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Replace current session entry for reloads

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This commit is contained in:
Connor Brewster 2016-09-02 23:28:20 -05:00
parent 0b0495cff4
commit e9b2f1b916
10 changed files with 89 additions and 57 deletions
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79
components/constellation/constellation.rs
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@ -259,6 +259,10 @@ impl Frame {
fn remove_forward_entries(&mut self) -> Vec<FrameState> {
replace(&mut self.next, vec!())
}
fn replace_current(&mut self, pipeline_id: PipelineId) -> FrameState {
replace(&mut self.current, FrameState::new(pipeline_id, self.id))
}
}
/// Represents a pending change in the frame tree, that will be applied
@ -267,6 +271,7 @@ struct FrameChange {
old_pipeline_id: Option<PipelineId>,
new_pipeline_id: PipelineId,
document_ready: bool,
replace: bool,
}
/// An iterator over a frame tree, returning nodes in depth-first order.
@ -609,11 +614,13 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Push a new (loading) pipeline to the list of pending frame changes
fn push_pending_frame(&mut self, new_pipeline_id: PipelineId,
old_pipeline_id: Option<PipelineId>) {
old_pipeline_id: Option<PipelineId>,
replace: bool) {
self.pending_frames.push(FrameChange {
old_pipeline_id: old_pipeline_id,
new_pipeline_id: new_pipeline_id,
document_ready: false,
replace: replace,
});
}
@ -773,7 +780,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// However, if the id is not encompassed by another change, it will be.
FromCompositorMsg::LoadUrl(source_id, load_data) => {
debug!("constellation got URL load message from compositor");
self.handle_load_url_msg(source_id, load_data);
self.handle_load_url_msg(source_id, load_data, false);
}
FromCompositorMsg::IsReadyToSaveImage(pipeline_states) => {
let is_ready = self.handle_is_ready_to_save_image(pipeline_states);
@ -835,9 +842,9 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Load a new page from a mouse click
// If there is already a pending page (self.pending_frames), it will not be overridden;
// However, if the id is not encompassed by another change, it will be.
FromScriptMsg::LoadUrl(source_id, load_data) => {
FromScriptMsg::LoadUrl(source_id, load_data, replace) => {
debug!("constellation got URL load message from script");
self.handle_load_url_msg(source_id, load_data);
self.handle_load_url_msg(source_id, load_data, replace);
}
// A page loaded has completed all parsing, script, and reflow messages have been sent.
FromScriptMsg::LoadComplete(pipeline_id) => {
@ -1151,8 +1158,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let load_data = LoadData::new(failure_url, None, None);
self.new_pipeline(new_pipeline_id, parent_info, Some(pipeline_id), window_size, None, load_data, false);
self.push_pending_frame(new_pipeline_id, Some(pipeline_id));
self.push_pending_frame(new_pipeline_id, Some(pipeline_id), false);
}
}
@ -1177,7 +1183,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.new_pipeline(root_pipeline_id, None, None, Some(window_size), None,
LoadData::new(url.clone(), None, None), false);
self.handle_load_start_msg(root_pipeline_id);
self.push_pending_frame(root_pipeline_id, None);
self.push_pending_frame(root_pipeline_id, None, false);
self.compositor_proxy.send(ToCompositorMsg::ChangePageUrl(root_pipeline_id, url));
}
@ -1299,7 +1305,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
load_data,
is_private);
self.push_pending_frame(load_info.new_pipeline_id, load_info.old_pipeline_id);
self.push_pending_frame(load_info.new_pipeline_id, load_info.old_pipeline_id, load_info.replace);
}
fn handle_set_cursor_msg(&mut self, cursor: Cursor) {
@ -1376,22 +1382,24 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
}
fn handle_load_url_msg(&mut self, source_id: PipelineId, load_data: LoadData) {
self.load_url(source_id, load_data);
fn handle_load_url_msg(&mut self, source_id: PipelineId, load_data: LoadData, replace: bool) {
self.load_url(source_id, load_data, replace);
}
fn load_url(&mut self, source_id: PipelineId, load_data: LoadData) -> Option<PipelineId> {
fn load_url(&mut self, source_id: PipelineId, load_data: LoadData, replace: bool) -> Option<PipelineId> {
// If this load targets an iframe, its framing element may exist
// in a separate script thread than the framed document that initiated
// the new load. The framing element must be notified about the
// requested change so it can update its internal state.
//
// If replace is true, the current entry is replaced instead of a new entry being added.
let parent_info = self.pipelines.get(&source_id).and_then(|source| source.parent_info);
match parent_info {
Some((parent_pipeline_id, _)) => {
self.handle_load_start_msg(source_id);
// Message the constellation to find the script thread for this iframe
// and issue an iframe load through there.
let msg = ConstellationControlMsg::Navigate(parent_pipeline_id, source_id, load_data);
let msg = ConstellationControlMsg::Navigate(parent_pipeline_id, source_id, load_data, replace);
let result = match self.pipelines.get(&parent_pipeline_id) {
Some(parent_pipeline) => parent_pipeline.script_chan.send(msg),
None => {
@ -1429,7 +1437,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let window_size = self.pipelines.get(&source_id).and_then(|source| source.size);
let new_pipeline_id = PipelineId::new();
self.new_pipeline(new_pipeline_id, None, None, window_size, None, load_data, false);
self.push_pending_frame(new_pipeline_id, Some(source_id));
self.push_pending_frame(new_pipeline_id, Some(source_id), replace);
// Send message to ScriptThread that will suspend all timers
match self.pipelines.get(&source_id) {
@ -1744,14 +1752,14 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.compositor_proxy.send(ToCompositorMsg::ResizeTo(size));
},
WebDriverCommandMsg::LoadUrl(pipeline_id, load_data, reply) => {
self.load_url_for_webdriver(pipeline_id, load_data, reply);
self.load_url_for_webdriver(pipeline_id, load_data, reply, false);
},
WebDriverCommandMsg::Refresh(pipeline_id, reply) => {
let load_data = match self.pipelines.get(&pipeline_id) {
Some(pipeline) => LoadData::new(pipeline.url.clone(), None, None),
None => return warn!("Pipeline {:?} Refresh after closure.", pipeline_id),
};
self.load_url_for_webdriver(pipeline_id, load_data, reply);
self.load_url_for_webdriver(pipeline_id, load_data, reply, true);
}
WebDriverCommandMsg::ScriptCommand(pipeline_id, cmd) => {
let control_msg = ConstellationControlMsg::WebDriverScriptCommand(pipeline_id, cmd);
@ -1897,8 +1905,9 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn load_url_for_webdriver(&mut self,
pipeline_id: PipelineId,
load_data: LoadData,
reply: IpcSender<webdriver_msg::LoadStatus>) {
let new_pipeline_id = self.load_url(pipeline_id, load_data);
reply: IpcSender<webdriver_msg::LoadStatus>,
replace: bool) {
let new_pipeline_id = self.load_url(pipeline_id, load_data, replace);
if let Some(id) = new_pipeline_id {
self.webdriver.load_channel = Some((id, reply));
}
@ -1931,8 +1940,17 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
pipeline.frame = Some(frame_id);
}
if let Some(ref mut frame) = self.frames.get_mut(&frame_id) {
frame.load(frame_change.new_pipeline_id);
if frame_change.replace {
let evicted = self.frames.get_mut(&frame_id).map(|frame| {
frame.replace_current(frame_change.new_pipeline_id)
});
if let Some(evicted) = evicted {
self.close_pipeline(evicted.pipeline_id, ExitPipelineMode::Normal);
}
} else {
if let Some(ref mut frame) = self.frames.get_mut(&frame_id) {
frame.load(frame_change.new_pipeline_id);
}
}
}
None => {
@ -1956,19 +1974,20 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
}
if !frame_change.replace {
// If this is an iframe, send a mozbrowser location change event.
// This is the result of a link being clicked and a navigation completing.
self.trigger_mozbrowserlocationchange(frame_change.new_pipeline_id);
let frame_id = match self.get_top_level_frame_for_pipeline(Some(frame_change.new_pipeline_id)) {
Some(frame_id) => frame_id,
None => return warn!("Tried to remove forward history after root frame closure."),
};
self.clear_joint_session_future(frame_id);
}
// Build frame tree and send permission
self.send_frame_tree_and_grant_paint_permission();
// If this is an iframe, send a mozbrowser location change event.
// This is the result of a link being clicked and a navigation completing.
self.trigger_mozbrowserlocationchange(frame_change.new_pipeline_id);
let frame_id = match self.get_top_level_frame_for_pipeline(Some(frame_change.new_pipeline_id)) {
Some(frame_id) => frame_id,
None => return warn!("Tried to remove forward history after root frame closure."),
};
self.clear_joint_session_future(frame_id);
}
fn handle_activate_document_msg(&mut self, pipeline_id: PipelineId) {