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