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Viewing changes to .pc/0003-Thumbnail-desktop-icon-previews-using-tumblerd.patch/src/xfdesktop-regular-file-icon.c

  • Committer: Package Import Robot
  • Author(s): Lionel Le Folgoc
  • Date: 2012-05-18 22:18:02 UTC
  • mfrom: (3.1.7 experimental)
  • Revision ID: package-import@ubuntu.com-20120518221802-htmj6h4apaij25l2
Tags: 4.10.0-1ubuntu1
* Merge from Debian experimental, remaining Ubuntu change:
  - debian/patches/xubuntu_improve-nautilus-interactions.patch: added,
    should prevent nautilus from taking over the desktop if xfdesktop is
    running (and vice-versa).

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.pc/0003-Thumbnail-desktop-icon-previews-using-tumblerd.patch/src/xfdesktop-regular-file-icon.c
1
 
/*
2
 
 *  xfdesktop - xfce4's desktop manager
3
 
 *
4
 
 *  Copyright(c) 2006 Brian Tarricone, <bjt23@cornell.edu>
5
 
 *  Copyright(c) 2006 Benedikt Meurer, <benny@xfce.org>
6
 
 *  Copyright(c) 2010-2011 Jannis Pohlmann, <jannis@xfce.org>
7
 
 *
8
 
 *  This program is free software; you can redistribute it and/or modify
9
 
 *  it under the terms of the GNU General Public License as published by
10
 
 *  the Free Software Foundation; either version 2 of the License, or
11
 
 *  (at your option) any later version.
12
 
 *
13
 
 *  This program is distributed in the hope that it will be useful,
14
 
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15
 
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
 
 *  GNU Library General Public License for more details.
17
 
 *
18
 
 *  You should have received a copy of the GNU General Public License
19
 
 *  along with this program; if not, write to the Free Software
20
 
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21
 
 */
22
 
 
23
 
#ifdef HAVE_CONFIG_H
24
 
#include <config.h>
25
 
#endif
26
 
 
27
 
#ifdef HAVE_STRING_H
28
 
#include <string.h>
29
 
#endif
30
 
 
31
 
#ifdef HAVE_UNISTD_H
32
 
#include <unistd.h>
33
 
#endif
34
 
 
35
 
#ifdef HAVE_TIME_H
36
 
#include <time.h>
37
 
#endif
38
 
 
39
 
#ifdef HAVE_LIBEXO
40
 
#include <exo/exo.h>
41
 
#endif
42
 
 
43
 
#ifndef PATH_MAX
44
 
#define PATH_MAX 4096
45
 
#endif
46
 
 
47
 
#include <gio/gio.h>
48
 
 
49
 
#include <libxfce4ui/libxfce4ui.h>
50
 
 
51
 
#ifdef HAVE_THUNARX
52
 
#include <thunarx/thunarx.h>
53
 
#endif
54
 
 
55
 
#include "xfdesktop-file-utils.h"
56
 
#include "xfdesktop-common.h"
57
 
#include "xfdesktop-regular-file-icon.h"
58
 
 
59
 
#define EMBLEM_SYMLINK  "emblem-symbolic-link"
60
 
 
61
 
struct _XfdesktopRegularFileIconPrivate
62
 
{
63
 
    GdkPixbuf *pix;
64
 
    gchar *display_name;
65
 
    gchar *tooltip;
66
 
    guint pix_opacity;
67
 
    gint cur_pix_size;
68
 
    GFileInfo *file_info;
69
 
    GFileInfo *filesystem_info;
70
 
    GFile *file;
71
 
    GdkScreen *gscreen;
72
 
};
73
 
 
74
 
static void xfdesktop_regular_file_icon_finalize(GObject *obj);
75
 
 
76
 
static GdkPixbuf *xfdesktop_regular_file_icon_peek_pixbuf(XfdesktopIcon *icon,
77
 
                                                          gint size);
78
 
static G_CONST_RETURN gchar *xfdesktop_regular_file_icon_peek_label(XfdesktopIcon *icon);
79
 
static G_CONST_RETURN gchar *xfdesktop_regular_file_icon_peek_tooltip(XfdesktopIcon *icon);
80
 
static GdkDragAction xfdesktop_regular_file_icon_get_allowed_drag_actions(XfdesktopIcon *icon);
81
 
static GdkDragAction xfdesktop_regular_file_icon_get_allowed_drop_actions(XfdesktopIcon *icon);
82
 
static gboolean xfdesktop_regular_file_icon_do_drop_dest(XfdesktopIcon *icon,
83
 
                                                         XfdesktopIcon *src_icon,
84
 
                                                         GdkDragAction action);
85
 
 
86
 
static GFileInfo *xfdesktop_regular_file_icon_peek_file_info(XfdesktopFileIcon *icon);
87
 
static GFileInfo *xfdesktop_regular_file_icon_peek_filesystem_info(XfdesktopFileIcon *icon);
88
 
static GFile *xfdesktop_regular_file_icon_peek_file(XfdesktopFileIcon *icon);
89
 
static void xfdesktop_regular_file_icon_update_file_info(XfdesktopFileIcon *icon,
90
 
                                                         GFileInfo *info);
91
 
static gboolean xfdesktop_regular_file_can_write_parent(XfdesktopFileIcon *icon);
92
 
 
93
 
#ifdef HAVE_THUNARX
94
 
static void xfdesktop_regular_file_icon_tfi_init(ThunarxFileInfoIface *iface);
95
 
#endif
96
 
 
97
 
static inline void xfdesktop_regular_file_icon_invalidate_pixbuf(XfdesktopRegularFileIcon *icon);
98
 
 
99
 
 
100
 
#ifdef HAVE_THUNARX
101
 
G_DEFINE_TYPE_EXTENDED(XfdesktopRegularFileIcon, xfdesktop_regular_file_icon,
102
 
                       XFDESKTOP_TYPE_FILE_ICON, 0,
103
 
                       G_IMPLEMENT_INTERFACE(THUNARX_TYPE_FILE_INFO,
104
 
                                             xfdesktop_regular_file_icon_tfi_init)
105
 
                       )
106
 
#else
107
 
G_DEFINE_TYPE(XfdesktopRegularFileIcon, xfdesktop_regular_file_icon,
108
 
              XFDESKTOP_TYPE_FILE_ICON)
109
 
#endif
110
 
 
111
 
 
112
 
 
113
 
static void
114
 
xfdesktop_regular_file_icon_class_init(XfdesktopRegularFileIconClass *klass)
115
 
{
116
 
    GObjectClass *gobject_class = (GObjectClass *)klass;
117
 
    XfdesktopIconClass *icon_class = (XfdesktopIconClass *)klass;
118
 
    XfdesktopFileIconClass *file_icon_class = (XfdesktopFileIconClass *)klass;
119
 
    
120
 
    g_type_class_add_private(klass, sizeof(XfdesktopRegularFileIconPrivate));
121
 
    
122
 
    gobject_class->finalize = xfdesktop_regular_file_icon_finalize;
123
 
    
124
 
    icon_class->peek_pixbuf = xfdesktop_regular_file_icon_peek_pixbuf;
125
 
    icon_class->peek_label = xfdesktop_regular_file_icon_peek_label;
126
 
    icon_class->peek_tooltip = xfdesktop_regular_file_icon_peek_tooltip;
127
 
    icon_class->get_allowed_drag_actions = xfdesktop_regular_file_icon_get_allowed_drag_actions;
128
 
    icon_class->get_allowed_drop_actions = xfdesktop_regular_file_icon_get_allowed_drop_actions;
129
 
    icon_class->do_drop_dest = xfdesktop_regular_file_icon_do_drop_dest;
130
 
    
131
 
    file_icon_class->peek_file_info = xfdesktop_regular_file_icon_peek_file_info;
132
 
    file_icon_class->peek_filesystem_info = xfdesktop_regular_file_icon_peek_filesystem_info;
133
 
    file_icon_class->peek_file = xfdesktop_regular_file_icon_peek_file;
134
 
    file_icon_class->update_file_info = xfdesktop_regular_file_icon_update_file_info;
135
 
    file_icon_class->can_rename_file = xfdesktop_regular_file_can_write_parent;
136
 
    file_icon_class->can_delete_file = xfdesktop_regular_file_can_write_parent;
137
 
}
138
 
 
139
 
static void
140
 
xfdesktop_regular_file_icon_init(XfdesktopRegularFileIcon *icon)
141
 
{
142
 
    icon->priv = G_TYPE_INSTANCE_GET_PRIVATE(icon,
143
 
                                             XFDESKTOP_TYPE_REGULAR_FILE_ICON,
144
 
                                             XfdesktopRegularFileIconPrivate);
145
 
    icon->priv->pix_opacity = 100;
146
 
    icon->priv->display_name = NULL;
147
 
}
148
 
 
149
 
static void
150
 
xfdesktop_regular_file_icon_finalize(GObject *obj)
151
 
{
152
 
    XfdesktopRegularFileIcon *icon = XFDESKTOP_REGULAR_FILE_ICON(obj);
153
 
    GtkIconTheme *itheme = gtk_icon_theme_get_for_screen(icon->priv->gscreen);
154
 
    
155
 
    g_signal_handlers_disconnect_by_func(G_OBJECT(itheme),
156
 
                                         G_CALLBACK(xfdesktop_regular_file_icon_invalidate_pixbuf),
157
 
                                         icon);
158
 
 
159
 
    if(icon->priv->pix)
160
 
        g_object_unref(G_OBJECT(icon->priv->pix));
161
 
    
162
 
    if(icon->priv->file_info)
163
 
        g_object_unref(icon->priv->file_info);
164
 
 
165
 
    if(icon->priv->filesystem_info)
166
 
        g_object_unref(icon->priv->filesystem_info);
167
 
 
168
 
    g_object_unref(icon->priv->file);
169
 
    
170
 
    g_free(icon->priv->display_name);
171
 
    
172
 
    if(icon->priv->tooltip)
173
 
        g_free(icon->priv->tooltip);
174
 
    
175
 
    G_OBJECT_CLASS(xfdesktop_regular_file_icon_parent_class)->finalize(obj);
176
 
}
177
 
 
178
 
#ifdef HAVE_THUNARX
179
 
static void
180
 
xfdesktop_regular_file_icon_tfi_init(ThunarxFileInfoIface *iface)
181
 
{
182
 
    iface->get_name = xfdesktop_thunarx_file_info_get_name;
183
 
    iface->get_uri = xfdesktop_thunarx_file_info_get_uri;
184
 
    iface->get_parent_uri = xfdesktop_thunarx_file_info_get_parent_uri;
185
 
    iface->get_uri_scheme = xfdesktop_thunarx_file_info_get_uri_scheme_file;
186
 
    iface->get_mime_type = xfdesktop_thunarx_file_info_get_mime_type;
187
 
    iface->has_mime_type = xfdesktop_thunarx_file_info_has_mime_type;
188
 
    iface->is_directory = xfdesktop_thunarx_file_info_is_directory;
189
 
    iface->get_file_info = xfdesktop_thunarx_file_info_get_file_info;
190
 
    iface->get_filesystem_info = xfdesktop_thunarx_file_info_get_filesystem_info;
191
 
    iface->get_location = xfdesktop_thunarx_file_info_get_location;
192
 
}
193
 
#endif
194
 
 
195
 
static inline void
196
 
xfdesktop_regular_file_icon_invalidate_pixbuf(XfdesktopRegularFileIcon *icon)
197
 
