mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-02 07:05:24 +00:00
2976 lines
100 KiB
C++
2976 lines
100 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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*
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* This Original Code has been modified by IBM Corporation.
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* Modifications made by IBM described herein are
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* Copyright (c) International Business Machines
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* Corporation, 2000
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*
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* Modifications to Mozilla code or documentation
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* identified per MPL Section 3.3
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*
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* Date Modified by Description of modification
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* 03/27/2000 IBM Corp. Added PR_CALLBACK for Optlink
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* use in OS2
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*/
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#include "nsCOMPtr.h"
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#include "nsDOMCID.h"
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#include "nsError.h"
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#include "nsDOMString.h"
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#include "nsIDOMEvent.h"
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#include "nsIAtom.h"
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#include "nsIBaseWindow.h"
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#include "nsIDOMAttr.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMEventListener.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMXULCommandDispatcher.h"
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#include "nsIDOMXULElement.h"
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#include "nsIDOMXULSelectCntrlItemEl.h"
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#include "nsIDocument.h"
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#include "nsLayoutStylesheetCache.h"
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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/EventListenerManager.h"
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#include "mozilla/EventStateManager.h"
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#include "mozilla/EventStates.h"
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#include "mozilla/DeclarationBlockInlines.h"
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#include "nsFocusManager.h"
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#include "nsHTMLStyleSheet.h"
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#include "nsNameSpaceManager.h"
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#include "nsIObjectInputStream.h"
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#include "nsIObjectOutputStream.h"
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#include "nsIPresShell.h"
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#include "nsIPrincipal.h"
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#include "nsIRDFCompositeDataSource.h"
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#include "nsIRDFNode.h"
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#include "nsIRDFService.h"
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#include "nsIScriptContext.h"
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#include "nsIScriptError.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsIServiceManager.h"
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#include "mozilla/css/StyleRule.h"
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#include "nsIURL.h"
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#include "nsViewManager.h"
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#include "nsIWidget.h"
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#include "nsIXULDocument.h"
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#include "nsIXULTemplateBuilder.h"
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#include "nsLayoutCID.h"
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#include "nsContentCID.h"
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#include "mozilla/dom/Event.h"
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#include "nsRDFCID.h"
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#include "nsStyleConsts.h"
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#include "nsXPIDLString.h"
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#include "nsXULControllers.h"
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#include "nsIBoxObject.h"
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#include "nsPIBoxObject.h"
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#include "XULDocument.h"
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#include "nsXULPopupListener.h"
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#include "nsRuleWalker.h"
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#include "nsIDOMCSSStyleDeclaration.h"
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#include "nsCSSParser.h"
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#include "ListBoxObject.h"
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#include "nsContentUtils.h"
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#include "nsContentList.h"
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#include "mozilla/InternalMutationEvent.h"
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#include "mozilla/MouseEvents.h"
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#include "nsIDOMMutationEvent.h"
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#include "nsPIDOMWindow.h"
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#include "nsJSPrincipals.h"
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#include "nsDOMAttributeMap.h"
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#include "nsGkAtoms.h"
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#include "nsXULContentUtils.h"
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#include "nsNodeUtils.h"
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#include "nsFrameLoader.h"
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#include "mozilla/Logging.h"
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#include "rdf.h"
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#include "nsIControllers.h"
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#include "nsAttrValueOrString.h"
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#include "nsAttrValueInlines.h"
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#include "mozilla/Attributes.h"
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#include "nsIController.h"
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#include "nsQueryObject.h"
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#include <algorithm>
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#include "nsIDOMChromeWindow.h"
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// The XUL doc interface
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#include "nsIDOMXULDocument.h"
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#include "nsReadableUtils.h"
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#include "nsIFrame.h"
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#include "nsNodeInfoManager.h"
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#include "nsXBLBinding.h"
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#include "mozilla/EventDispatcher.h"
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#include "mozAutoDocUpdate.h"
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#include "nsIDOMXULCommandEvent.h"
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#include "nsCCUncollectableMarker.h"
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#include "nsICSSDeclaration.h"
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#include "mozilla/dom/XULElementBinding.h"
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#include "mozilla/dom/BoxObject.h"
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#include "mozilla/dom/HTMLIFrameElement.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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#ifdef XUL_PROTOTYPE_ATTRIBUTE_METERING
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uint32_t nsXULPrototypeAttribute::gNumElements;
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uint32_t nsXULPrototypeAttribute::gNumAttributes;
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uint32_t nsXULPrototypeAttribute::gNumCacheTests;
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uint32_t nsXULPrototypeAttribute::gNumCacheHits;
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uint32_t nsXULPrototypeAttribute::gNumCacheSets;
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uint32_t nsXULPrototypeAttribute::gNumCacheFills;
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#endif
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class nsXULElementTearoff final : public nsIFrameLoaderOwner
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{
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~nsXULElementTearoff() {}
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(nsXULElementTearoff)
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explicit nsXULElementTearoff(nsXULElement* aElement)
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: mElement(aElement)
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{
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}
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NS_FORWARD_NSIFRAMELOADEROWNER(static_cast<nsXULElement*>(mElement.get())->)
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private:
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nsCOMPtr<nsIDOMXULElement> mElement;
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};
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NS_IMPL_CYCLE_COLLECTION(nsXULElementTearoff, mElement)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(nsXULElementTearoff)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(nsXULElementTearoff)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsXULElementTearoff)
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NS_INTERFACE_MAP_ENTRY(nsIFrameLoaderOwner)
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NS_INTERFACE_MAP_END_AGGREGATED(mElement)
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//----------------------------------------------------------------------
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// nsXULElement
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//
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nsXULElement::nsXULElement(already_AddRefed<mozilla::dom::NodeInfo> aNodeInfo)
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: nsStyledElement(aNodeInfo),
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mBindingParent(nullptr)
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{
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XUL_PROTOTYPE_ATTRIBUTE_METER(gNumElements);
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// We may be READWRITE by default; check.
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if (IsReadWriteTextElement()) {
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AddStatesSilently(NS_EVENT_STATE_MOZ_READWRITE);
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RemoveStatesSilently(NS_EVENT_STATE_MOZ_READONLY);
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}
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}
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nsXULElement::~nsXULElement()
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{
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}
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nsXULElement::nsXULSlots::nsXULSlots()
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: nsXULElement::nsDOMSlots()
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{
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}
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nsXULElement::nsXULSlots::~nsXULSlots()
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{
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NS_IF_RELEASE(mControllers); // Forces release
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nsCOMPtr<nsIFrameLoader> frameLoader = do_QueryInterface(mFrameLoaderOrOpener);
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if (frameLoader) {
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static_cast<nsFrameLoader*>(frameLoader.get())->Destroy();
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}
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}
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void
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nsXULElement::nsXULSlots::Traverse(nsCycleCollectionTraversalCallback &cb)
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{
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NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mSlots->mFrameLoaderOrOpener");
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cb.NoteXPCOMChild(mFrameLoaderOrOpener);
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}
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nsINode::nsSlots*
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nsXULElement::CreateSlots()
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{
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return new nsXULSlots();
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}
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void
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nsXULElement::MaybeUpdatePrivateLifetime()
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{
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if (AttrValueIs(kNameSpaceID_None, nsGkAtoms::windowtype,
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NS_LITERAL_STRING("navigator:browser"),
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eCaseMatters)) {
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return;
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}
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nsPIDOMWindowOuter* win = OwnerDoc()->GetWindow();
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nsCOMPtr<nsIDocShell> docShell = win ? win->GetDocShell() : nullptr;
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if (docShell) {
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docShell->SetAffectPrivateSessionLifetime(false);
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}
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}
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/* static */
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already_AddRefed<nsXULElement>
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nsXULElement::Create(nsXULPrototypeElement* aPrototype, mozilla::dom::NodeInfo *aNodeInfo,
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bool aIsScriptable, bool aIsRoot)
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{
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RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo;
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RefPtr<nsXULElement> element = new nsXULElement(ni.forget());
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if (element) {
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if (aPrototype->mHasIdAttribute) {
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element->SetHasID();
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}
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if (aPrototype->mHasClassAttribute) {
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element->SetFlags(NODE_MAY_HAVE_CLASS);
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}
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if (aPrototype->mHasStyleAttribute) {
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element->SetMayHaveStyle();
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}
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element->MakeHeavyweight(aPrototype);
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if (aIsScriptable) {
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// Check each attribute on the prototype to see if we need to do
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// any additional processing and hookup that would otherwise be
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// done 'automagically' by SetAttr().
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for (uint32_t i = 0; i < aPrototype->mNumAttributes; ++i) {
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element->AddListenerFor(aPrototype->mAttributes[i].mName,
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true);
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}
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}
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if (aIsRoot && aPrototype->mNodeInfo->Equals(nsGkAtoms::window)) {
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for (uint32_t i = 0; i < aPrototype->mNumAttributes; ++i) {
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if (aPrototype->mAttributes[i].mName.Equals(nsGkAtoms::windowtype)) {
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element->MaybeUpdatePrivateLifetime();
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}
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}
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}
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}
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return element.forget();
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}
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nsresult
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nsXULElement::Create(nsXULPrototypeElement* aPrototype,
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nsIDocument* aDocument,
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bool aIsScriptable,
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bool aIsRoot,
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Element** aResult)
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{
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// Create an nsXULElement from a prototype
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NS_PRECONDITION(aPrototype != nullptr, "null ptr");
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if (! aPrototype)
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return NS_ERROR_NULL_POINTER;
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NS_PRECONDITION(aResult != nullptr, "null ptr");
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if (! aResult)
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return NS_ERROR_NULL_POINTER;
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RefPtr<mozilla::dom::NodeInfo> nodeInfo;
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if (aDocument) {
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mozilla::dom::NodeInfo* ni = aPrototype->mNodeInfo;
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nodeInfo = aDocument->NodeInfoManager()->
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GetNodeInfo(ni->NameAtom(), ni->GetPrefixAtom(), ni->NamespaceID(),
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nsIDOMNode::ELEMENT_NODE);
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} else {
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nodeInfo = aPrototype->mNodeInfo;
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}
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RefPtr<nsXULElement> element = Create(aPrototype, nodeInfo,
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aIsScriptable, aIsRoot);
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element.forget(aResult);
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return NS_OK;
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}
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nsresult
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NS_NewXULElement(Element** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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{
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RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo;
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NS_PRECONDITION(ni, "need nodeinfo for non-proto Create");
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nsIDocument* doc = ni->GetDocument();
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if (doc && !doc->AllowXULXBL()) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_ADDREF(*aResult = new nsXULElement(ni.forget()));
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return NS_OK;
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}
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void
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NS_TrustedNewXULElement(nsIContent** aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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{
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RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo;
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NS_PRECONDITION(ni, "need nodeinfo for non-proto Create");
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// Create an nsXULElement with the specified namespace and tag.
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NS_ADDREF(*aResult = new nsXULElement(ni.forget()));
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}
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//----------------------------------------------------------------------
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// nsISupports interface
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NS_IMPL_CYCLE_COLLECTION_CLASS(nsXULElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(nsXULElement,
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nsStyledElement)
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{
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nsXULSlots* slots = static_cast<nsXULSlots*>(tmp->GetExistingSlots());
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if (slots) {
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slots->Traverse(cb);
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}
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}
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(nsXULElement,
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nsStyledElement)
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// Why aren't we unlinking the prototype?
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tmp->ClearHasID();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_ADDREF_INHERITED(nsXULElement, nsStyledElement)
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NS_IMPL_RELEASE_INHERITED(nsXULElement, nsStyledElement)
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NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(nsXULElement)
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NS_INTERFACE_TABLE_INHERITED(nsXULElement, nsIDOMNode, nsIDOMElement,
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nsIDOMXULElement)
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NS_ELEMENT_INTERFACE_TABLE_TO_MAP_SEGUE
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NS_INTERFACE_MAP_ENTRY_TEAROFF(nsIFrameLoaderOwner,
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new nsXULElementTearoff(this))
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NS_INTERFACE_MAP_END_INHERITING(nsStyledElement)
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//----------------------------------------------------------------------
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// nsIDOMNode interface
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nsresult
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nsXULElement::Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const
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{
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*aResult = nullptr;
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RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo;
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RefPtr<nsXULElement> element = new nsXULElement(ni.forget());
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// XXX TODO: set up RDF generic builder n' stuff if there is a
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// 'datasources' attribute? This is really kind of tricky,
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// because then we'd need to -selectively- copy children that
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// -weren't- generated from RDF. Ugh. Forget it.
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// Note that we're _not_ copying mControllers.
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uint32_t count = mAttrsAndChildren.AttrCount();
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nsresult rv = NS_OK;
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for (uint32_t i = 0; i < count; ++i) {
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const nsAttrName* originalName = mAttrsAndChildren.AttrNameAt(i);
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const nsAttrValue* originalValue = mAttrsAndChildren.AttrAt(i);
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nsAttrValue attrValue;
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// Style rules need to be cloned.
