739 lines
21 KiB
C
739 lines
21 KiB
C
//
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// fiv-io-model.c: filesystem
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//
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// Copyright (c) 2021 - 2023, Přemysl Eric Janouch <p@janouch.name>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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#include "fiv-io.h"
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#include "fiv-io-model.h"
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#include "xdg.h"
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GType
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fiv_io_model_sort_get_type(void)
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{
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static gsize guard;
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if (g_once_init_enter(&guard)) {
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#define XX(name) {FIV_IO_MODEL_SORT_ ## name, \
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"FIV_IO_MODEL_SORT_" #name, #name},
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static const GEnumValue values[] = {FIV_IO_MODEL_SORTS(XX) {}};
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#undef XX
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GType type = g_enum_register_static(
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g_intern_static_string("FivIoModelSort"), values);
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g_once_init_leave(&guard, type);
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}
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return guard;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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G_DEFINE_BOXED_TYPE(FivIoModelEntry, fiv_io_model_entry,
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fiv_io_model_entry_ref, fiv_io_model_entry_unref)
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FivIoModelEntry *
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fiv_io_model_entry_ref(FivIoModelEntry *self)
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{
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return g_rc_box_acquire(self);
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}
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void
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fiv_io_model_entry_unref(FivIoModelEntry *self)
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{
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g_rc_box_release(self);
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}
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static size_t
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entry_strsize(const char *string)
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{
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if (!string)
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return 0;
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return strlen(string) + 1;
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}
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static char *
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entry_strappend(char **p, const char *string, size_t size)
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{
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if (!string)
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return NULL;
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char *destination = memcpy(*p, string, size);
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*p += size;
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return destination;
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}
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// See model_load_attributes for a (superset of a) list of required attributes.
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static FivIoModelEntry *
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entry_new(GFile *file, GFileInfo *info)
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{
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gchar *uri = g_file_get_uri(file);
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const gchar *target_uri = g_file_info_get_attribute_string(
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info, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI);
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const gchar *display_name = g_file_info_get_display_name(info);
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// TODO(p): Make it possible to use g_utf8_collate_key() instead,
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// which does not use natural sorting.
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gchar *parse_name = g_file_get_parse_name(file);
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gchar *collate_key = g_utf8_collate_key_for_filename(parse_name, -1);
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g_free(parse_name);
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// The entries are immutable. Packing them into the structure
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// should help memory usage as well as performance.
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size_t size_uri = entry_strsize(uri);
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size_t size_target_uri = entry_strsize(target_uri);
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size_t size_display_name = entry_strsize(display_name);
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size_t size_collate_key = entry_strsize(collate_key);
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FivIoModelEntry *entry = g_rc_box_alloc0(sizeof *entry +
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size_uri +
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size_target_uri +
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size_display_name +
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size_collate_key);
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gchar *p = (gchar *) entry + sizeof *entry;
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entry->uri = entry_strappend(&p, uri, size_uri);
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entry->target_uri = entry_strappend(&p, target_uri, size_target_uri);
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entry->display_name = entry_strappend(&p, display_name, size_display_name);
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entry->collate_key = entry_strappend(&p, collate_key, size_collate_key);
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entry->filesize = (guint64) g_file_info_get_size(info);
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GDateTime *mtime = g_file_info_get_modification_date_time(info);
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if (mtime) {
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entry->mtime_msec = g_date_time_to_unix(mtime) * 1000 +
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g_date_time_get_microsecond(mtime) / 1000;
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g_date_time_unref(mtime);
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}
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g_free(uri);
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g_free(collate_key);
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return entry;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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struct _FivIoModel {
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GObject parent_instance;
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GPatternSpec **supported_patterns;
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GFile *directory; ///< Currently loaded directory
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GFileMonitor *monitor; ///< "directory" monitoring
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GPtrArray *subdirs; ///< "directory" contents
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GPtrArray *files; ///< "directory" contents
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FivIoModelSort sort_field; ///< How to sort
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gboolean sort_descending; ///< Whether to sort in reverse
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gboolean filtering; ///< Only show non-hidden, supported
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};
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G_DEFINE_TYPE(FivIoModel, fiv_io_model, G_TYPE_OBJECT)
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enum {
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PROP_FILTERING = 1,
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PROP_SORT_FIELD,
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PROP_SORT_DESCENDING,
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N_PROPERTIES
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};
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static GParamSpec *model_properties[N_PROPERTIES];
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enum {
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RELOADED,
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FILES_CHANGED,
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SUBDIRECTORIES_CHANGED,
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LAST_SIGNAL,
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};
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// Globals are, sadly, the canonical way of storing signal numbers.
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static guint model_signals[LAST_SIGNAL];
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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static GPtrArray *
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model_entry_array_new(void)
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{
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return g_ptr_array_new_with_free_func(
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(GDestroyNotify) fiv_io_model_entry_unref);
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}
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#if !GLIB_CHECK_VERSION(2, 70, 0)
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#define g_pattern_spec_match g_pattern_match
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#endif
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static gboolean
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model_supports(FivIoModel *self, const char *filename)
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{
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gchar *utf8 = g_filename_to_utf8(filename, -1, NULL, NULL, NULL);
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if (!utf8)
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return FALSE;
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gchar *lc = g_utf8_strdown(utf8, -1);
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gsize lc_length = strlen(lc);
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gchar *reversed = g_utf8_strreverse(lc, lc_length);
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g_free(utf8);
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// fnmatch() uses the /locale encoding/, and isn't present on Windows.
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// TODO(p): Consider using g_file_info_get_display_name() for direct UTF-8.
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gboolean result = FALSE;
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for (GPatternSpec **p = self->supported_patterns; *p; p++)
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if ((result = g_pattern_spec_match(*p, lc_length, lc, reversed)))
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break;
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g_free(lc);
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g_free(reversed);
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return result;
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}
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static inline int
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model_compare_entries(FivIoModel *self,
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const FivIoModelEntry *entry1, GFile *file1,
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const FivIoModelEntry *entry2, GFile *file2)
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{
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if (g_file_has_prefix(file1, file2))
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return +1;
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if (g_file_has_prefix(file2, file1))
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return -1;
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int result = 0;
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switch (self->sort_field) {
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case FIV_IO_MODEL_SORT_MTIME:
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result -= entry1->mtime_msec < entry2->mtime_msec;
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result += entry1->mtime_msec > entry2->mtime_msec;
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if (result != 0)
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break;
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// Fall-through
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case FIV_IO_MODEL_SORT_NAME:
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case FIV_IO_MODEL_SORT_COUNT:
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result = strcmp(entry1->collate_key, entry2->collate_key);
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}
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return self->sort_descending ? -result : +result;
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}
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static gint
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model_compare(gconstpointer a, gconstpointer b, gpointer user_data)
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{
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const FivIoModelEntry *entry1 = *(const FivIoModelEntry **) a;
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const FivIoModelEntry *entry2 = *(const FivIoModelEntry **) b;
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GFile *file1 = g_file_new_for_uri(entry1->uri);
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GFile *file2 = g_file_new_for_uri(entry2->uri);
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int result = model_compare_entries(user_data, entry1, file1, entry2, file2);
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g_object_unref(file1);
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g_object_unref(file2);
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return result;
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}
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static const char *model_load_attributes =
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G_FILE_ATTRIBUTE_STANDARD_TYPE ","
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G_FILE_ATTRIBUTE_STANDARD_NAME ","
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G_FILE_ATTRIBUTE_STANDARD_SIZE ","
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G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME ","
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G_FILE_ATTRIBUTE_STANDARD_TARGET_URI ","
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G_FILE_ATTRIBUTE_STANDARD_IS_HIDDEN ","
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G_FILE_ATTRIBUTE_TIME_MODIFIED ","
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G_FILE_ATTRIBUTE_TIME_MODIFIED_USEC;
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static GPtrArray *
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model_decide_placement(
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FivIoModel *self, GFileInfo *info, GPtrArray *subdirs, GPtrArray *files)
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{
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if (self->filtering && g_file_info_get_is_hidden(info))
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return NULL;
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if (g_file_info_get_file_type(info) == G_FILE_TYPE_DIRECTORY)
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return subdirs;
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if (!self->filtering ||
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model_supports(self, g_file_info_get_name(info)))
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return files;
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return NULL;
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}
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static gboolean
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model_reload_to(FivIoModel *self, GFile *directory,
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GPtrArray *subdirs, GPtrArray *files, GError **error)
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{
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if (subdirs)
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g_ptr_array_set_size(subdirs, 0);
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if (files)
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g_ptr_array_set_size(files, 0);
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GFileEnumerator *enumerator = g_file_enumerate_children(
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directory, model_load_attributes, G_FILE_QUERY_INFO_NONE, NULL, error);
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if (!enumerator)
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return FALSE;
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GFileInfo *info = NULL;
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GFile *child = NULL;
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GError *e = NULL;
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while (TRUE) {
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if (!g_file_enumerator_iterate(enumerator, &info, &child, NULL, &e) &&
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e) {
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g_warning("%s", e->message);
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g_clear_error(&e);
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continue;
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}
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if (!info)
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break;
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GPtrArray *target =
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model_decide_placement(self, info, subdirs, files);
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if (target)
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g_ptr_array_add(target, entry_new(child, info));
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}
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g_object_unref(enumerator);
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if (subdirs)
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g_ptr_array_sort_with_data(subdirs, model_compare, self);
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if (files)
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g_ptr_array_sort_with_data(files, model_compare, self);
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return TRUE;
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}
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static gboolean
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model_reload(FivIoModel *self, GError **error)
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{
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// Note that this will clear all entries on failure.
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gboolean result = model_reload_to(
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self, self->directory, self->subdirs, self->files, error);
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g_signal_emit(self, model_signals[RELOADED], 0);
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return result;
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}
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static void
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model_resort(FivIoModel *self)
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{
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g_ptr_array_sort_with_data(self->subdirs, model_compare, self);
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g_ptr_array_sort_with_data(self->files, model_compare, self);
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g_signal_emit(self, model_signals[RELOADED], 0);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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static gint
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model_find(const GPtrArray *target, GFile *file, FivIoModelEntry **entry)
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{
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for (guint i = 0; i < target->len; i++) {
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FivIoModelEntry *e = target->pdata[i];
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GFile *f = g_file_new_for_uri(e->uri);
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gboolean match = g_file_equal(f, file);
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g_object_unref(f);
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if (match) {
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*entry = e;
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return i;
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}
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}
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return -1;
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}
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enum monitor_event {
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MONITOR_NONE,
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MONITOR_CHANGING,
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MONITOR_RENAMING,
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MONITOR_REMOVING,
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MONITOR_ADDING
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};
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static void
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monitor_apply(enum monitor_event event, GPtrArray *target, int index,
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FivIoModelEntry *new_entry)
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{
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if (event == MONITOR_RENAMING && index < 0)
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// The file used to be filtered out but isn't anymore.
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event = MONITOR_ADDING;
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else if (!new_entry && index >= 0)
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// The file wasn't filtered out but now it is.
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event = MONITOR_REMOVING;
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if (event == MONITOR_CHANGING) {
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fiv_io_model_entry_unref(target->pdata[index]);
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target->pdata[index] = fiv_io_model_entry_ref(new_entry);
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}
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if (event == MONITOR_REMOVING || event == MONITOR_RENAMING)
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g_ptr_array_remove_index(target, index);
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if (event == MONITOR_RENAMING || event == MONITOR_ADDING)
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g_ptr_array_add(target, fiv_io_model_entry_ref(new_entry));
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}
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static void
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on_monitor_changed(G_GNUC_UNUSED GFileMonitor *monitor, GFile *file,
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GFile *other_file, GFileMonitorEvent event_type, gpointer user_data)
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{
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FivIoModel *self = user_data;
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FivIoModelEntry *old_entry = NULL;
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gint files_index = model_find(self->files, file, &old_entry);
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gint subdirs_index = model_find(self->subdirs, file, &old_entry);
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enum monitor_event event = MONITOR_NONE;
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GFile *new_entry_file = NULL;
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switch (event_type) {
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case G_FILE_MONITOR_EVENT_CHANGED:
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case G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED:
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event = MONITOR_CHANGING;
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new_entry_file = file;
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break;
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case G_FILE_MONITOR_EVENT_RENAMED:
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event = MONITOR_RENAMING;
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new_entry_file = other_file;
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break;
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case G_FILE_MONITOR_EVENT_DELETED:
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case G_FILE_MONITOR_EVENT_MOVED_OUT:
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event = MONITOR_REMOVING;
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break;
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case G_FILE_MONITOR_EVENT_CREATED:
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case G_FILE_MONITOR_EVENT_MOVED_IN:
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event = MONITOR_ADDING;
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old_entry = NULL;
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new_entry_file = file;
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break;
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|
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case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
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// TODO(p): Figure out if we can't make use of _CHANGES_DONE_HINT.
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case G_FILE_MONITOR_EVENT_PRE_UNMOUNT:
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case G_FILE_MONITOR_EVENT_UNMOUNTED:
|
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// TODO(p): Figure out how to handle _UNMOUNTED sensibly.
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case G_FILE_MONITOR_EVENT_MOVED:
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return;
|
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}
|
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|
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FivIoModelEntry *new_entry = NULL;
|
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GPtrArray *new_target = NULL;
|
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if (new_entry_file) {
|
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GError *error = NULL;
|
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GFileInfo *info = g_file_query_info(new_entry_file,
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model_load_attributes, G_FILE_QUERY_INFO_NONE, NULL, &error);
|
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if (error) {
|
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g_debug("monitor: %s", error->message);
|
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g_error_free(error);
|
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goto run;
|
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}
|
|
|
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if ((new_target =
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model_decide_placement(self, info, self->subdirs, self->files)))
|
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new_entry = entry_new(new_entry_file, info);
|
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g_object_unref(info);
|
|
|
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if ((files_index != -1 && new_target == self->subdirs) ||
|
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(subdirs_index != -1 && new_target == self->files)) {
|
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g_debug("monitor: ignoring transfer between files and subdirs");
|
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goto out;
|
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}
|
|
}
|
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|
|
run:
|
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// Keep a reference alive so that signal handlers see the new arrays.
|
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if (old_entry)
|
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fiv_io_model_entry_ref(old_entry);
|
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|
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if (files_index != -1 || new_target == self->files) {
|
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monitor_apply(event, self->files, files_index, new_entry);
|
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g_signal_emit(self, model_signals[FILES_CHANGED],
|
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0, old_entry, new_entry);
|
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}
|
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if (subdirs_index != -1 || new_target == self->subdirs) {
|
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monitor_apply(event, self->subdirs, subdirs_index, new_entry);
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g_signal_emit(self, model_signals[SUBDIRECTORIES_CHANGED],
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0, old_entry, new_entry);
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}
|
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|
|
// NOTE: It would make sense to do
|
|
// g_ptr_array_sort_with_data(self->{files,subdirs}, model_compare, self);
|
|
// but then the iteration behaviour of fiv.c would differ from what's shown
|
|
// in the browser. Perhaps we need to use an index-based, fully-synchronized
|
|
// interface similar to GListModel::items-changed.
|
|
|
|
if (old_entry)
|
|
fiv_io_model_entry_unref(old_entry);
|
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out:
|
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if (new_entry)
|
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fiv_io_model_entry_unref(new_entry);
|
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}
|
|
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
|
|
// This would be more efficient iteratively, but it's not that important.
|
|
static GFile *
|
|
model_last_deep_subdirectory(FivIoModel *self, GFile *directory)
|
|
{
|
|
GFile *result = NULL;
|
|
GPtrArray *subdirs = model_entry_array_new();
|
|
if (!model_reload_to(self, directory, subdirs, NULL, NULL))
|
|
goto out;
|
|
|
|
if (subdirs->len) {
|
|
FivIoModelEntry *entry = g_ptr_array_index(subdirs, subdirs->len - 1);
|
|
GFile *last = g_file_new_for_uri(entry->uri);
|
|
result = model_last_deep_subdirectory(self, last);
|
|
g_object_unref(last);
|
|
} else {
|
|
result = g_object_ref(directory);
|
|
}
|
|
|
|
out:
|
|
g_ptr_array_free(subdirs, TRUE);
|
|
return result;
|
|
}
|
|
|
|
GFile *
|
|
fiv_io_model_get_previous_directory(FivIoModel *self)
|
|
{
|
|
g_return_val_if_fail(FIV_IS_IO_MODEL(self), NULL);
|
|
|
|
GFile *parent_directory = g_file_get_parent(self->directory);
|
|
if (!parent_directory)
|
|
return NULL;
|
|
|
|
GFile *result = NULL;
|
|
GPtrArray *subdirs = model_entry_array_new();
|
|
if (!model_reload_to(self, parent_directory, subdirs, NULL, NULL))
|
|
goto out;
|
|
|
|
for (gsize i = 0; i < subdirs->len; i++) {
|
|
FivIoModelEntry *entry = g_ptr_array_index(subdirs, i);
|
|
GFile *file = g_file_new_for_uri(entry->uri);
|
|
if (g_file_equal(file, self->directory)) {
|
|
g_object_unref(file);
|
|
break;
|
|
}
|
|
|
|
g_clear_object(&result);
|
|
result = file;
|
|
}
|
|
if (result) {
|
|
GFile *last = model_last_deep_subdirectory(self, result);
|
|
g_object_unref(result);
|
|
result = last;
|
|
} else {
|
|
result = g_object_ref(parent_directory);
|
|
}
|
|
|
|
out:
|
|
g_object_unref(parent_directory);
|
|
g_ptr_array_free(subdirs, TRUE);
|
|
return result;
|
|
}
|
|
|
|
// This would be more efficient iteratively, but it's not that important.
|
|
static GFile *
|
|
model_next_directory_within_parents(FivIoModel *self, GFile *directory)
|
|
{
|
|
GFile *parent_directory = g_file_get_parent(directory);
|
|
if (!parent_directory)
|
|
return NULL;
|
|
|
|
GFile *result = NULL;
|
|
GPtrArray *subdirs = model_entry_array_new();
|
|
if (!model_reload_to(self, parent_directory, subdirs, NULL, NULL))
|
|
goto out;
|
|
|
|
gboolean found_self = FALSE;
|
|
for (gsize i = 0; i < subdirs->len; i++) {
|
|
FivIoModelEntry *entry = g_ptr_array_index(subdirs, i);
|
|
result = g_file_new_for_uri(entry->uri);
|
|
if (found_self)
|
|
goto out;
|
|
|
|
found_self = g_file_equal(result, directory);
|
|
g_clear_object(&result);
|
|
}
|
|
if (!result)
|
|
result = model_next_directory_within_parents(self, parent_directory);
|
|
|
|
out:
|
|
g_object_unref(parent_directory);
|
|
g_ptr_array_free(subdirs, TRUE);
|
|
return result;
|
|
}
|
|
|
|
GFile *
|
|
fiv_io_model_get_next_directory(FivIoModel *self)
|
|
{
|
|
g_return_val_if_fail(FIV_IS_IO_MODEL(self), NULL);
|
|
|
|
if (self->subdirs->len) {
|
|
FivIoModelEntry *entry = g_ptr_array_index(self->subdirs, 0);
|
|
return g_file_new_for_uri(entry->uri);
|
|
}
|
|
|
|
return model_next_directory_within_parents(self, self->directory);
|
|
}
|
|
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
|
|
static void
|
|
fiv_io_model_finalize(GObject *gobject)
|
|
{
|
|
FivIoModel *self = FIV_IO_MODEL(gobject);
|
|
for (GPatternSpec **p = self->supported_patterns; *p; p++)
|
|
g_pattern_spec_free(*p);
|
|
g_free(self->supported_patterns);
|
|
|
|
g_clear_object(&self->directory);
|
|
g_clear_object(&self->monitor);
|
|
g_ptr_array_free(self->subdirs, TRUE);
|
|
g_ptr_array_free(self->files, TRUE);
|
|
|
|
G_OBJECT_CLASS(fiv_io_model_parent_class)->finalize(gobject);
|
|
}
|
|
|
|
static void
|
|
fiv_io_model_get_property(
|
|
GObject *object, guint property_id, GValue *value, GParamSpec *pspec)
|
|
{
|
|
FivIoModel *self = FIV_IO_MODEL(object);
|
|
switch (property_id) {
|
|
case PROP_FILTERING:
|
|
g_value_set_boolean(value, self->filtering);
|
|
break;
|
|
case PROP_SORT_FIELD:
|
|
g_value_set_enum(value, self->sort_field);
|
|
break;
|
|
case PROP_SORT_DESCENDING:
|
|
g_value_set_boolean(value, self->sort_descending);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
|
|
}
|
|
}
|
|
|
|
static void
|
|
fiv_io_model_set_property(
|
|
GObject *object, guint property_id, const GValue *value, GParamSpec *pspec)
|
|
{
|
|
FivIoModel *self = FIV_IO_MODEL(object);
|
|
switch (property_id) {
|
|
case PROP_FILTERING:
|
|
if (self->filtering != g_value_get_boolean(value)) {
|
|
self->filtering = !self->filtering;
|
|
g_object_notify_by_pspec(object, model_properties[property_id]);
|
|
(void) model_reload(self, NULL /* error */);
|
|
}
|
|
break;
|
|
case PROP_SORT_FIELD:
|
|
if ((int) self->sort_field != g_value_get_enum(value)) {
|
|
self->sort_field = g_value_get_enum(value);
|
|
g_object_notify_by_pspec(object, model_properties[property_id]);
|
|
model_resort(self);
|
|
}
|
|
break;
|
|
case PROP_SORT_DESCENDING:
|
|
if (self->sort_descending != g_value_get_boolean(value)) {
|
|
self->sort_descending = !self->sort_descending;
|
|
g_object_notify_by_pspec(object, model_properties[property_id]);
|
|
model_resort(self);
|
|
}
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
|
|
}
|
|
}
|
|
|
|
static void
|
|
fiv_io_model_class_init(FivIoModelClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS(klass);
|
|
object_class->get_property = fiv_io_model_get_property;
|
|
object_class->set_property = fiv_io_model_set_property;
|
|
object_class->finalize = fiv_io_model_finalize;
|
|
|
|
model_properties[PROP_FILTERING] = g_param_spec_boolean(
|
|
"filtering", "Filtering", "Only show non-hidden, supported entries",
|
|
TRUE, G_PARAM_READWRITE);
|
|
model_properties[PROP_SORT_FIELD] = g_param_spec_enum(
|
|
"sort-field", "Sort field", "Sort order",
|
|
FIV_TYPE_IO_MODEL_SORT, FIV_IO_MODEL_SORT_NAME, G_PARAM_READWRITE);
|
|
model_properties[PROP_SORT_DESCENDING] = g_param_spec_boolean(
|
|
"sort-descending", "Sort descending", "Use reverse sort order",
|
|
FALSE, G_PARAM_READWRITE);
|
|
g_object_class_install_properties(
|
|
object_class, N_PROPERTIES, model_properties);
|
|
|
|
// All entries might have changed.
|
|
model_signals[RELOADED] =
|
|
g_signal_new("reloaded", G_TYPE_FROM_CLASS(klass), 0, 0,
|
|
NULL, NULL, NULL, G_TYPE_NONE, 0);
|
|
|
|
model_signals[FILES_CHANGED] =
|
|
g_signal_new("files-changed", G_TYPE_FROM_CLASS(klass), 0, 0,
|
|
NULL, NULL, NULL,
|
|
G_TYPE_NONE, 2, FIV_TYPE_IO_MODEL_ENTRY, FIV_TYPE_IO_MODEL_ENTRY);
|
|
model_signals[SUBDIRECTORIES_CHANGED] =
|
|
g_signal_new("subdirectories-changed", G_TYPE_FROM_CLASS(klass), 0, 0,
|
|
NULL, NULL, NULL,
|
|
G_TYPE_NONE, 2, FIV_TYPE_IO_MODEL_ENTRY, FIV_TYPE_IO_MODEL_ENTRY);
|
|
}
|
|
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
|
|
static void
|
|
fiv_io_model_init(FivIoModel *self)
|
|
{
|
|
self->filtering = TRUE;
|
|
|
|
char **types = fiv_io_all_supported_media_types();
|
|
char **globs = extract_mime_globs((const char **) types);
|
|
g_strfreev(types);
|
|
|
|
gsize n = g_strv_length(globs);
|
|
self->supported_patterns =
|
|
g_malloc0_n(n + 1, sizeof *self->supported_patterns);
|
|
while (n--)
|
|
self->supported_patterns[n] = g_pattern_spec_new(globs[n]);
|
|
g_strfreev(globs);
|
|
|
|
self->files = model_entry_array_new();
|
|
self->subdirs = model_entry_array_new();
|
|
}
|
|
|
|
gboolean
|
|
fiv_io_model_open(FivIoModel *self, GFile *directory, GError **error)
|
|
{
|
|
g_return_val_if_fail(FIV_IS_IO_MODEL(self), FALSE);
|
|
g_return_val_if_fail(G_IS_FILE(directory), FALSE);
|
|
|
|
g_clear_object(&self->directory);
|
|
g_clear_object(&self->monitor);
|
|
self->directory = g_object_ref(directory);
|
|
|
|
GError *e = NULL;
|
|
if ((self->monitor = g_file_monitor_directory(
|
|
directory, G_FILE_MONITOR_WATCH_MOVES, NULL, &e))) {
|
|
g_signal_connect(self->monitor, "changed",
|
|
G_CALLBACK(on_monitor_changed), self);
|
|
} else {
|
|
g_debug("directory monitoring failed: %s", e->message);
|
|
g_error_free(e);
|
|
}
|
|
return model_reload(self, error);
|
|
}
|
|
|
|
GFile *
|
|
fiv_io_model_get_location(FivIoModel *self)
|
|
{
|
|
g_return_val_if_fail(FIV_IS_IO_MODEL(self), NULL);
|
|
return self->directory;
|
|
}
|
|
|
|
FivIoModelEntry *const *
|
|
fiv_io_model_get_files(FivIoModel *self, gsize *len)
|
|
{
|
|
*len = self->files->len;
|
|
return (FivIoModelEntry *const *) self->files->pdata;
|
|
}
|
|
|
|
FivIoModelEntry *const *
|
|
fiv_io_model_get_subdirs(FivIoModel *self, gsize *len)
|
|
{
|
|
*len = self->subdirs->len;
|
|
return (FivIoModelEntry *const *) self->subdirs->pdata;
|
|
}
|