void FileWriter::didWrite(long long bytes, bool complete)
{
if (m_operationInProgress == OperationAbort) {
completeAbort();
return;
}
ASSERT(m_readyState == WRITING);
ASSERT(m_truncateLength == -1);
ASSERT(m_operationInProgress == OperationWrite);
ASSERT(bytes + m_bytesWritten > 0);
ASSERT(bytes + m_bytesWritten <= m_bytesToWrite);
m_bytesWritten += bytes;
ASSERT((m_bytesWritten == m_bytesToWrite) || !complete);
setPosition(position() + bytes);
if (position() > length())
setLength(position());
if (complete) {
m_blobBeingWritten.clear();
m_operationInProgress = OperationNone;
}
// TODO: Throttle to no more frequently than every 50ms.
int numAborts = m_numAborts;
fireEvent(eventNames().progressEvent);
// We could get an abort in the handler for this event. If we do, it's
// already handled the cleanup and signalCompletion call.
if (complete) {
if (numAborts == m_numAborts)
signalCompletion(FileError::OK);
unsetPendingActivity(this);
}
}
void FileWriter::didWrite(long long bytes, bool complete)
{
if (m_operationInProgress == OperationAbort) {
completeAbort();
return;
}
ASSERT(m_readyState == WRITING);
ASSERT(m_truncateLength == -1);
ASSERT(m_operationInProgress == OperationWrite);
ASSERT(!m_bytesToWrite || bytes + m_bytesWritten > 0);
ASSERT(bytes + m_bytesWritten <= m_bytesToWrite);
m_bytesWritten += bytes;
ASSERT((m_bytesWritten == m_bytesToWrite) || !complete);
setPosition(position() + bytes);
if (position() > length())
setLength(position());
if (complete) {
m_blobBeingWritten.clear();
m_operationInProgress = OperationNone;
}
int numAborts = m_numAborts;
// We could get an abort in the handler for this event. If we do, it's
// already handled the cleanup and signalCompletion call.
double now = currentTimeMS();
if (complete || !m_lastProgressNotificationTimeMS || (now - m_lastProgressNotificationTimeMS > progressNotificationIntervalMS)) {
m_lastProgressNotificationTimeMS = now;
fireEvent(EventTypeNames::progress);
}
if (complete) {
if (numAborts == m_numAborts)
signalCompletion(FileError::OK);
}
}
void FileWriter::didFail(WebFileError code)
{
ASSERT(m_operationInProgress != OperationNone);
ASSERT(static_cast<FileError::ErrorCode>(code) != FileError::OK);
if (m_operationInProgress == OperationAbort) {
completeAbort();
return;
}
ASSERT(m_queuedOperation == OperationNone);
ASSERT(m_readyState == WRITING);
m_blobBeingWritten.clear();
m_operationInProgress = OperationNone;
signalCompletion(static_cast<FileError::ErrorCode>(code));
}
void FileWriter::didTruncate()
{
if (m_operationInProgress == OperationAbort) {
completeAbort();
return;
}
ASSERT(m_operationInProgress == OperationTruncate);
ASSERT(m_truncateLength >= 0);
setLength(m_truncateLength);
if (position() > length())
setPosition(length());
m_operationInProgress = OperationNone;
signalCompletion(FileError::OK);
}
void FileWriter::didFail(FileError::ErrorCode code)
{
ASSERT(m_operationInProgress != OperationNone);
ASSERT(code != FileError::OK);
if (m_operationInProgress == OperationAbort) {
completeAbort();
return;
}
ASSERT(code != FileError::ABORT_ERR);
ASSERT(m_queuedOperation == OperationNone);
ASSERT(m_readyState == WRITING);
m_blobBeingWritten.clear();
m_operationInProgress = OperationNone;
signalCompletion(code);
unsetPendingActivity(this);
}