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if (originalValue->Type() == nsAttrValue::eCSSDeclaration) {
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DeclarationBlock* decl = originalValue->GetCSSDeclarationValue();
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RefPtr<css::Declaration>
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declClone = new css::Declaration(*decl->AsGecko());
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nsString stringValue;
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originalValue->ToString(stringValue);
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attrValue.SetTo(declClone.forget(), &stringValue);
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} else {
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attrValue.SetTo(*originalValue);
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}
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if (originalName->IsAtom()) {
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rv = element->mAttrsAndChildren.SetAndSwapAttr(originalName->Atom(),
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attrValue);
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} else {
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rv = element->mAttrsAndChildren.SetAndSwapAttr(originalName->NodeInfo(),
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attrValue);
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}
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NS_ENSURE_SUCCESS(rv, rv);
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element->AddListenerFor(*originalName, true);
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if (originalName->Equals(nsGkAtoms::id) &&
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!originalValue->IsEmptyString()) {
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element->SetHasID();
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}
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if (originalName->Equals(nsGkAtoms::_class)) {
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element->SetFlags(NODE_MAY_HAVE_CLASS);
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}
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if (originalName->Equals(nsGkAtoms::style)) {
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element->SetMayHaveStyle();
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}
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}
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element.forget(aResult);
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return rv;
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}
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//----------------------------------------------------------------------
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NS_IMETHODIMP
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nsXULElement::GetElementsByAttribute(const nsAString& aAttribute,
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const nsAString& aValue,
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nsIDOMNodeList** aReturn)
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{
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*aReturn = GetElementsByAttribute(aAttribute, aValue).take();
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return NS_OK;
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}
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already_AddRefed<nsINodeList>
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nsXULElement::GetElementsByAttribute(const nsAString& aAttribute,
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const nsAString& aValue)
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{
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nsCOMPtr<nsIAtom> attrAtom(NS_Atomize(aAttribute));
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void* attrValue = new nsString(aValue);
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RefPtr<nsContentList> list =
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new nsContentList(this,
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|
XULDocument::MatchAttribute,
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nsContentUtils::DestroyMatchString,
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|
attrValue,
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true,
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|
attrAtom,
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kNameSpaceID_Unknown);
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return list.forget();
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}
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NS_IMETHODIMP
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|
nsXULElement::GetElementsByAttributeNS(const nsAString& aNamespaceURI,
|
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const nsAString& aAttribute,
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|
const nsAString& aValue,
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nsIDOMNodeList** aReturn)
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|
{
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|
ErrorResult rv;
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*aReturn =
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GetElementsByAttributeNS(aNamespaceURI, aAttribute, aValue, rv).take();
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return rv.StealNSResult();
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}
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|
|
already_AddRefed<nsINodeList>
|
|
nsXULElement::GetElementsByAttributeNS(const nsAString& aNamespaceURI,
|
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const nsAString& aAttribute,
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const nsAString& aValue,
|
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ErrorResult& rv)
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|
{
|
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nsCOMPtr<nsIAtom> attrAtom(NS_Atomize(aAttribute));
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int32_t nameSpaceId = kNameSpaceID_Wildcard;
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if (!aNamespaceURI.EqualsLiteral("*")) {
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rv =
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nsContentUtils::NameSpaceManager()->RegisterNameSpace(aNamespaceURI,
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nameSpaceId);
|
|
if (rv.Failed()) {
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return nullptr;
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}
|
|
}
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|
|
void* attrValue = new nsString(aValue);
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|
RefPtr<nsContentList> list =
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new nsContentList(this,
|
|
XULDocument::MatchAttribute,
|
|
nsContentUtils::DestroyMatchString,
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|
attrValue,
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|
true,
|
|
attrAtom,
|
|
nameSpaceId);
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return list.forget();
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}
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|
|
|
EventListenerManager*
|
|
nsXULElement::GetEventListenerManagerForAttr(nsIAtom* aAttrName, bool* aDefer)
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|
{
|
|
// XXXbz sXBL/XBL2 issue: should we instead use GetComposedDoc()
|
|
// here, override BindToTree for those classes and munge event
|
|
// listeners there?
|
|
nsIDocument* doc = OwnerDoc();
|
|
|
|
nsPIDOMWindowInner *window;
|
|
Element *root = doc->GetRootElement();
|
|
if ((!root || root == this) && !mNodeInfo->Equals(nsGkAtoms::overlay) &&
|
|
(window = doc->GetInnerWindow())) {
|
|
|
|
nsCOMPtr<EventTarget> piTarget = do_QueryInterface(window);
|
|
|
|
*aDefer = false;
|
|
return piTarget->GetOrCreateListenerManager();
|
|
}
|
|
|
|
return nsStyledElement::GetEventListenerManagerForAttr(aAttrName, aDefer);
|
|
}
|
|
|
|
// returns true if the element is not a list
|
|
static bool IsNonList(mozilla::dom::NodeInfo* aNodeInfo)
|
|
{
|
|
return !aNodeInfo->Equals(nsGkAtoms::tree) &&
|
|
!aNodeInfo->Equals(nsGkAtoms::listbox) &&
|
|
!aNodeInfo->Equals(nsGkAtoms::richlistbox);
|
|
}
|
|
|
|
bool
|
|
nsXULElement::IsFocusableInternal(int32_t *aTabIndex, bool aWithMouse)
|
|
{
|
|
/*
|
|
* Returns true if an element may be focused, and false otherwise. The inout
|
|
* argument aTabIndex will be set to the tab order index to be used; -1 for
|
|
* elements that should not be part of the tab order and a greater value to
|
|
* indicate its tab order.
|
|
*
|
|
* Confusingly, the supplied value for the aTabIndex argument may indicate
|
|
* whether the element may be focused as a result of the -moz-user-focus
|
|
* property, where -1 means no and 0 means yes.
|
|
*
|
|
* For controls, the element cannot be focused and is not part of the tab
|
|
* order if it is disabled.
|
|
*
|
|
* Controls (those that implement nsIDOMXULControlElement):
|
|
* *aTabIndex = -1 no tabindex Not focusable or tabbable
|
|
* *aTabIndex = -1 tabindex="-1" Not focusable or tabbable
|
|
* *aTabIndex = -1 tabindex=">=0" Focusable and tabbable
|
|
* *aTabIndex >= 0 no tabindex Focusable and tabbable
|
|
* *aTabIndex >= 0 tabindex="-1" Focusable but not tabbable
|
|
* *aTabIndex >= 0 tabindex=">=0" Focusable and tabbable
|
|
* Non-controls:
|
|
* *aTabIndex = -1 Not focusable or tabbable
|
|
* *aTabIndex >= 0 Focusable and tabbable
|
|
*
|
|
* If aTabIndex is null, then the tabindex is not computed, and
|
|
* true is returned for non-disabled controls and false otherwise.
|
|
*/
|
|
|
|
// elements are not focusable by default
|
|
bool shouldFocus = false;
|
|
|
|
#ifdef XP_MACOSX
|
|
// on Mac, mouse interactions only focus the element if it's a list,
|
|
// or if it's a remote target, since the remote target must handle
|
|
// the focus.
|
|
if (aWithMouse &&
|
|
IsNonList(mNodeInfo) &&
|
|
!EventStateManager::IsRemoteTarget(this))
|
|
{
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
nsCOMPtr<nsIDOMXULControlElement> xulControl = do_QueryObject(this);
|
|
if (xulControl) {
|
|
// a disabled element cannot be focused and is not part of the tab order
|
|
bool disabled;
|
|
xulControl->GetDisabled(&disabled);
|
|
if (disabled) {
|
|
if (aTabIndex)
|
|
*aTabIndex = -1;
|
|
return false;
|
|
}
|
|
shouldFocus = true;
|
|
}
|
|
|
|
if (aTabIndex) {
|
|
if (xulControl) {
|
|
if (HasAttr(kNameSpaceID_None, nsGkAtoms::tabindex)) {
|
|
// if either the aTabIndex argument or a specified tabindex is non-negative,
|
|
// the element becomes focusable.
|
|
int32_t tabIndex = 0;
|
|
xulControl->GetTabIndex(&tabIndex);
|
|
shouldFocus = *aTabIndex >= 0 || tabIndex >= 0;
|
|
*aTabIndex = tabIndex;
|
|
} else {
|
|
// otherwise, if there is no tabindex attribute, just use the value of
|
|
// *aTabIndex to indicate focusability. Reset any supplied tabindex to 0.
|
|
shouldFocus = *aTabIndex >= 0;
|
|
if (shouldFocus)
|
|
*aTabIndex = 0;
|
|
}
|
|
|
|
if (shouldFocus && sTabFocusModelAppliesToXUL &&
|
|
!(sTabFocusModel & eTabFocus_formElementsMask)) {
|
|
// By default, the tab focus model doesn't apply to xul element on any system but OS X.
|
|
// on OS X we're following it for UI elements (XUL) as sTabFocusModel is based on
|
|
// "Full Keyboard Access" system setting (see mac/nsILookAndFeel).
|
|
// both textboxes and list elements (i.e. trees and list) should always be focusable
|
|
// (textboxes are handled as html:input)
|
|
// For compatibility, we only do this for controls, otherwise elements like <browser>
|
|
// cannot take this focus.
|
|
if (IsNonList(mNodeInfo))
|
|
*aTabIndex = -1;
|
|
}
|
|
} else {
|
|
shouldFocus = *aTabIndex >= 0;
|
|
}
|
|
}
|
|
|
|
return shouldFocus;
|
|
}
|
|
|
|
bool
|
|
nsXULElement::PerformAccesskey(bool aKeyCausesActivation,
|
|
bool aIsTrustedEvent)
|
|
{
|
|
nsCOMPtr<nsIContent> content(this);
|
|
|
|
if (IsXULElement(nsGkAtoms::label)) {
|
|
nsCOMPtr<nsIDOMElement> element;
|
|
|
|
nsAutoString control;
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::control, control);
|
|
if (!control.IsEmpty()) {
|
|
//XXXsmaug Should we use ShadowRoot::GetElementById in case
|
|
// content is in Shadow DOM?
|
|
nsCOMPtr<nsIDOMDocument> domDocument =
|
|
do_QueryInterface(content->GetUncomposedDoc());
|
|
if (domDocument)
|
|
domDocument->GetElementById(control, getter_AddRefs(element));
|
|
}
|
|
// here we'll either change |content| to the element referenced by
|
|
// |element|, or clear it.
|
|
content = do_QueryInterface(element);
|
|
|
|
if (!content) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
nsIFrame* frame = content->GetPrimaryFrame();
|
|
if (!frame || !frame->IsVisibleConsideringAncestors()) {
|
|
return false;
|
|
}
|
|
|
|
bool focused = false;
|
|
nsXULElement* elm = FromContent(content);
|
|
if (elm) {
|
|
// Define behavior for each type of XUL element.
|
|
if (!content->IsXULElement(nsGkAtoms::toolbarbutton)) {
|
|
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm) {
|
|
nsCOMPtr<nsIDOMElement> elementToFocus;
|
|
// for radio buttons, focus the radiogroup instead
|
|
if (content->IsXULElement(nsGkAtoms::radio)) {
|
|
nsCOMPtr<nsIDOMXULSelectControlItemElement> controlItem(do_QueryInterface(content));
|
|
if (controlItem) {
|
|
bool disabled;
|
|
controlItem->GetDisabled(&disabled);
|
|
if (!disabled) {
|
|
nsCOMPtr<nsIDOMXULSelectControlElement> selectControl;
|
|
controlItem->GetControl(getter_AddRefs(selectControl));
|
|
elementToFocus = do_QueryInterface(selectControl);
|
|
}
|
|
}
|
|
} else {
|
|
elementToFocus = do_QueryInterface(content);
|
|
}
|
|
if (elementToFocus) {
|
|
fm->SetFocus(elementToFocus, nsIFocusManager::FLAG_BYKEY);
|
|
|
|
// Return true if the element became focused.
|
|
nsPIDOMWindowOuter* window = OwnerDoc()->GetWindow();
|
|
focused = (window && window->GetFocusedNode());
|
|
}
|
|
}
|
|
}
|
|
if (aKeyCausesActivation &&
|
|
!content->IsAnyOfXULElements(nsGkAtoms::textbox, nsGkAtoms::menulist)) {
|
|
elm->ClickWithInputSource(nsIDOMMouseEvent::MOZ_SOURCE_KEYBOARD, aIsTrustedEvent);
|
|
}
|
|
} else {
|
|
return content->PerformAccesskey(aKeyCausesActivation, aIsTrustedEvent);
|
|
}
|
|
|
|
return focused;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
void
|
|
nsXULElement::AddListenerFor(const nsAttrName& aName,
|
|
bool aCompileEventHandlers)
|
|
{
|
|
// If appropriate, add a popup listener and/or compile the event
|
|
// handler. Called when we change the element's document, create a
|
|
// new element, change an attribute's value, etc.
|
|
// Eventlistenener-attributes are always in the null namespace
|
|
if (aName.IsAtom()) {
|
|
nsIAtom *attr = aName.Atom();
|
|
MaybeAddPopupListener(attr);
|
|
if (aCompileEventHandlers &&
|
|
nsContentUtils::IsEventAttributeName(attr, EventNameType_XUL)) {
|
|
nsAutoString value;
|
|
GetAttr(kNameSpaceID_None, attr, value);
|
|
SetEventHandler(attr, value, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsXULElement::MaybeAddPopupListener(nsIAtom* aLocalName)
|
|
{
|
|
// If appropriate, add a popup listener. Called when we change the
|
|
// element's document, create a new element, change an attribute's
|
|
// value, etc.
|
|
if (aLocalName == nsGkAtoms::menu ||
|
|
aLocalName == nsGkAtoms::contextmenu ||
|
|
// XXXdwh popup and context are deprecated
|
|
aLocalName == nsGkAtoms::popup ||
|
|
aLocalName == nsGkAtoms::context) {
|
|
AddPopupListener(aLocalName);
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// nsIContent interface
|
|
//
|
|
void
|
|
nsXULElement::UpdateEditableState(bool aNotify)
|
|
{
|
|
// Don't call through to Element here because the things
|
|
// it does don't work for cases when we're an editable control.
|
|
nsIContent *parent = GetParent();
|
|
|
|
SetEditableFlag(parent && parent->HasFlag(NODE_IS_EDITABLE));
|
|
UpdateState(aNotify);
|
|
}
|
|
|
|
/**
|
|
* Returns true if the user-agent style sheet rules for this XUL element are
|
|
* in minimal-xul.css instead of xul.css.
|
|
*/
|
|
static inline bool XULElementsRulesInMinimalXULSheet(nsIAtom* aTag)
|
|
{
|
|
return // scrollbar parts:
|
|
aTag == nsGkAtoms::scrollbar ||
|
|
aTag == nsGkAtoms::scrollbarbutton ||
|
|
aTag == nsGkAtoms::scrollcorner ||
|
|
aTag == nsGkAtoms::slider ||
|
|
aTag == nsGkAtoms::thumb ||
|
|
aTag == nsGkAtoms::scale ||
|
|
// other
|
|
aTag == nsGkAtoms::resizer ||
|
|
aTag == nsGkAtoms::label ||
|
|
aTag == nsGkAtoms::videocontrols;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
/**
|
|
* Returns true if aElement is a XUL element created by the video controls
|
|
* binding. HTML <video> and <audio> bindings pull in this binding. This
|
|
* binding creates lots of different types of XUL elements.
|
|
*/
|
|
static inline bool
|
|
IsInVideoControls(nsXULElement* aElement)
|
|
{
|
|
nsIContent* ancestor = aElement->GetParent();
|
|
while (ancestor) {
|
|
if (ancestor->NodeInfo()->Equals(nsGkAtoms::videocontrols, kNameSpaceID_XUL)) {
|
|
return true;
|
|
}
|
|
ancestor = ancestor->GetParent();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns true if aElement is an element created by the <binding
|
|
* id="feedreaderUI"> binding or one of the bindings bound to such an element.
|
|
* element in one of the binding for such an element. Only
|
|
* subscribe.xhtml#feedSubscribeLine pulls in the feedreaderUI binding. This
|
|
* binding creates lots of different types of XUL elements.
|
|
*/
|
|
bool
|
|
IsInFeedSubscribeLine(nsXULElement* aElement)
|
|
{
|
|
nsIContent* bindingParent = aElement->GetBindingParent();
|
|
if (bindingParent) {
|
|
while (bindingParent->GetBindingParent()) {
|
|
bindingParent = bindingParent->GetBindingParent();
|
|
}
|
|
nsIAtom* idAtom = bindingParent->GetID();
|
|
if (idAtom && idAtom->Equals(NS_LITERAL_STRING("feedSubscribeLine"))) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
class XULInContentErrorReporter : public Runnable
|
|
{
|
|
public:
|
|
explicit XULInContentErrorReporter(nsIDocument* aDocument) : mDocument(aDocument) {}
|
|
|
|
NS_IMETHOD Run() override
|
|
{
|
|
mDocument->WarnOnceAbout(nsIDocument::eImportXULIntoContent, false);
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
nsCOMPtr<nsIDocument> mDocument;
|
|
};
|
|
|
|
nsresult
|
|
nsXULElement::BindToTree(nsIDocument* aDocument,
|
|
nsIContent* aParent,
|
|
nsIContent* aBindingParent,
|
|
bool aCompileEventHandlers)
|
|
{
|
|
if (!aBindingParent &&
|
|
aDocument &&
|
|
!aDocument->IsLoadedAsInteractiveData() &&
|
|
!aDocument->AllowXULXBL() &&
|
|
!aDocument->HasWarnedAbout(nsIDocument::eImportXULIntoContent)) {
|
|
nsContentUtils::AddScriptRunner(new XULInContentErrorReporter(aDocument));
|
|
}
|
|
|
|
nsresult rv = nsStyledElement::BindToTree(aDocument, aParent,
|
|
aBindingParent,
|
|
aCompileEventHandlers);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsIDocument* doc = GetComposedDoc();
|
|
if (doc &&
|
|
!doc->LoadsFullXULStyleSheetUpFront() &&
|
|
!doc->IsUnstyledDocument()) {
|
|
|
|
// To save CPU cycles and memory, non-XUL documents only load the user
|
|
// agent style sheet rules for a minimal set of XUL elements such as
|
|
// 'scrollbar' that may be created implicitly for their content (those
|
|
// rules being in minimal-xul.css). This is where we make sure that all
|
|
// the other XUL UA style sheet rules (xul.css) have been loaded if the
|
|
// minimal set is not sufficient.
|
|
//
|
|
// We do this during binding, not element construction, because elements
|
|
// can be moved from the document that creates them to another document.
|
|
|
|
if (!XULElementsRulesInMinimalXULSheet(NodeInfo()->NameAtom())) {
|
|
auto cache = nsLayoutStylesheetCache::For(doc->GetStyleBackendType());
|
|
doc->EnsureOnDemandBuiltInUASheet(cache->XULSheet());
|
|
// To keep memory usage down it is important that we try and avoid
|
|
// pulling xul.css into non-XUL documents. That should be very rare, and
|
|
// for HTML we currently should only pull it in if the document contains
|
|
// an <audio> or <video> element. This assertion is here to make sure
|
|
// that we don't fail to notice if a change to bindings causes us to
|
|
// start pulling in xul.css much more frequently. If this assertion
|
|
// fails then we need to figure out why, and how we can continue to avoid
|
|
// pulling in xul.css.
|
|
// Note that add-ons may introduce bindings that cause this assertion to
|
|
// fire.
|
|
NS_ASSERTION(IsInVideoControls(this) ||
|
|
IsInFeedSubscribeLine(this) ||
|
|
IsXULElement(nsGkAtoms::datetimebox),
|
|
"Unexpected XUL element in non-XUL doc");
|
|
}
|
|
}
|
|
|
|
if (aDocument) {
|
|
NS_ASSERTION(!nsContentUtils::IsSafeToRunScript(),
|
|
"Missing a script blocker!");
|
|
// We're in a document now. Kick off the frame load.
|
|
LoadSrc();
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
void
|
|
nsXULElement::UnbindFromTree(bool aDeep, bool aNullParent)
|
|
{
|
|
// mControllers can own objects that are implemented
|
|
// in JavaScript (such as some implementations of
|
|
// nsIControllers. These objects prevent their global
|
|
// object's script object from being garbage collected,
|
|
// which means JS continues to hold an owning reference
|
|
// to the nsGlobalWindow, which owns the document,
|
|
// which owns this content. That's a cycle, so we break
|
|
// it here. (It might be better to break this by releasing
|
|
// mDocument in nsGlobalWindow::SetDocShell, but I'm not
|
|
// sure whether that would fix all possible cycles through
|
|
// mControllers.)
|
|
nsXULSlots* slots = static_cast<nsXULSlots*>(GetExistingDOMSlots());
|
|
if (slots) {
|
|
NS_IF_RELEASE(slots->mControllers);
|
|
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
|
|
if (frameLoader) {
|
|
frameLoader->Destroy();
|
|
}
|
|
slots->mFrameLoaderOrOpener = nullptr;
|
|
}
|
|
|
|
nsStyledElement::UnbindFromTree(aDeep, aNullParent);
|
|
}
|
|
|
|
void
|
|
nsXULElement::RemoveChildAt(uint32_t aIndex, bool aNotify)
|
|
{
|
|
nsCOMPtr<nsIContent> oldKid = mAttrsAndChildren.GetSafeChildAt(aIndex);
|
|
if (!oldKid) {
|
|
return;
|
|
}
|
|
|
|
// On the removal of a <treeitem>, <treechildren>, or <treecell> element,
|
|
// the possibility exists that some of the items in the removed subtree
|
|
// are selected (and therefore need to be deselected). We need to account for this.
|
|
nsCOMPtr<nsIDOMXULMultiSelectControlElement> controlElement;
|
|
nsCOMPtr<nsIListBoxObject> listBox;
|
|
bool fireSelectionHandler = false;
|
|
|
|
// -1 = do nothing, -2 = null out current item
|
|
// anything else = index to re-set as current
|
|
int32_t newCurrentIndex = -1;
|
|
|
|
if (oldKid->NodeInfo()->Equals(nsGkAtoms::listitem, kNameSpaceID_XUL)) {
|
|
// This is the nasty case. We have (potentially) a slew of selected items
|
|
// and cells going away.
|
|
// First, retrieve the tree.
|
|
// Check first whether this element IS the tree
|
|
controlElement = do_QueryObject(this);
|
|
|
|
// If it's not, look at our parent
|
|
if (!controlElement)
|
|
GetParentTree(getter_AddRefs(controlElement));
|
|
nsCOMPtr<nsIDOMXULElement> xulElement(do_QueryInterface(controlElement));
|
|
|
|
nsCOMPtr<nsIDOMElement> oldKidElem = do_QueryInterface(oldKid);
|
|
if (xulElement && oldKidElem) {
|
|
// Iterate over all of the items and find out if they are contained inside
|
|
// the removed subtree.
|
|
int32_t length;
|
|
controlElement->GetSelectedCount(&length);
|
|
for (int32_t i = 0; i < length; i++) {
|
|
nsCOMPtr<nsIDOMXULSelectControlItemElement> node;
|
|
controlElement->MultiGetSelectedItem(i, getter_AddRefs(node));
|
|
// we need to QI here to do an XPCOM-correct pointercompare
|
|
nsCOMPtr<nsIDOMElement> selElem = do_QueryInterface(node);
|
|
if (selElem == oldKidElem &&
|
|
NS_SUCCEEDED(controlElement->RemoveItemFromSelection(node))) {
|
|
length--;
|
|
i--;
|
|
fireSelectionHandler = true;
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMXULSelectControlItemElement> curItem;
|
|
controlElement->GetCurrentItem(getter_AddRefs(curItem));
|
|
nsCOMPtr<nsIContent> curNode = do_QueryInterface(curItem);
|
|
if (curNode && nsContentUtils::ContentIsDescendantOf(curNode, oldKid)) {
|
|
// Current item going away
|
|
nsCOMPtr<nsIBoxObject> box;
|
|
xulElement->GetBoxObject(getter_AddRefs(box));
|
|
listBox = do_QueryInterface(box);
|
|
if (listBox && oldKidElem) {
|
|
listBox->GetIndexOfItem(oldKidElem, &newCurrentIndex);
|
|
}
|
|
|
|
// If any of this fails, we'll just set the current item to null
|
|
if (newCurrentIndex == -1)
|
|
newCurrentIndex = -2;
|
|
}
|
|
}
|
|
}
|
|
|
|
nsStyledElement::RemoveChildAt(aIndex, aNotify);
|
|
|
|
if (newCurrentIndex == -2) {
|
|
controlElement->SetCurrentItem(nullptr);
|
|
} else if (newCurrentIndex > -1) {
|
|
// Make sure the index is still valid
|
|
int32_t treeRows;
|
|
listBox->GetRowCount(&treeRows);
|
|
if (treeRows > 0) {
|
|
newCurrentIndex = std::min((treeRows - 1), newCurrentIndex);
|
|
nsCOMPtr<nsIDOMElement> newCurrentItem;
|
|
listBox->GetItemAtIndex(newCurrentIndex, getter_AddRefs(newCurrentItem));
|
|
nsCOMPtr<nsIDOMXULSelectControlItemElement> xulCurItem = do_QueryInterface(newCurrentItem);
|
|
if (xulCurItem)
|
|
controlElement->SetCurrentItem(xulCurItem);
|
|
} else {
|
|
controlElement->SetCurrentItem(nullptr);
|
|
}
|
|
}
|
|
|
|
nsIDocument* doc;
|
|
if (fireSelectionHandler && (doc = GetComposedDoc())) {
|
|
nsContentUtils::DispatchTrustedEvent(doc,
|
|
static_cast<nsIContent*>(this),
|
|
NS_LITERAL_STRING("select"),
|
|
false,
|
|
true);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsXULElement::UnregisterAccessKey(const nsAString& aOldValue)
|
|
{
|
|
// If someone changes the accesskey, unregister the old one
|
|
//
|
|
nsIDocument* doc = GetComposedDoc();
|
|
if (doc && !aOldValue.IsEmpty()) {
|
|
nsIPresShell *shell = doc->GetShell();
|
|
|
|
if (shell) {
|
|
nsIContent *content = this;
|
|
|
|
// find out what type of content node this is
|
|
if (mNodeInfo->Equals(nsGkAtoms::label)) {
|
|
// For anonymous labels the unregistering must
|
|
// occur on the binding parent control.
|
|
// XXXldb: And what if the binding parent is null?
|
|
content = GetBindingParent();
|
|
}
|
|
|
|
if (content) {
|
|
shell->GetPresContext()->EventStateManager()->
|
|
UnregisterAccessKey(content, aOldValue.First());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsXULElement::BeforeSetAttr(int32_t aNamespaceID, nsIAtom* aName,
|
|
nsAttrValueOrString* aValue, bool aNotify)
|
|
{
|
|
if (aNamespaceID == kNameSpaceID_None && aName == nsGkAtoms::accesskey &&
|
|
IsInUncomposedDoc()) {
|
|
nsAutoString oldValue;
|
|
if (GetAttr(aNamespaceID, aName, oldValue)) {
|
|
UnregisterAccessKey(oldValue);
|
|
}
|
|
} else if (aNamespaceID == kNameSpaceID_None &&
|
|
(aName == nsGkAtoms::command || aName == nsGkAtoms::observes) &&
|
|
IsInUncomposedDoc()) {
|
|
// XXX sXBL/XBL2 issue! Owner or current document?
|
|
nsAutoString oldValue;
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::observes, oldValue);
|
|
if (oldValue.IsEmpty()) {
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::command, oldValue);
|
|
}
|
|
|
|
if (!oldValue.IsEmpty()) {
|
|
RemoveBroadcaster(oldValue);
|
|
}
|
|
} else if (aNamespaceID == kNameSpaceID_None &&
|
|
aValue &&
|
|
mNodeInfo->Equals(nsGkAtoms::window) &&
|
|
aName == nsGkAtoms::chromemargin) {
|
|
nsAttrValue attrValue;
|
|
// Make sure the margin format is valid first
|
|
if (!attrValue.ParseIntMarginValue(aValue->String())) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
} else if (aNamespaceID == kNameSpaceID_None &&
|
|
aName == nsGkAtoms::usercontextid) {
|
|
nsAutoString oldValue;
|
|
bool hasAttribute = GetAttr(kNameSpaceID_None, nsGkAtoms::usercontextid, oldValue);
|
|
if (hasAttribute && (!aValue || !aValue->String().Equals(oldValue))) {
|
|
MOZ_ASSERT(false, "Changing usercontextid is not allowed.");
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
}
|
|
|
|
return nsStyledElement::BeforeSetAttr(aNamespaceID, aName,
|
|
aValue, aNotify);
|
|
}
|
|
|
|
nsresult
|
|
nsXULElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
|
|
const nsAttrValue* aValue, bool aNotify)
|
|
{
|
|
if (aNamespaceID == kNameSpaceID_None) {
|
|
if (aValue) {
|
|
// Add popup and event listeners. We can't call AddListenerFor since
|
|
// the attribute isn't set yet.
