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 code.
16 : *
17 : * The Initial Developer of the Original Code is Mozilla Foundation
18 : * Portions created by the Initial Developer are Copyright (C) 2009
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : * Roy Frostig <froystig@cs.stanford.edu>
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either of the GNU General Public License Version 2 or later (the "GPL"),
26 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
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30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #include "base/basictypes.h"
39 : #include "IPC/IPCMessageUtils.h"
40 :
41 : #include "nsDOMScrollAreaEvent.h"
42 : #include "nsGUIEvent.h"
43 : #include "nsClientRect.h"
44 : #include "nsDOMClassInfoID.h"
45 : #include "nsIClassInfo.h"
46 : #include "nsIXPCScriptable.h"
47 :
48 0 : nsDOMScrollAreaEvent::nsDOMScrollAreaEvent(nsPresContext *aPresContext,
49 : nsScrollAreaEvent *aEvent)
50 0 : : nsDOMUIEvent(aPresContext, aEvent)
51 : {
52 0 : mClientArea.SetLayoutRect(aEvent ? aEvent->mArea : nsRect());
53 0 : }
54 :
55 0 : nsDOMScrollAreaEvent::~nsDOMScrollAreaEvent()
56 : {
57 0 : if (mEventIsInternal && mEvent) {
58 0 : if (mEvent->eventStructType == NS_SCROLLAREA_EVENT) {
59 0 : delete static_cast<nsScrollAreaEvent *>(mEvent);
60 0 : mEvent = nsnull;
61 : }
62 : }
63 0 : }
64 :
65 0 : NS_IMPL_ADDREF_INHERITED(nsDOMScrollAreaEvent, nsDOMUIEvent)
66 0 : NS_IMPL_RELEASE_INHERITED(nsDOMScrollAreaEvent, nsDOMUIEvent)
67 :
68 : DOMCI_DATA(ScrollAreaEvent, nsDOMScrollAreaEvent)
69 :
70 0 : NS_INTERFACE_MAP_BEGIN(nsDOMScrollAreaEvent)
71 0 : NS_INTERFACE_MAP_ENTRY(nsIDOMScrollAreaEvent)
72 0 : NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(ScrollAreaEvent)
73 0 : NS_INTERFACE_MAP_END_INHERITING(nsDOMUIEvent)
74 :
75 :
76 : NS_IMETHODIMP
77 0 : nsDOMScrollAreaEvent::GetX(float *aX)
78 : {
79 0 : return mClientArea.GetLeft(aX);
80 : }
81 :
82 : NS_IMETHODIMP
83 0 : nsDOMScrollAreaEvent::GetY(float *aY)
84 : {
85 0 : return mClientArea.GetTop(aY);
86 : }
87 :
88 : NS_IMETHODIMP
89 0 : nsDOMScrollAreaEvent::GetWidth(float *aWidth)
90 : {
91 0 : return mClientArea.GetWidth(aWidth);
92 : }
93 :
94 : NS_IMETHODIMP
95 0 : nsDOMScrollAreaEvent::GetHeight(float *aHeight)
96 : {
97 0 : return mClientArea.GetHeight(aHeight);
98 : }
99 :
100 : NS_IMETHODIMP
101 0 : nsDOMScrollAreaEvent::InitScrollAreaEvent(const nsAString &aEventType,
102 : bool aCanBubble,
103 : bool aCancelable,
104 : nsIDOMWindow *aView,
105 : PRInt32 aDetail,
106 : float aX, float aY,
107 : float aWidth, float aHeight)
108 : {
109 0 : nsresult rv = nsDOMUIEvent::InitUIEvent(aEventType, aCanBubble, aCancelable, aView, aDetail);
110 0 : NS_ENSURE_SUCCESS(rv, rv);
111 :
112 0 : mClientArea.SetRect(aX, aY, aWidth, aHeight);
113 :
114 0 : return NS_OK;
115 : }
116 :
117 : void
118 0 : nsDOMScrollAreaEvent::Serialize(IPC::Message* aMsg,
119 : bool aSerializeInterfaceType)
120 : {
121 0 : if (aSerializeInterfaceType) {
122 0 : IPC::WriteParam(aMsg, NS_LITERAL_STRING("scrollareaevent"));
123 : }
124 :
125 0 : nsDOMEvent::Serialize(aMsg, false);
126 :
127 : float val;
128 0 : mClientArea.GetLeft(&val);
129 0 : IPC::WriteParam(aMsg, val);
130 0 : mClientArea.GetTop(&val);
131 0 : IPC::WriteParam(aMsg, val);
132 0 : mClientArea.GetWidth(&val);
133 0 : IPC::WriteParam(aMsg, val);
134 0 : mClientArea.GetHeight(&val);
135 0 : IPC::WriteParam(aMsg, val);
136 0 : }
137 :
138 : bool
139 0 : nsDOMScrollAreaEvent::Deserialize(const IPC::Message* aMsg, void** aIter)
140 : {
141 0 : NS_ENSURE_TRUE(nsDOMEvent::Deserialize(aMsg, aIter), false);
142 :
143 : float x, y, width, height;
144 0 : NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &x), false);
145 0 : NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &y), false);
146 0 : NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &width), false);
147 0 : NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &height), false);
148 0 : mClientArea.SetRect(x, y, width, height);
149 :
150 0 : return true;
151 : }
152 :
153 : nsresult
154 0 : NS_NewDOMScrollAreaEvent(nsIDOMEvent **aInstancePtrResult,
155 : nsPresContext *aPresContext,
156 : nsScrollAreaEvent *aEvent)
157 : {
158 0 : nsDOMScrollAreaEvent *ev = new nsDOMScrollAreaEvent(aPresContext, aEvent);
159 0 : return CallQueryInterface(ev, aInstancePtrResult);
160 : }
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