{
198
 
    if(icon->priv->pix) {
199
 
        g_object_unref(G_OBJECT(icon->priv->pix));
200
 
        icon->priv->pix = NULL;
201
 
    }
202
 
}
203
 
 
204
 
 
205
 
static GdkPixbuf *
206
 
xfdesktop_regular_file_icon_peek_pixbuf(XfdesktopIcon *icon,
207
 
                                        gint size)
208
 
{
209
 
    XfdesktopRegularFileIcon *file_icon = XFDESKTOP_REGULAR_FILE_ICON(icon);
210
 
    gchar *icon_name = NULL;
211
 
    GdkPixbuf *emblem_pix = NULL;
212
 
 
213
 
    if(size != file_icon->priv->cur_pix_size)
214
 
        xfdesktop_regular_file_icon_invalidate_pixbuf(file_icon);
215
 
 
216
 
    if(!file_icon->priv->pix) {
217
 
        GIcon *gicon = NULL;
218
 
 
219
 
        /* create a GFile for the $HOME/.thumbnails/ directory */
220
 
        gchar *thumbnail_dir_path = g_build_filename(xfce_get_homedir(), 
221
 
                                                     ".thumbnails", NULL);
222
 
        GFile *thumbnail_dir = g_file_new_for_path(thumbnail_dir_path);
223
 
 
224
 
        if(g_file_has_prefix(file_icon->priv->file, thumbnail_dir)) {
225
 
            /* use the filename as custom icon name for thumbnails */
226
 
            icon_name = g_file_get_path(file_icon->priv->file);
227
 
        } else if(xfdesktop_file_utils_is_desktop_file(file_icon->priv->file_info)) {
228
 
            gchar *contents;
229
 
            gsize length;
230
 
 
231
 
            /* try to load the file into memory */
232
 
            if(g_file_load_contents(file_icon->priv->file, NULL, &contents, &length, 
233
 
                                    NULL, NULL)) 
234
 
            {
235
 
                /* allocate a new key file */
236
 
                GKeyFile *key_file = g_key_file_new();
237
 
 
238
 
                /* try to parse the key file from the contents of the file */
239
 
                if (g_key_file_load_from_data(key_file, contents, length, 0, NULL)) {
240
 
                    /* try to determine the custom icon name */
241
 
                    icon_name = g_key_file_get_string(key_file,
242
 
                                                      G_KEY_FILE_DESKTOP_GROUP,
243
 
                                                      G_KEY_FILE_DESKTOP_KEY_ICON,
244
 
                                                      NULL);
245
 
                }
246
 
 
247
 
                /* free key file and in-memory data */
248
 
                g_key_file_free(key_file);
249
 
                g_free(contents);
250
 
            }
251
 
        }
252
 
 
253
 
        /* release thumbnail path */
254
 
        g_object_unref(thumbnail_dir);
255
 
        g_free(thumbnail_dir_path);
256
 
 
257
 
        /* load the symlink emblem if necessary */
258
 
        if(g_file_info_get_attribute_boolean(file_icon->priv->file_info, 
259
 
                                             G_FILE_ATTRIBUTE_STANDARD_IS_SYMLINK)) 
260
 
        {
261
 
            GtkIconTheme *itheme = gtk_icon_theme_get_default();
262
 
            gint sym_pix_size = size * 2 / 3;
263
 
            
264
 
            emblem_pix = gtk_icon_theme_load_icon(itheme, EMBLEM_SYMLINK,
265
 
                                                  sym_pix_size, ITHEME_FLAGS,
266
 
                                                  NULL);
267
 
            if(emblem_pix) {
268
 
                if(gdk_pixbuf_get_width(emblem_pix) != sym_pix_size
269
 
                   || gdk_pixbuf_get_height(emblem_pix) != sym_pix_size)
270
 
                {
271
 
                    GdkPixbuf *tmp = gdk_pixbuf_scale_simple(emblem_pix,
272
 
                                                             sym_pix_size,
273
 
                                                             sym_pix_size,
274
 
                                                             GDK_INTERP_BILINEAR);
275
 
                    g_object_unref(emblem_pix);
276
 
                    emblem_pix = tmp;
277
 
                }
278
 
            }
279
 
        }
280
 
 
281
 
        if(file_icon->priv->file_info)
282
 
            gicon = g_file_info_get_icon(file_icon->priv->file_info);
283
 
        
284
 
        file_icon->priv->pix = xfdesktop_file_utils_get_icon(icon_name, gicon, 
285
 
                                                             size, emblem_pix,
286
 
                                                             file_icon->priv->pix_opacity);
287
 
        
288
 
        file_icon->priv->cur_pix_size = size;
289
 
 
290
 
        if(emblem_pix)
291
 
             g_object_unref(emblem_pix);
292
 
        
293
 
        g_free(icon_name);
294
 
    }
295
 
    
296
 
    return file_icon->priv->pix;
297
 
}
298
 
 
299
 
static G_CONST_RETURN gchar *
300
 
xfdesktop_regular_file_icon_peek_label(XfdesktopIcon *icon)
301
 
{
302
 
    XfdesktopRegularFileIcon *regular_file_icon = XFDESKTOP_REGULAR_FILE_ICON(icon);
303
 
