mirror of
https://github.com/classilla/tenfourfox.git
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197 lines
6.1 KiB
C++
197 lines
6.1 KiB
C++
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/* -*- 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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#include "XMLStylesheetProcessingInstruction.h"
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#include "mozilla/dom/XMLStylesheetProcessingInstructionBinding.h"
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#include "nsContentUtils.h"
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#include "nsNetUtil.h"
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namespace mozilla {
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namespace dom {
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// nsISupports implementation
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NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(XMLStylesheetProcessingInstruction)
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NS_INTERFACE_TABLE_INHERITED(XMLStylesheetProcessingInstruction, nsIDOMNode,
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nsIDOMProcessingInstruction,
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nsIStyleSheetLinkingElement)
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NS_INTERFACE_TABLE_TAIL_INHERITING(ProcessingInstruction)
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NS_IMPL_ADDREF_INHERITED(XMLStylesheetProcessingInstruction,
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ProcessingInstruction)
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NS_IMPL_RELEASE_INHERITED(XMLStylesheetProcessingInstruction,
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ProcessingInstruction)
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NS_IMPL_CYCLE_COLLECTION_CLASS(XMLStylesheetProcessingInstruction)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(XMLStylesheetProcessingInstruction,
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ProcessingInstruction)
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tmp->nsStyleLinkElement::Traverse(cb);
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(XMLStylesheetProcessingInstruction,
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ProcessingInstruction)
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tmp->nsStyleLinkElement::Unlink();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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XMLStylesheetProcessingInstruction::~XMLStylesheetProcessingInstruction()
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{
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}
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JSObject*
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XMLStylesheetProcessingInstruction::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return XMLStylesheetProcessingInstructionBinding::Wrap(aCx, this, aGivenProto);
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}
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// nsIContent
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nsresult
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XMLStylesheetProcessingInstruction::BindToTree(nsIDocument* aDocument,
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nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers)
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{
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nsresult rv = ProcessingInstruction::BindToTree(aDocument, aParent,
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aBindingParent,
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aCompileEventHandlers);
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NS_ENSURE_SUCCESS(rv, rv);
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void (XMLStylesheetProcessingInstruction::*update)() =
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&XMLStylesheetProcessingInstruction::UpdateStyleSheetInternal;
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nsContentUtils::AddScriptRunner(NS_NewRunnableMethod(this, update));
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return rv;
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}
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void
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XMLStylesheetProcessingInstruction::UnbindFromTree(bool aDeep, bool aNullParent)
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{
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nsCOMPtr<nsIDocument> oldDoc = GetCurrentDoc();
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ProcessingInstruction::UnbindFromTree(aDeep, aNullParent);
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UpdateStyleSheetInternal(oldDoc, nullptr);
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}
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// nsIDOMNode
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void
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XMLStylesheetProcessingInstruction::SetNodeValueInternal(const nsAString& aNodeValue,
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ErrorResult& aError)
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{
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nsGenericDOMDataNode::SetNodeValueInternal(aNodeValue, aError);
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if (!aError.Failed()) {
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UpdateStyleSheetInternal(nullptr, nullptr, true);
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}
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}
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// nsStyleLinkElement
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NS_IMETHODIMP
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XMLStylesheetProcessingInstruction::GetCharset(nsAString& aCharset)
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{
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return GetAttrValue(nsGkAtoms::charset, aCharset) ? NS_OK : NS_ERROR_FAILURE;
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}
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/* virtual */ void
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XMLStylesheetProcessingInstruction::OverrideBaseURI(nsIURI* aNewBaseURI)
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{
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mOverriddenBaseURI = aNewBaseURI;
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}
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already_AddRefed<nsIURI>
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XMLStylesheetProcessingInstruction::GetStyleSheetURL(bool* aIsInline)
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{
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*aIsInline = false;
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nsAutoString href;
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if (!GetAttrValue(nsGkAtoms::href, href)) {
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return nullptr;
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}
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nsIURI *baseURL;
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nsAutoCString charset;
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nsIDocument *document = OwnerDoc();
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baseURL = mOverriddenBaseURI ?
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mOverriddenBaseURI.get() :
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document->GetDocBaseURI();
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charset = document->GetDocumentCharacterSet();
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nsCOMPtr<nsIURI> aURI;
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NS_NewURI(getter_AddRefs(aURI), href, charset.get(), baseURL);
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return aURI.forget();
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}
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void
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XMLStylesheetProcessingInstruction::GetStyleSheetInfo(nsAString& aTitle,
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nsAString& aType,
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nsAString& aMedia,
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bool* aIsScoped,
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bool* aIsAlternate)
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{
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aTitle.Truncate();
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aType.Truncate();
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aMedia.Truncate();
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*aIsScoped = false;
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*aIsAlternate = false;
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// xml-stylesheet PI is special only in prolog
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if (!nsContentUtils::InProlog(this)) {
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return;
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}
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nsAutoString data;
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GetData(data);
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nsContentUtils::GetPseudoAttributeValue(data, nsGkAtoms::title, aTitle);
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nsAutoString alternate;
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nsContentUtils::GetPseudoAttributeValue(data,
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nsGkAtoms::alternate,
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alternate);
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// if alternate, does it have title?
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if (alternate.EqualsLiteral("yes")) {
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if (aTitle.IsEmpty()) { // alternates must have title
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return;
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}
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*aIsAlternate = true;
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}
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nsContentUtils::GetPseudoAttributeValue(data, nsGkAtoms::media, aMedia);
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nsAutoString type;
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nsContentUtils::GetPseudoAttributeValue(data, nsGkAtoms::type, type);
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nsAutoString mimeType, notUsed;
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nsContentUtils::SplitMimeType(type, mimeType, notUsed);
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if (!mimeType.IsEmpty() && !mimeType.LowerCaseEqualsLiteral("text/css")) {
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aType.Assign(type);
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return;
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}
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// If we get here we assume that we're loading a css file, so set the
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// type to 'text/css'
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aType.AssignLiteral("text/css");
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return;
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}
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nsGenericDOMDataNode*
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XMLStylesheetProcessingInstruction::CloneDataNode(mozilla::dom::NodeInfo *aNodeInfo,
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bool aCloneText) const
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{
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nsAutoString data;
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nsGenericDOMDataNode::GetData(data);
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RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo;
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return new XMLStylesheetProcessingInstruction(ni.forget(), data);
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}
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} // namespace dom
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} // namespace mozilla
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