+++ /dev/null
-/*
- * Copyright (C) 2004 John Ellis
- * Copyright (C) 2008 - 2016 The Geeqie Team
- *
- * Author: John Ellis
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "main.h"
-#include "cache-loader.h"
-#include "cache.h"
-
-#include "filedata.h"
-#include "exif.h"
-#include "metadata.h"
-#include "md5-util.h"
-#include "ui_fileops.h"
-
-
-static gboolean cache_loader_process(CacheLoader *cl);
-
-
-static void cache_loader_done_cb(ImageLoader *il, gpointer data)
-{
- CacheLoader *cl = data;
-
- cache_loader_process(cl);
-}
-
-static void cache_loader_error_cb(ImageLoader *il, gpointer data)
-{
- CacheLoader *cl = data;
-
- cl->error = TRUE;
- cache_loader_done_cb(il, data);
-}
-
-static gboolean cache_loader_process(CacheLoader *cl)
-{
- if (cl->todo_mask & CACHE_LOADER_SIMILARITY &&
- !cl->cd->similarity)
- {
- GdkPixbuf *pixbuf;
-
- if (!cl->il && !cl->error)
- {
- cl->il = image_loader_new(cl->fd);
- g_signal_connect(G_OBJECT(cl->il), "error", (GCallback)cache_loader_error_cb, cl);
- g_signal_connect(G_OBJECT(cl->il), "done", (GCallback)cache_loader_done_cb, cl);
- if (image_loader_start(cl->il))
- {
- return FALSE;
- }
-
- cl->error = TRUE;
- }
-
- pixbuf = image_loader_get_pixbuf(cl->il);
- if (pixbuf)
- {
- if (!cl->error)
- {
- ImageSimilarityData *sim;
-
- sim = image_sim_new_from_pixbuf(pixbuf);
- cache_sim_data_set_similarity(cl->cd, sim);
- image_sim_free(sim);
-
- cl->done_mask |= CACHE_LOADER_SIMILARITY;
- }
-
- /* we have the dimensions via pixbuf */
- if (!cl->cd->dimensions)
- {
- cache_sim_data_set_dimensions(cl->cd, gdk_pixbuf_get_width(pixbuf),
- gdk_pixbuf_get_height(pixbuf));
- if (cl->todo_mask & CACHE_LOADER_DIMENSIONS)
- {
- cl->todo_mask &= ~CACHE_LOADER_DIMENSIONS;
- cl->done_mask |= CACHE_LOADER_DIMENSIONS;
- }
- }
- }
-
- image_loader_free(cl->il);
- cl->il = NULL;
-
- cl->todo_mask &= ~CACHE_LOADER_SIMILARITY;
- }
- else if (cl->todo_mask & CACHE_LOADER_DIMENSIONS &&
- !cl->cd->dimensions)
- {
- if (!cl->error &&
- image_load_dimensions(cl->fd, &cl->cd->width, &cl->cd->height))
- {
- cl->cd->dimensions = TRUE;
- cl->done_mask |= CACHE_LOADER_DIMENSIONS;
- }
- else
- {
- cl->error = TRUE;
- }
-
- cl->todo_mask &= ~CACHE_LOADER_DIMENSIONS;
- }
- else if (cl->todo_mask & CACHE_LOADER_MD5SUM &&
- !cl->cd->have_md5sum)
- {
- if (md5_get_digest_from_file_utf8(cl->fd->path, cl->cd->md5sum))
- {
- cl->cd->have_md5sum = TRUE;
- cl->done_mask |= CACHE_LOADER_MD5SUM;
- }
- else
- {
- cl->error = TRUE;
- }
-
- cl->todo_mask &= ~CACHE_LOADER_MD5SUM;
- }
- else if (cl->todo_mask & CACHE_LOADER_DATE &&
- !cl->cd->have_date)
- {
- time_t date = -1;
- gchar *text;
-
- text = metadata_read_string(cl->fd, "formatted.DateTime", METADATA_FORMATTED);
- if (text)
- {
- struct tm t;
-
- memset(&t, 0, sizeof(t));
-
- if (sscanf(text, "%d:%d:%d %d:%d:%d", &t.tm_year, &t.tm_mon, &t.tm_mday,
- &t.tm_hour, &t.tm_min, &t.tm_sec) == 6)
- {
- t.tm_year -= 1900;
- t.tm_mon -= 1;
- t.tm_isdst = -1;
- date = mktime(&t);
- }
- g_free(text);
- }
-
- cl->cd->date = date;
- cl->cd->have_date = TRUE;
-
- cl->done_mask |= CACHE_LOADER_DATE;
- cl->todo_mask &= ~CACHE_LOADER_DATE;
- }
- else
- {
- /* done, save then call done function */
- if (options->thumbnails.enable_caching &&
- cl->done_mask != CACHE_LOADER_NONE)
- {
- gchar *base;
- mode_t mode = 0755;
-
- base = cache_get_location(CACHE_TYPE_SIM, cl->fd->path, FALSE, &mode);
- if (recursive_mkdir_if_not_exists(base, mode))
- {
- g_free(cl->cd->path);
- cl->cd->path = cache_get_location(CACHE_TYPE_SIM, cl->fd->path, TRUE, NULL);
- if (cache_sim_data_save(cl->cd))
- {
- filetime_set(cl->cd->path, filetime(cl->fd->path));
- }
- }
- g_free(base);
- }
-
- cl->idle_id = 0;
-
- if (cl->done_func)
- {
- cl->done_func(cl, cl->error, cl->done_data);
- }
-
- return FALSE;
- }
-
- return TRUE;
-}
-
-static gboolean cache_loader_idle_cb(gpointer data)
-{
- CacheLoader *cl = data;
-
- return cache_loader_process(cl);
-}
-
-CacheLoader *cache_loader_new(FileData *fd, CacheDataType load_mask,
- CacheLoaderDoneFunc done_func, gpointer done_data)
-{
- CacheLoader *cl;
- gchar *found;
-
- if (!fd || !isfile(fd->path)) return NULL;
-
- cl = g_new0(CacheLoader, 1);
- cl->fd = file_data_ref(fd);
-
- cl->done_func = done_func;
- cl->done_data = done_data;
-
- found = cache_find_location(CACHE_TYPE_SIM, cl->fd->path);
- if (found && filetime(found) == filetime(cl->fd->path))
- {
- cl->cd = cache_sim_data_load(found);
- }
- g_free(found);
-
- if (!cl->cd) cl->cd = cache_sim_data_new();
-
- cl->todo_mask = load_mask;
- cl->done_mask = CACHE_LOADER_NONE;
-
- cl->il = NULL;
- cl->idle_id = g_idle_add(cache_loader_idle_cb, cl);
-
- cl->error = FALSE;
-
- return cl;
-}
-
-void cache_loader_free(CacheLoader *cl)
-{
- if (!cl) return;
-
- if (cl->idle_id)
- {
- g_source_remove(cl->idle_id);
- cl->idle_id = 0;
- }
-
- image_loader_free(cl->il);
- cache_sim_data_free(cl->cd);
-
- file_data_unref(cl->fd);
- g_free(cl);
-}
-/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff