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comparison: widget/cocoa/nsChangeObserver.h
widget/cocoa/nsChangeObserver.h
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:82172851ba31 |
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| 1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef nsChangeObserver_h_ | |
| 8 #define nsChangeObserver_h_ | |
| 9 | |
| 10 class nsIContent; | |
| 11 class nsIDocument; | |
| 12 class nsIAtom; | |
| 13 | |
| 14 #define NS_DECL_CHANGEOBSERVER \ | |
| 15 void ObserveAttributeChanged(nsIDocument *aDocument, nsIContent *aContent, nsIAtom *aAttribute); \ | |
| 16 void ObserveContentRemoved(nsIDocument *aDocument, nsIContent *aChild, int32_t aIndexInContainer); \ | |
| 17 void ObserveContentInserted(nsIDocument *aDocument, nsIContent* aContainer, nsIContent *aChild); | |
| 18 | |
| 19 // Something that wants to be alerted to changes in attributes or changes in | |
| 20 // its corresponding content object. | |
| 21 // | |
| 22 // This interface is used by our menu code so we only have to have one | |
| 23 // nsIDocumentObserver. | |
| 24 // | |
| 25 // Any class that implements this interface must take care to unregister itself | |
| 26 // on deletion. | |
| 27 class nsChangeObserver | |
| 28 { | |
| 29 public: | |
| 30 // XXX use dom::Element | |
| 31 virtual void ObserveAttributeChanged(nsIDocument* aDocument, | |
| 32 nsIContent* aContent, | |
| 33 nsIAtom* aAttribute)=0; | |
| 34 | |
| 35 virtual void ObserveContentRemoved(nsIDocument* aDocument, | |
| 36 nsIContent* aChild, | |
| 37 int32_t aIndexInContainer)=0; | |
| 38 | |
| 39 virtual void ObserveContentInserted(nsIDocument* aDocument, | |
| 40 nsIContent* aContainer, | |
| 41 nsIContent* aChild)=0; | |
| 42 }; | |
| 43 | |
| 44 #endif // nsChangeObserver_h_ |
