widget/cocoa/nsChangeObserver.h

Wed, 31 Dec 2014 06:55:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:55:50 +0100
changeset 2
7e26c7da4463
permissions
-rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

michael@0 1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0 2 *
michael@0 3 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef nsChangeObserver_h_
michael@0 8 #define nsChangeObserver_h_
michael@0 9
michael@0 10 class nsIContent;
michael@0 11 class nsIDocument;
michael@0 12 class nsIAtom;
michael@0 13
michael@0 14 #define NS_DECL_CHANGEOBSERVER \
michael@0 15 void ObserveAttributeChanged(nsIDocument *aDocument, nsIContent *aContent, nsIAtom *aAttribute); \
michael@0 16 void ObserveContentRemoved(nsIDocument *aDocument, nsIContent *aChild, int32_t aIndexInContainer); \
michael@0 17 void ObserveContentInserted(nsIDocument *aDocument, nsIContent* aContainer, nsIContent *aChild);
michael@0 18
michael@0 19 // Something that wants to be alerted to changes in attributes or changes in
michael@0 20 // its corresponding content object.
michael@0 21 //
michael@0 22 // This interface is used by our menu code so we only have to have one
michael@0 23 // nsIDocumentObserver.
michael@0 24 //
michael@0 25 // Any class that implements this interface must take care to unregister itself
michael@0 26 // on deletion.
michael@0 27 class nsChangeObserver
michael@0 28 {
michael@0 29 public:
michael@0 30 // XXX use dom::Element
michael@0 31 virtual void ObserveAttributeChanged(nsIDocument* aDocument,
michael@0 32 nsIContent* aContent,
michael@0 33 nsIAtom* aAttribute)=0;
michael@0 34
michael@0 35 virtual void ObserveContentRemoved(nsIDocument* aDocument,
michael@0 36 nsIContent* aChild,
michael@0 37 int32_t aIndexInContainer)=0;
michael@0 38
michael@0 39 virtual void ObserveContentInserted(nsIDocument* aDocument,
michael@0 40 nsIContent* aContainer,
michael@0 41 nsIContent* aChild)=0;
michael@0 42 };
michael@0 43
michael@0 44 #endif // nsChangeObserver_h_

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