 
304
 
    g_return_val_if_fail(XFDESKTOP_IS_REGULAR_FILE_ICON(icon), NULL);
305
 
 
306
 
    return regular_file_icon->priv->display_name;
307
 
}
308
 
 
309
 
static GdkDragAction
310
 
xfdesktop_regular_file_icon_get_allowed_drag_actions(XfdesktopIcon *icon)
311
 
{
312
 
    GFileInfo *info = xfdesktop_file_icon_peek_file_info(XFDESKTOP_FILE_ICON(icon));
313
 
    GFile *file = xfdesktop_file_icon_peek_file(XFDESKTOP_FILE_ICON(icon));
314
 
    GdkDragAction actions = GDK_ACTION_LINK;  /* we can always link */
315
 
 
316
 
    if(!info)
317
 
        return 0;
318
 
 
319
 
    if(g_file_info_get_attribute_boolean(info,
320
 
                                         G_FILE_ATTRIBUTE_ACCESS_CAN_READ))
321
 
    {
322
 
        GFileInfo *parent_info;
323
 
        GFile *parent_file;
324
 
        
325
 
        actions |= GDK_ACTION_COPY;
326
 
        
327
 
        /* we can only move if the parent is writable */
328
 
        parent_file = g_file_get_parent(file);
329
 
        parent_info = g_file_query_info(parent_file, 
330
 
                                        XFDESKTOP_FILE_INFO_NAMESPACE,
331
 
                                        G_FILE_QUERY_INFO_NONE, 
332
 
                                        NULL, NULL);
333
 
        if(parent_info) {
334
 
            if(g_file_info_get_attribute_boolean(parent_info,
335
 
                                                 G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE))
336
 
            {
337
 
                actions |= GDK_ACTION_MOVE;
338
 
            }
339
 
            g_object_unref(parent_info);
340
 
        }
341
 
        g_object_unref(parent_file);
342
 
    }
343
 
    
344
 
    return actions;
345
 
}
346
 
 
347
 
static GdkDragAction
348
 
xfdesktop_regular_file_icon_get_allowed_drop_actions(XfdesktopIcon *icon)
349
 
{
350
 
    GFileInfo *info = xfdesktop_file_icon_peek_file_info(XFDESKTOP_FILE_ICON(icon));
351
 
    
352
 
    if(!info)
353
 
        return 0;
354
 
    
355
 
    /* if it's executable we can 'copy'.  if it's a folder we can do anything
356
 
     * if it's writable. */
357
 
    if(g_file_info_get_file_type(info) == G_FILE_TYPE_DIRECTORY) {
358
 
        if(g_file_info_get_attribute_boolean(info, G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE))
359
 
            return GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_LINK;
360
 
    } else {
361
 
        if(xfdesktop_file_utils_file_is_executable(info)) {
362
 
            return GDK_ACTION_COPY;
363
 
        }
364
 
    }
365
 
 
366
 
    return 0;
367
 
}
368
 
 
369
 
gboolean
370
 
xfdesktop_regular_file_icon_do_drop_dest(XfdesktopIcon *icon,
371
 
                                         XfdesktopIcon *src_icon,
372
 
                                         GdkDragAction action)
373
 
{
374
 
    XfdesktopRegularFileIcon *regular_file_icon = XFDESKTOP_REGULAR_FILE_ICON(icon);
375
 
    XfdesktopFileIcon *src_file_icon = XFDESKTOP_FILE_ICON(src_icon);
376
 
    GFileInfo *src_info;
377
 
    GFile *src_file;
378
 
    gboolean result = FALSE;
379
 
    
380
 
    DBG("entering");
381
 
    
382
 
    g_return_val_if_fail(regular_file_icon && src_file_icon, FALSE);
383
 
    g_return_val_if_fail(xfdesktop_regular_file_icon_get_allowed_drop_actions(icon) != 0,
384
 
                         FALSE);
385
 
    
386
 
    src_file = xfdesktop_file_icon_peek_file(src_file_icon);
387
 
 
388
 
    src_info = xfdesktop_file_icon_peek_file_info(src_file_icon);
389
 
    if(!src_info)
390
 
        return FALSE;
391
 
    
392
 
    if(g_file_info_get_file_type(regular_file_icon->priv->file_info) != G_FILE_TYPE_DIRECTORY
393
 
       && xfdesktop_file_utils_file_is_executable(regular_file_icon->priv->file_info))
394
 
    {
395
 
        GList files;
396
 
 
397
 
        files.data = src_file;
398
 
        files.prev = files.next = NULL;
399
 
 
400
 
        xfdesktop_file_utils_execute(NULL, regular_file_icon->priv->file, &files,
401
 
                                     regular_file_icon->priv->gscreen, NULL);
402
 
 
403
 
        result = TRUE;
404
 
    } else {
405
 
        GFile *parent, *dest_file = NULL;
406
 
        gchar *name;
407
 
        
408
 
        parent = g_file_get_parent(src_file);
409
 
        if(!parent)
410
 
            return FALSE;
411
 
        g_object_unref(parent);
412
 
        
413
 
        name = g_file_get_basename(src_file);
414
 
        if(!name)
415
 
            return FALSE;
416
 
        
417
 
        switch(action) {
418
 
            case GDK_ACTION_MOVE:
419
 
                dest_file = g_object_ref(regular_file_icon->priv->file);
420
 
                break;
421
 
            case GDK_ACTION_COPY:
422
 
                dest_file = g_file_get_child(regular_file_icon->priv->file, name);
423
 
                break;
424
 
            case GDK_ACTION_LINK:
425
 
                dest_file = g_object_ref(regular_file_icon->priv->file);
426
 
                break;
427
 
            default:
428
 
                g_warning("Unsupported drag action: %d", action);
429
 
        }
430
 
 
431
 
        if(dest_file) {
432
 
            xfdesktop_file_utils_transfer_file(action, src_file, dest_file,
433
 
                                               regular_file_icon->priv->gscreen);
434
 
 
435
 
            g_object_unref(dest_file);
436
 
 
437
 
            result = TRUE;
438
 
        }
439
 
 
440
 
        g_free(name);
441
 
    }
442
 
    
443
 
    return result;
444
 
}
445
 
 
446
 
static G_CONST_RETURN gchar *
447
 
xfdesktop_regular_file_icon_peek_tooltip(XfdesktopIcon *icon)
448
 
{
449
 
    XfdesktopRegularFileIcon *regular_file_icon = XFDESKTOP_REGULAR_FILE_ICON(icon);
450
 
    
451
 
    if(!regular_file_icon->priv->tooltip) {
452
 
        GFileInfo *info = xfdesktop_file_icon_peek_file_info(XFDESKTOP_FILE_ICON(icon));
453
 
        const gchar *content_type;
454
 
        gchar *description, *size_string, *time_string;
455
 
        guint64 size, mtime;
456
 
 
457
 
        if(!info)
458
 
            return NULL;
459
 
 
460
 
        content_type = g_file_info_get_content_type(info);
461
 
        description = g_content_type_get_description(content_type);
462
 
 
463
 
        size = g_file_info_get_attribute_uint64(info,
464
 
                                                G_FILE_ATTRIBUTE_STANDARD_SIZE);
465
 
        size_string = g_format_size_for_display(size);
466
 
 
467
 
        mtime = g_file_info_get_attribute_uint64(info,
468
 
                                                 G_FILE_ATTRIBUTE_TIME_MODIFIED);
469
 
        time_string = xfdesktop_file_utils_format_time_for_display(mtime);
470
 
 
471
 
        regular_file_icon->priv->tooltip =
472
 
            g_strdup_printf(_("Type: %s\nSize: %s\nLast modified: %s"),
473
 
                            description, size_string, time_string);
474
 
 
475
 
        g_free(time_string);
476
 
        g_free(size_string);
477
 
        g_free(description);
478
 
    }
479
 
    
480
 
    return regular_file_icon->priv->tooltip;
481
 
}
482
 
 
483
 
static gboolean
484
 
xfdesktop_regular_file_can_write_parent(XfdesktopFileIcon *icon)
485
 
{
486
 
    XfdesktopRegularFileIcon *file_icon = XFDESKTOP_REGULAR_FILE_ICON(icon);
487
 
    GFile *parent_file;
488
 
    GFileInfo *parent_info;
489
 
    gboolean writable;
490
 
 
491
 
    g_return_val_if_fail(file_icon, FALSE);
492
 
 
493
 
    parent_file = g_file_get_parent(file_icon->priv->file);
494
 
    if(!parent_file)
495
 
        return FALSE;
496
 
 
497
 
    parent_info = g_file_query_info(parent_file, 
498
 
                                    XFDESKTOP_FILE_INFO_NAMESPACE,
499
 
                                    G_FILE_QUERY_INFO_NONE,
500
 
                                    NULL, NULL);
501
 
    if(!parent_info) {
502
 
        g_object_unref(parent_file);
503
 
        return FALSE;
504
 
    }
505
 
 
506
 
    writable = g_file_info_get_attribute_boolean(parent_info, 
507
 
                                                 G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE);
508
 
    g_object_unref(parent_info);
509
 
    g_object_unref(parent_file);
510
 
 
511
 
    return writable;
512
 
 
513
 
}
514
 
 
515
 
static GFileInfo *
516
 
xfdesktop_regular_file_icon_peek_file_info(XfdesktopFileIcon *icon)
517
 
{
518
 
    g_return_val_if_fail(XFDESKTOP_IS_REGULAR_FILE_ICON(icon), NULL);
519
 
    return XFDESKTOP_REGULAR_FILE_ICON(icon)->priv->file_info;
520
 
}
521
 
 
522
 
static GFileInfo *
523
 
xfdesktop_regular_file_icon_peek_filesystem_info(XfdesktopFileIcon *icon)
524
 
{
525
 
    g_return_val_if_fail(XFDESKTOP_IS_REGULAR_FILE_ICON(icon), NULL);
526
 
    return XFDESKTOP_REGULAR_FILE_ICON(icon)->priv->filesystem_info;
527
 
}
528
 
 
529
 
static GFile *
530
 
xfdesktop_regular_file_icon_peek_file(XfdesktopFileIcon *icon)
531
 
{
532
 
    g_return_val_if_fail(XFDESKTOP_IS_REGULAR_FILE_ICON(icon), NULL);
533
 
    return XFDESKTOP_REGULAR_FILE_ICON(icon)->priv->file;
534
 
}
535
 
 
536
 
static void
537
 
xfdesktop_regular_file_icon_update_file_info(XfdesktopFileIcon *icon,
538
 
                                             GFileInfo *info)
539
 
{
540
 
    XfdesktopRegularFileIcon *regular_file_icon = XFDESKTOP_REGULAR_FILE_ICON(icon);
541
 
    const gchar *old_display_name;
542
 
    gchar *new_display_name;
543
 
    
544
 
    g_return_if_fail(XFDESKTOP_IS_REGULAR_FILE_ICON(icon));
545
 
    g_return_if_fail(G_IS_FILE_INFO(info));
546
 
 
547
 
    /* release the old file info */
548
 
    if(regular_file_icon->priv->file_info) { 
549
 
        g_object_unref(regular_file_icon->priv->file_info);
550
 
        regular_file_icon->priv->file_info = NULL;
551
 
    }
552
 
 
553
 
    regular_file_icon->priv->file_info = g_object_ref(info);
554
 
 
555
 
    if(regular_file_icon->priv->filesystem_info)
556
 
        g_object_unref(regular_file_icon->priv->filesystem_info);
557
 
 
558
 
    regular_file_icon->priv->filesystem_info = g_file_query_filesystem_info(regular_file_icon->priv->file,
559
 
                                                                            XFDESKTOP_FILESYSTEM_INFO_NAMESPACE,
560
 
                                                                            NULL, NULL);
561
 
 
562
 
    /* get both, old and new display name */
563
 
    old_display_name = regular_file_icon->priv->display_name;
564
 
    new_display_name = xfdesktop_file_utils_get_display_name(regular_file_icon->priv->file,
565
 
