1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is mozilla.org code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Original Author: David W. Hyatt (hyatt@netscape.com)
24 : * Dean Tessman <dean_tessman@hotmail.com>
25 : * Pierre Phaneuf <pp@ludusdesign.com>
26 : * Robert O'Callahan <roc+moz@cs.cmu.edu>
27 : *
28 : * Alternatively, the contents of this file may be used under the terms of
29 : * either of the GNU General Public License Version 2 or later (the "GPL"),
30 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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39 : *
40 : * ***** END LICENSE BLOCK ***** */
41 :
42 : /**
43 : * This is the popup listener implementation for popup menus and context menus.
44 : */
45 :
46 : #ifndef nsXULPopupListener_h___
47 : #define nsXULPopupListener_h___
48 :
49 : #include "nsCOMPtr.h"
50 :
51 : #include "nsIContent.h"
52 : #include "nsIDOMElement.h"
53 : #include "nsIDOMMouseEvent.h"
54 : #include "nsIFrame.h"
55 : #include "nsIDOMEventListener.h"
56 : #include "nsCycleCollectionParticipant.h"
57 :
58 : class nsXULPopupListener : public nsIDOMEventListener
59 : {
60 : public:
61 : // aElement is the element that the popup is attached to. If aIsContext is
62 : // false, the popup opens on left click on aElement or a descendant. If
63 : // aIsContext is true, the popup is a context menu which opens on a
64 : // context menu event.
65 : nsXULPopupListener(nsIDOMElement *aElement, bool aIsContext);
66 : virtual ~nsXULPopupListener(void);
67 :
68 : // nsISupports
69 0 : NS_DECL_CYCLE_COLLECTING_ISUPPORTS
70 1464 : NS_DECL_CYCLE_COLLECTION_CLASS(nsXULPopupListener)
71 : NS_DECL_NSIDOMEVENTLISTENER
72 :
73 : protected:
74 : // open the popup. aEvent is the event that triggered the popup such as
75 : // a mouse click and aTargetContent is the target of this event.
76 : virtual nsresult LaunchPopup(nsIDOMEvent* aEvent, nsIContent* aTargetContent);
77 :
78 : // close the popup when the listener goes away
79 : virtual void ClosePopup();
80 :
81 : private:
82 : #ifndef NS_CONTEXT_MENU_IS_MOUSEUP
83 : // When a context menu is opened, focus the target of the contextmenu event.
84 : nsresult FireFocusOnTargetContent(nsIDOMNode* aTargetNode);
85 : #endif
86 :
87 : // |mElement| is the node to which this listener is attached.
88 : nsCOMPtr<nsIDOMElement> mElement;
89 :
90 : // The popup that is getting shown on top of mElement.
91 : nsCOMPtr<nsIContent> mPopupContent;
92 :
93 : // true if a context popup
94 : bool mIsContext;
95 : };
96 :
97 : #endif // nsXULPopupListener_h___
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