/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef mozilla_MutationEvent_h__ #define mozilla_MutationEvent_h__ #include "mozilla/BasicEvents.h" #include "nsCOMPtr.h" #include "nsIAtom.h" #include "nsIDOMNode.h" namespace mozilla { class InternalMutationEvent : public WidgetEvent { public: virtual InternalMutationEvent* AsMutationEvent() override { return this; } InternalMutationEvent(bool aIsTrusted, EventMessage aMessage) : WidgetEvent(aIsTrusted, aMessage, eMutationEventClass) , mAttrChange(0) { mFlags.mCancelable = false; } virtual WidgetEvent* Duplicate() const override { MOZ_ASSERT(mClass == eMutationEventClass, "Duplicate() must be overridden by sub class"); InternalMutationEvent* result = new InternalMutationEvent(false, mMessage); result->AssignMutationEventData(*this, true); result->mFlags = mFlags; return result; } nsCOMPtr<nsIDOMNode> mRelatedNode; nsCOMPtr<nsIAtom> mAttrName; nsCOMPtr<nsIAtom> mPrevAttrValue; nsCOMPtr<nsIAtom> mNewAttrValue; unsigned short mAttrChange; void AssignMutationEventData(const InternalMutationEvent& aEvent, bool aCopyTargets) { AssignEventData(aEvent, aCopyTargets); mRelatedNode = aEvent.mRelatedNode; mAttrName = aEvent.mAttrName; mPrevAttrValue = aEvent.mPrevAttrValue; mNewAttrValue = aEvent.mNewAttrValue; mAttrChange = aEvent.mAttrChange; } }; // Bits are actually checked to optimize mutation event firing. // That's why I don't number from 0x00. The first event should // always be 0x01. #define NS_EVENT_BITS_MUTATION_SUBTREEMODIFIED 0x01 #define NS_EVENT_BITS_MUTATION_NODEINSERTED 0x02 #define NS_EVENT_BITS_MUTATION_NODEREMOVED 0x04 #define NS_EVENT_BITS_MUTATION_NODEREMOVEDFROMDOCUMENT 0x08 #define NS_EVENT_BITS_MUTATION_NODEINSERTEDINTODOCUMENT 0x10 #define NS_EVENT_BITS_MUTATION_ATTRMODIFIED 0x20 #define NS_EVENT_BITS_MUTATION_CHARACTERDATAMODIFIED 0x40 } // namespace mozilla #endif // mozilla_MutationEvent_h__