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Stylo: Let SpecifiedUrl be able to carry ImageValue.

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This commit is contained in:
cku 2017-05-15 10:39:39 +08:00
parent eb7314b412
commit 2fe55e82d3
4 changed files with 49 additions and 4 deletions
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21
components/style/gecko/url.rs
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@ -6,6 +6,7 @@
use cssparser::CssStringWriter;
use gecko_bindings::structs::{ServoBundledURI, URLExtraData};
use gecko_bindings::structs::root::mozilla::css::ImageValue;
use gecko_bindings::sugar::refptr::RefPtr;
use parser::ParserContext;
use std::borrow::Cow;
@ -24,6 +25,10 @@ pub struct SpecifiedUrl {
/// The URL extra data.
pub extra_data: RefPtr<URLExtraData>,
/// Cache ImageValue, if any, so that we can reuse it while rematching a
/// a property with this specified url value.
pub image_value: Option<RefPtr<ImageValue>>,
}
impl SpecifiedUrl {
@ -37,6 +42,7 @@ impl SpecifiedUrl {
Ok(SpecifiedUrl {
serialization: Arc::new(url.into_owned()),
extra_data: context.url_data.clone(),
image_value: None,
})
}
@ -76,6 +82,21 @@ impl SpecifiedUrl {
mExtraData: self.extra_data.get(),
}
}
/// Build and carry an image value on request.
pub fn build_image_value(&mut self) {
use gecko_bindings::bindings::Gecko_ImageValue_Create;
debug_assert_eq!(self.image_value, None);
self.image_value = {
unsafe {
let ptr = Gecko_ImageValue_Create(self.for_ffi());
// We do not expect Gecko_ImageValue_Create returns null.
debug_assert!(!ptr.is_null());
Some(RefPtr::from_addrefed(ptr))
}
}
}
}
impl ToCss for SpecifiedUrl {