1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/*
* Copyright (C) 2008 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebKitDLL.h"
#include "WebIconFetcher.h"
#include "MemoryStream.h"
#include <WebCore/COMPtr.h>
#include <WebCore/SharedBuffer.h>
#include <wtf/PassRefPtr.h>
using namespace WebCore;
class WebIconFetcherClient : public IconFetcherClient {
public:
WebIconFetcherClient(IWebIconFetcherDelegate* delegate)
: m_fetcher(0)
, m_delegate(delegate)
{
}
virtual void finishedFetchingIcon(PassRefPtr<SharedBuffer> iconData)
{
COMPtr<MemoryStream> memoryStream;
if (iconData)
memoryStream = MemoryStream::createInstance(iconData);
m_delegate->finishedLoadingIcon(m_fetcher, memoryStream.get());
delete this;
}
void setFetcher(WebIconFetcher *fetcher) { m_fetcher = fetcher; }
private:
WebIconFetcher* m_fetcher;
COMPtr<IWebIconFetcherDelegate> m_delegate;
};
// WebIconFetcher -------------------------------------------------------------------
WebIconFetcher* WebIconFetcher::fetchApplicationIcon(Frame* frame, IWebIconFetcherDelegate* delegate)
{
WebIconFetcherClient* client = new WebIconFetcherClient(delegate);
RefPtr<IconFetcher> fetcher = IconFetcher::create(frame, client);
if (!fetcher)
return 0;
COMPtr<WebIconFetcher> iconFetcher = new WebIconFetcher(fetcher.release());
client->setFetcher(iconFetcher.get());
return iconFetcher.releaseRef();
}
WebIconFetcher::WebIconFetcher(PassRefPtr<IconFetcher> iconFetcher)
: m_refCount(0)
, m_iconFetcher(iconFetcher)
{
gClassCount++;
}
WebIconFetcher::~WebIconFetcher()
{
gClassCount--;
}
// IUnknown -------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE WebIconFetcher::QueryInterface(REFIID riid, void** ppvObject)
{
*ppvObject = 0;
if (IsEqualGUID(riid, IID_IUnknown))
*ppvObject = static_cast<IUnknown*>(this);
else if (IsEqualGUID(riid, IID_IWebIconFetcher))
*ppvObject = static_cast<IWebIconFetcher*>(this);
else
return E_NOINTERFACE;
AddRef();
return S_OK;
}
ULONG STDMETHODCALLTYPE WebIconFetcher::AddRef()
{
return ++m_refCount;
}
ULONG STDMETHODCALLTYPE WebIconFetcher::Release()
{
ULONG newRef = --m_refCount;
if (!newRef)
delete this;
return newRef;
}
// IUnknown -------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE WebIconFetcher::cancel()
{
m_iconFetcher->cancel();
return S_OK;
}
|
