/**
* Try and find the correct RISC OS filetype from a download context.
*/
static nserror download_ro_filetype(download_context *ctx, bits *ftype_out)
{
nsurl *url = download_context_get_url(ctx);
bits ftype = 0;
lwc_string *scheme;
/* If the file is local try and read its filetype */
scheme = nsurl_get_component(url, NSURL_SCHEME);
if (scheme != NULL) {
bool filescheme;
if (lwc_string_isequal(scheme,
corestring_lwc_file,
&filescheme) != lwc_error_ok) {
filescheme = false;
}
if (filescheme) {
lwc_string *path = nsurl_get_component(url, NSURL_PATH);
if (path != NULL && lwc_string_length(path) != 0) {
char *raw_path;
if (url_unescape(lwc_string_data(path),
lwc_string_length(path),
&raw_path) == NSERROR_OK) {
ftype = ro_filetype_from_unix_path(raw_path);
free(raw_path);
}
}
}
}
/* 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 (ftype == 0) {
/* convert MIME type to RISC OS file type */
os_error *error;
const char *mime_type;
mime_type = download_context_get_mime_type(ctx);
error = xmimemaptranslate_mime_type_to_filetype(mime_type, &ftype);
if (error) {
LOG("xmimemaptranslate_mime_type_to_filetype: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("MiscError", error->errmess);
ftype = 0xffd;
}
}
*ftype_out = ftype;
return NSERROR_OK;
}
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;
}
