1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/events/InternalMutationEvent.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,70 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef mozilla_MutationEvent_h__
1.10 +#define mozilla_MutationEvent_h__
1.11 +
1.12 +#include "mozilla/BasicEvents.h"
1.13 +#include "nsCOMPtr.h"
1.14 +#include "nsIAtom.h"
1.15 +#include "nsIDOMNode.h"
1.16 +
1.17 +namespace mozilla {
1.18 +
1.19 +class InternalMutationEvent : public WidgetEvent
1.20 +{
1.21 +public:
1.22 + virtual InternalMutationEvent* AsMutationEvent() MOZ_OVERRIDE { return this; }
1.23 +
1.24 + InternalMutationEvent(bool aIsTrusted, uint32_t aMessage) :
1.25 + WidgetEvent(aIsTrusted, aMessage, NS_MUTATION_EVENT),
1.26 + mAttrChange(0)
1.27 + {
1.28 + mFlags.mCancelable = false;
1.29 + }
1.30 +
1.31 + virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE
1.32 + {
1.33 + MOZ_ASSERT(eventStructType == NS_MUTATION_EVENT,
1.34 + "Duplicate() must be overridden by sub class");
1.35 + InternalMutationEvent* result = new InternalMutationEvent(false, message);
1.36 + result->AssignMutationEventData(*this, true);
1.37 + result->mFlags = mFlags;
1.38 + return result;
1.39 + }
1.40 +
1.41 + nsCOMPtr<nsIDOMNode> mRelatedNode;
1.42 + nsCOMPtr<nsIAtom> mAttrName;
1.43 + nsCOMPtr<nsIAtom> mPrevAttrValue;
1.44 + nsCOMPtr<nsIAtom> mNewAttrValue;
1.45 + unsigned short mAttrChange;
1.46 +
1.47 + void AssignMutationEventData(const InternalMutationEvent& aEvent,
1.48 + bool aCopyTargets)
1.49 + {
1.50 + AssignEventData(aEvent, aCopyTargets);
1.51 +
1.52 + mRelatedNode = aEvent.mRelatedNode;
1.53 + mAttrName = aEvent.mAttrName;
1.54 + mPrevAttrValue = aEvent.mPrevAttrValue;
1.55 + mNewAttrValue = aEvent.mNewAttrValue;
1.56 + mAttrChange = aEvent.mAttrChange;
1.57 + }
1.58 +};
1.59 +
1.60 +// Bits are actually checked to optimize mutation event firing.
1.61 +// That's why I don't number from 0x00. The first event should
1.62 +// always be 0x01.
1.63 +#define NS_EVENT_BITS_MUTATION_SUBTREEMODIFIED 0x01
1.64 +#define NS_EVENT_BITS_MUTATION_NODEINSERTED 0x02
1.65 +#define NS_EVENT_BITS_MUTATION_NODEREMOVED 0x04
1.66 +#define NS_EVENT_BITS_MUTATION_NODEREMOVEDFROMDOCUMENT 0x08
1.67 +#define NS_EVENT_BITS_MUTATION_NODEINSERTEDINTODOCUMENT 0x10
1.68 +#define NS_EVENT_BITS_MUTATION_ATTRMODIFIED 0x20
1.69 +#define NS_EVENT_BITS_MUTATION_CHARACTERDATAMODIFIED 0x40
1.70 +
1.71 +} // namespace mozilla
1.72 +
1.73 +#endif // mozilla_MutationEvent_h__
