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"
26 #include "image-load.h"
28 #include "pixbuf_util.h"
29 #include "ui_fileops.h"
33 #include "color-man.h"
39 * This thumbnail caching implementation attempts to conform
40 * to the Thumbnail Managing Standard proposed on freedesktop.org
41 * The standard is documented here: \n
42 * http://triq.net/~jens/thumbnail-spec/index.html \n
43 * (why isn't it actually hosted on freedesktop.org?)
45 * This code attempts to conform to version 0.7.0 of the standard.
48 * > Validation of the thumb's embedded uri is a simple strcmp between our
49 * > version of the escaped uri and the thumb's escaped uri. But not all uri
50 * > escape functions escape the same set of chars, comparing the unescaped
51 * > versions may be more accurate. \n
52 * > Only Thumb::URI and Thumb::MTime are stored in a thumb at this time.
53 * Storing the Size, Width, Height should probably be implemented.
57 #define THUMB_SIZE_NORMAL 128
58 #define THUMB_SIZE_LARGE 256
60 #define THUMB_MARKER_URI "tEXt::Thumb::URI"
61 #define THUMB_MARKER_MTIME "tEXt::Thumb::MTime"
62 #define THUMB_MARKER_SIZE "tEXt::Thumb::Size"
63 #define THUMB_MARKER_WIDTH "tEXt::Thumb::Image::Width"
64 #define THUMB_MARKER_HEIGHT "tEXt::Thumb::Image::Height"
65 #define THUMB_MARKER_APP "tEXt::Software"
67 #define THUMB_PERMS_FOLDER 0700
68 #define THUMB_PERMS_THUMB 0600
73 *-----------------------------------------------------------------------------
75 *-----------------------------------------------------------------------------
79 static void thumb_loader_std_error_cb(ImageLoader *il, gpointer data);
80 static gint thumb_loader_std_setup(ThumbLoaderStd *tl, FileData *fd);
83 ThumbLoaderStd *thumb_loader_std_new(gint width, gint height)
87 tl = g_new0(ThumbLoaderStd, 1);
89 tl->standard_loader = TRUE;
90 tl->requested_width = width;
91 tl->requested_height = height;
92 tl->cache_enable = options->thumbnails.enable_caching;
97 void thumb_loader_std_set_callbacks(ThumbLoaderStd *tl,
98 ThumbLoaderStdFunc func_done,
99 ThumbLoaderStdFunc func_error,
100 ThumbLoaderStdFunc func_progress,
105 tl->func_done = func_done;
106 tl->func_error = func_error;
107 tl->func_progress = func_progress;
111 static void thumb_loader_std_reset(ThumbLoaderStd *tl)
113 image_loader_free(tl->il);
116 file_data_unref(tl->fd);
119 g_free(tl->thumb_path);
120 tl->thumb_path = NULL;
122 g_free(tl->thumb_uri);
123 tl->thumb_uri = NULL;
124 tl->local_uri = NULL;
126 tl->thumb_path_local = FALSE;
128 tl->cache_hit = FALSE;
130 tl->source_mtime = 0;
137 static gchar *thumb_std_cache_path(const gchar *path, const gchar *uri, gboolean local,
138 const gchar *cache_subfolder)
140 gchar *result = NULL;
145 if (!path || !uri || !cache_subfolder) return NULL;
147 md5_get_digest((guchar *)uri, strlen(uri), digest);
148 md5_text = md5_digest_to_text(digest);
150 if (!md5_text) return NULL;
152 name = g_strconcat(md5_text, THUMB_NAME_EXTENSION, NULL);
156 gchar *base = remove_level_from_path(path);
158 result = g_build_filename(base, THUMB_FOLDER_LOCAL, cache_subfolder, name, NULL);
163 result = g_build_filename(get_thumbnails_standard_cache_dir(),
164 cache_subfolder, name, NULL);
173 static gchar *thumb_loader_std_cache_path(ThumbLoaderStd *tl, gboolean local, GdkPixbuf *pixbuf, gboolean fail)
178 if (!tl->fd || !tl->thumb_uri) return NULL;
182 w = gdk_pixbuf_get_width(pixbuf);
183 h = gdk_pixbuf_get_height(pixbuf);
187 w = tl->requested_width;
188 h = tl->requested_height;
193 folder = THUMB_FOLDER_FAIL;
195 else if (w > THUMB_SIZE_NORMAL || h > THUMB_SIZE_NORMAL)
197 folder = THUMB_FOLDER_LARGE;
201 folder = THUMB_FOLDER_NORMAL;
204 return thumb_std_cache_path(tl->fd->path,
205 (local) ? tl->local_uri : tl->thumb_uri,
209 static gboolean thumb_loader_std_fail_check(ThumbLoaderStd *tl)
212 gboolean result = FALSE;
214 fail_path = thumb_loader_std_cache_path(tl, FALSE, NULL, TRUE);
215 if (isfile(fail_path))
227 pathl = path_from_utf8(fail_path);
228 pixbuf = gdk_pixbuf_new_from_file(pathl, NULL);
234 const gchar *mtime_str;
236 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
237 if (mtime_str && strtol(mtime_str, NULL, 10) == tl->source_mtime)
240 DEBUG_1("thumb fail valid: %s", tl->fd->path);
241 DEBUG_1(" thumb: %s", fail_path);
244 g_object_unref(G_OBJECT(pixbuf));
247 if (!result) unlink_file(fail_path);
254 static gboolean thumb_loader_std_validate(ThumbLoaderStd *tl, GdkPixbuf *pixbuf)
256 const gchar *valid_uri;
258 const gchar *mtime_str;
262 if (!pixbuf) return FALSE;
264 w = gdk_pixbuf_get_width(pixbuf);
265 h = gdk_pixbuf_get_height(pixbuf);
267 if (w != THUMB_SIZE_NORMAL && w != THUMB_SIZE_LARGE &&
268 h != THUMB_SIZE_NORMAL && h != THUMB_SIZE_LARGE) return FALSE;
270 valid_uri = (tl->thumb_path_local) ? tl->local_uri : tl->thumb_uri;
272 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
273 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
275 if (!mtime_str || !uri || !valid_uri) return FALSE;
276 if (strcmp(uri, valid_uri) != 0) return FALSE;
278 mtime = strtol(mtime_str, NULL, 10);
279 if (tl->source_mtime != mtime) return FALSE;
284 static void thumb_loader_std_save(ThumbLoaderStd *tl, GdkPixbuf *pixbuf)
290 if (!tl->cache_enable || tl->cache_hit) return;
291 if (tl->thumb_path) return;
295 /* local failures are not stored */
296 if (tl->cache_local) return;
298 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 1, 1);
303 g_object_ref(G_OBJECT(pixbuf));
307 tl->thumb_path = thumb_loader_std_cache_path(tl, tl->cache_local, pixbuf, fail);
310 g_object_unref(G_OBJECT(pixbuf));
313 tl->thumb_path_local = tl->cache_local;
315 /* create thumbnail dir if needed */
316 base_path = remove_level_from_path(tl->thumb_path);
319 if (!isdir(base_path))
324 source_base = remove_level_from_path(tl->fd->path);
325 if (stat_utf8(source_base, &st))
327 recursive_mkdir_if_not_exists(base_path, st.st_mode);
