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/PassRefPtr.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(). 93PassRefPtr<Icon> Icon::createIconForFiles(const Vector<String>& filenames) 94{ 95 if (filenames.isEmpty()) 96 return 0; 97 98 if (filenames.size() == 1) { 99 if (!g_path_skip_root(filenames[0].utf8().data())) 100 return 0; 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 0; 109 return icon.release(); 110 } 111 112 //FIXME: Implement this 113 return 0; 114} 115 116void Icon::paint(GraphicsContext* context, const IntRect& 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