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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 #include <wtf/text/CString.h>
38 
39 #include <limits.h>
40 
41 namespace WebCore {
42 
IconRecord(const String & url)43 IconRecord::IconRecord(const String& url)
44     : m_iconURL(url)
45     , m_stamp(0)
46     , m_dataSet(false)
47 {
48 
49 }
50 
~IconRecord()51 IconRecord::~IconRecord()
52 {
53     LOG(IconDatabase, "Destroying IconRecord for icon url %s", m_iconURL.ascii().data());
54 }
55 
image(const IntSize &)56 Image* IconRecord::image(const IntSize&)
57 {
58     // FIXME rdar://4680377 - For size right now, we are returning our one and only image and the Bridge
59     // is resizing it in place.  We need to actually store all the original representations here and return a native
60     // one, or resize the best one to the requested size and cache that result.
61 
62     return m_image.get();
63 }
64 
setImageData(PassRefPtr<SharedBuffer> data)65 void IconRecord::setImageData(PassRefPtr<SharedBuffer> data)
66 {
67     // It's okay to delete the raw image here. Any existing clients using this icon will be
68     // managing an image that was created with a copy of this raw image data.
69     m_image = BitmapImage::create();
70 
71     // Copy the provided data into the buffer of the new Image object.
72     if (!m_image->setData(data, true)) {
73         LOG(IconDatabase, "Manual image data for iconURL '%s' FAILED - it was probably invalid image data", m_iconURL.ascii().data());
74         m_image.clear();
75     }
76 
77     m_dataSet = true;
78 }
79 
loadImageFromResource(const char * resource)80 void IconRecord::loadImageFromResource(const char* resource)
81 {
82     if (!resource)
83         return;
84 
85     m_image = Image::loadPlatformResource(resource);
86     m_dataSet = true;
87 }
88 
imageDataStatus()89 ImageDataStatus IconRecord::imageDataStatus()
90 {
91     if (!m_dataSet)
92         return ImageDataStatusUnknown;
93     if (!m_image)
94         return ImageDataStatusMissing;
95     return ImageDataStatusPresent;
96 }
97 
snapshot(bool forDeletion) const98 IconSnapshot IconRecord::snapshot(bool forDeletion) const
99 {
100     if (forDeletion)
101         return IconSnapshot(m_iconURL, 0, 0);
102 
103     return IconSnapshot(m_iconURL, m_stamp, m_image ? m_image->data() : 0);
104 }
105 
106 } // namespace WebCore
107