1/*
2 * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WebNotificationCenter_H
27#define WebNotificationCenter_H
28
29#include "WebKit.h"
30#include <wtf/OwnPtr.h>
31
32struct WebNotificationCenterPrivate;
33
34class WebNotificationCenter : public IWebNotificationCenter {
35public:
36    static WebNotificationCenter* createInstance();
37
38protected:
39    WebNotificationCenter();
40    ~WebNotificationCenter();
41
42public:
43    // IUnknown
44    virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);
45    virtual ULONG STDMETHODCALLTYPE AddRef(void);
46    virtual ULONG STDMETHODCALLTYPE Release(void);
47
48    // IWebNotificationCenter
49    virtual HRESULT STDMETHODCALLTYPE defaultCenter(
50        /* [retval][out] */ IWebNotificationCenter **center);
51
52    virtual HRESULT STDMETHODCALLTYPE addObserver(
53        /* [in] */ IWebNotificationObserver *observer,
54        /* [in] */ BSTR notificationName,
55        /* [in] */ IUnknown *anObject);
56
57    virtual HRESULT STDMETHODCALLTYPE postNotification(
58        /* [in] */ IWebNotification *notification);
59
60    virtual HRESULT STDMETHODCALLTYPE postNotificationName(
61        /* [in] */ BSTR notificationName,
62        /* [in] */ IUnknown *anObject,
63        /* [optional][in] */ IPropertyBag *userInfo);
64
65    virtual HRESULT STDMETHODCALLTYPE removeObserver(
66        /* [in] */ IWebNotificationObserver *anObserver,
67        /* [in] */ BSTR notificationName,
68        /* [optional][in] */ IUnknown *anObject);
69
70    // WebNotificationCenter
71    static IWebNotificationCenter* defaultCenterInternal();
72    void postNotificationInternal(IWebNotification* notification, BSTR notificationName, IUnknown* anObject);
73
74protected:
75    ULONG m_refCount;
76    OwnPtr<WebNotificationCenterPrivate> d;
77    static IWebNotificationCenter* m_defaultCenter;
78};
79
80#endif // WebNotificationCenter_H
81