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style: Add a temporary workaround for geckolib animations.

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With needs_borrow we will be able to remove this, though we'll have to implement
clone_ and borrow_ methods for a bunch of properties.
This commit is contained in:
Emilio Cobos Álvarez 2016-06-30 14:37:08 -07:00
parent 2faaf952c7
commit bc4e670c5a
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3 changed files with 11 additions and 0 deletions
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5
components/style/properties/properties.mako.rs
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@ -1259,6 +1259,7 @@ pub trait ComputedValues : Debug + Clone + Send + Sync + 'static {
// yet - panics for non-Servo implementations.
//
// Used only for animations. Don't use it in other places.
fn is_servo(&self) -> bool;
fn as_servo<'a>(&'a self) -> &'a ServoComputedValues;
fn as_servo_mut<'a>(&'a mut self) -> &'a mut ServoComputedValues;
@ -1310,7 +1311,11 @@ impl ComputedValues for ServoComputedValues {
type Concrete${style_struct.trait_name} = style_structs::${style_struct.servo_struct_name};
% endfor
#[inline]
fn is_servo(&self) -> bool { true }
#[inline]
fn as_servo<'a>(&'a self) -> &'a ServoComputedValues { self }
#[inline]
fn as_servo_mut<'a>(&'a mut self) -> &'a mut ServoComputedValues { self }
fn new(custom_properties: Option<Arc<::custom_properties::ComputedValuesMap>>,