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.
57 THUMB_SIZE_NORMAL = 128,
58 THUMB_SIZE_LARGE = 256
61 #define THUMB_MARKER_URI "tEXt::Thumb::URI"
62 #define THUMB_MARKER_MTIME "tEXt::Thumb::MTime"
63 #define THUMB_MARKER_SIZE "tEXt::Thumb::Size"
64 #define THUMB_MARKER_WIDTH "tEXt::Thumb::Image::Width"
65 #define THUMB_MARKER_HEIGHT "tEXt::Thumb::Image::Height"
66 #define THUMB_MARKER_APP "tEXt::Software"
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 ThumbLoaderStd::Func func_done,
95 ThumbLoaderStd::Func func_error,
96 ThumbLoaderStd::Func 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 = nullptr;
118 g_free(tl->thumb_uri);
119 tl->thumb_uri = nullptr;
120 tl->local_uri = nullptr;
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 = nullptr;
140 if (!path || !uri || !cache_subfolder) return nullptr;
142 md5_text = md5_get_string(reinterpret_cast<const guchar *>(uri), strlen(uri));
144 if (!md5_text) return nullptr;
146 name = g_strconcat(md5_text, THUMB_NAME_EXTENSION, NULL);
150 gchar *base = remove_level_from_path(path);
152 result = g_build_filename(base, THUMB_FOLDER_LOCAL, cache_subfolder, name, NULL);
157 result = g_build_filename(get_thumbnails_standard_cache_dir(),
158 cache_subfolder, name, NULL);
167 static gchar *thumb_loader_std_cache_path(ThumbLoaderStd *tl, gboolean local, GdkPixbuf *pixbuf, gboolean fail)
173 if (!tl->fd || !tl->thumb_uri) return nullptr;
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, nullptr, TRUE);
210 if (isfile(fail_path))
222 pathl = path_from_utf8(fail_path);
223 pixbuf = gdk_pixbuf_new_from_file(pathl, nullptr);
229 const gchar *mtime_str;
231 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
232 if (mtime_str && strtol(mtime_str, nullptr, 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;
258 if (!pixbuf) return FALSE;
260 w = gdk_pixbuf_get_width(pixbuf);
261 h = gdk_pixbuf_get_height(pixbuf);
263 if (w != THUMB_SIZE_NORMAL && w != THUMB_SIZE_LARGE &&
264 h != THUMB_SIZE_NORMAL && h != THUMB_SIZE_LARGE) return FALSE;
266 valid_uri = (tl->thumb_path_local) ? tl->local_uri : tl->thumb_uri;
268 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
269 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
271 if (!mtime_str || !uri || !valid_uri) return FALSE;
272 if (strcmp(uri, valid_uri) != 0) return FALSE;
274 mtime = strtol(mtime_str, nullptr, 10);
275 if (tl->source_mtime != mtime) return FALSE;
280 static void thumb_loader_std_save(ThumbLoaderStd *tl, GdkPixbuf *pixbuf)
286 if (!tl->cache_enable || tl->cache_hit) return;
287 if (tl->thumb_path) return;
291 /* local failures are not stored */
292 if (tl->cache_local) return;
294 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 1, 1);
299 g_object_ref(G_OBJECT(pixbuf));
303 tl->thumb_path = thumb_loader_std_cache_path(tl, tl->cache_local, pixbuf, fail);
306 g_object_unref(G_OBJECT(pixbuf));
309 tl->thumb_path_local = tl->cache_local;
311 /* create thumbnail dir if needed */
312 base_path = remove_level_from_path(tl->thumb_path);
315 if (!isdir(base_path))
320 source_base = remove_level_from_path(tl->fd->path);
321 if (stat_utf8(source_base, &st))
323 recursive_mkdir_if_not_exists(base_path, st.st_mode);
330 recursive_mkdir_if_not_exists(base_path, S_IRWXU);
334 DEBUG_1("thumb saving: %s", tl->fd->path);
335 DEBUG_1(" saved: %s", tl->thumb_path);
337 /* save thumb, using a temp file then renaming into place */
338 tmp_path = unique_filename(tl->thumb_path, ".tmp", "_", 2);
341 const gchar *mark_uri;
347 mark_uri = (tl->cache_local) ? tl->local_uri :tl->thumb_uri;
349 mark_app = g_strdup_printf("%s %s", GQ_APPNAME, VERSION);
350 mark_mtime = g_strdup_printf("%llu", static_cast<unsigned long long>(tl->source_mtime));
351 pathl = path_from_utf8(tmp_path);
352 success = gdk_pixbuf_save(pixbuf, pathl, "png", nullptr,
