--- /dev/null
+/* Copyright (c) 2006, Nokia Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the Nokia Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <config.h>
+#include <modest-cache-mgr.h>
+
+/* 'private'/'protected' functions */
+static void modest_cache_mgr_class_init (ModestCacheMgrClass *klass);
+static void modest_cache_mgr_init (ModestCacheMgr *obj);
+static void modest_cache_mgr_finalize (GObject *obj);
+/* list my signals */
+enum {
+ /* MY_SIGNAL_1, */
+ /* MY_SIGNAL_2, */
+ LAST_SIGNAL
+};
+
+typedef struct _ModestCacheMgrPrivate ModestCacheMgrPrivate;
+struct _ModestCacheMgrPrivate {
+ GHashTable *date_str_cache;
+ GHashTable *display_str_cache;
+ GHashTable *pixbuf_cache;
+};
+#define MODEST_CACHE_MGR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \
+ MODEST_TYPE_CACHE_MGR, \
+ ModestCacheMgrPrivate))
+/* globals */
+static GObjectClass *parent_class = NULL;
+
+/* uncomment the following if you have defined any signals */
+/* static guint signals[LAST_SIGNAL] = {0}; */
+
+GType
+modest_cache_mgr_get_type (void)
+{
+ static GType my_type = 0;
+ if (!my_type) {
+ static const GTypeInfo my_info = {
+ sizeof(ModestCacheMgrClass),
+ NULL, /* base init */
+ NULL, /* base finalize */
+ (GClassInitFunc) modest_cache_mgr_class_init,
+ NULL, /* class finalize */
+ NULL, /* class data */
+ sizeof(ModestCacheMgr),
+ 1, /* n_preallocs */
+ (GInstanceInitFunc) modest_cache_mgr_init,
+ NULL
+ };
+ my_type = g_type_register_static (G_TYPE_OBJECT,
+ "ModestCacheMgr",
+ &my_info, 0);
+ }
+ return my_type;
+}
+
+static void
+modest_cache_mgr_class_init (ModestCacheMgrClass *klass)
+{
+ GObjectClass *gobject_class;
+ gobject_class = (GObjectClass*) klass;
+
+ parent_class = g_type_class_peek_parent (klass);
+ gobject_class->finalize = modest_cache_mgr_finalize;
+
+ g_type_class_add_private (gobject_class, sizeof(ModestCacheMgrPrivate));
+}
+
+
+static
+void pixbuf_unref (GObject *pixbuf)
+{
+ if (pixbuf)
+ g_object_unref (pixbuf);
+}
+
+static void
+modest_cache_mgr_init (ModestCacheMgr *obj)
+{
+ ModestCacheMgrPrivate *priv;
+
+ priv = MODEST_CACHE_MGR_GET_PRIVATE(obj);
+
+ priv->date_str_cache =
+ g_hash_table_new_full (g_int_hash, /* time_t */
+ g_int_equal,
+ NULL, /* int -> no need to free */
+ g_free); /* gchar* */
+ priv->display_str_cache =
+ g_hash_table_new_full (g_str_hash, /* gchar* */
+ g_str_equal,
+ g_free, /* gchar* */
+ g_free); /* gchar* */
+ priv->pixbuf_cache =
+ g_hash_table_new_full (g_str_hash, /* gchar* */
+ g_str_equal,
+ g_free, /* gchar*/
+ (GDestroyNotify)pixbuf_unref);
+}
+
+
+static void
+modest_cache_mgr_finalize (GObject *obj)
+{
+ ModestCacheMgr *self;
+ self = MODEST_CACHE_MGR(obj);
+
+ ModestCacheMgrPrivate *priv;
+ priv = MODEST_CACHE_MGR_GET_PRIVATE(obj);
+
+ modest_cache_mgr_flush_all (self);
+
+ priv->date_str_cache = NULL;
+ priv->display_str_cache = NULL;
+ priv->pixbuf_cache = NULL;
+
+ G_OBJECT_CLASS(parent_class)->finalize (obj);
+}
+
+static GHashTable*
+get_cache (ModestCacheMgrPrivate *priv, ModestCacheMgrCacheType type)
+{
+ switch (type) {
+ case MODEST_CACHE_MGR_CACHE_TYPE_DATE_STRING:
+ return priv->date_str_cache;
+ case MODEST_CACHE_MGR_CACHE_TYPE_DISPLAY_STRING:
+ return priv->display_str_cache;
+ case MODEST_CACHE_MGR_CACHE_TYPE_PIXBUF:
+ return priv->pixbuf_cache;
+ default:
+ g_return_val_if_reached(NULL); /* should not happen */
+ }
+}
+
+
+ModestCacheMgr*
+modest_cache_mgr_new (void)
+{
+ return MODEST_CACHE_MGR(g_object_new(MODEST_TYPE_CACHE_MGR, NULL));
+}
+
+
+GHashTable*
+modest_cache_mgr_get_cache (ModestCacheMgr* self, ModestCacheMgrCacheType type)
+{
+ ModestCacheMgrPrivate *priv;
+ GHashTable *cache;
+
+ g_return_val_if_fail (self, NULL);
+ g_return_val_if_fail (type >= 0 && type <= MODEST_CACHE_MGR_CACHE_TYPE_NUM, NULL);
+
+ priv = MODEST_CACHE_MGR_GET_PRIVATE(self);
+
+ cache = get_cache (priv, type);
+ return cache;
+}
+
+
+void
+modest_cache_mgr_flush (ModestCacheMgr *self, ModestCacheMgrCacheType type)
+{
+ ModestCacheMgrPrivate *priv;
+ GHashTable *cache;
+
+ g_return_if_fail (self);
+ g_return_if_fail (type >= 0 && type <= MODEST_CACHE_MGR_CACHE_TYPE_NUM);
+
+ priv = MODEST_CACHE_MGR_GET_PRIVATE(self);
+ cache = get_cache (priv, type);
+
+ if (cache)
+ g_hash_table_remove_all (cache);
+}
+
+
+void
+modest_cache_mgr_flush_all (ModestCacheMgr *self)
+{
+ int i;
+ g_return_if_fail (self);
+
+ for (i = 0; i != MODEST_CACHE_MGR_CACHE_TYPE_NUM; ++i)
+ modest_cache_mgr_flush (self, i);
+}
+
+
+guint
+modest_cache_mgr_get_size (ModestCacheMgr *self, ModestCacheMgrCacheType type)
+{
+ ModestCacheMgrPrivate *priv;
+ GHashTable *cache;
+
+ priv = MODEST_CACHE_MGR_GET_PRIVATE(self);
+
+ g_return_val_if_fail (self, 0);
+ g_return_val_if_fail (type >= 0 && type <= MODEST_CACHE_MGR_CACHE_TYPE_NUM, 0);
+
+ cache = get_cache (priv, type);
+ return cache ? g_hash_table_size (cache) : 0;
+}
--- /dev/null
+/* Copyright (c) 2006, Nokia Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the Nokia Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#ifndef __MODEST_CACHE_MGR_H__
+#define __MODEST_CACHE_MGR_H__
+
+#include <glib-object.h>
+G_BEGIN_DECLS
+
+/* convenience macros */
+#define MODEST_TYPE_CACHE_MGR (modest_cache_mgr_get_type())
+#define MODEST_CACHE_MGR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),MODEST_TYPE_CACHE_MGR,ModestCacheMgr))
+#define MODEST_CACHE_MGR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),MODEST_TYPE_CACHE_MGR,GObject))
+#define MODEST_IS_CACHE_MGR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),MODEST_TYPE_CACHE_MGR))
+#define MODEST_IS_CACHE_MGR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),MODEST_TYPE_CACHE_MGR))
+#define MODEST_CACHE_MGR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),MODEST_TYPE_CACHE_MGR,ModestCacheMgrClass))
+
+typedef struct _ModestCacheMgr ModestCacheMgr;
+typedef struct _ModestCacheMgrClass ModestCacheMgrClass;
+
+struct _ModestCacheMgr {
+ GObject parent;
+ /* insert public members, if any */
+};
+
+struct _ModestCacheMgrClass {
+ GObjectClass parent_class;
+};
+
+/*
+ * the caches managed by this class
+ */
+typedef enum {
+ MODEST_CACHE_MGR_CACHE_TYPE_DATE_STRING, /* time_t => string */
+ MODEST_CACHE_MGR_CACHE_TYPE_DISPLAY_STRING, /* gchar* => gchar* */
+ MODEST_CACHE_MGR_CACHE_TYPE_PIXBUF, /* gchar* => GdkPixbuf */
+
+ MODEST_CACHE_MGR_CACHE_TYPE_NUM
+} ModestCacheMgrCacheType;
+
+
+/**
+ * modest_cache_mgr_get_type:
+ *
+ * get the GType for ModestCacheMgr
+ *
+ * Returns: the GType
+ */
+GType modest_cache_mgr_get_type (void) G_GNUC_CONST;
+
+
+/**
+ * modest_cache_mgr_new:
+ *
+ * instantiate a new cache_mgr object
+ *
+ * Returns: a new cache_mgr or NULL in case of error
+ */
+ModestCacheMgr* modest_cache_mgr_new (void);
+
+/**
+ * modest_cache_mgr_get_cache:
+ * @self: a valid cache mgr obj
+ * @type: a valid cache mgr cache type
+ *
+ * get the cache (GHashTable) of the requested type
+ *
+ * Returns: the requested cache (GHashTable) or NULL in case caching
+ * has been disabled (MODEST_DEBUG_DISABLE_CACHE); clients are supposed
+ * to handle that case
+ *
+ * the returned hashtable should NOT be destroyed or unref'd.
+ */
+GHashTable* modest_cache_mgr_get_cache (ModestCacheMgr* self, ModestCacheMgrCacheType type);
+
+
+/**
+ * modest_cache_mgr_flush
+ * @self: a valid cache mgr obj
+ * @type: a valid cache mgr cache type
+ *
+ * flush the cache (hashtable) of the given type
+ */
+void modest_cache_mgr_flush (ModestCacheMgr *self, ModestCacheMgrCacheType type);
+
+
+/**
+ * modest_cache_mgr_flush
+ * @self: a valid cache mgr obj
+ *
+ * flush all caches
+ */
+void modest_cache_mgr_flush_all (ModestCacheMgr *self);
+
+
+/**
+ * modest_cache_mgr_get_size
+ * @self: a valid cache mgr obj
+ * @type: a valid cache mgr cache type
+ *
+ * get the size (number of <key,value>-pairs) in the cache
+ *
+ * Returns: the size of the give cache type
+ */
+guint modest_cache_mgr_get_size (ModestCacheMgr *self, ModestCacheMgrCacheType type);
+
+G_END_DECLS
+
+#endif /* __MODEST_CACHE_MGR_H__ */
+
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