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 : * Markus Stange <mstange@themasta.com>
19 : * Portions created by the Initial Developer are Copyright (C) 2008
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either the GNU General Public License Version 2 or later (the "GPL"), or
26 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #include "nsDOMMouseScrollEvent.h"
39 : #include "nsGUIEvent.h"
40 : #include "nsIContent.h"
41 : #include "nsContentUtils.h"
42 :
43 0 : nsDOMMouseScrollEvent::nsDOMMouseScrollEvent(nsPresContext* aPresContext,
44 : nsInputEvent* aEvent)
45 : : nsDOMMouseEvent(aPresContext, aEvent ? aEvent :
46 0 : new nsMouseScrollEvent(false, 0, nsnull))
47 : {
48 0 : if (aEvent) {
49 0 : mEventIsInternal = false;
50 : } else {
51 0 : mEventIsInternal = true;
52 0 : mEvent->time = PR_Now();
53 0 : mEvent->refPoint.x = mEvent->refPoint.y = 0;
54 0 : static_cast<nsMouseEvent*>(mEvent)->inputSource = nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
55 : }
56 :
57 0 : if(mEvent->eventStructType == NS_MOUSE_SCROLL_EVENT) {
58 0 : nsMouseScrollEvent* mouseEvent = static_cast<nsMouseScrollEvent*>(mEvent);
59 0 : mDetail = mouseEvent->delta;
60 : }
61 0 : }
62 :
63 0 : nsDOMMouseScrollEvent::~nsDOMMouseScrollEvent()
64 : {
65 0 : if (mEventIsInternal && mEvent) {
66 0 : switch (mEvent->eventStructType)
67 : {
68 : case NS_MOUSE_SCROLL_EVENT:
69 0 : delete static_cast<nsMouseScrollEvent*>(mEvent);
70 0 : break;
71 : default:
72 0 : delete mEvent;
73 0 : break;
74 : }
75 0 : mEvent = nsnull;
76 : }
77 0 : }
78 :
79 0 : NS_IMPL_ADDREF_INHERITED(nsDOMMouseScrollEvent, nsDOMMouseEvent)
80 0 : NS_IMPL_RELEASE_INHERITED(nsDOMMouseScrollEvent, nsDOMMouseEvent)
81 :
82 : DOMCI_DATA(MouseScrollEvent, nsDOMMouseScrollEvent)
83 :
84 0 : NS_INTERFACE_MAP_BEGIN(nsDOMMouseScrollEvent)
85 0 : NS_INTERFACE_MAP_ENTRY(nsIDOMMouseScrollEvent)
86 0 : NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(MouseScrollEvent)
87 0 : NS_INTERFACE_MAP_END_INHERITING(nsDOMMouseEvent)
88 :
89 : NS_IMETHODIMP
90 0 : nsDOMMouseScrollEvent::InitMouseScrollEvent(const nsAString & aType, bool aCanBubble, bool aCancelable,
91 : nsIDOMWindow *aView, PRInt32 aDetail, PRInt32 aScreenX,
92 : PRInt32 aScreenY, PRInt32 aClientX, PRInt32 aClientY,
93 : bool aCtrlKey, bool aAltKey, bool aShiftKey,
94 : bool aMetaKey, PRUint16 aButton, nsIDOMEventTarget *aRelatedTarget,
95 : PRInt32 aAxis)
96 : {
97 : nsresult rv = nsDOMMouseEvent::InitMouseEvent(aType, aCanBubble, aCancelable, aView, aDetail,
98 : aScreenX, aScreenY, aClientX, aClientY, aCtrlKey,
99 0 : aAltKey, aShiftKey, aMetaKey, aButton, aRelatedTarget);
100 0 : NS_ENSURE_SUCCESS(rv, rv);
101 :
102 0 : if (mEvent->eventStructType == NS_MOUSE_SCROLL_EVENT) {
103 : static_cast<nsMouseScrollEvent*>(mEvent)->scrollFlags =
104 : (aAxis == HORIZONTAL_AXIS) ? nsMouseScrollEvent::kIsHorizontal
105 0 : : nsMouseScrollEvent::kIsVertical;
106 : }
107 :
108 0 : return NS_OK;
109 : }
110 :
111 :
112 : NS_IMETHODIMP
113 0 : nsDOMMouseScrollEvent::GetAxis(PRInt32* aResult)
114 : {
115 0 : NS_ENSURE_ARG_POINTER(aResult);
116 :
117 0 : if (mEvent->eventStructType == NS_MOUSE_SCROLL_EVENT) {
118 0 : PRUint32 flags = static_cast<nsMouseScrollEvent*>(mEvent)->scrollFlags;
119 : *aResult = (flags & nsMouseScrollEvent::kIsHorizontal)
120 0 : ? PRInt32(HORIZONTAL_AXIS) : PRInt32(VERTICAL_AXIS);
121 : } else {
122 0 : *aResult = 0;
123 : }
124 0 : return NS_OK;
125 : }
126 :
127 0 : nsresult NS_NewDOMMouseScrollEvent(nsIDOMEvent** aInstancePtrResult,
128 : nsPresContext* aPresContext,
129 : nsInputEvent *aEvent)
130 : {
131 0 : nsDOMMouseScrollEvent* it = new nsDOMMouseScrollEvent(aPresContext, aEvent);
132 0 : return CallQueryInterface(it, aInstancePtrResult);
133 : }
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