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Update prefs API to return an Option<bool>.

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This allows for situations where there is no reasonable default
to apply for the pref value e.g. when we are just listing values
This commit is contained in:
James Graham 2015-09-04 15:21:35 +01:00
parent cc1eb3f741
commit a208379f46
7 changed files with 12 additions and 12 deletions
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4
components/compositing/constellation.rs
View file

@ -891,7 +891,7 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
containing_pipeline_id: PipelineId,
subpage_id: SubpageId,
event: MozBrowserEvent) {
assert!(prefs::get_pref("dom.mozbrowser.enabled", false));
assert!(prefs::get_pref("dom.mozbrowser.enabled").unwrap_or(false));
// Find the script channel for the given parent pipeline,
// and pass the event to that script task.
@ -1373,7 +1373,7 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowserlocationchange
fn trigger_mozbrowserlocationchange(&self, pipeline_id: PipelineId) {
if prefs::get_pref("dom.mozbrowser.enabled", false) {
if prefs::get_pref("dom.mozbrowser.enabled").unwrap_or(false) {
// Work around borrow checker
let event_info = {
let pipeline = self.pipeline(pipeline_id);

2
components/compositing/pipeline.rs
View file

@ -269,7 +269,7 @@ impl Pipeline {
pub fn trigger_mozbrowser_event(&self,
subpage_id: SubpageId,
event: MozBrowserEvent) {
assert!(prefs::get_pref("dom.mozbrowser.enabled", false));
assert!(prefs::get_pref("dom.mozbrowser.enabled").unwrap_or(false));
let event = ConstellationControlMsg::MozBrowserEvent(self.id,
subpage_id,