bf3516e81e
In modern C++, static constexpr member variables are automatically inline (aka weak) so the template trick is not needed. This also avoid duplication and reduces the amount of parsed code. No impact on generated binary (actually: smaller debuginfo, close to identical binary). Differential Revision: https://phabricator.services.mozilla.com/D247825
115 lines
4.1 KiB
C++
115 lines
4.1 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 nsIDocumentObserver_h___
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#define nsIDocumentObserver_h___
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#include "nsISupports.h"
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#include "nsIMutationObserver.h"
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#include "mozilla/dom/RustTypes.h"
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namespace mozilla {
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namespace dom {
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class Document;
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class Element;
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} // namespace dom
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} // namespace mozilla
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#define NS_IDOCUMENT_OBSERVER_IID \
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{0x71041fa3, 0x6dd7, 0x4cde, {0xbb, 0x76, 0xae, 0xcc, 0x69, 0xe1, 0x75, 0x78}}
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// Document observer interface
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class nsIDocumentObserver : public nsIMutationObserver {
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public:
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NS_INLINE_DECL_STATIC_IID(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(mozilla::dom::Document*) = 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(mozilla::dom::Document*) = 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(mozilla::dom::Document*) = 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(mozilla::dom::Document*) = 0;
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/**
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* Notification that the state of an element has changed. (ie: gained or lost
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* focus, became active or hovered over)
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*
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* This method is called automatically by elements when their state is changed
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* (therefore there is normally no need to invoke this method directly).
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*
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* This notification is not sent when elements are added/removed from the
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* document (the other notifications are used for that).
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*
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* @param Document The document being observed
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* @param Element the piece of content that changed
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* @param ElementState the element states that changed
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*/
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virtual void ElementStateChanged(mozilla::dom::Document*,
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mozilla::dom::Element*,
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mozilla::dom::ElementState) = 0;
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};
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#define NS_DECL_NSIDOCUMENTOBSERVER_BEGINUPDATE \
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virtual void BeginUpdate(mozilla::dom::Document*) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_ENDUPDATE \
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virtual void EndUpdate(mozilla::dom::Document*) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_BEGINLOAD \
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virtual void BeginLoad(mozilla::dom::Document*) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_ENDLOAD \
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virtual void EndLoad(mozilla::dom::Document*) override;
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#define NS_DECL_NSIDOCUMENTOBSERVER_CONTENTSTATECHANGED \
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virtual void ElementStateChanged(mozilla::dom::Document*, \
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mozilla::dom::Element*, \
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mozilla::dom::ElementState) 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_NSIMUTATIONOBSERVER
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#define NS_IMPL_NSIDOCUMENTOBSERVER_CORE_STUB(_class) \
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void _class::BeginUpdate(mozilla::dom::Document*) {} \
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void _class::EndUpdate(mozilla::dom::Document*) {} \
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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 _class::BeginLoad(mozilla::dom::Document*) {} \
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void _class::EndLoad(mozilla::dom::Document*) {}
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#define NS_IMPL_NSIDOCUMENTOBSERVER_STATE_STUB(_class) \
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void _class::ElementStateChanged(mozilla::dom::Document*, \
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mozilla::dom::Element*, \
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mozilla::dom::ElementState) {}
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#define NS_IMPL_NSIDOCUMENTOBSERVER_CONTENT(_class) \
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NS_IMPL_NSIMUTATIONOBSERVER_CONTENT(_class)
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#endif /* nsIDocumentObserver_h___ */
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