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1 /*
2  * Copyright (C) 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  *
8  * 1.  Redistributions of source code must retain the above copyright
9  *     notice, this list of conditions and the following disclaimer.
10  * 2.  Redistributions in binary form must reproduce the above copyright
11  *     notice, this list of conditions and the following disclaimer in the
12  *     documentation and/or other materials provided with the distribution.
13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14  *     its contributors may be used to endorse or promote products derived
15  *     from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "config.h"
30 #include "IconRecord.h"
31 
32 #include "BitmapImage.h"
33 #include "IconDatabase.h"
34 #include "Logging.h"
35 #include "SQLiteStatement.h"
36 #include "SQLiteTransaction.h"
37 
38 #include <limits.h>
39 
40 namespace WebCore {
41 
IconRecord(const String & url)42 IconRecord::IconRecord(const String& url)
43     : m_iconURL(url)
44     , m_stamp(0)
45     , m_dataSet(false)
46 {
47 
48 }
49 
~IconRecord()50 IconRecord::~IconRecord()
51 {
52     LOG(IconDatabase, "Destroying IconRecord for icon url %s", m_iconURL.ascii().data());
53 }
54 
image(const IntSize &)55 Image* IconRecord::image(const IntSize&)
56 {
57     // FIXME rdar://4680377 - For size right now, we are returning our one and only image and the Bridge
58     // is resizing it in place.  We need to actually store all the original representations here and return a native
59     // one, or resize the best one to the requested size and cache that result.
60 
61     return m_image.get();
62 }
63 
setImageData(PassRefPtr<SharedBuffer> data)64 void IconRecord::setImageData(PassRefPtr<SharedBuffer> data)
65 {
66     // It's okay to delete the raw image here. Any existing clients using this icon will be
67     // managing an image that was created with a copy of this raw image data.
68     m_image = BitmapImage::create();
69 
70     // Copy the provided data into the buffer of the new Image object.
71     if (!m_image->setData(data, true)) {
72         LOG(IconDatabase, "Manual image data for iconURL '%s' FAILED - it was probably invalid image data", m_iconURL.ascii().data());
73         m_image.clear();
74     }
75 
76     m_dataSet = true;
77 }
78 
loadImageFromResource(const char * resource)79 void IconRecord::loadImageFromResource(const char* resource)
80 {
81     if (!resource)
82         return;
83 
84     m_image = Image::loadPlatformResource(resource);
85     m_dataSet = true;
86 }
87 
imageDataStatus()88 ImageDataStatus IconRecord::imageDataStatus()
89 {
90     if (!m_dataSet)
91         return ImageDataStatusUnknown;
92     if (!m_image)
93         return ImageDataStatusMissing;
94     return ImageDataStatusPresent;
95 }
96 
snapshot(bool forDeletion) const97 IconSnapshot IconRecord::snapshot(bool forDeletion) const
98 {
99     if (forDeletion)
100         return IconSnapshot(m_iconURL, 0, 0);
101 
102     return IconSnapshot(m_iconURL, m_stamp, m_image ? m_image->data() : 0);
103 }
104 
105 } // namespace WebCore
106