blob: f039ba663eb2ae51018c35617c1ea654df0e3c8e [file] [log] [blame]
/*
* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
* Copyright (C) 2007 Holger Hans Peter Freyther
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Icon.h"
#include "GraphicsContext.h"
#include "MIMETypeRegistry.h"
#include "PlatformContextCairo.h"
#include <gtk/gtk.h>
#include <wtf/RefPtr.h>
#include <wtf/text/CString.h>
namespace WebCore {
Icon::Icon()
: m_icon(0)
{
}
Icon::~Icon()
{
if (m_icon)
g_object_unref(m_icon);
}
static String lookupIconName(String MIMEType)
{
/*
Lookup an appropriate icon according to either the Icon Naming Spec
or conventional Gnome icon names respectively.
See http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html
The icon theme is probed for the following names:
1. media-subtype
2. gnome-mime-media-subtype
3. media-x-generic
4. gnome-mime-media
In the worst case it falls back to the stock file icon.
*/
int pos = MIMEType.find('/');
if(pos >= 0) {
String media = MIMEType.substring(0, pos);
String subtype = MIMEType.substring(pos + 1);
GtkIconTheme* iconTheme = gtk_icon_theme_get_default();
String iconName = media + "-" + subtype;
if(gtk_icon_theme_has_icon(iconTheme, iconName.utf8().data()))
return iconName;
iconName = "gnome-mime-" + media + "-" + subtype;
if(gtk_icon_theme_has_icon(iconTheme, iconName.utf8().data()))
return iconName;
iconName = media + "-x-generic";
if(gtk_icon_theme_has_icon(iconTheme, iconName.utf8().data()))
return iconName;
iconName = media + "gnome-mime-" + media;
if(gtk_icon_theme_has_icon(iconTheme, iconName.utf8().data()))
return iconName;
}
return "text-x-generic";
}
// FIXME: Move the code to ChromeClient::iconForFiles().
RefPtr<Icon> Icon::createIconForFiles(const Vector<String>& filenames)
{
if (filenames.isEmpty())
return nullptr;
if (filenames.size() == 1) {
if (!g_path_skip_root(filenames[0].utf8().data()))
return nullptr;
String MIMEType = MIMETypeRegistry::getMIMETypeForPath(filenames[0]);
String iconName = lookupIconName(MIMEType);
RefPtr<Icon> icon = adoptRef(new Icon);
icon->m_icon = gtk_icon_theme_load_icon(gtk_icon_theme_get_default(), iconName.utf8().data(), 16, GTK_ICON_LOOKUP_USE_BUILTIN, 0);
if (!icon->m_icon)
return nullptr;
return icon;
}
//FIXME: Implement this
return 0;
}
void Icon::paint(GraphicsContext& context, const FloatRect& rect)
{
if (context.paintingDisabled())
return;
// TODO: Scale/clip the image if necessary.
cairo_t* cr = context.platformContext()->cr();
cairo_save(cr);
gdk_cairo_set_source_pixbuf(cr, m_icon, rect.x(), rect.y());
cairo_paint(cr);
cairo_restore(cr);
}
}