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.
22 #include "thumb-standard.h"
27 #include "color-man.h"
31 #include "image-load.h"
35 #include "pixbuf-util.h"
36 #include "ui-fileops.h"
42 * This thumbnail caching implementation attempts to conform
43 * to the Thumbnail Managing Standard proposed on freedesktop.org
44 * The standard is documented here: \n
45 * https://www.freedesktop.org/wiki/Specifications/thumbnails/ \n
47 * This code attempts to conform to version 0.7.0 of the standard.
50 * > Validation of the thumb's embedded uri is a simple strcmp between our
51 * > version of the escaped uri and the thumb's escaped uri. But not all uri
52 * > escape functions escape the same set of chars, comparing the unescaped
53 * > versions may be more accurate. \n
54 * > Only Thumb::URI and Thumb::MTime are stored in a thumb at this time.
55 * Storing the Size, Width, Height should probably be implemented.
60 THUMB_SIZE_NORMAL = 128,
61 THUMB_SIZE_LARGE = 256
64 #define THUMB_MARKER_URI "tEXt::Thumb::URI"
65 #define THUMB_MARKER_MTIME "tEXt::Thumb::MTime"
66 #define THUMB_MARKER_SIZE "tEXt::Thumb::Size"
67 #define THUMB_MARKER_WIDTH "tEXt::Thumb::Image::Width"
68 #define THUMB_MARKER_HEIGHT "tEXt::Thumb::Image::Height"
69 #define THUMB_MARKER_APP "tEXt::Software"
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 ThumbLoaderStd::Func func_done,
98 ThumbLoaderStd::Func func_error,
99 ThumbLoaderStd::Func 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 = nullptr;
121 g_free(tl->thumb_uri);
122 tl->thumb_uri = nullptr;
123 tl->local_uri = nullptr;
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 = nullptr;
143 if (!path || !uri || !cache_subfolder) return nullptr;
145 md5_text = md5_get_string(reinterpret_cast<const guchar *>(uri), strlen(uri));
147 if (!md5_text) return nullptr;
149 name = g_strconcat(md5_text, THUMB_NAME_EXTENSION, NULL);
153 gchar *base = remove_level_from_path(path);
155 result = g_build_filename(base, THUMB_FOLDER_LOCAL, cache_subfolder, name, NULL);
160 result = g_build_filename(get_thumbnails_standard_cache_dir(),
161 cache_subfolder, name, NULL);
170 static gchar *thumb_loader_std_cache_path(ThumbLoaderStd *tl, gboolean local, GdkPixbuf *pixbuf, gboolean fail)
176 if (!tl->fd || !tl->thumb_uri) return nullptr;
180 w = gdk_pixbuf_get_width(pixbuf);
181 h = gdk_pixbuf_get_height(pixbuf);
185 w = tl->requested_width;
186 h = tl->requested_height;
191 folder = THUMB_FOLDER_FAIL;
193 else if (w > THUMB_SIZE_NORMAL || h > THUMB_SIZE_NORMAL)
195 folder = THUMB_FOLDER_LARGE;
199 folder = THUMB_FOLDER_NORMAL;
202 return thumb_std_cache_path(tl->fd->path,
203 (local) ? tl->local_uri : tl->thumb_uri,
207 static gboolean thumb_loader_std_fail_check(ThumbLoaderStd *tl)
210 gboolean result = FALSE;
212 fail_path = thumb_loader_std_cache_path(tl, FALSE, nullptr, TRUE);
213 if (isfile(fail_path))
225 pathl = path_from_utf8(fail_path);
226 pixbuf = gdk_pixbuf_new_from_file(pathl, nullptr);
232 const gchar *mtime_str;
234 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
235 if (mtime_str && strtol(mtime_str, nullptr, 10) == tl->source_mtime)
238 DEBUG_1("thumb fail valid: %s", tl->fd->path);
239 DEBUG_1(" thumb: %s", fail_path);
242 g_object_unref(G_OBJECT(pixbuf));
245 if (!result) unlink_file(fail_path);
252 static gboolean thumb_loader_std_validate(ThumbLoaderStd *tl, GdkPixbuf *pixbuf)
254 const gchar *valid_uri;
256 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, nullptr, 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, S_IRWXU);
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", static_cast<unsigned long long>(tl->source_mtime));
354 pathl = path_from_utf8(tmp_path);
355 success = gdk_pixbuf_save(pixbuf, pathl, "png", nullptr,
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 : S_IRUSR & S_IWUSR);
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) {
391 ColorMan *cm = nullptr;
392 ExifData *exif = nullptr;
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 = nullptr;
397 guchar *profile = nullptr;
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 if (g_strcmp0(fd->format_name, "heif") == 0)
416 profile = heif_color_profile(fd, &profile_len);
421 profile = exif_get_color_profile(exif, &profile_len);
426 DEBUG_1("Found embedded color profile");
427 color_profile_from_image = COLOR_PROFILE_MEM;
431 gchar *interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
435 /* Exif 2.21 specification */
436 if (!strcmp(interop_index, "R98"))
438 color_profile_from_image = COLOR_PROFILE_SRGB;
439 DEBUG_1("Found EXIF 2.21 ColorSpace of sRGB");
441 else if (!strcmp(interop_index, "R03"))
443 color_profile_from_image = COLOR_PROFILE_ADOBERGB;
444 DEBUG_1("Found EXIF 2.21 ColorSpace of AdobeRGB");
446 g_free(interop_index);
452 /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
453 if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
456 color_profile_from_image = COLOR_PROFILE_SRGB;
457 DEBUG_1("Found EXIF 2.2 ColorSpace of sRGB");
461 /* non-standard way of specifying AdobeRGB (used by some software) */
462 color_profile_from_image = COLOR_PROFILE_ADOBERGB;
463 DEBUG_1("Found EXIF 2.2 ColorSpace of AdobeRGB");
468 if(color_profile_from_image != COLOR_PROFILE_NONE)
470 // transform image, we always use sRGB as target for thumbnails
471 screen_type = COLOR_PROFILE_SRGB;
475 cm = color_man_new_embedded(nullptr, pixbuf,
476 profile, profile_len,
477 screen_type, nullptr, nullptr, 0);
482 cm = color_man_new(nullptr, pixbuf,
483 input_type, input_file,
484 screen_type, nullptr, nullptr, 0);
488 color_man_correct_region(cm, cm->pixbuf, 0, 0, sw, sh);
493 exif_free_fd(fd, exif);
497 static GdkPixbuf *thumb_loader_std_finish(ThumbLoaderStd *tl, GdkPixbuf *pixbuf, gboolean shrunk)
499 GdkPixbuf *pixbuf_thumb = nullptr;
501 GdkPixbuf *rotated = nullptr;
506 if (!tl->cache_hit && options->image.exif_rotate_enable)
508 if (!tl->fd->exif_orientation)
510 if (g_strcmp0(tl->fd->format_name, "heif") != 0)
512 tl->fd->exif_orientation = metadata_read_int(tl->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
516 tl->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
520 if (tl->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
522 rotated = pixbuf_apply_orientation(pixbuf, tl->fd->exif_orientation);
527 sw = gdk_pixbuf_get_width(pixbuf);
528 sh = gdk_pixbuf_get_height(pixbuf);
530 if (tl->cache_enable)
537 if (tl->requested_width > THUMB_SIZE_NORMAL || tl->requested_height > THUMB_SIZE_NORMAL)
539 cache_w = cache_h = THUMB_SIZE_LARGE;
543 cache_w = cache_h = THUMB_SIZE_NORMAL;
546 if (sw > cache_w || sh > cache_h || shrunk)
552 if (pixbuf_scale_aspect(cache_w, cache_h, sw, sh,
555 pixbuf_thumb = gdk_pixbuf_scale_simple(pixbuf, thumb_w, thumb_h,
556 static_cast<GdkInterpType>(options->thumbnails.quality));
560 pixbuf_thumb = pixbuf;
561 g_object_ref(G_OBJECT(pixbuf_thumb));
564 /* do not save the thumbnail if the source file has changed meanwhile -
565 the thumbnail is most probably broken */
566 if (stat_utf8(tl->fd->path, &st) &&
567 tl->source_mtime == st.st_mtime &&
568 tl->source_size == st.st_size)
570 thumb_loader_std_save(tl, pixbuf_thumb);
574 else if (tl->cache_hit &&
575 tl->cache_local && !tl->thumb_path_local)
577 /* A local cache save was requested, but a valid thumb is in $HOME,
578 * so specifically save as a local thumbnail.
580 g_free(tl->thumb_path);
581 tl->thumb_path = nullptr;
583 tl->cache_hit = FALSE;
585 DEBUG_1("thumb copied: %s", tl->fd->path);
587 thumb_loader_std_save(tl, pixbuf);
591 if (sw <= tl->requested_width && sh <= tl->requested_height)
594 g_object_ref(result);
603 pixbuf = pixbuf_thumb;
604 sw = gdk_pixbuf_get_width(pixbuf);
605 sh = gdk_pixbuf_get_height(pixbuf);
608 if (pixbuf_scale_aspect(tl->requested_width, tl->requested_height, sw, sh,
611 result = gdk_pixbuf_scale_simple(pixbuf, thumb_w, thumb_h,
612 static_cast<GdkInterpType>(options->thumbnails.quality));
617 g_object_ref(result);
621 // apply color correction, if required
622 thumb_loader_std_calibrate_pixbuf(tl->fd, result);
624 if (pixbuf_thumb) g_object_unref(pixbuf_thumb);
625 if (rotated) g_object_unref(rotated);
630 static gboolean thumb_loader_std_next_source(ThumbLoaderStd *tl, gboolean remove_broken)
632 image_loader_free(tl->il);
637 if (!tl->thumb_path_local && remove_broken)
639 DEBUG_1("thumb broken, unlinking: %s", tl->thumb_path);
640 unlink_file(tl->thumb_path);
643 g_free(tl->thumb_path);
644 tl->thumb_path = nullptr;
646 if (!tl->thumb_path_local)
648 tl->thumb_path = thumb_loader_std_cache_path(tl, TRUE, nullptr, FALSE);
649 if (isfile(tl->thumb_path))
651 FileData *fd = file_data_new_no_grouping(tl->thumb_path);
652 if (thumb_loader_std_setup(tl, fd))
655 tl->thumb_path_local = TRUE;
661 g_free(tl->thumb_path);
662 tl->thumb_path = nullptr;
665 if (thumb_loader_std_setup(tl, tl->fd)) return TRUE;
668 thumb_loader_std_save(tl, nullptr);
672 static void thumb_loader_std_done_cb(ImageLoader *il, gpointer data)
674 auto tl = static_cast<ThumbLoaderStd *>(data);
677 DEBUG_1("thumb image done: %s", tl->fd ? tl->fd->path : "???");
678 DEBUG_1(" from: %s", image_loader_get_fd(tl->il)->path);
680 pixbuf = image_loader_get_pixbuf(tl->il);
683 DEBUG_1("...but no pixbuf");
684 thumb_loader_std_error_cb(il, data);
688 if (tl->thumb_path && !thumb_loader_std_validate(tl, pixbuf))
690 if (thumb_loader_std_next_source(tl, TRUE)) return;
692 if (tl->func_error) tl->func_error(tl, tl->data);
696 tl->cache_hit = (tl->thumb_path != nullptr);
700 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
701 tl->fd->thumb_pixbuf = thumb_loader_std_finish(tl, pixbuf, image_loader_get_shrunk(il));
704 if (tl->func_done) tl->func_done(tl, tl->data);
707 static void thumb_loader_std_error_cb(ImageLoader *il, gpointer data)
709 auto tl = static_cast<ThumbLoaderStd *>(data);
711 /* if at least some of the image is available, go to done */
712 if (image_loader_get_pixbuf(tl->il) != nullptr)
714 thumb_loader_std_done_cb(il, data);
718 DEBUG_1("thumb image error: %s", tl->fd->path);
719 DEBUG_1(" from: %s", image_loader_get_fd(tl->il)->path);
721 if (thumb_loader_std_next_source(tl, TRUE)) return;
723 thumb_loader_std_set_fallback(tl);
725 if (tl->func_error) tl->func_error(tl, tl->data);
728 static void thumb_loader_std_progress_cb(ImageLoader *, gdouble percent, gpointer data)
730 auto tl = static_cast<ThumbLoaderStd *>(data);
732 tl->progress = percent;
734 if (tl->func_progress) tl->func_progress(tl, tl->data);
737 static gboolean thumb_loader_std_setup(ThumbLoaderStd *tl, FileData *fd)
739 tl->il = image_loader_new(fd);
740 image_loader_set_priority(tl->il, G_PRIORITY_LOW);
742 /* this will speed up jpegs by up to 3x in some cases */
743 if (tl->requested_width <= THUMB_SIZE_NORMAL &&
744 tl->requested_height <= THUMB_SIZE_NORMAL)
746 image_loader_set_requested_size(tl->il, THUMB_SIZE_NORMAL, THUMB_SIZE_NORMAL);
750 image_loader_set_requested_size(tl->il, THUMB_SIZE_LARGE, THUMB_SIZE_LARGE);
753 g_signal_connect(G_OBJECT(tl->il), "error", (GCallback)thumb_loader_std_error_cb, tl);
754 if (tl->func_progress)
756 g_signal_connect(G_OBJECT(tl->il), "percent", (GCallback)thumb_loader_std_progress_cb, tl);
758 g_signal_connect(G_OBJECT(tl->il), "done", (GCallback)thumb_loader_std_done_cb, tl);
760 if (image_loader_start(tl->il))
765 image_loader_free(tl->il);
771 * Note: Currently local_cache only specifies where to save a _new_ thumb, if
772 * a valid existing thumb is found anywhere the local thumb will not be created.
774 void thumb_loader_std_set_cache(ThumbLoaderStd *tl, gboolean enable_cache, gboolean local, gboolean retry_failed)
778 tl->cache_enable = enable_cache;
779 tl->cache_local = local;
780 tl->cache_retry = retry_failed;
783 gboolean thumb_loader_std_start(ThumbLoaderStd *tl, FileData *fd)
785 static gchar *thumb_cache = nullptr;
788 if (!tl || !fd) return FALSE;
790 thumb_loader_std_reset(tl);
793 tl->fd = file_data_ref(fd);
794 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))
796 thumb_loader_std_set_fallback(tl);
799 tl->source_mtime = st.st_mtime;
800 tl->source_size = st.st_size;
801 tl->source_mode = st.st_mode;
805 thumb_cache = g_strdup(get_thumbnails_standard_cache_dir());
808 if (strncmp(tl->fd->path, thumb_cache, strlen(thumb_cache)) != 0)
812 pathl = path_from_utf8(fd->path);
813 tl->thumb_uri = g_filename_to_uri(pathl, nullptr, nullptr);
814 tl->local_uri = filename_from_path(tl->thumb_uri);
818 if (tl->cache_enable)
822 tl->thumb_path = thumb_loader_std_cache_path(tl, FALSE, nullptr, FALSE);
823 tl->thumb_path_local = FALSE;
825 found = isfile(tl->thumb_path);
828 FileData *fd = file_data_new_no_grouping(tl->thumb_path);
829 if (thumb_loader_std_setup(tl, fd))
837 if (thumb_loader_std_fail_check(tl) ||
838 !thumb_loader_std_next_source(tl, found))
840 thumb_loader_std_set_fallback(tl);
846 if (!thumb_loader_std_setup(tl, tl->fd))
848 thumb_loader_std_save(tl, nullptr);
849 thumb_loader_std_set_fallback(tl);
856 void thumb_loader_std_free(ThumbLoaderStd *tl)
860 thumb_loader_std_reset(tl);
864 GdkPixbuf *thumb_loader_std_get_pixbuf(ThumbLoaderStd *tl)
868 if (tl && tl->fd && tl->fd->thumb_pixbuf)
870 pixbuf = tl->fd->thumb_pixbuf;
871 g_object_ref(pixbuf);
875 pixbuf = pixbuf_fallback(nullptr, tl->requested_width, tl->requested_height);
888 void (*func_valid)(const gchar *path, gboolean valid, gpointer data);
891 guint idle_id; /* event source id */
894 static void thumb_loader_std_thumb_file_validate_free(ThumbValidate *tv)
896 thumb_loader_std_free(tv->tl);
901 void thumb_loader_std_thumb_file_validate_cancel(ThumbLoaderStd *tl)
907 tv = static_cast<ThumbValidate *>(tl->data);
911 g_source_remove(tv->idle_id);
915 thumb_loader_std_thumb_file_validate_free(tv);
918 static void thumb_loader_std_thumb_file_validate_finish(ThumbValidate *tv, gboolean valid)
920 if (tv->func_valid) tv->func_valid(tv->path, valid, tv->data);
922 thumb_loader_std_thumb_file_validate_free(tv);
925 static void thumb_loader_std_thumb_file_validate_done_cb(ThumbLoaderStd *, gpointer data)
927 auto tv = static_cast<ThumbValidate *>(data);
929 gboolean valid = FALSE;
931 /* get the original thumbnail pixbuf (unrotated, with original options)
932 this is called from image_loader done callback, so tv->tl->il must exist*/
933 pixbuf = image_loader_get_pixbuf(tv->tl->il);
937 const gchar *mtime_str;
939 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
940 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
941 if (uri && mtime_str)
943 if (strncmp(uri, "file:", strlen("file:")) == 0)
948 target = g_filename_from_uri(uri, nullptr, nullptr);
949 if (stat(target, &st) == 0 &&
950 st.st_mtime == strtol(mtime_str, nullptr, 10))
960 DEBUG_1("thumb uri foreign, doing day check: %s", uri);
962 if (stat_utf8(tv->path, &st))
967 if (st.st_atime >= now - static_cast<time_t>(tv->days) * 24 * 60 * 60)
976 DEBUG_1("invalid image found in std cache: %s", tv->path);
980 thumb_loader_std_thumb_file_validate_finish(tv, valid);
983 static void thumb_loader_std_thumb_file_validate_error_cb(ThumbLoaderStd *, gpointer data)
985 auto tv = static_cast<ThumbValidate *>(data);
987 thumb_loader_std_thumb_file_validate_finish(tv, FALSE);
990 static gboolean thumb_loader_std_thumb_file_validate_idle_cb(gpointer data)
992 auto tv = static_cast<ThumbValidate *>(data);
995 thumb_loader_std_thumb_file_validate_finish(tv, FALSE);
997 return G_SOURCE_REMOVE;
1000 ThumbLoaderStd *thumb_loader_std_thumb_file_validate(const gchar *thumb_path, gint allowed_days,
1001 void (*func_valid)(const gchar *path, gboolean valid, gpointer data),
1006 tv = g_new0(ThumbValidate, 1);
1008 tv->tl = thumb_loader_std_new(THUMB_SIZE_LARGE, THUMB_SIZE_LARGE);
1009 thumb_loader_std_set_callbacks(tv->tl,
1010 thumb_loader_std_thumb_file_validate_done_cb,
1011 thumb_loader_std_thumb_file_validate_error_cb,
1014 thumb_loader_std_reset(tv->tl);
1016 tv->path = g_strdup(thumb_path);
1017 tv->days = allowed_days;
1018 tv->func_valid = func_valid;
1021 FileData *fd = file_data_new_no_grouping(thumb_path);
1022 if (!thumb_loader_std_setup(tv->tl, fd))
1024 tv->idle_id = g_idle_add(thumb_loader_std_thumb_file_validate_idle_cb, tv);
1031 file_data_unref(fd);
1035 static void thumb_std_maint_remove_one(const gchar *source, const gchar *uri, gboolean local,
1036 const gchar *subfolder)
1040 thumb_path = thumb_std_cache_path(source,
1041 (local) ? filename_from_path(uri) : uri,
1043 if (isfile(thumb_path))
1045 DEBUG_1("thumb removing: %s", thumb_path);
1046 unlink_file(thumb_path);
1051 /* this also removes local thumbnails (the source is gone so it makes sense) */
1052 void thumb_std_maint_removed(const gchar *source)
1057 sourcel = path_from_utf8(source);
1058 uri = g_filename_to_uri(sourcel, nullptr, nullptr);
1061 /* all this to remove a thumbnail? */
1063 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_NORMAL);
1064 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_LARGE);
1065 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_FAIL);
1066 thumb_std_maint_remove_one(source, uri, TRUE, THUMB_FOLDER_NORMAL);
1067 thumb_std_maint_remove_one(source, uri, TRUE, THUMB_FOLDER_LARGE);
1084 static GList *thumb_std_maint_move_list = nullptr;
1085 static GList *thumb_std_maint_move_tail = nullptr;
1088 static void thumb_std_maint_move_step(TMaintMove *tm);
1089 static gboolean thumb_std_maint_move_idle(gpointer data);
1092 static void thumb_std_maint_move_validate_cb(const gchar *, gboolean, gpointer data)
1094 auto tm = static_cast<TMaintMove *>(data);
1097 /* get the original thumbnail pixbuf (unrotated, with original options)
1098 this is called from image_loader done callback, so tm->tl->il must exist*/
1099 pixbuf = image_loader_get_pixbuf(tm->tl->il);
1103 const gchar *mtime_str;
1105 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
1106 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
1108 if (uri && mtime_str && strcmp(uri, tm->source_uri) == 0)
1112 /* The validation utility abuses ThumbLoader, and we
1113 * abuse the utility just to load the thumbnail,
1114 * but the loader needs to look sane for the save to complete.
1117 tm->tl->cache_enable = TRUE;
1118 tm->tl->cache_hit = FALSE;
1119 tm->tl->cache_local = FALSE;
1120 file_data_unref(tm->tl->fd);
1121 tm->tl->fd = file_data_new_group(tm->dest);
1122 tm->tl->source_mtime = strtol(mtime_str, nullptr, 10);
1124 pathl = path_from_utf8(tm->tl->fd->path);
1125 g_free(tm->tl->thumb_uri);
1126 tm->tl->thumb_uri = g_filename_to_uri(pathl, nullptr, nullptr);
1127 tm->tl->local_uri = filename_from_path(tm->tl->thumb_uri);
1130 g_free(tm->tl->thumb_path);
1131 tm->tl->thumb_path = nullptr;
1132 tm->tl->thumb_path_local = FALSE;
1134 DEBUG_1("thumb move attempting save:");
1136 thumb_loader_std_save(tm->tl, pixbuf);
1139 DEBUG_1("thumb move unlink: %s", tm->thumb_path);
1140 unlink_file(tm->thumb_path);
1143 thumb_std_maint_move_step(tm);
1146 static void thumb_std_maint_move_step(TMaintMove *tm)
1148 const gchar *folder;
1155 g_free(tm->source_uri);
1156 g_free(tm->thumb_path);
1159 if (thumb_std_maint_move_list)
1161 g_idle_add_full(G_PRIORITY_LOW, thumb_std_maint_move_idle, nullptr, nullptr);
1167 folder = (tm->pass == 1) ? THUMB_FOLDER_NORMAL : THUMB_FOLDER_LARGE;
1169 g_free(tm->thumb_path);
1170 tm->thumb_path = thumb_std_cache_path(tm->source, tm->source_uri, FALSE, folder);
1171 tm->tl = thumb_loader_std_thumb_file_validate(tm->thumb_path, 0,
1172 thumb_std_maint_move_validate_cb, tm);
1175 static gboolean thumb_std_maint_move_idle(gpointer)
1180 if (!thumb_std_maint_move_list) return G_SOURCE_REMOVE;
1182 tm = static_cast<TMaintMove *>(thumb_std_maint_move_list->data);
1184 thumb_std_maint_move_list = g_list_remove(thumb_std_maint_move_list, tm);
1185 if (!thumb_std_maint_move_list) thumb_std_maint_move_tail = nullptr;
1187 pathl = path_from_utf8(tm->source);
1188 tm->source_uri = g_filename_to_uri(pathl, nullptr, nullptr);
1193 thumb_std_maint_move_step(tm);
1195 return G_SOURCE_REMOVE;
1198 /* This will schedule a move of the thumbnail for source image to dest when idle.
1199 * We do this so that file renaming or moving speed is not sacrificed by
1200 * moving the thumbnails at the same time because:
1202 * This cache design requires the tedious task of loading the png thumbnails and saving them.
1204 * The thumbnails are processed when the app is idle. If the app
1205 * exits early well too bad - they can simply be regenerated from scratch.
1207 /** @FIXME This does not manage local thumbnails (fixme ?)
1209 void thumb_std_maint_moved(const gchar *source, const gchar *dest)
1213 tm = g_new0(TMaintMove, 1);
1214 tm->source = g_strdup(source);
1215 tm->dest = g_strdup(dest);
1217 if (!thumb_std_maint_move_list)
1219 g_idle_add_full(G_PRIORITY_LOW, thumb_std_maint_move_idle, nullptr, nullptr);
1222 if (thumb_std_maint_move_tail)
1224 thumb_std_maint_move_tail = g_list_append(thumb_std_maint_move_tail, tm);
1225 thumb_std_maint_move_tail = thumb_std_maint_move_tail->next;
1229 thumb_std_maint_move_list = g_list_append(thumb_std_maint_move_list, tm);
1230 thumb_std_maint_move_tail = thumb_std_maint_move_list;
1233 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */