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 : * Mozilla Foundation.
19 : * Portions created by the Initial Developer are Copyright (C) 2007
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Alexander Surkov <surkov.alexander@gmail.com> (original author)
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 : #include "nsDOMDataContainerEvent.h"
40 :
41 : #include "nsContentUtils.h"
42 :
43 0 : nsDOMDataContainerEvent::nsDOMDataContainerEvent(nsPresContext *aPresContext,
44 : nsEvent *aEvent)
45 0 : : nsDOMEvent(aPresContext, aEvent)
46 : {
47 0 : mData.Init();
48 0 : }
49 :
50 1464 : NS_IMPL_CYCLE_COLLECTION_CLASS(nsDOMDataContainerEvent)
51 :
52 0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(nsDOMDataContainerEvent,
53 : nsDOMEvent)
54 0 : if (tmp->mData.IsInitialized())
55 0 : tmp->mData.Clear();
56 0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_END
57 :
58 0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(nsDOMDataContainerEvent,
59 : nsDOMEvent)
60 0 : tmp->mData.EnumerateRead(TraverseEntry, &cb);
61 0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
62 :
63 0 : NS_IMPL_ADDREF_INHERITED(nsDOMDataContainerEvent, nsDOMEvent)
64 0 : NS_IMPL_RELEASE_INHERITED(nsDOMDataContainerEvent, nsDOMEvent)
65 :
66 : DOMCI_DATA(DataContainerEvent, nsDOMDataContainerEvent)
67 :
68 0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(nsDOMDataContainerEvent)
69 0 : NS_INTERFACE_MAP_ENTRY(nsIDOMDataContainerEvent)
70 0 : NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(DataContainerEvent)
71 0 : NS_INTERFACE_MAP_END_INHERITING(nsDOMEvent)
72 :
73 : NS_IMETHODIMP
74 0 : nsDOMDataContainerEvent::GetData(const nsAString& aKey, nsIVariant **aData)
75 : {
76 0 : NS_ENSURE_ARG_POINTER(aData);
77 :
78 0 : NS_ENSURE_STATE(mData.IsInitialized());
79 :
80 0 : mData.Get(aKey, aData);
81 0 : return NS_OK;
82 : }
83 :
84 : NS_IMETHODIMP
85 0 : nsDOMDataContainerEvent::SetData(const nsAString& aKey, nsIVariant *aData)
86 : {
87 0 : NS_ENSURE_ARG(aData);
88 :
89 : // Make sure this event isn't already being dispatched.
90 0 : NS_ENSURE_STATE(!(NS_IS_EVENT_IN_DISPATCH(mEvent)));
91 0 : NS_ENSURE_STATE(mData.IsInitialized());
92 0 : return mData.Put(aKey, aData) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
93 : }
94 :
95 : nsresult
96 0 : NS_NewDOMDataContainerEvent(nsIDOMEvent** aInstancePtrResult,
97 : nsPresContext* aPresContext,
98 : nsEvent* aEvent)
99 : {
100 : nsDOMDataContainerEvent* it =
101 0 : new nsDOMDataContainerEvent(aPresContext, aEvent);
102 0 : NS_ENSURE_TRUE(it, NS_ERROR_OUT_OF_MEMORY);
103 :
104 0 : return CallQueryInterface(it, aInstancePtrResult);
105 : }
106 :
107 : PLDHashOperator
108 0 : nsDOMDataContainerEvent::TraverseEntry(const nsAString& aKey,
109 : nsIVariant *aDataItem,
110 : void* aUserArg)
111 : {
112 : nsCycleCollectionTraversalCallback *cb =
113 0 : static_cast<nsCycleCollectionTraversalCallback*>(aUserArg);
114 0 : cb->NoteXPCOMChild(aDataItem);
115 :
116 0 : return PL_DHASH_NEXT;
117 4392 : }
118 :
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