|
|
MaybeAddPopupListener(aName);
|
|
if (nsContentUtils::IsEventAttributeName(aName, EventNameType_XUL)) {
|
|
if (aValue->Type() == nsAttrValue::eString) {
|
|
SetEventHandler(aName, aValue->GetStringValue(), true);
|
|
} else {
|
|
nsAutoString body;
|
|
aValue->ToString(body);
|
|
SetEventHandler(aName, body, true);
|
|
}
|
|
}
|
|
|
|
nsIDocument* document = GetUncomposedDoc();
|
|
|
|
// Hide chrome if needed
|
|
if (mNodeInfo->Equals(nsGkAtoms::window)) {
|
|
if (aName == nsGkAtoms::hidechrome) {
|
|
HideWindowChrome(
|
|
aValue->Equals(NS_LITERAL_STRING("true"), eCaseMatters));
|
|
} else if (aName == nsGkAtoms::chromemargin) {
|
|
SetChromeMargins(aValue);
|
|
} else if (aName == nsGkAtoms::windowtype &&
|
|
document && document->GetRootElement() == this) {
|
|
MaybeUpdatePrivateLifetime();
|
|
}
|
|
}
|
|
// title, (in)activetitlebarcolor and drawintitlebar are settable on
|
|
// any root node (windows, dialogs, etc)
|
|
if (document && document->GetRootElement() == this) {
|
|
if (aName == nsGkAtoms::title) {
|
|
document->NotifyPossibleTitleChange(false);
|
|
} else if ((aName == nsGkAtoms::activetitlebarcolor ||
|
|
aName == nsGkAtoms::inactivetitlebarcolor)) {
|
|
nscolor color = NS_RGBA(0, 0, 0, 0);
|
|
if (aValue->Type() == nsAttrValue::eColor) {
|
|
aValue->GetColorValue(color);
|
|
} else {
|
|
nsAutoString tmp;
|
|
nsAttrValue attrValue;
|
|
aValue->ToString(tmp);
|
|
attrValue.ParseColor(tmp);
|
|
attrValue.GetColorValue(color);
|
|
}
|
|
SetTitlebarColor(color, aName == nsGkAtoms::activetitlebarcolor);
|
|
} else if (aName == nsGkAtoms::drawintitlebar) {
|
|
SetDrawsInTitlebar(
|
|
aValue->Equals(NS_LITERAL_STRING("true"), eCaseMatters));
|
|
} else if (aName == nsGkAtoms::drawtitle) {
|
|
SetDrawsTitle(
|
|
aValue->Equals(NS_LITERAL_STRING("true"), eCaseMatters));
|
|
} else if (aName == nsGkAtoms::localedir) {
|
|
// if the localedir changed on the root element, reset the document direction
|
|
nsCOMPtr<nsIXULDocument> xuldoc = do_QueryInterface(document);
|
|
if (xuldoc) {
|
|
xuldoc->ResetDocumentDirection();
|
|
}
|
|
} else if (aName == nsGkAtoms::lwtheme ||
|
|
aName == nsGkAtoms::lwthemetextcolor) {
|
|
// if the lwtheme changed, make sure to reset the document lwtheme cache
|
|
nsCOMPtr<nsIXULDocument> xuldoc = do_QueryInterface(document);
|
|
if (xuldoc) {
|
|
xuldoc->ResetDocumentLWTheme();
|
|
UpdateBrightTitlebarForeground(document);
|
|
}
|
|
} else if (aName == nsGkAtoms::brighttitlebarforeground) {
|
|
UpdateBrightTitlebarForeground(document);
|
|
}
|
|
}
|
|
|
|
if (aName == nsGkAtoms::src && document) {
|
|
LoadSrc();
|
|
}
|
|
} else {
|
|
if (mNodeInfo->Equals(nsGkAtoms::window)) {
|
|
if (aName == nsGkAtoms::hidechrome) {
|
|
HideWindowChrome(false);
|
|
} else if (aName == nsGkAtoms::chromemargin) {
|
|
ResetChromeMargins();
|
|
}
|
|
}
|
|
|
|
nsIDocument* doc = GetUncomposedDoc();
|
|
if (doc && doc->GetRootElement() == this) {
|
|
if ((aName == nsGkAtoms::activetitlebarcolor ||
|
|
aName == nsGkAtoms::inactivetitlebarcolor)) {
|
|
// Use 0, 0, 0, 0 as the "none" color.
|
|
SetTitlebarColor(NS_RGBA(0, 0, 0, 0), aName == nsGkAtoms::activetitlebarcolor);
|
|
} else if (aName == nsGkAtoms::localedir) {
|
|
// if the localedir changed on the root element, reset the document direction
|
|
nsCOMPtr<nsIXULDocument> xuldoc = do_QueryInterface(doc);
|
|
if (xuldoc) {
|
|
xuldoc->ResetDocumentDirection();
|
|
}
|
|
} else if ((aName == nsGkAtoms::lwtheme ||
|
|
aName == nsGkAtoms::lwthemetextcolor)) {
|
|
// if the lwtheme changed, make sure to restyle appropriately
|
|
nsCOMPtr<nsIXULDocument> xuldoc = do_QueryInterface(doc);
|
|
if (xuldoc) {
|
|
xuldoc->ResetDocumentLWTheme();
|
|
UpdateBrightTitlebarForeground(doc);
|
|
}
|
|
} else if (aName == nsGkAtoms::brighttitlebarforeground) {
|
|
UpdateBrightTitlebarForeground(doc);
|
|
} else if (aName == nsGkAtoms::drawintitlebar) {
|
|
SetDrawsInTitlebar(false);
|
|
} else if (aName == nsGkAtoms::drawtitle) {
|
|
SetDrawsTitle(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
// XXX need to check if they're changing an event handler: if
|
|
// so, then we need to unhook the old one. Or something.
|
|
}
|
|
|
|
return nsStyledElement::AfterSetAttr(aNamespaceID, aName,
|
|
aValue, aNotify);
|
|
}
|
|
|
|
bool
|
|
nsXULElement::ParseAttribute(int32_t aNamespaceID,
|
|
nsIAtom* aAttribute,
|
|
const nsAString& aValue,
|
|
nsAttrValue& aResult)
|
|
{
|
|
// Parse into a nsAttrValue
|
|
if (!nsStyledElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
|
|
aResult)) {
|
|
// Fall back to parsing as atom for short values
|
|
aResult.ParseStringOrAtom(aValue);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
nsXULElement::RemoveBroadcaster(const nsAString & broadcasterId)
|
|
{
|
|
nsCOMPtr<nsIDOMXULDocument> xuldoc = do_QueryInterface(OwnerDoc());
|
|
if (xuldoc) {
|
|
nsCOMPtr<nsIDOMElement> broadcaster;
|
|
nsCOMPtr<nsIDOMDocument> domDoc (do_QueryInterface(xuldoc));
|
|
domDoc->GetElementById(broadcasterId, getter_AddRefs(broadcaster));
|
|
if (broadcaster) {
|
|
xuldoc->RemoveBroadcastListenerFor(broadcaster, this,
|
|
NS_LITERAL_STRING("*"));
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsXULElement::DestroyContent()
|
|
{
|
|
nsXULSlots* slots = static_cast<nsXULSlots*>(GetExistingDOMSlots());
|
|
if (slots) {
|
|
NS_IF_RELEASE(slots->mControllers);
|
|
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
|
|
if (frameLoader) {
|
|
frameLoader->Destroy();
|
|
}
|
|
slots->mFrameLoaderOrOpener = nullptr;
|
|
}
|
|
|
|
nsStyledElement::DestroyContent();
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
void
|
|
nsXULElement::List(FILE* out, int32_t aIndent) const
|
|
{
|
|
nsCString prefix("XUL");
|
|
if (HasSlots()) {
|
|
prefix.Append('*');
|
|
}
|
|
prefix.Append(' ');
|
|
|
|
nsStyledElement::List(out, aIndent, prefix);
|
|
}
|
|
#endif
|
|
|
|
nsresult
|
|
nsXULElement::PreHandleEvent(EventChainPreVisitor& aVisitor)
|
|
{
|
|
aVisitor.mForceContentDispatch = true; //FIXME! Bug 329119
|
|
if (IsRootOfNativeAnonymousSubtree() &&
|
|
(IsAnyOfXULElements(nsGkAtoms::scrollbar, nsGkAtoms::scrollcorner)) &&
|
|
(aVisitor.mEvent->mMessage == eMouseClick ||
|
|
aVisitor.mEvent->mMessage == eMouseDoubleClick ||
|
|
aVisitor.mEvent->mMessage == eXULCommand ||
|
|
aVisitor.mEvent->mMessage == eContextMenu ||
|
|
aVisitor.mEvent->mMessage == eDragStart)) {
|
|
// Don't propagate these events from native anonymous scrollbar.
|
|
aVisitor.mCanHandle = true;
|
|
aVisitor.mParentTarget = nullptr;
|
|
return NS_OK;
|
|
}
|
|
if (aVisitor.mEvent->mMessage == eXULCommand &&
|
|
aVisitor.mEvent->mClass == eInputEventClass &&
|
|
aVisitor.mEvent->mOriginalTarget == static_cast<nsIContent*>(this) &&
|
|
!IsXULElement(nsGkAtoms::command)) {
|
|
// Check that we really have an xul command event. That will be handled
|
|
// in a special way.
|
|
nsCOMPtr<nsIDOMXULCommandEvent> xulEvent =
|
|
do_QueryInterface(aVisitor.mDOMEvent);
|
|
// See if we have a command elt. If so, we execute on the command
|
|
// instead of on our content element.
|
|
nsAutoString command;
|
|
if (xulEvent && GetAttr(kNameSpaceID_None, nsGkAtoms::command, command) &&
|
|
!command.IsEmpty()) {
|
|
// Stop building the event target chain for the original event.
|
|
// We don't want it to propagate to any DOM nodes.
|
|
aVisitor.mCanHandle = false;
|
|
aVisitor.mAutomaticChromeDispatch = false;
|
|
|
|
// XXX sXBL/XBL2 issue! Owner or current document?
|
|
nsCOMPtr<nsIDOMDocument> domDoc(do_QueryInterface(GetUncomposedDoc()));
|
|
NS_ENSURE_STATE(domDoc);
|
|
nsCOMPtr<nsIDOMElement> commandElt;
|
|
domDoc->GetElementById(command, getter_AddRefs(commandElt));
|
|
nsCOMPtr<nsIContent> commandContent(do_QueryInterface(commandElt));
|
|
if (commandContent) {
|
|
// Create a new command event to dispatch to the element
|
|
// pointed to by the command attribute. The new event's
|
|
// sourceEvent will be the original command event that we're
|
|
// handling.
|
|
nsCOMPtr<nsIDOMEvent> domEvent = aVisitor.mDOMEvent;
|
|
while (domEvent) {
|
|
Event* event = domEvent->InternalDOMEvent();
|
|
NS_ENSURE_STATE(!SameCOMIdentity(event->GetOriginalTarget(),
|
|
commandContent));
|
|
nsCOMPtr<nsIDOMXULCommandEvent> commandEvent =
|
|
do_QueryInterface(domEvent);
|
|
if (commandEvent) {
|
|
commandEvent->GetSourceEvent(getter_AddRefs(domEvent));
|
|
} else {
|
|
domEvent = nullptr;
|
|
}
|
|
}
|
|
|
|
WidgetInputEvent* orig = aVisitor.mEvent->AsInputEvent();
|
|
nsContentUtils::DispatchXULCommand(
|
|
commandContent,
|
|
aVisitor.mEvent->IsTrusted(),
|
|
aVisitor.mDOMEvent,
|
|
nullptr,
|
|
orig->IsControl(),
|
|
orig->IsAlt(),
|
|
orig->IsShift(),
|
|
orig->IsMeta());
|
|
} else {
|
|
NS_WARNING("A XUL element is attached to a command that doesn't exist!\n");
|
|
}
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
return nsStyledElement::PreHandleEvent(aVisitor);
|
|
}
|
|
|
|
// XXX This _should_ be an implementation method, _not_ publicly exposed :-(
|
|
NS_IMETHODIMP
|
|
nsXULElement::GetResource(nsIRDFResource** aResource)
|
|
{
|
|
ErrorResult rv;
|
|
*aResource = GetResource(rv).take();
|
|
return rv.StealNSResult();
|
|
}
|
|
|
|
already_AddRefed<nsIRDFResource>
|
|
nsXULElement::GetResource(ErrorResult& rv)
|
|
{
|
|
nsAutoString id;
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::ref, id);
|
|
if (id.IsEmpty()) {
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::id, id);
|
|
}
|
|
|
|
if (id.IsEmpty()) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIRDFResource> resource;
|
|
rv = nsXULContentUtils::RDFService()->
|
|
GetUnicodeResource(id, getter_AddRefs(resource));
|
|
return resource.forget();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXULElement::GetDatabase(nsIRDFCompositeDataSource** aDatabase)
|
|
{
|
|
*aDatabase = GetDatabase().take();
|
|
return NS_OK;
|
|
}
|
|
|
|
already_AddRefed<nsIRDFCompositeDataSource>
|
|
nsXULElement::GetDatabase()
|
|
{
|
|
nsCOMPtr<nsIXULTemplateBuilder> builder = GetBuilder();
|
|
if (!builder) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIRDFCompositeDataSource> database;
|
|
builder->GetDatabase(getter_AddRefs(database));
|
|
return database.forget();
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsXULElement::GetBuilder(nsIXULTemplateBuilder** aBuilder)
|
|
{
|
|
*aBuilder = GetBuilder().take();
|
|
return NS_OK;
|
|
}
|
|
|
|
already_AddRefed<nsIXULTemplateBuilder>
|
|
nsXULElement::GetBuilder()
|
|
{
|
|
// XXX sXBL/XBL2 issue! Owner or current document?
|
|
nsCOMPtr<nsIXULDocument> xuldoc = do_QueryInterface(GetUncomposedDoc());
|
|
if (!xuldoc) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIXULTemplateBuilder> builder;
|
|
xuldoc->GetTemplateBuilderFor(this, getter_AddRefs(builder));
|
|
return builder.forget();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// Implementation methods
|
|
|
|
NS_IMETHODIMP
|
|
nsXULElement::WalkContentStyleRules(nsRuleWalker* aRuleWalker)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsChangeHint
|
|
nsXULElement::GetAttributeChangeHint(const nsIAtom* aAttribute,
|
|
int32_t aModType) const
|
|
{
|
|
nsChangeHint retval(nsChangeHint(0));
|
|
|
|
if (aAttribute == nsGkAtoms::value &&
|
|
(aModType == nsIDOMMutationEvent::REMOVAL ||
|
|
aModType == nsIDOMMutationEvent::ADDITION)) {
|
|
if (IsAnyOfXULElements(nsGkAtoms::label, nsGkAtoms::description))
|
|
// Label and description dynamically morph between a normal
|
|
// block and a cropping single-line XUL text frame. If the
|
|
// value attribute is being added or removed, then we need to
|
|
// return a hint of frame change. (See bugzilla bug 95475 for
|
|
// details.)
|
|
retval = nsChangeHint_ReconstructFrame;
|
|
} else {
|
|
// if left or top changes we reflow. This will happen in xul
|
|
// containers that manage positioned children such as a stack.
|
|
if (nsGkAtoms::left == aAttribute || nsGkAtoms::top == aAttribute ||
|
|
nsGkAtoms::right == aAttribute || nsGkAtoms::bottom == aAttribute ||
|
|
nsGkAtoms::start == aAttribute || nsGkAtoms::end == aAttribute)
|
|
retval = NS_STYLE_HINT_REFLOW;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
NS_IMETHODIMP_(bool)
|
|
nsXULElement::IsAttributeMapped(const nsIAtom* aAttribute) const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Controllers Methods
|
|
NS_IMETHODIMP
|
|
nsXULElement::GetControllers(nsIControllers** aResult)
|
|
{
|
|
ErrorResult rv;
|
|
NS_IF_ADDREF(*aResult = GetControllers(rv));
|
|
return rv.StealNSResult();
|
|
}
|
|
|
|
nsIControllers*
|
|
nsXULElement::GetControllers(ErrorResult& rv)
|
|
{
|
|
if (! Controllers()) {
|
|
nsDOMSlots* slots = DOMSlots();
|
|
|
|
rv = NS_NewXULControllers(nullptr, NS_GET_IID(nsIControllers),
|
|
reinterpret_cast<void**>(&slots->mControllers));
|
|
|
|
NS_ASSERTION(!rv.Failed(), "unable to create a controllers");
|
|
if (rv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
return Controllers();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXULElement::GetBoxObject(nsIBoxObject** aResult)
|
|
{
|
|
ErrorResult rv;
|
|
*aResult = GetBoxObject(rv).take();
|
|
return rv.StealNSResult();
|
|
}
|
|
|
|
already_AddRefed<BoxObject>
|
|
nsXULElement::GetBoxObject(ErrorResult& rv)
|
|
{
|
|
// XXX sXBL/XBL2 issue! Owner or current document?
|
|
return OwnerDoc()->GetBoxObjectFor(this, rv);
|
|
}
|
|
|
|
// Methods for setting/getting attributes from nsIDOMXULElement
|
|
#define NS_IMPL_XUL_STRING_ATTR(_method, _atom) \
|
|
NS_IMETHODIMP \
|
|
nsXULElement::Get##_method(nsAString& aReturn) \
|
|
{ \
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::_atom, aReturn); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHODIMP \
|
|
nsXULElement::Set##_method(const nsAString& aValue) \
|
|
{ \
|
|
return SetAttr(kNameSpaceID_None, nsGkAtoms::_atom, aValue, \
|
|
true); \
|
|
}
|
|
|
|
#define NS_IMPL_XUL_BOOL_ATTR(_method, _atom) \
|
|
NS_IMETHODIMP \
|
|
nsXULElement::Get##_method(bool* aResult) \
|
|
{ \
|
|
*aResult = _method(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHODIMP \
|
|
nsXULElement::Set##_method(bool aValue) \
|
|
{ \
|
|
SetXULBoolAttr(nsGkAtoms::_atom, aValue); \
|
|
return NS_OK; \
|
|
}
|
|
|
|
|
|
NS_IMPL_XUL_STRING_ATTR(Align, align)
|
|
NS_IMPL_XUL_STRING_ATTR(Dir, dir)
|
|
NS_IMPL_XUL_STRING_ATTR(Flex, flex)
|
|
NS_IMPL_XUL_STRING_ATTR(FlexGroup, flexgroup)
|
|
NS_IMPL_XUL_STRING_ATTR(Ordinal, ordinal)
|
|
NS_IMPL_XUL_STRING_ATTR(Orient, orient)
|
|
NS_IMPL_XUL_STRING_ATTR(Pack, pack)
|
|
NS_IMPL_XUL_BOOL_ATTR(Hidden, hidden)
|
|
NS_IMPL_XUL_BOOL_ATTR(Collapsed, collapsed)
|
|
NS_IMPL_XUL_BOOL_ATTR(AllowEvents, allowevents)
|
|
NS_IMPL_XUL_STRING_ATTR(Observes, observes)
|
|
NS_IMPL_XUL_STRING_ATTR(Menu, menu)
|
|
NS_IMPL_XUL_STRING_ATTR(ContextMenu, contextmenu)
|
|
NS_IMPL_XUL_STRING_ATTR(Tooltip, tooltip)
|
|
NS_IMPL_XUL_STRING_ATTR(Width, width)
|
|
NS_IMPL_XUL_STRING_ATTR(Height, height)
|
|
NS_IMPL_XUL_STRING_ATTR(MinWidth, minwidth)
|
|
NS_IMPL_XUL_STRING_ATTR(MinHeight, minheight)
|
|
NS_IMPL_XUL_STRING_ATTR(MaxWidth, maxwidth)
|
|
NS_IMPL_XUL_STRING_ATTR(MaxHeight, maxheight)
|
|
NS_IMPL_XUL_STRING_ATTR(Persist, persist)
|
|
NS_IMPL_XUL_STRING_ATTR(Left, left)
|
|
NS_IMPL_XUL_STRING_ATTR(Top, top)
|
|
NS_IMPL_XUL_STRING_ATTR(Datasources, datasources)
|
|
NS_IMPL_XUL_STRING_ATTR(Ref, ref)
|
|
NS_IMPL_XUL_STRING_ATTR(TooltipText, tooltiptext)
|
|
NS_IMPL_XUL_STRING_ATTR(StatusText, statustext)
|
|
|
|
nsresult
|
|
nsXULElement::LoadSrc()
|
|
{
|
|
// Allow frame loader only on objects for which a container box object
|
|
// can be obtained.
|
|
if (!IsAnyOfXULElements(nsGkAtoms::browser, nsGkAtoms::editor,
|
|
nsGkAtoms::iframe)) {
|
|
return NS_OK;
|
|
}
|
|
if (!IsInUncomposedDoc() ||
|
|
!OwnerDoc()->GetRootElement() ||
|
|
OwnerDoc()->GetRootElement()->
|
|
NodeInfo()->Equals(nsGkAtoms::overlay, kNameSpaceID_XUL)) {
|
|
return NS_OK;
|
|
}
|
|
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
|
|
if (!frameLoader) {
|
|
// Check if we have an opener we need to be setting
|
|
nsXULSlots* slots = static_cast<nsXULSlots*>(Slots());
|
|
nsCOMPtr<nsPIDOMWindowOuter> opener = do_QueryInterface(slots->mFrameLoaderOrOpener);
|
|
if (!opener) {
|
|
// If we are a content-primary xul-browser, we want to take the opener property!
|
|
nsCOMPtr<nsIDOMChromeWindow> chromeWindow = do_QueryInterface(OwnerDoc()->GetWindow());
|
|
if (AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
|
|
NS_LITERAL_STRING("content-primary"), eIgnoreCase) &&
|
|
chromeWindow) {
|
|
nsCOMPtr<mozIDOMWindowProxy> wp;
|
|
chromeWindow->TakeOpenerForInitialContentBrowser(getter_AddRefs(wp));
|
|
opener = nsPIDOMWindowOuter::From(wp);
|
|
}
|
|
}
|
|
|
|
// false as the last parameter so that xul:iframe/browser/editor
|
|
// session history handling works like dynamic html:iframes.
|
|
// Usually xul elements are used in chrome, which doesn't have
|
|
// session history at all.
|
|
frameLoader = nsFrameLoader::Create(this, opener, false);
|
|
slots->mFrameLoaderOrOpener = static_cast<nsIFrameLoader*>(frameLoader);
|
|
NS_ENSURE_TRUE(frameLoader, NS_OK);
|
|
|
|
(new AsyncEventDispatcher(this,
|
|
NS_LITERAL_STRING("XULFrameLoaderCreated"),
|
|
/* aBubbles */ true))->RunDOMEventWhenSafe();
|
|
|
|
if (AttrValueIs(kNameSpaceID_None, nsGkAtoms::prerendered,
|
|
NS_LITERAL_STRING("true"), eIgnoreCase)) {
|
|
nsresult rv = frameLoader->SetIsPrerendered();
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
}
|
|
}
|
|
|
|
return frameLoader->LoadFrame();
|
|
}
|
|
|
|
nsresult
|
|
nsXULElement::GetFrameLoaderXPCOM(nsIFrameLoader **aFrameLoader)
|
|
{
|
|
*aFrameLoader = GetFrameLoader().take();
|
|
return NS_OK;
|
|
}
|
|
|
|
already_AddRefed<nsFrameLoader>
|
|
nsXULElement::GetFrameLoader()
|
|
{
|
|
nsXULSlots* slots = static_cast<nsXULSlots*>(GetExistingSlots());
|
|
if (!slots)
|
|
return nullptr;
|
|
|
|
nsCOMPtr<nsIFrameLoader> loader = do_QueryInterface(slots->mFrameLoaderOrOpener);
|
|
return already_AddRefed<nsFrameLoader>(static_cast<nsFrameLoader*>(loader.forget().take()));
|
|
}
|
|
|
|
nsresult
|
|
nsXULElement::GetParentApplication(mozIApplication** aApplication)
|
|
{
|
|
if (!aApplication) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
*aApplication = nullptr;
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsXULElement::PresetOpenerWindow(mozIDOMWindowProxy* aWindow, ErrorResult& aRv)
|
|
{
|
|
nsXULSlots* slots = static_cast<nsXULSlots*>(Slots());
|
|
MOZ_ASSERT(!slots->mFrameLoaderOrOpener, "A frameLoader or opener is present when calling PresetOpenerWindow");
|
|
|
|
slots->mFrameLoaderOrOpener = aWindow;
|
|
}
|
|
|
|
nsresult
|
|
nsXULElement::SetIsPrerendered()
|
|
{
|
|
return SetAttr(kNameSpaceID_None, nsGkAtoms::prerendered, nullptr,
|
|
NS_LITERAL_STRING("true"), true);
|
|
}
|
|
|
|
void
|
|
nsXULElement::InternalSetFrameLoader(nsIFrameLoader* aNewFrameLoader)
|
|
{
|
|
nsXULSlots* slots = static_cast<nsXULSlots*>(GetExistingDOMSlots());
|
|
MOZ_ASSERT(slots);
|
|
|
|
slots->mFrameLoaderOrOpener = aNewFrameLoader;
|
|
}
|
|
|
|
void
|
|
nsXULElement::SwapFrameLoaders(HTMLIFrameElement& aOtherLoaderOwner,
|
|
ErrorResult& rv)
|
|
{
|
|
if (!GetExistingDOMSlots()) {
|
|
rv.Throw(NS_ERROR_NOT_IMPLEMENTED);
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIFrameLoaderOwner> flo = do_QueryInterface(static_cast<nsIDOMXULElement*>(this));
|
|
aOtherLoaderOwner.SwapFrameLoaders(flo, rv);
|
|
}
|
|
|
|
void
|
|
nsXULElement::SwapFrameLoaders(nsXULElement& aOtherLoaderOwner,
|
|
ErrorResult& rv)
|
|
{
|
|
if (&aOtherLoaderOwner == this) {
|
|
// nothing to do
|
|
return;
|
|
}
|
|
|
|
if (!GetExistingDOMSlots()) {
|
|
rv.Throw(NS_ERROR_NOT_IMPLEMENTED);
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIFrameLoaderOwner> flo = do_QueryInterface(static_cast<nsIDOMXULElement*>(this));
|
|
aOtherLoaderOwner.SwapFrameLoaders(flo, rv);
|
|
}
|
|
|
|
void
|
|
nsXULElement::SwapFrameLoaders(nsIFrameLoaderOwner* aOtherLoaderOwner,
|
|
mozilla::ErrorResult& rv)
|
|
{
|
|
if (!GetExistingDOMSlots()) {
|
|
rv.Throw(NS_ERROR_NOT_IMPLEMENTED);
|
|
return;
|
|
}
|
|
|
|
RefPtr<nsFrameLoader> loader = GetFrameLoader();
|
|
RefPtr<nsFrameLoader> otherLoader = aOtherLoaderOwner->GetFrameLoader();
|
|
if (!loader || !otherLoader) {
|
|
rv.Throw(NS_ERROR_NOT_IMPLEMENTED);
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIFrameLoaderOwner> flo = do_QueryInterface(static_cast<nsIDOMXULElement*>(this));
|
|
rv = loader->SwapWithOtherLoader(otherLoader, flo, aOtherLoaderOwner);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXULElement::GetParentTree(nsIDOMXULMultiSelectControlElement** aTreeElement)
|
|
{
|
|
for (nsIContent* current = GetParent(); current;
|
|
current = current->GetParent()) {
|
|
if (current->NodeInfo()->Equals(nsGkAtoms::listbox,
|
|
kNameSpaceID_XUL)) {
|
|
CallQueryInterface(current, aTreeElement);
|
|
// XXX returning NS_OK because that's what the code used to do;
|
|
// is that the right thing, though?
|
|
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXULElement::Focus()
|
|
{
|
|
ErrorResult rv;
|
|
Focus(rv);
|
|
return rv.StealNSResult();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXULElement::Blur()
|
|
{
|
|
ErrorResult rv;
|
|
Blur(rv);
|
|
return rv.StealNSResult();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXULElement::Click()
|
|
{
|
|
return ClickWithInputSource(nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN, /* aIsTrusted = */ true);
|
|
}
|
|
|
|
void
|
|
nsXULElement::Click(ErrorResult& rv)
|
|
{
|
|
rv = ClickWithInputSource(nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN, nsContentUtils::IsCallerChrome());
|
|
}
|
|
|
|
nsresult
|
|
nsXULElement::ClickWithInputSource(uint16_t aInputSource, bool aIsTrustedEvent)
|
|
{
|
|
if (BoolAttrIsTrue(nsGkAtoms::disabled))
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIDocument> doc = GetComposedDoc(); // Strong just in case
|
|
if (doc) {
|
|
nsCOMPtr<nsIPresShell> shell = doc->GetShell();
|
|
if (shell) {
|
|
// strong ref to PresContext so events don't destroy it
|
|
RefPtr<nsPresContext> context = shell->GetPresContext();
|
|
|
|
WidgetMouseEvent eventDown(aIsTrustedEvent, eMouseDown,
|
|
nullptr, WidgetMouseEvent::eReal);
|
|
WidgetMouseEvent eventUp(aIsTrustedEvent, eMouseUp,
|
|
nullptr, WidgetMouseEvent::eReal);
|
|
WidgetMouseEvent eventClick(aIsTrustedEvent, eMouseClick, nullptr,
|
|
WidgetMouseEvent::eReal);
|
|
eventDown.inputSource = eventUp.inputSource = eventClick.inputSource
|
|
= aInputSource;
|
|
|
|
// send mouse down
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
EventDispatcher::Dispatch(static_cast<nsIContent*>(this),
|
|
context, &eventDown, nullptr, &status);
|
|
|
|
// send mouse up
|
|
status = nsEventStatus_eIgnore; // reset status
|
|
EventDispatcher::Dispatch(static_cast<nsIContent*>(this),
|
|
context, &eventUp, nullptr, &status);
|
|
|
|
// send mouse click
|
|
status = nsEventStatus_eIgnore; // reset status
|
|
EventDispatcher::Dispatch(static_cast<nsIContent*>(this),
|
|
context, &eventClick, nullptr, &status);
|
|
|
|
// If the click has been prevented, lets skip the command call
|
|
// this is how a physical click works
|
|
if (status == nsEventStatus_eConsumeNoDefault) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
// oncommand is fired when an element is clicked...
|
|
return DoCommand();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXULElement::DoCommand()
|
|
{
|
|
nsCOMPtr<nsIDocument> doc = GetComposedDoc(); // strong just in case
|
|
if (doc) {
|
|
nsContentUtils::DispatchXULCommand(this, true);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsIContent *
|
|
nsXULElement::GetBindingParent() const
|
|
{
|
|
return mBindingParent;
|
|
}
|
|
|
|
bool
|
|
nsXULElement::IsNodeOfType(uint32_t aFlags) const
|
|
{
|
|
return !(aFlags & ~eCONTENT);
|
|
}
|
|
|
|
nsresult
|
|
nsXULElement::AddPopupListener(nsIAtom* aName)
|
|
{
|
|
// Add a popup listener to the element
|
|
bool isContext = (aName == nsGkAtoms::context ||
|
|
aName == nsGkAtoms::contextmenu);
|
|
uint32_t listenerFlag = isContext ?
|
|
XUL_ELEMENT_HAS_CONTENTMENU_LISTENER :
|
|
XUL_ELEMENT_HAS_POPUP_LISTENER;
|
|
|
|
if (HasFlag(listenerFlag)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMEventListener> listener =
|
|
new nsXULPopupListener(this, isContext);
|
|
|
|
// Add the popup as a listener on this element.
|
|
EventListenerManager* manager = GetOrCreateListenerManager();
|
|
SetFlags(listenerFlag);
|
|
|
|
if (isContext) {
|
|
manager->AddEventListenerByType(listener,
|
|
NS_LITERAL_STRING("contextmenu"),
|
|
TrustedEventsAtSystemGroupBubble());
|
|
} else {
|
|
manager->AddEventListenerByType(listener,
|
|
NS_LITERAL_STRING("mousedown"),
|
|
TrustedEventsAtSystemGroupBubble());
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
EventStates
|
|
nsXULElement::IntrinsicState() const
|
|
{
|
|
EventStates state = nsStyledElement::IntrinsicState();
|
|
|
|
if (IsReadWriteTextElement()) {
|
|
state |= NS_EVENT_STATE_MOZ_READWRITE;
|
|
state &= ~NS_EVENT_STATE_MOZ_READONLY;
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
nsresult
|
|
nsXULElement::MakeHeavyweight(nsXULPrototypeElement* aPrototype)
|
|
{
|
|
if (!aPrototype) {
|
|
return NS_OK;
|
|
}
|
|
|
|
uint32_t i;
|
|
nsresult rv;
|
|
for (i = 0; i < aPrototype->mNumAttributes; ++i) {
|
|
nsXULPrototypeAttribute* protoattr = &aPrototype->mAttributes[i];
|
|
nsAttrValue attrValue;
|
|
|
|
// Style rules need to be cloned.
|
|
if (protoattr->mValue.Type() == nsAttrValue::eCSSDeclaration) {
|
|
DeclarationBlock* decl = protoattr->mValue.GetCSSDeclarationValue();
|
|
RefPtr<css::Declaration>
|
|
declClone = new css::Declaration(*decl->AsGecko());
|
|
|
|
nsString stringValue;
|
|
protoattr->mValue.ToString(stringValue);
|
|
|
|
attrValue.SetTo(declClone.forget(), &stringValue);
|
|
} else {
|
|
attrValue.SetTo(protoattr->mValue);
|
|
}
|
|
|
|
// XXX we might wanna have a SetAndTakeAttr that takes an nsAttrName
|
|
if (protoattr->mName.IsAtom()) {
|
|
rv = mAttrsAndChildren.SetAndSwapAttr(protoattr->mName.Atom(), attrValue);
|
|
} else {
|
|
rv = mAttrsAndChildren.SetAndSwapAttr(protoattr->mName.NodeInfo(),
|
|
attrValue);
|
|
}
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsXULElement::HideWindowChrome(bool aShouldHide)
|
|
{
|
|
nsIDocument* doc = GetUncomposedDoc();
|
|
if (!doc || doc->GetRootElement() != this)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
// only top level chrome documents can hide the window chrome
|
|
if (!doc->IsRootDisplayDocument())
|
|
return NS_OK;
|
|
|
|
nsIPresShell *shell = doc->GetShell();
|
|
|
|
if (shell) {
|
|
nsIFrame* frame = GetPrimaryFrame();
|
|
|
|
nsPresContext *presContext = shell->GetPresContext();
|
|
|
|
if (frame && presContext && presContext->IsChrome()) {
|
|
nsView* view = frame->GetClosestView();
|
|
|
|
if (view) {
|
|
nsIWidget* w = view->GetWidget();
|
|
NS_ENSURE_STATE(w);
|
|
w->HideWindowChrome(aShouldHide);
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsIWidget*
|
|
nsXULElement::GetWindowWidget()
|
|
{
|
|
nsIDocument* doc = GetComposedDoc();
|
|
|
|
// only top level chrome documents can set the titlebar color
|
|
if (doc && doc->IsRootDisplayDocument()) {
|
|
nsCOMPtr<nsISupports> container = doc->GetContainer();
|
|
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(container);
|
|
if (baseWindow) {
|
|
nsCOMPtr<nsIWidget> mainWidget;
|
|
baseWindow->GetMainWidget(getter_AddRefs(mainWidget));
|
|
return mainWidget;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void
|
|
nsXULElement::SetTitlebarColor(nscolor aColor, bool aActive)
|
|
{
|
|
nsIWidget* mainWidget = GetWindowWidget();
|
|
if (mainWidget) {
|
|
mainWidget->SetWindowTitlebarColor(aColor, aActive);
|
|
}
|
|
}
|
|
|
|
class SetDrawInTitleBarEvent : public Runnable
|
|
{
|
|
public:
|
|
SetDrawInTitleBarEvent(nsIWidget* aWidget, bool aState)
|
|
: mWidget(aWidget)
|
|
, mState(aState)
|
|
{}
|
|
|
|
NS_IMETHOD Run() override {
|
|
NS_ASSERTION(mWidget, "You shouldn't call this runnable with a null widget!");
|
|
|
|
mWidget->SetDrawsInTitlebar(mState);
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
nsCOMPtr<nsIWidget> mWidget;
|
|
bool mState;
|
|
};
|
|
|
|
void
|
|
nsXULElement::SetDrawsInTitlebar(bool aState)
|
|
{
|
|
nsIWidget* mainWidget = GetWindowWidget();
|
|
if (mainWidget) {
|
|
nsContentUtils::AddScriptRunner(new SetDrawInTitleBarEvent(mainWidget, aState));
|
|
}
|
|
}
|
|
|
|
void
|
|
nsXULElement::SetDrawsTitle(bool aState)
|
|
{
|
|
nsIWidget* mainWidget = GetWindowWidget();
|
|
if (mainWidget) {
|
|
// We can do this synchronously because SetDrawsTitle doesn't have any
|
|
// synchronous effects apart from a harmless invalidation.
|
|
mainWidget->SetDrawsTitle(aState);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsXULElement::UpdateBrightTitlebarForeground(nsIDocument* aDoc)
|
|
{
|
|
nsIWidget* mainWidget = GetWindowWidget();
|
|
if (mainWidget) {
|
|
// We can do this synchronously because SetBrightTitlebarForeground doesn't have any
|
|
// synchronous effects apart from a harmless invalidation.
|
|
mainWidget->SetUseBrightTitlebarForeground(
|
|
aDoc->GetDocumentLWTheme() == nsIDocument::Doc_Theme_Bright ||
|
|
aDoc->GetRootElement()->AttrValueIs(kNameSpaceID_None,
|
|
nsGkAtoms::brighttitlebarforeground,
|
|
NS_LITERAL_STRING("true"),
|
|
eCaseMatters));
|
|
}
|
|
}
|
|
|
|
class MarginSetter : public Runnable
|
|
{
|
|
public:
|
|
explicit MarginSetter(nsIWidget* aWidget) :
|
|
mWidget(aWidget), mMargin(-1, -1, -1, -1)
|
|
{}
|
|
MarginSetter(nsIWidget *aWidget, const LayoutDeviceIntMargin& aMargin) :
|
|
mWidget(aWidget), mMargin(aMargin)
|
|
{}
|
|
|
|
NS_IMETHOD Run() override
|
|
{
|
|
// SetNonClientMargins can dispatch native events, hence doing
|
|
// it off a script runner.
|
|
mWidget->SetNonClientMargins(mMargin);
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
nsCOMPtr<nsIWidget> mWidget;
|
|
LayoutDeviceIntMargin mMargin;
|
|
};
|
|
|
|
void
|
|
nsXULElement::SetChromeMargins(const nsAttrValue* aValue)
|
|
{
|
|
if (!aValue)
|
|
return;
|
|
|
|
nsIWidget* mainWidget = GetWindowWidget();
|
|
if (!mainWidget)
|
|
return;
|
|
|
|
// top, right, bottom, left - see nsAttrValue
|
|
nsIntMargin margins;
|
|
bool gotMargins = false;
|
|
|
|
if (aValue->Type() == nsAttrValue::eIntMarginValue) {
|
|
gotMargins = aValue->GetIntMarginValue(margins);
|
|
} else {
|
|
nsAutoString tmp;
|
|
aValue->ToString(tmp);
|
|
gotMargins = nsContentUtils::ParseIntMarginValue(tmp, margins);
|
|
}
|
|
if (gotMargins) {
|
|
nsContentUtils::AddScriptRunner(
|
|
new MarginSetter(
|
|
mainWidget, LayoutDeviceIntMargin::FromUnknownMargin(margins)));
|
|
}
|
|
}
|
|
|
|
void
|
|
nsXULElement::ResetChromeMargins()
|
|
{
|
|
nsIWidget* mainWidget = GetWindowWidget();
|
|
if (!mainWidget)
|
|
return;
|
|
// See nsIWidget
|
|
nsContentUtils::AddScriptRunner(new MarginSetter(mainWidget));
|
|
}
|
|
|
|
bool
|
|
nsXULElement::BoolAttrIsTrue(nsIAtom* aName) const
|
|
{
|
|
const nsAttrValue* attr =
|
|
GetAttrInfo(kNameSpaceID_None, aName).mValue;
|
|
|
|
return attr && attr->Type() == nsAttrValue::eAtom &&
|
|
attr->GetAtomValue() == nsGkAtoms::_true;
|
|
}
|
|
|
|
void
|
|
nsXULElement::RecompileScriptEventListeners()
|
|
{
|
|
int32_t i, count = mAttrsAndChildren.AttrCount();
|
|
for (i = 0; i < count; ++i) {
|
|
const nsAttrName *name = mAttrsAndChildren.AttrNameAt(i);
|
|
|
|
// Eventlistenener-attributes are always in the null namespace
|
|
if (!name->IsAtom()) {
|
|
continue;
|
|
}
|
|
|
|
nsIAtom *attr = name->Atom();
|
|
if (!nsContentUtils::IsEventAttributeName(attr, EventNameType_XUL)) {
|
|
continue;
|
|
}
|
|
|
|
nsAutoString value;
|
|
GetAttr(kNameSpaceID_None, attr, value);
|
|
SetEventHandler(attr, value, true);
|
|
}
|
|
}
|
|
|
|
bool
|
|
nsXULElement::IsEventAttributeName(nsIAtom *aName)
|
|
{
|
|
return nsContentUtils::IsEventAttributeName(aName, EventNameType_XUL);
|
|
}
|
|
|
|
JSObject*
|
|
nsXULElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
|
|
{
|
|
return dom::XULElementBinding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_CLASS(nsXULPrototypeNode)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsXULPrototypeNode)
|
|
if (tmp->mType == nsXULPrototypeNode::eType_Element) {
|
|
static_cast<nsXULPrototypeElement*>(tmp)->Unlink();
|
|
} else if (tmp->mType == nsXULPrototypeNode::eType_Script) {
|
|
static_cast<nsXULPrototypeScript*>(tmp)->UnlinkJSObjects();
|
|
}
|
|
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsXULPrototypeNode)
|
|
if (tmp->mType == nsXULPrototypeNode::eType_Element) {
|
|
nsXULPrototypeElement *elem =
|
|
static_cast<nsXULPrototypeElement*>(tmp);
|
|
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mNodeInfo");
|
|
cb.NoteNativeChild(elem->mNodeInfo,
|
|
NS_CYCLE_COLLECTION_PARTICIPANT(NodeInfo));
|
|
uint32_t i;
|
|
for (i = 0; i < elem->mNumAttributes; ++i) {
|
|
const nsAttrName& name = elem->mAttributes[i].mName;
|
|
if (!name.IsAtom()) {
|
|
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb,
|
|
"mAttributes[i].mName.NodeInfo()");
|
|
cb.NoteNativeChild(name.NodeInfo(),
|
|
NS_CYCLE_COLLECTION_PARTICIPANT(NodeInfo));
|
|
}
|
|
}
|
|
ImplCycleCollectionTraverse(cb, elem->mChildren, "mChildren");
|
|
}
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
|
|
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(nsXULPrototypeNode)
|
|
if (tmp->mType == nsXULPrototypeNode::eType_Script) {
|
|
nsXULPrototypeScript *script =
|
|
static_cast<nsXULPrototypeScript*>(tmp);
|
|
script->Trace(aCallbacks, aClosure);
|
|
}
|
|
NS_IMPL_CYCLE_COLLECTION_TRACE_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(nsXULPrototypeNode, AddRef)
|
|
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(nsXULPrototypeNode, Release)
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// nsXULPrototypeAttribute
|
|
//
|
|
|
|
nsXULPrototypeAttribute::~nsXULPrototypeAttribute()
|
|
{
|
|
MOZ_COUNT_DTOR(nsXULPrototypeAttribute);
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// nsXULPrototypeElement
|
|
//
|
|
|
|
nsresult
|
|
nsXULPrototypeElement::Serialize(nsIObjectOutputStream* aStream,
|
|
nsXULPrototypeDocument* aProtoDoc,
|
|
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos)
|
|
{
|
|
nsresult rv;
|
|
|
|
// Write basic prototype data
|
|
rv = aStream->Write32(mType);
|
|
|
|
// Write Node Info
|
|
int32_t index = aNodeInfos->IndexOf(mNodeInfo);
|
|
NS_ASSERTION(index >= 0, "unknown mozilla::dom::NodeInfo index");
|
|
nsresult tmp = aStream->Write32(index);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
|
|
// Write Attributes
|
|
tmp = aStream->Write32(mNumAttributes);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
|
|
nsAutoString attributeValue;
|
|
uint32_t i;
|
|
for (i = 0; i < mNumAttributes; ++i) {
|
|
RefPtr<mozilla::dom::NodeInfo> ni;
|
|
if (mAttributes[i].mName.IsAtom()) {
|
|
ni = mNodeInfo->NodeInfoManager()->
|
|
GetNodeInfo(mAttributes[i].mName.Atom(), nullptr,
|
|
kNameSpaceID_None,
|
|
nsIDOMNode::ATTRIBUTE_NODE);
|
|
NS_ASSERTION(ni, "the nodeinfo should already exist");
|
|
} else {
|
|
ni = mAttributes[i].mName.NodeInfo();
|
|
}
|
|
|
|
index = aNodeInfos->IndexOf(ni);
|
|
NS_ASSERTION(index >= 0, "unknown mozilla::dom::NodeInfo index");
|
|
tmp = aStream->Write32(index);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
|
|
mAttributes[i].mValue.ToString(attributeValue);
|
|
tmp = aStream->WriteWStringZ(attributeValue.get());
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
}
|
|
|
|
// Now write children
|
|
tmp = aStream->Write32(uint32_t(mChildren.Length()));
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
for (i = 0; i < mChildren.Length(); i++) {
|
|
nsXULPrototypeNode* child = mChildren[i].get();
|
|
switch (child->mType) {
|
|
case eType_Element:
|
|
case eType_Text:
|
|
case eType_PI:
|
|
tmp = child->Serialize(aStream, aProtoDoc, aNodeInfos);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
break;
|
|
case eType_Script:
|
|
tmp = aStream->Write32(child->mType);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
nsXULPrototypeScript* script = static_cast<nsXULPrototypeScript*>(child);
|
|
|
|
tmp = aStream->Write8(script->mOutOfLine);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
if (! script->mOutOfLine) {
|
|
tmp = script->Serialize(aStream, aProtoDoc, aNodeInfos);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
} else {
|
|
tmp = aStream->WriteCompoundObject(script->mSrcURI,
|
|
NS_GET_IID(nsIURI),
|
|
true);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
|
|
if (script->HasScriptObject()) {
|
|
// This may return NS_OK without muxing script->mSrcURI's
|
|
// data into the cache file, in the case where that
|
|
// muxed document is already there (written by a prior
|
|
// session, or by an earlier cache episode during this
|
|
// session).
|
|
tmp = script->SerializeOutOfLine(aStream, aProtoDoc);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsXULPrototypeElement::Deserialize(nsIObjectInputStream* aStream,
|
|
nsXULPrototypeDocument* aProtoDoc,
|
|
nsIURI* aDocumentURI,
|
|
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos)
|
|
{
|
|
NS_PRECONDITION(aNodeInfos, "missing nodeinfo array");
|
|
|
|
// Read Node Info
|
|
uint32_t number = 0;
|
|
nsresult rv = aStream->Read32(&number);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
mNodeInfo = aNodeInfos->SafeElementAt(number, nullptr);
|
|
if (!mNodeInfo) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
// Read Attributes
|
|
rv = aStream->Read32(&number);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
mNumAttributes = int32_t(number);
|
|
|
|
if (mNumAttributes > 0) {
|
|
mAttributes = new (fallible) nsXULPrototypeAttribute[mNumAttributes];
|
|
if (!mAttributes) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
nsAutoString attributeValue;
|
|
for (uint32_t i = 0; i < mNumAttributes; ++i) {
|
|
rv = aStream->Read32(&number);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
mozilla::dom::NodeInfo* ni = aNodeInfos->SafeElementAt(number, nullptr);
|
|
if (!ni) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
mAttributes[i].mName.SetTo(ni);
|
|
|
|
rv = aStream->ReadString(attributeValue);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
rv = SetAttrAt(i, attributeValue, aDocumentURI);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
}
|
|
}
|
|
|
|
rv = aStream->Read32(&number);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
uint32_t numChildren = int32_t(number);
|
|
|
|
if (numChildren > 0) {
|
|
if (!mChildren.SetCapacity(numChildren, fallible)) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
for (uint32_t i = 0; i < numChildren; i++) {
|
|
rv = aStream->Read32(&number);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
Type childType = (Type)number;
|
|
|
|
RefPtr<nsXULPrototypeNode> child;
|
|
|
|
switch (childType) {
|
|
case eType_Element:
|
|
child = new nsXULPrototypeElement();
|
|
rv = child->Deserialize(aStream, aProtoDoc, aDocumentURI,
|
|
aNodeInfos);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
break;
|
|
case eType_Text:
|
|
child = new nsXULPrototypeText();
|
|
rv = child->Deserialize(aStream, aProtoDoc, aDocumentURI,
|
|
aNodeInfos);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
break;
|
|
case eType_PI:
|
|
child = new nsXULPrototypePI();
|
|
rv = child->Deserialize(aStream, aProtoDoc, aDocumentURI,
|
|
aNodeInfos);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
break;
|
|
case eType_Script: {
|
|
// language version/options obtained during deserialization.
|
|
RefPtr<nsXULPrototypeScript> script = new nsXULPrototypeScript(0, 0);
|
|
|
|
rv = aStream->ReadBoolean(&script->mOutOfLine);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
if (!script->mOutOfLine) {
|
|
rv = script->Deserialize(aStream, aProtoDoc, aDocumentURI,
|
|
aNodeInfos);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
} else {
|
|
nsCOMPtr<nsISupports> supports;
|
|
rv = aStream->ReadObject(true, getter_AddRefs(supports));
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
script->mSrcURI = do_QueryInterface(supports);
|
|
|
|
rv = script->DeserializeOutOfLine(aStream, aProtoDoc);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) return rv;
|
|
}
|
|
|
|
child = script.forget();
|
|
break;
|
|
}
|
|
default:
|
|
MOZ_ASSERT(false, "Unexpected child type!");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
MOZ_ASSERT(child, "Don't append null to mChildren");
|
|
MOZ_ASSERT(child->mType == childType);
|
|
mChildren.AppendElement(child);
|
|
|
|
// Oh dear. Something failed during the deserialization.
|
|
// We don't know what. But likely consequences of failed
|
|
// deserializations included calls to |AbortCaching| which
|
|
// shuts down the cache and closes our streams.
|
|
// If that happens, next time through this loop, we die a messy
|
|
// death. So, let's just fail now, and propagate that failure
|
|
// upward so that the ChromeProtocolHandler knows it can't use
|
|
// a cached chrome channel for this.
|
|
if (NS_WARN_IF(NS_FAILED(rv)))
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsXULPrototypeElement::SetAttrAt(uint32_t aPos, const nsAString& aValue,
|
|
nsIURI* aDocumentURI)
|
|
{
|
|
NS_PRECONDITION(aPos < mNumAttributes, "out-of-bounds");
|
|
|
|
// WARNING!!
|
|
// This code is largely duplicated in nsXULElement::SetAttr.
|
|
// Any changes should be made to both functions.
|
|
|
|
if (!mNodeInfo->NamespaceEquals(kNameSpaceID_XUL)) {
|
|
mAttributes[aPos].mValue.ParseStringOrAtom(aValue);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mAttributes[aPos].mName.Equals(nsGkAtoms::id) &&
|
|
!aValue.IsEmpty()) {
|
|
mHasIdAttribute = true;
|
|
// Store id as atom.
|
|
// id="" means that the element has no id. Not that it has
|
|
// emptystring as id.
|
|
mAttributes[aPos].mValue.ParseAtom(aValue);
|
|
|
|
return NS_OK;
|
|
} else if (mAttributes[aPos].mName.Equals(nsGkAtoms::_class)) {
|
|
mHasClassAttribute = true;
|
|
// Compute the element's class list
|
|
mAttributes[aPos].mValue.ParseAtomArray(aValue);
|
|
|
|
return NS_OK;
|
|
} else if (mAttributes[aPos].mName.Equals(nsGkAtoms::style)) {
|
|
mHasStyleAttribute = true;
|
|
// Parse the element's 'style' attribute
|
|
|
|
nsCSSParser parser;
|
|
|
|
// XXX Get correct Base URI (need GetBaseURI on *prototype* element)
|
|
// TODO: If we implement Content Security Policy for chrome documents
|
|
// as has been discussed, the CSP should be checked here to see if
|
|
// inline styles are allowed to be applied.
|
|
RefPtr<css::Declaration> declaration =
|
|
parser.ParseStyleAttribute(aValue, aDocumentURI, aDocumentURI,
|
|
// This is basically duplicating what
|
|
// nsINode::NodePrincipal() does
|
|
mNodeInfo->NodeInfoManager()->
|
|
DocumentPrincipal());
|
|
if (declaration) {
|
|
mAttributes[aPos].mValue.SetTo(declaration.forget(), &aValue);
|
|
|
|
return NS_OK;
|
|
}
|
|
// Don't abort if parsing failed, it could just be malformed css.
|
|
}
|
|
|
|
mAttributes[aPos].mValue.ParseStringOrAtom(aValue);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsXULPrototypeElement::Unlink()
|
|
{
|
|
mNumAttributes = 0;
|
|
delete[] mAttributes;
|
|
mAttributes = nullptr;
|
|
mChildren.Clear();
|
|
}
|
|
|
|
void
|
|
nsXULPrototypeElement::TraceAllScripts(JSTracer* aTrc)
|
|
{
|
|
for (uint32_t i = 0; i < mChildren.Length(); ++i) {
|
|
nsXULPrototypeNode* child = mChildren[i];
|
|
if (child->mType == nsXULPrototypeNode::eType_Element) {
|
|
static_cast<nsXULPrototypeElement*>(child)->TraceAllScripts(aTrc);
|
|
} else if (child->mType == nsXULPrototypeNode::eType_Script) {
|
|
static_cast<nsXULPrototypeScript*>(child)->TraceScriptObject(aTrc);
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// nsXULPrototypeScript
|
|
//
|
|
|
|
nsXULPrototypeScript::nsXULPrototypeScript(uint32_t aLineNo, uint32_t aVersion)
|
|
: nsXULPrototypeNode(eType_Script),
|
|
mLineNo(aLineNo),
|
|
mSrcLoading(false),
|
|
mOutOfLine(true),
|
|
mSrcLoadWaiters(nullptr),
|
|
mLangVersion(aVersion),
|
|
mScriptObject(nullptr)
|
|
{
|
|
}
|
|
|
|
|
|
nsXULPrototypeScript::~nsXULPrototypeScript()
|
|
{
|
|
UnlinkJSObjects();
|
|
}
|
|
|
|
nsresult
|
|
nsXULPrototypeScript::Serialize(nsIObjectOutputStream* aStream,
|
|
nsXULPrototypeDocument* aProtoDoc,
|
|
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos)
|
|
{
|
|
NS_ENSURE_TRUE(aProtoDoc, NS_ERROR_UNEXPECTED);
|
|
|
|
AutoJSAPI jsapi;
|
|
if (!jsapi.Init(xpc::CompilationScope())) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
NS_ASSERTION(!mSrcLoading || mSrcLoadWaiters != nullptr ||
|
|
!mScriptObject,
|
|
"script source still loading when serializing?!");
|
|
if (!mScriptObject)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Write basic prototype data
|
|
nsresult rv;
|
|
rv = aStream->Write32(mLineNo);
|
|
if (NS_FAILED(rv)) return rv;
|
|
rv = aStream->Write32(mLangVersion);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
JSContext* cx = jsapi.cx();
|
|
JS::Rooted<JSScript*> script(cx, mScriptObject);
|
|
MOZ_ASSERT(xpc::CompilationScope() == JS::CurrentGlobalOrNull(cx));
|
|
return nsContentUtils::XPConnect()->WriteScript(aStream, cx, script);
|
|
}
|
|
|
|
nsresult
|
|
nsXULPrototypeScript::SerializeOutOfLine(nsIObjectOutputStream* aStream,
|
|
nsXULPrototypeDocument* aProtoDoc)
|
|
{
|
|
nsresult rv = NS_ERROR_NOT_IMPLEMENTED;
|
|
|
|
bool isChrome = false;
|
|
if (NS_FAILED(mSrcURI->SchemeIs("chrome", &isChrome)) || !isChrome)
|
|
// Don't cache scripts that don't come from chrome uris.
|
|
return rv;
|
|
|
|
nsXULPrototypeCache* cache = nsXULPrototypeCache::GetInstance();
|
|
if (!cache)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
NS_ASSERTION(cache->IsEnabled(),
|
|
"writing to the cache file, but the XUL cache is off?");
|
|
bool exists;
|
|
cache->HasData(mSrcURI, &exists);
|
|
|
|
/* return will be NS_OK from GetAsciiSpec.
|
|
* that makes no sense.
|
|
* nor does returning NS_OK from HasMuxedDocument.
|
|
* XXX return something meaningful.
|
|
*/
|
|
if (exists)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIObjectOutputStream> oos;
|
|
rv = cache->GetOutputStream(mSrcURI, getter_AddRefs(oos));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsresult tmp = Serialize(oos, aProtoDoc, nullptr);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
tmp = cache->FinishOutputStream(mSrcURI);
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
|
|
if (NS_FAILED(rv))
|
|
cache->AbortCaching();
|
|
return rv;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsXULPrototypeScript::Deserialize(nsIObjectInputStream* aStream,
|
|
nsXULPrototypeDocument* aProtoDoc,
|
|
nsIURI* aDocumentURI,
|
|
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos)
|
|
{
|
|
nsresult rv;
|
|
NS_ASSERTION(!mSrcLoading || mSrcLoadWaiters != nullptr ||
|
|
!mScriptObject,
|
|
"prototype script not well-initialized when deserializing?!");
|
|
|
|
// Read basic prototype data
|
|
rv = aStream->Read32(&mLineNo);
|
|
if (NS_FAILED(rv)) return rv;
|
|
rv = aStream->Read32(&mLangVersion);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
AutoJSAPI jsapi;
|
|
if (!jsapi.Init(xpc::CompilationScope())) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
JSContext* cx = jsapi.cx();
|
|
|
|
JS::Rooted<JSScript*> newScriptObject(cx);
|
|
rv = nsContentUtils::XPConnect()->ReadScript(aStream, cx,
|
|
newScriptObject.address());
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
Set(newScriptObject);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsXULPrototypeScript::DeserializeOutOfLine(nsIObjectInputStream* aInput,
|
|
nsXULPrototypeDocument* aProtoDoc)
|
|
{
|
|
// Keep track of failure via rv, so we can
|
|
// AbortCaching if things look bad.
|
|
nsresult rv = NS_OK;
|
|
nsXULPrototypeCache* cache = nsXULPrototypeCache::GetInstance();
|
|
|
|
nsCOMPtr<nsIObjectInputStream> objectInput = aInput;
|
|
if (cache) {
|
|
bool useXULCache = true;
|
|
if (mSrcURI) {
|
|
// NB: we must check the XUL script cache early, to avoid
|
|
// multiple deserialization attempts for a given script.
|
|
// Note that XULDocument::LoadScript
|
|
// checks the XUL script cache too, in order to handle the
|
|
// serialization case.
|
|
//
|
|
// We need do this only for <script src='strres.js'> and the
|
|
// like, i.e., out-of-line scripts that are included by several
|
|
// different XUL documents stored in the cache file.
|
|
useXULCache = cache->IsEnabled();
|
|
|
|
if (useXULCache) {
|
|
JSScript* newScriptObject =
|
|
cache->GetScript(mSrcURI);
|
|
if (newScriptObject)
|
|
Set(newScriptObject);
|
|
}
|
|
}
|
|
|
|
if (!mScriptObject) {
|
|
if (mSrcURI) {
|
|
rv = cache->GetInputStream(mSrcURI, getter_AddRefs(objectInput));
|
|
}
|
|
// If !mSrcURI, we have an inline script. We shouldn't have
|
|
// to do anything else in that case, I think.
|
|
|
|
// We do reflect errors into rv, but our caller may want to
|
|
// ignore our return value, because mScriptObject will be null
|
|
// after any error, and that suffices to cause the script to
|
|
// be reloaded (from the src= URI, if any) and recompiled.
|
|
// We're better off slow-loading than bailing out due to a
|
|
// error.
|
|
if (NS_SUCCEEDED(rv))
|
|
rv = Deserialize(objectInput, aProtoDoc, nullptr, nullptr);
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (useXULCache && mSrcURI) {
|
|
bool isChrome = false;
|
|
mSrcURI->SchemeIs("chrome", &isChrome);
|
|
if (isChrome) {
|
|
JS::Rooted<JSScript*> script(RootingCx(), GetScriptObject());
|
|
cache->PutScript(mSrcURI, script);
|
|
}
|
|
}
|
|
cache->FinishInputStream(mSrcURI);
|
|
} else {
|
|
// If mSrcURI is not in the cache,
|
|
// rv will be NS_ERROR_NOT_AVAILABLE and we'll try to
|
|
// update the cache file to hold a serialization of
|
|
// this script, once it has finished loading.
|
|
if (rv != NS_ERROR_NOT_AVAILABLE)
|
|
cache->AbortCaching();
|
|
}
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
class NotifyOffThreadScriptCompletedRunnable : public Runnable
|
|
{
|
|
// An array of all outstanding script receivers. All reference counting of
|
|
// these objects happens on the main thread. When we return to the main
|
|
// thread from script compilation we make sure our receiver is still in
|
|
// this array (still alive) before proceeding. This array is cleared during
|
|
// shutdown, potentially before all outstanding script compilations have
|
|
// finished. We do not need to worry about pointer replay here, because
|
|
// a) we should not be starting script compilation after clearing this
|
|
// array and b) in all other cases the receiver will still be alive.
|
|
static StaticAutoPtr<nsTArray<nsCOMPtr<nsIOffThreadScriptReceiver>>> sReceivers;
|
|
static bool sSetupClearOnShutdown;
|
|
|
|
nsIOffThreadScriptReceiver* mReceiver;
|
|
void *mToken;
|
|
|
|
public:
|
|
NotifyOffThreadScriptCompletedRunnable(nsIOffThreadScriptReceiver* aReceiver,
|
|
void *aToken)
|
|
: mReceiver(aReceiver), mToken(aToken)
|
|
{}
|
|
|
|
static void NoteReceiver(nsIOffThreadScriptReceiver* aReceiver) {
|
|
if (!sSetupClearOnShutdown) {
|
|
ClearOnShutdown(&sReceivers);
|
|
sSetupClearOnShutdown = true;
|
|
sReceivers = new nsTArray<nsCOMPtr<nsIOffThreadScriptReceiver>>();
|
|
}
|
|
|
|
// If we ever crash here, it's because we tried to lazy compile script
|
|
// too late in shutdown.
|
|
sReceivers->AppendElement(aReceiver);
|
|
}
|
|
|
|
NS_DECL_NSIRUNNABLE
|
|
};
|
|
|
|
StaticAutoPtr<nsTArray<nsCOMPtr<nsIOffThreadScriptReceiver>>> NotifyOffThreadScriptCompletedRunnable::sReceivers;
|
|
bool NotifyOffThreadScriptCompletedRunnable::sSetupClearOnShutdown = false;
|
|
|
|
NS_IMETHODIMP
|
|
NotifyOffThreadScriptCompletedRunnable::Run()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
JS::Rooted<JSScript*> script(RootingCx());
|
|
{
|
|
AutoJSAPI jsapi;
|
|
if (!jsapi.Init(xpc::CompilationScope())) {
|
|
// Now what? I guess we just leak... this should probably never
|
|
// happen.
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
JSContext* cx = jsapi.cx();
|
|
script = JS::FinishOffThreadScript(cx, mToken);
|
|
}
|
|
|
|
if (!sReceivers) {
|
|
// We've already shut down.
|
|
return NS_OK;
|
|
}
|
|
|
|
auto index = sReceivers->IndexOf(mReceiver);
|
|
MOZ_RELEASE_ASSERT(index != sReceivers->NoIndex);
|
|
nsCOMPtr<nsIOffThreadScriptReceiver> receiver = (*sReceivers)[index].forget();
|
|
sReceivers->RemoveElementAt(index);
|
|
|
|
return receiver->OnScriptCompileComplete(script, script ? NS_OK : NS_ERROR_FAILURE);
|
|
}
|
|
|
|
static void
|
|
OffThreadScriptReceiverCallback(void *aToken, void *aCallbackData)
|
|
{
|
|
// Be careful not to adjust the refcount on the receiver, as this callback
|
|
// may be invoked off the main thread.
|
|
nsIOffThreadScriptReceiver* aReceiver = static_cast<nsIOffThreadScriptReceiver*>(aCallbackData);
|
|
RefPtr<NotifyOffThreadScriptCompletedRunnable> notify =
|
|
new NotifyOffThreadScriptCompletedRunnable(aReceiver, aToken);
|
|
NS_DispatchToMainThread(notify);
|
|
}
|
|
|
|
nsresult
|
|
nsXULPrototypeScript::Compile(JS::SourceBufferHolder& aSrcBuf,
|
|
nsIURI* aURI, uint32_t aLineNo,
|
|
nsIDocument* aDocument,
|
|
nsIOffThreadScriptReceiver *aOffThreadReceiver /* = nullptr */)
|
|
{
|
|
// We'll compile the script in the compilation scope.
|
|
AutoJSAPI jsapi;
|
|
if (!jsapi.Init(xpc::CompilationScope())) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
JSContext* cx = jsapi.cx();
|
|
|
|
nsresult rv;
|
|
nsAutoCString urlspec;
|
|
nsContentUtils::GetWrapperSafeScriptFilename(aDocument, aURI, urlspec, &rv);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
// Ok, compile it to create a prototype script object!
|
|
NS_ENSURE_TRUE(JSVersion(mLangVersion) != JSVERSION_UNKNOWN, NS_OK);
|
|
JS::CompileOptions options(cx);
|
|
options.setIntroductionType("scriptElement")
|
|
.setFileAndLine(urlspec.get(), aLineNo)
|
|
.setVersion(JSVersion(mLangVersion));
|
|
// If the script was inline, tell the JS parser to save source for
|
|
// Function.prototype.toSource(). If it's out of line, we retrieve the
|
|
// source from the files on demand.
|
|
options.setSourceIsLazy(mOutOfLine);
|
|
JS::Rooted<JSObject*> scope(cx, JS::CurrentGlobalOrNull(cx));
|
|
if (scope) {
|
|
JS::ExposeObjectToActiveJS(scope);
|
|
}
|
|
|
|
if (aOffThreadReceiver && JS::CanCompileOffThread(cx, options, aSrcBuf.length())) {
|
|
if (!JS::CompileOffThread(cx, options,
|
|
aSrcBuf.get(), aSrcBuf.length(),
|
|
OffThreadScriptReceiverCallback,
|
|
static_cast<void*>(aOffThreadReceiver))) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
NotifyOffThreadScriptCompletedRunnable::NoteReceiver(aOffThreadReceiver);
|
|
} else {
|
|
JS::Rooted<JSScript*> script(cx);
|
|
if (!JS::Compile(cx, options, aSrcBuf, &script))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
Set(script);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsXULPrototypeScript::Compile(const char16_t* aText,
|
|
int32_t aTextLength,
|
|
nsIURI* aURI,
|
|
uint32_t aLineNo,
|
|
nsIDocument* aDocument,
|
|
nsIOffThreadScriptReceiver *aOffThreadReceiver /* = nullptr */)
|
|
{
|
|
JS::SourceBufferHolder srcBuf(aText, aTextLength,
|
|
JS::SourceBufferHolder::NoOwnership);
|
|
return Compile(srcBuf, aURI, aLineNo, aDocument, aOffThreadReceiver);
|
|
}
|
|
|
|
void
|
|
nsXULPrototypeScript::UnlinkJSObjects()
|
|
{
|
|
if (mScriptObject) {
|
|
mScriptObject = nullptr;
|
|
mozilla::DropJSObjects(this);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsXULPrototypeScript::Set(JSScript* aObject)
|
|
{
|
|
MOZ_ASSERT(!mScriptObject, "Leaking script object.");
|
|
if (!aObject) {
|
|
mScriptObject = nullptr;
|
|
return;
|
|
}
|
|
|
|
mScriptObject = aObject;
|
|
mozilla::HoldJSObjects(this);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// nsXULPrototypeText
|
|
//
|
|
|
|
nsresult
|
|
nsXULPrototypeText::Serialize(nsIObjectOutputStream* aStream,
|
|
nsXULPrototypeDocument* aProtoDoc,
|
|
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos)
|
|
{
|
|
nsresult rv;
|
|
|
|
// Write basic prototype data
|
|
rv = aStream->Write32(mType);
|
|
|
|
nsresult tmp = aStream->WriteWStringZ(mValue.get());
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsXULPrototypeText::Deserialize(nsIObjectInputStream* aStream,
|
|
nsXULPrototypeDocument* aProtoDoc,
|
|
nsIURI* aDocumentURI,
|
|
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos)
|
|
{
|
|
nsresult rv = aStream->ReadString(mValue);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
//
|
|
// nsXULPrototypePI
|
|
//
|
|
|
|
nsresult
|
|
nsXULPrototypePI::Serialize(nsIObjectOutputStream* aStream,
|
|
nsXULPrototypeDocument* aProtoDoc,
|
|
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos)
|
|
{
|
|
nsresult rv;
|
|
|
|
// Write basic prototype data
|
|
rv = aStream->Write32(mType);
|
|
|
|
nsresult tmp = aStream->WriteWStringZ(mTarget.get());
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
tmp = aStream->WriteWStringZ(mData.get());
|
|
if (NS_FAILED(tmp)) {
|
|
rv = tmp;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsXULPrototypePI::Deserialize(nsIObjectInputStream* aStream,
|
|
nsXULPrototypeDocument* aProtoDoc,
|
|
nsIURI* aDocumentURI,
|
|
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos)
|
|
{
|
|
nsresult rv;
|
|
|
|
rv = aStream->ReadString(mTarget);
|
|
if (NS_FAILED(rv)) return rv;
|
|
rv = aStream->ReadString(mData);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
return rv;
|
|
}
|