/usr/include/firefox/nsIDocumentObserver.h is in firefox-dev 11.0+build1-0ubuntu4.
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsIDocumentObserver_h___
#define nsIDocumentObserver_h___
#include "nsISupports.h"
#include "nsIMutationObserver.h"
#include "nsEventStates.h"
class nsIAtom;
class nsIContent;
class nsIStyleSheet;
class nsIStyleRule;
class nsString;
class nsIDocument;
#define NS_IDOCUMENT_OBSERVER_IID \
{ 0x900bc4bc, 0x8b6c, 0x4cba, \
{ 0x82, 0xfa, 0x56, 0x8a, 0x80, 0xff, 0xfd, 0x3e } }
typedef PRUint32 nsUpdateType;
#define UPDATE_CONTENT_MODEL 0x00000001
#define UPDATE_STYLE 0x00000002
#define UPDATE_ALL (UPDATE_CONTENT_MODEL | UPDATE_STYLE)
// Document observer interface
class nsIDocumentObserver : public nsIMutationObserver
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDOCUMENT_OBSERVER_IID)
/**
* Notify that a content model update is beginning. This call can be
* nested.
*/
virtual void BeginUpdate(nsIDocument *aDocument,
nsUpdateType aUpdateType) = 0;
/**
* Notify that a content model update is finished. This call can be
* nested.
*/
virtual void EndUpdate(nsIDocument *aDocument, nsUpdateType aUpdateType) = 0;
/**
* Notify the observer that a document load is beginning.
*/
virtual void BeginLoad(nsIDocument *aDocument) = 0;
/**
* Notify the observer that a document load has finished. Note that
* the associated reflow of the document will be done <b>before</b>
* EndLoad is invoked, not after.
*/
virtual void EndLoad(nsIDocument *aDocument) = 0;
/**
* Notification that the state of a content node has changed.
* (ie: gained or lost focus, became active or hovered over)
* This method is called automatically by content objects
* when their state is changed (therefore there is normally
* no need to invoke this method directly). The notification
* is passed to any IDocumentObservers. The notification is
* passed on to all of the document observers. <p>
*
* This notification is not sent when a piece of content is
* added/removed from the document or the content itself changed
* (the other notifications are used for that).
*
* @param aDocument The document being observed
* @param aContent the piece of content that changed
*/
virtual void ContentStateChanged(nsIDocument* aDocument,
nsIContent* aContent,
nsEventStates aStateMask) = 0;
/**
* Notification that the state of the document has changed.
*
* @param aDocument The document being observed
* @param aStateMask the state that changed
*/
virtual void DocumentStatesChanged(nsIDocument* aDocument,
nsEventStates aStateMask) = 0;
/**
* A StyleSheet has just been added to the document. This method is
* called automatically when a StyleSheet gets added to the
* document, even if the stylesheet is not applicable. The
* notification is passed on to all of the document observers.
*
* @param aDocument The document being observed
* @param aStyleSheet the StyleSheet that has been added
* @param aDocumentSheet True if sheet is in document's style sheet list,
* false if sheet is not (i.e., UA or user sheet)
*/
virtual void StyleSheetAdded(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet,
bool aDocumentSheet) = 0;
/**
* A StyleSheet has just been removed from the document. This
* method is called automatically when a StyleSheet gets removed
* from the document, even if the stylesheet is not applicable. The
* notification is passed on to all of the document observers.
*
* @param aDocument The document being observed
* @param aStyleSheet the StyleSheet that has been removed
* @param aDocumentSheet True if sheet is in document's style sheet list,
* false if sheet is not (i.e., UA or user sheet)
*/
virtual void StyleSheetRemoved(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet,
bool aDocumentSheet) = 0;
/**
* A StyleSheet has just changed its applicable state.
* This method is called automatically when the applicable state
* of a StyleSheet gets changed. The style sheet passes this
* notification to the document. The notification is passed on
* to all of the document observers.
*
* @param aDocument The document being observed
* @param aStyleSheet the StyleSheet that has changed state
* @param aApplicable true if the sheet is applicable, false if
* it is not applicable
*/
virtual void StyleSheetApplicableStateChanged(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet,
bool aApplicable) = 0;
/**
* A StyleRule has just been modified within a style sheet.
* This method is called automatically when the rule gets
* modified. The style sheet passes this notification to
* the document. The notification is passed on to all of
* the document observers.
*
* Since nsIStyleRule objects are immutable, there is a new object
* replacing the old one. However, the use of this method (rather
* than StyleRuleAdded and StyleRuleRemoved) implies that the new rule
* matches the same elements and has the same priority (weight,
* origin, specificity) as the old one. (However, if it is a CSS
* style rule, there may be a change in whether it has an important
* rule.)
*
* @param aDocument The document being observed
* @param aStyleSheet the StyleSheet that contians the rule
* @param aOldStyleRule The rule being removed. This rule may not be
* fully valid anymore -- however, it can still
* be used for pointer comparison and
* |QueryInterface|.
* @param aNewStyleRule The rule being added.
*/
virtual void StyleRuleChanged(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet,
nsIStyleRule* aOldStyleRule,
nsIStyleRule* aNewStyleRule) = 0;
/**
* A StyleRule has just been added to a style sheet.
* This method is called automatically when the rule gets
* added to the sheet. The style sheet passes this
* notification to the document. The notification is passed on
* to all of the document observers.
*
* @param aDocument The document being observed
* @param aStyleSheet the StyleSheet that has been modified
* @param aStyleRule the rule that was added
*/
virtual void StyleRuleAdded(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet,
nsIStyleRule* aStyleRule) = 0;
/**
* A StyleRule has just been removed from a style sheet.
* This method is called automatically when the rule gets
* removed from the sheet. The style sheet passes this
* notification to the document. The notification is passed on
* to all of the document observers.
*
* @param aDocument The document being observed
* @param aStyleSheet the StyleSheet that has been modified
* @param aStyleRule the rule that was removed
*/
virtual void StyleRuleRemoved(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet,
nsIStyleRule* aStyleRule) = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIDocumentObserver, NS_IDOCUMENT_OBSERVER_IID)
#define NS_DECL_NSIDOCUMENTOBSERVER_BEGINUPDATE \
virtual void BeginUpdate(nsIDocument* aDocument, \
nsUpdateType aUpdateType);
#define NS_DECL_NSIDOCUMENTOBSERVER_ENDUPDATE \
virtual void EndUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType);
#define NS_DECL_NSIDOCUMENTOBSERVER_BEGINLOAD \
virtual void BeginLoad(nsIDocument* aDocument);
#define NS_DECL_NSIDOCUMENTOBSERVER_ENDLOAD \
virtual void EndLoad(nsIDocument* aDocument);
#define NS_DECL_NSIDOCUMENTOBSERVER_CONTENTSTATECHANGED \
virtual void ContentStateChanged(nsIDocument* aDocument, \
nsIContent* aContent, \
nsEventStates aStateMask);
#define NS_DECL_NSIDOCUMENTOBSERVER_DOCUMENTSTATESCHANGED \
virtual void DocumentStatesChanged(nsIDocument* aDocument, \
nsEventStates aStateMask);
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETADDED \
virtual void StyleSheetAdded(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
bool aDocumentSheet);
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETREMOVED \
virtual void StyleSheetRemoved(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
bool aDocumentSheet);
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETAPPLICABLESTATECHANGED \
virtual void StyleSheetApplicableStateChanged(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet,\
bool aApplicable);
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLERULECHANGED \
virtual void StyleRuleChanged(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
nsIStyleRule* aOldStyleRule, \
nsIStyleRule* aNewStyleRule);
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLERULEADDED \
virtual void StyleRuleAdded(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
nsIStyleRule* aStyleRule);
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLERULEREMOVED \
virtual void StyleRuleRemoved(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
nsIStyleRule* aStyleRule);
#define NS_DECL_NSIDOCUMENTOBSERVER \
NS_DECL_NSIDOCUMENTOBSERVER_BEGINUPDATE \
NS_DECL_NSIDOCUMENTOBSERVER_ENDUPDATE \
NS_DECL_NSIDOCUMENTOBSERVER_BEGINLOAD \
NS_DECL_NSIDOCUMENTOBSERVER_ENDLOAD \
NS_DECL_NSIDOCUMENTOBSERVER_CONTENTSTATECHANGED \
NS_DECL_NSIDOCUMENTOBSERVER_DOCUMENTSTATESCHANGED \
NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETADDED \
NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETREMOVED \
NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETAPPLICABLESTATECHANGED \
NS_DECL_NSIDOCUMENTOBSERVER_STYLERULECHANGED \
NS_DECL_NSIDOCUMENTOBSERVER_STYLERULEADDED \
NS_DECL_NSIDOCUMENTOBSERVER_STYLERULEREMOVED \
NS_DECL_NSIMUTATIONOBSERVER
#define NS_IMPL_NSIDOCUMENTOBSERVER_CORE_STUB(_class) \
void \
_class::BeginUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType) \
{ \
} \
void \
_class::EndUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType) \
{ \
} \
NS_IMPL_NSIMUTATIONOBSERVER_CORE_STUB(_class)
#define NS_IMPL_NSIDOCUMENTOBSERVER_LOAD_STUB(_class) \
void \
_class::BeginLoad(nsIDocument* aDocument) \
{ \
} \
void \
_class::EndLoad(nsIDocument* aDocument) \
{ \
}
#define NS_IMPL_NSIDOCUMENTOBSERVER_STATE_STUB(_class) \
void \
_class::ContentStateChanged(nsIDocument* aDocument, \
nsIContent* aContent, \
nsEventStates aStateMask) \
{ \
} \
\
void \
_class::DocumentStatesChanged(nsIDocument* aDocument, \
nsEventStates aStateMask) \
{ \
}
#define NS_IMPL_NSIDOCUMENTOBSERVER_CONTENT(_class) \
NS_IMPL_NSIMUTATIONOBSERVER_CONTENT(_class)
#define NS_IMPL_NSIDOCUMENTOBSERVER_STYLE_STUB(_class) \
void \
_class::StyleSheetAdded(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
bool aDocumentSheet) \
{ \
} \
void \
_class::StyleSheetRemoved(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
bool aDocumentSheet) \
{ \
} \
void \
_class::StyleSheetApplicableStateChanged(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
bool aApplicable) \
{ \
} \
void \
_class::StyleRuleChanged(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
nsIStyleRule* aOldStyleRule, \
nsIStyleRule* aNewStyleRule) \
{ \
} \
void \
_class::StyleRuleAdded(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
nsIStyleRule* aStyleRule) \
{ \
} \
void \
_class::StyleRuleRemoved(nsIDocument* aDocument, \
nsIStyleSheet* aStyleSheet, \
nsIStyleRule* aStyleRule) \
{ \
}
#endif /* nsIDocumentObserver_h___ */
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