mDNSWindows/Applications/RendezvousBrowser/WindowsCE/Sources/BrowserDialog.cpp

   1 /*
   2  * Copyright (c) 2002-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24
  25     Change History (most recent first):
  26
  27 $Log: BrowserDialog.cpp,v $
  28 Revision 1.1  2003/08/21 02:16:10  bradley
  29 Rendezvous Browser for HTTP services for Windows CE/PocketPC.
  30
  31 */
  32
  33 #include        "stdafx.h"
  34
  35 #include        "Application.h"
  36
  37 #include        "DNSServices.h"
  38
  39 #include        "BrowserDialog.h"
  40
  41 #ifdef _DEBUG
  42 #define new DEBUG_NEW
  43 #undef THIS_FILE
  44 static char THIS_FILE[] = __FILE__;
  45 #endif
  46
  47 //===========================================================================================================================
  48 //      Message Map
  49 //===========================================================================================================================
  50
  51 BEGIN_MESSAGE_MAP(BrowserDialog, CDialog)
  52         //{{AFX_MSG_MAP(BrowserDialog)
  53         //}}AFX_MSG_MAP
  54 END_MESSAGE_MAP()
  55
  56 static DWORD    UTF8StringToStringObject( const char *inUTF8, CString &inObject );
  57
  58 //===========================================================================================================================
  59 //      BrowserDialog
  60 //===========================================================================================================================
  61
  62 BrowserDialog::BrowserDialog( CWnd *inParent )
  63         : CDialog( BrowserDialog::IDD, inParent )
  64 {
  65         //{{AFX_DATA_INIT(BrowserDialog)
  66                 // NOTE: the ClassWizard will add member initialization here
  67         //}}AFX_DATA_INIT
  68
  69         // Note that LoadIcon does not require a subsequent DestroyIcon in Win32.
  70
  71         mIcon = AfxGetApp()->LoadIcon( IDR_MAINFRAME );
  72 }
  73
  74 //===========================================================================================================================
  75 //      DoDataExchange
  76 //===========================================================================================================================
  77
  78 void    BrowserDialog::DoDataExchange( CDataExchange *pDX )
  79 {
  80         CDialog::DoDataExchange(pDX);
  81         //{{AFX_DATA_MAP(BrowserDialog)
  82         DDX_Control(pDX, IDC_BROWSE_LIST, mBrowserList);
  83         //}}AFX_DATA_MAP
  84 }
  85
  86 //===========================================================================================================================
  87 //      OnInitDialog
  88 //===========================================================================================================================
  89
  90 BOOL    BrowserDialog::OnInitDialog()
  91 {
  92         CString         s;
  93
  94         CDialog::OnInitDialog();
  95
  96         // Set the icon for this dialog. The framework does this automatically when the application's main window is not a dialog.
  97
  98         SetIcon( mIcon, TRUE );         // Set big icon
  99         SetIcon( mIcon, FALSE );        // Set small icon
 100
 101         CenterWindow( GetDesktopWindow() );
 102
 103         // Set up the list.
 104
 105         CRect           rect;
 106
 107         s.LoadString( IDS_BROWSER_LIST_COLUMN_NAME );
 108         mBrowserList.GetWindowRect( rect );
 109         mBrowserList.InsertColumn( 0, s, LVCFMT_LEFT, rect.Width() - 8 );
 110
 111         // Start browsing for services.
 112
 113         DNSStatus               err;
 114
 115         err = DNSBrowserCreate( 0, BrowserCallBack, this, &mBrowser );
 116         if( err )
 117         {
 118                 AfxMessageBox( IDP_SOCKETS_INIT_FAILED );
 119                 goto exit;
 120         }
 121
 122         err = DNSBrowserStartServiceSearch( mBrowser, 0, "_http._tcp", NULL );
 123         if( err )
 124         {
 125                 AfxMessageBox( IDP_SOCKETS_INIT_FAILED );
 126                 goto exit;
 127         }
 128
 129 exit:
 130         return( TRUE );
 131 }
 132
 133 //===========================================================================================================================
 134 //      BrowserCallBack [static]
 135 //===========================================================================================================================
 136
 137 void
 138         BrowserDialog::BrowserCallBack(
 139                 void *                                  inContext,
 140                 DNSBrowserRef                   inRef,
 141                 DNSStatus                               inStatusCode,
 142                 const DNSBrowserEvent * inEvent )
 143 {
 144         BrowserDialog *         dialog;
 145
 146         DNS_UNUSED( inStatusCode );
 147         dialog = reinterpret_cast < BrowserDialog * > ( inContext );
 148
 149         switch( inEvent->type )
 150         {
 151                 case kDNSBrowserEventTypeAddService:
 152                         dialog->BrowserAddService( inEvent->data.addService.name );
 153                         break;
 154
 155                 case kDNSBrowserEventTypeRemoveService:
 156                         dialog->BrowserRemoveService( inEvent->data.removeService.name );
 157                         break;
 158
 159                 default:
 160                         break;
 161         }
 162 }
 163
 164 //===========================================================================================================================
 165 //      BrowserAddService
 166 //===========================================================================================================================
 167
 168 void    BrowserDialog::BrowserAddService( const char *inName )
 169 {
 170         BrowserEntry            newEntry;
 171         INT_PTR                         n;
 172         INT_PTR                         i;
 173
 174         UTF8StringToStringObject( inName, newEntry.name );
 175
 176         n = mBrowserEntries.GetSize();
 177         for( i = 0; i < n; ++i )
 178         {
 179                 BrowserEntry &          entry = mBrowserEntries.ElementAt( i );
 180
 181                 if( entry.name.CompareNoCase( newEntry.name ) == 0 )
 182                 {
 183                         break;
 184                 }
 185         }
 186         if( i >= n )
 187         {
 188                 mBrowserEntries.Add( newEntry );
 189                 mBrowserList.InsertItem( i, newEntry.name );
 190         }
 191 }
 192
 193 //===========================================================================================================================
 194 //      BrowserRemoveService
 195 //===========================================================================================================================
 196
 197 void    BrowserDialog::BrowserRemoveService( const char *inName )
 198 {
 199         BrowserEntry            newEntry;
 200         INT_PTR                         n;
 201         INT_PTR                         i;
 202
 203         UTF8StringToStringObject( inName, newEntry.name );
 204
 205         n = mBrowserEntries.GetSize();
 206         for( i = 0; i < n; ++i )
 207         {
 208                 BrowserEntry &          entry = mBrowserEntries.ElementAt( i );
 209
 210                 if( entry.name.CompareNoCase( newEntry.name ) == 0 )
 211                 {
 212                         break;
 213                 }
 214         }
 215         if( i < n )
 216         {
 217                 mBrowserEntries.RemoveAt( i );
 218                 mBrowserList.DeleteItem( i );
 219         }
 220 }
 221
 222 #if 0
 223 #pragma mark -
 224 #endif
 225
 226 //===========================================================================================================================
 227 //      UTF8StringToStringObject
 228 //===========================================================================================================================
 229
 230 static DWORD    UTF8StringToStringObject( const char *inUTF8, CString &inObject )
 231 {
 232         DWORD                   err;
 233         int                             n;
 234         wchar_t *               unicode;
 235
 236         unicode = NULL;
 237
 238         n = MultiByteToWideChar( CP_UTF8, 0, inUTF8, -1, NULL, 0 );
 239         if( n > 0 )
 240         {
 241                 unicode = (wchar_t *) malloc( (size_t)( n * sizeof( wchar_t ) ) );
 242                 if( !unicode ) { err = ERROR_INSUFFICIENT_BUFFER; goto exit; };
 243
 244                 n = MultiByteToWideChar( CP_UTF8, 0, inUTF8, -1, unicode, n );
 245                 inObject = unicode;
 246         }
 247         else
 248         {
 249                 inObject = "";
 250         }
 251         err = 0;
 252
 253 exit:
 254         if( unicode )
 255         {
 256                 free( unicode );
 257         }
 258         return( err );
 259 }