1/*
2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2007 Holger Hans Peter Freyther
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of Apple Inc. ("Apple") nor the names of
15 * its contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include "config.h"
31#include "Icon.h"
32
33#include "GraphicsContext.h"
34#include "MIMETypeRegistry.h"
35#include "PlatformContextCairo.h"
36
37#include <gtk/gtk.h>
38
39#include <wtf/RefPtr.h>
40#include <wtf/text/CString.h>
41
42namespace WebCore {
43
44Icon::Icon()
45 : m_icon(0)
46{
47}
48
49Icon::~Icon()
50{
51 if (m_icon)
52 g_object_unref(m_icon);
53}
54
55static String lookupIconName(String MIMEType)
56{
57 /*
58 Lookup an appropriate icon according to either the Icon Naming Spec
59 or conventional Gnome icon names respectively.
60
61 See http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html
62
63 The icon theme is probed for the following names:
64 1. media-subtype
65 2. gnome-mime-media-subtype
66 3. media-x-generic
67 4. gnome-mime-media
68
69 In the worst case it falls back to the stock file icon.
70 */
71 int pos = MIMEType.find('/');
72 if(pos >= 0) {
73 String media = MIMEType.substring(0, pos);
74 String subtype = MIMEType.substring(pos + 1);
75 GtkIconTheme* iconTheme = gtk_icon_theme_get_default();
76 String iconName = media + "-" + subtype;
77 if(gtk_icon_theme_has_icon(iconTheme, iconName.utf8().data()))
78 return iconName;
79 iconName = "gnome-mime-" + media + "-" + subtype;
80 if(gtk_icon_theme_has_icon(iconTheme, iconName.utf8().data()))
81 return iconName;
82 iconName = media + "-x-generic";
83 if(gtk_icon_theme_has_icon(iconTheme, iconName.utf8().data()))
84 return iconName;
85 iconName = media + "gnome-mime-" + media;
86 if(gtk_icon_theme_has_icon(iconTheme, iconName.utf8().data()))
87 return iconName;
88 }
89 return GTK_STOCK_FILE;
90}
91
92// FIXME: Move the code to ChromeClient::iconForFiles().
93RefPtr<Icon> Icon::createIconForFiles(const Vector<String>& filenames)
94{
95 if (filenames.isEmpty())
96 return nullptr;
97
98 if (filenames.size() == 1) {
99 if (!g_path_skip_root(filenames[0].utf8().data()))
100 return nullptr;
101
102 String MIMEType = MIMETypeRegistry::getMIMETypeForPath(filenames[0]);
103 String iconName = lookupIconName(MIMEType);
104
105 RefPtr<Icon> icon = adoptRef(new Icon);
106 icon->m_icon = gtk_icon_theme_load_icon(gtk_icon_theme_get_default(), iconName.utf8().data(), 16, GTK_ICON_LOOKUP_USE_BUILTIN, 0);
107 if (!icon->m_icon)
108 return nullptr;
109 return icon;
110 }
111
112 //FIXME: Implement this
113 return 0;
114}
115
116void Icon::paint(GraphicsContext& context, const FloatRect& rect)
117{
118 if (context.paintingDisabled())
119 return;
120
121 // TODO: Scale/clip the image if necessary.
122 cairo_t* cr = context.platformContext()->cr();
123 cairo_save(cr);
124 gdk_cairo_set_source_pixbuf(cr, m_icon, rect.x(), rect.y());
125 cairo_paint(cr);
126 cairo_restore(cr);
127}
128
129}
130