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 Communicator client 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 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either of the GNU General Public License Version 2 or later (the "GPL"),
27 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : #ifndef nsXBLEventHandler_h__
40 : #define nsXBLEventHandler_h__
41 :
42 : #include "nsCOMPtr.h"
43 : #include "nsIDOMEventListener.h"
44 : #include "nsTArray.h"
45 :
46 : class nsIAtom;
47 : class nsIContent;
48 : class nsIDOMKeyEvent;
49 : class nsXBLPrototypeHandler;
50 :
51 : class nsXBLEventHandler : public nsIDOMEventListener
52 : {
53 : public:
54 : nsXBLEventHandler(nsXBLPrototypeHandler* aHandler);
55 : virtual ~nsXBLEventHandler();
56 :
57 : NS_DECL_ISUPPORTS
58 :
59 : NS_DECL_NSIDOMEVENTLISTENER
60 :
61 : protected:
62 : nsXBLPrototypeHandler* mProtoHandler;
63 :
64 : private:
65 : nsXBLEventHandler();
66 0 : virtual bool EventMatched(nsIDOMEvent* aEvent)
67 : {
68 0 : return true;
69 : }
70 : };
71 :
72 : class nsXBLMouseEventHandler : public nsXBLEventHandler
73 : {
74 : public:
75 : nsXBLMouseEventHandler(nsXBLPrototypeHandler* aHandler);
76 : virtual ~nsXBLMouseEventHandler();
77 :
78 : private:
79 : bool EventMatched(nsIDOMEvent* aEvent);
80 : };
81 :
82 : class nsXBLKeyEventHandler : public nsIDOMEventListener
83 : {
84 : public:
85 : nsXBLKeyEventHandler(nsIAtom* aEventType, PRUint8 aPhase, PRUint8 aType);
86 : virtual ~nsXBLKeyEventHandler();
87 :
88 : NS_DECL_ISUPPORTS
89 :
90 : NS_DECL_NSIDOMEVENTLISTENER
91 :
92 0 : void AddProtoHandler(nsXBLPrototypeHandler* aProtoHandler)
93 : {
94 0 : mProtoHandlers.AppendElement(aProtoHandler);
95 0 : }
96 :
97 0 : bool Matches(nsIAtom* aEventType, PRUint8 aPhase, PRUint8 aType) const
98 : {
99 0 : return (mEventType == aEventType && mPhase == aPhase && mType == aType);
100 : }
101 :
102 0 : void GetEventName(nsAString& aString) const
103 : {
104 0 : mEventType->ToString(aString);
105 0 : }
106 :
107 0 : PRUint8 GetPhase() const
108 : {
109 0 : return mPhase;
110 : }
111 :
112 0 : PRUint8 GetType() const
113 : {
114 0 : return mType;
115 : }
116 :
117 0 : void SetIsBoundToChrome(bool aIsBoundToChrome)
118 : {
119 0 : mIsBoundToChrome = aIsBoundToChrome;
120 0 : }
121 : private:
122 : nsXBLKeyEventHandler();
123 : bool ExecuteMatchedHandlers(nsIDOMKeyEvent* aEvent, PRUint32 aCharCode,
124 : bool aIgnoreShiftKey);
125 :
126 : nsTArray<nsXBLPrototypeHandler*> mProtoHandlers;
127 : nsCOMPtr<nsIAtom> mEventType;
128 : PRUint8 mPhase;
129 : PRUint8 mType;
130 : bool mIsBoundToChrome;
131 : };
132 :
133 : nsresult
134 : NS_NewXBLEventHandler(nsXBLPrototypeHandler* aHandler,
135 : nsIAtom* aEventType,
136 : nsXBLEventHandler** aResult);
137 :
138 : nsresult
139 : NS_NewXBLKeyEventHandler(nsIAtom* aEventType, PRUint8 aPhase,
140 : PRUint8 aType, nsXBLKeyEventHandler** aResult);
141 :
142 : #endif
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