bool ro_gui_download_save(struct gui_download_window *dw,
const char *file_name, bool force_overwrite)
{
fileswitch_object_type obj_type;
const char *temp_name;
os_error *error;
if (dw->saved || dw->error)
return true;
temp_name = ro_gui_download_temp_name(dw);
/* does the user want to check for collisions when saving? */
if (!force_overwrite) {
/* check whether the destination file/dir already exists */
error = xosfile_read_stamped(file_name, &obj_type,
NULL, NULL, NULL, NULL, NULL);
if (error) {
LOG(("xosfile_read_stamped: 0x%x:%s", error->errnum, error->errmess));
return false;
}
switch (obj_type) {
case osfile_NOT_FOUND:
break;
case osfile_IS_FILE:
dw->query = query_user("OverwriteFile", NULL, &overwrite_funcs, dw,
messages_get("Replace"), messages_get("DontReplace"));
dw->query_rsn = QueryRsn_Overwrite;
return false;
default:
error = xosfile_make_error(file_name, obj_type);
assert(error);
warn_user("SaveError", error->errmess);
return false;
}
}
if (!ro_gui_download_check_space(dw, file_name, temp_name)) {
warn_user("SaveError", messages_get("NoDiscSpace"));
return false;
}
error = ro_gui_download_move(dw, file_name, temp_name);
if (error) {
warn_user("SaveError", error->errmess);
/* try to reopen at old location so that the download can continue
to the temporary file */
error = xosfind_openupw(osfind_NO_PATH | osfind_ERROR_IF_DIR,
temp_name, 0, &dw->file);
if (error) {
LOG(("xosfind_openupw: 0x%x: %s",
error->errnum, error->errmess));
} else {
error = xosargs_set_ptrw(dw->file, dw->received);
if (error) {
LOG(("xosargs_set_ptrw: 0x%x: %s",
error->errnum, error->errmess));
}
}
if (error) {
if (dw->ctx)
download_context_abort(dw->ctx);
gui_download_window_error(dw, error->errmess);
}
return false;
}
dw->saved = true;
strncpy(dw->path, file_name, sizeof dw->path);
if (!dw->send_dataload || dw->save_message.data.data_xfer.est_size != -1)
ro_gui_download_remember_dir(file_name);
/* grey out file icon */
error = xwimp_set_icon_state(dw->window, ICON_DOWNLOAD_ICON,
wimp_ICON_SHADED, wimp_ICON_SHADED);
if (error) {
LOG(("xwimp_set_icon_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
/* hide writeable path icon and show destination icon
Note: must redraw icon bounding box because the destination icon
has rounded edges on RISC OS Select/Adjust and doesn't
completely cover the writeable icon */
ro_gui_force_redraw_icon(dw->window, ICON_DOWNLOAD_PATH);
error = xwimp_set_icon_state(dw->window, ICON_DOWNLOAD_PATH,
wimp_ICON_DELETED, wimp_ICON_DELETED);
if (error) {
LOG(("xwimp_set_icon_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
error = xwimp_set_icon_state(dw->window,
ICON_DOWNLOAD_DESTINATION, wimp_ICON_DELETED, 0);
if (error) {
LOG(("xwimp_set_icon_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
ro_gui_download_window_hide_caret(dw);
return true;
}
struct gui_download_window *gui_download_window_create(download_context *ctx,
struct gui_window *gui)
{
const char *url = download_context_get_url(ctx);
const char *mime_type = download_context_get_mime_type(ctx);
const char *temp_name;
char *scheme = NULL;
char *filename = NULL;
struct gui_download_window *dw;
bool space_warning = false;
os_error *error;
url_func_result res;
char *local_path;
utf8_convert_ret err;
size_t i, last_dot;
dw = malloc(sizeof *dw);
if (!dw) {
warn_user("NoMemory", 0);
return 0;
}
dw->ctx = ctx;
dw->saved = false;
dw->close_confirmed = false;
dw->error = false;
dw->query = QUERY_INVALID;
dw->received = 0;
dw->total_size = download_context_get_total_length(ctx);
strncpy(dw->url, url, sizeof dw->url);
dw->url[sizeof dw->url - 1] = 0;
dw->status[0] = 0;
gettimeofday(&dw->start_time, 0);
dw->last_time = dw->start_time;
dw->last_received = 0;
dw->file_type = 0;
dw->average_rate = 0;
dw->average_points = 0;
/* Get scheme from URL */
res = url_scheme(url, &scheme);
if (res == URL_FUNC_NOMEM) {
warn_user("NoMemory", 0);
free(dw);
return 0;
} else if (res == URL_FUNC_OK) {
/* If we have a scheme and it's "file", then
* attempt to use the local filetype directly */
if (strcasecmp(scheme, "file") == 0) {
char *path = NULL;
res = url_path(url, &path);
if (res == URL_FUNC_NOMEM) {
warn_user("NoMemory", 0);
free(scheme);
free(dw);
return 0;
} else if (res == URL_FUNC_OK) {
char *raw_path = curl_unescape(path,
strlen(path));
if (raw_path == NULL) {
warn_user("NoMemory", 0);
free(path);
free(scheme);
free(dw);
return 0;
}
dw->file_type =
ro_filetype_from_unix_path(raw_path);
curl_free(raw_path);
free(path);
}
}
free(scheme);
}
/* If we still don't have a filetype (i.e. failed reading local
* one or fetching a remote object), then use the MIME type */
if (dw->file_type == 0) {
/* convert MIME type to RISC OS file type */
error = xmimemaptranslate_mime_type_to_filetype(mime_type,
&(dw->file_type));
if (error) {
LOG(("xmimemaptranslate_mime_type_to_filetype: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
dw->file_type = 0xffd;
}
}
/* open temporary output file */
temp_name = ro_gui_download_temp_name(dw);
if (!ro_gui_download_check_space(dw, temp_name, NULL)) {
/* issue a warning but continue with the download because the
user can save it to another medium whilst it's downloading */
space_warning = true;
}
error = xosfind_openoutw(osfind_NO_PATH | osfind_ERROR_IF_DIR,
temp_name, 0, &dw->file);
if (error) {
LOG(("xosfind_openoutw: 0x%x: %s",
error->errnum, error->errmess));
warn_user("SaveError", error->errmess);
free(dw);
return 0;
}
/* fill in download window icons */
download_template->icons[ICON_DOWNLOAD_URL].data.indirected_text.text =
dw->url;
download_template->icons[ICON_DOWNLOAD_URL].data.indirected_text.size =
sizeof dw->url;
download_template->icons[ICON_DOWNLOAD_STATUS].data.indirected_text.
text = dw->status;
download_template->icons[ICON_DOWNLOAD_STATUS].data.indirected_text.
size = sizeof dw->status;
sprintf(dw->sprite_name, "file_%.3x", dw->file_type);
if (!ro_gui_wimp_sprite_exists(dw->sprite_name))
strcpy(dw->sprite_name, "file_xxx");
download_template->icons[ICON_DOWNLOAD_ICON].data.indirected_sprite.id =
(osspriteop_id) dw->sprite_name;
/* Get a suitable path- and leafname for the download. */
temp_name = download_context_get_filename(dw->ctx);
if (temp_name == NULL)
temp_name = messages_get("SaveObject");
if (temp_name != NULL)
filename = strdup(temp_name);
if (filename == NULL) {
LOG(("Failed to establish download filename."));
warn_user("SaveError", error->errmess);
free(dw);
return 0;
}
for (i = 0, last_dot = (size_t) -1; filename[i] != '\0'; i++) {
const char c = filename[i];
if (c == '.') {
last_dot = i;
filename[i] = '/';
} else if (c <= ' ' || strchr(":*#$&@^%\\", c) != NULL)
filename[i] = '_';
}
if (option_strip_extensions && last_dot != (size_t) -1)
filename[last_dot] = '\0';
if (download_dir != NULL && strlen(download_dir) > 0)
snprintf(dw->path, RO_DOWNLOAD_MAX_PATH_LEN, "%s.%s",
download_dir, filename);
else
snprintf(dw->path, RO_DOWNLOAD_MAX_PATH_LEN, "%s",
filename);
err = utf8_to_local_encoding(dw->path, 0, &local_path);
if (err != UTF8_CONVERT_OK) {
/* badenc should never happen */
assert(err != UTF8_CONVERT_BADENC);
LOG(("utf8_to_local_encoding failed"));
warn_user("NoMemory", 0);
free(dw);
return 0;
}
else {
strncpy(dw->path, local_path, sizeof dw->path);
free(local_path);
}
download_template->icons[ICON_DOWNLOAD_PATH].data.indirected_text.text =
dw->path;
download_template->icons[ICON_DOWNLOAD_PATH].data.indirected_text.size =
sizeof dw->path;
download_template->icons[ICON_DOWNLOAD_DESTINATION].data.
indirected_text.text = dw->path;
download_template->icons[ICON_DOWNLOAD_DESTINATION].data.
indirected_text.size = sizeof dw->path;
download_template->icons[ICON_DOWNLOAD_DESTINATION].flags |=
wimp_ICON_DELETED;
/* create and open the download window */
error = xwimp_create_window(download_template, &dw->window);
if (error) {
LOG(("xwimp_create_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
free(dw);
return 0;
}
dw->prev = 0;
dw->next = download_window_list;
if (download_window_list)
download_window_list->prev = dw;
download_window_list = dw;
ro_gui_download_update_status(dw);
ro_gui_dialog_open(dw->window);
ro_gui_wimp_event_set_user_data(dw->window, dw);
ro_gui_wimp_event_register_mouse_click(dw->window, ro_gui_download_click);
ro_gui_wimp_event_register_keypress(dw->window, ro_gui_download_keypress);
ro_gui_wimp_event_register_close_window(dw->window, ro_gui_download_close);
/* issue the warning now, so that it appears in front of the download
* window! */
if (space_warning)
warn_user("DownloadWarn", messages_get("NoDiscSpace"));
return dw;
}
static struct gui_download_window *
gui_download_window_create(download_context *ctx, struct gui_window *gui)
{
nsurl *url = download_context_get_url(ctx);
const char *temp_name;
char *filename = NULL;
struct gui_download_window *dw;
bool space_warning = false;
os_error *error;
char *local_path;
nserror err;
size_t i, last_dot;
dw = malloc(sizeof *dw);
if (!dw) {
ro_warn_user("NoMemory", 0);
return 0;
}
dw->ctx = ctx;
dw->saved = false;
dw->close_confirmed = false;
dw->error = false;
dw->query = QUERY_INVALID;
dw->received = 0;
dw->total_size = download_context_get_total_length(ctx);
/** @todo change this to take a reference to the nsurl and use
* that value directly rather than using a fixed buffer.
*/
strncpy(dw->url, nsurl_access(url), sizeof dw->url);
dw->url[sizeof dw->url - 1] = 0;
dw->status[0] = 0;
gettimeofday(&dw->start_time, 0);
dw->last_time = dw->start_time;
dw->last_received = 0;
dw->file_type = 0;
dw->average_rate = 0;
dw->average_points = 0;
/* get filetype */
err = download_ro_filetype(ctx, &dw->file_type);
if (err != NSERROR_OK) {
ro_warn_user(messages_get_errorcode(err), 0);
free(dw);
return 0;
}
/* open temporary output file */
temp_name = ro_gui_download_temp_name(dw);
if (!ro_gui_download_check_space(dw, temp_name, NULL)) {
/* issue a warning but continue with the download because the
user can save it to another medium whilst it's downloading */
space_warning = true;
}
error = xosfind_openoutw(osfind_NO_PATH | osfind_ERROR_IF_DIR,
temp_name, 0, &dw->file);
if (error) {
LOG("xosfind_openoutw: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("SaveError", error->errmess);
free(dw);
return 0;
}
/* fill in download window icons */
download_template->icons[ICON_DOWNLOAD_URL].data.indirected_text.text =
dw->url;
download_template->icons[ICON_DOWNLOAD_URL].data.indirected_text.size =
sizeof dw->url;
download_template->icons[ICON_DOWNLOAD_STATUS].data.indirected_text.
text = dw->status;
download_template->icons[ICON_DOWNLOAD_STATUS].data.indirected_text.
size = sizeof dw->status;
sprintf(dw->sprite_name, "file_%.3x", dw->file_type);
if (!ro_gui_wimp_sprite_exists(dw->sprite_name))
strcpy(dw->sprite_name, "file_xxx");
download_template->icons[ICON_DOWNLOAD_ICON].data.indirected_sprite.id =
(osspriteop_id) dw->sprite_name;
/* Get a suitable path- and leafname for the download. */
temp_name = download_context_get_filename(dw->ctx);
if (temp_name == NULL)
temp_name = messages_get("SaveObject");
if (temp_name != NULL)
filename = strdup(temp_name);
if (filename == NULL) {
LOG("Failed to establish download filename.");
ro_warn_user("SaveError", error->errmess);
free(dw);
return 0;
}
for (i = 0, last_dot = (size_t) -1; filename[i] != '\0'; i++) {
const char c = filename[i];
if (c == '.') {
last_dot = i;
filename[i] = '/';
} else if (c <= ' ' || strchr(":*#$&@^%\\", c) != NULL)
filename[i] = '_';
}
if (nsoption_bool(strip_extensions) && last_dot != (size_t) -1)
filename[last_dot] = '\0';
if (download_dir != NULL && strlen(download_dir) > 0)
snprintf(dw->path, RO_DOWNLOAD_MAX_PATH_LEN, "%s.%s",
download_dir, filename);
else
snprintf(dw->path, RO_DOWNLOAD_MAX_PATH_LEN, "%s",
filename);
free(filename);
err = utf8_to_local_encoding(dw->path, 0, &local_path);
if (err != NSERROR_OK) {
/* badenc should never happen */
assert(err !=NSERROR_BAD_ENCODING);
LOG("utf8_to_local_encoding failed");
ro_warn_user("NoMemory", 0);
free(dw);
return 0;
}
else {
strncpy(dw->path, local_path, sizeof dw->path);
free(local_path);
}
download_template->icons[ICON_DOWNLOAD_PATH].data.indirected_text.text =
dw->path;
download_template->icons[ICON_DOWNLOAD_PATH].data.indirected_text.size =
sizeof dw->path;
download_template->icons[ICON_DOWNLOAD_DESTINATION].data.
indirected_text.text = dw->path;
download_template->icons[ICON_DOWNLOAD_DESTINATION].data.
indirected_text.size = sizeof dw->path;
download_template->icons[ICON_DOWNLOAD_DESTINATION].flags |=
wimp_ICON_DELETED;
/* create and open the download window */
error = xwimp_create_window(download_template, &dw->window);
if (error) {
LOG("xwimp_create_window: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
free(dw);
return 0;
}
dw->prev = 0;
dw->next = download_window_list;
if (download_window_list)
download_window_list->prev = dw;
download_window_list = dw;
ro_gui_download_update_status(dw);
ro_gui_dialog_open(dw->window);
ro_gui_wimp_event_set_user_data(dw->window, dw);
ro_gui_wimp_event_register_mouse_click(dw->window, ro_gui_download_click);
ro_gui_wimp_event_register_keypress(dw->window, ro_gui_download_keypress);
ro_gui_wimp_event_register_close_window(dw->window, ro_gui_download_close);
/* issue the warning now, so that it appears in front of the download
* window! */
if (space_warning)
ro_warn_user("DownloadWarn", messages_get("NoDiscSpace"));
return dw;
}