                                                             regular_file_icon->priv->file_info);
566
 
 
567
 
    /* check whether the display name has changed with the info update */
568
 
    if(g_strcmp0 (old_display_name, new_display_name) != 0) {
569
 
        /* replace the display name */
570
 
        g_free (regular_file_icon->priv->display_name);
571
 
        regular_file_icon->priv->display_name = new_display_name;
572
 
 
573
 
        /* notify listeners of the label change */
574
 
        xfdesktop_icon_label_changed(XFDESKTOP_ICON(icon));
575
 
    } else {
576
 
        /* no change, release the new display name */
577
 
        g_free (new_display_name);
578
 
    }
579
 
 
580
 
    /* invalidate the tooltip */
581
 
    g_free(regular_file_icon->priv->tooltip);
582
 
    regular_file_icon->priv->tooltip = NULL;
583
 
    
584
 
    /* not really easy to check if this changed or not, so just invalidate it */
585
 
    xfdesktop_regular_file_icon_invalidate_pixbuf(regular_file_icon);
586
 
    xfdesktop_icon_pixbuf_changed(XFDESKTOP_ICON(icon));
587
 
}
588
 
 
589
 
 
590
 
/* public API */
591
 
 
592
 
XfdesktopRegularFileIcon *
593
 
xfdesktop_regular_file_icon_new(GFile *file,
594
 
                                GFileInfo *file_info,
595
 
                                GdkScreen *screen)
596
 
{
597
 
    XfdesktopRegularFileIcon *regular_file_icon;
598
 
 
599
 
    g_return_val_if_fail(G_IS_FILE(file), NULL);
600
 
    g_return_val_if_fail(G_IS_FILE_INFO(file_info), NULL);
601
 
    g_return_val_if_fail(GDK_IS_SCREEN(screen), NULL);
602
 
 
603
 
    regular_file_icon = g_object_new(XFDESKTOP_TYPE_REGULAR_FILE_ICON, NULL);
604
 
 
605
 
    regular_file_icon->priv->file = g_object_ref(file);
606
 
    regular_file_icon->priv->file_info = g_object_ref(file_info);
607
 
 
608
 
    /* set the display name */
609
 
    regular_file_icon->priv->display_name = xfdesktop_file_utils_get_display_name(file, 
610
 
                                                                                  file_info);
611
 
 
612
 
    /* query file system information from GIO */
613
 
    regular_file_icon->priv->filesystem_info = g_file_query_filesystem_info(regular_file_icon->priv->file,
614
 
                                                                            XFDESKTOP_FILESYSTEM_INFO_NAMESPACE,
615
 
                                                                            NULL, NULL);
616
 
 
617
 
    /* query file information from GIO */
618
 
    regular_file_icon->priv->file_info = g_file_query_info(regular_file_icon->priv->file,
619
 
                                                           XFDESKTOP_FILE_INFO_NAMESPACE,
620
 
                                                           G_FILE_QUERY_INFO_NONE,
621
 
                                                           NULL, NULL);
622
 
 
623
 
    regular_file_icon->priv->gscreen = screen;
624
 
 
625
 
    g_signal_connect_swapped(G_OBJECT(gtk_icon_theme_get_for_screen(screen)),
626
 
                             "changed",
627
 
                             G_CALLBACK(xfdesktop_regular_file_icon_invalidate_pixbuf),
628
 
                             regular_file_icon);
629
 
    
630
 
    return regular_file_icon;
631
 
}
632
 
 
633
 
void
634
 
xfdesktop_regular_file_icon_set_pixbuf_opacity(XfdesktopRegularFileIcon *icon,
635
 
                                       guint opacity)
636
 
{
637
 
    g_return_if_fail(XFDESKTOP_IS_REGULAR_FILE_ICON(icon) && opacity <= 100);
638
 
    
639
 
    if(opacity == icon->priv->pix_opacity)
640
 
        return;
641
 
    
642
 
    icon->priv->pix_opacity = opacity;
643
 
    
644
 
    xfdesktop_regular_file_icon_invalidate_pixbuf(icon);
645
 
    xfdesktop_icon_pixbuf_changed(XFDESKTOP_ICON(icon));
646
 
}