2 * Copyright (C) 2006 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "thumb_standard.h"
25 #include "image-load.h"
27 #include "pixbuf_util.h"
28 #include "ui_fileops.h"
35 * This thumbnail caching implementation attempts to conform
36 * to the Thumbnail Managing Standard proposed on freedesktop.org
37 * The standard is documented here:
38 * http://triq.net/~jens/thumbnail-spec/index.html
39 * (why isn't it actually hosted on freedesktop.org?)
41 * This code attempts to conform to version 0.7.0 of the standard.
44 * > Validation of the thumb's embedded uri is a simple strcmp between our
45 * version of the escaped uri and the thumb's escaped uri. But not all uri
46 * escape functions escape the same set of chars, comparing the unescaped
47 * versions may be more accurate.
48 * > Only Thumb::URI and Thumb::MTime are stored in a thumb at this time.
49 * Storing the Size, Width, Height should probably be implemented.
53 #define THUMB_SIZE_NORMAL 128
54 #define THUMB_SIZE_LARGE 256
56 #define THUMB_MARKER_URI "tEXt::Thumb::URI"
57 #define THUMB_MARKER_MTIME "tEXt::Thumb::MTime"
58 #define THUMB_MARKER_SIZE "tEXt::Thumb::Size"
59 #define THUMB_MARKER_WIDTH "tEXt::Thumb::Image::Width"
60 #define THUMB_MARKER_HEIGHT "tEXt::Thumb::Image::Height"
61 #define THUMB_MARKER_APP "tEXt::Software"
63 #define THUMB_PERMS_FOLDER 0700
64 #define THUMB_PERMS_THUMB 0600
69 *-----------------------------------------------------------------------------
71 *-----------------------------------------------------------------------------
75 static void thumb_loader_std_error_cb(ImageLoader *il, gpointer data);
76 static gint thumb_loader_std_setup(ThumbLoaderStd *tl, FileData *fd);
79 ThumbLoaderStd *thumb_loader_std_new(gint width, gint height)
83 tl = g_new0(ThumbLoaderStd, 1);
85 tl->standard_loader = TRUE;
86 tl->requested_width = width;
87 tl->requested_height = height;
88 tl->cache_enable = options->thumbnails.enable_caching;
93 void thumb_loader_std_set_callbacks(ThumbLoaderStd *tl,
94 ThumbLoaderStdFunc func_done,
95 ThumbLoaderStdFunc func_error,
96 ThumbLoaderStdFunc func_progress,
101 tl->func_done = func_done;
102 tl->func_error = func_error;
103 tl->func_progress = func_progress;
107 static void thumb_loader_std_reset(ThumbLoaderStd *tl)
109 image_loader_free(tl->il);
112 file_data_unref(tl->fd);
115 g_free(tl->thumb_path);
116 tl->thumb_path = NULL;
118 g_free(tl->thumb_uri);
119 tl->thumb_uri = NULL;
120 tl->local_uri = NULL;
122 tl->thumb_path_local = FALSE;
124 tl->cache_hit = FALSE;
126 tl->source_mtime = 0;
133 static gchar *thumb_std_cache_path(const gchar *path, const gchar *uri, gboolean local,
134 const gchar *cache_subfolder)
136 gchar *result = NULL;
141 if (!path || !uri || !cache_subfolder) return NULL;
143 md5_get_digest((guchar *)uri, strlen(uri), digest);
144 md5_text = md5_digest_to_text(digest);
146 if (!md5_text) return NULL;
148 name = g_strconcat(md5_text, THUMB_NAME_EXTENSION, NULL);
152 gchar *base = remove_level_from_path(path);
154 result = g_build_filename(base, THUMB_FOLDER_LOCAL, cache_subfolder, name, NULL);
159 result = g_build_filename(homedir(), THUMB_FOLDER_GLOBAL, cache_subfolder, name, NULL);
168 static gchar *thumb_loader_std_cache_path(ThumbLoaderStd *tl, gboolean local, GdkPixbuf *pixbuf, gboolean fail)
173 if (!tl->fd || !tl->thumb_uri) return NULL;
177 w = gdk_pixbuf_get_width(pixbuf);
178 h = gdk_pixbuf_get_height(pixbuf);
182 w = tl->requested_width;
183 h = tl->requested_height;
188 folder = THUMB_FOLDER_FAIL;
190 else if (w > THUMB_SIZE_NORMAL || h > THUMB_SIZE_NORMAL)
192 folder = THUMB_FOLDER_LARGE;
196 folder = THUMB_FOLDER_NORMAL;
199 return thumb_std_cache_path(tl->fd->path,
200 (local) ? tl->local_uri : tl->thumb_uri,
204 static gboolean thumb_loader_std_fail_check(ThumbLoaderStd *tl)
207 gboolean result = FALSE;
209 fail_path = thumb_loader_std_cache_path(tl, FALSE, NULL, TRUE);
210 if (isfile(fail_path))
222 pathl = path_from_utf8(fail_path);
223 pixbuf = gdk_pixbuf_new_from_file(pathl, NULL);
229 const gchar *mtime_str;
231 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
232 if (mtime_str && strtol(mtime_str, NULL, 10) == tl->source_mtime)
235 DEBUG_1("thumb fail valid: %s", tl->fd->path);
236 DEBUG_1(" thumb: %s", fail_path);
239 g_object_unref(G_OBJECT(pixbuf));
242 if (!result) unlink_file(fail_path);
249 static gboolean thumb_loader_std_validate(ThumbLoaderStd *tl, GdkPixbuf *pixbuf)
251 const gchar *valid_uri;
253 const gchar *mtime_str;
257 if (!pixbuf) return FALSE;
259 w = gdk_pixbuf_get_width(pixbuf);
260 h = gdk_pixbuf_get_height(pixbuf);
262 if (w != THUMB_SIZE_NORMAL && w != THUMB_SIZE_LARGE &&
263 h != THUMB_SIZE_NORMAL && h != THUMB_SIZE_LARGE) return FALSE;
265 valid_uri = (tl->thumb_path_local) ? tl->local_uri : tl->thumb_uri;
267 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
268 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
270 if (!mtime_str || !uri || !valid_uri) return FALSE;
271 if (strcmp(uri, valid_uri) != 0) return FALSE;
273 mtime = strtol(mtime_str, NULL, 10);
274 if (tl->source_mtime != mtime) return FALSE;
279 static void thumb_loader_std_save(ThumbLoaderStd *tl, GdkPixbuf *pixbuf)
285 if (!tl->cache_enable || tl->cache_hit) return;
286 if (tl->thumb_path) return;
290 /* local failures are not stored */
291 if (tl->cache_local) return;
293 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 1, 1);
298 g_object_ref(G_OBJECT(pixbuf));
302 tl->thumb_path = thumb_loader_std_cache_path(tl, tl->cache_local, pixbuf, fail);
305 g_object_unref(G_OBJECT(pixbuf));
308 tl->thumb_path_local = tl->cache_local;
310 /* create thumbnail dir if needed */
311 base_path = remove_level_from_path(tl->thumb_path);
314 if (!isdir(base_path))
319 source_base = remove_level_from_path(tl->fd->path);
320 if (stat_utf8(source_base, &st))
322 recursive_mkdir_if_not_exists(base_path, st.st_mode);
329 recursive_mkdir_if_not_exists(base_path, THUMB_PERMS_FOLDER);
333 DEBUG_1("thumb saving: %s", tl->fd->path);
334 DEBUG_1(" saved: %s", tl->thumb_path);
336 /* save thumb, using a temp file then renaming into place */
337 tmp_path = unique_filename(tl->thumb_path, ".tmp", "_", 2);
340 const gchar *mark_uri;
346 mark_uri = (tl->cache_local) ? tl->local_uri :tl->thumb_uri;
348 mark_app = g_strdup_printf("%s %s", GQ_APPNAME, VERSION);
349 mark_mtime = g_strdup_printf("%lu", tl->source_mtime);
351 pathl = path_from_utf8(tmp_path);
352 success = gdk_pixbuf_save(pixbuf, pathl, "png", NULL,
353 THUMB_MARKER_URI, mark_uri,
354 THUMB_MARKER_MTIME, mark_mtime,
355 THUMB_MARKER_APP, mark_app,
359 chmod(pathl, (tl->cache_local) ? tl->source_mode : THUMB_PERMS_THUMB);
360 success = rename_file(tmp_path, tl->thumb_path);
371 DEBUG_1("thumb save failed: %s", tl->fd->path);
372 DEBUG_1(" thumb: %s", tl->thumb_path);
377 g_object_unref(G_OBJECT(pixbuf));
380 static void thumb_loader_std_set_fallback(ThumbLoaderStd *tl)
382 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
383 tl->fd->thumb_pixbuf = pixbuf_fallback(tl->fd, tl->requested_width, tl->requested_height);
386 static GdkPixbuf *thumb_loader_std_finish(ThumbLoaderStd *tl, GdkPixbuf *pixbuf, gboolean shrunk)
388 GdkPixbuf *pixbuf_thumb = NULL;
390 GdkPixbuf *rotated = NULL;
394 if (!tl->cache_hit && options->image.exif_rotate_enable)
396 if (!tl->fd->exif_orientation)
398 tl->fd->exif_orientation = metadata_read_int(tl->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
401 if (tl->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
403 rotated = pixbuf_apply_orientation(pixbuf, tl->fd->exif_orientation);
408 sw = gdk_pixbuf_get_width(pixbuf);
409 sh = gdk_pixbuf_get_height(pixbuf);
411 if (tl->cache_enable)
415 gint cache_w, cache_h;
417 if (tl->requested_width > THUMB_SIZE_NORMAL || tl->requested_height > THUMB_SIZE_NORMAL)
419 cache_w = cache_h = THUMB_SIZE_LARGE;
423 cache_w = cache_h = THUMB_SIZE_NORMAL;
426 if (sw > cache_w || sh > cache_h || shrunk)
428 gint thumb_w, thumb_h;
431 if (pixbuf_scale_aspect(cache_w, cache_h, sw, sh,
434 pixbuf_thumb = gdk_pixbuf_scale_simple(pixbuf, thumb_w, thumb_h,
435 (GdkInterpType)options->thumbnails.quality);
439 pixbuf_thumb = pixbuf;
440 g_object_ref(G_OBJECT(pixbuf_thumb));
443 /* do not save the thumbnail if the source file has changed meanwhile -
444 the thumbnail is most probably broken */
445 if (stat_utf8(tl->fd->path, &st) &&
446 tl->source_mtime == st.st_mtime &&
447 tl->source_size == st.st_size)
449 thumb_loader_std_save(tl, pixbuf_thumb);
453 else if (tl->cache_hit &&
454 tl->cache_local && !tl->thumb_path_local)
456 /* A local cache save was requested, but a valid thumb is in $HOME,
457 * so specifically save as a local thumbnail.
459 g_free(tl->thumb_path);
460 tl->thumb_path = NULL;
462 tl->cache_hit = FALSE;
464 DEBUG_1("thumb copied: %s", tl->fd->path);
466 thumb_loader_std_save(tl, pixbuf);
470 if (sw <= tl->requested_width && sh <= tl->requested_height)
473 g_object_ref(result);
477 gint thumb_w, thumb_h;
481 pixbuf = pixbuf_thumb;
482 sw = gdk_pixbuf_get_width(pixbuf);
483 sh = gdk_pixbuf_get_height(pixbuf);
486 if (pixbuf_scale_aspect(tl->requested_width, tl->requested_height, sw, sh,
489 result = gdk_pixbuf_scale_simple(pixbuf, thumb_w, thumb_h,
490 (GdkInterpType)options->thumbnails.quality);
495 g_object_ref(result);
499 if (pixbuf_thumb) g_object_unref(pixbuf_thumb);
500 if (rotated) g_object_unref(rotated);
505 static gboolean thumb_loader_std_next_source(ThumbLoaderStd *tl, gboolean remove_broken)
507 image_loader_free(tl->il);
512 if (!tl->thumb_path_local && remove_broken)
514 DEBUG_1("thumb broken, unlinking: %s", tl->thumb_path);
515 unlink_file(tl->thumb_path);
518 g_free(tl->thumb_path);
519 tl->thumb_path = NULL;
521 if (!tl->thumb_path_local)
523 tl->thumb_path = thumb_loader_std_cache_path(tl, TRUE, NULL, FALSE);
524 if (isfile(tl->thumb_path))
526 FileData *fd = file_data_new_no_grouping(tl->thumb_path);
527 if (thumb_loader_std_setup(tl, fd))
530 tl->thumb_path_local = TRUE;
536 g_free(tl->thumb_path);
537 tl->thumb_path = NULL;
540 if (thumb_loader_std_setup(tl, tl->fd)) return TRUE;
543 thumb_loader_std_save(tl, NULL);
547 static void thumb_loader_std_done_cb(ImageLoader *il, gpointer data)
549 ThumbLoaderStd *tl = data;
552 DEBUG_1("thumb image done: %s", tl->fd ? tl->fd->path : "???");
553 DEBUG_1(" from: %s", image_loader_get_fd(tl->il)->path);
555 pixbuf = image_loader_get_pixbuf(tl->il);
558 DEBUG_1("...but no pixbuf");
559 thumb_loader_std_error_cb(il, data);
563 if (tl->thumb_path && !thumb_loader_std_validate(tl, pixbuf))
565 if (thumb_loader_std_next_source(tl, TRUE)) return;
567 if (tl->func_error) tl->func_error(tl, tl->data);
571 tl->cache_hit = (tl->thumb_path != NULL);
575 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
576 tl->fd->thumb_pixbuf = thumb_loader_std_finish(tl, pixbuf, image_loader_get_shrunk(il));
579 if (tl->func_done) tl->func_done(tl, tl->data);
582 static void thumb_loader_std_error_cb(ImageLoader *il, gpointer data)
584 ThumbLoaderStd *tl = data;
586 /* if at least some of the image is available, go to done */
587 if (image_loader_get_pixbuf(tl->il) != NULL)
589 thumb_loader_std_done_cb(il, data);
593 DEBUG_1("thumb image error: %s", tl->fd->path);
594 DEBUG_1(" from: %s", image_loader_get_fd(tl->il)->path);
596 if (thumb_loader_std_next_source(tl, TRUE)) return;
598 thumb_loader_std_set_fallback(tl);
600 if (tl->func_error) tl->func_error(tl, tl->data);
603 static void thumb_loader_std_progress_cb(ImageLoader *il, gdouble percent, gpointer data)
605 ThumbLoaderStd *tl = data;
607 tl->progress = (gdouble)percent;
609 if (tl->func_progress) tl->func_progress(tl, tl->data);
612 static gboolean thumb_loader_std_setup(ThumbLoaderStd *tl, FileData *fd)
614 tl->il = image_loader_new(fd);
615 image_loader_set_priority(tl->il, G_PRIORITY_LOW);
617 /* this will speed up jpegs by up to 3x in some cases */
618 if (tl->requested_width <= THUMB_SIZE_NORMAL &&
619 tl->requested_height <= THUMB_SIZE_NORMAL)
621 image_loader_set_requested_size(tl->il, THUMB_SIZE_NORMAL, THUMB_SIZE_NORMAL);
625 image_loader_set_requested_size(tl->il, THUMB_SIZE_LARGE, THUMB_SIZE_LARGE);
628 g_signal_connect(G_OBJECT(tl->il), "error", (GCallback)thumb_loader_std_error_cb, tl);
629 if (tl->func_progress)
631 g_signal_connect(G_OBJECT(tl->il), "percent", (GCallback)thumb_loader_std_progress_cb, tl);
633 g_signal_connect(G_OBJECT(tl->il), "done", (GCallback)thumb_loader_std_done_cb, tl);
635 if (image_loader_start(tl->il))
640 image_loader_free(tl->il);
646 * Note: Currently local_cache only specifies where to save a _new_ thumb, if
647 * a valid existing thumb is found anywhere the local thumb will not be created.
649 void thumb_loader_std_set_cache(ThumbLoaderStd *tl, gboolean enable_cache, gboolean local, gboolean retry_failed)
653 tl->cache_enable = enable_cache;
654 tl->cache_local = local;
655 tl->cache_retry = retry_failed;
658 gboolean thumb_loader_std_start(ThumbLoaderStd *tl, FileData *fd)
660 static gchar *thumb_cache = NULL;
663 if (!tl || !fd) return FALSE;
665 thumb_loader_std_reset(tl);
668 tl->fd = file_data_ref(fd);
669 if (!stat_utf8(fd->path, &st))
671 thumb_loader_std_set_fallback(tl);
674 tl->source_mtime = st.st_mtime;
675 tl->source_size = st.st_size;
676 tl->source_mode = st.st_mode;
678 if (!thumb_cache) thumb_cache = g_build_filename(homedir(), THUMB_FOLDER_GLOBAL, NULL);
679 if (strncmp(tl->fd->path, thumb_cache, strlen(thumb_cache)) != 0)
683 pathl = path_from_utf8(fd->path);
684 tl->thumb_uri = g_filename_to_uri(pathl, NULL, NULL);
685 tl->local_uri = filename_from_path(tl->thumb_uri);
689 if (tl->cache_enable)
693 tl->thumb_path = thumb_loader_std_cache_path(tl, FALSE, NULL, FALSE);
694 tl->thumb_path_local = FALSE;
696 found = isfile(tl->thumb_path);
699 FileData *fd = file_data_new_no_grouping(tl->thumb_path);
700 if (thumb_loader_std_setup(tl, fd))
708 if (thumb_loader_std_fail_check(tl) ||
709 !thumb_loader_std_next_source(tl, found))
711 thumb_loader_std_set_fallback(tl);
717 if (!thumb_loader_std_setup(tl, tl->fd))
719 thumb_loader_std_save(tl, NULL);
720 thumb_loader_std_set_fallback(tl);
727 void thumb_loader_std_free(ThumbLoaderStd *tl)
731 thumb_loader_std_reset(tl);
735 GdkPixbuf *thumb_loader_std_get_pixbuf(ThumbLoaderStd *tl)
739 if (tl && tl->fd && tl->fd->thumb_pixbuf)
741 pixbuf = tl->fd->thumb_pixbuf;
742 g_object_ref(pixbuf);
746 pixbuf = pixbuf_fallback(NULL, tl->requested_width, tl->requested_height);
753 typedef struct _ThumbValidate ThumbValidate;
754 struct _ThumbValidate
760 void (*func_valid)(const gchar *path, gboolean valid, gpointer data);
763 guint idle_id; /* event source id */
766 static void thumb_loader_std_thumb_file_validate_free(ThumbValidate *tv)
768 thumb_loader_std_free(tv->tl);
773 void thumb_loader_std_thumb_file_validate_cancel(ThumbLoaderStd *tl)
783 g_source_remove(tv->idle_id);
787 thumb_loader_std_thumb_file_validate_free(tv);
790 static void thumb_loader_std_thumb_file_validate_finish(ThumbValidate *tv, gboolean valid)
792 if (tv->func_valid) tv->func_valid(tv->path, valid, tv->data);
794 thumb_loader_std_thumb_file_validate_free(tv);
797 static void thumb_loader_std_thumb_file_validate_done_cb(ThumbLoaderStd *tl, gpointer data)
799 ThumbValidate *tv = data;
801 gboolean valid = FALSE;
803 /* get the original thumbnail pixbuf (unrotated, with original options)
804 this is called from image_loader done callback, so tv->tl->il must exist*/
805 pixbuf = image_loader_get_pixbuf(tv->tl->il);
809 const gchar *mtime_str;
811 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
812 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
813 if (uri && mtime_str)
815 if (strncmp(uri, "file:", strlen("file:")) == 0)
820 target = g_filename_from_uri(uri, NULL, NULL);
821 if (stat(target, &st) == 0 &&
822 st.st_mtime == strtol(mtime_str, NULL, 10))
832 DEBUG_1("thumb uri foreign, doing day check: %s", uri);
834 if (stat_utf8(tv->path, &st))
839 if (st.st_atime >= now - (time_t)tv->days * 24 * 60 * 60)
848 DEBUG_1("invalid image found in std cache: %s", tv->path);
852 thumb_loader_std_thumb_file_validate_finish(tv, valid);
855 static void thumb_loader_std_thumb_file_validate_error_cb(ThumbLoaderStd *tl, gpointer data)
857 ThumbValidate *tv = data;
859 thumb_loader_std_thumb_file_validate_finish(tv, FALSE);
862 static gboolean thumb_loader_std_thumb_file_validate_idle_cb(gpointer data)
864 ThumbValidate *tv = data;
867 thumb_loader_std_thumb_file_validate_finish(tv, FALSE);
872 ThumbLoaderStd *thumb_loader_std_thumb_file_validate(const gchar *thumb_path, gint allowed_days,
873 void (*func_valid)(const gchar *path, gboolean valid, gpointer data),
878 tv = g_new0(ThumbValidate, 1);
880 tv->tl = thumb_loader_std_new(THUMB_SIZE_LARGE, THUMB_SIZE_LARGE);
881 thumb_loader_std_set_callbacks(tv->tl,
882 thumb_loader_std_thumb_file_validate_done_cb,
883 thumb_loader_std_thumb_file_validate_error_cb,
886 thumb_loader_std_reset(tv->tl);
888 tv->path = g_strdup(thumb_path);
889 tv->days = allowed_days;
890 tv->func_valid = func_valid;
893 FileData *fd = file_data_new_no_grouping(thumb_path);
894 if (!thumb_loader_std_setup(tv->tl, fd))
896 tv->idle_id = g_idle_add(thumb_loader_std_thumb_file_validate_idle_cb, tv);
907 static void thumb_std_maint_remove_one(const gchar *source, const gchar *uri, gboolean local,
908 const gchar *subfolder)
912 thumb_path = thumb_std_cache_path(source,
913 (local) ? filename_from_path(uri) : uri,
915 if (isfile(thumb_path))
917 DEBUG_1("thumb removing: %s", thumb_path);
918 unlink_file(thumb_path);
923 /* this also removes local thumbnails (the source is gone so it makes sense) */
924 void thumb_std_maint_removed(const gchar *source)
929 sourcel = path_from_utf8(source);
930 uri = g_filename_to_uri(sourcel, NULL, NULL);
933 /* all this to remove a thumbnail? */
935 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_NORMAL);
936 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_LARGE);
937 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_FAIL);
938 thumb_std_maint_remove_one(source, uri, TRUE, THUMB_FOLDER_NORMAL);
939 thumb_std_maint_remove_one(source, uri, TRUE, THUMB_FOLDER_LARGE);
944 typedef struct _TMaintMove TMaintMove;
957 static GList *thumb_std_maint_move_list = NULL;
958 static GList *thumb_std_maint_move_tail = NULL;
961 static void thumb_std_maint_move_step(TMaintMove *tm);
962 static gboolean thumb_std_maint_move_idle(gpointer data);
965 static void thumb_std_maint_move_validate_cb(const gchar *path, gboolean valid, gpointer data)
967 TMaintMove *tm = data;
970 /* get the original thumbnail pixbuf (unrotated, with original options)
971 this is called from image_loader done callback, so tm->tl->il must exist*/
972 pixbuf = image_loader_get_pixbuf(tm->tl->il);
976 const gchar *mtime_str;
978 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
979 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
981 if (uri && mtime_str && strcmp(uri, tm->source_uri) == 0)
985 /* The validation utility abuses ThumbLoader, and we
986 * abuse the utility just to load the thumbnail,
987 * but the loader needs to look sane for the save to complete.
990 tm->tl->cache_enable = TRUE;
991 tm->tl->cache_hit = FALSE;
992 tm->tl->cache_local = FALSE;
993 file_data_unref(tm->tl->fd);
994 tm->tl->fd = file_data_new_group(tm->dest);
995 tm->tl->source_mtime = strtol(mtime_str, NULL, 10);
997 pathl = path_from_utf8(tm->tl->fd->path);
998 g_free(tm->tl->thumb_uri);
999 tm->tl->thumb_uri = g_filename_to_uri(pathl, NULL, NULL);
1000 tm->tl->local_uri = filename_from_path(tm->tl->thumb_uri);
1003 g_free(tm->tl->thumb_path);
1004 tm->tl->thumb_path = NULL;
1005 tm->tl->thumb_path_local = FALSE;
1007 DEBUG_1("thumb move attempting save:");
1009 thumb_loader_std_save(tm->tl, pixbuf);
1012 DEBUG_1("thumb move unlink: %s", tm->thumb_path);
1013 unlink_file(tm->thumb_path);
1016 thumb_std_maint_move_step(tm);
1019 static void thumb_std_maint_move_step(TMaintMove *tm)
1021 const gchar *folder;
1028 g_free(tm->source_uri);
1029 g_free(tm->thumb_path);
1032 if (thumb_std_maint_move_list)
1034 g_idle_add_full(G_PRIORITY_LOW, thumb_std_maint_move_idle, NULL, NULL);
1040 folder = (tm->pass == 1) ? THUMB_FOLDER_NORMAL : THUMB_FOLDER_LARGE;
1042 g_free(tm->thumb_path);
1043 tm->thumb_path = thumb_std_cache_path(tm->source, tm->source_uri, FALSE, folder);
1044 tm->tl = thumb_loader_std_thumb_file_validate(tm->thumb_path, 0,
1045 thumb_std_maint_move_validate_cb, tm);
1048 static gboolean thumb_std_maint_move_idle(gpointer data)
1053 if (!thumb_std_maint_move_list) return FALSE;
1055 tm = thumb_std_maint_move_list->data;
1057 thumb_std_maint_move_list = g_list_remove(thumb_std_maint_move_list, tm);
1058 if (!thumb_std_maint_move_list) thumb_std_maint_move_tail = NULL;
1060 pathl = path_from_utf8(tm->source);
1061 tm->source_uri = g_filename_to_uri(pathl, NULL, NULL);
1066 thumb_std_maint_move_step(tm);
1071 /* This will schedule a move of the thumbnail for source image to dest when idle.
1072 * We do this so that file renaming or moving speed is not sacrificed by
1073 * moving the thumbnails at the same time because:
1075 * This cache design requires the tedious task of loading the png thumbnails and saving them.
1077 * The thumbnails are processed when the app is idle. If the app
1078 * exits early well too bad - they can simply be regenerated from scratch.
1080 * This does not manage local thumbnails (fixme ?)
1082 void thumb_std_maint_moved(const gchar *source, const gchar *dest)
1086 tm = g_new0(TMaintMove, 1);
1087 tm->source = g_strdup(source);
1088 tm->dest = g_strdup(dest);
1090 if (!thumb_std_maint_move_list)
1092 g_idle_add_full(G_PRIORITY_LOW, thumb_std_maint_move_idle, NULL, NULL);
1095 if (thumb_std_maint_move_tail)
1097 thumb_std_maint_move_tail = g_list_append(thumb_std_maint_move_tail, tm);
1098 thumb_std_maint_move_tail = thumb_std_maint_move_tail->next;
1102 thumb_std_maint_move_list = g_list_append(thumb_std_maint_move_list, tm);
1103 thumb_std_maint_move_tail = thumb_std_maint_move_list;
1106 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */