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style: Better debugging for stylesheets and URLs.

Browse source 
Bug: 1470145
Reviewed-by: xidorn
MozReview-Commit-ID: FIcz2K1ZYX0
This commit is contained in:
Emilio Cobos Álvarez 2018-06-21 13:09:35 +02:00
parent 46e572a497
commit f564b32b75
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GPG key ID: 056B727BB9C1027C
6 changed files with 63 additions and 28 deletions
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52
components/style/stylesheets/mod.rs
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@ -61,22 +61,52 @@ pub type UrlExtraData = ::servo_url::ServoUrl;
/// Extra data that the backend may need to resolve url values.
#[cfg(feature = "gecko")]
pub type UrlExtraData =
::gecko_bindings::sugar::refptr::RefPtr<::gecko_bindings::structs::URLExtraData>;
#[derive(Clone, PartialEq)]
pub struct UrlExtraData(
pub ::gecko_bindings::sugar::refptr::RefPtr<::gecko_bindings::structs::URLExtraData>
);
#[cfg(feature = "gecko")]
impl UrlExtraData {
/// Returns a string for the url.
///
/// Unimplemented currently.
pub fn as_str(&self) -> &str {
// TODO
"(stylo: not supported)"
/// True if this URL scheme is chrome.
#[inline]
pub fn is_chrome(&self) -> bool {
self.0.mIsChrome
}
/// True if this URL scheme is chrome.
pub fn is_chrome(&self) -> bool {
self.mIsChrome
/// Create a reference to this `UrlExtraData` from a reference to pointer.
///
/// The pointer must be valid and non null.
///
/// This method doesn't touch refcount.
#[inline]
pub unsafe fn from_ptr_ref(ptr: &*mut ::gecko_bindings::structs::URLExtraData) -> &Self {
::std::mem::transmute(ptr)
}
}
#[cfg(feature = "gecko")]
impl fmt::Debug for UrlExtraData {
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
use gecko_bindings::{structs, bindings};
struct DebugURI(*mut structs::nsIURI);
impl fmt::Debug for DebugURI {
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
use nsstring::nsCString;
let mut spec = nsCString::new();
unsafe {
bindings::Gecko_nsIURI_Debug(self.0, &mut spec);
}
spec.fmt(formatter)
}
}
formatter.debug_struct("URLExtraData")
.field("is_chrome", &self.is_chrome())
.field("base", &DebugURI(self.0.mBaseURI.raw::<structs::nsIURI>()))
.field("referrer", &DebugURI(self.0.mReferrer.raw::<structs::nsIURI>()))
.finish()
}
}