RetroZilla/xpinstall/packager/win_gre/xpcom.js

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2015-10-26 02:24:50 +01:00
// this function verifies disk space in kilobytes
function verifyDiskSpace(dirPath, spaceRequired)
{
var spaceAvailable;
// Get the available disk space on the given path
spaceAvailable = fileGetDiskSpaceAvailable(dirPath);
// Convert the available disk space into kilobytes
spaceAvailable = parseInt(spaceAvailable / 1024);
// do the verification
if(spaceAvailable < spaceRequired)
{
logComment("Insufficient disk space: " + dirPath);
logComment(" required : " + spaceRequired + " K");
logComment(" available: " + spaceAvailable + " K");
return(false);
}
return(true);
}
// this function deletes a file if it exists
function deleteThisFile(dirKey, file)
{
var fFileToDelete;
fFileToDelete = getFolder(dirKey, file);
logComment("File to delete: " + fFileToDelete);
if(File.isFile(fFileToDelete))
{
File.remove(fFileToDelete);
return(true);
}
else
return(false);
}
// this function deletes a folder if it exists
function deleteThisFolder(dirKey, folder, recursiveDelete)
{
var fToDelete;
if(typeof recursiveDelete == "undefined")
recursiveDelete = true;
fToDelete = getFolder(dirKey, folder);
logComment("folder to delete: " + fToDelete);
if(File.isDirectory(fToDelete))
{
File.dirRemove(fToDelete, recursiveDelete);
return(true);
}
else
return(false);
}
// OS type detection
// which platform?
function getPlatform()
{
var platformStr;
var platformNode;
if('platform' in Install)
{
platformStr = new String(Install.platform);
if (!platformStr.search(/^Macintosh/))
platformNode = 'mac';
else if (!platformStr.search(/^Win/))
platformNode = 'win';
else if (!platformStr.search(/^OS\/2/))
platformNode = 'win';
else
platformNode = 'unix';
}
else
{
var fOSMac = getFolder("Mac System");
var fOSWin = getFolder("Win System");
logComment("fOSMac: " + fOSMac);
logComment("fOSWin: " + fOSWin);
if(fOSMac != null)
platformNode = 'mac';
else if(fOSWin != null)
platformNode = 'win';
else
platformNode = 'unix';
}
return platformNode;
}
function upgradeCleanup()
{
deleteThisFile("Program", "zlib.dll");
deleteThisFile("Program", "component.reg");
deleteThisFile("Components", "compreg.dat");
deleteThisFile("Components", "xpti.dat");
deleteThisFile("Components", "xptitemp.dat");
}
// main
var srDest;
var err;
var szUninstall;
var fProgram;
var fWindowsSystem;
var fileComponentReg;
var fileComponentRegStr;
var fileMsvcrt;
var fileMsvcirt;
srDest = 1;
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err = initInstall("Mozilla XPCOM", "XPCOM", "2.0.0.0000000000");
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logComment("initInstall: " + err);
fProgram = getFolder("Program");
fWindowsSystem = getFolder("Win System");
logComment("fProgram: " + fProgram);
// build the uninstall folder path
szUninstall = fProgram + "Uninstall";
// Log component.reg file so it can be deleted by the uninstaller.
// These two files are created after installation is done, thus
// are normally not logged for uninstall.
logComment("Installing: " + fProgram + "component.reg");
if(verifyDiskSpace(fProgram, srDest))
{
setPackageFolder(fProgram);
upgradeCleanup();
err = addDirectory("",
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"2.0.0.0000000000",
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"bin", // dir name in jar to extract
fProgram, // Where to put this file (Returned from GetFolder)
"", // subdir name to create relative to fProgram
true); // Force Flag
logComment("addDirectory() of Program returned: " + err);
if( err == SUCCESS )
{
// install msvcrt.dll *only* if it does not exist
// we don't care if addFile() fails (if the file does not exist in the archive)
// bacause it will still install
fileMsvcrt = getFolder(fWindowsSystem, "msvcrt.dll");
rv = File.exists(fileMsvcrt);
logComment("fileExists() returned: " + rv);
if(rv == false)
{
logComment("File not found: " + fileMsvcrt);
addFile("/Microsoft/Shared/msvcrt.dll",
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"2.0.0.0000000000",
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"msvcrt.dll", // dir name in jar to extract
fWindowsSystem, // Where to put this file (Returned from getFolder)
"", // subdir name to create relative to fProgram
WIN_SHARED_FILE);
logComment("addFile() of msvcrt.dll returned: " + err);
}
else
{
logComment("File found: " + fileMsvcrt);
}
// install msvcirt.dll *only* if it does not exist
// we don't care if addFile() fails (if the file does not exist in the archive)
// bacause it will still install
fileMsvcirt = getFolder(fWindowsSystem, "msvcirt.dll");
rv = File.exists(fileMsvcirt);
logComment("fileExists() returned: " + rv);
if(rv == false)
{
logComment("File not found: " + fileMsvcirt);
addFile("/Microsoft/Shared/msvcirt.dll",
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"2.0.0.0000000000",
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"msvcirt.dll", // dir name in jar to extract
fWindowsSystem, // Where to put this file (Returned from getFolder)
"", // subdir name to create relative to fProgram
WIN_SHARED_FILE);
logComment("addFile() of msvcirt.dll returned: " + err);
}
else
{
logComment("File found: " + fileMsvcirt);
}
}
// check return value
if( err == SUCCESS )
{
err = performInstall();
logComment("performInstall() returned: " + err);
}
else
cancelInstall(err);
}
else
cancelInstall(INSUFFICIENT_DISK_SPACE);
// end main