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 * https://www.freedesktop.org/wiki/Specifications/thumbnails/ \n
44 * This code attempts to conform to version 0.7.0 of the standard.
47 * > Validation of the thumb's embedded uri is a simple strcmp between our
48 * > version of the escaped uri and the thumb's escaped uri. But not all uri
49 * > escape functions escape the same set of chars, comparing the unescaped
50 * > versions may be more accurate. \n
51 * > Only Thumb::URI and Thumb::MTime are stored in a thumb at this time.
52 * Storing the Size, Width, Height should probably be implemented.
56 #define THUMB_SIZE_NORMAL 128
57 #define THUMB_SIZE_LARGE 256
59 #define THUMB_MARKER_URI "tEXt::Thumb::URI"
60 #define THUMB_MARKER_MTIME "tEXt::Thumb::MTime"
61 #define THUMB_MARKER_SIZE "tEXt::Thumb::Size"
62 #define THUMB_MARKER_WIDTH "tEXt::Thumb::Image::Width"
63 #define THUMB_MARKER_HEIGHT "tEXt::Thumb::Image::Height"
64 #define THUMB_MARKER_APP "tEXt::Software"
66 #define THUMB_PERMS_FOLDER 0700
67 #define THUMB_PERMS_THUMB 0600
72 *-----------------------------------------------------------------------------
74 *-----------------------------------------------------------------------------
78 static void thumb_loader_std_error_cb(ImageLoader *il, gpointer data);
79 static gint thumb_loader_std_setup(ThumbLoaderStd *tl, FileData *fd);
82 ThumbLoaderStd *thumb_loader_std_new(gint width, gint height)
86 tl = g_new0(ThumbLoaderStd, 1);
88 tl->standard_loader = TRUE;
89 tl->requested_width = width;
90 tl->requested_height = height;
91 tl->cache_enable = options->thumbnails.enable_caching;
96 void thumb_loader_std_set_callbacks(ThumbLoaderStd *tl,
97 ThumbLoaderStdFunc func_done,
98 ThumbLoaderStdFunc func_error,
99 ThumbLoaderStdFunc func_progress,
104 tl->func_done = func_done;
105 tl->func_error = func_error;
106 tl->func_progress = func_progress;
110 static void thumb_loader_std_reset(ThumbLoaderStd *tl)
112 image_loader_free(tl->il);
115 file_data_unref(tl->fd);
118 g_free(tl->thumb_path);
119 tl->thumb_path = NULL;
121 g_free(tl->thumb_uri);
122 tl->thumb_uri = NULL;
123 tl->local_uri = NULL;
125 tl->thumb_path_local = FALSE;
127 tl->cache_hit = FALSE;
129 tl->source_mtime = 0;
136 static gchar *thumb_std_cache_path(const gchar *path, const gchar *uri, gboolean local,
137 const gchar *cache_subfolder)
139 gchar *result = NULL;
144 if (!path || !uri || !cache_subfolder) return NULL;
146 md5_get_digest((guchar *)uri, strlen(uri), digest);
147 md5_text = md5_digest_to_text(digest);
149 if (!md5_text) return NULL;
151 name = g_strconcat(md5_text, THUMB_NAME_EXTENSION, NULL);
155 gchar *base = remove_level_from_path(path);
157 result = g_build_filename(base, THUMB_FOLDER_LOCAL, cache_subfolder, name, NULL);
162 result = g_build_filename(get_thumbnails_standard_cache_dir(),
163 cache_subfolder, name, NULL);
172 static gchar *thumb_loader_std_cache_path(ThumbLoaderStd *tl, gboolean local, GdkPixbuf *pixbuf, gboolean fail)
177 if (!tl->fd || !tl->thumb_uri) return NULL;
181 w = gdk_pixbuf_get_width(pixbuf);
182 h = gdk_pixbuf_get_height(pixbuf);
186 w = tl->requested_width;
187 h = tl->requested_height;
192 folder = THUMB_FOLDER_FAIL;
194 else if (w > THUMB_SIZE_NORMAL || h > THUMB_SIZE_NORMAL)
196 folder = THUMB_FOLDER_LARGE;
200 folder = THUMB_FOLDER_NORMAL;
203 return thumb_std_cache_path(tl->fd->path,
204 (local) ? tl->local_uri : tl->thumb_uri,
208 static gboolean thumb_loader_std_fail_check(ThumbLoaderStd *tl)
211 gboolean result = FALSE;
213 fail_path = thumb_loader_std_cache_path(tl, FALSE, NULL, TRUE);
214 if (isfile(fail_path))
226 pathl = path_from_utf8(fail_path);
227 pixbuf = gdk_pixbuf_new_from_file(pathl, NULL);
233 const gchar *mtime_str;
235 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
236 if (mtime_str && strtol(mtime_str, NULL, 10) == tl->source_mtime)
239 DEBUG_1("thumb fail valid: %s", tl->fd->path);
240 DEBUG_1(" thumb: %s", fail_path);
243 g_object_unref(G_OBJECT(pixbuf));
246 if (!result) unlink_file(fail_path);
253 static gboolean thumb_loader_std_validate(ThumbLoaderStd *tl, GdkPixbuf *pixbuf)
255 const gchar *valid_uri;
257 const gchar *mtime_str;
261 if (!pixbuf) return FALSE;
263 w = gdk_pixbuf_get_width(pixbuf);
264 h = gdk_pixbuf_get_height(pixbuf);
266 if (w != THUMB_SIZE_NORMAL && w != THUMB_SIZE_LARGE &&
267 h != THUMB_SIZE_NORMAL && h != THUMB_SIZE_LARGE) return FALSE;
269 valid_uri = (tl->thumb_path_local) ? tl->local_uri : tl->thumb_uri;
271 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
272 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
274 if (!mtime_str || !uri || !valid_uri) return FALSE;
275 if (strcmp(uri, valid_uri) != 0) return FALSE;
277 mtime = strtol(mtime_str, NULL, 10);
278 if (tl->source_mtime != mtime) return FALSE;
283 static void thumb_loader_std_save(ThumbLoaderStd *tl, GdkPixbuf *pixbuf)
289 if (!tl->cache_enable || tl->cache_hit) return;
290 if (tl->thumb_path) return;
294 /* local failures are not stored */
295 if (tl->cache_local) return;
297 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 1, 1);
302 g_object_ref(G_OBJECT(pixbuf));
306 tl->thumb_path = thumb_loader_std_cache_path(tl, tl->cache_local, pixbuf, fail);
309 g_object_unref(G_OBJECT(pixbuf));
312 tl->thumb_path_local = tl->cache_local;
314 /* create thumbnail dir if needed */
315 base_path = remove_level_from_path(tl->thumb_path);
318 if (!isdir(base_path))
323 source_base = remove_level_from_path(tl->fd->path);
324 if (stat_utf8(source_base, &st))
326 recursive_mkdir_if_not_exists(base_path, st.st_mode);
333 recursive_mkdir_if_not_exists(base_path, THUMB_PERMS_FOLDER);
337 DEBUG_1("thumb saving: %s", tl->fd->path);
338 DEBUG_1(" saved: %s", tl->thumb_path);
340 /* save thumb, using a temp file then renaming into place */
341 tmp_path = unique_filename(tl->thumb_path, ".tmp", "_", 2);
344 const gchar *mark_uri;
350 mark_uri = (tl->cache_local) ? tl->local_uri :tl->thumb_uri;
352 mark_app = g_strdup_printf("%s %s", GQ_APPNAME, VERSION);
353 mark_mtime = g_strdup_printf("%llu", (unsigned long long)tl->source_mtime);
354 pathl = path_from_utf8(tmp_path);
355 success = gdk_pixbuf_save(pixbuf, pathl, "png", NULL,
356 THUMB_MARKER_URI, mark_uri,
357 THUMB_MARKER_MTIME, mark_mtime,
358 THUMB_MARKER_APP, mark_app,
362 chmod(pathl, (tl->cache_local) ? tl->source_mode : THUMB_PERMS_THUMB);
363 success = rename_file(tmp_path, tl->thumb_path);
374 DEBUG_1("thumb save failed: %s", tl->fd->path);
375 DEBUG_1(" thumb: %s", tl->thumb_path);
380 g_object_unref(G_OBJECT(pixbuf));
383 static void thumb_loader_std_set_fallback(ThumbLoaderStd *tl)
385 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
386 tl->fd->thumb_pixbuf = pixbuf_fallback(tl->fd, tl->requested_width, tl->requested_height);
390 void thumb_loader_std_calibrate_pixbuf(FileData *fd, GdkPixbuf *pixbuf) {
392 ExifData *exif = NULL;
393 gint color_profile_from_image = COLOR_PROFILE_NONE;
394 ColorManProfileType input_type = COLOR_PROFILE_MEM;
395 ColorManProfileType screen_type;
396 const gchar *input_file = NULL;
397 guchar *profile = NULL;
401 if (!options->thumbnails.use_color_management)
406 sw = gdk_pixbuf_get_width(pixbuf);
407 sh = gdk_pixbuf_get_height(pixbuf);
409 exif = exif_read_fd(fd);
413 profile = exif_get_color_profile(exif, &profile_len);
416 DEBUG_1("Found embedded color profile");
417 color_profile_from_image = COLOR_PROFILE_MEM;
421 gchar *interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
425 /* Exif 2.21 specification */
426 if (!strcmp(interop_index, "R98"))
428 color_profile_from_image = COLOR_PROFILE_SRGB;
429 DEBUG_1("Found EXIF 2.21 ColorSpace of sRGB");
431 else if (!strcmp(interop_index, "R03"))
433 color_profile_from_image = COLOR_PROFILE_ADOBERGB;
434 DEBUG_1("Found EXIF 2.21 ColorSpace of AdobeRGB");
436 g_free(interop_index);
442 /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
443 if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
446 color_profile_from_image = COLOR_PROFILE_SRGB;
447 DEBUG_1("Found EXIF 2.2 ColorSpace of sRGB");
451 /* non-standard way of specifying AdobeRGB (used by some software) */
452 color_profile_from_image = COLOR_PROFILE_ADOBERGB;
453 DEBUG_1("Found EXIF 2.2 ColorSpace of AdobeRGB");
458 if(color_profile_from_image != COLOR_PROFILE_NONE)
460 // transform image, we always use sRGB as target for thumbnails
461 screen_type = COLOR_PROFILE_SRGB;
465 cm = color_man_new_embedded(NULL, pixbuf,
466 profile, profile_len,
467 screen_type, NULL, NULL, 0);
472 cm = color_man_new(NULL, pixbuf,
473 input_type, input_file,
474 screen_type, NULL, NULL, 0);
478 color_man_correct_region(cm, cm->pixbuf, 0, 0, sw, sh);
483 exif_free_fd(fd, exif);
487 static GdkPixbuf *thumb_loader_std_finish(ThumbLoaderStd *tl, GdkPixbuf *pixbuf, gboolean shrunk)
489 GdkPixbuf *pixbuf_thumb = NULL;
491 GdkPixbuf *rotated = NULL;
495 if (!tl->cache_hit && options->image.exif_rotate_enable)
497 if (!tl->fd->exif_orientation)
499 if (g_strcmp0(tl->fd->format_name, "heif") != 0)
501 tl->fd->exif_orientation = metadata_read_int(tl->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
505 tl->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
509 if (tl->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
511 rotated = pixbuf_apply_orientation(pixbuf, tl->fd->exif_orientation);
516 sw = gdk_pixbuf_get_width(pixbuf);
517 sh = gdk_pixbuf_get_height(pixbuf);
519 if (tl->cache_enable)
523 gint cache_w, cache_h;
525 if (tl->requested_width > THUMB_SIZE_NORMAL || tl->requested_height > THUMB_SIZE_NORMAL)
527 cache_w = cache_h = THUMB_SIZE_LARGE;
531 cache_w = cache_h = THUMB_SIZE_NORMAL;
534 if (sw > cache_w || sh > cache_h || shrunk)
536 gint thumb_w, thumb_h;
539 if (pixbuf_scale_aspect(cache_w, cache_h, sw, sh,
542 pixbuf_thumb = gdk_pixbuf_scale_simple(pixbuf, thumb_w, thumb_h,
543 (GdkInterpType)options->thumbnails.quality);
547 pixbuf_thumb = pixbuf;
548 g_object_ref(G_OBJECT(pixbuf_thumb));
551 /* do not save the thumbnail if the source file has changed meanwhile -
552 the thumbnail is most probably broken */
553 if (stat_utf8(tl->fd->path, &st) &&
554 tl->source_mtime == st.st_mtime &&
555 tl->source_size == st.st_size)
557 thumb_loader_std_save(tl, pixbuf_thumb);
561 else if (tl->cache_hit &&
562 tl->cache_local && !tl->thumb_path_local)
564 /* A local cache save was requested, but a valid thumb is in $HOME,
565 * so specifically save as a local thumbnail.
