diff options
Diffstat (limited to 'e-util/e-timeout-activity.c')
| -rw-r--r-- | e-util/e-timeout-activity.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/e-util/e-timeout-activity.c b/e-util/e-timeout-activity.c new file mode 100644 index 0000000000..aa57960fe0 --- /dev/null +++ b/e-util/e-timeout-activity.c @@ -0,0 +1,198 @@ +/* + * e-timeout-activity.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include "e-timeout-activity.h" + +#include <stdarg.h> + +#define E_TIMEOUT_ACTIVITY_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE \ + ((obj), E_TYPE_TIMEOUT_ACTIVITY, ETimeoutActivityPrivate)) + +struct _ETimeoutActivityPrivate { + guint timeout_id; +}; + +enum { + TIMEOUT, + LAST_SIGNAL +}; + +static gpointer parent_class; +static gulong signals[LAST_SIGNAL]; + +static gboolean +timeout_activity_cb (ETimeoutActivity *timeout_activity) +{ + g_signal_emit (timeout_activity, signals[TIMEOUT], 0); + + return FALSE; +} + +static void +timeout_activity_finalize (GObject *object) +{ + ETimeoutActivityPrivate *priv; + + priv = E_TIMEOUT_ACTIVITY_GET_PRIVATE (object); + + if (priv->timeout_id > 0) + g_source_remove (priv->timeout_id); + + /* Chain up to parent's finalize() method. */ + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +timeout_activity_cancelled (EActivity *activity) +{ + ETimeoutActivityPrivate *priv; + + priv = E_TIMEOUT_ACTIVITY_GET_PRIVATE (activity); + + if (priv->timeout_id > 0) { + g_source_remove (priv->timeout_id); + priv->timeout_id = 0; + } + + /* Chain up to parent's cancelled() method. */ + E_ACTIVITY_CLASS (parent_class)->cancelled (activity); +} + +static void +timeout_activity_completed (EActivity *activity) +{ + ETimeoutActivityPrivate *priv; + + priv = E_TIMEOUT_ACTIVITY_GET_PRIVATE (activity); + + if (priv->timeout_id > 0) { + g_source_remove (priv->timeout_id); + priv->timeout_id = 0; + } + + /* Chain up to parent's completed() method. */ + E_ACTIVITY_CLASS (parent_class)->completed (activity); +} + +static void +timeout_activity_timeout (ETimeoutActivity *timeout_activity) +{ + /* Allow subclasses to safely chain up. */ +} + +static void +timeout_activity_class_init (ETimeoutActivityClass *class) +{ + GObjectClass *object_class; + EActivityClass *activity_class; + + parent_class = g_type_class_peek_parent (class); + g_type_class_add_private (class, sizeof (ETimeoutActivityPrivate)); + + object_class = G_OBJECT_CLASS (class); + object_class->finalize = timeout_activity_finalize; + + activity_class = E_ACTIVITY_CLASS (class); + activity_class->cancelled = timeout_activity_cancelled; + activity_class->completed = timeout_activity_completed; + + class->timeout = timeout_activity_timeout; + + signals[TIMEOUT] = g_signal_new ( + "timeout", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (ETimeoutActivityClass, timeout), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); +} + +static void +timeout_activity_init (ETimeoutActivity *timeout_activity) +{ + timeout_activity->priv = + E_TIMEOUT_ACTIVITY_GET_PRIVATE (timeout_activity); +} + +GType +e_timeout_activity_get_type (void) +{ + static GType type = 0; + + if (G_UNLIKELY (type == 0)) { + static const GTypeInfo type_info = { + sizeof (ETimeoutActivityClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) timeout_activity_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (ETimeoutActivity), + 0, /* n_preallocs */ + (GInstanceInitFunc) timeout_activity_init, + NULL /* value_table */ + }; + + type = g_type_register_static ( + E_TYPE_ACTIVITY, "ETimeoutActivity", &type_info, 0); + } + + return type; +} + +EActivity * +e_timeout_activity_new (const gchar *primary_text) +{ + return g_object_new ( + E_TYPE_TIMEOUT_ACTIVITY, + "primary-text", primary_text, NULL); +} + +EActivity * +e_timeout_activity_newv (const gchar *format, ...) +{ + EActivity *activity; + gchar *primary_text; + va_list args; + + va_start (args, format); + primary_text = g_strdup_vprintf (format, args); + activity = e_timeout_activity_new (primary_text); + g_free (primary_text); + va_end (args); + + return activity; +} + +void +e_timeout_activity_set_timeout (ETimeoutActivity *timeout_activity, + guint seconds) +{ + g_return_if_fail (E_IS_TIMEOUT_ACTIVITY (timeout_activity)); + + if (timeout_activity->priv->timeout_id > 0) + e_activity_cancel (E_ACTIVITY (timeout_activity)); + + timeout_activity->priv->timeout_id = g_timeout_add_seconds ( + seconds, (GSourceFunc) timeout_activity_cb, timeout_activity); +} |