kolibrios/programs/cmm/browser/WebView.c

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//HTML Viewer in C--
//Copyright 2007-2013 by Veliant & Leency
//Asper, lev, Lrz, Barsuk, Nable...
//home icon - rachel fu, GPL licence
#ifndef AUTOBUILD
#include "lang.h--"
#endif
//libraries
#define MEMSIZE 1060000
#include "..\lib\gui.h"
#include "..\lib\draw_buf.h"
#include "..\lib\list_box.h"
#include "..\lib\cursor.h"
#include "..\lib\collection.h"
#include "..\lib\font.h"
#include "..\lib\menu.h"
//*.obj libraries
#include "..\lib\obj\box_lib.h"
#include "..\lib\obj\libio_lib.h"
#include "..\lib\obj\libimg_lib.h"
#include "..\lib\obj\http.h"
#include "..\lib\obj\iconv.h"
//useful patterns
#include "..\lib\patterns\libimg_load_skin.h"
#include "..\lib\patterns\history.h"
#include "..\lib\patterns\http_downloader.h"
char homepage[] = FROM "html\\homepage.htm";
#ifdef LANG_RUS
char version[]=" <20><><EFBFBD><EFBFBD><EFBFBD><E2AEA2> <20><><EFBFBD><EFBFBD> 1.48";
?define IMAGES_CACHE_CLEARED "<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><E2A8AD> <20><><EFBFBD>"
?define T_LAST_SLIDE "<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><E1ABA5><EFBFBD><EFBFBD><><E1ABA0>"
char loading[] = "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><E0A0AD><EFBFBD>...<br>";
char page_not_found[] = FROM "html\page_not_found_ru.htm";
char accept_language[]= "Accept-Language: ru\n";
char rmb_menu[] =
"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><E5AEA4><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>";
#else
char version[]=" Text-based Browser 1.48";
?define IMAGES_CACHE_CLEARED "Images cache cleared"
?define T_LAST_SLIDE "This slide is the last"
char loading[] = "Loading...<br>";
char page_not_found[] = FROM "html\page_not_found_en.htm";
char accept_language[]= "Accept-Language: en\n";
char rmb_menu[] =
"View source
Edit source
History
Free image cache
Download Manager";
#endif
#define URL_SERVICE_HISTORY "WebView://history"
#define URL_SERVICE_HOME "WebView://home"
#define URL_SERVICE_SOURCE "WebView://source:"
proc_info Form;
//char search_path[]="http://nigma.ru/index.php?s=";
int redirected = 0;
char stak[4096];
int action_buf;
dword http_transfer = 0;
dword http_buffer;
dword TOOLBAR_H = 33;
dword STATUSBAR_H = 15;
dword col_bg;
dword panel_color;
dword border_color;
progress_bar wv_progress_bar;
byte souce_mode = false;
enum {
BACK_BUTTON=1000,
FORWARD_BUTTON,
REFRESH_BUTTON,
GOTOURL_BUTTON,
SANDWICH_BUTTON
};
enum {
VIEW_SOURCE=1100,
EDIT_SOURCE,
VIEW_HISTORY,
FREE_IMG_CACHE,
DOWNLOAD_MANAGER
};
#include "..\TWB\TWB.c"
#include "history.h"
#include "show_src.h"
#include "download_manager.h"
char editURL[sizeof(URL)];
int mouse_twb;
edit_box address_box = {250,56,34,0xffffff,0x94AECE,0xffffff,0xffffff,0,sizeof(URL),#editURL,#mouse_twb,2,19,19};
void main()
{
dword btn;
int half_scroll_size;
int scroll_used=0, show_menu;
CursorPointer.Load(#CursorFile);
load_dll(boxlib, #box_lib_init,0);
load_dll(libio, #libio_init,1);
load_dll(libimg, #libimg_init,1);
load_dll(libHTTP, #http_lib_init,1);
load_dll(iconv_lib, #iconv_open,0);
Libimg_LoadImage(#skin, abspath("wv_skin.png"));
SetSkinColors();
CreateDir("/tmp0/1/downloads");
if (param) strcpy(#URL, #param); else strcpy(#URL, URL_SERVICE_HOME);
WB1.DrawBuf.zoom = 1;
WB1.list.SetFont(8, 14, 10011000b);
WB1.list.no_selection = true;
label.init(DEFAULT_FONT);
SetEventMask(0xa7);
BEGIN_LOOP_APPLICATION:
WaitEventTimeout(2);
switch(EAX & 0xFF)
{
CASE evMouse:
if (!CheckActiveProcess(Form.ID)) break;
edit_box_mouse stdcall (#address_box);
mouse.get();
if (WB1.list.MouseOver(mouse.x, mouse.y))
{
PageLinks.Hover(mouse.x, WB1.list.first*WB1.list.item_h + mouse.y, link_color_inactive, link_color_active, bg_color);
if (bufsize) && (mouse.pkm) && (mouse.up) {
menu.show(Form.left+mouse.x-6,Form.top+mouse.y+skin_height+3, 180, #rmb_menu, VIEW_SOURCE);
break;
}
if (WB1.list.MouseScroll(mouse.vert)) WB1.DrawPage();
}
scrollbar_v_mouse (#scroll_wv);
if (WB1.list.first != scroll_wv.position)
{
WB1.list.first = scroll_wv.position;
WB1.DrawPage();
break;
}
break;
case evButton:
btn=GetButtonID();
if (btn==1) ExitProcess();
Scan(btn);
break;
case evKey:
GetKeys();
if (address_box.flags & 0b10)
{
if (key_ascii == ASCII_KEY_ENTER) Scan(key_scancode); else
if (key_ascii != 0x0d) && (key_ascii != 183) && (key_ascii != 184) {EAX = key_ascii << 8; edit_box_key stdcall(#address_box);}
}
else
{
Scan(key_scancode);
}
break;
case evReDraw:
if (menu.list.cur_y) {
Scan(menu.list.cur_y);
menu.list.cur_y = 0;
}
DefineAndDrawWindow(GetScreenWidth()-800/2,GetScreenHeight()-600/2,800,600,0x73,col_bg,0,0);
GetProcessInfo(#Form, SelfInfo);
if (Form.status_window>2) { DrawTitle(#header); break; }
if (Form.height<120) { MoveSize(OLD,OLD,OLD,120); break; }
if (Form.width<280) { MoveSize(OLD,OLD,280,OLD); break; }
Draw_Window();
break;
case evNetwork:
if (http_transfer > 0) {
http_receive stdcall (http_transfer);
$push EAX
ESI = http_transfer;
wv_progress_bar.max = ESI.http_msg.content_length;
if (wv_progress_bar.value != ESI.http_msg.content_received)
{
wv_progress_bar.value = ESI.http_msg.content_received;
DrawProgress();
}
$pop EAX
if (EAX == 0) {
ESI = http_transfer;
// Handle redirects
if (ESI.http_msg.status >= 300) && (ESI.http_msg.status < 400)
{
redirected++;
if (redirected<=5)
{
http_find_header_field stdcall (http_transfer, "location\0");
if (EAX!=0) {
ESI = EAX;
EDI = #URL;
do {
$lodsb;
$stosb;
} while (AL != 0) && (AL != 13) && (AL != 10));
DSBYTE[EDI-1]='\0';
}
}
else
{
notify("Too many redirects");
StopLoading();
break;
}
}
else
{
redirected = 0;
}
// Loading the page is complete, free resources
if (redirected>0)
{
http_free stdcall (http_transfer);
http_transfer=0;
GetAbsoluteURL(#URL);
history.back();
strcpy(#editURL, #URL);
DrawEditBoxWebView();
OpenPage();
}
else
{
history.add(#URL);
ESI = http_transfer;
bufpointer = ESI.http_msg.content_ptr;
bufsize = ESI.http_msg.content_received;
http_free stdcall (http_transfer);
http_transfer=0;
SetPageDefaults();
ShowPage();
}
}
}
}
goto BEGIN_LOOP_APPLICATION;
}
void SetElementSizes()
{
address_box.top = TOOLBAR_H/2-7;
address_box.width = Form.cwidth - address_box.left - 25 - 22;
WB1.list.SetSizes(0, TOOLBAR_H, Form.width - 10 - scroll_wv.size_x / WB1.DrawBuf.zoom,
Form.cheight - TOOLBAR_H - STATUSBAR_H, WB1.list.font_h + WB1.DrawBuf.zoom + WB1.DrawBuf.zoom * WB1.DrawBuf.zoom);
WB1.list.wheel_size = 7;
WB1.list.column_max = WB1.list.w - scroll_wv.size_x / WB1.list.font_w;
WB1.list.visible = WB1.list.h - 5 / WB1.list.item_h;
if (WB1.list.w!=WB1.DrawBuf.bufw) {
WB1.DrawBuf.Init(WB1.list.x, WB1.list.y, WB1.list.w, WB1.list.h * 30);
Scan(REFRESH_BUTTON);
}
}
void Draw_Window()
{
int list__w, list__h;
DrawBar(0,0, Form.cwidth,TOOLBAR_H-2, panel_color);
DrawBar(0,TOOLBAR_H-2, Form.cwidth,1, 0xD7D0D3);
DrawBar(0,TOOLBAR_H-1, Form.cwidth,1, border_color);
SetElementSizes();
DrawRectangle(address_box.left-3, address_box.top-3, address_box.width+5, 20,border_color);
DefineButton(address_box.left-50, address_box.top-2, 23, skin.h-2, BACK_BUTTON+BT_HIDE, 0);
DefineButton(address_box.left-26, address_box.top-2, 23, skin.h-2, FORWARD_BUTTON+BT_HIDE, 0);
img_draw stdcall(skin.image, address_box.left-51, address_box.top-3, 48, skin.h, 3, 0);
DefineButton(address_box.left+address_box.width+1, address_box.top-3, 16, skin.h-1, REFRESH_BUTTON+BT_HIDE+BT_NOFRAME, 0);
DefineButton(Form.cwidth-24, address_box.top-3, 19, skin.h-1, SANDWICH_BUTTON+BT_HIDE, 0);
img_draw stdcall(skin.image, Form.cwidth-22, address_box.top-3, 16, skin.h, 85, 0);
DrawBar(0,Form.cheight - STATUSBAR_H, Form.cwidth,STATUSBAR_H, col_bg);
DrawBar(0,Form.cheight - STATUSBAR_H, Form.cwidth,1, border_color);
if (!header) OpenPage(); else { WB1.DrawPage(); DrawEditBoxWebView(); }
DrawRectangle(scroll_wv.start_x, scroll_wv.start_y, scroll_wv.size_x, scroll_wv.size_y-1, scroll_wv.bckg_col);
DrawProgress();
/*
list__w = 200;
list__h = 200;
label.raw_size = 0;
label.write_buf(10,10, list__w, list__h, 0xFFFFFF, 0, 11, "Hello World!");
label.write_buf(10,23, list__w, list__h, 0xFFFFFF, 0xFF00FF, 12, "How are you?");
label.write_buf(11,40, list__w, list__h, 0xFFFFFF, 0x2E74BB, 15, "Fine");
label.apply_smooth();
label.show_buf(0,0);
*/
}
void Scan(dword id__)
{
action_buf=0;
if (WB1.list.ProcessKey(id__)) WB1.DrawPage();
else switch (id__)
{
case SCAN_CODE_BS:
case BACK_BUTTON:
if (history.back()) {
strcpy(#URL, history.current());
OpenPage();
}
return;
case FORWARD_BUTTON:
if (history.forward()) {
strcpy(#URL, history.current());
OpenPage();
}
return;
case GOTOURL_BUTTON:
case SCAN_CODE_ENTER:
if (!strncmp(#editURL,"http:",5)) || (editURL[0]=='/') || (!strncmp(#editURL,"WebView:",9))
{
strcpy(#URL, #editURL);
}
else
{
strlcpy(#URL,"http://",7);
strcat(#URL, #editURL);
}
OpenPage();
return;
case 063: //F5
IF(address_box.flags & 0b10) return;
case REFRESH_BUTTON:
if (http_transfer > 0)
{
StopLoading();
Draw_Window();
}
else OpenPage();
return;
case SANDWICH_BUTTON:
mouse.y = TOOLBAR_H-6;
mouse.x = Form.cwidth - 167;
menu.show(Form.left+mouse.x-6,Form.top+mouse.y+skin_height+3, 180, #rmb_menu, VIEW_SOURCE);
return;
case VIEW_SOURCE:
WB1.list.first = 0;
ShowSource();
WB1.LoadInternalPage(bufpointer, bufsize);
break;
case EDIT_SOURCE:
if (!strncmp(#URL,"http:",5))
{
WriteFile(bufsize, bufpointer, "/tmp0/1/WebView_tmp.htm");
if (!EAX) RunProgram("/rd/1/tinypad", "/tmp0/1/WebView_tmp.htm");
}
else RunProgram("/rd/1/tinypad", #URL);
return;
case FREE_IMG_CACHE:
ImgCache.Free();
notify(IMAGES_CACHE_CLEARED);
WB1.DrawPage();
return;
case VIEW_HISTORY:
strcpy(#URL, URL_SERVICE_HISTORY);
OpenPage();
return;
case DOWNLOAD_MANAGER:
if (!downloader_opened) {
downloader_edit = NULL;
CreateThread(#Downloader,#downloader_stak+4092);
}
return;
}
}
void StopLoading()
{
if (http_transfer)
{
EAX = http_transfer;
EAX = EAX.http_msg.content_ptr; // get pointer to data
$push EAX // save it on the stack
http_free stdcall (http_transfer); // abort connection
$pop EAX
free(EAX); // free data
http_transfer=0;
bufsize = 0;
bufpointer = free(bufpointer);
}
wv_progress_bar.value = 0;
img_draw stdcall(skin.image, address_box.left+address_box.width+1, address_box.top-3, 17, skin.h, 52, 0);
}
void SetPageDefaults()
{
strcpy(#header, #version);
WB1.list.count = WB1.list.first = 0;
stroka = 0;
cur_encoding = CH_NULL;
if (o_bufpointer) o_bufpointer = free(o_bufpointer);
anchor_line_num=WB1.list.first;
anchor[0]='|';
}
void OpenPage()
{
StopLoading();
souce_mode = false;
strcpy(#editURL, #URL);
history.add(#URL);
if (!strncmp(#URL,"WebView:",8))
{
SetPageDefaults();
if (!strcmp(#URL, URL_SERVICE_HOME)) WB1.LoadInternalPage(#homepage, sizeof(homepage));
else if (!strcmp(#URL, URL_SERVICE_HISTORY)) ShowHistory();
DrawEditBoxWebView();
return;
}
if (!strncmp(#URL,"http:",5))
{
img_draw stdcall(skin.image, address_box.left+address_box.width+1, address_box.top-3, 17, skin.h, 131, 0);
http_get stdcall (#URL, 0, 0, #accept_language);
http_transfer = EAX;
if (!http_transfer)
{
StopLoading();
bufsize = 0;
bufpointer = free(bufpointer);
ShowPage();
return;
}
}
else
{
file_size stdcall (#URL);
bufsize = EBX;
if (bufsize)
{
free(bufpointer);
bufpointer = malloc(bufsize);
SetPageDefaults();
ReadFile(0, bufsize, bufpointer, #URL);
}
ShowPage();
}
}
DrawEditBoxWebView()
{
DrawWideRectangle(address_box.left-2, address_box.top-2, address_box.width+3, 19, 2, address_box.color);
address_box.size = address_box.pos = address_box.shift = address_box.shift_old = strlen(#editURL);
address_box.offset = 0;
edit_box_draw stdcall(#address_box);
if (http_transfer > 0) EAX = 131; else EAX = 52;
img_draw stdcall(skin.image, address_box.left+address_box.width+1, address_box.top-3, 17, skin.h, EAX, 0);
}
void ShowPage()
{
DrawEditBoxWebView();
if (!bufsize)
{
if (http_transfer) WB1.LoadInternalPage(#loading, sizeof(loading));
else WB1.LoadInternalPage(#page_not_found, sizeof(page_not_found));
}
else
{
WB1.Prepare();
}
//if (!header) strcpy(#header, #version);
if (!strcmp(#version, #header)) DrawTitle(#header);
}
byte UrlExtIs(dword ext)
{
if (!strcmpi(#URL + strlen(#URL) - strlen(ext), ext)) return true;
return false;
}
int SetSkinColors()
{
dword image_data;
image_data = DSDWORD[skin.image+24];
col_bg = DSDWORD[image_data];
panel_color = DSDWORD[skin.w*4*4 + image_data];
border_color = DSDWORD[skin.w*4*7 + image_data];
wv_progress_bar.progress_color = DSDWORD[skin.w*4*10 + image_data];
$and col_bg, 0x00ffffff
$and panel_color, 0x00ffffff
$and border_color, 0x00ffffff
$and wv_progress_bar.progress_color, 0x00ffffff
}
void DrawProgress()
{
unsigned long btn;
if (http_transfer == 0) return;
if (wv_progress_bar.max) btn = address_box.width*wv_progress_bar.value/wv_progress_bar.max; else btn = 30;
DrawBar(address_box.left-2, address_box.top+15, btn, 2, wv_progress_bar.progress_color);
}
void ClickLink()
{
if (http_transfer > 0)
{
StopLoading();
history.back();
}
strcpy(#URL, PageLinks.GetURL(PageLinks.active));
//#1
if (URL[0] == '#')
{
strcpy(#anchor, #URL+strrchr(#URL, '#'));
strcpy(#URL, history.current());
WB1.list.first=WB1.list.count-WB1.list.visible;
ShowPage();
return;
}
//liner.ru#1
if (strrchr(#URL, '#')!=-1)
{
strcpy(#anchor, #URL+strrchr(#URL, '#'));
URL[strrchr(#URL, '#')-1] = 0x00;
}
GetAbsoluteURL(#URL);
if (UrlExtIs(".png")==1) || (UrlExtIs(".gif")==1) || (UrlExtIs(".jpg")==1) || (UrlExtIs(".zip")==1) || (UrlExtIs(".kex")==1)
|| (UrlExtIs(".7z")==1) || (UrlExtIs("netcfg")==1)
{
//notify(#URL);
if (!strncmp(#URL,"http://", 7))
{
strcpy(#downloader_edit, #URL);
CreateThread(#Downloader,#downloader_stak+4092);
}
else RunProgram("@open", #URL);
strcpy(#editURL, history.current());
strcpy(#URL, history.current());
return;
}
if (!strncmp(#URL,"mailto:", 7))
{
notify(#URL);
strcpy(#editURL, history.current());
strcpy(#URL, history.current());
return;
}
OpenPage();
return;
}
stop: