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comparison: dom/events/InternalMutationEvent.h
dom/events/InternalMutationEvent.h
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| -1:000000000000 | 0:eeb435dd2c9f |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef mozilla_MutationEvent_h__ | |
| 7 #define mozilla_MutationEvent_h__ | |
| 8 | |
| 9 #include "mozilla/BasicEvents.h" | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "nsIAtom.h" | |
| 12 #include "nsIDOMNode.h" | |
| 13 | |
| 14 namespace mozilla { | |
| 15 | |
| 16 class InternalMutationEvent : public WidgetEvent | |
| 17 { | |
| 18 public: | |
| 19 virtual InternalMutationEvent* AsMutationEvent() MOZ_OVERRIDE { return this; } | |
| 20 | |
| 21 InternalMutationEvent(bool aIsTrusted, uint32_t aMessage) : | |
| 22 WidgetEvent(aIsTrusted, aMessage, NS_MUTATION_EVENT), | |
| 23 mAttrChange(0) | |
| 24 { | |
| 25 mFlags.mCancelable = false; | |
| 26 } | |
| 27 | |
| 28 virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE | |
| 29 { | |
| 30 MOZ_ASSERT(eventStructType == NS_MUTATION_EVENT, | |
| 31 "Duplicate() must be overridden by sub class"); | |
| 32 InternalMutationEvent* result = new InternalMutationEvent(false, message); | |
| 33 result->AssignMutationEventData(*this, true); | |
| 34 result->mFlags = mFlags; | |
| 35 return result; | |
| 36 } | |
| 37 | |
| 38 nsCOMPtr<nsIDOMNode> mRelatedNode; | |
| 39 nsCOMPtr<nsIAtom> mAttrName; | |
| 40 nsCOMPtr<nsIAtom> mPrevAttrValue; | |
| 41 nsCOMPtr<nsIAtom> mNewAttrValue; | |
| 42 unsigned short mAttrChange; | |
| 43 | |
| 44 void AssignMutationEventData(const InternalMutationEvent& aEvent, | |
| 45 bool aCopyTargets) | |
| 46 { | |
| 47 AssignEventData(aEvent, aCopyTargets); | |
| 48 | |
| 49 mRelatedNode = aEvent.mRelatedNode; | |
| 50 mAttrName = aEvent.mAttrName; | |
| 51 mPrevAttrValue = aEvent.mPrevAttrValue; | |
| 52 mNewAttrValue = aEvent.mNewAttrValue; | |
| 53 mAttrChange = aEvent.mAttrChange; | |
| 54 } | |
| 55 }; | |
| 56 | |
| 57 // Bits are actually checked to optimize mutation event firing. | |
| 58 // That's why I don't number from 0x00. The first event should | |
| 59 // always be 0x01. | |
| 60 #define NS_EVENT_BITS_MUTATION_SUBTREEMODIFIED 0x01 | |
| 61 #define NS_EVENT_BITS_MUTATION_NODEINSERTED 0x02 | |
| 62 #define NS_EVENT_BITS_MUTATION_NODEREMOVED 0x04 | |
| 63 #define NS_EVENT_BITS_MUTATION_NODEREMOVEDFROMDOCUMENT 0x08 | |
| 64 #define NS_EVENT_BITS_MUTATION_NODEINSERTEDINTODOCUMENT 0x10 | |
| 65 #define NS_EVENT_BITS_MUTATION_ATTRMODIFIED 0x20 | |
| 66 #define NS_EVENT_BITS_MUTATION_CHARACTERDATAMODIFIED 0x40 | |
| 67 | |
| 68 } // namespace mozilla | |
| 69 | |
| 70 #endif // mozilla_MutationEvent_h__ |