334 recursive_mkdir_if_not_exists(base_path, THUMB_PERMS_FOLDER);
338 DEBUG_1("thumb saving: %s", tl->fd->path);
339 DEBUG_1(" saved: %s", tl->thumb_path);
341 /* save thumb, using a temp file then renaming into place */
342 tmp_path = unique_filename(tl->thumb_path, ".tmp", "_", 2);
345 const gchar *mark_uri;
351 mark_uri = (tl->cache_local) ? tl->local_uri :tl->thumb_uri;
353 mark_app = g_strdup_printf("%s %s", GQ_APPNAME, VERSION);
354 mark_mtime = g_strdup_printf("%llu", (unsigned long long)tl->source_mtime);
355 pathl = path_from_utf8(tmp_path);
356 success = gdk_pixbuf_save(pixbuf, pathl, "png", NULL,
357 THUMB_MARKER_URI, mark_uri,
358 THUMB_MARKER_MTIME, mark_mtime,
359 THUMB_MARKER_APP, mark_app,
363 chmod(pathl, (tl->cache_local) ? tl->source_mode : THUMB_PERMS_THUMB);
364 success = rename_file(tmp_path, tl->thumb_path);
375 DEBUG_1("thumb save failed: %s", tl->fd->path);
376 DEBUG_1(" thumb: %s", tl->thumb_path);
381 g_object_unref(G_OBJECT(pixbuf));
384 static void thumb_loader_std_set_fallback(ThumbLoaderStd *tl)
386 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
387 tl->fd->thumb_pixbuf = pixbuf_fallback(tl->fd, tl->requested_width, tl->requested_height);
391 void thumb_loader_std_calibrate_pixbuf(FileData *fd, GdkPixbuf *pixbuf) {
393 ExifData *exif = NULL;
394 gint color_profile_from_image = COLOR_PROFILE_NONE;
395 ColorManProfileType input_type = COLOR_PROFILE_MEM;
396 ColorManProfileType screen_type;
397 const gchar *input_file = NULL;
398 guchar *profile = NULL;
402 if (!options->thumbnails.use_color_management)
407 sw = gdk_pixbuf_get_width(pixbuf);
408 sh = gdk_pixbuf_get_height(pixbuf);
410 exif = exif_read_fd(fd);
414 profile = exif_get_color_profile(exif, &profile_len);
417 DEBUG_1("Found embedded color profile");
418 color_profile_from_image = COLOR_PROFILE_MEM;
422 gchar *interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
426 /* Exif 2.21 specification */
427 if (!strcmp(interop_index, "R98"))
429 color_profile_from_image = COLOR_PROFILE_SRGB;
430 DEBUG_1("Found EXIF 2.21 ColorSpace of sRGB");
432 else if (!strcmp(interop_index, "R03"))
434 color_profile_from_image = COLOR_PROFILE_ADOBERGB;
435 DEBUG_1("Found EXIF 2.21 ColorSpace of AdobeRGB");
437 g_free(interop_index);
443 /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
444 if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
447 color_profile_from_image = COLOR_PROFILE_SRGB;
448 DEBUG_1("Found EXIF 2.2 ColorSpace of sRGB");
452 /* non-standard way of specifying AdobeRGB (used by some software) */
453 color_profile_from_image = COLOR_PROFILE_ADOBERGB;
454 DEBUG_1("Found EXIF 2.2 ColorSpace of AdobeRGB");
459 if(color_profile_from_image != COLOR_PROFILE_NONE)
461 // transform image, we always use sRGB as target for thumbnails
462 screen_type = COLOR_PROFILE_SRGB;
466 cm = color_man_new_embedded(NULL, pixbuf,
467 profile, profile_len,
468 screen_type, NULL, NULL, 0);
473 cm = color_man_new(NULL, pixbuf,
474 input_type, input_file,
475 screen_type, NULL, NULL, 0);
479 color_man_correct_region(cm, cm->pixbuf, 0, 0, sw, sh);
484 exif_free_fd(fd, exif);
488 static GdkPixbuf *thumb_loader_std_finish(ThumbLoaderStd *tl, GdkPixbuf *pixbuf, gboolean shrunk)
490 GdkPixbuf *pixbuf_thumb = NULL;
492 GdkPixbuf *rotated = NULL;
496 if (!tl->cache_hit && options->image.exif_rotate_enable)
498 if (!tl->fd->exif_orientation)
500 tl->fd->exif_orientation = metadata_read_int(tl->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
503 if (tl->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
505 rotated = pixbuf_apply_orientation(pixbuf, tl->fd->exif_orientation);
510 sw = gdk_pixbuf_get_width(pixbuf);
511 sh = gdk_pixbuf_get_height(pixbuf);
513 if (tl->cache_enable)
517 gint cache_w, cache_h;
519 if (tl->requested_width > THUMB_SIZE_NORMAL || tl->requested_height > THUMB_SIZE_NORMAL)
521 cache_w = cache_h = THUMB_SIZE_LARGE;
525 cache_w = cache_h = THUMB_SIZE_NORMAL;
528 if (sw > cache_w || sh > cache_h || shrunk)
530 gint thumb_w, thumb_h;
533 if (pixbuf_scale_aspect(cache_w, cache_h, sw, sh,
536 pixbuf_thumb = gdk_pixbuf_scale_simple(pixbuf, thumb_w, thumb_h,
537 (GdkInterpType)options->thumbnails.quality);
541 pixbuf_thumb = pixbuf;
542 g_object_ref(G_OBJECT(pixbuf_thumb));
545 /* do not save the thumbnail if the source file has changed meanwhile -
546 the thumbnail is most probably broken */
547 if (stat_utf8(tl->fd->path, &st) &&
548 tl->source_mtime == st.st_mtime &&
549 tl->source_size == st.st_size)
551 thumb_loader_std_save(tl, pixbuf_thumb);
555 else if (tl->cache_hit &&
556 tl->cache_local && !tl->thumb_path_local)
558 /* A local cache save was requested, but a valid thumb is in $HOME,
559 * so specifically save as a local thumbnail.
561 g_free(tl->thumb_path);
562 tl->thumb_path = NULL;
564 tl->cache_hit = FALSE;
566 DEBUG_1("thumb copied: %s", tl->fd->path);
568 thumb_loader_std_save(tl, pixbuf);
572 if (sw <= tl->requested_width && sh <= tl->requested_height)
575 g_object_ref(result);
579 gint thumb_w, thumb_h;
583 pixbuf = pixbuf_thumb;
584 sw = gdk_pixbuf_get_width(pixbuf);
585 sh = gdk_pixbuf_get_height(pixbuf);
588 if (pixbuf_scale_aspect(tl->requested_width, tl->requested_height, sw, sh,
591 result = gdk_pixbuf_scale_simple(pixbuf, thumb_w, thumb_h,
592 (GdkInterpType)options->thumbnails.quality);
597 g_object_ref(result);
601 // apply color correction, if required
602 thumb_loader_std_calibrate_pixbuf(tl->fd, result);
604 if (pixbuf_thumb) g_object_unref(pixbuf_thumb);
605 if (rotated) g_object_unref(rotated);
610 static gboolean thumb_loader_std_next_source(ThumbLoaderStd *tl, gboolean remove_broken)
612 image_loader_free(tl->il);
617 if (!tl->thumb_path_local && remove_broken)
619 DEBUG_1("thumb broken, unlinking: %s", tl->thumb_path);
620 unlink_file(tl->thumb_path);
623 g_free(tl->thumb_path);
624 tl->thumb_path = NULL;
626 if (!tl->thumb_path_local)
628 tl->thumb_path = thumb_loader_std_cache_path(tl, TRUE, NULL, FALSE);
629 if (isfile(tl->thumb_path))
631 FileData *fd = file_data_new_no_grouping(tl->thumb_path);
632 if (thumb_loader_std_setup(tl, fd))
635 tl->thumb_path_local = TRUE;
641 g_free(tl->thumb_path);
642 tl->thumb_path = NULL;
645 if (thumb_loader_std_setup(tl, tl->fd)) return TRUE;
648 thumb_loader_std_save(tl, NULL);
652 static void thumb_loader_std_done_cb(ImageLoader *il, gpointer data)
654 ThumbLoaderStd *tl = data;
657 DEBUG_1("thumb image done: %s", tl->fd ? tl->fd->path : "???");
658 DEBUG_1(" from: %s", image_loader_get_fd(tl->il)->path);
660 pixbuf = image_loader_get_pixbuf(tl->il);
663 DEBUG_1("...but no pixbuf");
664 thumb_loader_std_error_cb(il, data);
668 if (tl->thumb_path && !thumb_loader_std_validate(tl, pixbuf))
670 if (thumb_loader_std_next_source(tl, TRUE)) return;
672 if (tl->func_error) tl->func_error(tl, tl->data);
676 tl->cache_hit = (tl->thumb_path != NULL);
680 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
681 tl->fd->thumb_pixbuf = thumb_loader_std_finish(tl, pixbuf, image_loader_get_shrunk(il));
684 if (tl->func_done) tl->func_done(tl, tl->data);
687 static void thumb_loader_std_error_cb(ImageLoader *il, gpointer data)
689 ThumbLoaderStd *tl = data;
691 /* if at least some of the image is available, go to done */
692 if (image_loader_get_pixbuf(tl->il) != NULL)
694 thumb_loader_std_done_cb(il, data);
698 DEBUG_1("thumb image error: %s", tl->fd->path);
699 DEBUG_1(" from: %s", image_loader_get_fd(tl->il)->path);
701 if (thumb_loader_std_next_source(tl, TRUE)) return;
703 thumb_loader_std_set_fallback(tl);
705 if (tl->func_error) tl->func_error(tl, tl->data);
708 static void thumb_loader_std_progress_cb(ImageLoader *il, gdouble percent, gpointer data)
710 ThumbLoaderStd *tl = data;
712 tl->progress = (gdouble)percent;
714 if (tl->func_progress) tl->func_progress(tl, tl->data);
717 static gboolean thumb_loader_std_setup(ThumbLoaderStd *tl, FileData *fd)
719 tl->il = image_loader_new(fd);
720 image_loader_set_priority(tl->il, G_PRIORITY_LOW);
722 /* this will speed up jpegs by up to 3x in some cases */
723 if (tl->requested_width <= THUMB_SIZE_NORMAL &&
724 tl->requested_height <= THUMB_SIZE_NORMAL)
726 image_loader_set_requested_size(tl->il, THUMB_SIZE_NORMAL, THUMB_SIZE_NORMAL);
730 image_loader_set_requested_size(tl->il, THUMB_SIZE_LARGE, THUMB_SIZE_LARGE);
733 g_signal_connect(G_OBJECT(tl->il), "error", (GCallback)thumb_loader_std_error_cb, tl);
734 if (tl->func_progress)
736 g_signal_connect(G_OBJECT(tl->il), "percent", (GCallback)thumb_loader_std_progress_cb, tl);
738 g_signal_connect(G_OBJECT(tl->il), "done", (GCallback)thumb_loader_std_done_cb, tl);
740 if (image_loader_start(tl->il))
745 image_loader_free(tl->il);
751 * Note: Currently local_cache only specifies where to save a _new_ thumb, if
752 * a valid existing thumb is found anywhere the local thumb will not be created.
754 void thumb_loader_std_set_cache(ThumbLoaderStd *tl, gboolean enable_cache, gboolean local, gboolean retry_failed)
758 tl->cache_enable = enable_cache;
759 tl->cache_local = local;
760 tl->cache_retry = retry_failed;
763 gboolean thumb_loader_std_start(ThumbLoaderStd *tl, FileData *fd)
765 static gchar *thumb_cache = NULL;
768 if (!tl || !fd) return FALSE;
770 thumb_loader_std_reset(tl);
773 tl->fd = file_data_ref(fd);
774 if (!stat_utf8(fd->path, &st) || (tl->fd->format_class != FORMAT_CLASS_IMAGE && tl->fd->format_class != FORMAT_CLASS_RAWIMAGE && tl->fd->format_class != FORMAT_CLASS_VIDEO && tl->fd->format_class != FORMAT_CLASS_COLLECTION && tl->fd->format_class != FORMAT_CLASS_DOCUMENT && !options->file_filter.disable))
776 thumb_loader_std_set_fallback(tl);
779 tl->source_mtime = st.st_mtime;
780 tl->source_size = st.st_size;
781 tl->source_mode = st.st_mode;
785 thumb_cache = g_strdup(get_thumbnails_standard_cache_dir());
788 if (strncmp(tl->fd->path, thumb_cache, strlen(thumb_cache)) != 0)
792 pathl = path_from_utf8(fd->path);
793 tl->thumb_uri = g_filename_to_uri(pathl, NULL, NULL);
794 tl->local_uri = filename_from_path(tl->thumb_uri);
798 if (tl->cache_enable)
802 tl->thumb_path = thumb_loader_std_cache_path(tl, FALSE, NULL, FALSE);
803 tl->thumb_path_local = FALSE;
805 found = isfile(tl->thumb_path);
808 FileData *fd = file_data_new_no_grouping(tl->thumb_path);
809 if (thumb_loader_std_setup(tl, fd))
817 if (thumb_loader_std_fail_check(tl) ||
818 !thumb_loader_std_next_source(tl, found))
820 thumb_loader_std_set_fallback(tl);
826 if (!thumb_loader_std_setup(tl, tl->fd))
828 thumb_loader_std_save(tl, NULL);
829 thumb_loader_std_set_fallback(tl);
836 void thumb_loader_std_free(ThumbLoaderStd *tl)
840 thumb_loader_std_reset(tl);
844 GdkPixbuf *thumb_loader_std_get_pixbuf(ThumbLoaderStd *tl)
848 if (tl && tl->fd && tl->fd->thumb_pixbuf)
850 pixbuf = tl->fd->thumb_pixbuf;
851 g_object_ref(pixbuf);
855 pixbuf = pixbuf_fallback(NULL, tl->requested_width, tl->requested_height);
862 typedef struct _ThumbValidate ThumbValidate;
863 struct _ThumbValidate
869 void (*func_valid)(const gchar *path, gboolean valid, gpointer data);
872 guint idle_id; /* event source id */
875 static void thumb_loader_std_thumb_file_validate_free(ThumbValidate *tv)
877 thumb_loader_std_free(tv->tl);
882 void thumb_loader_std_thumb_file_validate_cancel(ThumbLoaderStd *tl)
892 g_source_remove(tv->idle_id);
896 thumb_loader_std_thumb_file_validate_free(tv);
899 static void thumb_loader_std_thumb_file_validate_finish(ThumbValidate *tv, gboolean valid)
901 if (tv->func_valid) tv->func_valid(tv->path, valid, tv->data);
903 thumb_loader_std_thumb_file_validate_free(tv);
906 static void thumb_loader_std_thumb_file_validate_done_cb(ThumbLoaderStd *tl, gpointer data)
908 ThumbValidate *tv = data;
910 gboolean valid = FALSE;
912 /* get the original thumbnail pixbuf (unrotated, with original options)
913 this is called from image_loader done callback, so tv->tl->il must exist*/
914 pixbuf = image_loader_get_pixbuf(tv->tl->il);
918 const gchar *mtime_str;
920 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
921 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
922 if (uri && mtime_str)
924 if (strncmp(uri, "file:", strlen("file:")) == 0)
929 target = g_filename_from_uri(uri, NULL, NULL);
930 if (stat(target, &st) == 0 &&
