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elinks/src/session/download.h

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#ifndef EL__SESSION_DOWNLOAD_H
#define EL__SESSION_DOWNLOAD_H
#include "main/object.h"
#include "network/state.h"
#include "util/lists.h"
#include "util/time.h"
/* Silly BFU stuff */
struct dialog_data;
struct listbox_item;
struct terminal;
struct cache_entry;
struct connection;
struct session;
struct uri;
struct download;
typedef void (download_callback_T)(struct download *, void *);
struct download {
/* XXX: order matters there, there's some hard initialization in
* src/session/session.c and src/viewer/text/view.c */
LIST_HEAD(struct download);
struct connection *conn;
struct cache_entry *cached;
/* The callback is called when connection gets into a progress state,
* after it's over (in a result state), and also periodically after
* the download starts receiving some data. */
download_callback_T *callback;
void *data;
struct progress *progress;
enum connection_state state;
enum connection_state prev_error;
enum connection_priority pri;
};
struct type_query {
LIST_HEAD(struct type_query);
struct download download;
struct cache_entry *cached;
struct session *ses;
struct uri *uri;
unsigned char *target_frame;
unsigned char *external_handler;
int block;
/* int frame; */
};
struct file_download {
OBJECT_HEAD(struct file_download);
struct uri *uri;
unsigned char *file;
unsigned char *external_handler;
struct session *ses;
struct terminal *term;
time_t remotetime;
off_t seek;
int handle;
int redirect_cnt;
int notify;
struct download download;
/* Should the file be deleted when destroying the structure */
unsigned int delete:1;
/* Should the download be stopped/interrupted when destroying the structure */
unsigned int stop:1;
/* Whether to block the terminal when running the external handler. */
unsigned int block:1;
/* The current dialog for this download. Can be NULL. */
struct dialog_data *dlg_data;
struct listbox_item *box_item;
};
/* Stack of all running downloads */
extern struct list_head downloads;
static inline int
is_in_downloads_list(struct file_download *file_download)
{
struct file_download *down;
foreach (down, downloads)
if (file_download == down) return 1;
return 0;
}
int download_is_progressing(struct download *download);
int are_there_downloads(void);
void start_download(void *, unsigned char *);
void resume_download(void *, unsigned char *);
void create_download_file(struct terminal *, unsigned char *, unsigned char **,
int, int,
void (*)(struct terminal *, int, void *, int),
void *);
void abort_all_downloads(void);
void destroy_downloads(struct session *);
int setup_download_handler(struct session *, struct download *, struct cache_entry *, int);
void abort_download(struct file_download *file_download);
void done_type_query(struct type_query *type_query);
void tp_display(struct type_query *type_query);
void tp_save(struct type_query *type_query);
void tp_cancel(void *data);
struct file_download *init_file_download(struct uri *uri, struct session *ses, unsigned char *file, int fd);
#endif