reactos/dll/cpl/inetcpl/general.c

   1 /*
   2  * Internet control panel applet: general propsheet
   3  *
   4  * Copyright 2010 Detlef Riekenberg
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  */
  21
  22 #include "inetcpl.h"
  23
  24 #include <wininet.h>
  25 #include <shlobj.h>
  26
  27 static const WCHAR about_blank[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
  28 static const WCHAR start_page[] = {'S','t','a','r','t',' ','P','a','g','e',0};
  29 static const WCHAR reg_ie_main[] = {'S','o','f','t','w','a','r','e','\\',
  30                                     'M','i','c','r','o','s','o','f','t','\\',
  31                                     'I','n','t','e','r','n','e','t',' ','E','x','p','l','o','r','e','r','\\',
  32                                     'M','a','i','n',0};
  33
  34 /* list of unimplemented buttons */
  35 static DWORD disabled_general_buttons[] = {IDC_HOME_CURRENT,
  36                                            IDC_HOME_DEFAULT,
  37                                            IDC_HISTORY_SETTINGS,
  38                                            0};
  39 static DWORD disabled_delhist_buttons[] = {IDC_DELETE_FORM_DATA,
  40                                            IDC_DELETE_PASSWORDS,
  41                                            0};
  42
  43 /*********************************************************************
  44  * delhist_on_command [internal]
  45  *
  46  * handle WM_COMMAND in Delete browsing history dialog
  47  *
  48  */
  49 static INT_PTR delhist_on_command(HWND hdlg, WPARAM wparam)
  50 {
  51     switch (wparam)
  52     {
  53         case MAKEWPARAM(IDOK, BN_CLICKED):
  54             if (IsDlgButtonChecked(hdlg, IDC_DELETE_TEMP_FILES))
  55                 FreeUrlCacheSpaceW(NULL, 100, 0);
  56
  57             if (IsDlgButtonChecked(hdlg, IDC_DELETE_COOKIES))
  58             {
  59                 WCHAR pathW[MAX_PATH];
  60
  61                 if(SHGetSpecialFolderPathW(NULL, pathW, CSIDL_COOKIES, TRUE))
  62                     FreeUrlCacheSpaceW(pathW, 100, 0);
  63             }
  64
  65             if (IsDlgButtonChecked(hdlg, IDC_DELETE_HISTORY))
  66             {
  67                 WCHAR pathW[MAX_PATH];
  68
  69                 if(SHGetSpecialFolderPathW(NULL, pathW, CSIDL_HISTORY, TRUE))
  70                     FreeUrlCacheSpaceW(pathW, 100, 0);
  71             }
  72
  73             EndDialog(hdlg, IDOK);
  74             return TRUE;
  75
  76         case MAKEWPARAM(IDCANCEL, BN_CLICKED):
  77             EndDialog(hdlg, IDCANCEL);
  78             return TRUE;
  79
  80         case MAKEWPARAM(IDC_DELETE_TEMP_FILES, BN_CLICKED):
  81         case MAKEWPARAM(IDC_DELETE_COOKIES, BN_CLICKED):
  82         case MAKEWPARAM(IDC_DELETE_HISTORY, BN_CLICKED):
  83         case MAKEWPARAM(IDC_DELETE_FORM_DATA, BN_CLICKED):
  84         case MAKEWPARAM(IDC_DELETE_PASSWORDS, BN_CLICKED):
  85         {
  86             BOOL any = IsDlgButtonChecked(hdlg, IDC_DELETE_TEMP_FILES) ||
  87                        IsDlgButtonChecked(hdlg, IDC_DELETE_COOKIES) ||
  88                        IsDlgButtonChecked(hdlg, IDC_DELETE_HISTORY) ||
  89                        IsDlgButtonChecked(hdlg, IDC_DELETE_FORM_DATA) ||
  90                        IsDlgButtonChecked(hdlg, IDC_DELETE_PASSWORDS);
  91             EnableWindow(GetDlgItem(hdlg, IDOK), any);
  92             break;
  93         }
  94
  95         default:
  96             break;
  97     }
  98     return FALSE;
  99 }
 100
 101
 102 /*********************************************************************
 103  * delhist_dlgproc [internal]
 104  *
 105  * Delete browsing history dialog procedure
 106  *
 107  */
 108 static INT_PTR CALLBACK delhist_dlgproc(HWND hdlg, UINT msg, WPARAM wparam, LPARAM lparam)
 109 {
 110     switch (msg)
 111     {
 112         case WM_COMMAND:
 113             return delhist_on_command(hdlg, wparam);
 114
 115         case WM_INITDIALOG:
 116         {
 117             DWORD *ptr = disabled_delhist_buttons;
 118             while (*ptr)
 119             {
 120                 EnableWindow(GetDlgItem(hdlg, *ptr), FALSE);
 121                 ptr++;
 122             }
 123             CheckDlgButton(hdlg, IDC_DELETE_TEMP_FILES, BST_CHECKED);
 124             break;
 125         }
 126
 127         default:
 128             break;
 129     }
 130     return FALSE;
 131 }
 132
 133 /*********************************************************************
 134  * parse_url_from_outside [internal]
 135  *
 136  * Filter an URL, add a usable scheme, when needed
 137  *
 138  */
 139 static DWORD parse_url_from_outside(LPCWSTR url, LPWSTR out, DWORD maxlen)
 140 {
 141     HMODULE hdll;
 142     DWORD (WINAPI *pParseURLFromOutsideSourceW)(LPCWSTR, LPWSTR, LPDWORD, LPDWORD);
 143     DWORD res;
 144
 145     hdll = LoadLibraryA("shdocvw.dll");
 146     pParseURLFromOutsideSourceW = (void *) GetProcAddress(hdll, (LPSTR) 170);
 147
 148     if (pParseURLFromOutsideSourceW)
 149     {
 150         res = pParseURLFromOutsideSourceW(url, out, &maxlen, NULL);
 151         FreeLibrary(hdll);
 152         return res;
 153     }
 154
 155     ERR("failed to get ordinal 170: %d\n", GetLastError());
 156     FreeLibrary(hdll);
 157     return 0;
 158 }
 159
 160 /*********************************************************************
 161  * general_on_command [internal]
 162  *
 163  * handle WM_COMMAND
 164  *
 165  */
 166 static INT_PTR general_on_command(HWND hwnd, WPARAM wparam)
 167 {
 168
 169     switch (wparam)
 170     {
 171         case MAKEWPARAM(IDC_HOME_EDIT, EN_CHANGE):
 172             /* enable apply button */
 173             SendMessageW(GetParent(hwnd), PSM_CHANGED, (WPARAM)hwnd, 0);
 174             break;
 175
 176         case MAKEWPARAM(IDC_HOME_BLANK, BN_CLICKED):
 177             SetDlgItemTextW(hwnd, IDC_HOME_EDIT, about_blank);
 178             break;
 179
 180         case MAKEWPARAM(IDC_HISTORY_DELETE, BN_CLICKED):
 181             DialogBoxW(hcpl, MAKEINTRESOURCEW(IDD_DELETE_HISTORY), hwnd,
 182                        delhist_dlgproc);
 183             break;
 184
 185         default:
 186             TRACE("not implemented for command: %d/%d\n", HIWORD(wparam),  LOWORD(wparam));
 187             return FALSE;
 188     }
 189     return TRUE;
 190 }
 191
 192 /*********************************************************************
 193  * general_on_initdialog [internal]
 194  *
 195  * handle WM_INITDIALOG
 196  *
 197  */
 198 static VOID general_on_initdialog(HWND hwnd)
 199 {
 200     WCHAR buffer[INTERNET_MAX_URL_LENGTH];
 201     DWORD len;
 202     DWORD type;
 203     LONG res;
 204     DWORD *ptr = disabled_general_buttons;
 205
 206     /* disable unimplemented buttons */
 207     while (*ptr)
 208     {
 209         EnableWindow(GetDlgItem(hwnd, *ptr), FALSE);
 210         ptr++;
 211     }
 212
 213     /* read current homepage from the registry. Try HCU first, then HKLM */
 214     *buffer = 0;
 215     len = sizeof(buffer);
 216     type = REG_SZ;
 217     res = SHRegGetUSValueW(reg_ie_main, start_page, &type, buffer, &len, FALSE, (LPBYTE) about_blank, sizeof(about_blank));
 218
 219     if (!res && (type == REG_SZ))
 220     {
 221         SetDlgItemTextW(hwnd, IDC_HOME_EDIT, buffer);
 222     }
 223 }
 224
 225 /*********************************************************************
 226  * general_on_notify [internal]
 227  *
 228  * handle WM_NOTIFY
 229  *
 230  */
 231 static INT_PTR general_on_notify(HWND hwnd, WPARAM wparam, LPARAM lparam)
 232 {
 233     PSHNOTIFY *psn;
 234     WCHAR buffer[INTERNET_MAX_URL_LENGTH];
 235     WCHAR parsed[INTERNET_MAX_URL_LENGTH];
 236     LONG res;
 237
 238     psn = (PSHNOTIFY *) lparam;
 239     TRACE("WM_NOTIFY (%p, 0x%lx, 0x%lx) from %p with code: %d\n", hwnd, wparam, lparam,
 240             psn->hdr.hwndFrom, psn->hdr.code);
 241
 242     if (psn->hdr.code == PSN_APPLY)
 243     {
 244         *buffer = 0;
 245         GetDlgItemTextW(hwnd, IDC_HOME_EDIT, buffer, sizeof(buffer)/sizeof(WCHAR));
 246         TRACE("EDITTEXT has %s\n", debugstr_w(buffer));
 247
 248         res = parse_url_from_outside(buffer, parsed, sizeof(parsed)/sizeof(WCHAR));
 249         TRACE("got %d with %s\n", res, debugstr_w(parsed));
 250
 251         if (res)
 252         {
 253             HKEY hkey;
 254
 255             /* update the dialog, when needed */
 256             if (lstrcmpW(buffer, parsed))
 257                 SetDlgItemTextW(hwnd, IDC_HOME_EDIT, parsed);
 258
 259             /* update the registry */
 260             res = RegOpenKeyW(HKEY_CURRENT_USER, reg_ie_main, &hkey);
 261             if (!res)
 262             {
 263                 res = RegSetValueExW(hkey, start_page, 0, REG_SZ, (const BYTE *)parsed,
 264                                     (lstrlenW(parsed) + 1) * sizeof(WCHAR));
 265                 RegCloseKey(hkey);
 266                 return !res;
 267             }
 268         }
 269     }
 270     return FALSE;
 271 }
 272
 273 /*********************************************************************
 274  * general_dlgproc [internal]
 275  *
 276  */
 277 INT_PTR CALLBACK general_dlgproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
 278 {
 279
 280     switch (msg)
 281     {
 282         case WM_INITDIALOG:
 283             general_on_initdialog(hwnd);
 284             return TRUE;
 285
 286         case WM_COMMAND:
 287             return general_on_command(hwnd, wparam);
 288
 289         case WM_NOTIFY:
 290             return general_on_notify(hwnd, wparam, lparam);
 291
 292         default:
 293             /* do not flood the log */
 294             if ((msg == WM_SETCURSOR) || (msg == WM_NCHITTEST) || (msg == WM_MOUSEMOVE))
 295                 return FALSE;
 296
 297             TRACE("(%p, 0x%08x/%d, 0x%lx, 0x%lx)\n", hwnd, msg, msg, wparam, lparam);
 298
 299     }
 300     return FALSE;
 301 }