kolibrios/programs/cmm/browser/WebView.c

682 lines
18 KiB
C
Raw Normal View History

//HTML Viewer in C--
//Copyright 2007-2020 by Veliant & Leency
//Asper, lev, Lrz, Barsuk, Nable, hidnplayr...
#ifndef AUTOBUILD
#include "lang.h--"
#endif
//libraries
#define MEMSIZE 1024 * 850
#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"
#include "..\lib\obj\proc_lib.h"
//useful patterns
#include "..\lib\patterns\history.h"
#include "..\lib\patterns\http_downloader.h"
#include "..\lib\patterns\simple_open_dialog.h"
#ifdef LANG_RUS
char version[]="<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> 2.0 beta2";
char page_not_found[] = FROM "html\\page_not_found_ru.htm""\0";
char homepage[] = FROM "html\\homepage_ru.htm""\0";
char help[] = FROM "html\\help_ru.htm""\0";
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>";
char link_menu[] =
"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD>";
#else
char version[]="Text-based Browser 2.0 beta2";
char page_not_found[] = FROM "html\\page_not_found_en.htm""\0";
char homepage[] = FROM "html\\homepage_en.htm""\0";
char help[] = FROM "html\\help_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_SIZE 4000;
dword col_bg = 0xE3E2E2;
dword panel_color = 0xE3E2E2;
dword border_color = 0x787878;
bool debug_mode = false;
_http http = {0, 0, 0, 0, 0, 0, 0};
#include "..\TWB\TWB.c"
#include "history.h"
#include "show_src.h"
#include "download_manager.h"
#define URL_SERVICE_HISTORY "WebView:history"
#define URL_SERVICE_HOMEPAGE "WebView:home"
#define URL_SERVICE_HELP "WebView:help"
#define TOOLBAR_GAPS 10
dword TOOLBAR_H = 40;
dword STATUSBAR_H = 15;
int action_buf;
bool source_mode = false;
progress_bar wv_progress_bar;
char stak[4096];
proc_info Form;
enum {
BACK_BUTTON=1000,
FORWARD_BUTTON,
REFRESH_BUTTON,
GOTOURL_BUTTON,
SANDWICH_BUTTON,
VIEW_SOURCE,
EDIT_SOURCE,
VIEW_HISTORY,
DOWNLOAD_MANAGER,
COPY_LINK_URL,
DOWNLOAD_LINK_CONTENTS,
};
char default_dir[] = "/rd/1";
od_filter filter2 = { 16, "TXT\0HTM\0HTML\0\0" };
char editURL[URL_SIZE+1];
edit_box address_box = {NULL,TOOLBAR_GAPS+TOOLBAR_GAPS+51,10,0xffffff,0x94AECE,0xffffff,
0xffffff,0x10000000,URL_SIZE-2,#editURL,0,NULL,19,19};
#define SKIN_Y 24
void LoadLibraries()
{
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);
load_dll(Proc_lib, #OpenDialog_init,0);
OpenDialog_init stdcall (#o_dialog);
}
void HandleParam()
{
if (param) {
if (!strncmp(#param, "-d ", 3)) {
strcpy(#downloader_edit, #param+3);
CreateThread(#Downloader,#downloader_stak+4092);
ExitProcess();
} else if (!strncmp(#param, "-s ", 3)) {
source_mode = true;
history.add(#param + 3);
} else {
history.add(#param);
}
} else {
history.add(URL_SERVICE_HOMEPAGE);
}
}
void main()
{
int redirect_count = 0;
int i;
LoadLibraries();
CreateDir("/tmp0/1/downloads");
Libimg_LoadImage(#skin, "/sys/toolbar.png");
HandleParam();
skin.h = 26;
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))
&& (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 (key_modifier&KEY_LCTRL) || (key_modifier&KEY_RCTRL) {
if (key_scancode == SCAN_CODE_KEY_O) {EventOpenDialog();break;}
if (key_scancode == SCAN_CODE_KEY_H) {ProcessEvent(VIEW_HISTORY);break;}
if (key_scancode == SCAN_CODE_KEY_U) {EventViewSource();break;}
if (key_scancode == SCAN_CODE_KEY_T)
|| (key_scancode == SCAN_CODE_KEY_N) {RunProgram(#program_path, NULL);break;}
if (key_scancode == SCAN_CODE_KEY_J) {ProcessEvent(DOWNLOAD_MANAGER);break;}
if (key_scancode == SCAN_CODE_KEY_R) {ProcessEvent(REFRESH_BUTTON);break;}
if (key_scancode == SCAN_CODE_ENTER) {EventSeachWeb();break;}
if (key_scancode == SCAN_CODE_LEFT) {ProcessEvent(BACK_BUTTON);break;}
if (key_scancode == SCAN_CODE_RIGHT) {ProcessEvent(FORWARD_BUTTON);break;}
if (key_scancode == SCAN_CODE_KEY_W) {ExitProcess();break;}
}
if (key_scancode == SCAN_CODE_F5) ProcessEvent(REFRESH_BUTTON);
if (address_box.flags & ed_focus)
{
if (key_scancode == SCAN_CODE_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<KEY_SCROLL_N;i++) WB1.list.KeyUp();
if (SCAN_CODE_DOWN == key_scancode) for (i=0;i<KEY_SCROLL_N;i++) WB1.list.KeyDown();
if (key_scancode == SCAN_CODE_F6) {address_box.flags=ed_focus; DrawOmnibox();}
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()-700/2-random(80),800,700,0x73,0,0,0);
GetProcessInfo(#Form, SelfInfo);
system.color.get();
col_bg = system.color.work;
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)
{
redirect_count++;
if (redirect_count>5)
{
notify("'Too many redirects.' -E");
StopLoading();
}
else
{
http.handle_redirect();
http.free();
GetAbsoluteURL(#http.redirect_url);
debug("Redirect: "); debugln(#http.redirect_url);
history.back();
OpenPage(#http.redirect_url);
}
break;
}
redirect_count = 0;
// Loading the page is complete, free resources
http.free();
LoadInternalPage(http.content_pointer, http.content_received);
}
}
}
}
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 - 55;
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 + 1;
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, 800*20);
OpenPage(history.current());
}
}
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();
DefineHiddenButton(TOOLBAR_GAPS, address_box.top-2, 24, skin.h-2, BACK_BUTTON);
DefineHiddenButton(TOOLBAR_GAPS+25, address_box.top-2, 24, skin.h-2, FORWARD_BUTTON);
img_draw stdcall(skin.image, TOOLBAR_GAPS-1, address_box.top-3, 51, skin.h, 0, SKIN_Y);
DefineHiddenButton(address_box.left+address_box.width-4, address_box.top-2, 20, skin.h-3, REFRESH_BUTTON);
DefineHiddenButton(Form.cwidth-31, address_box.top-3, 24, skin.h-1, SANDWICH_BUTTON);
img_draw stdcall(skin.image, Form.cwidth-27, address_box.top+1, 17, 18, 51, 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(history.current());
WB1.DrawScroller();
}
else {
WB1.DrawPage();
DrawOmnibox();
}
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()) {
OpenPage(history.current());
}
return;
case FORWARD_BUTTON:
if (history.forward()) {
OpenPage(history.current());
}
return;
case GOTOURL_BUTTON:
case SCAN_CODE_ENTER:
EventSubmitOmnibox();
return;
case REFRESH_BUTTON:
if (http.transfer > 0) {
StopLoading();
draw_window();
} else {
OpenPage(history.current());
}
return;
case SANDWICH_BUTTON:
EventShowPageMenu(Form.cwidth - 215, TOOLBAR_H-6);
return;
case VIEW_SOURCE:
EventViewSource();
break;
case EDIT_SOURCE:
if (check_is_the_adress_local(history.current())) {
RunProgram("/rd/1/tinypad", history.current());
} else {
CreateFile(bufsize, bufpointer, "/tmp0/1/WebView_tmp.htm");
if (!EAX) RunProgram("/rd/1/tinypad", "/tmp0/1/WebView_tmp.htm");
}
return;
case VIEW_HISTORY:
OpenPage(URL_SERVICE_HISTORY);
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;
}
}
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;
pause(10);
}
wv_progress_bar.value = 0;
DrawOmnibox();
}
/*
void ReplaceSpaceInUrl() {
int i;
char new_url[URL_SIZE];
strcpy(#new_url, history.current());
while (i = strchr(#new_url, ' '))
{
i -= #new_url;
strlcpy(#new_url+i+3, #new_url+i+1, URL_SIZE);
URL[i] = '%';
URL[i+1] = '2';
URL[i+2] = '0';
}
strcpy(#editURL, #new_url);
}
//bool strrpl(dword dst, from, to, dst_len); !!!!!!!!
*/
bool GetLocalFileData(dword _path)
{
dword data, size;
file_size stdcall (_path);
if (!EBX) {
return false;
} else {
size = EBX;
data = malloc(size);
ReadFile(0, size, data, _path);
LoadInternalPage(data, size);
free(data);
return true;
}
}
void OpenPage(dword _open_URL)
{
char new_url[URL_SIZE+1];
StopLoading();
strcpy(#editURL, _open_URL);
DrawOmnibox();
strncpy(#new_url, _open_URL, URL_SIZE);
//Exclude # from the URL to the load page
//We will bring it back when we get the buffer
if (strrchr(#new_url, '#')) anchors.take_anchor_from(#new_url);
history.add(#new_url);
if (!strncmp(#new_url,"WebView:",8)) {
//INTERNAL PAGE
if (!strcmp(#new_url, URL_SERVICE_HOMEPAGE)) LoadInternalPage(#homepage, sizeof(homepage));
else if (!strcmp(#new_url, URL_SERVICE_HELP)) LoadInternalPage(#help, sizeof(help));
else if (!strcmp(#new_url, URL_SERVICE_HISTORY)) ShowHistory();
else LoadInternalPage(#page_not_found, sizeof(page_not_found));
} else if (!strncmp(#new_url,"http:",5)) || (!strncmp(#new_url,"https:",6)) {
//WEB PAGE
//ReplaceSpaceInUrl(); !!!!!!!!
img_draw stdcall(skin.image, address_box.left+address_box.width+1,
address_box.top-3, 17, skin.h, 85, SKIN_Y);
if (!strncmp(#new_url,"http:",5)) {
http.get(#new_url);
} else if (!strncmp(#new_url,"https://",8)) {
strcpy(#new_url, "http://gate.aspero.pro/?site=");
strncat(#new_url, _open_URL, URL_SIZE);
http.get(#new_url);
}
if (!http.transfer) {
StopLoading();
LoadInternalPage(#page_not_found, sizeof(page_not_found));
}
} else {
//LOCAL PAGE
if (!GetLocalFileData(#new_url)) {
LoadInternalPage(#page_not_found, sizeof(page_not_found));
}
}
}
void EventClickLink(dword _click_URL)
{
char new_url[URL_SIZE];
if (ESBYTE[_click_URL]=='#') {
if (anchors.get_pos_by_name(_click_URL+1)!=-1) {
WB1.list.first = anchors.get_pos_by_name(_click_URL+1);
WB1.list.CheckDoesValuesOkey();
}
strcpy(#editURL, history.current());
strcat(#editURL, _click_URL);
DrawOmnibox();
WB1.DrawPage();
return;
}
if (!strncmp(_click_URL,"mailto:", 7)) || (!strncmp(_click_URL,"tel:", 4)) {
notify(_click_URL);
return;
}
if (http.transfer > 0) {
StopLoading();
history.back();
}
strcpy(#new_url, _click_URL);
GetAbsoluteURL(#new_url);
if (strrchr(#new_url, '#')!=0) {
anchors.take_anchor_from(#new_url);
OpenPage(#new_url);
return;
}
if (!strncmp(#new_url,"WebView:",8)) {
OpenPage(#new_url);
return;
}
if (strncmp(#new_url,"http://",7)!=0) && (strncmp(#new_url,"https://",8)!=0)
{
if (UrlExtIs(#new_url,".htm")!=true) && (UrlExtIs(#new_url,".html")!=true)
{
if (strchr(#new_url, '|')) {
ESBYTE[strchr(#new_url, '|')] = NULL;
RunProgram(#new_url, strlen(#new_url)+1+#new_url);
} else {
RunProgram("/sys/@open", #new_url);
}
return;
}
} else {
if (UrlExtIs(#new_url,".png")==true) || (UrlExtIs(#new_url,".jpg")==true)
|| (UrlExtIs(#new_url,".zip")==true) || (UrlExtIs(#new_url,".kex")==true) || (UrlExtIs(#new_url,".pdf")==true)
|| (UrlExtIs(#new_url,".7z")==true) {
if (!downloader_opened) {
strcpy(#downloader_edit, #new_url);
CreateThread(#Downloader,#downloader_stak+4092);
}
else notify("'WebView\nPlease, start a new download only when previous ended.'Et");
return;
}
}
OpenPage(#new_url);
}
void EventSubmitOmnibox()
{
char new_url[URL_SIZE+1];
if (!editURL[0]) return;
if (!strncmp(#editURL,"http:",5)) || (editURL[0]=='/')
|| (!strncmp(#editURL,"https:",6)) || (!strncmp(#editURL,"WebView:",8)) {
OpenPage(#editURL);
} else {
strcpy(#new_url, "http://");
strncat(#new_url, #editURL, sizeof(new_url)-1);
OpenPage(#new_url);
}
}
void DrawOmnibox()
{
int skin_x_offset;
DrawRectangle(address_box.left-2, address_box.top-3, address_box.width+5, 25,border_color);
DrawBar(address_box.left-2, address_box.top-2, address_box.width+3, 1,0xD8DCD8);
DrawBar(address_box.left-2, address_box.top-1, address_box.width+3, 1, address_box.color);
img_draw stdcall(skin.image, address_box.left-2, address_box.top-3, 2, skin.h, 102, SKIN_Y);
if (address_box.flags & ed_focus) address_box.flags = ed_focus; else address_box.flags = 0;
EditBox_UpdateText(#address_box, address_box.flags);
edit_box_draw stdcall(#address_box);
if (http.transfer > 0) skin_x_offset = 85; else skin_x_offset = 68;
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 LoadInternalPage(dword _bufdata, _in_bufsize){
if (!_bufdata) || (!_in_bufsize) {
LoadInternalPage(#page_not_found, sizeof(page_not_found));
} else if (source_mode) {
source_mode = false;
//WB1.ParseHtml();
ShowSource(_bufdata, _in_bufsize);
} else {
bufsize = _in_bufsize;
if (bufpointer!=_bufdata) free(bufpointer);
bufpointer = malloc(bufsize);
memmov(bufpointer, _bufdata, bufsize);
WB1.list.first = 0; //scroll page to the top
DrawOmnibox();
if(!strrchr(#editURL, '#')) {
strcat(#editURL, #anchors.current);
DrawOmnibox();
}
WB1.ParseHtml();
WB1.DrawPage();
}
}
byte UrlExtIs(dword base, ext)
{
if (!strcmpi(base + strlen(base) - 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-1, address_box.top+20, persent*address_box.width/100, 2, 0x72B7EB);
}
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();
}
}
void EventSeachWeb()
{
char new_url[URL_SIZE+1];
replace_char(#editURL, ' ', '_', URL_SIZE);
strcpy(#new_url, "https://www.google.com/search?q=");
strncat(#new_url, #editURL, URL_SIZE);
OpenPage(#new_url);
}
void EventOpenDialog()
{
OpenDialog_start stdcall (#o_dialog);
if (o_dialog.status) {
OpenPage(#openfile_path);
}
}
void EventViewSource()
{
char source_view_param[URL_SIZE+1];
strcpy(#source_view_param, "-s ");
strncat(#source_view_param, history.current(), URL_SIZE);
RunProgram(#program_path, #source_view_param);
}
void DrawStatusBar(dword _status_text)
{
status_text.start_x = 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: