Subversion Repositories Kolibri OS

//HTML Viewer in C--

//Copyright 2007-2018 by Veliant & Leency

//Asper, lev, Lrz, Barsuk, Nable, hidnplayr...

#ifndef AUTOBUILD

	#include "lang.h--"

#endif

//libraries

#define MEMSIZE 4096 * 200

#include "..\lib\gui.h"

#include "..\lib\draw_buf.h"

#include "..\lib\list_box.h"

#include "..\lib\cursor.h"

#include "..\lib\collection.h"

#include "..\lib\random.h"

#include "..\lib\clipboard.h"

// *.obj libraries

#include "..\lib\obj\box_lib.h"

#include "..\lib\obj\libio.h"

#include "..\lib\obj\libimg.h"

#include "..\lib\obj\http.h"

#include "..\lib\obj\iconv.h"

//useful patterns

#include "..\lib\patterns\history.h"

#include "..\lib\patterns\http_downloader.h"

_http http = {0, 0, 0, 0, 0, 0, 0};

char homepage[] = FROM "html\\homepage.htm""\0";

#ifdef LANG_RUS

char version[]="����⮢� ��㧥� 1.8c";

?define IMAGES_CACHE_CLEARED "��� ���⨭�� ��饭"

?define T_LAST_SLIDE "�� ��᫥���� ᫠��"

char loading[] = "����㧪� ��࠭���...
";

char page_not_found[] = FROM "html\\page_not_found_ru.htm""\0";

char accept_language[]= "Accept-Language: ru\n";

char rmb_menu[] =

"��ᬮ���� ��室���

������஢��� ��室���

�����

�������� ����㧮�";

char link_menu[] =

"����஢��� ��뫪�

������ ᮤ�ন��� ��뫪�";

#else

char version[]="Text-based Browser 1.8c";

?define IMAGES_CACHE_CLEARED "Images cache cleared"

?define T_LAST_SLIDE "This slide is the last"

char loading[] = "Loading...
";

char page_not_found[] = FROM "html\\page_not_found_en.htm""\0";

char accept_language[]= "Accept-Language: en\n";

char rmb_menu[] =

"View source

Edit source

History

Download Manager";

char link_menu[] =

"Copy link

Download link contents";

#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 TOOLBAR_H = 40;

dword STATUSBAR_H = 15;

dword col_bg = 0xE3E2E2;

dword panel_color  = 0xE3E2E2;

dword border_color = 0x8C8C8C;

bool debug_mode = false;

bool old_tag_parser_mode = false;

progress_bar wv_progress_bar;

bool souce_mode = false;

bool open_in_a_new_window = false;

enum {

	BACK_BUTTON=1000,

	FORWARD_BUTTON,

	REFRESH_BUTTON,

	GOTOURL_BUTTON,

	SANDWICH_BUTTON,

	VIEW_SOURCE=1100,

	EDIT_SOURCE,

	VIEW_HISTORY,

	//FREE_IMG_CACHE,

	DOWNLOAD_MANAGER,

	COPY_LINK_URL=1200,

	DOWNLOAD_LINK_CONTENTS,

};

#include "..\TWB\TWB.c"

#include "history.h"

#include "show_src.h"

#include "download_manager.h"

char editURL[sizeof(URL)];

edit_box address_box = {250,60,30,0xffffff,0x94AECE,0xffffff,0xffffff,0x10000000,sizeof(URL)-2,#editURL,0,2,19,19};

#define SKIN_Y 24

void main()

{

	int i;

	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, "/sys/toolbar.png");

	skin.h = 26;

	wv_progress_bar.progress_color = 0x72B7EB;

	CreateDir("/tmp0/1/downloads");

	if (param) strcpy(#URL, #param); else strcpy(#URL, URL_SERVICE_HOME);

	WB1.list.SetFont(8, 14, 10011000b);

	WB1.list.no_selection = true;

	SetEventMask(EVM_REDRAW + EVM_KEY + EVM_BUTTON + EVM_MOUSE + EVM_MOUSE_FILTER + EVM_STACK);

	loop() switch(WaitEvent())

	{

		case evMouse:

			edit_box_mouse stdcall (#address_box);

			mouse.get();

			if (PageLinks.HoverAndProceed(mouse.x, WB1.list.first + mouse.y))

			&& (bufsize) && (mouse.pkm) && (mouse.up) {

				if (WB1.list.MouseOver(mouse.x, mouse.y)) EventShowPageMenu(mouse.x, mouse.y);

				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:

			ProcessEvent(GetButtonID());

			break;

		case evKey:

			GetKeys();

			if (address_box.flags & ed_focus)

			{

				if (key_ascii == ASCII_KEY_ENTER) ProcessEvent(key_scancode); else {

					EAX = key_editbox;

					edit_box_key stdcall(#address_box);

				}

			}

			else

			{

				#define KEY_SCROLL_N 11

				if (SCAN_CODE_UP   == key_scancode) for (i=0;i

				if (SCAN_CODE_DOWN == key_scancode) for (i=0;i

				if (WB1.list.ProcessKey(key_scancode)) WB1.DrawPage();

				else ProcessEvent(key_scancode);

			}

			break;

		case evReDraw:

			if (menu.cur_y) {

				ProcessEvent(menu.cur_y);

				menu.cur_y = 0;

			}

			DefineAndDrawWindow(GetScreenWidth()-800/2-random(80),GetScreenHeight()-600/2-random(80),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();

				EventUpdateProgressBar();

				if (http.receive_result == 0) {

					// Handle redirects

					if (http.status_code >= 300) && (http.status_code < 400)

					{

						redirected++;

						if (redirected>5)

						{

							notify("'Too many redirects.' -E");

							StopLoading();

						}

						else

						{

							http.handle_redirect();

							http.free();

							GetAbsoluteURL(#http.redirect_url);

							history.back();

							strcpy(#editURL, #URL);

							DrawEditBoxWebView();

							OpenPage();

						}

						break;

					}

					redirected = 0;

					// Loading the page is complete, free resources

					history.add(#URL);

					bufpointer = http.content_pointer;

					bufsize = http.content_received;

					http.free();

					SetPageDefaults();

					ShowPage();

				}

			}

	}

}

void SetElementSizes()

{

	address_box.top = TOOLBAR_H/2-10;

	basic_line_h = calc(WB1.list.font_h * 130) / 100;

	address_box.width = Form.cwidth - address_box.left - 50;

	WB1.list.SetSizes(0, TOOLBAR_H, Form.width - 10 - scroll_wv.size_x,

		Form.cheight - TOOLBAR_H - STATUSBAR_H, basic_line_h);

	WB1.list.wheel_size = 7 * basic_line_h;

	WB1.list.column_max = WB1.list.w - scroll_wv.size_x / WB1.list.font_w;

	WB1.list.visible = WB1.list.h;

	if (WB1.list.w!=WB1.DrawBuf.bufw) {

		WB1.DrawBuf.Init(WB1.list.x, WB1.list.y, WB1.list.w, 32700);

		ProcessEvent(REFRESH_BUTTON);

	}

}

void Draw_Window()

{

	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, 25,border_color);

	DefineButton(address_box.left-52, address_box.top-2, 24, skin.h-2, BACK_BUTTON+BT_HIDE, 0);

	DefineButton(address_box.left-27, address_box.top-2, 24, skin.h-2, FORWARD_BUTTON+BT_HIDE, 0);

	img_draw stdcall(skin.image, address_box.left-53, address_box.top-3, 51, skin.h, 0, SKIN_Y);

	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-27, address_box.top-3, 23, skin.h-1, SANDWICH_BUTTON+BT_HIDE, 0);

	img_draw stdcall(skin.image, Form.cwidth-24, address_box.top-3, 17, skin.h, 102, SKIN_Y);

	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();

}

void ProcessEvent(dword id__)

{

	switch (id__)

	{

		case 1:

			ExitProcess();

			return;

		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 (!editURL[0]) {

				strcpy(#URL, URL_SERVICE_HOME);

			}

			else if (!strncmp(#editURL,"http:",5)) || (editURL[0]=='/')

			|| (!strncmp(#editURL,"https:",6)) || (!strncmp(#editURL,"WebView:",8))

			{

				strcpy(#URL, #editURL);

			}

			else

			{

				strlcpy(#URL,"http://",7);

				strcat(#URL, #editURL);

			}

			OpenPage();

			return;

		case REFRESH_BUTTON:

			if (http.transfer > 0)

			{

				StopLoading();

				Draw_Window();

			}

			else OpenPage();

			return;

		case SANDWICH_BUTTON:

			EventShowPageMenu(Form.cwidth - 215, TOOLBAR_H-6);

			return;

		case VIEW_SOURCE:

			WB1.list.first = 0;

			ShowSource();

			WB1.LoadInternalPage(bufpointer, bufsize);

			break;

		case EDIT_SOURCE:

			if (!strncmp(#URL,"http",4))

			{

				CreateFile(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;

		case COPY_LINK_URL:

			Clipboard__CopyText(PageLinks.GetURL(PageLinks.active));

			notify("'URL copied to clipboard'O");

			return;

		case DOWNLOAD_LINK_CONTENTS:

			if (!downloader_opened) {

				strcpy(#downloader_edit, PageLinks.GetURL(PageLinks.active));

				CreateThread(#Downloader,#downloader_stak+4092);

			}

			return;

		case SCAN_CODE_F12:

			debug_mode ^= 1;

			if (debug_mode) notify("'Debug mode ON'-I");

			else notify("'Debug mode OFF'-I");

			return;

		case SCAN_CODE_F11:

			old_tag_parser_mode ^= 1;

			if (old_tag_parser_mode) notify("'Old tag parser ON'-I");

			else notify("'Old tag parser OFF'-I");

			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;

	DrawEditBoxWebView();

}

void SetPageDefaults()

{

	strcpy(#header, #version);

	WB1.list.count = WB1.list.first = 0;

	cur_encoding = CH_NULL;

	if (o_bufpointer) o_bufpointer = free(o_bufpointer);

}

void OpenPage()

{

	char getUrl[sizeof(URL)];

	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)) || (!strncmp(#URL,"https://",8))

	{

		img_draw stdcall(skin.image, address_box.left+address_box.width+1, address_box.top-3, 17, skin.h, 68, SKIN_Y);

		if (!strncmp(#URL,"http:",5)) {

			http.get(#URL);

		}

		if (!strncmp(#URL,"https://",8)) {

			sprintf(#getUrl, "http://gate.aspero.pro/?site=%s", #URL);

			http.get(#getUrl);

		}

		//http.get(#URL);

		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()

{

	int skin_x_offset;

	DrawBar(address_box.left-2, address_box.top-2, address_box.width+3, 2, address_box.color);

	DrawBar(address_box.left-2, address_box.top, 2, 22, address_box.color);

	//address_box.size = address_box.pos = address_box.shift = address_box.shift_old = strlen(#editURL);

	//address_box.offset = 0;

	EditBox_UpdateText(#address_box, address_box.flags);

	edit_box_draw stdcall(#address_box);

	if (http.transfer > 0) skin_x_offset = 68; else skin_x_offset = 51;

	img_draw stdcall(skin.image, address_box.left+address_box.width+1, address_box.top-3, 17, skin.h, skin_x_offset, SKIN_Y);

}

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();

	}

}

byte UrlExtIs(dword ext)

{

	if (!strcmpi(#URL + strlen(#URL) - strlen(ext), ext)) return true;

	return false;

}

void DrawProgress()

{

	dword persent;

	if (http.transfer == 0) return;

	if (wv_progress_bar.max) persent = wv_progress_bar.value*100/wv_progress_bar.max; else persent = 10;

	DrawBar(address_box.left-2, address_box.top+20, persent*address_box.width/100, 2, wv_progress_bar.progress_color);

}

char anchor[256];

void ClickLink()

{

	if (http.transfer > 0)

	{

		StopLoading();

		history.back();

	}

	strcpy(#URL, PageLinks.GetURL(PageLinks.active));

	//#1

	if (URL[0] == '#')

	{

		if (URL[1] == NULL) {

			WB1.list.first = 0;

			strcpy(#URL, history.current());

		}

		else {

			strlcpy(#anchor, #URL+strrchr(#URL, '#'), sizeof(anchor));

			strcpy(#URL, history.current());

		}

		ShowPage();

		return;

	}

	//liner.ru#1

	if (strrchr(#URL, '#')!=0)

	{

		strlcpy(#anchor, #URL+strrchr(#URL, '#'), sizeof(anchor));

		URL[strrchr(#URL, '#')-1] = 0x00;

	}

	if (!strncmp(#URL,"mailto:", 7))

	{

		notify(#URL);

		strcpy(#editURL, history.current());

		strcpy(#URL, history.current());

		return;

	}

	GetAbsoluteURL(#URL);

	if (strncmp(#URL,"http://",7)!=0) && (strncmp(#URL,"https://",8)!=0)

	{

		if (UrlExtIs(".htm")!=true) && (UrlExtIs(".html")!=true)

		{

			if (strchr(#URL, '|')) {

				ESBYTE[strchr(#URL, '|')] = NULL;

				RunProgram(#URL, strlen(#URL)+1+#URL);

			}

			else {

				RunProgram("/sys/@open", #URL);

			}

			strcpy(#editURL, history.current());

			strcpy(#URL, history.current());

			return;

		}

	}

	else

	{

		if (UrlExtIs(".png")==true) || (UrlExtIs(".gif")==true) || (UrlExtIs(".jpg")==true)

		|| (UrlExtIs(".zip")==true) || (UrlExtIs(".kex")==true) || (UrlExtIs(".pdf")==true)

		|| (UrlExtIs(".7z")==true) {

			if (!downloader_opened) {

				strcpy(#downloader_edit, #URL);

				CreateThread(#Downloader,#downloader_stak+4092);

				strcpy(#editURL, history.current());

				strcpy(#URL, history.current());

			}

			else notify("'WebView\nPlease, start a new download only when previous ended.'Et");

			return;

		}

	}

	if (open_in_a_new_window)

	{

		RunProgram(#program_path, #URL);

		strcpy(#editURL, history.current());

		strcpy(#URL, history.current());

	}

	else

	{

		OpenPage();

	}

	open_in_a_new_window = false;

}

void EventShowPageMenu(dword _left, _top)

{

	menu.show(Form.left+_left-6,Form.top+_top+skin_height+3, 220, #rmb_menu, VIEW_SOURCE);

}

void EventShowLinkMenu(dword _left, _top)

{

	menu.show(Form.left+_left-6,Form.top+_top+skin_height+3, 220, #link_menu, COPY_LINK_URL);

}

void EventUpdateProgressBar()

{

	wv_progress_bar.max = http.content_length;

	if (wv_progress_bar.value != http.content_received)

	{

		wv_progress_bar.value = http.content_received;

		DrawProgress();

	}

}

DrawStatusBar(dword _status_text)

{

	status_text.start_x = wv_progress_bar.left + wv_progress_bar.width + 10;

	status_text.start_y = Form.cheight - STATUSBAR_H + 3;

	status_text.area_size_x = Form.cwidth - status_text.start_x -3;

	DrawBar(status_text.start_x, status_text.start_y, status_text.area_size_x, 9, col_bg);

	status_text.text_pointer = _status_text;

	PathShow_prepare stdcall(#status_text);

	PathShow_draw stdcall(#status_text);

}

stop: