kolibrios-fun/programs/cmm/browser/downloader.h
hidnplayr d52d41e20d Extended http library API to allow keepalive connections, streaming connections and transfer of large files.
git-svn-id: svn://kolibrios.org@5534 a494cfbc-eb01-0410-851d-a64ba20cac60
2015-03-20 12:04:14 +00:00

240 lines
7.0 KiB
C
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#ifdef LANG_RUS
#define DL_WINDOW_HEADER "Œ¥­¥¤¦¥à § £à㧮ª"
#define START_DOWNLOADING "<22> ç âì § ª çªã"
#define STOP_DOWNLOADING "Žáâ ­®¢¨âì ᪠稢 ­¨¥"
#define SHOW_IN_FOLDER "<22>®ª § âì ¢ ¯ ¯ª¥"
#define OPEN_FILE "Žâªàëâì ä ©«"
#define FILE_SAVED_AS "'Œ¥­¥¤¦¥à § £à㧮ª\n” ©« á®åà ­¥­ ª ª "
#define KB_RECEIVED " ¯®«ã祭®"
#else
#define DL_WINDOW_HEADER "Download Manager"
#define START_DOWNLOADING "Start downloading"
#define STOP_DOWNLOADING "Stop downloading"
#define SHOW_IN_FOLDER "Show in folder"
#define OPEN_FILE "Open file"
#define FILE_SAVED_AS "'Download manager\nFile saved as "
#define KB_RECEIVED " received"
#endif
proc_info DL_Form;
system_colors sc;
char DL_URL[10000];
dword DL_bufpointer, DL_bufsize, DL_http_transfer, DL_http_buffer;
char filepath[4096];
int downloaded_size, full_size;
int mouse_twbi;
edit_box DL_address_box = {250,20,20,0xffffff,0x94AECE,0xffffff,0xffffff,0,sizeof(DL_URL),#DL_URL,#mouse_twbi,2,19,19};
progress_bar DL_progress_bar = {0, 170, 51, 225, 12, 0, 0, 100, 0xFFFfff, 0x74DA00, 0x9F9F9F};
char save_to[4096] = "/tmp0/1/Downloads/";
byte cleft = 15;
byte downloader_opened;
byte download_state;
enum { STATE_NOT_STARTED, STATE_IN_PROGRESS, STATE_COMPLETED };
void Downloader()
{
int key, btn;
mouse m;
char notify_message[4296];
if (DL_URL[0]) {
StartDownloading();
}
else strcpy(#DL_URL, "http://");
DL_address_box.size = DL_address_box.pos = DL_address_box.shift = DL_address_box.shift_old = strlen(#DL_URL);
downloaded_size = full_size = 0;
downloader_opened = 1;
SetEventMask(0x27);
loop()
{
WaitEventTimeout(40);
switch(EAX & 0xFF)
{
CASE evMouse:
if (!CheckActiveProcess(DL_Form.ID)) break;
if (DL_http_transfer <= 0) edit_box_mouse stdcall (#DL_address_box);
break;
case evButton:
btn=GetButtonID();
DL_Scan(btn);
break;
case evKey:
key = GetKey();
if (DL_address_box.flags & 0b10)
{
EAX=key<<8;
edit_box_key stdcall(#DL_address_box);
}
if (key==13) DL_Scan(301);
break;
case evReDraw:
sc.get();
DefineAndDrawWindow(215, 100, 420, 120, 0x74, sc.work, DL_WINDOW_HEADER, 0);
GetProcessInfo(#DL_Form, SelfInfo);
if (DL_Form.status_window>2) break;
if (DL_Form.height<120) MoveSize(OLD,OLD,OLD,120);
if (DL_Form.width<280) MoveSize(OLD,OLD,280,OLD);
DL_Draw_Window();
break;
default:
if (DL_Form.width==0) || (DL_http_transfer <= 0) break;
http_receive stdcall (DL_http_transfer);
$push EAX
ESI = DL_http_transfer;
DL_progress_bar.max = ESI.http_msg.content_length;
if (DL_progress_bar.value != ESI.http_msg.content_received)
{
DL_progress_bar.value = ESI.http_msg.content_received;
progressbar_draw stdcall(#DL_progress_bar);
}
$pop EAX
if (EAX == 0) {
ESI = DL_http_transfer;
DL_bufpointer = ESI.http_msg.content_ptr;
DL_bufsize = ESI.http_msg.content_received;
http_free stdcall (DL_http_transfer);
DL_http_transfer=0;
strcpy(#filepath, #save_to);
strcat(#filepath, #DL_URL+strrchr(#DL_URL, '/'));
if (WriteFile(DL_bufsize, DL_bufpointer, #filepath)==0)
{
strcpy(#notify_message, FILE_SAVED_AS);
strcat(#notify_message, #filepath);
strcat(#notify_message, "' -Dt");
}
else
{
strcpy(#notify_message, "'Download manager\nError! Can\96t save file as ");
strcat(#notify_message, #filepath);
strcat(#notify_message, "' -Et");
}
notify(#notify_message);
DL_address_box.color = DL_address_box.blur_border_color = DL_address_box.focus_border_color = 0xFFFfff;
download_state = STATE_COMPLETED;
DL_Draw_Window();
break;
}
ESI = DL_http_transfer;
downloaded_size = ESI.http_msg.content_received;
full_size = ESI.http_msg.content_length;
DrawDownloading();
}
}
}
void DL_Draw_Window()
{
DrawBar(0,0, DL_Form.cwidth, DL_Form.cheight, sc.work);
DeleteButton(305);
DeleteButton(306);
if (download_state == STATE_NOT_STARTED) || (download_state == STATE_COMPLETED)
{
DrawCaptButton(cleft, 50, 130, 27, 301, sc.work_button, sc.work_button_text, START_DOWNLOADING);
}
if (download_state == STATE_IN_PROGRESS)
{
DrawCaptButton(cleft, 50, 140, 27, 302, sc.work_button, sc.work_button_text, STOP_DOWNLOADING);
DrawDownloading();
}
if (download_state == STATE_COMPLETED)
{
DrawCaptButton(cleft+140, 50, 110, 27, 305, sc.work_button, sc.work_button_text, SHOW_IN_FOLDER);
DrawCaptButton(cleft+260, 50, 120, 27, 306, sc.work_button, sc.work_button_text, OPEN_FILE);
}
WriteText(cleft, DL_address_box.top + 4, 0x80, sc.work_text, "URL:");
DL_address_box.left = strlen("URL:")*6 + 10 + cleft;
DL_address_box.width = DL_Form.cwidth - DL_address_box.left - cleft - 3;
DL_address_box.offset=0;
edit_box_draw stdcall(#DL_address_box);
DrawRectangle(DL_address_box.left-1, DL_address_box.top-1, DL_address_box.width+2, 16, DL_address_box.color);
DrawRectangle(DL_address_box.left-2, DL_address_box.top-2, DL_address_box.width+4, 18, border_color);
}
void DrawDownloading()
{
dword tmp;
char bytes_received[70];
tmp = ConvertSizeToKb(downloaded_size);
strcpy(#bytes_received, tmp);
strcat(#bytes_received, KB_RECEIVED);
DrawBar(DL_progress_bar.left, DL_progress_bar.top + 17, DL_Form.cwidth - DL_progress_bar.left, 9, sc.work);
WriteText(DL_progress_bar.left, DL_progress_bar.top + 17, 0x80, sc.work_text, #bytes_received);
progressbar_draw stdcall(#DL_progress_bar);
}
void DL_Scan(int id)
{
if (id==001) {
downloader_opened=0;
StopDownloading();
ExitProcess();
}
if (id==301) && (DL_http_transfer <= 0) StartDownloading();
if (id==302) StopDownloading();
if (id==305) RunProgram("/sys/File managers/Eolite", #save_to);
if (id==306) RunProgram("@open", #filepath);
}
void StopDownloading()
{
download_state = STATE_NOT_STARTED;
if (DL_http_transfer<>0)
{
EAX = DL_http_transfer;
EAX = EAX.http_msg.content_ptr; // get pointer to data
$push EAX // save it on the stack
http_free stdcall (DL_http_transfer); // abort connection
$pop EAX
mem_Free(EAX); // free data
DL_http_transfer=0;
DL_bufsize = 0;
DL_bufpointer = mem_Free(DL_bufpointer);
downloaded_size = full_size = 0;
}
DL_address_box.color = DL_address_box.blur_border_color = DL_address_box.focus_border_color = 0xFFFfff;
DL_Draw_Window();
}
void StartDownloading()
{
StopDownloading();
if (strncmp(#DL_URL,"http:",5)==0)
{
download_state = STATE_IN_PROGRESS;
DL_address_box.color = DL_address_box.blur_border_color = DL_address_box.focus_border_color = 0xdddDDD;
http_get stdcall (#DL_URL, 0, 0, #accept_language);
DL_http_transfer = EAX;
DL_progress_bar.value = 0;
DL_Draw_Window();
if (DL_http_transfer == 0)
{
StopDownloading();
DL_bufsize = 0;
DL_bufpointer = mem_Free(DL_bufpointer);
return;
}
}
else
{
notify("File adress should starts from http://");
}
}