зеркало из https://github.com/mozilla/gecko-dev.git
2929 строки
95 KiB
C++
2929 строки
95 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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#include "nsHTMLDocument.h"
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#include "nsIContentPolicy.h"
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#include "mozilla/DebugOnly.h"
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#include "mozilla/dom/HTMLAllCollection.h"
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#include "mozilla/dom/FeaturePolicyUtils.h"
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#include "nsCOMPtr.h"
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#include "nsGlobalWindow.h"
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#include "nsString.h"
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#include "nsPrintfCString.h"
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#include "nsReadableUtils.h"
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#include "nsUnicharUtils.h"
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#include "nsGlobalWindowInner.h"
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#include "nsIDocumentLoader.h"
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#include "nsIHTMLContentSink.h"
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#include "nsIXMLContentSink.h"
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#include "nsHTMLParts.h"
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#include "nsHTMLStyleSheet.h"
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#include "nsGkAtoms.h"
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#include "nsIPresShell.h"
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#include "nsPresContext.h"
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#include "nsPIDOMWindow.h"
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#include "nsDOMString.h"
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#include "nsIStreamListener.h"
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#include "nsIURI.h"
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#include "nsIURIMutator.h"
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#include "nsIIOService.h"
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#include "nsNetUtil.h"
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#include "nsIPrivateBrowsingChannel.h"
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#include "nsIContentViewer.h"
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#include "nsDocShell.h"
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#include "nsDocShellLoadTypes.h"
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#include "nsIWebNavigation.h"
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#include "nsIBaseWindow.h"
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#include "nsIScriptContext.h"
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#include "nsIXPConnect.h"
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#include "nsContentList.h"
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#include "nsError.h"
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#include "nsIPrincipal.h"
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#include "nsJSPrincipals.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsAttrName.h"
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#include "nsNodeUtils.h"
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#include "nsNetCID.h"
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#include "nsICookieService.h"
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#include "nsIServiceManager.h"
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#include "nsIConsoleService.h"
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#include "nsIComponentManager.h"
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#include "nsParserCIID.h"
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#include "nsNameSpaceManager.h"
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#include "nsGenericHTMLElement.h"
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#include "mozilla/css/Loader.h"
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#include "nsIHttpChannel.h"
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#include "nsIFile.h"
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#include "nsFrameSelection.h"
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#include "nsContentUtils.h"
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#include "nsJSUtils.h"
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#include "DocumentInlines.h"
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#include "nsIDocumentEncoder.h" //for outputting selection
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#include "nsICachingChannel.h"
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#include "nsIContentViewer.h"
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#include "nsIScriptElement.h"
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#include "nsIScriptError.h"
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#include "nsIMutableArray.h"
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#include "nsArrayUtils.h"
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#include "nsIEffectiveTLDService.h"
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// AHMED 12-2
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#include "nsBidiUtils.h"
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#include "mozilla/dom/FallbackEncoding.h"
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#include "mozilla/Encoding.h"
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#include "mozilla/EventListenerManager.h"
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#include "mozilla/HTMLEditor.h"
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#include "mozilla/IdentifierMapEntry.h"
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#include "mozilla/LoadInfo.h"
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#include "nsIEditingSession.h"
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#include "nsNodeInfoManager.h"
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#include "nsIPlaintextEditor.h"
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#include "nsIEditorStyleSheets.h"
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#include "nsIInlineSpellChecker.h"
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#include "nsRange.h"
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#include "mozAutoDocUpdate.h"
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#include "nsCCUncollectableMarker.h"
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#include "nsHtml5Module.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/Preferences.h"
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#include "nsMimeTypes.h"
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#include "nsIRequest.h"
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#include "nsHtml5TreeOpExecutor.h"
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#include "nsHtml5Parser.h"
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#include "nsSandboxFlags.h"
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#include "nsIImageDocument.h"
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#include "mozilla/dom/HTMLBodyElement.h"
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#include "mozilla/dom/HTMLDocumentBinding.h"
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#include "mozilla/dom/Selection.h"
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#include "mozilla/dom/ShadowIncludingTreeIterator.h"
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#include "nsCharsetSource.h"
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#include "nsIStringBundle.h"
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#include "nsFocusManager.h"
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#include "nsIFrame.h"
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#include "nsIContent.h"
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#include "nsIStructuredCloneContainer.h"
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#include "nsLayoutStylesheetCache.h"
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#include "mozilla/StyleSheet.h"
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#include "mozilla/StyleSheetInlines.h"
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#include "mozilla/Unused.h"
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#include "nsCommandParams.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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#define NS_MAX_DOCUMENT_WRITE_DEPTH 20
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#include "prtime.h"
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//#define DEBUG_charset
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static NS_DEFINE_CID(kCParserCID, NS_PARSER_CID);
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// this function will return false if the command is not recognized
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// inCommandID will be converted as necessary for internal operations
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// inParam will be converted as necessary for internal operations
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// outParam will be Empty if no parameter is needed or if returning a boolean
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// outIsBoolean will determine whether to send param as a boolean or string
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// outBooleanParam will not be set unless outIsBoolean
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static bool ConvertToMidasInternalCommand(const nsAString& inCommandID,
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const nsAString& inParam,
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nsACString& outCommandID,
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nsACString& outParam, bool& isBoolean,
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bool& boolValue);
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static bool ConvertToMidasInternalCommand(const nsAString& inCommandID,
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nsACString& outCommandID);
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// ==================================================================
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// =
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// ==================================================================
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static bool IsAsciiCompatible(const Encoding* aEncoding) {
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return aEncoding->IsAsciiCompatible() || aEncoding == ISO_2022_JP_ENCODING;
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}
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nsresult NS_NewHTMLDocument(Document** aInstancePtrResult, bool aLoadedAsData) {
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RefPtr<nsHTMLDocument> doc = new nsHTMLDocument();
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nsresult rv = doc->Init();
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if (NS_FAILED(rv)) {
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*aInstancePtrResult = nullptr;
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return rv;
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}
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doc->SetLoadedAsData(aLoadedAsData);
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doc.forget(aInstancePtrResult);
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return NS_OK;
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}
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nsHTMLDocument::nsHTMLDocument()
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: Document("text/html"),
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mContentListHolder(nullptr),
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mNumForms(0),
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mWriteLevel(0),
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mLoadFlags(0),
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mTooDeepWriteRecursion(false),
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mDisableDocWrite(false),
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mWarnedWidthHeight(false),
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mContentEditableCount(0),
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mEditingState(EditingState::eOff),
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mDisableCookieAccess(false),
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mPendingMaybeEditingStateChanged(false),
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mHasBeenEditable(false) {
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mType = eHTML;
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mDefaultElementType = kNameSpaceID_XHTML;
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mCompatMode = eCompatibility_NavQuirks;
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}
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nsHTMLDocument::~nsHTMLDocument() {}
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NS_IMPL_CYCLE_COLLECTION_INHERITED(nsHTMLDocument, Document, mAll,
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mMidasCommandManager)
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NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED(nsHTMLDocument, Document,
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nsIHTMLDocument)
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JSObject* nsHTMLDocument::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return HTMLDocument_Binding::Wrap(aCx, this, aGivenProto);
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}
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nsresult nsHTMLDocument::Init() {
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nsresult rv = Document::Init();
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NS_ENSURE_SUCCESS(rv, rv);
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// Now reset the compatibility mode of the CSSLoader
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// to match our compat mode.
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CSSLoader()->SetCompatibilityMode(mCompatMode);
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return NS_OK;
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}
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void nsHTMLDocument::Reset(nsIChannel* aChannel, nsILoadGroup* aLoadGroup) {
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Document::Reset(aChannel, aLoadGroup);
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if (aChannel) {
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aChannel->GetLoadFlags(&mLoadFlags);
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}
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}
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void nsHTMLDocument::ResetToURI(nsIURI* aURI, nsILoadGroup* aLoadGroup,
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nsIPrincipal* aPrincipal) {
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mLoadFlags = nsIRequest::LOAD_NORMAL;
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Document::ResetToURI(aURI, aLoadGroup, aPrincipal);
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mImages = nullptr;
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mApplets = nullptr;
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mEmbeds = nullptr;
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mLinks = nullptr;
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mAnchors = nullptr;
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mScripts = nullptr;
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mForms = nullptr;
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// Make the content type default to "text/html", we are a HTML
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// document, after all. Once we start getting data, this may be
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// changed.
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SetContentTypeInternal(nsDependentCString("text/html"));
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}
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void nsHTMLDocument::TryHintCharset(nsIContentViewer* aCv,
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int32_t& aCharsetSource,
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NotNull<const Encoding*>& aEncoding) {
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if (aCv) {
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int32_t requestCharsetSource;
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nsresult rv = aCv->GetHintCharacterSetSource(&requestCharsetSource);
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if (NS_SUCCEEDED(rv) && kCharsetUninitialized != requestCharsetSource) {
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auto requestCharset = aCv->GetHintCharset();
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aCv->SetHintCharacterSetSource((int32_t)(kCharsetUninitialized));
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if (requestCharsetSource <= aCharsetSource) return;
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if (requestCharset && IsAsciiCompatible(requestCharset)) {
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aCharsetSource = requestCharsetSource;
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aEncoding = WrapNotNull(requestCharset);
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}
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}
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}
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}
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void nsHTMLDocument::TryUserForcedCharset(nsIContentViewer* aCv,
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nsIDocShell* aDocShell,
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int32_t& aCharsetSource,
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NotNull<const Encoding*>& aEncoding) {
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if (kCharsetFromUserForced <= aCharsetSource) return;
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// mCharacterSet not updated yet for channel, so check aEncoding, too.
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if (WillIgnoreCharsetOverride() || !IsAsciiCompatible(aEncoding)) {
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return;
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}
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const Encoding* forceCharsetFromDocShell = nullptr;
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if (aCv) {
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// XXX mailnews-only
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forceCharsetFromDocShell = aCv->GetForceCharset();
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}
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if (forceCharsetFromDocShell && IsAsciiCompatible(forceCharsetFromDocShell)) {
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aEncoding = WrapNotNull(forceCharsetFromDocShell);
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aCharsetSource = kCharsetFromUserForced;
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return;
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}
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if (aDocShell) {
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// This is the Character Encoding menu code path in Firefox
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auto encoding = nsDocShell::Cast(aDocShell)->GetForcedCharset();
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if (encoding) {
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if (!IsAsciiCompatible(encoding)) {
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return;
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}
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aEncoding = WrapNotNull(encoding);
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aCharsetSource = kCharsetFromUserForced;
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aDocShell->SetForcedCharset(NS_LITERAL_CSTRING(""));
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}
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}
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}
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void nsHTMLDocument::TryCacheCharset(nsICachingChannel* aCachingChannel,
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int32_t& aCharsetSource,
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NotNull<const Encoding*>& aEncoding) {
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nsresult rv;
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if (kCharsetFromCache <= aCharsetSource) {
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return;
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}
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nsCString cachedCharset;
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rv = aCachingChannel->GetCacheTokenCachedCharset(cachedCharset);
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if (NS_FAILED(rv) || cachedCharset.IsEmpty()) {
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return;
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}
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// The canonical names changed, so the cache may have an old name.
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const Encoding* encoding = Encoding::ForLabelNoReplacement(cachedCharset);
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if (!encoding) {
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return;
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}
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// Check IsAsciiCompatible() even in the cache case, because the value
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// might be stale and in the case of a stale charset that is not a rough
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// ASCII superset, the parser has no way to recover.
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if (!encoding->IsAsciiCompatible() && encoding != ISO_2022_JP_ENCODING) {
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return;
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}
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aEncoding = WrapNotNull(encoding);
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aCharsetSource = kCharsetFromCache;
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}
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void nsHTMLDocument::TryParentCharset(nsIDocShell* aDocShell,
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int32_t& aCharsetSource,
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NotNull<const Encoding*>& aEncoding) {
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if (!aDocShell) {
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return;
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}
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if (aCharsetSource >= kCharsetFromParentForced) {
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return;
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}
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int32_t parentSource;
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const Encoding* parentCharset;
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nsCOMPtr<nsIPrincipal> parentPrincipal;
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aDocShell->GetParentCharset(parentCharset, &parentSource,
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getter_AddRefs(parentPrincipal));
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if (!parentCharset) {
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return;
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}
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if (kCharsetFromParentForced == parentSource ||
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kCharsetFromUserForced == parentSource) {
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if (WillIgnoreCharsetOverride() ||
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!IsAsciiCompatible(aEncoding) || // if channel said UTF-16
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!IsAsciiCompatible(parentCharset)) {
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return;
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}
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aEncoding = WrapNotNull(parentCharset);
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aCharsetSource = kCharsetFromParentForced;
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return;
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}
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if (aCharsetSource >= kCharsetFromParentFrame) {
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return;
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}
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if (kCharsetFromCache <= parentSource) {
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// Make sure that's OK
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if (!NodePrincipal()->Equals(parentPrincipal) ||
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!IsAsciiCompatible(parentCharset)) {
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return;
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}
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aEncoding = WrapNotNull(parentCharset);
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aCharsetSource = kCharsetFromParentFrame;
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}
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}
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void nsHTMLDocument::TryTLD(int32_t& aCharsetSource,
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NotNull<const Encoding*>& aEncoding) {
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if (aCharsetSource >= kCharsetFromTopLevelDomain) {
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return;
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}
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if (!FallbackEncoding::sGuessFallbackFromTopLevelDomain) {
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return;
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}
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if (!mDocumentURI) {
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return;
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}
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nsAutoCString host;
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mDocumentURI->GetAsciiHost(host);
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if (host.IsEmpty()) {
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return;
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}
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// First let's see if the host is DNS-absolute and ends with a dot and
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// get rid of that one.
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if (host.Last() == '.') {
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host.SetLength(host.Length() - 1);
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if (host.IsEmpty()) {
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return;
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}
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}
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// If we still have a dot, the host is weird, so let's continue only
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// if we have something other than a dot now.
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if (host.Last() == '.') {
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return;
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}
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int32_t index = host.RFindChar('.');
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if (index == kNotFound) {
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// We have an intranet host, Gecko-internal URL or an IPv6 address.
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return;
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}
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// Since the string didn't end with a dot and we found a dot,
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// there is at least one character between the dot and the end of
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// the string, so taking the substring below is safe.
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nsAutoCString tld;
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ToLowerCase(Substring(host, index + 1, host.Length() - (index + 1)), tld);
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// Reject generic TLDs and country TLDs that need more research
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if (!FallbackEncoding::IsParticipatingTopLevelDomain(tld)) {
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return;
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}
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// Check if we have an IPv4 address
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bool seenNonDigit = false;
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for (size_t i = 0; i < tld.Length(); ++i) {
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char c = tld.CharAt(i);
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if (c < '0' || c > '9') {
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seenNonDigit = true;
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break;
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}
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}
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if (!seenNonDigit) {
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return;
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}
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aCharsetSource = kCharsetFromTopLevelDomain;
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aEncoding = FallbackEncoding::FromTopLevelDomain(tld);
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}
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void nsHTMLDocument::TryFallback(int32_t& aCharsetSource,
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NotNull<const Encoding*>& aEncoding) {
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if (kCharsetFromFallback <= aCharsetSource) return;
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aCharsetSource = kCharsetFromFallback;
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aEncoding = FallbackEncoding::FromLocale();
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}
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nsresult nsHTMLDocument::StartDocumentLoad(const char* aCommand,
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nsIChannel* aChannel,
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nsILoadGroup* aLoadGroup,
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nsISupports* aContainer,
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nsIStreamListener** aDocListener,
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bool aReset, nsIContentSink* aSink) {
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if (!aCommand) {
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MOZ_ASSERT(false, "Command is mandatory");
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return NS_ERROR_INVALID_POINTER;
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}
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if (aSink) {
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MOZ_ASSERT(false, "Got a sink override. Should not happen for HTML doc.");
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return NS_ERROR_INVALID_ARG;
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}
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if (mType != eHTML) {
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MOZ_ASSERT(mType == eXHTML);
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MOZ_ASSERT(false, "Must not set HTML doc to XHTML mode before load start.");
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return NS_ERROR_DOM_INVALID_STATE_ERR;
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}
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nsAutoCString contentType;
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aChannel->GetContentType(contentType);
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bool view =
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!strcmp(aCommand, "view") || !strcmp(aCommand, "external-resource");
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bool viewSource = !strcmp(aCommand, "view-source");
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bool asData = !strcmp(aCommand, kLoadAsData);
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if (!(view || viewSource || asData)) {
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MOZ_ASSERT(false, "Bad parser command");
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return NS_ERROR_INVALID_ARG;
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}
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bool html = contentType.EqualsLiteral(TEXT_HTML);
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bool xhtml = !html && (contentType.EqualsLiteral(APPLICATION_XHTML_XML) ||
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contentType.EqualsLiteral(APPLICATION_WAPXHTML_XML));
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bool plainText =
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!html && !xhtml && nsContentUtils::IsPlainTextType(contentType);
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if (!(html || xhtml || plainText || viewSource)) {
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MOZ_ASSERT(false, "Channel with bad content type.");
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return NS_ERROR_INVALID_ARG;
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}
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bool forceUtf8 =
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plainText && nsContentUtils::IsUtf8OnlyPlainTextType(contentType);
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bool loadAsHtml5 = true;
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if (!viewSource && xhtml) {
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// We're parsing XHTML as XML, remember that.
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mType = eXHTML;
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mCompatMode = eCompatibility_FullStandards;
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loadAsHtml5 = false;
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}
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// TODO: Proper about:blank treatment is bug 543435
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if (loadAsHtml5 && view) {
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// mDocumentURI hasn't been set, yet, so get the URI from the channel
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nsCOMPtr<nsIURI> uri;
|
|
aChannel->GetOriginalURI(getter_AddRefs(uri));
|
|
// Adapted from nsDocShell:
|
|
// GetSpec can be expensive for some URIs, so check the scheme first.
|
|
bool isAbout = false;
|
|
if (uri && NS_SUCCEEDED(uri->SchemeIs("about", &isAbout)) && isAbout) {
|
|
if (uri->GetSpecOrDefault().EqualsLiteral("about:blank")) {
|
|
loadAsHtml5 = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
CSSLoader()->SetCompatibilityMode(mCompatMode);
|
|
|
|
nsresult rv = Document::StartDocumentLoad(aCommand, aChannel, aLoadGroup,
|
|
aContainer, aDocListener, aReset);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// Store the security info for future use.
|
|
aChannel->GetSecurityInfo(getter_AddRefs(mSecurityInfo));
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
rv = aChannel->GetURI(getter_AddRefs(uri));
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
nsCOMPtr<nsICachingChannel> cachingChan = do_QueryInterface(aChannel);
|
|
|
|
if (loadAsHtml5) {
|
|
mParser = nsHtml5Module::NewHtml5Parser();
|
|
if (plainText) {
|
|
if (viewSource) {
|
|
mParser->MarkAsNotScriptCreated("view-source-plain");
|
|
} else {
|
|
mParser->MarkAsNotScriptCreated("plain-text");
|
|
}
|
|
} else if (viewSource && !html) {
|
|
mParser->MarkAsNotScriptCreated("view-source-xml");
|
|
} else {
|
|
mParser->MarkAsNotScriptCreated(aCommand);
|
|
}
|
|
} else {
|
|
mParser = do_CreateInstance(kCParserCID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
// Look for the parent document. Note that at this point we don't have our
|
|
// content viewer set up yet, and therefore do not have a useful
|
|
// mParentDocument.
|
|
|
|
// in this block of code, if we get an error result, we return it
|
|
// but if we get a null pointer, that's perfectly legal for parent
|
|
// and parentContentViewer
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(aContainer));
|
|
nsCOMPtr<nsIDocShellTreeItem> parentAsItem;
|
|
if (docShell) {
|
|
docShell->GetSameTypeParent(getter_AddRefs(parentAsItem));
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> parent(do_QueryInterface(parentAsItem));
|
|
nsCOMPtr<nsIContentViewer> parentContentViewer;
|
|
if (parent) {
|
|
rv = parent->GetContentViewer(getter_AddRefs(parentContentViewer));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
nsCOMPtr<nsIContentViewer> cv;
|
|
if (docShell) {
|
|
docShell->GetContentViewer(getter_AddRefs(cv));
|
|
}
|
|
if (!cv) {
|
|
cv = parentContentViewer.forget();
|
|
}
|
|
|
|
nsAutoCString urlSpec;
|
|
uri->GetSpec(urlSpec);
|
|
#ifdef DEBUG_charset
|
|
printf("Determining charset for %s\n", urlSpec.get());
|
|
#endif
|
|
|
|
// These are the charset source and charset for our document
|
|
int32_t charsetSource;
|
|
auto encoding = UTF_8_ENCODING;
|
|
|
|
// For error reporting and referrer policy setting
|
|
nsHtml5TreeOpExecutor* executor = nullptr;
|
|
if (loadAsHtml5) {
|
|
executor = static_cast<nsHtml5TreeOpExecutor*>(mParser->GetContentSink());
|
|
if (mReferrerPolicySet) {
|
|
// CSP may have set the referrer policy, so a speculative parser should
|
|
// start with the new referrer policy.
|
|
executor->SetSpeculationReferrerPolicy(
|
|
static_cast<ReferrerPolicy>(mReferrerPolicy));
|
|
}
|
|
}
|
|
|
|
if (forceUtf8) {
|
|
charsetSource = kCharsetFromUtf8OnlyMime;
|
|
} else if (!IsHTMLDocument() || !docShell) { // no docshell for text/html XHR
|
|
charsetSource =
|
|
IsHTMLDocument() ? kCharsetFromFallback : kCharsetFromDocTypeDefault;
|
|
TryChannelCharset(aChannel, charsetSource, encoding, executor);
|
|
} else {
|
|
NS_ASSERTION(docShell, "Unexpected null value");
|
|
|
|
charsetSource = kCharsetUninitialized;
|
|
|
|
// The following will try to get the character encoding from various
|
|
// sources. Each Try* function will return early if the source is already
|
|
// at least as large as any of the sources it might look at. Some of
|
|
// these functions (like TryHintCharset and TryParentCharset) can set
|
|
// charsetSource to various values depending on where the charset they
|
|
// end up finding originally comes from.
|
|
|
|
// Try the channel's charset (e.g., charset from HTTP
|
|
// "Content-Type" header) first. This way, we get to reject overrides in
|
|
// TryParentCharset and TryUserForcedCharset if the channel said UTF-16.
|
|
// This is to avoid socially engineered XSS by adding user-supplied
|
|
// content to a UTF-16 site such that the byte have a dangerous
|
|
// interpretation as ASCII and the user can be lured to using the
|
|
// charset menu.
|
|
TryChannelCharset(aChannel, charsetSource, encoding, executor);
|
|
|
|
TryUserForcedCharset(cv, docShell, charsetSource, encoding);
|
|
|
|
TryHintCharset(cv, charsetSource, encoding); // XXX mailnews-only
|
|
TryParentCharset(docShell, charsetSource, encoding);
|
|
|
|
if (cachingChan && !urlSpec.IsEmpty()) {
|
|
TryCacheCharset(cachingChan, charsetSource, encoding);
|
|
}
|
|
|
|
TryTLD(charsetSource, encoding);
|
|
TryFallback(charsetSource, encoding);
|
|
}
|
|
|
|
SetDocumentCharacterSetSource(charsetSource);
|
|
SetDocumentCharacterSet(encoding);
|
|
|
|
if (cachingChan) {
|
|
nsAutoCString charset;
|
|
encoding->Name(charset);
|
|
rv = cachingChan->SetCacheTokenCachedCharset(charset);
|
|
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "cannot SetMetaDataElement");
|
|
rv = NS_OK; // don't propagate error
|
|
}
|
|
|
|
// Set the parser as the stream listener for the document loader...
|
|
rv = NS_OK;
|
|
nsCOMPtr<nsIStreamListener> listener = mParser->GetStreamListener();
|
|
listener.forget(aDocListener);
|
|
|
|
#ifdef DEBUG_charset
|
|
printf(" charset = %s source %d\n", charset.get(), charsetSource);
|
|
#endif
|
|
mParser->SetDocumentCharset(encoding, charsetSource);
|
|
mParser->SetCommand(aCommand);
|
|
|
|
if (!IsHTMLDocument()) {
|
|
MOZ_ASSERT(!loadAsHtml5);
|
|
nsCOMPtr<nsIXMLContentSink> xmlsink;
|
|
NS_NewXMLContentSink(getter_AddRefs(xmlsink), this, uri, docShell,
|
|
aChannel);
|
|
mParser->SetContentSink(xmlsink);
|
|
} else {
|
|
if (loadAsHtml5) {
|
|
nsHtml5Module::Initialize(mParser, this, uri, docShell, aChannel);
|
|
} else {
|
|
// about:blank *only*
|
|
nsCOMPtr<nsIHTMLContentSink> htmlsink;
|
|
NS_NewHTMLContentSink(getter_AddRefs(htmlsink), this, uri, docShell,
|
|
aChannel);
|
|
mParser->SetContentSink(htmlsink);
|
|
}
|
|
}
|
|
|
|
if (plainText && !nsContentUtils::IsChildOfSameType(this) &&
|
|
Preferences::GetBool("plain_text.wrap_long_lines")) {
|
|
nsCOMPtr<nsIStringBundleService> bundleService =
|
|
do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv) && bundleService,
|
|
"The bundle service could not be loaded");
|
|
nsCOMPtr<nsIStringBundle> bundle;
|
|
rv = bundleService->CreateBundle(
|
|
"chrome://global/locale/browser.properties", getter_AddRefs(bundle));
|
|
NS_ASSERTION(
|
|
NS_SUCCEEDED(rv) && bundle,
|
|
"chrome://global/locale/browser.properties could not be loaded");
|
|
nsAutoString title;
|
|
if (bundle) {
|
|
bundle->GetStringFromName("plainText.wordWrap", title);
|
|
}
|
|
SetSelectedStyleSheetSet(title);
|
|
}
|
|
|
|
// parser the content of the URI
|
|
mParser->Parse(uri, nullptr, (void*)this);
|
|
|
|
return rv;
|
|
}
|
|
|
|
void nsHTMLDocument::BeginLoad() {
|
|
if (IsEditingOn()) {
|
|
// Reset() blows away all event listeners in the document, and our
|
|
// editor relies heavily on those. Midas is turned on, to make it
|
|
// work, re-initialize it to give it a chance to add its event
|
|
// listeners again.
|
|
|
|
TurnEditingOff();
|
|
EditingStateChanged();
|
|
}
|
|
Document::BeginLoad();
|
|
}
|
|
|
|
void nsHTMLDocument::EndLoad() {
|
|
bool turnOnEditing =
|
|
mParser && (HasFlag(NODE_IS_EDITABLE) || mContentEditableCount > 0);
|
|
// Note: Document::EndLoad nulls out mParser.
|
|
Document::EndLoad();
|
|
if (turnOnEditing) {
|
|
EditingStateChanged();
|
|
}
|
|
|
|
if (!GetWindow()) {
|
|
// This is a document that's not in a window. For example, this could be an
|
|
// XMLHttpRequest responseXML document, or a document created via DOMParser
|
|
// or DOMImplementation. We don't reach this code normally for such
|
|
// documents (which is not obviously correct), but can reach it via
|
|
// document.open()/document.close().
|
|
//
|
|
// Such documents don't fire load events, but per spec should set their
|
|
// readyState to "complete" when parsing and all loading of subresources is
|
|
// done. Parsing is done now, and documents not in a window don't load
|
|
// subresources, so just go ahead and mark ourselves as complete.
|
|
SetReadyStateInternal(Document::READYSTATE_COMPLETE,
|
|
/* updateTimingInformation = */ false);
|
|
|
|
// Reset mSkipLoadEventAfterClose just in case.
|
|
mSkipLoadEventAfterClose = false;
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::SetCompatibilityMode(nsCompatibility aMode) {
|
|
NS_ASSERTION(IsHTMLDocument() || aMode == eCompatibility_FullStandards,
|
|
"Bad compat mode for XHTML document!");
|
|
|
|
if (mCompatMode == aMode) {
|
|
return;
|
|
}
|
|
mCompatMode = aMode;
|
|
CSSLoader()->SetCompatibilityMode(mCompatMode);
|
|
if (nsPresContext* pc = GetPresContext()) {
|
|
pc->CompatibilityModeChanged();
|
|
}
|
|
}
|
|
|
|
Element* nsHTMLDocument::GetUnfocusedKeyEventTarget() {
|
|
if (nsGenericHTMLElement* body = GetBody()) {
|
|
return body;
|
|
}
|
|
return Document::GetUnfocusedKeyEventTarget();
|
|
}
|
|
|
|
already_AddRefed<nsIURI> nsHTMLDocument::GetDomainURI() {
|
|
nsIPrincipal* principal = NodePrincipal();
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
principal->GetDomain(getter_AddRefs(uri));
|
|
if (uri) {
|
|
return uri.forget();
|
|
}
|
|
|
|
principal->GetURI(getter_AddRefs(uri));
|
|
return uri.forget();
|
|
}
|
|
|
|
void nsHTMLDocument::GetDomain(nsAString& aDomain) {
|
|
nsCOMPtr<nsIURI> uri = GetDomainURI();
|
|
|
|
if (!uri) {
|
|
aDomain.Truncate();
|
|
return;
|
|
}
|
|
|
|
nsAutoCString hostName;
|
|
nsresult rv = nsContentUtils::GetHostOrIPv6WithBrackets(uri, hostName);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
CopyUTF8toUTF16(hostName, aDomain);
|
|
} else {
|
|
// If we can't get the host from the URI (e.g. about:, javascript:,
|
|
// etc), just return an empty string.
|
|
aDomain.Truncate();
|
|
}
|
|
}
|
|
|
|
already_AddRefed<nsIURI> nsHTMLDocument::CreateInheritingURIForHost(
|
|
const nsACString& aHostString) {
|
|
if (aHostString.IsEmpty()) {
|
|
return nullptr;
|
|
}
|
|
|
|
// Create new URI
|
|
nsCOMPtr<nsIURI> uri = GetDomainURI();
|
|
if (!uri) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsresult rv;
|
|
rv = NS_MutateURI(uri)
|
|
.SetUserPass(EmptyCString())
|
|
.SetPort(-1) // we want to reset the port number if needed.
|
|
.SetHostPort(aHostString)
|
|
.Finalize(uri);
|
|
if (NS_FAILED(rv)) {
|
|
return nullptr;
|
|
}
|
|
|
|
return uri.forget();
|
|
}
|
|
|
|
already_AddRefed<nsIURI> nsHTMLDocument::RegistrableDomainSuffixOfInternal(
|
|
const nsAString& aNewDomain, nsIURI* aOrigHost) {
|
|
if (NS_WARN_IF(!aOrigHost)) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIURI> newURI =
|
|
CreateInheritingURIForHost(NS_ConvertUTF16toUTF8(aNewDomain));
|
|
if (!newURI) {
|
|
// Error: failed to parse input domain
|
|
return nullptr;
|
|
}
|
|
|
|
// Check new domain - must be a superdomain of the current host
|
|
// For example, a page from foo.bar.com may set domain to bar.com,
|
|
// but not to ar.com, baz.com, or fi.foo.bar.com.
|
|
nsAutoCString current;
|
|
nsAutoCString domain;
|
|
if (NS_FAILED(aOrigHost->GetAsciiHost(current))) {
|
|
current.Truncate();
|
|
}
|
|
if (NS_FAILED(newURI->GetAsciiHost(domain))) {
|
|
domain.Truncate();
|
|
}
|
|
|
|
bool ok = current.Equals(domain);
|
|
if (current.Length() > domain.Length() && StringEndsWith(current, domain) &&
|
|
current.CharAt(current.Length() - domain.Length() - 1) == '.') {
|
|
// We're golden if the new domain is the current page's base domain or a
|
|
// subdomain of it.
|
|
nsCOMPtr<nsIEffectiveTLDService> tldService =
|
|
do_GetService(NS_EFFECTIVETLDSERVICE_CONTRACTID);
|
|
if (!tldService) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsAutoCString currentBaseDomain;
|
|
ok = NS_SUCCEEDED(
|
|
tldService->GetBaseDomain(aOrigHost, 0, currentBaseDomain));
|
|
NS_ASSERTION(StringEndsWith(domain, currentBaseDomain) ==
|
|
(domain.Length() >= currentBaseDomain.Length()),
|
|
"uh-oh! slight optimization wasn't valid somehow!");
|
|
ok = ok && domain.Length() >= currentBaseDomain.Length();
|
|
}
|
|
|
|
if (!ok) {
|
|
// Error: illegal domain
|
|
return nullptr;
|
|
}
|
|
|
|
return CreateInheritingURIForHost(domain);
|
|
}
|
|
|
|
bool nsHTMLDocument::IsRegistrableDomainSuffixOfOrEqualTo(
|
|
const nsAString& aHostSuffixString, const nsACString& aOrigHost) {
|
|
// https://html.spec.whatwg.org/multipage/browsers.html#is-a-registrable-domain-suffix-of-or-is-equal-to
|
|
if (aHostSuffixString.IsEmpty()) {
|
|
return false;
|
|
}
|
|
|
|
nsCOMPtr<nsIURI> origURI = CreateInheritingURIForHost(aOrigHost);
|
|
if (!origURI) {
|
|
// Error: failed to parse input domain
|
|
return false;
|
|
}
|
|
|
|
nsCOMPtr<nsIURI> newURI =
|
|
RegistrableDomainSuffixOfInternal(aHostSuffixString, origURI);
|
|
if (!newURI) {
|
|
// Error: illegal domain
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void nsHTMLDocument::SetDomain(const nsAString& aDomain, ErrorResult& rv) {
|
|
if (mSandboxFlags & SANDBOXED_DOMAIN) {
|
|
// We're sandboxed; disallow setting domain
|
|
rv.Throw(NS_ERROR_DOM_SECURITY_ERR);
|
|
return;
|
|
}
|
|
|
|
if (!FeaturePolicyUtils::IsFeatureAllowed(
|
|
this, NS_LITERAL_STRING("document-domain"))) {
|
|
rv.Throw(NS_ERROR_DOM_SECURITY_ERR);
|
|
return;
|
|
}
|
|
|
|
if (aDomain.IsEmpty()) {
|
|
rv.Throw(NS_ERROR_DOM_SECURITY_ERR);
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIURI> uri = GetDomainURI();
|
|
if (!uri) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return;
|
|
}
|
|
|
|
// Check new domain - must be a superdomain of the current host
|
|
// For example, a page from foo.bar.com may set domain to bar.com,
|
|
// but not to ar.com, baz.com, or fi.foo.bar.com.
|
|
|
|
nsCOMPtr<nsIURI> newURI = RegistrableDomainSuffixOfInternal(aDomain, uri);
|
|
if (!newURI) {
|
|
// Error: illegal domain
|
|
rv.Throw(NS_ERROR_DOM_SECURITY_ERR);
|
|
return;
|
|
}
|
|
|
|
rv = NodePrincipal()->SetDomain(newURI);
|
|
}
|
|
|
|
already_AddRefed<nsIChannel> nsHTMLDocument::CreateDummyChannelForCookies(
|
|
nsIURI* aCodebaseURI) {
|
|
// The cookie service reads the privacy status of the channel we pass to it in
|
|
// order to determine which cookie database to query. In some cases we don't
|
|
// have a proper channel to hand it to the cookie service though. This
|
|
// function creates a dummy channel that is not used to load anything, for the
|
|
// sole purpose of handing it to the cookie service. DO NOT USE THIS CHANNEL
|
|
// FOR ANY OTHER PURPOSE.
|
|
MOZ_ASSERT(!mChannel);
|
|
|
|
// The following channel is never openend, so it does not matter what
|
|
// securityFlags we pass; let's follow the principle of least privilege.
|
|
nsCOMPtr<nsIChannel> channel;
|
|
NS_NewChannel(getter_AddRefs(channel), aCodebaseURI, this,
|
|
nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_DATA_IS_BLOCKED,
|
|
nsIContentPolicy::TYPE_INVALID);
|
|
nsCOMPtr<nsIPrivateBrowsingChannel> pbChannel = do_QueryInterface(channel);
|
|
nsCOMPtr<nsIDocShell> docShell(mDocumentContainer);
|
|
nsCOMPtr<nsILoadContext> loadContext = do_QueryInterface(docShell);
|
|
if (!pbChannel || !loadContext) {
|
|
return nullptr;
|
|
}
|
|
pbChannel->SetPrivate(loadContext->UsePrivateBrowsing());
|
|
|
|
nsCOMPtr<nsIHttpChannel> docHTTPChannel = do_QueryInterface(GetChannel());
|
|
if (docHTTPChannel) {
|
|
bool isTracking = docHTTPChannel->GetIsTrackingResource();
|
|
if (isTracking) {
|
|
// If our document channel is from a tracking resource, we must
|
|
// override our channel's tracking status.
|
|
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(channel);
|
|
MOZ_ASSERT(httpChannel,
|
|
"How come we're coming from an HTTP doc but "
|
|
"we don't have an HTTP channel here?");
|
|
if (httpChannel) {
|
|
httpChannel->OverrideTrackingFlagsForDocumentCookieAccessor(
|
|
docHTTPChannel);
|
|
}
|
|
}
|
|
}
|
|
|
|
return channel.forget();
|
|
}
|
|
|
|
void nsHTMLDocument::GetCookie(nsAString& aCookie, ErrorResult& rv) {
|
|
aCookie.Truncate(); // clear current cookie in case service fails;
|
|
// no cookie isn't an error condition.
|
|
|
|
if (mDisableCookieAccess) {
|
|
return;
|
|
}
|
|
|
|
// If the document's sandboxed origin flag is set, access to read cookies
|
|
// is prohibited.
|
|
if (mSandboxFlags & SANDBOXED_ORIGIN) {
|
|
rv.Throw(NS_ERROR_DOM_SECURITY_ERR);
|
|
return;
|
|
}
|
|
|
|
if (nsContentUtils::StorageDisabledByAntiTracking(this, nullptr)) {
|
|
return;
|
|
}
|
|
|
|
// If the document is a cookie-averse Document... return the empty string.
|
|
if (IsCookieAverse()) {
|
|
return;
|
|
}
|
|
|
|
// not having a cookie service isn't an error
|
|
nsCOMPtr<nsICookieService> service =
|
|
do_GetService(NS_COOKIESERVICE_CONTRACTID);
|
|
if (service) {
|
|
// Get a URI from the document principal. We use the original
|
|
// codebase in case the codebase was changed by SetDomain
|
|
nsCOMPtr<nsIURI> codebaseURI;
|
|
NodePrincipal()->GetURI(getter_AddRefs(codebaseURI));
|
|
|
|
if (!codebaseURI) {
|
|
// Document's principal is not a codebase (may be system), so
|
|
// can't set cookies
|
|
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIChannel> channel(mChannel);
|
|
if (!channel) {
|
|
channel = CreateDummyChannelForCookies(codebaseURI);
|
|
if (!channel) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
nsCString cookie;
|
|
service->GetCookieString(codebaseURI, channel, getter_Copies(cookie));
|
|
// CopyUTF8toUTF16 doesn't handle error
|
|
// because it assumes that the input is valid.
|
|
UTF_8_ENCODING->DecodeWithoutBOMHandling(cookie, aCookie);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::SetCookie(const nsAString& aCookie, ErrorResult& rv) {
|
|
if (mDisableCookieAccess) {
|
|
return;
|
|
}
|
|
|
|
// If the document's sandboxed origin flag is set, access to write cookies
|
|
// is prohibited.
|
|
if (mSandboxFlags & SANDBOXED_ORIGIN) {
|
|
rv.Throw(NS_ERROR_DOM_SECURITY_ERR);
|
|
return;
|
|
}
|
|
|
|
if (nsContentUtils::StorageDisabledByAntiTracking(this, nullptr)) {
|
|
return;
|
|
}
|
|
|
|
// If the document is a cookie-averse Document... do nothing.
|
|
if (IsCookieAverse()) {
|
|
return;
|
|
}
|
|
|
|
// not having a cookie service isn't an error
|
|
nsCOMPtr<nsICookieService> service =
|
|
do_GetService(NS_COOKIESERVICE_CONTRACTID);
|
|
if (service && mDocumentURI) {
|
|
// The for getting the URI matches nsNavigator::GetCookieEnabled
|
|
nsCOMPtr<nsIURI> codebaseURI;
|
|
NodePrincipal()->GetURI(getter_AddRefs(codebaseURI));
|
|
|
|
if (!codebaseURI) {
|
|
// Document's principal is not a codebase (may be system), so
|
|
// can't set cookies
|
|
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIChannel> channel(mChannel);
|
|
if (!channel) {
|
|
channel = CreateDummyChannelForCookies(codebaseURI);
|
|
if (!channel) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
NS_ConvertUTF16toUTF8 cookie(aCookie);
|
|
service->SetCookieString(codebaseURI, nullptr, cookie.get(), channel);
|
|
}
|
|
}
|
|
|
|
mozilla::dom::Nullable<mozilla::dom::WindowProxyHolder> nsHTMLDocument::Open(
|
|
const nsAString& aURL, const nsAString& aName, const nsAString& aFeatures,
|
|
bool aReplace, ErrorResult& rv) {
|
|
MOZ_ASSERT(nsContentUtils::CanCallerAccess(this),
|
|
"XOW should have caught this!");
|
|
|
|
nsCOMPtr<nsPIDOMWindowInner> window = GetInnerWindow();
|
|
if (!window) {
|
|
rv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
|
|
return nullptr;
|
|
}
|
|
nsCOMPtr<nsPIDOMWindowOuter> outer =
|
|
nsPIDOMWindowOuter::GetFromCurrentInner(window);
|
|
if (!outer) {
|
|
rv.Throw(NS_ERROR_NOT_INITIALIZED);
|
|
return nullptr;
|
|
}
|
|
RefPtr<nsGlobalWindowOuter> win = nsGlobalWindowOuter::Cast(outer);
|
|
nsCOMPtr<nsPIDOMWindowOuter> newWindow;
|
|
// XXXbz We ignore aReplace for now.
|
|
rv = win->OpenJS(aURL, aName, aFeatures, getter_AddRefs(newWindow));
|
|
if (!newWindow) {
|
|
return nullptr;
|
|
}
|
|
return WindowProxyHolder(newWindow->GetBrowsingContext());
|
|
}
|
|
|
|
Document* nsHTMLDocument::Open(const Optional<nsAString>& /* unused */,
|
|
const nsAString& /* unused */,
|
|
ErrorResult& aError) {
|
|
// Implements
|
|
// <https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#document-open-steps>
|
|
|
|
MOZ_ASSERT(nsContentUtils::CanCallerAccess(this),
|
|
"XOW should have caught this!");
|
|
|
|
// Step 1 -- throw if we're an XML document.
|
|
if (!IsHTMLDocument() || mDisableDocWrite) {
|
|
aError.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
|
|
return nullptr;
|
|
}
|
|
|
|
// Step 2 -- throw if dynamic markup insertion should throw.
|
|
if (ShouldThrowOnDynamicMarkupInsertion()) {
|
|
aError.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
|
|
return nullptr;
|
|
}
|
|
|
|
// Step 3 -- get the entry document, so we can use it for security checks.
|
|
nsCOMPtr<Document> callerDoc = GetEntryDocument();
|
|
if (!callerDoc) {
|
|
// If we're called from C++ or in some other way without an originating
|
|
// document we can't do a document.open w/o changing the principal of the
|
|
// document to something like about:blank (as that's the only sane thing to
|
|
// do when we don't know the origin of this call), and since we can't
|
|
// change the principals of a document for security reasons we'll have to
|
|
// refuse to go ahead with this call.
|
|
|
|
aError.Throw(NS_ERROR_DOM_SECURITY_ERR);
|
|
return nullptr;
|
|
}
|
|
|
|
// Step 4 -- make sure we're same-origin (not just same origin-domain) with
|
|
// the entry document.
|
|
if (!callerDoc->NodePrincipal()->Equals(NodePrincipal())) {
|
|
aError.Throw(NS_ERROR_DOM_SECURITY_ERR);
|
|
return nullptr;
|
|
}
|
|
|
|
// Step 5 -- if we have an active parser, just no-op.
|
|
// If we already have a parser we ignore the document.open call.
|
|
if (mParser || mParserAborted) {
|
|
// The WHATWG spec used to say: "If the document has an active parser that
|
|
// isn't a script-created parser, and the insertion point associated with
|
|
// that parser's input stream is not undefined (that is, it does point to
|
|
// somewhere in the input stream), then the method does nothing. Abort these
|
|
// steps and return the Document object on which the method was invoked."
|
|
// Note that aborting a parser leaves the parser "active" with its insertion
|
|
// point "not undefined". We track this using mParserAborted, because
|
|
// aborting a parser nulls out mParser.
|
|
//
|
|
// Actually, the spec says something slightly different now, about having
|
|
// an "active parser whose script nesting level is greater than 0". It
|
|
// does not mention insertion points at all. Not sure whether it matters
|
|
// in practice. It seems like "script nesting level" replaced the
|
|
// insertion point concept? Anyway,
|
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=1475000 is probably
|
|
// relevant here.
|
|
return this;
|
|
}
|
|
|
|
// Step 6 -- check for open() during unload. Per spec, this is just a check
|
|
// of the ignore-opens-during-unload counter, but our unload event code
|
|
// doesn't affect that counter yet (unlike pagehide and beforeunload, which
|
|
// do), so we check for unload directly.
|
|
if (ShouldIgnoreOpens()) {
|
|
return this;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> shell(mDocumentContainer);
|
|
if (shell) {
|
|
bool inUnload;
|
|
shell->GetIsInUnload(&inUnload);
|
|
if (inUnload) {
|
|
return this;
|
|
}
|
|
}
|
|
|
|
// At this point we know this is a valid-enough document.open() call
|
|
// and not a no-op. Increment our use counter.
|
|
SetDocumentAndPageUseCounter(eUseCounter_custom_DocumentOpen);
|
|
|
|
// Step 7 -- stop existing navigation of our browsing context (and all other
|
|
// loads it's doing) if we're the active document of our browsing context.
|
|
// Note that we do not want to stop anything if there is no existing
|
|
// navigation.
|
|
if (shell && IsCurrentActiveDocument() &&
|
|
shell->GetIsAttemptingToNavigate()) {
|
|
nsCOMPtr<nsIWebNavigation> webnav(do_QueryInterface(shell));
|
|
webnav->Stop(nsIWebNavigation::STOP_NETWORK);
|
|
|
|
// The Stop call may have cancelled the onload blocker request or
|
|
// prevented it from getting added, so we need to make sure it gets added
|
|
// to the document again otherwise the document could have a non-zero
|
|
// onload block count without the onload blocker request being in the
|
|
// loadgroup.
|
|
EnsureOnloadBlocker();
|
|
}
|
|
|
|
// Step 8 -- clear event listeners out of our DOM tree
|
|
for (nsINode* node : ShadowIncludingTreeIterator(*this)) {
|
|
if (EventListenerManager* elm = node->GetExistingListenerManager()) {
|
|
elm->RemoveAllListeners();
|
|
}
|
|
}
|
|
|
|
// Step 9 -- clear event listeners from our window, if we have one.
|
|
//
|
|
// Note that we explicitly want the inner window, and only if we're its
|
|
// document. We want to do this (per spec) even when we're not the "active
|
|
// document", so we can't go through GetWindow(), because it might forward to
|
|
// the wrong inner.
|
|
if (nsPIDOMWindowInner* win = GetInnerWindow()) {
|
|
if (win->GetExtantDoc() == this) {
|
|
if (EventListenerManager* elm =
|
|
nsGlobalWindowInner::Cast(win)->GetExistingListenerManager()) {
|
|
elm->RemoveAllListeners();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Step 10 -- remove all our DOM kids without firing any mutation events.
|
|
DisconnectNodeTree();
|
|
|
|
// Step 11 -- if we're the current document in our docshell, do the
|
|
// equivalent of pushState() with the new URL we should have.
|
|
if (shell && IsCurrentActiveDocument()) {
|
|
nsCOMPtr<nsIURI> newURI = callerDoc->GetDocumentURI();
|
|
if (callerDoc != this) {
|
|
nsCOMPtr<nsIURI> noFragmentURI;
|
|
nsresult rv = NS_GetURIWithoutRef(newURI, getter_AddRefs(noFragmentURI));
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
aError.Throw(rv);
|
|
return nullptr;
|
|
}
|
|
newURI = noFragmentURI.forget();
|
|
}
|
|
|
|
// UpdateURLAndHistory might do various member-setting, so make sure we're
|
|
// holding strong refs to all the refcounted args on the stack. We can
|
|
// assume that our caller is holding on to "this" already.
|
|
nsCOMPtr<nsIURI> currentURI = GetDocumentURI();
|
|
bool equalURIs;
|
|
nsresult rv = currentURI->Equals(newURI, &equalURIs);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
aError.Throw(rv);
|
|
return nullptr;
|
|
}
|
|
nsCOMPtr<nsIStructuredCloneContainer> stateContainer(mStateObjectContainer);
|
|
rv = shell->UpdateURLAndHistory(this, newURI, stateContainer, EmptyString(),
|
|
/* aReplace = */ true, currentURI,
|
|
equalURIs);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
aError.Throw(rv);
|
|
return nullptr;
|
|
}
|
|
|
|
// And use the security info of the caller document as well, since
|
|
// it's the thing providing our data.
|
|
mSecurityInfo = callerDoc->GetSecurityInfo();
|
|
|
|
// This is not mentioned in the spec, but I think that's a spec bug. See
|
|
// <https://github.com/whatwg/html/issues/4299>. In any case, since our
|
|
// URL may be changing away from about:blank here, we really want to unset
|
|
// this flag no matter what, since only about:blank can be an initial
|
|
// document.
|
|
SetIsInitialDocument(false);
|
|
|
|
// And let our docloader know that it will need to track our load event.
|
|
nsDocShell::Cast(shell)->SetDocumentOpenedButNotLoaded();
|
|
}
|
|
|
|
// Per spec nothing happens with our URI in other cases, though note
|
|
// <https://github.com/whatwg/html/issues/4286>.
|
|
|
|
// Note that we don't need to do anything here with base URIs per spec.
|
|
// That said, this might be assuming that we implement
|
|
// https://html.spec.whatwg.org/multipage/urls-and-fetching.html#fallback-base-url
|
|
// correctly, which we don't right now for the about:blank case.
|
|
|
|
// Step 12, but note <https://github.com/whatwg/html/issues/4292>.
|
|
mSkipLoadEventAfterClose = mLoadEventFiring;
|
|
|
|
// Preliminary to steps 13-16. Set our ready state to uninitialized before
|
|
// we do anything else, so we can then proceed to later ready state levels.
|
|
SetReadyStateInternal(READYSTATE_UNINITIALIZED,
|
|
/* updateTimingInformation = */ false);
|
|
|
|
// Step 13 -- set our compat mode to standards.
|
|
SetCompatibilityMode(eCompatibility_FullStandards);
|
|
|
|
// Step 14 -- create a new parser associated with document. This also does
|
|
// step 16 implicitly.
|
|
mParserAborted = false;
|
|
mParser = nsHtml5Module::NewHtml5Parser();
|
|
nsHtml5Module::Initialize(mParser, this, GetDocumentURI(), shell, nullptr);
|
|
if (mReferrerPolicySet) {
|
|
// CSP may have set the referrer policy, so a speculative parser should
|
|
// start with the new referrer policy.
|
|
nsHtml5TreeOpExecutor* executor = nullptr;
|
|
executor = static_cast<nsHtml5TreeOpExecutor*>(mParser->GetContentSink());
|
|
if (executor && mReferrerPolicySet) {
|
|
executor->SetSpeculationReferrerPolicy(
|
|
static_cast<ReferrerPolicy>(mReferrerPolicy));
|
|
}
|
|
}
|
|
|
|
// Some internal non-spec bookkeeping.
|
|
mContentTypeForWriteCalls.AssignLiteral("text/html");
|
|
|
|
if (shell) {
|
|
// Prepare the docshell and the document viewer for the impending
|
|
// out-of-band document.write()
|
|
shell->PrepareForNewContentModel();
|
|
|
|
nsCOMPtr<nsIContentViewer> cv;
|
|
shell->GetContentViewer(getter_AddRefs(cv));
|
|
if (cv) {
|
|
cv->LoadStart(this);
|
|
}
|
|
}
|
|
|
|
// Step 15.
|
|
SetReadyStateInternal(Document::READYSTATE_LOADING,
|
|
/* updateTimingInformation = */ false);
|
|
|
|
// Step 16 happened with step 14 above.
|
|
|
|
// Step 17.
|
|
return this;
|
|
}
|
|
|
|
void nsHTMLDocument::Close(ErrorResult& rv) {
|
|
if (!IsHTMLDocument()) {
|
|
// No calling document.close() on XHTML!
|
|
|
|
rv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
|
|
return;
|
|
}
|
|
|
|
if (ShouldThrowOnDynamicMarkupInsertion()) {
|
|
rv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
|
|
return;
|
|
}
|
|
|
|
if (!mParser || !mParser->IsScriptCreated()) {
|
|
return;
|
|
}
|
|
|
|
++mWriteLevel;
|
|
rv = (static_cast<nsHtml5Parser*>(mParser.get()))
|
|
->Parse(EmptyString(), nullptr, mContentTypeForWriteCalls, true);
|
|
--mWriteLevel;
|
|
|
|
// Even if that Parse() call failed, do the rest of this method
|
|
|
|
// XXX Make sure that all the document.written content is
|
|
// reflowed. We should remove this call once we change
|
|
// nsHTMLDocument::OpenCommon() so that it completely destroys the
|
|
// earlier document's content and frame hierarchy. Right now, it
|
|
// re-uses the earlier document's root content object and
|
|
// corresponding frame objects. These re-used frame objects think
|
|
// that they have already been reflowed, so they drop initial
|
|
// reflows. For certain cases of document.written content, like a
|
|
// frameset document, the dropping of the initial reflow means
|
|
// that we end up in document.close() without appended any reflow
|
|
// commands to the reflow queue and, consequently, without adding
|
|
// the dummy layout request to the load group. Since the dummy
|
|
// layout request is not added to the load group, the onload
|
|
// handler of the frameset fires before the frames get reflowed
|
|
// and loaded. That is the long explanation for why we need this
|
|
// one line of code here!
|
|
// XXXbz as far as I can tell this may not be needed anymore; all
|
|
// the testcases in bug 57636 pass without this line... Leaving
|
|
// it be for now, though. In any case, there's no reason to do
|
|
// this if we have no presshell, since in that case none of the
|
|
// above about reusing frames applies.
|
|
//
|
|
// XXXhsivonen keeping this around for bug 577508 / 253951 still :-(
|
|
if (GetShell()) {
|
|
FlushPendingNotifications(FlushType::Layout);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::WriteCommon(const Sequence<nsString>& aText,
|
|
bool aNewlineTerminate,
|
|
mozilla::ErrorResult& rv) {
|
|
// Fast path the common case
|
|
if (aText.Length() == 1) {
|
|
WriteCommon(aText[0], aNewlineTerminate, rv);
|
|
} else {
|
|
// XXXbz it would be nice if we could pass all the strings to the parser
|
|
// without having to do all this copying and then ask it to start
|
|
// parsing....
|
|
nsString text;
|
|
for (uint32_t i = 0; i < aText.Length(); ++i) {
|
|
text.Append(aText[i]);
|
|
}
|
|
WriteCommon(text, aNewlineTerminate, rv);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::WriteCommon(const nsAString& aText, bool aNewlineTerminate,
|
|
ErrorResult& aRv) {
|
|
mTooDeepWriteRecursion =
|
|
(mWriteLevel > NS_MAX_DOCUMENT_WRITE_DEPTH || mTooDeepWriteRecursion);
|
|
if (NS_WARN_IF(mTooDeepWriteRecursion)) {
|
|
aRv.Throw(NS_ERROR_UNEXPECTED);
|
|
return;
|
|
}
|
|
|
|
if (!IsHTMLDocument() || mDisableDocWrite) {
|
|
// No calling document.write*() on XHTML!
|
|
|
|
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
|
|
return;
|
|
}
|
|
|
|
if (ShouldThrowOnDynamicMarkupInsertion()) {
|
|
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
|
|
return;
|
|
}
|
|
|
|
if (mParserAborted) {
|
|
// Hixie says aborting the parser doesn't undefine the insertion point.
|
|
// However, since we null out mParser in that case, we track the
|
|
// theoretically defined insertion point using mParserAborted.
|
|
return;
|
|
}
|
|
|
|
// Implement Step 4.1 of:
|
|
// https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#document-write-steps
|
|
if (ShouldIgnoreOpens()) {
|
|
return;
|
|
}
|
|
|
|
void* key = GenerateParserKey();
|
|
if (mParser && !mParser->IsInsertionPointDefined()) {
|
|
if (mIgnoreDestructiveWritesCounter) {
|
|
// Instead of implying a call to document.open(), ignore the call.
|
|
nsContentUtils::ReportToConsole(
|
|
nsIScriptError::warningFlag, NS_LITERAL_CSTRING("DOM Events"), this,
|
|
nsContentUtils::eDOM_PROPERTIES, "DocumentWriteIgnored", nullptr, 0,
|
|
mDocumentURI);
|
|
return;
|
|
}
|
|
// The spec doesn't tell us to ignore opens from here, but we need to
|
|
// ensure opens are ignored here.
|
|
IgnoreOpensDuringUnload ignoreOpenGuard(this);
|
|
mParser->Terminate();
|
|
MOZ_RELEASE_ASSERT(!mParser, "mParser should have been null'd out");
|
|
}
|
|
|
|
if (!mParser) {
|
|
if (mIgnoreDestructiveWritesCounter) {
|
|
// Instead of implying a call to document.open(), ignore the call.
|
|
nsContentUtils::ReportToConsole(
|
|
nsIScriptError::warningFlag, NS_LITERAL_CSTRING("DOM Events"), this,
|
|
nsContentUtils::eDOM_PROPERTIES, "DocumentWriteIgnored", nullptr, 0,
|
|
mDocumentURI);
|
|
return;
|
|
}
|
|
|
|
Open(Optional<nsAString>(), EmptyString(), aRv);
|
|
|
|
// If Open() fails, or if it didn't create a parser (as it won't
|
|
// if the user chose to not discard the current document through
|
|
// onbeforeunload), don't write anything.
|
|
if (aRv.Failed() || !mParser) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
static NS_NAMED_LITERAL_STRING(new_line, "\n");
|
|
|
|
++mWriteLevel;
|
|
|
|
// This could be done with less code, but for performance reasons it
|
|
// makes sense to have the code for two separate Parse() calls here
|
|
// since the concatenation of strings costs more than we like. And
|
|
// why pay that price when we don't need to?
|
|
if (aNewlineTerminate) {
|
|
aRv = (static_cast<nsHtml5Parser*>(mParser.get()))
|
|
->Parse(aText + new_line, key, mContentTypeForWriteCalls, false);
|
|
} else {
|
|
aRv = (static_cast<nsHtml5Parser*>(mParser.get()))
|
|
->Parse(aText, key, mContentTypeForWriteCalls, false);
|
|
}
|
|
|
|
--mWriteLevel;
|
|
|
|
mTooDeepWriteRecursion = (mWriteLevel != 0 && mTooDeepWriteRecursion);
|
|
}
|
|
|
|
void nsHTMLDocument::Write(const Sequence<nsString>& aText, ErrorResult& rv) {
|
|
WriteCommon(aText, false, rv);
|
|
}
|
|
|
|
void nsHTMLDocument::Writeln(const Sequence<nsString>& aText, ErrorResult& rv) {
|
|
WriteCommon(aText, true, rv);
|
|
}
|
|
|
|
void nsHTMLDocument::AddedForm() { ++mNumForms; }
|
|
|
|
void nsHTMLDocument::RemovedForm() { --mNumForms; }
|
|
|
|
int32_t nsHTMLDocument::GetNumFormsSynchronous() { return mNumForms; }
|
|
|
|
void nsHTMLDocument::GetAlinkColor(nsAString& aAlinkColor) {
|
|
aAlinkColor.Truncate();
|
|
|
|
HTMLBodyElement* body = GetBodyElement();
|
|
if (body) {
|
|
body->GetALink(aAlinkColor);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::SetAlinkColor(const nsAString& aAlinkColor) {
|
|
HTMLBodyElement* body = GetBodyElement();
|
|
if (body) {
|
|
body->SetALink(aAlinkColor);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::GetLinkColor(nsAString& aLinkColor) {
|
|
aLinkColor.Truncate();
|
|
|
|
HTMLBodyElement* body = GetBodyElement();
|
|
if (body) {
|
|
body->GetLink(aLinkColor);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::SetLinkColor(const nsAString& aLinkColor) {
|
|
HTMLBodyElement* body = GetBodyElement();
|
|
if (body) {
|
|
body->SetLink(aLinkColor);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::GetVlinkColor(nsAString& aVlinkColor) {
|
|
aVlinkColor.Truncate();
|
|
|
|
HTMLBodyElement* body = GetBodyElement();
|
|
if (body) {
|
|
body->GetVLink(aVlinkColor);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::SetVlinkColor(const nsAString& aVlinkColor) {
|
|
HTMLBodyElement* body = GetBodyElement();
|
|
if (body) {
|
|
body->SetVLink(aVlinkColor);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::GetBgColor(nsAString& aBgColor) {
|
|
aBgColor.Truncate();
|
|
|
|
HTMLBodyElement* body = GetBodyElement();
|
|
if (body) {
|
|
body->GetBgColor(aBgColor);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::SetBgColor(const nsAString& aBgColor) {
|
|
HTMLBodyElement* body = GetBodyElement();
|
|
if (body) {
|
|
body->SetBgColor(aBgColor);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::GetFgColor(nsAString& aFgColor) {
|
|
aFgColor.Truncate();
|
|
|
|
HTMLBodyElement* body = GetBodyElement();
|
|
if (body) {
|
|
body->GetText(aFgColor);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::SetFgColor(const nsAString& aFgColor) {
|
|
HTMLBodyElement* body = GetBodyElement();
|
|
if (body) {
|
|
body->SetText(aFgColor);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::CaptureEvents() {
|
|
WarnOnceAbout(Document::eUseOfCaptureEvents);
|
|
}
|
|
|
|
void nsHTMLDocument::ReleaseEvents() {
|
|
WarnOnceAbout(Document::eUseOfReleaseEvents);
|
|
}
|
|
|
|
bool nsHTMLDocument::ResolveName(JSContext* aCx, const nsAString& aName,
|
|
JS::MutableHandle<JS::Value> aRetval,
|
|
ErrorResult& aError) {
|
|
IdentifierMapEntry* entry = mIdentifierMap.GetEntry(aName);
|
|
if (!entry) {
|
|
return false;
|
|
}
|
|
|
|
nsBaseContentList* list = entry->GetNameContentList();
|
|
uint32_t length = list ? list->Length() : 0;
|
|
|
|
nsIContent* node;
|
|
if (length > 0) {
|
|
if (length > 1) {
|
|
// The list contains more than one element, return the whole list.
|
|
if (!ToJSValue(aCx, list, aRetval)) {
|
|
aError.NoteJSContextException(aCx);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Only one element in the list, return the element instead of returning
|
|
// the list.
|
|
node = list->Item(0);
|
|
} else {
|
|
// No named items were found, see if there's one registerd by id for aName.
|
|
Element* e = entry->GetIdElement();
|
|
|
|
if (!e || !nsGenericHTMLElement::ShouldExposeIdAsHTMLDocumentProperty(e)) {
|
|
return false;
|
|
}
|
|
|
|
node = e;
|
|
}
|
|
|
|
if (!ToJSValue(aCx, node, aRetval)) {
|
|
aError.NoteJSContextException(aCx);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void nsHTMLDocument::GetSupportedNames(nsTArray<nsString>& aNames) {
|
|
for (auto iter = mIdentifierMap.Iter(); !iter.Done(); iter.Next()) {
|
|
IdentifierMapEntry* entry = iter.Get();
|
|
if (entry->HasNameElement() ||
|
|
entry->HasIdElementExposedAsHTMLDocumentProperty()) {
|
|
aNames.AppendElement(entry->GetKeyAsString());
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------
|
|
|
|
// forms related stuff
|
|
|
|
bool nsHTMLDocument::MatchFormControls(Element* aElement, int32_t aNamespaceID,
|
|
nsAtom* aAtom, void* aData) {
|
|
return aElement->IsNodeOfType(nsIContent::eHTML_FORM_CONTROL);
|
|
}
|
|
|
|
void* nsHTMLDocument::GenerateParserKey(void) {
|
|
if (!mScriptLoader) {
|
|
// If we don't have a script loader, then the parser probably isn't parsing
|
|
// anything anyway, so just return null.
|
|
return nullptr;
|
|
}
|
|
|
|
// The script loader provides us with the currently executing script element,
|
|
// which is guaranteed to be unique per script.
|
|
nsIScriptElement* script = mScriptLoader->GetCurrentParserInsertedScript();
|
|
if (script && mParser && mParser->IsScriptCreated()) {
|
|
nsCOMPtr<nsIParser> creatorParser = script->GetCreatorParser();
|
|
if (creatorParser != mParser) {
|
|
// Make scripts that aren't inserted by the active parser of this document
|
|
// participate in the context of the script that document.open()ed
|
|
// this document.
|
|
return nullptr;
|
|
}
|
|
}
|
|
return script;
|
|
}
|
|
|
|
void nsHTMLDocument::GetDesignMode(nsAString& aDesignMode) {
|
|
if (HasFlag(NODE_IS_EDITABLE)) {
|
|
aDesignMode.AssignLiteral("on");
|
|
} else {
|
|
aDesignMode.AssignLiteral("off");
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::MaybeEditingStateChanged() {
|
|
if (!mPendingMaybeEditingStateChanged && mMayStartLayout &&
|
|
mUpdateNestLevel == 0 && (mContentEditableCount > 0) != IsEditingOn()) {
|
|
if (nsContentUtils::IsSafeToRunScript()) {
|
|
EditingStateChanged();
|
|
} else if (!mInDestructor) {
|
|
nsContentUtils::AddScriptRunner(
|
|
NewRunnableMethod("nsHTMLDocument::MaybeEditingStateChanged", this,
|
|
&nsHTMLDocument::MaybeEditingStateChanged));
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::EndUpdate() {
|
|
const bool reset = !mPendingMaybeEditingStateChanged;
|
|
mPendingMaybeEditingStateChanged = true;
|
|
Document::EndUpdate();
|
|
if (reset) {
|
|
mPendingMaybeEditingStateChanged = false;
|
|
}
|
|
MaybeEditingStateChanged();
|
|
}
|
|
|
|
void nsHTMLDocument::SetMayStartLayout(bool aMayStartLayout) {
|
|
Document::SetMayStartLayout(aMayStartLayout);
|
|
|
|
MaybeEditingStateChanged();
|
|
}
|
|
|
|
// Helper class, used below in ChangeContentEditableCount().
|
|
class DeferredContentEditableCountChangeEvent : public Runnable {
|
|
public:
|
|
DeferredContentEditableCountChangeEvent(nsHTMLDocument* aDoc,
|
|
nsIContent* aElement)
|
|
: mozilla::Runnable("DeferredContentEditableCountChangeEvent"),
|
|
mDoc(aDoc),
|
|
mElement(aElement) {}
|
|
|
|
NS_IMETHOD Run() override {
|
|
if (mElement && mElement->OwnerDoc() == mDoc) {
|
|
mDoc->DeferredContentEditableCountChange(mElement);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
RefPtr<nsHTMLDocument> mDoc;
|
|
nsCOMPtr<nsIContent> mElement;
|
|
};
|
|
|
|
nsresult nsHTMLDocument::ChangeContentEditableCount(nsIContent* aElement,
|
|
int32_t aChange) {
|
|
NS_ASSERTION(int32_t(mContentEditableCount) + aChange >= 0,
|
|
"Trying to decrement too much.");
|
|
|
|
mContentEditableCount += aChange;
|
|
|
|
nsContentUtils::AddScriptRunner(
|
|
new DeferredContentEditableCountChangeEvent(this, aElement));
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void nsHTMLDocument::DeferredContentEditableCountChange(nsIContent* aElement) {
|
|
if (mParser ||
|
|
(mUpdateNestLevel > 0 && (mContentEditableCount > 0) != IsEditingOn())) {
|
|
return;
|
|
}
|
|
|
|
EditingState oldState = mEditingState;
|
|
|
|
nsresult rv = EditingStateChanged();
|
|
NS_ENSURE_SUCCESS_VOID(rv);
|
|
|
|
if (oldState == mEditingState && mEditingState == eContentEditable) {
|
|
// We just changed the contentEditable state of a node, we need to reset
|
|
// the spellchecking state of that node.
|
|
if (aElement) {
|
|
nsPIDOMWindowOuter* window = GetWindow();
|
|
if (!window) return;
|
|
|
|
nsIDocShell* docshell = window->GetDocShell();
|
|
if (!docshell) return;
|
|
|
|
RefPtr<HTMLEditor> htmlEditor = docshell->GetHTMLEditor();
|
|
if (htmlEditor) {
|
|
RefPtr<nsRange> range = new nsRange(aElement);
|
|
IgnoredErrorResult res;
|
|
range->SelectNode(*aElement, res);
|
|
if (res.Failed()) {
|
|
// The node might be detached from the document at this point,
|
|
// which would cause this call to fail. In this case, we can
|
|
// safely ignore the contenteditable count change.
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIInlineSpellChecker> spellChecker;
|
|
rv = htmlEditor->GetInlineSpellChecker(false,
|
|
getter_AddRefs(spellChecker));
|
|
NS_ENSURE_SUCCESS_VOID(rv);
|
|
|
|
if (spellChecker) {
|
|
rv = spellChecker->SpellCheckRange(range);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
HTMLAllCollection* nsHTMLDocument::All() {
|
|
if (!mAll) {
|
|
mAll = new HTMLAllCollection(this);
|
|
}
|
|
return mAll;
|
|
}
|
|
|
|
static void NotifyEditableStateChange(nsINode* aNode, Document* aDocument) {
|
|
for (nsIContent* child = aNode->GetFirstChild(); child;
|
|
child = child->GetNextSibling()) {
|
|
if (child->IsElement()) {
|
|
child->AsElement()->UpdateState(true);
|
|
}
|
|
NotifyEditableStateChange(child, aDocument);
|
|
}
|
|
}
|
|
|
|
void nsHTMLDocument::TearingDownEditor() {
|
|
if (IsEditingOn()) {
|
|
EditingState oldState = mEditingState;
|
|
mEditingState = eTearingDown;
|
|
|
|
nsCOMPtr<nsIPresShell> presShell = GetShell();
|
|
if (!presShell) return;
|
|
|
|
nsTArray<RefPtr<StyleSheet>> agentSheets;
|
|
presShell->GetAgentStyleSheets(agentSheets);
|
|
|
|
auto cache = nsLayoutStylesheetCache::Singleton();
|
|
|
|
agentSheets.RemoveElement(cache->ContentEditableSheet());
|
|
if (oldState == eDesignMode)
|
|
agentSheets.RemoveElement(cache->DesignModeSheet());
|
|
|
|
presShell->SetAgentStyleSheets(agentSheets);
|
|
|
|
presShell->ApplicableStylesChanged();
|
|
}
|
|
}
|
|
|
|
nsresult nsHTMLDocument::TurnEditingOff() {
|
|
NS_ASSERTION(mEditingState != eOff, "Editing is already off.");
|
|
|
|
nsPIDOMWindowOuter* window = GetWindow();
|
|
if (!window) return NS_ERROR_FAILURE;
|
|
|
|
nsIDocShell* docshell = window->GetDocShell();
|
|
if (!docshell) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIEditingSession> editSession;
|
|
nsresult rv = docshell->GetEditingSession(getter_AddRefs(editSession));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// turn editing off
|
|
rv = editSession->TearDownEditorOnWindow(window);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mEditingState = eOff;
|
|
|
|
// Editor resets selection since it is being destroyed. But if focus is
|
|
// still into editable control, we have to initialize selection again.
|
|
nsFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm) {
|
|
Element* element = fm->GetFocusedElement();
|
|
nsCOMPtr<nsITextControlElement> txtCtrl = do_QueryInterface(element);
|
|
if (txtCtrl) {
|
|
RefPtr<TextEditor> textEditor = txtCtrl->GetTextEditor();
|
|
if (textEditor) {
|
|
textEditor->ReinitializeSelection(*element);
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
static bool HasPresShell(nsPIDOMWindowOuter* aWindow) {
|
|
nsIDocShell* docShell = aWindow->GetDocShell();
|
|
if (!docShell) return false;
|
|
return docShell->GetPresShell() != nullptr;
|
|
}
|
|
|
|
nsresult nsHTMLDocument::SetEditingState(EditingState aState) {
|
|
mEditingState = aState;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsHTMLDocument::EditingStateChanged() {
|
|
if (mRemovedFromDocShell) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mEditingState == eSettingUp || mEditingState == eTearingDown) {
|
|
// XXX We shouldn't recurse
|
|
return NS_OK;
|
|
}
|
|
|
|
bool designMode = HasFlag(NODE_IS_EDITABLE);
|
|
EditingState newState =
|
|
designMode ? eDesignMode
|
|
: (mContentEditableCount > 0 ? eContentEditable : eOff);
|
|
if (mEditingState == newState) {
|
|
// No changes in editing mode.
|
|
return NS_OK;
|
|
}
|
|
|
|
if (newState == eOff) {
|
|
// Editing is being turned off.
|
|
nsAutoScriptBlocker scriptBlocker;
|
|
NotifyEditableStateChange(this, this);
|
|
return TurnEditingOff();
|
|
}
|
|
|
|
// Flush out style changes on our _parent_ document, if any, so that
|
|
// our check for a presshell won't get stale information.
|
|
if (mParentDocument) {
|
|
mParentDocument->FlushPendingNotifications(FlushType::Style);
|
|
}
|
|
|
|
// get editing session, make sure this is a strong reference so the
|
|
// window can't get deleted during the rest of this call.
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = GetWindow();
|
|
if (!window) return NS_ERROR_FAILURE;
|
|
|
|
nsIDocShell* docshell = window->GetDocShell();
|
|
if (!docshell) return NS_ERROR_FAILURE;
|
|
|
|
// FlushPendingNotifications might destroy our docshell.
|
|
bool isBeingDestroyed = false;
|
|
docshell->IsBeingDestroyed(&isBeingDestroyed);
|
|
if (isBeingDestroyed) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIEditingSession> editSession;
|
|
nsresult rv = docshell->GetEditingSession(getter_AddRefs(editSession));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
RefPtr<HTMLEditor> htmlEditor = editSession->GetHTMLEditorForWindow(window);
|
|
if (htmlEditor) {
|
|
// We might already have an editor if it was set up for mail, let's see
|
|
// if this is actually the case.
|
|
uint32_t flags = 0;
|
|
htmlEditor->GetFlags(&flags);
|
|
if (flags & nsIPlaintextEditor::eEditorMailMask) {
|
|
// We already have a mail editor, then we should not attempt to create
|
|
// another one.
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
if (!HasPresShell(window)) {
|
|
// We should not make the window editable or setup its editor.
|
|
// It's probably style=display:none.
|
|
return NS_OK;
|
|
}
|
|
|
|
bool makeWindowEditable = mEditingState == eOff;
|
|
bool updateState = false;
|
|
bool spellRecheckAll = false;
|
|
bool putOffToRemoveScriptBlockerUntilModifyingEditingState = false;
|
|
htmlEditor = nullptr;
|
|
|
|
{
|
|
EditingState oldState = mEditingState;
|
|
nsAutoEditingState push(this, eSettingUp);
|
|
|
|
nsCOMPtr<nsIPresShell> presShell = GetShell();
|
|
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
|
|
|
|
// Before making this window editable, we need to modify UA style sheet
|
|
// because new style may change whether focused element will be focusable
|
|
// or not.
|
|
nsTArray<RefPtr<StyleSheet>> agentSheets;
|
|
rv = presShell->GetAgentStyleSheets(agentSheets);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
auto cache = nsLayoutStylesheetCache::Singleton();
|
|
|
|
StyleSheet* contentEditableSheet = cache->ContentEditableSheet();
|
|
|
|
if (!agentSheets.Contains(contentEditableSheet)) {
|
|
agentSheets.AppendElement(contentEditableSheet);
|
|
}
|
|
|
|
// Should we update the editable state of all the nodes in the document? We
|
|
// need to do this when the designMode value changes, as that overrides
|
|
// specific states on the elements.
|
|
if (designMode) {
|
|
// designMode is being turned on (overrides contentEditable).
|
|
StyleSheet* designModeSheet = cache->DesignModeSheet();
|
|
if (!agentSheets.Contains(designModeSheet)) {
|
|
agentSheets.AppendElement(designModeSheet);
|
|
}
|
|
|
|
updateState = true;
|
|
spellRecheckAll = oldState == eContentEditable;
|
|
} else if (oldState == eDesignMode) {
|
|
// designMode is being turned off (contentEditable is still on).
|
|
agentSheets.RemoveElement(cache->DesignModeSheet());
|
|
updateState = true;
|
|
}
|
|
|
|
rv = presShell->SetAgentStyleSheets(agentSheets);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
presShell->ApplicableStylesChanged();
|
|
|
|
// Adjust focused element with new style but blur event shouldn't be fired
|
|
// until mEditingState is modified with newState.
|
|
nsAutoScriptBlocker scriptBlocker;
|
|
if (designMode) {
|
|
nsCOMPtr<nsPIDOMWindowOuter> focusedWindow;
|
|
nsIContent* focusedContent = nsFocusManager::GetFocusedDescendant(
|
|
window, nsFocusManager::eOnlyCurrentWindow,
|
|
getter_AddRefs(focusedWindow));
|
|
if (focusedContent) {
|
|
nsIFrame* focusedFrame = focusedContent->GetPrimaryFrame();
|
|
bool clearFocus = focusedFrame ? !focusedFrame->IsFocusable()
|
|
: !focusedContent->IsFocusable();
|
|
if (clearFocus) {
|
|
nsFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm) {
|
|
fm->ClearFocus(window);
|
|
// If we need to dispatch blur event, we should put off after
|
|
// modifying mEditingState since blur event handler may change
|
|
// designMode state again.
|
|
putOffToRemoveScriptBlockerUntilModifyingEditingState = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (makeWindowEditable) {
|
|
// Editing is being turned on (through designMode or contentEditable)
|
|
// Turn on editor.
|
|
// XXX This can cause flushing which can change the editing state, so make
|
|
// sure to avoid recursing.
|
|
rv = editSession->MakeWindowEditable(window, "html", false, false, true);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
// XXX Need to call TearDownEditorOnWindow for all failures.
|
|
htmlEditor = docshell->GetHTMLEditor();
|
|
if (!htmlEditor) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// If we're entering the design mode, put the selection at the beginning of
|
|
// the document for compatibility reasons.
|
|
if (designMode && oldState == eOff) {
|
|
htmlEditor->BeginningOfDocument();
|
|
}
|
|
|
|
if (putOffToRemoveScriptBlockerUntilModifyingEditingState) {
|
|
nsContentUtils::AddScriptBlocker();
|
|
}
|
|
}
|
|
|
|
mEditingState = newState;
|
|
if (putOffToRemoveScriptBlockerUntilModifyingEditingState) {
|
|
nsContentUtils::RemoveScriptBlocker();
|
|
// If mEditingState is overwritten by another call and already disabled
|
|
// the editing, we shouldn't keep making window editable.
|
|
if (mEditingState == eOff) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
if (makeWindowEditable) {
|
|
// Set the editor to not insert br's on return when in p
|
|
// elements by default.
|
|
// XXX Do we only want to do this for designMode?
|
|
// Note that it doesn't matter what CallerType we pass, because the callee
|
|
// doesn't use it for this command. Play it safe and pass the more
|
|
// restricted one.
|
|
ErrorResult errorResult;
|
|
Unused << ExecCommand(NS_LITERAL_STRING("insertBrOnReturn"), false,
|
|
NS_LITERAL_STRING("false"),
|
|
// Principal doesn't matter here, because the
|
|
// insertBrOnReturn command doesn't use it. Still
|
|
// it's too bad we can't easily grab a nullprincipal
|
|
// from somewhere without allocating one..
|
|
*NodePrincipal(), errorResult);
|
|
|
|
if (errorResult.Failed()) {
|
|
// Editor setup failed. Editing is not on after all.
|
|
// XXX Should we reset the editable flag on nodes?
|
|
editSession->TearDownEditorOnWindow(window);
|
|
mEditingState = eOff;
|
|
|
|
return errorResult.StealNSResult();
|
|
}
|
|
}
|
|
|
|
if (updateState) {
|
|
nsAutoScriptBlocker scriptBlocker;
|
|
NotifyEditableStateChange(this, this);
|
|
}
|
|
|
|
// Resync the editor's spellcheck state.
|
|
if (spellRecheckAll) {
|
|
nsCOMPtr<nsISelectionController> selectionController =
|
|
htmlEditor->GetSelectionController();
|
|
if (NS_WARN_IF(!selectionController)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
RefPtr<Selection> spellCheckSelection = selectionController->GetSelection(
|
|
nsISelectionController::SELECTION_SPELLCHECK);
|
|
if (spellCheckSelection) {
|
|
spellCheckSelection->RemoveAllRanges(IgnoreErrors());
|
|
}
|
|
}
|
|
htmlEditor->SyncRealTimeSpell();
|
|
|
|
MaybeDispatchCheckKeyPressEventModelEvent();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void nsHTMLDocument::MaybeDispatchCheckKeyPressEventModelEvent() {
|
|
// Currently, we need to check only when we're becoming editable for
|
|
// contenteditable.
|
|
if (mEditingState != eContentEditable) {
|
|
return;
|
|
}
|
|
|
|
if (mHasBeenEditable) {
|
|
return;
|
|
}
|
|
mHasBeenEditable = true;
|
|
|
|
// Dispatch "CheckKeyPressEventModel" event. That is handled only by
|
|
// KeyPressEventModelCheckerChild. Then, it calls SetKeyPressEventModel()
|
|
// with proper keypress event for the active web app.
|
|
WidgetEvent checkEvent(true, eUnidentifiedEvent);
|
|
checkEvent.mSpecifiedEventType = nsGkAtoms::onCheckKeyPressEventModel;
|
|
checkEvent.mFlags.mCancelable = false;
|
|
checkEvent.mFlags.mBubbles = false;
|
|
checkEvent.mFlags.mOnlySystemGroupDispatch = true;
|
|
// Post the event rather than dispatching it synchronously because we need
|
|
// a call of SetKeyPressEventModel() before first key input. Therefore, we
|
|
// can avoid paying unnecessary runtime cost for most web apps.
|
|
(new AsyncEventDispatcher(this, checkEvent))->PostDOMEvent();
|
|
}
|
|
|
|
void nsHTMLDocument::SetKeyPressEventModel(uint16_t aKeyPressEventModel) {
|
|
nsIPresShell* presShell = GetShell();
|
|
if (!presShell) {
|
|
return;
|
|
}
|
|
presShell->SetKeyPressEventModel(aKeyPressEventModel);
|
|
}
|
|
|
|
void nsHTMLDocument::SetDesignMode(const nsAString& aDesignMode,
|
|
nsIPrincipal& aSubjectPrincipal,
|
|
ErrorResult& rv) {
|
|
SetDesignMode(aDesignMode, Some(&aSubjectPrincipal), rv);
|
|
}
|
|
|
|
void nsHTMLDocument::SetDesignMode(
|
|
const nsAString& aDesignMode, const Maybe<nsIPrincipal*>& aSubjectPrincipal,
|
|
ErrorResult& rv) {
|
|
if (aSubjectPrincipal.isSome() &&
|
|
!aSubjectPrincipal.value()->Subsumes(NodePrincipal())) {
|
|
rv.Throw(NS_ERROR_DOM_PROP_ACCESS_DENIED);
|
|
return;
|
|
}
|
|
bool editableMode = HasFlag(NODE_IS_EDITABLE);
|
|
if (aDesignMode.LowerCaseEqualsASCII(editableMode ? "off" : "on")) {
|
|
SetEditableFlag(!editableMode);
|
|
|
|
rv = EditingStateChanged();
|
|
}
|
|
}
|
|
|
|
nsresult nsHTMLDocument::GetMidasCommandManager(nsICommandManager** aCmdMgr) {
|
|
// initialize return value
|
|
NS_ENSURE_ARG_POINTER(aCmdMgr);
|
|
|
|
// check if we have it cached
|
|
if (mMidasCommandManager) {
|
|
NS_ADDREF(*aCmdMgr = mMidasCommandManager);
|
|
return NS_OK;
|
|
}
|
|
|
|
*aCmdMgr = nullptr;
|
|
|
|
nsPIDOMWindowOuter* window = GetWindow();
|
|
if (!window) return NS_ERROR_FAILURE;
|
|
|
|
nsIDocShell* docshell = window->GetDocShell();
|
|
if (!docshell) return NS_ERROR_FAILURE;
|
|
|
|
mMidasCommandManager = docshell->GetCommandManager();
|
|
if (!mMidasCommandManager) return NS_ERROR_FAILURE;
|
|
|
|
NS_ADDREF(*aCmdMgr = mMidasCommandManager);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
struct MidasCommand {
|
|
const char* incomingCommandString;
|
|
const char* internalCommandString;
|
|
const char* internalParamString;
|
|
bool useNewParam;
|
|
bool convertToBoolean;
|
|
};
|
|
|
|
static const struct MidasCommand gMidasCommandTable[] = {
|
|
// clang-format off
|
|
{ "bold", "cmd_bold", "", true, false },
|
|
{ "italic", "cmd_italic", "", true, false },
|
|
{ "underline", "cmd_underline", "", true, false },
|
|
{ "strikethrough", "cmd_strikethrough", "", true, false },
|
|
{ "subscript", "cmd_subscript", "", true, false },
|
|
{ "superscript", "cmd_superscript", "", true, false },
|
|
{ "cut", "cmd_cut", "", true, false },
|
|
{ "copy", "cmd_copy", "", true, false },
|
|
{ "paste", "cmd_paste", "", true, false },
|
|
{ "delete", "cmd_deleteCharBackward", "", true, false },
|
|
{ "forwarddelete", "cmd_deleteCharForward", "", true, false },
|
|
{ "selectall", "cmd_selectAll", "", true, false },
|
|
{ "undo", "cmd_undo", "", true, false },
|
|
{ "redo", "cmd_redo", "", true, false },
|
|
{ "indent", "cmd_indent", "", true, false },
|
|
{ "outdent", "cmd_outdent", "", true, false },
|
|
{ "backcolor", "cmd_highlight", "", false, false },
|
|
{ "forecolor", "cmd_fontColor", "", false, false },
|
|
{ "hilitecolor", "cmd_highlight", "", false, false },
|
|
{ "fontname", "cmd_fontFace", "", false, false },
|
|
{ "fontsize", "cmd_fontSize", "", false, false },
|
|
{ "increasefontsize", "cmd_increaseFont", "", false, false },
|
|
{ "decreasefontsize", "cmd_decreaseFont", "", false, false },
|
|
{ "inserthorizontalrule", "cmd_insertHR", "", true, false },
|
|
{ "createlink", "cmd_insertLinkNoUI", "", false, false },
|
|
{ "insertimage", "cmd_insertImageNoUI", "", false, false },
|
|
{ "inserthtml", "cmd_insertHTML", "", false, false },
|
|
{ "inserttext", "cmd_insertText", "", false, false },
|
|
{ "gethtml", "cmd_getContents", "", false, false },
|
|
{ "justifyleft", "cmd_align", "left", true, false },
|
|
{ "justifyright", "cmd_align", "right", true, false },
|
|
{ "justifycenter", "cmd_align", "center", true, false },
|
|
{ "justifyfull", "cmd_align", "justify", true, false },
|
|
{ "removeformat", "cmd_removeStyles", "", true, false },
|
|
{ "unlink", "cmd_removeLinks", "", true, false },
|
|
{ "insertorderedlist", "cmd_ol", "", true, false },
|
|
{ "insertunorderedlist", "cmd_ul", "", true, false },
|
|
{ "insertparagraph", "cmd_insertParagraph", "", true, false },
|
|
{ "insertlinebreak", "cmd_insertLineBreak", "", true, false },
|
|
{ "formatblock", "cmd_paragraphState", "", false, false },
|
|
{ "heading", "cmd_paragraphState", "", false, false },
|
|
{ "styleWithCSS", "cmd_setDocumentUseCSS", "", false, true },
|
|
{ "contentReadOnly", "cmd_setDocumentReadOnly", "", false, true },
|
|
{ "insertBrOnReturn", "cmd_insertBrOnReturn", "", false, true },
|
|
{ "defaultParagraphSeparator", "cmd_defaultParagraphSeparator", "", false, false },
|
|
{ "enableObjectResizing", "cmd_enableObjectResizing", "", false, true },
|
|
{ "enableInlineTableEditing", "cmd_enableInlineTableEditing", "", false, true },
|
|
{ "enableAbsolutePositionEditing", "cmd_enableAbsolutePositionEditing", "", false, true },
|
|
#if 0
|
|
// no editor support to remove alignments right now
|
|
{ "justifynone", "cmd_align", "", true, false },
|
|
|
|
// the following will need special review before being turned on
|
|
{ "saveas", "cmd_saveAs", "", true, false },
|
|
{ "print", "cmd_print", "", true, false },
|
|
#endif
|
|
{ nullptr, nullptr, nullptr, false, false }
|
|
// clang-format on
|
|
};
|
|
|
|
#define MidasCommandCount \
|
|
((sizeof(gMidasCommandTable) / sizeof(struct MidasCommand)) - 1)
|
|
|
|
static const char* const gBlocks[] = {
|
|
// clang-format off
|
|
"ADDRESS",
|
|
"BLOCKQUOTE",
|
|
"DD",
|
|
"DIV",
|
|
"DL",
|
|
"DT",
|
|
"H1",
|
|
"H2",
|
|
"H3",
|
|
"H4",
|
|
"H5",
|
|
"H6",
|
|
"P",
|
|
"PRE"
|
|
// clang-format on
|
|
};
|
|
|
|
static bool ConvertToMidasInternalCommandInner(
|
|
const nsAString& inCommandID, const nsAString& inParam,
|
|
nsACString& outCommandID, nsACString& outParam, bool& outIsBoolean,
|
|
bool& outBooleanValue, bool aIgnoreParams) {
|
|
NS_ConvertUTF16toUTF8 convertedCommandID(inCommandID);
|
|
|
|
// Hack to support old boolean commands that were backwards (see bug 301490).
|
|
bool invertBool = false;
|
|
if (convertedCommandID.LowerCaseEqualsLiteral("usecss")) {
|
|
convertedCommandID.AssignLiteral("styleWithCSS");
|
|
invertBool = true;
|
|
} else if (convertedCommandID.LowerCaseEqualsLiteral("readonly")) {
|
|
convertedCommandID.AssignLiteral("contentReadOnly");
|
|
invertBool = true;
|
|
}
|
|
|
|
uint32_t i;
|
|
bool found = false;
|
|
for (i = 0; i < MidasCommandCount; ++i) {
|
|
if (convertedCommandID.Equals(gMidasCommandTable[i].incomingCommandString,
|
|
nsCaseInsensitiveCStringComparator())) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
// reset results if the command is not found in our table
|
|
outCommandID.SetLength(0);
|
|
outParam.SetLength(0);
|
|
outIsBoolean = false;
|
|
return false;
|
|
}
|
|
|
|
// set outCommandID (what we use internally)
|
|
outCommandID.Assign(gMidasCommandTable[i].internalCommandString);
|
|
|
|
// set outParam & outIsBoolean based on flags from the table
|
|
outIsBoolean = gMidasCommandTable[i].convertToBoolean;
|
|
|
|
if (aIgnoreParams) {
|
|
// No further work to do
|
|
return true;
|
|
}
|
|
|
|
if (gMidasCommandTable[i].useNewParam) {
|
|
// Just have to copy it, no checking
|
|
outParam.Assign(gMidasCommandTable[i].internalParamString);
|
|
return true;
|
|
}
|
|
|
|
// handle checking of param passed in
|
|
if (outIsBoolean) {
|
|
// If this is a boolean value and it's not explicitly false (e.g. no value)
|
|
// we default to "true". For old backwards commands we invert the check (see
|
|
// bug 301490).
|
|
if (invertBool) {
|
|
outBooleanValue = inParam.LowerCaseEqualsLiteral("false");
|
|
} else {
|
|
outBooleanValue = !inParam.LowerCaseEqualsLiteral("false");
|
|
}
|
|
outParam.Truncate();
|
|
|
|
return true;
|
|
}
|
|
|
|
// String parameter -- see if we need to convert it (necessary for
|
|
// cmd_paragraphState and cmd_fontSize)
|
|
if (outCommandID.EqualsLiteral("cmd_paragraphState")) {
|
|
const char16_t* start = inParam.BeginReading();
|
|
const char16_t* end = inParam.EndReading();
|
|
if (start != end && *start == '<' && *(end - 1) == '>') {
|
|
++start;
|
|
--end;
|
|
}
|
|
|
|
NS_ConvertUTF16toUTF8 convertedParam(Substring(start, end));
|
|
uint32_t j;
|
|
for (j = 0; j < ArrayLength(gBlocks); ++j) {
|
|
if (convertedParam.Equals(gBlocks[j],
|
|
nsCaseInsensitiveCStringComparator())) {
|
|
outParam.Assign(gBlocks[j]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (j == ArrayLength(gBlocks)) {
|
|
outParam.Truncate();
|
|
}
|
|
} else if (outCommandID.EqualsLiteral("cmd_fontSize")) {
|
|
// Per editing spec as of April 23, 2012, we need to reject the value if
|
|
// it's not a valid floating-point number surrounded by optional whitespace.
|
|
// Otherwise, we parse it as a legacy font size. For now, we just parse as
|
|
// a legacy font size regardless (matching WebKit) -- bug 747879.
|
|
outParam.Truncate();
|
|
int32_t size = nsContentUtils::ParseLegacyFontSize(inParam);
|
|
if (size) {
|
|
outParam.AppendInt(size);
|
|
}
|
|
} else {
|
|
CopyUTF16toUTF8(inParam, outParam);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool ConvertToMidasInternalCommand(const nsAString& inCommandID,
|
|
const nsAString& inParam,
|
|
nsACString& outCommandID,
|
|
nsACString& outParam,
|
|
bool& outIsBoolean,
|
|
bool& outBooleanValue) {
|
|
return ConvertToMidasInternalCommandInner(inCommandID, inParam, outCommandID,
|
|
outParam, outIsBoolean,
|
|
outBooleanValue, false);
|
|
}
|
|
|
|
static bool ConvertToMidasInternalCommand(const nsAString& inCommandID,
|
|
nsACString& outCommandID) {
|
|
nsAutoCString dummyCString;
|
|
nsAutoString dummyString;
|
|
bool dummyBool;
|
|
return ConvertToMidasInternalCommandInner(inCommandID, dummyString,
|
|
outCommandID, dummyCString,
|
|
dummyBool, dummyBool, true);
|
|
}
|
|
|
|
bool nsHTMLDocument::ExecCommand(const nsAString& commandID, bool doShowUI,
|
|
const nsAString& value,
|
|
nsIPrincipal& aSubjectPrincipal,
|
|
ErrorResult& rv) {
|
|
// for optional parameters see dom/src/base/nsHistory.cpp: HistoryImpl::Go()
|
|
// this might add some ugly JS dependencies?
|
|
|
|
nsAutoCString cmdToDispatch, paramStr;
|
|
bool isBool, boolVal;
|
|
if (!ConvertToMidasInternalCommand(commandID, value, cmdToDispatch, paramStr,
|
|
isBool, boolVal)) {
|
|
return false;
|
|
}
|
|
|
|
bool isCutCopy = (commandID.LowerCaseEqualsLiteral("cut") ||
|
|
commandID.LowerCaseEqualsLiteral("copy"));
|
|
bool isPaste = commandID.LowerCaseEqualsLiteral("paste");
|
|
|
|
// if editing is not on, bail
|
|
if (!isCutCopy && !isPaste && !IsEditingOnAfterFlush()) {
|
|
return false;
|
|
}
|
|
|
|
// if they are requesting UI from us, let's fail since we have no UI
|
|
if (doShowUI) {
|
|
return false;
|
|
}
|
|
|
|
// special case for cut & copy
|
|
// cut & copy are allowed in non editable documents
|
|
if (isCutCopy) {
|
|
if (!nsContentUtils::IsCutCopyAllowed(&aSubjectPrincipal)) {
|
|
// We have rejected the event due to it not being performed in an
|
|
// input-driven context therefore, we report the error to the console.
|
|
nsContentUtils::ReportToConsole(nsIScriptError::warningFlag,
|
|
NS_LITERAL_CSTRING("DOM"), this,
|
|
nsContentUtils::eDOM_PROPERTIES,
|
|
"ExecCommandCutCopyDeniedNotInputDriven");
|
|
return false;
|
|
}
|
|
|
|
// For cut & copy commands, we need the behaviour from
|
|
// nsWindowRoot::GetControllers which is to look at the focused element, and
|
|
// defer to a focused textbox's controller The code past taken by other
|
|
// commands in ExecCommand always uses the window directly, rather than
|
|
// deferring to the textbox, which is desireable for most editor commands,
|
|
// but not 'cut' and 'copy' (as those should allow copying out of embedded
|
|
// editors). This behaviour is invoked if we call DoCommand directly on the
|
|
// docShell.
|
|
nsCOMPtr<nsIDocShell> docShell(mDocumentContainer);
|
|
if (docShell) {
|
|
nsresult res = docShell->DoCommand(cmdToDispatch.get());
|
|
if (res == NS_SUCCESS_DOM_NO_OPERATION) {
|
|
return false;
|
|
}
|
|
return NS_SUCCEEDED(res);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (commandID.LowerCaseEqualsLiteral("gethtml")) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return false;
|
|
}
|
|
|
|
if (isPaste && !nsContentUtils::PrincipalHasPermission(
|
|
&aSubjectPrincipal, nsGkAtoms::clipboardRead)) {
|
|
return false;
|
|
}
|
|
|
|
// get command manager and dispatch command to our window if it's acceptable
|
|
nsCOMPtr<nsICommandManager> cmdMgr;
|
|
GetMidasCommandManager(getter_AddRefs(cmdMgr));
|
|
if (!cmdMgr) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return false;
|
|
}
|
|
|
|
nsPIDOMWindowOuter* window = GetWindow();
|
|
if (!window) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return false;
|
|
}
|
|
|
|
if ((cmdToDispatch.EqualsLiteral("cmd_fontSize") ||
|
|
cmdToDispatch.EqualsLiteral("cmd_insertImageNoUI") ||
|
|
cmdToDispatch.EqualsLiteral("cmd_insertLinkNoUI") ||
|
|
cmdToDispatch.EqualsLiteral("cmd_paragraphState")) &&
|
|
paramStr.IsEmpty()) {
|
|
// Invalid value, return false
|
|
return false;
|
|
}
|
|
|
|
if (cmdToDispatch.EqualsLiteral("cmd_defaultParagraphSeparator") &&
|
|
!paramStr.LowerCaseEqualsLiteral("div") &&
|
|
!paramStr.LowerCaseEqualsLiteral("p") &&
|
|
!paramStr.LowerCaseEqualsLiteral("br")) {
|
|
// Invalid value
|
|
return false;
|
|
}
|
|
|
|
// Return false for disabled commands (bug 760052)
|
|
bool enabled = false;
|
|
cmdMgr->IsCommandEnabled(cmdToDispatch.get(), window, &enabled);
|
|
if (!enabled) {
|
|
return false;
|
|
}
|
|
|
|
if (!isBool && paramStr.IsEmpty()) {
|
|
rv = cmdMgr->DoCommand(cmdToDispatch.get(), nullptr, window);
|
|
} else {
|
|
// we have a command that requires a parameter, create params
|
|
RefPtr<nsCommandParams> params = new nsCommandParams();
|
|
if (isBool) {
|
|
rv = params->SetBool("state_attribute", boolVal);
|
|
} else if (cmdToDispatch.EqualsLiteral("cmd_fontFace") ||
|
|
cmdToDispatch.EqualsLiteral("cmd_insertImageNoUI") ||
|
|
cmdToDispatch.EqualsLiteral("cmd_insertLinkNoUI")) {
|
|
rv = params->SetString("state_attribute", value);
|
|
} else if (cmdToDispatch.EqualsLiteral("cmd_insertHTML") ||
|
|
cmdToDispatch.EqualsLiteral("cmd_insertText")) {
|
|
rv = params->SetString("state_data", value);
|
|
} else {
|
|
rv = params->SetCString("state_attribute", paramStr);
|
|
}
|
|
if (rv.Failed()) {
|
|
return false;
|
|
}
|
|
rv = cmdMgr->DoCommand(cmdToDispatch.get(), params, window);
|
|
}
|
|
|
|
return !rv.Failed();
|
|
}
|
|
|
|
bool nsHTMLDocument::QueryCommandEnabled(const nsAString& commandID,
|
|
nsIPrincipal& aSubjectPrincipal,
|
|
ErrorResult& rv) {
|
|
nsAutoCString cmdToDispatch;
|
|
if (!ConvertToMidasInternalCommand(commandID, cmdToDispatch)) {
|
|
return false;
|
|
}
|
|
|
|
// cut & copy are always allowed
|
|
bool isCutCopy = commandID.LowerCaseEqualsLiteral("cut") ||
|
|
commandID.LowerCaseEqualsLiteral("copy");
|
|
if (isCutCopy) {
|
|
return nsContentUtils::IsCutCopyAllowed(&aSubjectPrincipal);
|
|
}
|
|
|
|
// Report false for restricted commands
|
|
bool restricted = commandID.LowerCaseEqualsLiteral("paste");
|
|
if (restricted && !nsContentUtils::IsSystemPrincipal(&aSubjectPrincipal)) {
|
|
return false;
|
|
}
|
|
|
|
// if editing is not on, bail
|
|
if (!IsEditingOnAfterFlush()) {
|
|
return false;
|
|
}
|
|
|
|
// get command manager and dispatch command to our window if it's acceptable
|
|
nsCOMPtr<nsICommandManager> cmdMgr;
|
|
GetMidasCommandManager(getter_AddRefs(cmdMgr));
|
|
if (!cmdMgr) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return false;
|
|
}
|
|
|
|
nsPIDOMWindowOuter* window = GetWindow();
|
|
if (!window) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return false;
|
|
}
|
|
|
|
bool retval;
|
|
rv = cmdMgr->IsCommandEnabled(cmdToDispatch.get(), window, &retval);
|
|
return retval;
|
|
}
|
|
|
|
bool nsHTMLDocument::QueryCommandIndeterm(const nsAString& commandID,
|
|
ErrorResult& rv) {
|
|
nsAutoCString cmdToDispatch;
|
|
if (!ConvertToMidasInternalCommand(commandID, cmdToDispatch)) {
|
|
return false;
|
|
}
|
|
|
|
// if editing is not on, bail
|
|
if (!IsEditingOnAfterFlush()) {
|
|
return false;
|
|
}
|
|
|
|
// get command manager and dispatch command to our window if it's acceptable
|
|
nsCOMPtr<nsICommandManager> cmdMgr;
|
|
GetMidasCommandManager(getter_AddRefs(cmdMgr));
|
|
if (!cmdMgr) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return false;
|
|
}
|
|
|
|
nsPIDOMWindowOuter* window = GetWindow();
|
|
if (!window) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return false;
|
|
}
|
|
|
|
RefPtr<nsCommandParams> params = new nsCommandParams();
|
|
rv = cmdMgr->GetCommandState(cmdToDispatch.get(), window, params);
|
|
if (rv.Failed()) {
|
|
return false;
|
|
}
|
|
|
|
// If command does not have a state_mixed value, this call fails and sets
|
|
// retval to false. This is fine -- we want to return false in that case
|
|
// anyway (bug 738385), so we just don't throw regardless.
|
|
return params->GetBool("state_mixed");
|
|
}
|
|
|
|
bool nsHTMLDocument::QueryCommandState(const nsAString& commandID,
|
|
ErrorResult& rv) {
|
|
nsAutoCString cmdToDispatch, paramToCheck;
|
|
bool dummy, dummy2;
|
|
if (!ConvertToMidasInternalCommand(commandID, commandID, cmdToDispatch,
|
|
paramToCheck, dummy, dummy2)) {
|
|
return false;
|
|
}
|
|
|
|
// if editing is not on, bail
|
|
if (!IsEditingOnAfterFlush()) {
|
|
return false;
|
|
}
|
|
|
|
// get command manager and dispatch command to our window if it's acceptable
|
|
nsCOMPtr<nsICommandManager> cmdMgr;
|
|
GetMidasCommandManager(getter_AddRefs(cmdMgr));
|
|
if (!cmdMgr) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return false;
|
|
}
|
|
|
|
nsPIDOMWindowOuter* window = GetWindow();
|
|
if (!window) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return false;
|
|
}
|
|
|
|
if (commandID.LowerCaseEqualsLiteral("usecss")) {
|
|
// Per spec, state is supported for styleWithCSS but not useCSS, so we just
|
|
// return false always.
|
|
return false;
|
|
}
|
|
|
|
RefPtr<nsCommandParams> params = new nsCommandParams();
|
|
rv = cmdMgr->GetCommandState(cmdToDispatch.get(), window, params);
|
|
if (rv.Failed()) {
|
|
return false;
|
|
}
|
|
|
|
// handle alignment as a special case (possibly other commands too?)
|
|
// Alignment is special because the external api is individual
|
|
// commands but internally we use cmd_align with different
|
|
// parameters. When getting the state of this command, we need to
|
|
// return the boolean for this particular alignment rather than the
|
|
// string of 'which alignment is this?'
|
|
if (cmdToDispatch.EqualsLiteral("cmd_align")) {
|
|
nsAutoCString actualAlignmentType;
|
|
rv = params->GetCString("state_attribute", actualAlignmentType);
|
|
return !rv.Failed() && !actualAlignmentType.IsEmpty() &&
|
|
paramToCheck == actualAlignmentType;
|
|
}
|
|
|
|
// If command does not have a state_all value, this call fails and sets
|
|
// retval to false. This is fine -- we want to return false in that case
|
|
// anyway (bug 738385), so we just succeed and return false regardless.
|
|
return params->GetBool("state_all");
|
|
}
|
|
|
|
bool nsHTMLDocument::QueryCommandSupported(const nsAString& commandID,
|
|
CallerType aCallerType) {
|
|
// Gecko technically supports all the clipboard commands including
|
|
// cut/copy/paste, but non-privileged content will be unable to call
|
|
// paste, and depending on the pref "dom.allow_cut_copy", cut and copy
|
|
// may also be disallowed to be called from non-privileged content.
|
|
// For that reason, we report the support status of corresponding
|
|
// command accordingly.
|
|
if (aCallerType != CallerType::System) {
|
|
if (commandID.LowerCaseEqualsLiteral("paste")) {
|
|
return false;
|
|
}
|
|
if (nsContentUtils::IsCutCopyRestricted()) {
|
|
// XXXbz should we worry about correctly reporting "true" in the
|
|
// "restricted, but we're an addon with clipboardWrite permissions" case?
|
|
// See also nsContentUtils::IsCutCopyAllowed.
|
|
if (commandID.LowerCaseEqualsLiteral("cut") ||
|
|
commandID.LowerCaseEqualsLiteral("copy")) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// commandID is supported if it can be converted to a Midas command
|
|
nsAutoCString cmdToDispatch;
|
|
return ConvertToMidasInternalCommand(commandID, cmdToDispatch);
|
|
}
|
|
|
|
void nsHTMLDocument::QueryCommandValue(const nsAString& commandID,
|
|
nsAString& aValue, ErrorResult& rv) {
|
|
aValue.Truncate();
|
|
|
|
nsAutoCString cmdToDispatch, paramStr;
|
|
if (!ConvertToMidasInternalCommand(commandID, cmdToDispatch)) {
|
|
// Return empty string
|
|
return;
|
|
}
|
|
|
|
// if editing is not on, bail
|
|
if (!IsEditingOnAfterFlush()) {
|
|
return;
|
|
}
|
|
|
|
// get command manager and dispatch command to our window if it's acceptable
|
|
nsCOMPtr<nsICommandManager> cmdMgr;
|
|
GetMidasCommandManager(getter_AddRefs(cmdMgr));
|
|
if (!cmdMgr) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return;
|
|
}
|
|
|
|
nsPIDOMWindowOuter* window = GetWindow();
|
|
if (!window) {
|
|
rv.Throw(NS_ERROR_FAILURE);
|
|
return;
|
|
}
|
|
|
|
// this is a special command since we are calling DoCommand rather than
|
|
// GetCommandState like the other commands
|
|
RefPtr<nsCommandParams> params = new nsCommandParams();
|
|
if (cmdToDispatch.EqualsLiteral("cmd_getContents")) {
|
|
rv = params->SetBool("selection_only", true);
|
|
if (rv.Failed()) {
|
|
return;
|
|
}
|
|
rv = params->SetCString("format", NS_LITERAL_CSTRING("text/html"));
|
|
if (rv.Failed()) {
|
|
return;
|
|
}
|
|
rv = cmdMgr->DoCommand(cmdToDispatch.get(), params, window);
|
|
if (rv.Failed()) {
|
|
return;
|
|
}
|
|
params->GetString("result", aValue);
|
|
return;
|
|
}
|
|
|
|
rv = params->SetCString("state_attribute", paramStr);
|
|
if (rv.Failed()) {
|
|
return;
|
|
}
|
|
|
|
rv = cmdMgr->GetCommandState(cmdToDispatch.get(), window, params);
|
|
if (rv.Failed()) {
|
|
return;
|
|
}
|
|
|
|
// If command does not have a state_attribute value, this call fails, and
|
|
// aValue will wind up being the empty string. This is fine -- we want to
|
|
// return "" in that case anyway (bug 738385), so we just return NS_OK
|
|
// regardless.
|
|
nsAutoCString result;
|
|
params->GetCString("state_attribute", result);
|
|
CopyUTF8toUTF16(result, aValue);
|
|
}
|
|
|
|
nsresult nsHTMLDocument::Clone(dom::NodeInfo* aNodeInfo,
|
|
nsINode** aResult) const {
|
|
NS_ASSERTION(aNodeInfo->NodeInfoManager() == mNodeInfoManager,
|
|
"Can't import this document into another document!");
|
|
|
|
RefPtr<nsHTMLDocument> clone = new nsHTMLDocument();
|
|
nsresult rv = CloneDocHelper(clone.get());
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// State from nsHTMLDocument
|
|
clone->mLoadFlags = mLoadFlags;
|
|
|
|
clone.forget(aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
bool nsHTMLDocument::IsEditingOnAfterFlush() {
|
|
Document* doc = GetParentDocument();
|
|
if (doc) {
|
|
// Make sure frames are up to date, since that can affect whether
|
|
// we're editable.
|
|
doc->FlushPendingNotifications(FlushType::Frames);
|
|
}
|
|
|
|
return IsEditingOn();
|
|
}
|
|
|
|
void nsHTMLDocument::RemovedFromDocShell() {
|
|
mEditingState = eOff;
|
|
Document::RemovedFromDocShell();
|
|
}
|
|
|
|
/* virtual */
|
|
void nsHTMLDocument::DocAddSizeOfExcludingThis(
|
|
nsWindowSizes& aWindowSizes) const {
|
|
Document::DocAddSizeOfExcludingThis(aWindowSizes);
|
|
|
|
// Measurement of the following members may be added later if DMD finds it is
|
|
// worthwhile:
|
|
// - mLinks
|
|
// - mAnchors
|
|
// - mMidasCommandManager
|
|
}
|
|
|
|
bool nsHTMLDocument::WillIgnoreCharsetOverride() {
|
|
if (mEncodingMenuDisabled) {
|
|
return true;
|
|
}
|
|
if (mType != eHTML) {
|
|
MOZ_ASSERT(mType == eXHTML);
|
|
return true;
|
|
}
|
|
if (mCharacterSetSource >= kCharsetFromByteOrderMark) {
|
|
return true;
|
|
}
|
|
if (!mCharacterSet->IsAsciiCompatible() &&
|
|
mCharacterSet != ISO_2022_JP_ENCODING) {
|
|
return true;
|
|
}
|
|
nsIURI* uri = GetOriginalURI();
|
|
if (uri) {
|
|
bool schemeIs = false;
|
|
uri->SchemeIs("about", &schemeIs);
|
|
if (schemeIs) {
|
|
return true;
|
|
}
|
|
bool isResource;
|
|
nsresult rv = NS_URIChainHasFlags(
|
|
uri, nsIProtocolHandler::URI_IS_UI_RESOURCE, &isResource);
|
|
if (NS_FAILED(rv) || isResource) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void nsHTMLDocument::GetFormsAndFormControls(nsContentList** aFormList,
|
|
nsContentList** aFormControlList) {
|
|
RefPtr<ContentListHolder> holder = mContentListHolder;
|
|
if (!holder) {
|
|
// Flush our content model so it'll be up to date
|
|
// If this becomes unnecessary and the following line is removed,
|
|
// please also remove the corresponding flush operation from
|
|
// nsHtml5TreeBuilderCppSupplement.h. (Look for "See bug 497861." there.)
|
|
// XXXsmaug nsHtml5TreeBuilderCppSupplement doesn't seem to have such flush
|
|
// anymore.
|
|
FlushPendingNotifications(FlushType::Content);
|
|
|
|
RefPtr<nsContentList> htmlForms = GetExistingForms();
|
|
if (!htmlForms) {
|
|
// If the document doesn't have an existing forms content list, create a
|
|
// new one which will be released soon by ContentListHolder. The idea is
|
|
// that we don't have that list hanging around for a long time and slowing
|
|
// down future DOM mutations.
|
|
//
|
|
// Please keep this in sync with Document::Forms().
|
|
htmlForms = new nsContentList(this, kNameSpaceID_XHTML, nsGkAtoms::form,
|
|
nsGkAtoms::form,
|
|
/* aDeep = */ true,
|
|
/* aLiveList = */ true);
|
|
}
|
|
|
|
RefPtr<nsContentList> htmlFormControls = new nsContentList(
|
|
this, nsHTMLDocument::MatchFormControls, nullptr, nullptr,
|
|
/* aDeep = */ true,
|
|
/* aMatchAtom = */ nullptr,
|
|
/* aMatchNameSpaceId = */ kNameSpaceID_None,
|
|
/* aFuncMayDependOnAttr = */ true,
|
|
/* aLiveList = */ true);
|
|
|
|
holder = new ContentListHolder(this, htmlForms, htmlFormControls);
|
|
RefPtr<ContentListHolder> runnable = holder;
|
|
if (NS_SUCCEEDED(
|
|
Dispatch(TaskCategory::GarbageCollection, runnable.forget()))) {
|
|
mContentListHolder = holder;
|
|
}
|
|
}
|
|
|
|
NS_ADDREF(*aFormList = holder->mFormList);
|
|
NS_ADDREF(*aFormControlList = holder->mFormControlList);
|
|
}
|
|
|
|
void nsHTMLDocument::UserInteractionForTesting() { SetUserHasInteracted(); }
|