(frame_change.new_pipeline_id);
}
if location_changed {