--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/libgaim/imgstore.c Sun May 20 06:19:49 2007 +0000
@@ -0,0 +1,166 @@
+/**
+ * @file imgstore.h IM Image Store API
+ * @ingroup core
+ *
+ * gaim
+ *
+ * Gaim is the legal property of its developers, whose names are too numerous
+ * to list here. Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+*/
+
+#include <glib.h>
+#include "debug.h"
+#include "imgstore.h"
+
+static GSList *imgstore = NULL;
+static int nextid = 0;
+
+/**
+ * Stored image
+ *
+ * Represents a single IM image awaiting display and/or transmission.
+ * Now that this type is basicly private too, these two structs could
+ * probably be combined.
+ */
+struct _GaimStoredImage
+{
+ char *data; /**< The image data. */
+ size_t size; /**< The image data's size. */
+ char *filename; /**< The filename (for the UI) */
+};
+
+typedef struct
+{
+ int id;
+ int refcount;
+ GaimStoredImage *img;
+} GaimStoredImagePriv;
+
+/* private functions */
+
+static GaimStoredImagePriv *gaim_imgstore_get_priv(int id) {
+ GSList *tmp = imgstore;
+ GaimStoredImagePriv *priv = NULL;
+
+ g_return_val_if_fail(id > 0, NULL);
+
+ while (tmp && !priv) {
+ GaimStoredImagePriv *tmp_priv = tmp->data;
+
+ if (tmp_priv->id == id)
+ priv = tmp_priv;
+
+ tmp = tmp->next;
+ }
+
+ if (!priv)
+ gaim_debug(GAIM_DEBUG_ERROR, "imgstore", "failed to find image id %d\n", id);
+
+ return priv;
+}
+
+static void gaim_imgstore_free_priv(GaimStoredImagePriv *priv) {
+ GaimStoredImage *img = NULL;
+
+ g_return_if_fail(priv != NULL);
+
+ img = priv->img;
+ if (img) {
+ g_free(img->data);
+ g_free(img->filename);
+ g_free(img);
+ }
+
+ gaim_debug(GAIM_DEBUG_INFO, "imgstore", "freed image id %d\n", priv->id);
+
+ g_free(priv);
+
+ imgstore = g_slist_remove(imgstore, priv);
+}
+
+/* public functions */
+
+int gaim_imgstore_add(const void *data, size_t size, const char *filename) {
+ GaimStoredImagePriv *priv;
+ GaimStoredImage *img;
+
+ g_return_val_if_fail(data != NULL, 0);
+ g_return_val_if_fail(size > 0, 0);
+
+ img = g_new0(GaimStoredImage, 1);
+ img->data = g_memdup(data, size);
+ img->size = size;
+ img->filename = g_strdup(filename);
+
+ priv = g_new0(GaimStoredImagePriv, 1);
+ priv->id = ++nextid;
+ priv->refcount = 1;
+ priv->img = img;
+
+ imgstore = g_slist_append(imgstore, priv);
+ gaim_debug(GAIM_DEBUG_INFO, "imgstore", "added image id %d\n", priv->id);
+
+ return priv->id;
+}
+
+GaimStoredImage *gaim_imgstore_get(int id) {
+ GaimStoredImagePriv *priv = gaim_imgstore_get_priv(id);
+
+ g_return_val_if_fail(priv != NULL, NULL);
+
+ gaim_debug(GAIM_DEBUG_INFO, "imgstore", "retrieved image id %d\n", priv->id);
+
+ return priv->img;
+}
+
+gpointer gaim_imgstore_get_data(GaimStoredImage *i) {
+ return i->data;
+}
+
+size_t gaim_imgstore_get_size(GaimStoredImage *i) {
+ return i->size;
+}
+
+const char *gaim_imgstore_get_filename(GaimStoredImage *i) {
+ return i->filename;
+}
+
+void gaim_imgstore_ref(int id) {
+ GaimStoredImagePriv *priv = gaim_imgstore_get_priv(id);
+
+ g_return_if_fail(priv != NULL);
+
+ (priv->refcount)++;
+
+ gaim_debug(GAIM_DEBUG_INFO, "imgstore", "referenced image id %d (count now %d)\n", priv->id, priv->refcount);
+}
+
+void gaim_imgstore_unref(int id) {
+ GaimStoredImagePriv *priv = gaim_imgstore_get_priv(id);
+
+ g_return_if_fail(priv != NULL);
+ g_return_if_fail(priv->refcount > 0);
+
+ (priv->refcount)--;
+
+ gaim_debug(GAIM_DEBUG_INFO, "imgstore", "unreferenced image id %d (count now %d)\n", priv->id, priv->refcount);
+
+ if (priv->refcount == 0)
+ gaim_imgstore_free_priv(priv);
+}