567 g_free(tl->thumb_path);
568 tl->thumb_path = NULL;
570 tl->cache_hit = FALSE;
572 DEBUG_1("thumb copied: %s", tl->fd->path);
574 thumb_loader_std_save(tl, pixbuf);
578 if (sw <= tl->requested_width && sh <= tl->requested_height)
581 g_object_ref(result);
585 gint thumb_w, thumb_h;
589 pixbuf = pixbuf_thumb;
590 sw = gdk_pixbuf_get_width(pixbuf);
591 sh = gdk_pixbuf_get_height(pixbuf);
594 if (pixbuf_scale_aspect(tl->requested_width, tl->requested_height, sw, sh,
597 result = gdk_pixbuf_scale_simple(pixbuf, thumb_w, thumb_h,
598 (GdkInterpType)options->thumbnails.quality);
603 g_object_ref(result);
607 // apply color correction, if required
608 thumb_loader_std_calibrate_pixbuf(tl->fd, result);
610 if (pixbuf_thumb) g_object_unref(pixbuf_thumb);
611 if (rotated) g_object_unref(rotated);
616 static gboolean thumb_loader_std_next_source(ThumbLoaderStd *tl, gboolean remove_broken)
618 image_loader_free(tl->il);
623 if (!tl->thumb_path_local && remove_broken)
625 DEBUG_1("thumb broken, unlinking: %s", tl->thumb_path);
626 unlink_file(tl->thumb_path);
629 g_free(tl->thumb_path);
630 tl->thumb_path = NULL;
632 if (!tl->thumb_path_local)
634 tl->thumb_path = thumb_loader_std_cache_path(tl, TRUE, NULL, FALSE);
635 if (isfile(tl->thumb_path))
637 FileData *fd = file_data_new_no_grouping(tl->thumb_path);
638 if (thumb_loader_std_setup(tl, fd))
641 tl->thumb_path_local = TRUE;
647 g_free(tl->thumb_path);
648 tl->thumb_path = NULL;
651 if (thumb_loader_std_setup(tl, tl->fd)) return TRUE;
654 thumb_loader_std_save(tl, NULL);
658 static void thumb_loader_std_done_cb(ImageLoader *il, gpointer data)
660 ThumbLoaderStd *tl = data;
663 DEBUG_1("thumb image done: %s", tl->fd ? tl->fd->path : "???");
664 DEBUG_1(" from: %s", image_loader_get_fd(tl->il)->path);
666 pixbuf = image_loader_get_pixbuf(tl->il);
669 DEBUG_1("...but no pixbuf");
670 thumb_loader_std_error_cb(il, data);
674 if (tl->thumb_path && !thumb_loader_std_validate(tl, pixbuf))
676 if (thumb_loader_std_next_source(tl, TRUE)) return;
678 if (tl->func_error) tl->func_error(tl, tl->data);
682 tl->cache_hit = (tl->thumb_path != NULL);
686 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
687 tl->fd->thumb_pixbuf = thumb_loader_std_finish(tl, pixbuf, image_loader_get_shrunk(il));
690 if (tl->func_done) tl->func_done(tl, tl->data);
693 static void thumb_loader_std_error_cb(ImageLoader *il, gpointer data)
695 ThumbLoaderStd *tl = data;
697 /* if at least some of the image is available, go to done */
698 if (image_loader_get_pixbuf(tl->il) != NULL)
700 thumb_loader_std_done_cb(il, data);
704 DEBUG_1("thumb image error: %s", tl->fd->path);
705 DEBUG_1(" from: %s", image_loader_get_fd(tl->il)->path);
707 if (thumb_loader_std_next_source(tl, TRUE)) return;
709 thumb_loader_std_set_fallback(tl);
711 if (tl->func_error) tl->func_error(tl, tl->data);
714 static void thumb_loader_std_progress_cb(ImageLoader *il, gdouble percent, gpointer data)
716 ThumbLoaderStd *tl = data;
718 tl->progress = (gdouble)percent;
720 if (tl->func_progress) tl->func_progress(tl, tl->data);
723 static gboolean thumb_loader_std_setup(ThumbLoaderStd *tl, FileData *fd)
725 tl->il = image_loader_new(fd);
726 image_loader_set_priority(tl->il, G_PRIORITY_LOW);
728 /* this will speed up jpegs by up to 3x in some cases */
729 if (tl->requested_width <= THUMB_SIZE_NORMAL &&
730 tl->requested_height <= THUMB_SIZE_NORMAL)
732 image_loader_set_requested_size(tl->il, THUMB_SIZE_NORMAL, THUMB_SIZE_NORMAL);
736 image_loader_set_requested_size(tl->il, THUMB_SIZE_LARGE, THUMB_SIZE_LARGE);
739 g_signal_connect(G_OBJECT(tl->il), "error", (GCallback)thumb_loader_std_error_cb, tl);
740 if (tl->func_progress)
742 g_signal_connect(G_OBJECT(tl->il), "percent", (GCallback)thumb_loader_std_progress_cb, tl);
744 g_signal_connect(G_OBJECT(tl->il), "done", (GCallback)thumb_loader_std_done_cb, tl);
746 if (image_loader_start(tl->il))
751 image_loader_free(tl->il);
757 * Note: Currently local_cache only specifies where to save a _new_ thumb, if
758 * a valid existing thumb is found anywhere the local thumb will not be created.
760 void thumb_loader_std_set_cache(ThumbLoaderStd *tl, gboolean enable_cache, gboolean local, gboolean retry_failed)
764 tl->cache_enable = enable_cache;
765 tl->cache_local = local;
766 tl->cache_retry = retry_failed;
769 gboolean thumb_loader_std_start(ThumbLoaderStd *tl, FileData *fd)
771 static gchar *thumb_cache = NULL;
774 if (!tl || !fd) return FALSE;
776 thumb_loader_std_reset(tl);
779 tl->fd = file_data_ref(fd);
780 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))
782 thumb_loader_std_set_fallback(tl);
785 tl->source_mtime = st.st_mtime;
786 tl->source_size = st.st_size;
787 tl->source_mode = st.st_mode;
791 thumb_cache = g_strdup(get_thumbnails_standard_cache_dir());
794 if (strncmp(tl->fd->path, thumb_cache, strlen(thumb_cache)) != 0)
798 pathl = path_from_utf8(fd->path);
799 tl->thumb_uri = g_filename_to_uri(pathl, NULL, NULL);
800 tl->local_uri = filename_from_path(tl->thumb_uri);
804 if (tl->cache_enable)
808 tl->thumb_path = thumb_loader_std_cache_path(tl, FALSE, NULL, FALSE);
809 tl->thumb_path_local = FALSE;
811 found = isfile(tl->thumb_path);
814 FileData *fd = file_data_new_no_grouping(tl->thumb_path);
815 if (thumb_loader_std_setup(tl, fd))
823 if (thumb_loader_std_fail_check(tl) ||
824 !thumb_loader_std_next_source(tl, found))
826 thumb_loader_std_set_fallback(tl);
832 if (!thumb_loader_std_setup(tl, tl->fd))
834 thumb_loader_std_save(tl, NULL);
835 thumb_loader_std_set_fallback(tl);
842 void thumb_loader_std_free(ThumbLoaderStd *tl)
846 thumb_loader_std_reset(tl);
850 GdkPixbuf *thumb_loader_std_get_pixbuf(ThumbLoaderStd *tl)
854 if (tl && tl->fd && tl->fd->thumb_pixbuf)
856 pixbuf = tl->fd->thumb_pixbuf;
857 g_object_ref(pixbuf);
861 pixbuf = pixbuf_fallback(NULL, tl->requested_width, tl->requested_height);
868 typedef struct _ThumbValidate ThumbValidate;
869 struct _ThumbValidate
875 void (*func_valid)(const gchar *path, gboolean valid, gpointer data);
878 guint idle_id; /* event source id */
881 static void thumb_loader_std_thumb_file_validate_free(ThumbValidate *tv)
883 thumb_loader_std_free(tv->tl);
888 void thumb_loader_std_thumb_file_validate_cancel(ThumbLoaderStd *tl)
898 g_source_remove(tv->idle_id);
902 thumb_loader_std_thumb_file_validate_free(tv);
905 static void thumb_loader_std_thumb_file_validate_finish(ThumbValidate *tv, gboolean valid)
907 if (tv->func_valid) tv->func_valid(tv->path, valid, tv->data);
909 thumb_loader_std_thumb_file_validate_free(tv);
912 static void thumb_loader_std_thumb_file_validate_done_cb(ThumbLoaderStd *tl, gpointer data)
914 ThumbValidate *tv = data;
916 gboolean valid = FALSE;
918 /* get the original thumbnail pixbuf (unrotated, with original options)
919 this is called from image_loader done callback, so tv->tl->il must exist*/
920 pixbuf = image_loader_get_pixbuf(tv->tl->il);
924 const gchar *mtime_str;
926 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
927 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
928 if (uri && mtime_str)
930 if (strncmp(uri, "file:", strlen("file:")) == 0)
935 target = g_filename_from_uri(uri, NULL, NULL);
936 if (stat(target, &st) == 0 &&
937 st.st_mtime == strtol(mtime_str, NULL, 10))
947 DEBUG_1("thumb uri foreign, doing day check: %s", uri);
949 if (stat_utf8(tv->path, &st))
954 if (st.st_atime >= now - (time_t)tv->days * 24 * 60 * 60)
963 DEBUG_1("invalid image found in std cache: %s", tv->path);
967 thumb_loader_std_thumb_file_validate_finish(tv, valid);
970 static void thumb_loader_std_thumb_file_validate_error_cb(ThumbLoaderStd *tl, gpointer data)
972 ThumbValidate *tv = data;
974 thumb_loader_std_thumb_file_validate_finish(tv, FALSE);
977 static gboolean thumb_loader_std_thumb_file_validate_idle_cb(gpointer data)
979 ThumbValidate *tv = data;
982 thumb_loader_std_thumb_file_validate_finish(tv, FALSE);
987 ThumbLoaderStd *thumb_loader_std_thumb_file_validate(const gchar *thumb_path, gint allowed_days,
988 void (*func_valid)(const gchar *path, gboolean valid, gpointer data),
993 tv = g_new0(ThumbValidate, 1);
995 tv->tl = thumb_loader_std_new(THUMB_SIZE_LARGE, THUMB_SIZE_LARGE);
996 thumb_loader_std_set_callbacks(tv->tl,
997 thumb_loader_std_thumb_file_validate_done_cb,
998 thumb_loader_std_thumb_file_validate_error_cb,
1001 thumb_loader_std_reset(tv->tl);
1003 tv->path = g_strdup(thumb_path);
1004 tv->days = allowed_days;
1005 tv->func_valid = func_valid;
1008 FileData *fd = file_data_new_no_grouping(thumb_path);
1009 if (!thumb_loader_std_setup(tv->tl, fd))
1011 tv->idle_id = g_idle_add(thumb_loader_std_thumb_file_validate_idle_cb, tv);
1018 file_data_unref(fd);
1022 static void thumb_std_maint_remove_one(const gchar *source, const gchar *uri, gboolean local,
1023 const gchar *subfolder)
1027 thumb_path = thumb_std_cache_path(source,
1028 (local) ? filename_from_path(uri) : uri,
1030 if (isfile(thumb_path))
1032 DEBUG_1("thumb removing: %s", thumb_path);
1033 unlink_file(thumb_path);
1038 /* this also removes local thumbnails (the source is gone so it makes sense) */
1039 void thumb_std_maint_removed(const gchar *source)
1044 sourcel = path_from_utf8(source);
1045 uri = g_filename_to_uri(sourcel, NULL, NULL);
1048 /* all this to remove a thumbnail? */
1050 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_NORMAL);
1051 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_LARGE);
1052 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_FAIL);
1053 thumb_std_maint_remove_one(source, uri, TRUE, THUMB_FOLDER_NORMAL);
1054 thumb_std_maint_remove_one(source, uri, TRUE, THUMB_FOLDER_LARGE);
1059 typedef struct _TMaintMove TMaintMove;
1072 static GList *thumb_std_maint_move_list = NULL;
1073 static GList *thumb_std_maint_move_tail = NULL;
1076 static void thumb_std_maint_move_step(TMaintMove *tm);
1077 static gboolean thumb_std_maint_move_idle(gpointer data);
1080 static void thumb_std_maint_move_validate_cb(const gchar *path, gboolean valid, gpointer data)
1082 TMaintMove *tm = data;
1085 /* get the original thumbnail pixbuf (unrotated, with original options)
1086 this is called from image_loader done callback, so tm->tl->il must exist*/
1087 pixbuf = image_loader_get_pixbuf(tm->tl->il);
1091 const gchar *mtime_str;
1093 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
1094 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
1096 if (uri && mtime_str && strcmp(uri, tm->source_uri) == 0)
1100 /* The validation utility abuses ThumbLoader, and we
1101 * abuse the utility just to load the thumbnail,
1102 * but the loader needs to look sane for the save to complete.
1105 tm->tl->cache_enable = TRUE;
1106 tm->tl->cache_hit = FALSE;
1107 tm->tl->cache_local = FALSE;
1108 file_data_unref(tm->tl->fd);
1109 tm->tl->fd = file_data_new_group(tm->dest);
1110 tm->tl->source_mtime = strtol(mtime_str, NULL, 10);
1112 pathl = path_from_utf8(tm->tl->fd->path);
1113 g_free(tm->tl->thumb_uri);
1114 tm->tl->thumb_uri = g_filename_to_uri(pathl, NULL, NULL);
1115 tm->tl->local_uri = filename_from_path(tm->tl->thumb_uri);
1118 g_free(tm->tl->thumb_path);
1119 tm->tl->thumb_path = NULL;
1120 tm->tl->thumb_path_local = FALSE;
1122 DEBUG_1("thumb move attempting save:");
1124 thumb_loader_std_save(tm->tl, pixbuf);
1127 DEBUG_1("thumb move unlink: %s", tm->thumb_path);
1128 unlink_file(tm->thumb_path);
1131 thumb_std_maint_move_step(tm);
1134 static void thumb_std_maint_move_step(TMaintMove *tm)
1136 const gchar *folder;
1143 g_free(tm->source_uri);
1144 g_free(tm->thumb_path);
1147 if (thumb_std_maint_move_list)
1149 g_idle_add_full(G_PRIORITY_LOW, thumb_std_maint_move_idle, NULL, NULL);
1155 folder = (tm->pass == 1) ? THUMB_FOLDER_NORMAL : THUMB_FOLDER_LARGE;
1157 g_free(tm->thumb_path);
1158 tm->thumb_path = thumb_std_cache_path(tm->source, tm->source_uri, FALSE, folder);
1159 tm->tl = thumb_loader_std_thumb_file_validate(tm->thumb_path, 0,
1160 thumb_std_maint_move_validate_cb, tm);
1163 static gboolean thumb_std_maint_move_idle(gpointer data)
1168 if (!thumb_std_maint_move_list) return FALSE;
1170 tm = thumb_std_maint_move_list->data;
1172 thumb_std_maint_move_list = g_list_remove(thumb_std_maint_move_list, tm);
1173 if (!thumb_std_maint_move_list) thumb_std_maint_move_tail = NULL;
1175 pathl = path_from_utf8(tm->source);
1176 tm->source_uri = g_filename_to_uri(pathl, NULL, NULL);
1181 thumb_std_maint_move_step(tm);
1186 /* This will schedule a move of the thumbnail for source image to dest when idle.
1187 * We do this so that file renaming or moving speed is not sacrificed by
1188 * moving the thumbnails at the same time because:
1190 * This cache design requires the tedious task of loading the png thumbnails and saving them.
1192 * The thumbnails are processed when the app is idle. If the app
1193 * exits early well too bad - they can simply be regenerated from scratch.
1195 /** @FIXME This does not manage local thumbnails (fixme ?)
1197 void thumb_std_maint_moved(const gchar *source, const gchar *dest)
1201 tm = g_new0(TMaintMove, 1);
1202 tm->source = g_strdup(source);
1203 tm->dest = g_strdup(dest);
1205 if (!thumb_std_maint_move_list)
1207 g_idle_add_full(G_PRIORITY_LOW, thumb_std_maint_move_idle, NULL, NULL);
1210 if (thumb_std_maint_move_tail)
1212 thumb_std_maint_move_tail = g_list_append(thumb_std_maint_move_tail, tm);
1213 thumb_std_maint_move_tail = thumb_std_maint_move_tail->next;
1217 thumb_std_maint_move_list = g_list_append(thumb_std_maint_move_list, tm);
1218 thumb_std_maint_move_tail = thumb_std_maint_move_list;
1221 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */