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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/css/css_uri_value.h"
#include "third_party/blink/renderer/core/css/css_markup.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/svg/svg_resource.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
namespace blink {
CSSURIValue::CSSURIValue(const AtomicString& relative_url,
const AtomicString& absolute_url)
: CSSValue(kURIClass),
relative_url_(relative_url),
is_local_(relative_url.StartsWith('#')),
absolute_url_(absolute_url) {}
CSSURIValue::CSSURIValue(const AtomicString& relative_url, const KURL& url)
: CSSURIValue(relative_url, AtomicString(url.GetString())) {}
CSSURIValue::~CSSURIValue() = default;
SVGResource* CSSURIValue::EnsureResourceReference() const {
if (!resource_)
resource_ = new ExternalSVGResource(AbsoluteUrl());
return resource_;
}
void CSSURIValue::ReResolveUrl(const Document& document) const {
if (is_local_)
return;
KURL url = document.CompleteURL(relative_url_);
AtomicString url_string(url.GetString());
if (url_string == absolute_url_)
return;
absolute_url_ = url_string;
resource_ = nullptr;
}
String CSSURIValue::CustomCSSText() const {
return SerializeURI(relative_url_);
}
AtomicString CSSURIValue::FragmentIdentifier() const {
if (is_local_)
return AtomicString(relative_url_.GetString().Substring(1));
return AtomicString(AbsoluteUrl().FragmentIdentifier());
}
KURL CSSURIValue::AbsoluteUrl() const {
return KURL(absolute_url_);
}
bool CSSURIValue::IsLocal(const Document& document) const {
return is_local_ ||
EqualIgnoringFragmentIdentifier(AbsoluteUrl(), document.Url());
}
bool CSSURIValue::Equals(const CSSURIValue& other) const {
// If only one has the 'local url' flag set, the URLs can't match.
if (is_local_ != other.is_local_)
return false;
if (is_local_)
return relative_url_ == other.relative_url_;
return absolute_url_ == other.absolute_url_;
}
void CSSURIValue::TraceAfterDispatch(blink::Visitor* visitor) {
visitor->Trace(resource_);
CSSValue::TraceAfterDispatch(visitor);
}
} // namespace blink
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