/src/mozilla-central/dom/plugins/base/nsPluginNativeWindow.h
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1 | | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
3 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
4 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
5 | | |
6 | | #ifndef _nsPluginNativeWindow_h_ |
7 | | #define _nsPluginNativeWindow_h_ |
8 | | |
9 | | #include "nscore.h" |
10 | | #include "nsCOMPtr.h" |
11 | | #include "nsISupportsImpl.h" |
12 | | #include "nsNPAPIPluginInstance.h" |
13 | | #include "npapi.h" |
14 | | #include "nsIWidget.h" |
15 | | |
16 | | /** |
17 | | * base class for native plugin window implementations |
18 | | */ |
19 | | class nsPluginNativeWindow : public NPWindow |
20 | | { |
21 | | public: |
22 | 0 | nsPluginNativeWindow() : NPWindow() { |
23 | 0 | MOZ_COUNT_CTOR(nsPluginNativeWindow); |
24 | 0 | } |
25 | | |
26 | 0 | virtual ~nsPluginNativeWindow() { |
27 | 0 | MOZ_COUNT_DTOR(nsPluginNativeWindow); |
28 | 0 | } |
29 | | |
30 | | /** |
31 | | * !!! CAUTION !!! |
32 | | * |
33 | | * The base class |nsPluginWindow| is defined as a struct in nsplugindefs.h, |
34 | | * thus it does not have a destructor of its own. |
35 | | * One should never attempt to delete |nsPluginNativeWindow| object instance |
36 | | * (or derivatives) using a pointer of |nsPluginWindow *| type. Should such |
37 | | * necessity occur it must be properly casted first. |
38 | | */ |
39 | | |
40 | | public: |
41 | | nsresult GetPluginInstance(RefPtr<nsNPAPIPluginInstance> &aPluginInstance) { |
42 | | aPluginInstance = mPluginInstance; |
43 | | return NS_OK; |
44 | | } |
45 | 0 | nsresult SetPluginInstance(nsNPAPIPluginInstance *aPluginInstance) { |
46 | 0 | if (mPluginInstance != aPluginInstance) |
47 | 0 | mPluginInstance = aPluginInstance; |
48 | 0 | return NS_OK; |
49 | 0 | } |
50 | | |
51 | | nsresult GetPluginWidget(nsIWidget **aWidget) const { |
52 | | NS_IF_ADDREF(*aWidget = mWidget); |
53 | | return NS_OK; |
54 | | } |
55 | 0 | nsresult SetPluginWidget(nsIWidget *aWidget) { |
56 | 0 | mWidget = aWidget; |
57 | 0 | return NS_OK; |
58 | 0 | } |
59 | | |
60 | | public: |
61 | 0 | virtual nsresult CallSetWindow(RefPtr<nsNPAPIPluginInstance> &aPluginInstance) { |
62 | 0 | // null aPluginInstance means that we want to call SetWindow(null) |
63 | 0 | if (aPluginInstance) |
64 | 0 | aPluginInstance->SetWindow(this); |
65 | 0 | else if (mPluginInstance) |
66 | 0 | mPluginInstance->SetWindow(nullptr); |
67 | 0 |
|
68 | 0 | SetPluginInstance(aPluginInstance); |
69 | 0 | return NS_OK; |
70 | 0 | } |
71 | | |
72 | | protected: |
73 | | RefPtr<nsNPAPIPluginInstance> mPluginInstance; |
74 | | nsCOMPtr<nsIWidget> mWidget; |
75 | | }; |
76 | | |
77 | | nsresult PLUG_NewPluginNativeWindow(nsPluginNativeWindow ** aPluginNativeWindow); |
78 | | nsresult PLUG_DeletePluginNativeWindow(nsPluginNativeWindow * aPluginNativeWindow); |
79 | | |
80 | | #endif //_nsPluginNativeWindow_h_ |