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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* DOM object holding utility CSS functions */
#include "CSS.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/HighlightRegistry.h"
#include "mozilla/ServoBindings.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/DocumentInlines.h"
#include "nsStyleUtil.h"
#include "xpcpublic.h"
namespace mozilla::dom {
/* static */
bool CSS::Supports(const GlobalObject&, const nsACString& aProperty,
const nsACString& aValue) {
return Servo_CSSSupports2(&aProperty, &aValue);
}
/* static */
bool CSS::Supports(const GlobalObject&, const nsACString& aCondition) {
return Servo_CSSSupports(&aCondition, /* ua = */ false, /* chrome = */ false,
/* quirks = */ false);
}
/* static */
void CSS::Escape(const GlobalObject&, const nsAString& aIdent,
nsAString& aReturn) {
nsStyleUtil::AppendEscapedCSSIdent(aIdent, aReturn);
}
static Document* GetDocument(const GlobalObject& aGlobal) {
nsCOMPtr<nsPIDOMWindowInner> window =
do_QueryInterface(aGlobal.GetAsSupports());
MOZ_DIAGNOSTIC_ASSERT(window, "CSS is only exposed to window globals");
if (!window) {
return nullptr;
}
return window->GetExtantDoc();
}
/* static */
HighlightRegistry* CSS::GetHighlights(const GlobalObject& aGlobal,
ErrorResult& aRv) {
Document* doc = GetDocument(aGlobal);
if (!doc) {
aRv.ThrowUnknownError("No document associated to this global?");
return nullptr;
}
return &doc->HighlightRegistry();
}
/* static */
void CSS::RegisterProperty(const GlobalObject& aGlobal,
const PropertyDefinition& aDefinition,
ErrorResult& aRv) {
Document* doc = GetDocument(aGlobal);
if (!doc) {
return aRv.ThrowUnknownError("No document associated to this global?");
}
doc->EnsureStyleSet().RegisterProperty(aDefinition, aRv);
}
} // namespace mozilla::dom
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