The Tor Browser: widget/cocoa/nsChangeObserver.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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/. */

     7 #ifndef nsChangeObserver_h_

     8 #define nsChangeObserver_h_

    10 class nsIContent;

    11 class nsIDocument;

    12 class nsIAtom;

    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);

    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;

    35   virtual void ObserveContentRemoved(nsIDocument* aDocument,

    36                                      nsIContent* aChild,

    37                                      int32_t aIndexInContainer)=0;

    39   virtual void ObserveContentInserted(nsIDocument* aDocument,

    40                                       nsIContent* aContainer,

    41                                       nsIContent* aChild)=0;

    42 };

    44 #endif // nsChangeObserver_h_

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