0,0 → 1,145 |
#include "follow-symlink.h" |
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#include <glib/gprintf.h> |
#include <sys/stat.h> |
#include <errno.h> /* errno (3) */ |
#include <stdlib.h> /* realpath() (3) */ |
#include <string.h> /* strlen(), strerror() (3) */ |
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// Offset at char 7 to remove file:// |
static const unsigned short URI_OFFSET = 7 * sizeof(gchar); |
static const size_t PATH_LENGTH_BYTES = sizeof(gchar) * (PATH_MAX + 1); |
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/* Menu initialization */ |
void fsl_extension_menu_provider_iface_init(NautilusMenuProviderIface *iface) |
{ |
TRACE(); |
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//TODO: iface->get_background_items = fsl_get_background_items; |
iface->get_file_items = fsl_get_file_items; |
} |
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/* Bind to menu if needed */ |
GList * |
fsl_get_file_items (NautilusMenuProvider * provider, |
GtkWidget * window, |
GList * files) |
{ |
TRACE(); |
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NautilusMenuItem *item; |
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// Number of files = g_list_length(files) |
// Directory = nautilus_file_info_is_directory(files->data) |
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if (NULL==files || g_list_length(files) != 1) { |
FSL_LOG( (NULL==files) ? "No file" : "More than one file" ); |
return NULL; |
} |
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// Only file uris |
{ |
gchar * uri_scheme = nautilus_file_info_get_uri_scheme(files->data); |
if (strcmp(uri_scheme, "file") != 0) { |
FSL_LOG( "Not file scheme" ); |
return NULL; |
} |
g_free(uri_scheme); |
} |
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// Xref: http://www.koders.com/c/fidA0AA0A78334E1FA3D668FD10B437638F6D031D77.aspx?s=NautilusFile |
GnomeVFSFileInfo * gfi = nautilus_file_info_get_vfs_file_info(files->data); |
/* |
* Xref: /usr/include/gnome-vfs-2.0/libgnomevfs/gnome-vfs-file-info.h |
* |
* Aparently type is never GNOME_VFS_FILE_TYPE_SYMBOLIC_LINK and symlinks |
* are resolved to the target type |
*/ |
/*if (gfi->type != GNOME_VFS_FILE_TYPE_SYMBOLIC_LINK) {*/ |
if (gfi->type != GNOME_VFS_FILE_TYPE_DIRECTORY) { |
FSL_LOG( "Not directory" ); |
return NULL; |
} |
// We know the file is either a directory or a symlink to a directory |
// TODO: Has glib/gnome any better/faster alternatives? |
{ |
struct stat file_info; |
// Note ..._get_name doesn't give the full path |
const gchar * const file_name = nautilus_file_info_get_uri(files->data) + URI_OFFSET; |
lstat(file_name, &file_info); |
if (! S_ISLNK(file_info.st_mode)) { |
FSL_LOG1( "Not S_ISLNK:", file_name ); |
return NULL; |
} |
} |
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item = fsl_menu_item_new(gtk_widget_get_screen(window), TRUE); |
g_signal_connect(item, "activate", G_CALLBACK(fsl_callback), |
files->data); |
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return g_list_append(NULL, item); |
} |
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void fsl_callback (NautilusMenuItem * item, NautilusFileInfo * file_info) |
{ |
TRACE(); |
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gchar ** argv; |
const gchar * link_name = nautilus_file_info_get_uri(file_info) + URI_OFFSET; |
gchar * target = g_malloc(PATH_LENGTH_BYTES); |
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/* unlike readlink(man 2), realpath(man 3) resolves the symlink, while |
* readlink returns the pointed file, which might be a relative path |
* Xref: <http://www.gnu.org/software/libc/manual/html_node/Symbolic-Links.html> |
*/ |
if (NULL == realpath(link_name, target)) { |
g_printf("ERROR in realpath(): %s\n", strerror(errno)); |
g_assert( FALSE ); |
} |
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const gchar const * BASE_CMD = "nautilus --no-desktop --no-default-window \""; |
gchar * command_line = g_malloc( sizeof(gchar) * ( strlen(BASE_CMD) + strlen(target) + 2 ) ); |
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gchar * offset = g_stpcpy(command_line, BASE_CMD); |
//offset = g_stpcpy(offset, "file://"); // unneeded; also makes nautilus think it may be incorrect |
// if it contains spaces (instead of %20's) |
offset = g_stpcpy(offset, target); |
g_stpcpy(offset, "\""); |
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if (FALSE == g_shell_parse_argv(command_line, NULL, &argv, NULL)) { |
g_assert( FALSE ); |
} |
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g_printf("nautilus-follow-symlink: Spawning nautilus with\n '%s'\n", command_line); |
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g_spawn_async( nautilus_file_info_get_parent_uri(file_info) + URI_OFFSET, |
argv, |
NULL, |
G_SPAWN_SEARCH_PATH, |
NULL, NULL, NULL, NULL); |
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g_free(command_line); |
g_strfreev(argv); |
} |
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/* Create the new menu item */ |
NautilusMenuItem * |
fsl_menu_item_new(GdkScreen *screen, gboolean is_file_item) |
{ |
TRACE(); |
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NautilusMenuItem *ret; |
const char *name; |
const char *tooltip; |
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name = "-> Follow symbolic _link"; |
tooltip = "Open the directory pointed by the currently selected symbolic link"; |
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// (name, label, tip, icon) |
ret = nautilus_menu_item_new("FsymlinkExtension::follow_symlink", |
name, tooltip, NULL); |
//g_object_set_data(G_OBJECT(ret), "FsymlinkExtension::screen", screen); |
return ret; |
} |
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/* vim:set ts=4 et ai: */ |