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 : * Andrei Volkov <av@netscape.com>
24 : * Brian Stell <bstell@netscape.com>
25 : * Peter Lubczynski <peterl@netscape.com>
26 : *
27 : * Alternatively, the contents of this file may be used under the terms of
28 : * either the GNU General Public License Version 2 or later (the "GPL"), or
29 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30 : * in which case the provisions of the GPL or the LGPL are applicable instead
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36 : * the provisions above, a recipient may use your version of this file under
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38 : *
39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #ifndef _nsPluginNativeWindow_h_
42 : #define _nsPluginNativeWindow_h_
43 :
44 : #include "nscore.h"
45 : #include "nsAutoPtr.h"
46 : #include "nsCOMPtr.h"
47 : #include "nsNPAPIPluginInstance.h"
48 : #include "npapi.h"
49 : #include "nsIWidget.h"
50 : #include "nsTraceRefcnt.h"
51 :
52 : /**
53 : * base class for native plugin window implementations
54 : */
55 : class nsPluginNativeWindow : public NPWindow
56 : {
57 : public:
58 0 : nsPluginNativeWindow() : NPWindow() {
59 0 : MOZ_COUNT_CTOR(nsPluginNativeWindow);
60 0 : }
61 :
62 0 : virtual ~nsPluginNativeWindow() {
63 0 : MOZ_COUNT_DTOR(nsPluginNativeWindow);
64 0 : }
65 :
66 : /**
67 : * !!! CAUTION !!!
68 : *
69 : * The base class |nsPluginWindow| is defined as a struct in nsplugindefs.h,
70 : * thus it does not have a destructor of its own.
71 : * One should never attempt to delete |nsPluginNativeWindow| object instance
72 : * (or derivatives) using a pointer of |nsPluginWindow *| type. Should such
73 : * necessity occur it must be properly casted first.
74 : */
75 :
76 : public:
77 : nsresult GetPluginInstance(nsRefPtr<nsNPAPIPluginInstance> &aPluginInstance) {
78 : aPluginInstance = mPluginInstance;
79 : return NS_OK;
80 : }
81 0 : nsresult SetPluginInstance(nsNPAPIPluginInstance *aPluginInstance) {
82 0 : if (mPluginInstance != aPluginInstance)
83 0 : mPluginInstance = aPluginInstance;
84 0 : return NS_OK;
85 : }
86 :
87 0 : nsresult GetPluginWidget(nsIWidget **aWidget) {
88 0 : NS_IF_ADDREF(*aWidget = mWidget);
89 0 : return NS_OK;
90 : }
91 0 : nsresult SetPluginWidget(nsIWidget *aWidget) {
92 0 : mWidget = aWidget;
93 0 : return NS_OK;
94 : }
95 :
96 : public:
97 0 : virtual nsresult CallSetWindow(nsRefPtr<nsNPAPIPluginInstance> &aPluginInstance) {
98 : // null aPluginInstance means that we want to call SetWindow(null)
99 0 : if (aPluginInstance)
100 0 : aPluginInstance->SetWindow(this);
101 0 : else if (mPluginInstance)
102 0 : mPluginInstance->SetWindow(nsnull);
103 :
104 0 : SetPluginInstance(aPluginInstance);
105 0 : return NS_OK;
106 : }
107 :
108 : protected:
109 : nsRefPtr<nsNPAPIPluginInstance> mPluginInstance;
110 : nsCOMPtr<nsIWidget> mWidget;
111 : };
112 :
113 : nsresult PLUG_NewPluginNativeWindow(nsPluginNativeWindow ** aPluginNativeWindow);
114 : nsresult PLUG_DeletePluginNativeWindow(nsPluginNativeWindow * aPluginNativeWindow);
115 :
116 : #endif //_nsPluginNativeWindow_h_
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