Matthew Barnes
366 lines
8.4 KiB
C
366 lines
8.4 KiB
C
/*
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* e-file-activity.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the program; if not, see <http://www.gnu.org/licenses/>
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*
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*
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* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
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*
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*/
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#include "e-file-activity.h"
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#include <stdarg.h>
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#define E_FILE_ACTIVITY_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE \
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((obj), E_TYPE_FILE_ACTIVITY, EFileActivityPrivate))
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struct _EFileActivityPrivate {
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GCancellable *cancellable;
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GAsyncResult *result;
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GFile *file;
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gulong handler_id;
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};
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enum {
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PROP_0,
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PROP_CANCELLABLE,
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PROP_FILE,
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PROP_RESULT
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};
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static gpointer parent_class;
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static void
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file_activity_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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switch (property_id) {
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case PROP_CANCELLABLE:
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e_file_activity_set_cancellable (
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E_FILE_ACTIVITY (object),
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g_value_get_object (value));
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return;
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case PROP_FILE:
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e_file_activity_set_file (
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E_FILE_ACTIVITY (object),
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g_value_get_object (value));
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return;
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case PROP_RESULT:
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e_file_activity_set_result (
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E_FILE_ACTIVITY (object),
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g_value_get_object (value));
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return;
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}
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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static void
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file_activity_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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switch (property_id) {
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case PROP_CANCELLABLE:
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g_value_set_object (
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value, e_file_activity_get_cancellable (
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E_FILE_ACTIVITY (object)));
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return;
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case PROP_FILE:
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g_value_set_object (
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value, e_file_activity_get_file (
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E_FILE_ACTIVITY (object)));
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return;
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case PROP_RESULT:
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g_value_set_object (
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value, e_file_activity_get_result (
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E_FILE_ACTIVITY (object)));
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return;
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}
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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static void
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file_activity_dispose (GObject *object)
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{
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EFileActivityPrivate *priv;
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priv = E_FILE_ACTIVITY_GET_PRIVATE (object);
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if (priv->cancellable != NULL) {
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g_signal_handler_disconnect (
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priv->cancellable, priv->handler_id);
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g_object_unref (priv->cancellable);
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priv->cancellable = NULL;
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}
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if (priv->result != NULL) {
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g_object_unref (priv->result);
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priv->result = NULL;
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}
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if (priv->file != NULL) {
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g_object_unref (priv->file);
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priv->file = NULL;
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}
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/* Chain up to parent's dispose() method. */
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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file_activity_cancelled (EActivity *activity)
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{
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EFileActivity *file_activity;
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GCancellable *cancellable;
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file_activity = E_FILE_ACTIVITY (activity);
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cancellable = e_file_activity_get_cancellable (file_activity);
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g_cancellable_cancel (cancellable);
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/* Chain up to parent's cancelled() method. */
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E_ACTIVITY_CLASS (parent_class)->cancelled (activity);
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}
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static void
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file_activity_class_init (EFileActivityClass *class)
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{
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GObjectClass *object_class;
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EActivityClass *activity_class;
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parent_class = g_type_class_peek_parent (class);
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g_type_class_add_private (class, sizeof (EFileActivityPrivate));
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object_class = G_OBJECT_CLASS (class);
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object_class->set_property = file_activity_set_property;
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object_class->get_property = file_activity_get_property;
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object_class->dispose = file_activity_dispose;
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activity_class = E_ACTIVITY_CLASS (class);
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activity_class->cancelled = file_activity_cancelled;
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g_object_class_install_property (
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object_class,
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PROP_CANCELLABLE,
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g_param_spec_object (
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"cancellable",
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"Cancellable",
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NULL,
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G_TYPE_CANCELLABLE,
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G_PARAM_READWRITE));
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g_object_class_install_property (
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object_class,
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PROP_FILE,
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g_param_spec_object (
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"file",
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"File",
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NULL,
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G_TYPE_FILE,
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G_PARAM_READWRITE));
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g_object_class_install_property (
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object_class,
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PROP_RESULT,
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g_param_spec_object (
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"result",
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"Result",
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NULL,
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G_TYPE_ASYNC_RESULT,
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G_PARAM_READWRITE));
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}
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static void
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file_activity_init (EFileActivity *file_activity)
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{
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GCancellable *cancellable;
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file_activity->priv = E_FILE_ACTIVITY_GET_PRIVATE (file_activity);
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e_activity_set_allow_cancel (E_ACTIVITY (file_activity), TRUE);
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cancellable = g_cancellable_new ();
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e_file_activity_set_cancellable (file_activity, cancellable);
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g_object_unref (cancellable);
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}
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GType
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e_file_activity_get_type (void)
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{
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static GType type = 0;
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if (G_UNLIKELY (type == 0)) {
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static const GTypeInfo type_info = {
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sizeof (EFileActivityClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) file_activity_class_init,
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(GClassFinalizeFunc) NULL,
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NULL, /* class_data */
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sizeof (EFileActivity),
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0, /* n_preallocs */
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(GInstanceInitFunc) file_activity_init,
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NULL /* value_table */
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};
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type = g_type_register_static (
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E_TYPE_ACTIVITY, "EFileActivity", &type_info, 0);
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}
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return type;
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}
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EActivity *
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e_file_activity_new (const gchar *primary_text)
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{
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return g_object_new (
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E_TYPE_FILE_ACTIVITY,
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"primary-text", primary_text, NULL);
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}
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EActivity *
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e_file_activity_newv (const gchar *format, ...)
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{
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EActivity *activity;
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gchar *primary_text;
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va_list args;
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va_start (args, format);
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primary_text = g_strdup_vprintf (format, args);
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activity = e_file_activity_new (primary_text);
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g_free (primary_text);
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va_end (args);
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return activity;
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}
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GCancellable *
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e_file_activity_get_cancellable (EFileActivity *file_activity)
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{
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g_return_val_if_fail (E_IS_FILE_ACTIVITY (file_activity), NULL);
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return file_activity->priv->cancellable;
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}
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void
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e_file_activity_set_cancellable (EFileActivity *file_activity,
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GCancellable *cancellable)
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{
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g_return_if_fail (E_IS_FILE_ACTIVITY (file_activity));
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if (cancellable != NULL) {
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g_return_if_fail (G_IS_CANCELLABLE (cancellable));
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g_object_ref (cancellable);
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}
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if (file_activity->priv->cancellable != NULL) {
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g_signal_handler_disconnect (
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file_activity->priv->cancellable,
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file_activity->priv->handler_id);
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g_object_unref (file_activity->priv->cancellable);
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file_activity->priv->handler_id = 0;
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}
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file_activity->priv->cancellable = cancellable;
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if (cancellable != NULL)
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file_activity->priv->handler_id =
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g_signal_connect_swapped (
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cancellable, "cancelled",
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G_CALLBACK (e_activity_cancel),
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file_activity);
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g_object_notify (G_OBJECT (file_activity), "cancellable");
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}
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GFile *
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e_file_activity_get_file (EFileActivity *file_activity)
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{
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g_return_val_if_fail (E_IS_FILE_ACTIVITY (file_activity), NULL);
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return file_activity->priv->file;
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}
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void
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e_file_activity_set_file (EFileActivity *file_activity,
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GFile *file)
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{
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g_return_if_fail (E_IS_FILE_ACTIVITY (file_activity));
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if (file != NULL) {
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g_return_if_fail (G_IS_FILE (file));
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g_object_ref (file);
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}
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if (file_activity->priv->file != NULL)
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g_object_unref (file_activity->priv->file);
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file_activity->priv->file = file;
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g_object_notify (G_OBJECT (file_activity), "file");
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}
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GAsyncResult *
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e_file_activity_get_result (EFileActivity *file_activity)
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{
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g_return_val_if_fail (E_IS_FILE_ACTIVITY (file_activity), NULL);
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return file_activity->priv->result;
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}
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void
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e_file_activity_set_result (EFileActivity *file_activity,
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GAsyncResult *result)
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{
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g_return_if_fail (E_IS_FILE_ACTIVITY (file_activity));
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if (result != NULL) {
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g_return_if_fail (G_IS_ASYNC_RESULT (result));
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g_object_ref (result);
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}
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if (file_activity->priv->result != NULL)
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g_object_unref (file_activity->priv->result);
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file_activity->priv->result = result;
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g_object_notify (G_OBJECT (file_activity), "result");
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}
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void
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e_file_activity_progress (goffset current_num_bytes,
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goffset total_num_bytes,
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gpointer activity)
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{
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gdouble percent = -1.0;
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g_return_if_fail (E_IS_ACTIVITY (activity));
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if (current_num_bytes > 0 && total_num_bytes > 0)
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percent = (gdouble) current_num_bytes / total_num_bytes;
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e_activity_set_percent (activity, percent);
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}
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