sugar-toolkit-gtk3/browser/sugar-download-manager.c
2007-04-07 13:17:36 +02:00

166 lines
4.7 KiB
C

#include "sugar-marshal.h"
#include "sugar-download.h"
#include "sugar-download-manager.h"
enum {
DOWNLOAD_STARTED,
DOWNLOAD_COMPLETED,
DOWNLOAD_CANCELLED,
DOWNLOAD_PROGRESS,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static void sugar_download_manager_finalize (GObject *object);
static void sugar_download_remove_download (gpointer key, gpointer value, gpointer user_data);
G_DEFINE_TYPE (SugarDownloadManager, sugar_download_manager, G_TYPE_OBJECT)
SugarDownloadManager *DownloadManager = NULL;
static void
sugar_download_manager_init (SugarDownloadManager *download_manager)
{
download_manager->downloads = g_hash_table_new (g_str_hash, g_str_equal);
}
static void
sugar_download_manager_class_init (SugarDownloadManagerClass *download_manager_class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (download_manager_class);
gobject_class->finalize = sugar_download_manager_finalize;
signals[DOWNLOAD_STARTED] =
g_signal_new ("download-started",
G_OBJECT_CLASS_TYPE (download_manager_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (SugarDownloadManagerClass, handle_content),
NULL, NULL,
sugar_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
G_TYPE_OBJECT);
signals[DOWNLOAD_COMPLETED] =
g_signal_new ("download-completed",
G_OBJECT_CLASS_TYPE (download_manager_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (SugarDownloadManagerClass, handle_content),
NULL, NULL,
sugar_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
G_TYPE_OBJECT);
signals[DOWNLOAD_CANCELLED] =
g_signal_new ("download-cancelled",
G_OBJECT_CLASS_TYPE (download_manager_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (SugarDownloadManagerClass, handle_content),
NULL, NULL,
sugar_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
G_TYPE_OBJECT);
signals[DOWNLOAD_PROGRESS] =
g_signal_new ("download-progress",
G_OBJECT_CLASS_TYPE (download_manager_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (SugarDownloadManagerClass, handle_content),
NULL, NULL,
sugar_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
G_TYPE_OBJECT);
}
static void
sugar_download_manager_finalize (GObject *object)
{
SugarDownloadManager *download_manager = SUGAR_DOWNLOAD_MANAGER (object);
g_hash_table_foreach (download_manager->downloads, sugar_download_remove_download, NULL);
g_hash_table_destroy (download_manager->downloads);
}
static void
sugar_download_remove_download (gpointer key, gpointer value, gpointer user_data)
{
g_free (value);
}
SugarDownloadManager *
sugar_get_download_manager ()
{
if (DownloadManager == NULL)
DownloadManager = g_object_new (SUGAR_TYPE_DOWNLOAD_MANAGER, NULL);
return DownloadManager;
}
void
sugar_download_manager_download_started (SugarDownloadManager *download_manager,
const char *url,
const char *mime_type,
const char *file_name)
{
SugarDownload *download = (SugarDownload *) g_hash_table_lookup (
download_manager->downloads,
file_name);
g_return_if_fail (download == NULL);
download = g_object_new (SUGAR_TYPE_DOWNLOAD, NULL);
sugar_download_set_url (download, url);
sugar_download_set_mime_type (download, mime_type);
sugar_download_set_file_name (download, file_name);
g_hash_table_insert (download_manager->downloads,
(gpointer)file_name,
download);
g_signal_emit (download_manager, signals[DOWNLOAD_STARTED], 0, download);
}
void
sugar_download_manager_download_completed (SugarDownloadManager *download_manager,
const char *file_name)
{
SugarDownload *download = (SugarDownload *) g_hash_table_lookup (
download_manager->downloads,
file_name);
g_return_if_fail (download);
g_signal_emit (download_manager, signals[DOWNLOAD_COMPLETED], 0, download);
g_hash_table_remove (download_manager->downloads, file_name);
}
void sugar_download_manager_download_cancelled (SugarDownloadManager *download_manager,
const char *file_name)
{
SugarDownload *download = (SugarDownload *) g_hash_table_lookup (
download_manager->downloads,
file_name);
g_return_if_fail (download);
g_signal_emit (download_manager, signals[DOWNLOAD_CANCELLED], 0, download);
g_hash_table_remove (download_manager->downloads, file_name);
}
void
sugar_download_manager_update_progress (SugarDownloadManager *download_manager,
const char *file_name,
const int percent)
{
SugarDownload *download = (SugarDownload *) g_hash_table_lookup (
download_manager->downloads,
file_name);
g_return_if_fail (download);
sugar_download_set_percent (download, percent);
g_signal_emit (download_manager, signals [DOWNLOAD_PROGRESS], 0, download);
}