DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Untracked file

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Communicator client code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#import <Cocoa/Cocoa.h>

#include "nsNativeAppSupport.h"
#include "nsString.h"

#include <Gestalt.h>
#include <Dialogs.h>
#include <Resources.h>
#include <TextUtils.h>

#include "nsIObserver.h"

#define rSplashDialog 512

const OSType kNSCreator = 'MOSS';
const OSType kMozCreator = 'MOZZ';
const SInt16 kNSCanRunStrArrayID = 1000;
const SInt16 kAnotherVersionStrIndex = 1;

class nsSplashScreenCocoa : public nsISplashScreen,
                          public nsIObserver
{
public:

    // dialog itemse
    enum {
      eSplashPictureItem = 1,
      eSplashStatusTextItem    
    };
    
            nsSplashScreenCocoa();    
    virtual ~nsSplashScreenCocoa();

    NS_DECL_ISUPPORTS

    NS_IMETHOD Show();
    NS_IMETHOD Hide();

    NS_DECL_NSIOBSERVER

protected:

    DialogPtr mDialog;

}; // class nsSplashScreenCocoa


nsSplashScreenCocoa::nsSplashScreenCocoa()
: mDialog(nsnull)
{
}


nsSplashScreenCocoa::~nsSplashScreenCocoa()
{
  Hide();
}


NS_IMPL_ISUPPORTS2(nsSplashScreenCocoa, nsISplashScreen, nsIObserver)

NS_IMETHODIMP
nsSplashScreenCocoa::Show()
{
printf("-- nsSplashScreenCocoa::Show()\n");
#if 0
  mDialog = ::GetNewDialog(rSplashDialog, nil, (WindowPtr)-1L);
  if (!mDialog) return NS_ERROR_FAILURE;

  ::ShowWindow(GetDialogWindow(mDialog));
  ::SetPortDialogPort(mDialog);

  ::DrawDialog(mDialog);    // we don't handle events for this dialog, so we
                            // need to draw explicitly. Yuck.
#endif
  return NS_OK;
}

NS_IMETHODIMP
nsSplashScreenCocoa::Hide()
{
printf("-- nsSplashScreenCocoa::Hide()\n");
#if 0
  if (mDialog)
  {
    ::DisposeDialog( mDialog );
    mDialog = nsnull;
  }
#endif
  return NS_OK;
}


NS_IMETHODIMP
nsSplashScreenCocoa::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *someData)
{
  // update a string in the dialog
  
  nsCAutoString statusString;
  statusString.AssignWithConversion(someData);
printf("\n[[[ Splash Screen -- %s ]]]\n\n", (const char *)statusString.get());

#if 0
  Handle    item = nsnull;
  Rect      itemRect;
  short     itemType;
  ::GetDialogItem(mDialog, eSplashStatusTextItem, &itemType, &item, &itemRect);
  if (!item) return NS_OK;
  
  // convert string to Pascal string
  Str255    statusPStr;
  PRInt32   maxLen = statusString.Length();
  if (maxLen > 254)
    maxLen = 254;
  strncpy((char *)&statusPStr[1], (const char *)statusString, maxLen);
  statusPStr[0] = maxLen;
  
  ::SetDialogItemText(item, statusPStr);
  ::DrawDialog(mDialog);
#endif
  return NS_OK;
}


#pragma mark -

nsresult NS_CreateSplashScreen(nsISplashScreen**aResult)
{
  if ( aResult ) {  
      *aResult = new nsSplashScreenCocoa;
      if ( *aResult ) {
          NS_ADDREF( *aResult );
          return NS_OK;
      } else {
          return NS_ERROR_OUT_OF_MEMORY;
      }
  } else {
      return NS_ERROR_NULL_POINTER;
  }
}

// Snagged from mozilla/xpinstall/wizrd/mac/src/SetupTypeWin.c
// VersGreaterThan4 - utility function to test if it's >4.x running
static Boolean VersGreaterThan4(FSSpec *fSpec)
{
  Boolean result = false;
  short fRefNum = 0;
  
  ::SetResLoad(false);
  fRefNum = ::FSpOpenResFile(fSpec, fsRdPerm);
  ::SetResLoad(true);
  if (fRefNum != -1)
  {
    Handle  h;
    h = ::Get1Resource('vers', 2);
    if (h && **(unsigned short**)h >= 0x0500)
      result = true;
    ::CloseResFile(fRefNum);
  }
    
  return result;
}

PRBool NS_CanRun() 
{
  // init Cocoa before anything else happens, like showing the 
  // splash screen.
  // XXX We leak the pool, but that's ok, it'll go away when the app quits
  [NSApplication sharedApplication];
  NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
  
  return PR_TRUE;
#if 0
  // Check for running instances of Mozilla or Netscape. The real issue
  // is having more than one app use the same profile directory. That would
  // be REAL BAD!!!!!!!!

  // The code below is a copy of nsLocalFile::FindRunningAppBySignature which is
  // a non-static method. Sounds silly that I have to create an nsILocalFile
  // just to call that method. At any rate, don't think we want to go through
  // all that rigmarole during startup anyway.

  ProcessInfoRec  info;
  FSSpec          tempFSSpec;
  ProcessSerialNumber psn, nextProcessPsn;

  nextProcessPsn.highLongOfPSN = 0;
  nextProcessPsn.lowLongOfPSN  = kNoProcess;

  // first, get our psn so that we can exclude ourselves when searching
  err = ::GetCurrentProcess(&psn);

  if (err != noErr)
    return PR_FALSE;

  // We loop while err == noErr, which should mean all our calls are OK
  // The ways of 'break'-ing out of the loop are:
  //   GetNextProcess() fails (this includes getting procNotFound, meaning we're at the end of the process list),
  //   GetProcessInformation() fails
  // The ways we should fall out of the while loop are:
  //   GetIndString() fails, err == resNotFound,
  //   we found a running mozilla process or running Netscape > 4.x process, err == fnfErr
  while (err == noErr)
  {
    err = ::GetNextProcess(&nextProcessPsn);
    if (err != noErr)
      break; // most likely, end of process list
    info.processInfoLength = sizeof(ProcessInfoRec);
    info.processName = nil;
    info.processAppSpec = &tempFSSpec;
    err = ::GetProcessInformation(&nextProcessPsn, &info);
    if (err != noErr)
      break; // aww crap, GetProcessInfo() failed, we're outta here

    if (info.processSignature == kNSCreator || info.processSignature == kMozCreator)
    {
      // if the found process is us, obviously, it's okay if WE'RE running,
      if (!(info.processNumber.lowLongOfPSN == psn.lowLongOfPSN &&
            info.processNumber.highLongOfPSN == psn.highLongOfPSN))
      {
        // check to see if Netscape process is greater than Netscape 4.x or
        // if process is Mozilla
        if ((info.processSignature == kNSCreator && VersGreaterThan4(&tempFSSpec)) ||
             info.processSignature == kMozCreator)
        {
          // put up error dialog
          Str255 str;
          ::GetIndString(str, kNSCanRunStrArrayID, kAnotherVersionStrIndex);
          if (StrLength(str) == 0)
            err = resNotFound; // set err to something so that we return false
          else
          {
            SInt16 outItemHit;
            if (str)
              ::StandardAlert(kAlertStopAlert, str, nil, nil, &outItemHit);
            err = fnfErr; // set err to something so that we return false
          }
        }
      }
    }
  }

  if (err == noErr || err == procNotFound)
    return PR_TRUE;

  return PR_FALSE;
#endif
}