зеркало из https://github.com/mozilla/gecko-dev.git
292 строки
14 KiB
C++
292 строки
14 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
#ifndef nsIDocumentObserver_h___
|
|
#define nsIDocumentObserver_h___
|
|
|
|
#include "mozilla/EventStates.h"
|
|
#include "mozilla/StyleSheetHandle.h"
|
|
#include "nsISupports.h"
|
|
#include "nsIMutationObserver.h"
|
|
|
|
class nsIContent;
|
|
class nsIDocument;
|
|
|
|
namespace mozilla {
|
|
namespace css {
|
|
class Rule;
|
|
} // namespace css
|
|
} // namespace mozilla
|
|
|
|
#define NS_IDOCUMENT_OBSERVER_IID \
|
|
{ 0x71041fa3, 0x6dd7, 0x4cde, \
|
|
{ 0xbb, 0x76, 0xae, 0xcc, 0x69, 0xe1, 0x75, 0x78 } }
|
|
|
|
typedef uint32_t 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,
|
|
mozilla::EventStates 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,
|
|
mozilla::EventStates 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 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(mozilla::StyleSheetHandle 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 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(mozilla::StyleSheetHandle 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 aStyleSheet the StyleSheet that has changed state
|
|
*/
|
|
virtual void StyleSheetApplicableStateChanged(mozilla::StyleSheetHandle aStyleSheet) = 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.
|
|
*
|
|
* @param aStyleSheet the StyleSheet that contians the rule
|
|
*/
|
|
virtual void StyleRuleChanged(mozilla::StyleSheetHandle aStyleSheet) = 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 aStyleSheet the StyleSheet that has been modified
|
|
*/
|
|
virtual void StyleRuleAdded(mozilla::StyleSheetHandle aStyleSheet) = 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 aStyleSheet the StyleSheet that has been modified
|
|
*/
|
|
virtual void StyleRuleRemoved(mozilla::StyleSheetHandle aStyleSheet) = 0;
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsIDocumentObserver, NS_IDOCUMENT_OBSERVER_IID)
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_BEGINUPDATE \
|
|
virtual void BeginUpdate(nsIDocument* aDocument, \
|
|
nsUpdateType aUpdateType) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_ENDUPDATE \
|
|
virtual void EndUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_BEGINLOAD \
|
|
virtual void BeginLoad(nsIDocument* aDocument) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_ENDLOAD \
|
|
virtual void EndLoad(nsIDocument* aDocument) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_CONTENTSTATECHANGED \
|
|
virtual void ContentStateChanged(nsIDocument* aDocument, \
|
|
nsIContent* aContent, \
|
|
mozilla::EventStates aStateMask) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_DOCUMENTSTATESCHANGED \
|
|
virtual void DocumentStatesChanged(nsIDocument* aDocument, \
|
|
mozilla::EventStates aStateMask) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETADDED \
|
|
virtual void StyleSheetAdded(mozilla::StyleSheetHandle aStyleSheet, \
|
|
bool aDocumentSheet) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETREMOVED \
|
|
virtual void StyleSheetRemoved(mozilla::StyleSheetHandle aStyleSheet, \
|
|
bool aDocumentSheet) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLESHEETAPPLICABLESTATECHANGED \
|
|
virtual void StyleSheetApplicableStateChanged( \
|
|
mozilla::StyleSheetHandle aStyleSheet) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLERULECHANGED \
|
|
virtual void StyleRuleChanged(mozilla::StyleSheetHandle aStyleSheet) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLERULEADDED \
|
|
virtual void StyleRuleAdded(mozilla::StyleSheetHandle aStyleSheet) override;
|
|
|
|
#define NS_DECL_NSIDOCUMENTOBSERVER_STYLERULEREMOVED \
|
|
virtual void StyleRuleRemoved(mozilla::StyleSheetHandle aStyleSheet) override;
|
|
|
|
#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, \
|
|
mozilla::EventStates aStateMask) \
|
|
{ \
|
|
} \
|
|
\
|
|
void \
|
|
_class::DocumentStatesChanged(nsIDocument* aDocument, \
|
|
mozilla::EventStates aStateMask) \
|
|
{ \
|
|
}
|
|
|
|
#define NS_IMPL_NSIDOCUMENTOBSERVER_CONTENT(_class) \
|
|
NS_IMPL_NSIMUTATIONOBSERVER_CONTENT(_class)
|
|
|
|
#define NS_IMPL_NSIDOCUMENTOBSERVER_STYLE_STUB(_class) \
|
|
void \
|
|
_class::StyleSheetAdded(mozilla::StyleSheetHandle aStyleSheet, \
|
|
bool aDocumentSheet) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::StyleSheetRemoved(mozilla::StyleSheetHandle aStyleSheet, \
|
|
bool aDocumentSheet) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::StyleSheetApplicableStateChanged(mozilla::StyleSheetHandle aStyleSheet) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::StyleRuleChanged(mozilla::StyleSheetHandle aStyleSheet) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::StyleRuleAdded(mozilla::StyleSheetHandle aStyleSheet) \
|
|
{ \
|
|
} \
|
|
void \
|
|
_class::StyleRuleRemoved(mozilla::StyleSheetHandle aStyleSheet) \
|
|
{ \
|
|
}
|
|
|
|
#endif /* nsIDocumentObserver_h___ */
|