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 : S_IRUSR & S_IWUSR);
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);
387 void thumb_loader_std_calibrate_pixbuf(FileData *fd, GdkPixbuf *pixbuf) {
388 ColorMan *cm = nullptr;
389 ExifData *exif = nullptr;
390 gint color_profile_from_image = COLOR_PROFILE_NONE;
391 ColorManProfileType input_type = COLOR_PROFILE_MEM;
392 ColorManProfileType screen_type;
393 const gchar *input_file = nullptr;
394 guchar *profile = nullptr;
399 if (!options->thumbnails.use_color_management)
404 sw = gdk_pixbuf_get_width(pixbuf);
405 sh = gdk_pixbuf_get_height(pixbuf);
407 exif = exif_read_fd(fd);
411 if (g_strcmp0(fd->format_name, "heif") == 0)
413 profile = heif_color_profile(fd, &profile_len);
418 profile = exif_get_color_profile(exif, &profile_len);
423 DEBUG_1("Found embedded color profile");
424 color_profile_from_image = COLOR_PROFILE_MEM;
428 gchar *interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
432 /* Exif 2.21 specification */
433 if (!strcmp(interop_index, "R98"))
435 color_profile_from_image = COLOR_PROFILE_SRGB;
436 DEBUG_1("Found EXIF 2.21 ColorSpace of sRGB");
438 else if (!strcmp(interop_index, "R03"))
440 color_profile_from_image = COLOR_PROFILE_ADOBERGB;
441 DEBUG_1("Found EXIF 2.21 ColorSpace of AdobeRGB");
443 g_free(interop_index);
449 /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
450 if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
453 color_profile_from_image = COLOR_PROFILE_SRGB;
454 DEBUG_1("Found EXIF 2.2 ColorSpace of sRGB");
458 /* non-standard way of specifying AdobeRGB (used by some software) */
459 color_profile_from_image = COLOR_PROFILE_ADOBERGB;
460 DEBUG_1("Found EXIF 2.2 ColorSpace of AdobeRGB");
465 if(color_profile_from_image != COLOR_PROFILE_NONE)
467 // transform image, we always use sRGB as target for thumbnails
468 screen_type = COLOR_PROFILE_SRGB;
472 cm = color_man_new_embedded(nullptr, pixbuf,
473 profile, profile_len,
474 screen_type, nullptr, nullptr, 0);
479 cm = color_man_new(nullptr, pixbuf,
480 input_type, input_file,
481 screen_type, nullptr, nullptr, 0);
485 color_man_correct_region(cm, cm->pixbuf, 0, 0, sw, sh);
490 exif_free_fd(fd, exif);
494 static GdkPixbuf *thumb_loader_std_finish(ThumbLoaderStd *tl, GdkPixbuf *pixbuf, gboolean shrunk)
496 GdkPixbuf *pixbuf_thumb = nullptr;
498 GdkPixbuf *rotated = nullptr;
503 if (!tl->cache_hit && options->image.exif_rotate_enable)
505 if (!tl->fd->exif_orientation)
507 if (g_strcmp0(tl->fd->format_name, "heif") != 0)
509 tl->fd->exif_orientation = metadata_read_int(tl->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
513 tl->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
517 if (tl->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
519 rotated = pixbuf_apply_orientation(pixbuf, tl->fd->exif_orientation);
524 sw = gdk_pixbuf_get_width(pixbuf);
525 sh = gdk_pixbuf_get_height(pixbuf);
527 if (tl->cache_enable)
534 if (tl->requested_width > THUMB_SIZE_NORMAL || tl->requested_height > THUMB_SIZE_NORMAL)
536 cache_w = cache_h = THUMB_SIZE_LARGE;
540 cache_w = cache_h = THUMB_SIZE_NORMAL;
543 if (sw > cache_w || sh > cache_h || shrunk)
549 if (pixbuf_scale_aspect(cache_w, cache_h, sw, sh,
552 pixbuf_thumb = gdk_pixbuf_scale_simple(pixbuf, thumb_w, thumb_h,
553 static_cast<GdkInterpType>(options->thumbnails.quality));
557 pixbuf_thumb = pixbuf;
558 g_object_ref(G_OBJECT(pixbuf_thumb));
561 /* do not save the thumbnail if the source file has changed meanwhile -
562 the thumbnail is most probably broken */
563 if (stat_utf8(tl->fd->path, &st) &&
564 tl->source_mtime == st.st_mtime &&
565 tl->source_size == st.st_size)
567 thumb_loader_std_save(tl, pixbuf_thumb);
571 else if (tl->cache_hit &&
572 tl->cache_local && !tl->thumb_path_local)
574 /* A local cache save was requested, but a valid thumb is in $HOME,
575 * so specifically save as a local thumbnail.
577 g_free(tl->thumb_path);
578 tl->thumb_path = nullptr;
580 tl->cache_hit = FALSE;
582 DEBUG_1("thumb copied: %s", tl->fd->path);
584 thumb_loader_std_save(tl, pixbuf);
588 if (sw <= tl->requested_width && sh <= tl->requested_height)
591 g_object_ref(result);
600 pixbuf = pixbuf_thumb;
601 sw = gdk_pixbuf_get_width(pixbuf);
602 sh = gdk_pixbuf_get_height(pixbuf);
605 if (pixbuf_scale_aspect(tl->requested_width, tl->requested_height, sw, sh,
608 result = gdk_pixbuf_scale_simple(pixbuf, thumb_w, thumb_h,
609 static_cast<GdkInterpType>(options->thumbnails.quality));
614 g_object_ref(result);
618 // apply color correction, if required
619 thumb_loader_std_calibrate_pixbuf(tl->fd, result);
621 if (pixbuf_thumb) g_object_unref(pixbuf_thumb);
622 if (rotated) g_object_unref(rotated);
627 static gboolean thumb_loader_std_next_source(ThumbLoaderStd *tl, gboolean remove_broken)
629 image_loader_free(tl->il);
634 if (!tl->thumb_path_local && remove_broken)
636 DEBUG_1("thumb broken, unlinking: %s", tl->thumb_path);
637 unlink_file(tl->thumb_path);
640 g_free(tl->thumb_path);
641 tl->thumb_path = nullptr;
643 if (!tl->thumb_path_local)
645 tl->thumb_path = thumb_loader_std_cache_path(tl, TRUE, nullptr, FALSE);
646 if (isfile(tl->thumb_path))
648 FileData *fd = file_data_new_no_grouping(tl->thumb_path);
649 if (thumb_loader_std_setup(tl, fd))
652 tl->thumb_path_local = TRUE;
658 g_free(tl->thumb_path);
659 tl->thumb_path = nullptr;
662 if (thumb_loader_std_setup(tl, tl->fd)) return TRUE;
665 thumb_loader_std_save(tl, nullptr);
669 static void thumb_loader_std_done_cb(ImageLoader *il, gpointer data)
671 auto tl = static_cast<ThumbLoaderStd *>(data);
674 DEBUG_1("thumb image done: %s", tl->fd ? tl->fd->path : "???");
675 DEBUG_1(" from: %s", image_loader_get_fd(tl->il)->path);
677 pixbuf = image_loader_get_pixbuf(tl->il);
680 DEBUG_1("...but no pixbuf");
681 thumb_loader_std_error_cb(il, data);
685 if (tl->thumb_path && !thumb_loader_std_validate(tl, pixbuf))
687 if (thumb_loader_std_next_source(tl, TRUE)) return;
689 if (tl->func_error) tl->func_error(tl, tl->data);
693 tl->cache_hit = (tl->thumb_path != nullptr);
697 if (tl->fd->thumb_pixbuf) g_object_unref(tl->fd->thumb_pixbuf);
698 tl->fd->thumb_pixbuf = thumb_loader_std_finish(tl, pixbuf, image_loader_get_shrunk(il));
701 if (tl->func_done) tl->func_done(tl, tl->data);
704 static void thumb_loader_std_error_cb(ImageLoader *il, gpointer data)
706 auto tl = static_cast<ThumbLoaderStd *>(data);
708 /* if at least some of the image is available, go to done */
709 if (image_loader_get_pixbuf(tl->il) != nullptr)
711 thumb_loader_std_done_cb(il, data);
715 DEBUG_1("thumb image error: %s", tl->fd->path);
716 DEBUG_1(" from: %s", image_loader_get_fd(tl->il)->path);
718 if (thumb_loader_std_next_source(tl, TRUE)) return;
720 thumb_loader_std_set_fallback(tl);
722 if (tl->func_error) tl->func_error(tl, tl->data);
725 static void thumb_loader_std_progress_cb(ImageLoader *, gdouble percent, gpointer data)
727 auto tl = static_cast<ThumbLoaderStd *>(data);
729 tl->progress = percent;
731 if (tl->func_progress) tl->func_progress(tl, tl->data);
734 static gboolean thumb_loader_std_setup(ThumbLoaderStd *tl, FileData *fd)
736 tl->il = image_loader_new(fd);
737 image_loader_set_priority(tl->il, G_PRIORITY_LOW);
739 /* this will speed up jpegs by up to 3x in some cases */
740 if (tl->requested_width <= THUMB_SIZE_NORMAL &&
741 tl->requested_height <= THUMB_SIZE_NORMAL)
743 image_loader_set_requested_size(tl->il, THUMB_SIZE_NORMAL, THUMB_SIZE_NORMAL);
747 image_loader_set_requested_size(tl->il, THUMB_SIZE_LARGE, THUMB_SIZE_LARGE);
