/**
* Return a FileSystem object.
*/
void PhoneGapFile::actionRequestFileSystem(PhoneGapMessage& message)
{
lprintfln("@@@ actionRequestFileSystem\n");
String callbackID = message.getParam("PhoneGapCallBackId");
// We support only persistent storage.
int type = message.getArgsFieldInt("type");
if (LOCALFILESYSTEM_PERSISTENT != type)
{
callFileError(callbackID, FILEERROR_NO_MODIFICATION_ALLOWED_ERR);
return;
}
// Size parameter must be zero.
int size = message.getArgsFieldInt("size");
if (0 != size)
{
callFileError(callbackID, FILEERROR_NO_MODIFICATION_ALLOWED_ERR);
return;
}
// TODO: Replace hard-coded path with platform aware path handling.
String rootEntry = emitDirectoryEntry("sdcard", "/sdcard");
String fileSystemInfo = emitFileSystemInfo("persistent", rootEntry);
callSuccess(
callbackID,
fileSystemInfo,
"window.localFileSystem._castFS");
}
void PhoneGapFile::actionTruncate(PhoneGapMessage& message)
{
lprintfln("@@@ actionTruncate\n");
String callbackID = message.getParam("PhoneGapCallBackId");
String fullPath = message.getArgsField("fileName");
int size = message.getArgsFieldInt("size");
int result = FileTruncate(fullPath, size);
if (result < 0)
{
callFileError(callbackID, FILEERROR_NOT_FOUND_ERR);
return;
}
// Send back the result, the new length of the file.
char lengthBuf[32];
sprintf(lengthBuf, "%i", result);
callSuccess(callbackID, lengthBuf);
}
void PhoneGapFile::actionWrite(PhoneGapMessage& message)
{
lprintfln("@@@ actionWrite\n");
String callbackID = message.getParam("PhoneGapCallBackId");
String fullPath = message.getArgsField("fileName");
String data = message.getArgsField("data");
int position = message.getArgsFieldInt("position");
int result = FileWrite(fullPath, data, position);
if (result < 0)
{
callFileError(callbackID, FILEERROR_NO_MODIFICATION_ALLOWED_ERR);
return;
}
// Send back the new file size.
char sizeBuf[32];
sprintf(sizeBuf, "%i", FileGetSize(fullPath));
callSuccess(
callbackID,
sizeBuf);
}