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fixed navigation bug

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This commit is contained in:
Tim Kuehn 2013-07-11 13:15:21 -07:00
parent 4815d8fccd
commit c32358593f
1 changed files with 8 additions and 5 deletions
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13
src/components/main/constellation.rs
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@ -4,6 +4,8 @@
use compositing::{CompositorChan, SetLayoutRenderChans};
use extra::net::url;
use std::cell::Cell;
use std::comm;
use std::comm::Port;
@ -60,19 +62,20 @@ impl NavigationContext {
pub fn back(&mut self) -> uint {
self.next.push(self.current.get());
self.current = Some(self.previous.pop());
debug!("previous: %? next: %? current: %?", self.previous, self.next, self.current);
debug!("previous: %? next: %? current: %u", self.previous, self.next, self.current.get());
self.current.get()
}
pub fn forward(&mut self) -> uint {
self.previous.push(self.current.get());
self.current = Some(self.next.pop());
debug!("previous: %? next: %? current: %?", self.previous, self.next, self.current);
debug!("previous: %? next: %? current: %u", self.previous, self.next, self.current.get());
self.current.get()
}
/// Navigates to a new id, returning all id's evicted from next
pub fn navigate(&mut self, id: uint) -> ~[uint] {
debug!("navigating to %u", id);
let evicted = replace(&mut self.next, ~[]);
do self.current.mutate_default(id) |cur_id| {
self.previous.push(cur_id);
@ -143,6 +146,7 @@ impl Constellation {
match request {
// Load a new page, usually either from a mouse click or typed url
LoadUrlMsg(url) => {
debug!("received message to load %s", url::to_str(&url));
let pipeline_id = self.get_next_id();
let mut pipeline = Pipeline::create(pipeline_id,
self.chan.clone(),
@ -180,7 +184,6 @@ impl Constellation {
self.navigation_context.back()
}
};
debug!("navigating to pipeline %u", destination_id);
let mut pipeline = self.pipelines.pop(&destination_id).unwrap();
pipeline.navigation_type = Some(constellation_msg::Navigate);
pipeline.reload();
@ -234,7 +237,8 @@ impl Constellation {
for current_painter.iter().advance |id| {
self.pipelines.get(id).render_chan.send(PaintPermissionRevoked);
}
let id = self.next_painter.get();
let id = replace(&mut self.next_painter, None);
let id = id.expect("constellation: called update painter when there was no next painter");
let pipeline = self.pipelines.get(&id);
self.compositor_chan.send(SetLayoutRenderChans(pipeline.layout_chan.clone(),
pipeline.render_chan.clone(),
@ -247,7 +251,6 @@ impl Constellation {
let pipeline = self.pipelines.get(&id);
pipeline.render_chan.send(PaintPermissionGranted);
self.current_painter = Some(id);
self.next_painter = None;
// Don't navigate on Navigate type, because that is handled by forward/back
match pipeline.navigation_type.get() {
constellation_msg::Load => {