mirror of
https://github.com/roytam1/palemoon27.git
synced 2026-05-26 14:30:27 +00:00
roytam1
8fd0c73b26
- test part of Bug 789788 - Revise the don't-use-document-fonts option (1b6a0e6ed)
- Bug 1172782 - Change how nsTHashtable::Clear() works. r=froydnj. (c8c2adc51)
- Bug 1180072 - Remove PL_DHashTableEnumerate(). r=froydnj. (b5448efda)
- Bug 1180122 - Make Chaos Mode affect PLDHashTable's iterators. r=froydnj. (11fd0e222)
- Bug 1182516 - Add Chaos Mode environment variable MOZ_CHAOSMODE. r=roc (d636f6c90)
- Bug 1182516 - Fix mid-air conflict with 3fd2ab6cb762 on a CLOSED TREE. r=bustage (8dec46b7a)
- Bug 1184280 - Remove warning about mDisabledJSAndPlugins being false. r=ehsan (c23e96fc1)
- Bug 1181411 - Test some expected aborts in PLDHashTable. r=glandium. (682788df7)
- Bug 1185399 (part 1) - Remove macros from pldhash.h. r=froydnj. (15001ff2a)
- Bug 1185399 (part 2) - Remove macros from pldhash.cpp. r=froydnj. (afeddcc90)
- Bug 1187197 (part 1) - Move comments from PL_DHashTable* functions to the equivalent methods. r=froydnj. (78921590e)
- Bug 1187197 (part 2) - Put function return types on their own line. r=froydnj. (9aae02f83)
- Bug 1187197 (part 3) - Convert pldhash.{cpp,h} to C++ style comments. r=froydnj. (57afe7e1f)
- Bug 1202526 (part 1) - Add PLDHashTable::RemoveEntry(). r=froydnj. (1b5453695)
- Bug 1202526 (part 2) - Avoid PL_DHashTableRawRemove() in nsLoadGroup. r=mcmanus. (1ad20b17f)
- Bug 1202526 (part 3) - Avoid PL_DHashTableRawRemove() in nsDocument. r=bz. (cdde6eff0)
- Bug 1202526 (part 4) - Avoid PL_DHashTableRawRemove() in nsPropertyTable. r=bz. (ed437f4d6)
- Bug 1202526 (part 5) - Use PLDHashTable::RemoveEntry() in nsSecureBrowserUIImpl. r=dkeeler. (ac1d44066)
- Bug 1202526 (part 6) - Use PLDHashTable::RemoveEntry() in XULDocument. r=bz. (2639a053e)
- Bug 1202526 (part 7) - Use PLDHashTable::RemoveEntry() in prefs code. r=bz. (2eb3b1097)
- Bug 1202526 (part 8) - Use PLDHashTable::RemoveEntry() in the cycle collector. r=mccr8. (ec77d7635)
- Bug 1130096 - Convert embedding/components/commandhandler/ to Gecko style. r=mccr8 (a5aecf9de)
- Bug 1184842. Remove layout.frames.force_resizability pref. r=mats (9226b0caf)
- Bug 1184842. Remove frameset mVisibilityOverride since it's always false now. r=mats (1b439feb8)
- Bug 1184842. Change nsAttrAndChildArray::SetAndTakeAttr to nsAttrAndChildArray::SetAndSwapAttr. r=peterv (1442f0eae)
- Bug 1184842. Make SetAttrAndNotify use the real old value instead of aOldValue when possible. r=bz (bc45970f5)
- Bug 1184842. Add aOldValue parameter to nsNodeUtils::AttributeChanged. r=peterv (31bf8c08e)
- Bug 1184842. Pass aOldValue to all mutation observers. r=peterv (e69daf7f7)
- Bug 1184842. Allow BeforeSetAttr to preparse aValue. r=peterv (9c51655de)
- follow up fix to Bug 1184842. Allow BeforeSetAttr to preparse aValue (fb997a066)
- Bug 1149042 - Call AttributeWillChange before a style="" attribute gets created when touching element.style. r=smaug (41f2ea361)
- Bug 1184842. Pass preparsed attribute values to nsNodeUtils::AttributeWillChange. r=peterv (646622252)
- Bug 1013743, MutationObserver should observe only the subtree it is attached to, r=wchen (ad606eb15)
- Bug 1184842. Add aNewValue to nsIMutationObserver::AttributeWillChange. r=peterv (796042972)
- Bug 1184842. Preparse class attribute values in Element::BeforeSetAttr. r=peterv (e18989b2b)
- Bug 1154149 - Remove nsPresContext arguments from a bunch of nsStyleSBug 1154149 - Remove nsPresContext arguments from a bunch of nsStyleS (b7797ef66)
- Bug 1184842. Route aOldValue/aNewValue to AttributeData. r=heycam (14489941b)
- Bug 1184842. Restyling should consider only the classes that have changed. r=heycam (5a5e670dc)
- Bug 1121760 (part 1) - Remove PL_DHashTableSearch(). r=poiru. (d92813655)
459 lines
22 KiB
C++
459 lines
22 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIMutationObserver_h
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#define nsIMutationObserver_h
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#include "nsISupports.h"
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class nsAttrValue;
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class nsIAtom;
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class nsIContent;
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class nsIDocument;
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class nsINode;
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namespace mozilla {
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namespace dom {
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class Element;
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} // namespace dom
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} // namespace mozilla
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#define NS_IMUTATION_OBSERVER_IID \
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{ 0xdd74f0cc, 0x2849, 0x4d05, \
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{ 0x9c, 0xe3, 0xb0, 0x95, 0x3e, 0xc2, 0xfd, 0x44 } }
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/**
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* Information details about a characterdata change. Basically, we
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* view all changes as replacements of a length of text at some offset
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* with some other text (of possibly some other length).
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*/
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struct CharacterDataChangeInfo
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{
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/**
