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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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Roy Tam
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150858 changed files with 23884658 additions and 0 deletions
291
dom/base/nsIDocumentObserver.h
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291
dom/base/nsIDocumentObserver.h
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/* -*- 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 nsIDocumentObserver_h___
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#define nsIDocumentObserver_h___
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#include "mozilla/EventStates.h"
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#include "mozilla/StyleSheet.h"
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#include "nsISupports.h"
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#include "nsIMutationObserver.h"
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class nsIContent;
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class nsIDocument;
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namespace mozilla {
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namespace css {
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class Rule;
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} // namespace css
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} // namespace mozilla
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#define NS_IDOCUMENT_OBSERVER_IID \
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{ 0x71041fa3, 0x6dd7, 0x4cde, \
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{ 0xbb, 0x76, 0xae, 0xcc, 0x69, 0xe1, 0x75, 0x78 } }
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typedef uint32_t nsUpdateType;
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#define UPDATE_CONTENT_MODEL 0x00000001
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#define UPDATE_STYLE 0x00000002
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#define UPDATE_ALL (UPDATE_CONTENT_MODEL | UPDATE_STYLE)
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// Document observer interface
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class nsIDocumentObserver : public nsIMutationObserver
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDOCUMENT_OBSERVER_IID)
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/**
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* Notify that a content model update is beginning. This call can be
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* nested.
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*/
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virtual void BeginUpdate(nsIDocument *aDocument,
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nsUpdateType aUpdateType) = 0;
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/**
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* Notify that a content model update is finished. This call can be
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* nested.
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*/
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virtual void EndUpdate(nsIDocument *aDocument, nsUpdateType aUpdateType) = 0;
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/**
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* Notify the observer that a document load is beginning.
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*/
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virtual void BeginLoad(nsIDocument *aDocument) = 0;
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/**
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* Notify the observer that a document load has finished. Note that
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* the associated reflow of the document will be done <b>before</b>
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* EndLoad is invoked, not after.
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*/
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virtual void EndLoad(nsIDocument *aDocument) = 0;
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/**
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* Notification that the state of a content node has changed.
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* (ie: gained or lost focus, became active or hovered over)
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* This method is called automatically by content objects
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* when their state is changed (therefore there is normally
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* no need to invoke this method directly). The notification
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* is passed to any IDocumentObservers. The notification is
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* passed on to all of the document observers. <p>
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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 or the content itself changed
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* (the other notifications are used for that).
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*
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* @param aDocument The document being observed
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* @param aContent the piece of content that changed
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*/
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virtual void ContentStateChanged(nsIDocument* aDocument,
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nsIContent* aContent,
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mozilla::EventStates aStateMask) = 0;
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/**
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* Notification that the state of the document has changed.
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*
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* @param aDocument The document being observed
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* @param aStateMask the state that changed
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*/
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virtual void DocumentStatesChanged(nsIDocument* aDocument,
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mozilla::EventStates aStateMask) = 0;
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/**
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* A StyleSheet has just been added to the document. This method is
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* called automatically when a StyleSheet gets added to the
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* document, even if the stylesheet is not applicable. The
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* notification is passed on to all of the document observers.
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*
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* @param aStyleSheet the StyleSheet that has been added
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* @param aDocumentSheet True if sheet is in document's style sheet list,
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* false if sheet is not (i.e., UA or user sheet)
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*/
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virtual void StyleSheetAdded(mozilla::StyleSheet* aStyleSheet,
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bool aDocumentSheet) = 0;
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/**
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* A StyleSheet has just been removed from the document. This
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* method is called automatically when a StyleSheet gets removed
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* from the document, even if the stylesheet is not applicable. The
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* notification is passed on to all of the document observers.
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*
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* @param aStyleSheet the StyleSheet that has been removed
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* @param aDocumentSheet True if sheet is in document's style sheet list,
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* false if sheet is not (i.e., UA or user sheet)
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*/
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virtual void StyleSheetRemoved(mozilla::StyleSheet* aStyleSheet,
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bool aDocumentSheet) = 0;
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/**
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* A StyleSheet has just changed its applicable state.
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* This method is called automatically when the applicable state
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* of a StyleSheet gets changed. The style sheet passes this
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* notification to the document. The notification is passed on
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* to all of the document observers.
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*
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* @param aStyleSheet the StyleSheet that has changed state
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*/
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virtual void StyleSheetApplicableStateChanged(mozilla::StyleSheet* aStyleSheet) = 0;
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/**
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* A StyleRule has just been modified within a style sheet.
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* This method is called automatically when the rule gets
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* modified. The style sheet passes this notification to
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* the document. The notification is passed on to all of
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* the document observers.
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*
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* @param aStyleSheet the StyleSheet that contians the rule
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*/
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virtual void StyleRuleChanged(mozilla::StyleSheet* aStyleSheet) = 0;
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/**
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* A StyleRule has just been added to a style sheet.
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* This method is called automatically when the rule gets
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* added to the sheet. The style sheet passes this
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* notification to the document. The notification is passed on
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* to all of the document observers.
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*
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* @param aStyleSheet the StyleSheet that has been modified
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*/
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virtual void StyleRuleAdded(mozilla::StyleSheet* aStyleSheet) = 0;
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/**
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* A StyleRule has just been removed from a style sheet.
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* This method is called automatically when the rule gets
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* removed from the sheet. The style sheet passes this
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* notification to the document. The notification is passed on
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* to all of the document observers.
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*
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* @param aStyleSheet the StyleSheet that has been modified
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*/
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virtual void StyleRuleRemoved(mozilla::StyleSheet* aStyleSheet) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIDocumentObserver, NS_IDOCUMENT_OBSERVER_IID)
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#define NS_DECL_NSIDOCUMENTOBSERVER_BEGINUPDATE \
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virtual void BeginUpdate(nsIDocument* aDocument, \
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nsUpdateType aUpdateType) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_ENDUPDATE \
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virtual void EndUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_BEGINLOAD \
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virtual void BeginLoad(nsIDocument* aDocument) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_ENDLOAD \
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virtual void EndLoad(nsIDocument* aDocument) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_CONTENTSTATECHANGED \
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virtual void ContentStateChanged(nsIDocument* aDocument, \
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nsIContent* aContent, \
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mozilla::EventStates aStateMask) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_DOCUMENTSTATESCHANGED \
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virtual void DocumentStatesChanged(nsIDocument* aDocument, \
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mozilla::EventStates aStateMask) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETADDED \
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virtual void StyleSheetAdded(mozilla::StyleSheet* aStyleSheet, \
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bool aDocumentSheet) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETREMOVED \
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virtual void StyleSheetRemoved(mozilla::StyleSheet* aStyleSheet, \
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bool aDocumentSheet) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETAPPLICABLESTATECHANGED \
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virtual void StyleSheetApplicableStateChanged( \
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mozilla::StyleSheet* aStyleSheet) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_STYLERULECHANGED \
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virtual void StyleRuleChanged(mozilla::StyleSheet* aStyleSheet) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_STYLERULEADDED \
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virtual void StyleRuleAdded(mozilla::StyleSheet* aStyleSheet) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_STYLERULEREMOVED \
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virtual void StyleRuleRemoved(mozilla::StyleSheet* aStyleSheet) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER \
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NS_DECL_NSIDOCUMENTOBSERVER_BEGINUPDATE \
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NS_DECL_NSIDOCUMENTOBSERVER_ENDUPDATE \
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NS_DECL_NSIDOCUMENTOBSERVER_BEGINLOAD \
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NS_DECL_NSIDOCUMENTOBSERVER_ENDLOAD \
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NS_DECL_NSIDOCUMENTOBSERVER_CONTENTSTATECHANGED \
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NS_DECL_NSIDOCUMENTOBSERVER_DOCUMENTSTATESCHANGED \
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NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETADDED \
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NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETREMOVED \
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NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETAPPLICABLESTATECHANGED \
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NS_DECL_NSIDOCUMENTOBSERVER_STYLERULECHANGED \
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NS_DECL_NSIDOCUMENTOBSERVER_STYLERULEADDED \
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NS_DECL_NSIDOCUMENTOBSERVER_STYLERULEREMOVED \
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NS_DECL_NSIMUTATIONOBSERVER
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#define NS_IMPL_NSIDOCUMENTOBSERVER_CORE_STUB(_class) \
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void \
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_class::BeginUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType) \
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{ \
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} \
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void \
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_class::EndUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType) \
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{ \
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} \
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NS_IMPL_NSIMUTATIONOBSERVER_CORE_STUB(_class)
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#define NS_IMPL_NSIDOCUMENTOBSERVER_LOAD_STUB(_class) \
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void \
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_class::BeginLoad(nsIDocument* aDocument) \
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{ \
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} \
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void \
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_class::EndLoad(nsIDocument* aDocument) \
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{ \
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}
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#define NS_IMPL_NSIDOCUMENTOBSERVER_STATE_STUB(_class) \
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void \
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_class::ContentStateChanged(nsIDocument* aDocument, \
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nsIContent* aContent, \
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mozilla::EventStates aStateMask) \
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{ \
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} \
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\
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void \
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_class::DocumentStatesChanged(nsIDocument* aDocument, \
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mozilla::EventStates aStateMask) \
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{ \
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}
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#define NS_IMPL_NSIDOCUMENTOBSERVER_CONTENT(_class) \
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NS_IMPL_NSIMUTATIONOBSERVER_CONTENT(_class)
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#define NS_IMPL_NSIDOCUMENTOBSERVER_STYLE_STUB(_class) \
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void \
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_class::StyleSheetAdded(mozilla::StyleSheet* aStyleSheet, \
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bool aDocumentSheet) \
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{ \
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} \
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void \
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_class::StyleSheetRemoved(mozilla::StyleSheet* aStyleSheet, \
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bool aDocumentSheet) \
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{ \
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} \
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void \
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_class::StyleSheetApplicableStateChanged(mozilla::StyleSheet* aStyleSheet)\
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{ \
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} \
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void \
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_class::StyleRuleChanged(mozilla::StyleSheet* aStyleSheet) \
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{ \
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} \
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void \
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_class::StyleRuleAdded(mozilla::StyleSheet* aStyleSheet) \
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{ \
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} \
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void \
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_class::StyleRuleRemoved(mozilla::StyleSheet* aStyleSheet) \
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{ \
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}
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#endif /* nsIDocumentObserver_h___ */
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