2011-05-25 Alexis Menard <alexis.menard@openbossa.org>
[WebKit-https.git] / Source / WebCore / platform / mac / SharedBufferMac.mm
1 /*
2  * Copyright (C) 2006 Apple Computer, 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 #include "config.h"
27 #include "SharedBuffer.h"
28
29 #include "WebCoreObjCExtras.h"
30 #include <runtime/InitializeThreading.h>
31 #include <string.h>
32 #include <wtf/PassRefPtr.h>
33
34
35 using namespace WebCore;
36
37 @interface WebCoreSharedBufferData : NSData
38 {
39     RefPtr<SharedBuffer> sharedBuffer;
40 }
41
42 - (id)initWithSharedBuffer:(SharedBuffer*)buffer;
43 @end
44
45 @implementation WebCoreSharedBufferData
46
47 + (void)initialize
48 {
49     JSC::initializeThreading();
50 #if PLATFORM(QT) && USE(QTKIT)
51     WTF::initializeMainThread();
52 #else
53     WTF::initializeMainThreadToProcessMainThread();
54 #endif
55     WebCoreObjCFinalizeOnMainThread(self);
56 }
57
58 - (void)dealloc
59 {
60     if (WebCoreObjCScheduleDeallocateOnMainThread([WebCoreSharedBufferData class], self))
61         return;
62     
63     [super dealloc];
64 }
65
66 - (void)finalize
67 {
68     [super finalize];
69 }
70
71 - (id)initWithSharedBuffer:(SharedBuffer*)buffer
72 {
73     self = [super init];
74     
75     if (self)
76         sharedBuffer = buffer;
77     
78     return self;
79 }
80
81 - (NSUInteger)length
82 {
83     return sharedBuffer->size();
84 }
85
86 - (const void *)bytes
87 {
88     return reinterpret_cast<const void*>(sharedBuffer->data());
89 }
90
91 @end
92
93 namespace WebCore {
94
95 PassRefPtr<SharedBuffer> SharedBuffer::wrapNSData(NSData *nsData)
96 {
97     return adoptRef(new SharedBuffer((CFDataRef)nsData));
98 }
99
100 NSData *SharedBuffer::createNSData()
101 {    
102     return [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this];
103 }
104
105 CFDataRef SharedBuffer::createCFData()
106 {
107     if (m_cfData) {
108         CFRetain(m_cfData.get());
109         return m_cfData.get();
110     }
111     
112     return (CFDataRef)RetainPtr<WebCoreSharedBufferData>(AdoptNS, [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this]).releaseRef();
113 }
114 #if !(PLATFORM(QT) && USE(QTKIT))
115 PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath)
116 {
117     NSData *resourceData = [NSData dataWithContentsOfFile:filePath];
118     if (resourceData) 
119         return SharedBuffer::wrapNSData(resourceData);
120     return 0;
121 }
122 #endif
123 }
124