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* True if this character data change is just an append.
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*/
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bool mAppend;
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/**
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* The offset in the text where the change occurred.
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*/
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uint32_t mChangeStart;
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/**
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* The offset such that mChangeEnd - mChangeStart is equal to the length of
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* the text we removed. If this was a pure insert or append, this is equal to
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* mChangeStart.
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*/
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uint32_t mChangeEnd;
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/**
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* The length of the text that was inserted in place of the removed text. If
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* this was a pure text removal, this is 0.
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*/
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uint32_t mReplaceLength;
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/**
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* The net result is that mChangeStart characters at the beginning of the
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* text remained as they were. The next mChangeEnd - mChangeStart characters
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* were removed, and mReplaceLength characters were inserted in their place.
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* The text that used to begin at mChangeEnd now begins at
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* mChangeStart + mReplaceLength.
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*/
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struct Details {
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enum {
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eMerge, // two text nodes are merged as a result of normalize()
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eSplit // a text node is split as a result of splitText()
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} mType;
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/**
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* For eMerge it's the text node that will be removed, for eSplit it's the
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* new text node.
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*/
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nsIContent* mNextSibling;
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};
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/**
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* Used for splitText() and normalize(), otherwise null.
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*/
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Details* mDetails;
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};
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/**
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* Mutation observer interface
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*
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* See nsINode::AddMutationObserver, nsINode::RemoveMutationObserver for how to
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* attach or remove your observers.
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*
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* WARNING: During these notifications, you are not allowed to perform
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* any mutations to the current or any other document, or start a
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* network load. If you need to perform such operations do that
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* during the _last_ nsIDocumentObserver::EndUpdate notification. The
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* expection for this is ParentChainChanged, where mutations should be
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* done from an async event, as the notification might not be
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* surrounded by BeginUpdate/EndUpdate calls.
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*/
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class nsIMutationObserver : public nsISupports
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IMUTATION_OBSERVER_IID)
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/**
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* Notification that the node value of a data node (text, cdata, pi, comment)
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* will be changed.
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*
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* This notification is not sent when a piece of content is
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* added/removed from the document (the other notifications are used
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* for that).
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*
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* @param aDocument The owner-document of aContent. Can be null.
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* @param aContent The piece of content that changed. Is never null.
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* @param aInfo The structure with information details about the change.
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*
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* @note Callers of this method might not hold a strong reference to the
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* observer. The observer is responsible for making sure it stays
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* alive for the duration of the call as needed. The observer may
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* assume that this call will happen when there are script blockers on
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* the stack.
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*/
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virtual void CharacterDataWillChange(nsIDocument *aDocument,
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nsIContent* aContent,
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CharacterDataChangeInfo* aInfo) = 0;
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/**
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* Notification that the node value of a data node (text, cdata, pi, comment)
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* has changed.
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*
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* This notification is not sent when a piece of content is
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* added/removed from the document (the other notifications are used
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* for that).
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*
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* @param aDocument The owner-document of aContent. Can be null.
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* @param aContent The piece of content that changed. Is never null.
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* @param aInfo The structure with information details about the change.
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*
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* @note Callers of this method might not hold a strong reference to the
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* observer. The observer is responsible for making sure it stays
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* alive for the duration of the call as needed. The observer may
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* assume that this call will happen when there are script blockers on
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* the stack.
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*/
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virtual void CharacterDataChanged(nsIDocument *aDocument,
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nsIContent* aContent,
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CharacterDataChangeInfo* aInfo) = 0;
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/**
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* Notification that an attribute of an element will change. This
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* can happen before the BeginUpdate for the change and may not
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* always be followed by an AttributeChanged (in particular, if the
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* attribute doesn't actually change there will be no corresponding
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* AttributeChanged).
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*
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* @param aDocument The owner-document of aContent. Can be null.
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* @param aContent The element whose attribute will change
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* @param aNameSpaceID The namespace id of the changing attribute
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* @param aAttribute The name of the changing attribute
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* @param aModType Whether or not the attribute will be added, changed, or
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* removed. The constants are defined in
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* nsIDOMMutationEvent.h.
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* @param aNewValue The new value, IF it has been preparsed by
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* BeforeSetAttr, otherwise null.
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*
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* @note Callers of this method might not hold a strong reference to the
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* observer. The observer is responsible for making sure it stays
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* alive for the duration of the call as needed. The observer may
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* assume that this call will happen when there are script blockers on
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* the stack.
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*/
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virtual void AttributeWillChange(nsIDocument* aDocument,
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mozilla::dom::Element* aElement,
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int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType,
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const nsAttrValue* aNewValue) = 0;
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/**
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* Notification that an attribute of an element has changed.
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*
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* @param aDocument The owner-document of aContent. Can be null.
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* @param aElement The element whose attribute changed
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* @param aNameSpaceID The namespace id of the changed attribute
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* @param aAttribute The name of the changed attribute
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* @param aModType Whether or not the attribute was added, changed, or
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* removed. The constants are defined in
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* nsIDOMMutationEvent.h.
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* @param aOldValue The old value, if either the old value or the new
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* value are StoresOwnData() (or absent); null otherwise.
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*
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* @note Callers of this method might not hold a strong reference to the
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* observer. The observer is responsible for making sure it stays
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* alive for the duration of the call as needed. The observer may
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* assume that this call will happen when there are script blockers on
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* the stack.
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*/
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virtual void AttributeChanged(nsIDocument* aDocument,
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mozilla::dom::Element* aElement,
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int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType,
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const nsAttrValue* aOldValue) = 0;
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/**
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* Notification that an attribute of an element has been
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* set to the value it already had.
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*
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* @param aDocument The owner-document of aContent.
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* @param aElement The element whose attribute changed
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* @param aNameSpaceID The namespace id of the changed attribute
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* @param aAttribute The name of the changed attribute
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*/
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virtual void AttributeSetToCurrentValue(nsIDocument* aDocument,
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mozilla::dom::Element* aElement,
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int32_t aNameSpaceID,
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nsIAtom* aAttribute) {}
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/**
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* Notification that one or more content nodes have been appended to the
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* child list of another node in the tree.
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*
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* @param aDocument The owner-document of aContent. Can be null.
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* @param aContainer The container that had new children appended. Is never
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* null.
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* @param aFirstNewContent the node at aIndexInContainer in aContainer.
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* @param aNewIndexInContainer the index in the container of the first
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* new child
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*
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* @note Callers of this method might not hold a strong reference to the
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* observer. The observer is responsible for making sure it stays
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* alive for the duration of the call as needed. The observer may
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* assume that this call will happen when there are script blockers on
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* the stack.
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*/
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virtual void ContentAppended(nsIDocument *aDocument,
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nsIContent* aContainer,
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nsIContent* aFirstNewContent,
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int32_t aNewIndexInContainer) = 0;
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/**
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* Notification that a content node has been inserted as child to another
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* node in the tree.
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*
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* @param aDocument The owner-document of aContent, or, when aContainer
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* is null, the container that had the child inserted.
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* Can be null.
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* @param aContainer The container that had new a child inserted. Can be
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* null to indicate that the child was inserted into
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* aDocument
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* @param aChild The newly inserted child.
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* @param aIndexInContainer The index in the container of the new child.
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*
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* @note Callers of this method might not hold a strong reference to the
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* observer. The observer is responsible for making sure it stays
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* alive for the duration of the call as needed. The observer may
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* assume that this call will happen when there are script blockers on
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* the stack.
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*/
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virtual void ContentInserted(nsIDocument *aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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int32_t aIndexInContainer) = 0;
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/**
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* Notification that a content node has been removed from the child list of
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* another node in the tree.
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*
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* @param aDocument The owner-document of aContent, or, when aContainer
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* is null, the container that had the child removed.
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* Can be null.
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* @param aContainer The container that had new a child removed. Can be
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* null to indicate that the child was removed from
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* aDocument.
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* @param aChild The child that was removed.
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* @param aIndexInContainer The index in the container which the child used
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* to have.
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* @param aPreviousSibling The previous sibling to the child that was removed.
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* Can be null if there was no previous sibling.
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*
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* @note Callers of this method might not hold a strong reference to the
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* observer. The observer is responsible for making sure it stays
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* alive for the duration of the call as needed. The observer may
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* assume that this call will happen when there are script blockers on
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* the stack.
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*/
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virtual void ContentRemoved(nsIDocument *aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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int32_t aIndexInContainer,
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nsIContent* aPreviousSibling) = 0;
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/**
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* The node is in the process of being destroyed. Calling QI on the node is
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* not supported, however it is possible to get children and flags through
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* nsINode as well as calling IsNodeOfType(eCONTENT) and casting to
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* nsIContent to get attributes.
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*
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* NOTE: This notification is only called on observers registered directly
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* on the node. This is because when the node is destroyed it can not have
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* any ancestors. If you want to know when a descendant node is being
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* removed from the observed node, use the ContentRemoved notification.
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*
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* @param aNode The node being destroyed.
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*
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* @note Callers of this method might not hold a strong reference to
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* the observer. The observer is responsible for making sure it
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* stays alive for the duration of the call as needed.
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*/
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virtual void NodeWillBeDestroyed(const nsINode *aNode) = 0;
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/**
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* Notification that the node's parent chain has changed. This
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* happens when either the node or one of its ancestors is inserted
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* or removed as a child of another node.
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*
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* Note that when a node is inserted this notification is sent to
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* all descendants of that node, since all such nodes have their
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* parent chain changed.
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*
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* @param aContent The piece of content that had its parent changed.
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*
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* @note Callers of this method might not hold a strong reference to
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* the observer. The observer is responsible for making sure it
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* stays alive for the duration of the call as needed.
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*/
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virtual void ParentChainChanged(nsIContent *aContent) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIMutationObserver, NS_IMUTATION_OBSERVER_IID)
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#define NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATAWILLCHANGE \
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virtual void CharacterDataWillChange(nsIDocument* aDocument, \
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nsIContent* aContent, \
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CharacterDataChangeInfo* aInfo) override;
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#define NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED \
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virtual void CharacterDataChanged(nsIDocument* aDocument, \
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nsIContent* aContent, \
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CharacterDataChangeInfo* aInfo) override;
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#define NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTEWILLCHANGE \
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virtual void AttributeWillChange(nsIDocument* aDocument, \
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mozilla::dom::Element* aElement, \
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int32_t aNameSpaceID, \
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nsIAtom* aAttribute, \
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int32_t aModType, \
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const nsAttrValue* aNewValue) override;
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#define NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED \
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virtual void AttributeChanged(nsIDocument* aDocument, \
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mozilla::dom::Element* aElement, \
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int32_t aNameSpaceID, \
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nsIAtom* aAttribute, \
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int32_t aModType, \
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const nsAttrValue* aOldValue) override;
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#define NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED \
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virtual void ContentAppended(nsIDocument* aDocument, \
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nsIContent* aContainer, \
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nsIContent* aFirstNewContent, \
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int32_t aNewIndexInContainer) override;
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#define NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED \
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virtual void ContentInserted(nsIDocument* aDocument, \
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nsIContent* aContainer, \
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nsIContent* aChild, \
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int32_t aIndexInContainer) override;
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#define NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED \
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virtual void ContentRemoved(nsIDocument* aDocument, \
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nsIContent* aContainer, \
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nsIContent* aChild, \
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int32_t aIndexInContainer, \
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nsIContent* aPreviousSibling) override;
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#define NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED \
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virtual void NodeWillBeDestroyed(const nsINode* aNode) override;
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#define NS_DECL_NSIMUTATIONOBSERVER_PARENTCHAINCHANGED \
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virtual void ParentChainChanged(nsIContent *aContent) override;
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#define NS_DECL_NSIMUTATIONOBSERVER \
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NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATAWILLCHANGE \
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NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED \
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NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTEWILLCHANGE \
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NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED \
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NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED \
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NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED \
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NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED \
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NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED \
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NS_DECL_NSIMUTATIONOBSERVER_PARENTCHAINCHANGED
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#define NS_IMPL_NSIMUTATIONOBSERVER_CORE_STUB(_class) \
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void \
|
|
_class::NodeWillBeDestroyed(const nsINode* aNode) \
|
|
{ \
|
|
}
|
|
|
|
#define NS_IMPL_NSIMUTATIONOBSERVER_CONTENT(_class) \
|
|
void \
|
|
_class::CharacterDataWillChange(nsIDocument* aDocument, \
|
|
nsIContent* aContent, \
|
|
CharacterDataChangeInfo* aInfo) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::CharacterDataChanged(nsIDocument* aDocument, \
|
|
nsIContent* aContent, \
|
|
CharacterDataChangeInfo* aInfo) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::AttributeWillChange(nsIDocument* aDocument, \
|
|
mozilla::dom::Element* aElement, \
|
|
int32_t aNameSpaceID, \
|
|
nsIAtom* aAttribute, \
|
|
int32_t aModType, \
|
|
const nsAttrValue* aNewValue) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::AttributeChanged(nsIDocument* aDocument, \
|
|
mozilla::dom::Element* aElement, \
|
|
int32_t aNameSpaceID, \
|
|
nsIAtom* aAttribute, \
|
|
int32_t aModType, \
|
|
const nsAttrValue* aOldValue) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::ContentAppended(nsIDocument* aDocument, \
|
|
nsIContent* aContainer, \
|
|
nsIContent* aFirstNewContent, \
|
|
int32_t aNewIndexInContainer) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::ContentInserted(nsIDocument* aDocument, \
|
|
nsIContent* aContainer, \
|
|
nsIContent* aChild, \
|
|
int32_t aIndexInContainer) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::ContentRemoved(nsIDocument* aDocument, \
|
|
nsIContent* aContainer, \
|
|
nsIContent* aChild, \
|
|
int32_t aIndexInContainer, \
|
|
nsIContent* aPreviousSibling) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::ParentChainChanged(nsIContent *aContent) \
|
|
{ \
|
|
}
|
|
|
|
|
|
#endif /* nsIMutationObserver_h */
|