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/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*
* Authors:
* Jeffrey Stedfast <fejj@novell.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_GNOME_DESKTOP
#define GNOME_DESKTOP_USE_UNSTABLE_API
#include <libgnome-desktop/gnome-desktop-thumbnail.h>
#undef GNOME_DESKTOP_USE_UNSTABLE_API
#endif
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "e-icon-factory.h"
#include "e-util-private.h"
#define d(x)
/**
* e_icon_factory_get_icon_filename:
* @icon_name: name of the icon
* @icon_size: size of the icon
*
* Returns the filename of the requested icon in the default icon theme.
*
* Returns: the filename of the requested icon
**/
gchar *
e_icon_factory_get_icon_filename (const gchar *icon_name,
GtkIconSize icon_size)
{
GtkIconTheme *icon_theme;
GtkIconInfo *icon_info;
gchar *filename = NULL;
gint width, height;
g_return_val_if_fail (icon_name != NULL, NULL);
icon_theme = gtk_icon_theme_get_default ();
if (!gtk_icon_size_lookup (icon_size, &width, &height))
return NULL;
icon_info = gtk_icon_theme_lookup_icon (
icon_theme, icon_name, height, 0);
if (icon_info != NULL) {
filename = g_strdup (
gtk_icon_info_get_filename (icon_info));
gtk_icon_info_free (icon_info);
}
return filename;
}
/**
* e_icon_factory_get_icon:
* @icon_name: name of the icon
* @icon_size: size of the icon
*
* Loads the requested icon from the default icon theme and renders it
* to a pixbuf.
*
* Returns: the rendered icon
**/
GdkPixbuf *
e_icon_factory_get_icon (const gchar *icon_name,
GtkIconSize icon_size)
{
GtkIconTheme *icon_theme;
GdkPixbuf *pixbuf;
gint width, height;
GError *error = NULL;
g_return_val_if_fail (icon_name != NULL, NULL);
icon_theme = gtk_icon_theme_get_default ();
if (!gtk_icon_size_lookup (icon_size, &width, &height))
width = height = 16;
pixbuf = gtk_icon_theme_load_icon (
icon_theme, icon_name, height, 0, &error);
if (error != NULL) {
g_warning ("%s", error->message);
g_clear_error (&error);
/* Fallback to missing image */
pixbuf = gtk_icon_theme_load_icon (
icon_theme, "image-missing",
height, 0, &error);
if (error != NULL) {
g_error ("%s", error->message);
g_clear_error (&error);
}
}
return pixbuf;
}
/**
* e_icon_factory_pixbuf_scale
* @pixbuf: a #GdkPixbuf
* @width: desired width, if less or equal to 0, then changed to 1
* @height: desired height, if less or equal to 0, then changed to 1
*
* Scales @pixbuf to desired size.
*
* Returns: a scaled #GdkPixbuf
**/
GdkPixbuf *
e_icon_factory_pixbuf_scale (GdkPixbuf *pixbuf,
gint width,
gint height)
{
g_return_val_if_fail (pixbuf != NULL, NULL);
if (width <= 0)
width = 1;
if (height <= 0)
height = 1;
#ifdef HAVE_GNOME_DESKTOP
/* because this can only scale down, not up */
if (gdk_pixbuf_get_width (pixbuf) > width && gdk_pixbuf_get_height (pixbuf) > height)
return gnome_desktop_thumbnail_scale_down_pixbuf (pixbuf, width, height);
#endif
return gdk_pixbuf_scale_simple (pixbuf, width, height, GDK_INTERP_BILINEAR);
}
/**
* e_icon_factory_create_thumbnail
* @filename: the file name to create the thumbnail for
*
* Creates system thumbnail for @filename.
*
* Returns: Path to system thumbnail of the file; %NULL if couldn't
* create it. Free it with g_free().
**/
gchar *
e_icon_factory_create_thumbnail (const gchar *filename)
{
#ifdef HAVE_GNOME_DESKTOP
static GnomeDesktopThumbnailFactory *thumbnail_factory = NULL;
struct stat file_stat;
gchar *thumbnail = NULL;
g_return_val_if_fail (filename != NULL, NULL);
if (thumbnail_factory == NULL) {
thumbnail_factory = gnome_desktop_thumbnail_factory_new (GNOME_DESKTOP_THUMBNAIL_SIZE_NORMAL);
}
if (g_stat (filename, &file_stat) != -1 && S_ISREG (file_stat.st_mode)) {
gchar *content_type, *mime = NULL;
gboolean uncertain = FALSE;
content_type = g_content_type_guess (filename, NULL, 0, &uncertain);
if (content_type)
mime = g_content_type_get_mime_type (content_type);
if (mime) {
gchar *uri = g_filename_to_uri (filename, NULL, NULL);
g_return_val_if_fail (uri != NULL, NULL);
thumbnail = gnome_desktop_thumbnail_factory_lookup (thumbnail_factory, uri, file_stat.st_mtime);
if (!thumbnail && gnome_desktop_thumbnail_factory_can_thumbnail (thumbnail_factory, uri, mime, file_stat.st_mtime)) {
GdkPixbuf *pixbuf;
pixbuf = gnome_desktop_thumbnail_factory_generate_thumbnail (thumbnail_factory, uri, mime);
if (pixbuf) {
gnome_desktop_thumbnail_factory_save_thumbnail (thumbnail_factory, pixbuf, uri, file_stat.st_mtime);
g_object_unref (pixbuf);
thumbnail = gnome_desktop_thumbnail_factory_lookup (thumbnail_factory, uri, file_stat.st_mtime);
}
}
g_free (uri);
}
g_free (content_type);
g_free (mime);
}
return thumbnail;
#else
return NULL;
#endif /* HAVE_GNOME_DESKTOP */
}
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