1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/cocoa/nsChangeObserver.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,44 @@
1.4 +/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + *
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef nsChangeObserver_h_
1.11 +#define nsChangeObserver_h_
1.12 +
1.13 +class nsIContent;
1.14 +class nsIDocument;
1.15 +class nsIAtom;
1.16 +
1.17 +#define NS_DECL_CHANGEOBSERVER \
1.18 +void ObserveAttributeChanged(nsIDocument *aDocument, nsIContent *aContent, nsIAtom *aAttribute); \
1.19 +void ObserveContentRemoved(nsIDocument *aDocument, nsIContent *aChild, int32_t aIndexInContainer); \
1.20 +void ObserveContentInserted(nsIDocument *aDocument, nsIContent* aContainer, nsIContent *aChild);
1.21 +
1.22 +// Something that wants to be alerted to changes in attributes or changes in
1.23 +// its corresponding content object.
1.24 +//
1.25 +// This interface is used by our menu code so we only have to have one
1.26 +// nsIDocumentObserver.
1.27 +//
1.28 +// Any class that implements this interface must take care to unregister itself
1.29 +// on deletion.
1.30 +class nsChangeObserver
1.31 +{
1.32 +public:
1.33 + // XXX use dom::Element
1.34 + virtual void ObserveAttributeChanged(nsIDocument* aDocument,
1.35 + nsIContent* aContent,
1.36 + nsIAtom* aAttribute)=0;
1.37 +
1.38 + virtual void ObserveContentRemoved(nsIDocument* aDocument,
1.39 + nsIContent* aChild,
1.40 + int32_t aIndexInContainer)=0;
1.41 +
1.42 + virtual void ObserveContentInserted(nsIDocument* aDocument,
1.43 + nsIContent* aContainer,
1.44 + nsIContent* aChild)=0;
1.45 +};
1.46 +
1.47 +#endif // nsChangeObserver_h_