931 st.st_mtime == strtol(mtime_str, NULL, 10))
941 DEBUG_1("thumb uri foreign, doing day check: %s", uri);
943 if (stat_utf8(tv->path, &st))
948 if (st.st_atime >= now - (time_t)tv->days * 24 * 60 * 60)
957 DEBUG_1("invalid image found in std cache: %s", tv->path);
961 thumb_loader_std_thumb_file_validate_finish(tv, valid);
964 static void thumb_loader_std_thumb_file_validate_error_cb(ThumbLoaderStd *tl, gpointer data)
966 ThumbValidate *tv = data;
968 thumb_loader_std_thumb_file_validate_finish(tv, FALSE);
971 static gboolean thumb_loader_std_thumb_file_validate_idle_cb(gpointer data)
973 ThumbValidate *tv = data;
976 thumb_loader_std_thumb_file_validate_finish(tv, FALSE);
981 ThumbLoaderStd *thumb_loader_std_thumb_file_validate(const gchar *thumb_path, gint allowed_days,
982 void (*func_valid)(const gchar *path, gboolean valid, gpointer data),
987 tv = g_new0(ThumbValidate, 1);
989 tv->tl = thumb_loader_std_new(THUMB_SIZE_LARGE, THUMB_SIZE_LARGE);
990 thumb_loader_std_set_callbacks(tv->tl,
991 thumb_loader_std_thumb_file_validate_done_cb,
992 thumb_loader_std_thumb_file_validate_error_cb,
995 thumb_loader_std_reset(tv->tl);
997 tv->path = g_strdup(thumb_path);
998 tv->days = allowed_days;
999 tv->func_valid = func_valid;
1002 FileData *fd = file_data_new_no_grouping(thumb_path);
1003 if (!thumb_loader_std_setup(tv->tl, fd))
1005 tv->idle_id = g_idle_add(thumb_loader_std_thumb_file_validate_idle_cb, tv);
1012 file_data_unref(fd);
1016 static void thumb_std_maint_remove_one(const gchar *source, const gchar *uri, gboolean local,
1017 const gchar *subfolder)
1021 thumb_path = thumb_std_cache_path(source,
1022 (local) ? filename_from_path(uri) : uri,
1024 if (isfile(thumb_path))
1026 DEBUG_1("thumb removing: %s", thumb_path);
1027 unlink_file(thumb_path);
1032 /* this also removes local thumbnails (the source is gone so it makes sense) */
1033 void thumb_std_maint_removed(const gchar *source)
1038 sourcel = path_from_utf8(source);
1039 uri = g_filename_to_uri(sourcel, NULL, NULL);
1042 /* all this to remove a thumbnail? */
1044 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_NORMAL);
1045 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_LARGE);
1046 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_FAIL);
1047 thumb_std_maint_remove_one(source, uri, TRUE, THUMB_FOLDER_NORMAL);
1048 thumb_std_maint_remove_one(source, uri, TRUE, THUMB_FOLDER_LARGE);
1053 typedef struct _TMaintMove TMaintMove;
1066 static GList *thumb_std_maint_move_list = NULL;
1067 static GList *thumb_std_maint_move_tail = NULL;
1070 static void thumb_std_maint_move_step(TMaintMove *tm);
1071 static gboolean thumb_std_maint_move_idle(gpointer data);
1074 static void thumb_std_maint_move_validate_cb(const gchar *path, gboolean valid, gpointer data)
1076 TMaintMove *tm = data;
1079 /* get the original thumbnail pixbuf (unrotated, with original options)
1080 this is called from image_loader done callback, so tm->tl->il must exist*/
1081 pixbuf = image_loader_get_pixbuf(tm->tl->il);
1085 const gchar *mtime_str;
1087 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
1088 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
1090 if (uri && mtime_str && strcmp(uri, tm->source_uri) == 0)
1094 /* The validation utility abuses ThumbLoader, and we
1095 * abuse the utility just to load the thumbnail,
1096 * but the loader needs to look sane for the save to complete.
1099 tm->tl->cache_enable = TRUE;
1100 tm->tl->cache_hit = FALSE;
1101 tm->tl->cache_local = FALSE;
1102 file_data_unref(tm->tl->fd);
1103 tm->tl->fd = file_data_new_group(tm->dest);
1104 tm->tl->source_mtime = strtol(mtime_str, NULL, 10);
1106 pathl = path_from_utf8(tm->tl->fd->path);
1107 g_free(tm->tl->thumb_uri);
1108 tm->tl->thumb_uri = g_filename_to_uri(pathl, NULL, NULL);
1109 tm->tl->local_uri = filename_from_path(tm->tl->thumb_uri);
1112 g_free(tm->tl->thumb_path);
1113 tm->tl->thumb_path = NULL;
1114 tm->tl->thumb_path_local = FALSE;
1116 DEBUG_1("thumb move attempting save:");
1118 thumb_loader_std_save(tm->tl, pixbuf);
1121 DEBUG_1("thumb move unlink: %s", tm->thumb_path);
1122 unlink_file(tm->thumb_path);
1125 thumb_std_maint_move_step(tm);
1128 static void thumb_std_maint_move_step(TMaintMove *tm)
1130 const gchar *folder;
1137 g_free(tm->source_uri);
1138 g_free(tm->thumb_path);
1141 if (thumb_std_maint_move_list)
1143 g_idle_add_full(G_PRIORITY_LOW, thumb_std_maint_move_idle, NULL, NULL);
1149 folder = (tm->pass == 1) ? THUMB_FOLDER_NORMAL : THUMB_FOLDER_LARGE;
1151 g_free(tm->thumb_path);
1152 tm->thumb_path = thumb_std_cache_path(tm->source, tm->source_uri, FALSE, folder);
1153 tm->tl = thumb_loader_std_thumb_file_validate(tm->thumb_path, 0,
1154 thumb_std_maint_move_validate_cb, tm);
1157 static gboolean thumb_std_maint_move_idle(gpointer data)
1162 if (!thumb_std_maint_move_list) return FALSE;
1164 tm = thumb_std_maint_move_list->data;
1166 thumb_std_maint_move_list = g_list_remove(thumb_std_maint_move_list, tm);
1167 if (!thumb_std_maint_move_list) thumb_std_maint_move_tail = NULL;
1169 pathl = path_from_utf8(tm->source);
1170 tm->source_uri = g_filename_to_uri(pathl, NULL, NULL);
1175 thumb_std_maint_move_step(tm);
1180 /* This will schedule a move of the thumbnail for source image to dest when idle.
1181 * We do this so that file renaming or moving speed is not sacrificed by
1182 * moving the thumbnails at the same time because:
1184 * This cache design requires the tedious task of loading the png thumbnails and saving them.
1186 * The thumbnails are processed when the app is idle. If the app
1187 * exits early well too bad - they can simply be regenerated from scratch.
1189 /** @FIXME This does not manage local thumbnails (fixme ?)
1191 void thumb_std_maint_moved(const gchar *source, const gchar *dest)
1195 tm = g_new0(TMaintMove, 1);
1196 tm->source = g_strdup(source);
1197 tm->dest = g_strdup(dest);
1199 if (!thumb_std_maint_move_list)
1201 g_idle_add_full(G_PRIORITY_LOW, thumb_std_maint_move_idle, NULL, NULL);
1204 if (thumb_std_maint_move_tail)
1206 thumb_std_maint_move_tail = g_list_append(thumb_std_maint_move_tail, tm);
1207 thumb_std_maint_move_tail = thumb_std_maint_move_tail->next;
1211 thumb_std_maint_move_list = g_list_append(thumb_std_maint_move_list, tm);
1212 thumb_std_maint_move_tail = thumb_std_maint_move_list;
1215 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */