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285 | /* ev-bookmarks.c
* this file is part of evince, a gnome document viewer
*
* Copyright (C) 2010 Carlos Garcia Campos <carlosgc@gnome.org>
*
* Evince 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.
*
* Evince 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 "config.h"
#include <string.h>
#include "ev-bookmarks.h"
enum {
PROP_0,
PROP_METADATA
};
enum {
CHANGED,
N_SIGNALS
};
struct _EvBookmarks {
GObject base;
EvMetadata *metadata;
GList *items;
};
struct _EvBookmarksClass {
GObjectClass base_class;
void (*changed) (EvBookmarks *bookmarks);
};
G_DEFINE_TYPE (EvBookmarks, ev_bookmarks, G_TYPE_OBJECT)<--- There is an unknown macro here somewhere. Configuration is required. If G_DEFINE_TYPE is a macro then please configure it.
static guint signals[N_SIGNALS];
static gint
ev_bookmark_compare (EvBookmark *a,
EvBookmark *b)
{
if (a->page < b->page)
return -1;
if (a->page > b->page)
return 1;
return 0;
}
static void
ev_bookmark_free (EvBookmark *bm)
{
if (G_UNLIKELY(!bm))
return;
g_free (bm->title);
g_slice_free (EvBookmark, bm);
}
static void
ev_bookmarks_finalize (GObject *object)
{
EvBookmarks *bookmarks = EV_BOOKMARKS (object);
if (bookmarks->items) {
g_list_free_full (bookmarks->items, (GDestroyNotify)ev_bookmark_free);
bookmarks->items = NULL;
}
if (bookmarks->metadata) {
g_object_unref (bookmarks->metadata);
bookmarks->metadata = NULL;
}
G_OBJECT_CLASS (ev_bookmarks_parent_class)->finalize (object);
}
static void
ev_bookmarks_init (EvBookmarks *bookmarks)
{
}
static void
ev_bookmarks_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
EvBookmarks *bookmarks = EV_BOOKMARKS (object);
switch (prop_id) {
case PROP_METADATA:
bookmarks->metadata = (EvMetadata *)g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
ev_bookmarks_constructed (GObject *object)
{
EvBookmarks *bookmarks = EV_BOOKMARKS (object);
gchar *bm_list_str;
GVariant *bm_list;
GVariantIter iter;
GVariant *child;
GError *error = NULL;
if (!ev_metadata_get_string (bookmarks->metadata, "bookmarks", &bm_list_str))
return;
if (!bm_list_str || bm_list_str[0] == '\0')
return;
bm_list = g_variant_parse ((const GVariantType *)"a(us)",
bm_list_str, NULL, NULL,
&error);
if (!bm_list) {
g_warning ("Error getting bookmarks: %s\n", error->message);
g_error_free (error);
return;
}
g_variant_iter_init (&iter, bm_list);
while ((child = g_variant_iter_next_value (&iter))) {
EvBookmark *bm = g_slice_new (EvBookmark);
g_variant_get (child, "(us)", &bm->page, &bm->title);
if (bm->title && strlen (bm->title) > 0)
bookmarks->items = g_list_prepend (bookmarks->items, bm);
g_variant_unref (child);
}
g_variant_unref (bm_list);
bookmarks->items = g_list_reverse (bookmarks->items);
}
static void
ev_bookmarks_class_init (EvBookmarksClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = ev_bookmarks_set_property;
gobject_class->finalize = ev_bookmarks_finalize;
gobject_class->constructed = ev_bookmarks_constructed;
g_object_class_install_property (gobject_class,
PROP_METADATA,
g_param_spec_object ("metadata",
"Metadata",
"The document metadata",
EV_TYPE_METADATA,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE));
/* Signals */
signals[CHANGED] =
g_signal_new ("changed",
EV_TYPE_BOOKMARKS,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (EvBookmarksClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
EvBookmarks *
ev_bookmarks_new (EvMetadata *metadata)
{
g_return_val_if_fail (EV_IS_METADATA (metadata), NULL);
return EV_BOOKMARKS (g_object_new (EV_TYPE_BOOKMARKS,
"metadata", metadata, NULL));
}
static void
ev_bookmarks_save (EvBookmarks *bookmarks)
{
GList *l;
GVariantBuilder builder;
GVariant *bm_list;
gchar *bm_list_str;
if (!bookmarks->items) {
ev_metadata_set_string (bookmarks->metadata, "bookmarks", "");
return;
}
g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
for (l = bookmarks->items; l; l = g_list_next (l)) {
EvBookmark *bm = (EvBookmark *)l->data;
g_variant_builder_add (&builder, "(u&s)", bm->page, bm->title);
}
bm_list = g_variant_builder_end (&builder);
bm_list_str = g_variant_print (bm_list, FALSE);
g_variant_unref (bm_list);
ev_metadata_set_string (bookmarks->metadata, "bookmarks", bm_list_str);
g_free (bm_list_str);
}
GList *
ev_bookmarks_get_bookmarks (EvBookmarks *bookmarks)
{
g_return_val_if_fail (EV_IS_BOOKMARKS (bookmarks), NULL);
return g_list_copy (bookmarks->items);
}
void
ev_bookmarks_add (EvBookmarks *bookmarks,
EvBookmark *bookmark)
{
EvBookmark *bm;
g_return_if_fail (EV_IS_BOOKMARKS (bookmarks));
g_return_if_fail (bookmark->title != NULL);
if (g_list_find_custom (bookmarks->items, bookmark, (GCompareFunc)ev_bookmark_compare))
return;
bm = g_slice_new (EvBookmark);
*bm = *bookmark;
bookmarks->items = g_list_append (bookmarks->items, bm);
g_signal_emit (bookmarks, signals[CHANGED], 0);
ev_bookmarks_save (bookmarks);
}
void
ev_bookmarks_delete (EvBookmarks *bookmarks,
EvBookmark *bookmark)
{
GList *bm_link;
g_return_if_fail (EV_IS_BOOKMARKS (bookmarks));
bm_link = g_list_find_custom (bookmarks->items, bookmark, (GCompareFunc)ev_bookmark_compare);
if (!bm_link)
return;
bookmarks->items = g_list_delete_link (bookmarks->items, bm_link);
g_signal_emit (bookmarks, signals[CHANGED], 0);
ev_bookmarks_save (bookmarks);
}
void
ev_bookmarks_update (EvBookmarks *bookmarks,
EvBookmark *bookmark)
{
GList *bm_link;
EvBookmark *bm;
g_return_if_fail (EV_IS_BOOKMARKS (bookmarks));
g_return_if_fail (bookmark->title != NULL);
bm_link = g_list_find_custom (bookmarks->items, bookmark, (GCompareFunc)ev_bookmark_compare);
if (!bm_link)
return;
bm = (EvBookmark *)bm_link->data;
if (strcmp (bookmark->title, bm->title) == 0)
return;
g_free (bm->title);
*bm = *bookmark;
g_signal_emit (bookmarks, signals[CHANGED], 0);
ev_bookmarks_save (bookmarks);
}
|