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Enable resetable and String prefs.

Browse source 
This allows both boolean and string-type preferences. It
also implements a system where prefs that are read from a
configuration file can be reset back to their initial value,
which is useful in a number of cases e.g. when running tests
to ensure that each test starts with the same values for
the prefs.
This commit is contained in:
James Graham 2015-09-17 00:49:05 +01:00
parent d811f2d1ba
commit 79e548905e
10 changed files with 174 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

12
components/style/properties.mako.rs
View file

@ -477,7 +477,8 @@ pub mod longhands {
% for value in values[:-1]:
"${value}" => {
% if value in experimental_values:
if !::util::prefs::get_pref("layout.${value}.enabled").unwrap_or(false) {
if !::util::prefs::get_pref("layout.${value}.enabled")
.as_boolean().unwrap_or(false) {
return Err(())
}
% endif
@ -487,7 +488,8 @@ pub mod longhands {
% for value in values[-1:]:
"${value}" => {
% if value in experimental_values:
if !::util::prefs::get_pref("layout.${value}.enabled".unwrap_or(false) {
if !::util::prefs::get_pref("layout.${value}.enabled")
.as_boolean().unwrap_or(false) {
return Err(())
}
% endif
@ -5945,7 +5947,8 @@ impl PropertyDeclaration {
% if property.derived_from is None:
"${property.name}" => {
% if property.experimental:
if !::util::prefs::get_pref("${property.experimental}").unwrap_or(false) {
if !::util::prefs::get_pref("${property.experimental}")
.as_boolean().unwrap_or(false) {
return PropertyDeclarationParseResult::ExperimentalProperty
}
% endif
@ -5964,7 +5967,8 @@ impl PropertyDeclaration {
% for shorthand in SHORTHANDS:
"${shorthand.name}" => {
% if shorthand.experimental:
if !::util::prefs::get_pref("${shorthand.experimental}").unwrap_or(false) {
if !::util::prefs::get_pref("${shorthand.experimental}")
.as_boolean().unwrap_or(false) {
return PropertyDeclarationParseResult::ExperimentalProperty
}
% endif

2
components/style/stylesheets.rs
View file

@ -426,7 +426,7 @@ impl<'a, 'b> AtRuleParser for NestedRuleParser<'a, 'b> {
Ok(AtRuleType::WithBlock(AtRulePrelude::FontFace))
},
"viewport" => {
if ::util::prefs::get_pref("layout.viewport.enabled").unwrap_or(false) {
if ::util::prefs::get_pref("layout.viewport.enabled").as_boolean().unwrap_or(false) {
Ok(AtRuleType::WithBlock(AtRulePrelude::Viewport))
} else {
Err(())