750 g_signal_connect(G_OBJECT(tl->il), "error", (GCallback)thumb_loader_std_error_cb, tl);
751 if (tl->func_progress)
753 g_signal_connect(G_OBJECT(tl->il), "percent", (GCallback)thumb_loader_std_progress_cb, tl);
755 g_signal_connect(G_OBJECT(tl->il), "done", (GCallback)thumb_loader_std_done_cb, tl);
757 if (image_loader_start(tl->il))
762 image_loader_free(tl->il);
768 * Note: Currently local_cache only specifies where to save a _new_ thumb, if
769 * a valid existing thumb is found anywhere the local thumb will not be created.
771 void thumb_loader_std_set_cache(ThumbLoaderStd *tl, gboolean enable_cache, gboolean local, gboolean retry_failed)
775 tl->cache_enable = enable_cache;
776 tl->cache_local = local;
777 tl->cache_retry = retry_failed;
780 gboolean thumb_loader_std_start(ThumbLoaderStd *tl, FileData *fd)
782 static gchar *thumb_cache = nullptr;
785 if (!tl || !fd) return FALSE;
787 thumb_loader_std_reset(tl);
790 tl->fd = file_data_ref(fd);
791 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))
793 thumb_loader_std_set_fallback(tl);
796 tl->source_mtime = st.st_mtime;
797 tl->source_size = st.st_size;
798 tl->source_mode = st.st_mode;
802 thumb_cache = g_strdup(get_thumbnails_standard_cache_dir());
805 if (strncmp(tl->fd->path, thumb_cache, strlen(thumb_cache)) != 0)
809 pathl = path_from_utf8(fd->path);
810 tl->thumb_uri = g_filename_to_uri(pathl, nullptr, nullptr);
811 tl->local_uri = filename_from_path(tl->thumb_uri);
815 if (tl->cache_enable)
819 tl->thumb_path = thumb_loader_std_cache_path(tl, FALSE, nullptr, FALSE);
820 tl->thumb_path_local = FALSE;
822 found = isfile(tl->thumb_path);
825 FileData *fd = file_data_new_no_grouping(tl->thumb_path);
826 if (thumb_loader_std_setup(tl, fd))
834 if (thumb_loader_std_fail_check(tl) ||
835 !thumb_loader_std_next_source(tl, found))
837 thumb_loader_std_set_fallback(tl);
843 if (!thumb_loader_std_setup(tl, tl->fd))
845 thumb_loader_std_save(tl, nullptr);
846 thumb_loader_std_set_fallback(tl);
853 void thumb_loader_std_free(ThumbLoaderStd *tl)
857 thumb_loader_std_reset(tl);
861 GdkPixbuf *thumb_loader_std_get_pixbuf(ThumbLoaderStd *tl)
865 if (tl && tl->fd && tl->fd->thumb_pixbuf)
867 pixbuf = tl->fd->thumb_pixbuf;
868 g_object_ref(pixbuf);
872 pixbuf = pixbuf_fallback(nullptr, tl->requested_width, tl->requested_height);
885 void (*func_valid)(const gchar *path, gboolean valid, gpointer data);
888 guint idle_id; /* event source id */
891 static void thumb_loader_std_thumb_file_validate_free(ThumbValidate *tv)
893 thumb_loader_std_free(tv->tl);
898 void thumb_loader_std_thumb_file_validate_cancel(ThumbLoaderStd *tl)
904 tv = static_cast<ThumbValidate *>(tl->data);
908 g_source_remove(tv->idle_id);
912 thumb_loader_std_thumb_file_validate_free(tv);
915 static void thumb_loader_std_thumb_file_validate_finish(ThumbValidate *tv, gboolean valid)
917 if (tv->func_valid) tv->func_valid(tv->path, valid, tv->data);
919 thumb_loader_std_thumb_file_validate_free(tv);
922 static void thumb_loader_std_thumb_file_validate_done_cb(ThumbLoaderStd *, gpointer data)
924 auto tv = static_cast<ThumbValidate *>(data);
926 gboolean valid = FALSE;
928 /* get the original thumbnail pixbuf (unrotated, with original options)
929 this is called from image_loader done callback, so tv->tl->il must exist*/
930 pixbuf = image_loader_get_pixbuf(tv->tl->il);
934 const gchar *mtime_str;
936 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
937 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
938 if (uri && mtime_str)
940 if (strncmp(uri, "file:", strlen("file:")) == 0)
945 target = g_filename_from_uri(uri, nullptr, nullptr);
946 if (stat(target, &st) == 0 &&
947 st.st_mtime == strtol(mtime_str, nullptr, 10))
957 DEBUG_1("thumb uri foreign, doing day check: %s", uri);
959 if (stat_utf8(tv->path, &st))
964 if (st.st_atime >= now - static_cast<time_t>(tv->days) * 24 * 60 * 60)
973 DEBUG_1("invalid image found in std cache: %s", tv->path);
977 thumb_loader_std_thumb_file_validate_finish(tv, valid);
980 static void thumb_loader_std_thumb_file_validate_error_cb(ThumbLoaderStd *, gpointer data)
982 auto tv = static_cast<ThumbValidate *>(data);
984 thumb_loader_std_thumb_file_validate_finish(tv, FALSE);
987 static gboolean thumb_loader_std_thumb_file_validate_idle_cb(gpointer data)
989 auto tv = static_cast<ThumbValidate *>(data);
992 thumb_loader_std_thumb_file_validate_finish(tv, FALSE);
994 return G_SOURCE_REMOVE;
997 ThumbLoaderStd *thumb_loader_std_thumb_file_validate(const gchar *thumb_path, gint allowed_days,
998 void (*func_valid)(const gchar *path, gboolean valid, gpointer data),
1003 tv = g_new0(ThumbValidate, 1);
1005 tv->tl = thumb_loader_std_new(THUMB_SIZE_LARGE, THUMB_SIZE_LARGE);
1006 thumb_loader_std_set_callbacks(tv->tl,
1007 thumb_loader_std_thumb_file_validate_done_cb,
1008 thumb_loader_std_thumb_file_validate_error_cb,
1011 thumb_loader_std_reset(tv->tl);
1013 tv->path = g_strdup(thumb_path);
1014 tv->days = allowed_days;
1015 tv->func_valid = func_valid;
1018 FileData *fd = file_data_new_no_grouping(thumb_path);
1019 if (!thumb_loader_std_setup(tv->tl, fd))
1021 tv->idle_id = g_idle_add(thumb_loader_std_thumb_file_validate_idle_cb, tv);
1028 file_data_unref(fd);
1032 static void thumb_std_maint_remove_one(const gchar *source, const gchar *uri, gboolean local,
1033 const gchar *subfolder)
1037 thumb_path = thumb_std_cache_path(source,
1038 (local) ? filename_from_path(uri) : uri,
1040 if (isfile(thumb_path))
1042 DEBUG_1("thumb removing: %s", thumb_path);
1043 unlink_file(thumb_path);
1048 /* this also removes local thumbnails (the source is gone so it makes sense) */
1049 void thumb_std_maint_removed(const gchar *source)
1054 sourcel = path_from_utf8(source);
1055 uri = g_filename_to_uri(sourcel, nullptr, nullptr);
1058 /* all this to remove a thumbnail? */
1060 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_NORMAL);
1061 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_LARGE);
1062 thumb_std_maint_remove_one(source, uri, FALSE, THUMB_FOLDER_FAIL);
1063 thumb_std_maint_remove_one(source, uri, TRUE, THUMB_FOLDER_NORMAL);
1064 thumb_std_maint_remove_one(source, uri, TRUE, THUMB_FOLDER_LARGE);
1081 static GList *thumb_std_maint_move_list = nullptr;
1082 static GList *thumb_std_maint_move_tail = nullptr;
1085 static void thumb_std_maint_move_step(TMaintMove *tm);
1086 static gboolean thumb_std_maint_move_idle(gpointer data);
1089 static void thumb_std_maint_move_validate_cb(const gchar *, gboolean, gpointer data)
1091 auto tm = static_cast<TMaintMove *>(data);
1094 /* get the original thumbnail pixbuf (unrotated, with original options)
1095 this is called from image_loader done callback, so tm->tl->il must exist*/
1096 pixbuf = image_loader_get_pixbuf(tm->tl->il);
1100 const gchar *mtime_str;
1102 uri = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_URI);
1103 mtime_str = gdk_pixbuf_get_option(pixbuf, THUMB_MARKER_MTIME);
1105 if (uri && mtime_str && strcmp(uri, tm->source_uri) == 0)
1109 /* The validation utility abuses ThumbLoader, and we
1110 * abuse the utility just to load the thumbnail,
1111 * but the loader needs to look sane for the save to complete.
1114 tm->tl->cache_enable = TRUE;
1115 tm->tl->cache_hit = FALSE;
1116 tm->tl->cache_local = FALSE;
1117 file_data_unref(tm->tl->fd);
1118 tm->tl->fd = file_data_new_group(tm->dest);
1119 tm->tl->source_mtime = strtol(mtime_str, nullptr, 10);
1121 pathl = path_from_utf8(tm->tl->fd->path);
1122 g_free(tm->tl->thumb_uri);
1123 tm->tl->thumb_uri = g_filename_to_uri(pathl, nullptr, nullptr);
1124 tm->tl->local_uri = filename_from_path(tm->tl->thumb_uri);
1127 g_free(tm->tl->thumb_path);
1128 tm->tl->thumb_path = nullptr;
1129 tm->tl->thumb_path_local = FALSE;
1131 DEBUG_1("thumb move attempting save:");
1133 thumb_loader_std_save(tm->tl, pixbuf);
1136 DEBUG_1("thumb move unlink: %s", tm->thumb_path);
1137 unlink_file(tm->thumb_path);
1140 thumb_std_maint_move_step(tm);
1143 static void thumb_std_maint_move_step(TMaintMove *tm)
1145 const gchar *folder;
1152 g_free(tm->source_uri);
1153 g_free(tm->thumb_path);
1156 if (thumb_std_maint_move_list)
1158 g_idle_add_full(G_PRIORITY_LOW, thumb_std_maint_move_idle, nullptr, nullptr);
1164 folder = (tm->pass == 1) ? THUMB_FOLDER_NORMAL : THUMB_FOLDER_LARGE;
1166 g_free(tm->thumb_path);
1167 tm->thumb_path = thumb_std_cache_path(tm->source, tm->source_uri, FALSE, folder);
1168 tm->tl = thumb_loader_std_thumb_file_validate(tm->thumb_path, 0,
1169 thumb_std_maint_move_validate_cb, tm);
1172 static gboolean thumb_std_maint_move_idle(gpointer)
1177 if (!thumb_std_maint_move_list) return G_SOURCE_REMOVE;
1179 tm = static_cast<TMaintMove *>(thumb_std_maint_move_list->data);
1181 thumb_std_maint_move_list = g_list_remove(thumb_std_maint_move_list, tm);
1182 if (!thumb_std_maint_move_list) thumb_std_maint_move_tail = nullptr;
1184 pathl = path_from_utf8(tm->source);
1185 tm->source_uri = g_filename_to_uri(pathl, nullptr, nullptr);
1190 thumb_std_maint_move_step(tm);
1192 return G_SOURCE_REMOVE;
1195 /* This will schedule a move of the thumbnail for source image to dest when idle.
1196 * We do this so that file renaming or moving speed is not sacrificed by
1197 * moving the thumbnails at the same time because:
1199 * This cache design requires the tedious task of loading the png thumbnails and saving them.
1201 * The thumbnails are processed when the app is idle. If the app
1202 * exits early well too bad - they can simply be regenerated from scratch.
1204 /** @FIXME This does not manage local thumbnails (fixme ?)
1206 void thumb_std_maint_moved(const gchar *source, const gchar *dest)
1210 tm = g_new0(TMaintMove, 1);
1211 tm->source = g_strdup(source);
1212 tm->dest = g_strdup(dest);
1214 if (!thumb_std_maint_move_list)
1216 g_idle_add_full(G_PRIORITY_LOW, thumb_std_maint_move_idle, nullptr, nullptr);
1219 if (thumb_std_maint_move_tail)
1221 thumb_std_maint_move_tail = g_list_append(thumb_std_maint_move_tail, tm);
1222 thumb_std_maint_move_tail = thumb_std_maint_move_tail->next;
1226 thumb_std_maint_move_list = g_list_append(thumb_std_maint_move_list, tm);
1227 thumb_std_maint_move_tail = thumb_std_maint_move_list;
1230 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */