C++ (Cpp) WillDoNotify示例

示例#1

文件： nsTransactionManager.cpp 项目： FunkyVerb/devtools-window

NS_IMETHODIMP
nsTransactionManager::DoTransaction(nsITransaction *aTransaction)
{
  nsresult result;

  NS_ENSURE_TRUE(aTransaction, NS_ERROR_NULL_POINTER);

  bool doInterrupt = false;

  result = WillDoNotify(aTransaction, &doInterrupt);

  if (NS_FAILED(result)) {
    return result;
  }

  if (doInterrupt) {
    return NS_OK;
  }

  result = BeginTransaction(aTransaction);

  if (NS_FAILED(result)) {
    DidDoNotify(aTransaction, result);
    return result;
  }

  result = EndTransaction();

  nsresult result2 = DidDoNotify(aTransaction, result);

  if (NS_SUCCEEDED(result))
    result = result2;

  return result;
}

示例#2

文件： nsTransactionManager.cpp 项目： MozillaOnline/gecko-dev

NS_IMETHODIMP
nsTransactionManager::DoTransaction(nsITransaction *aTransaction)
{
  nsresult result;

  if (!aTransaction)
    return NS_ERROR_NULL_POINTER;

  LOCK_TX_MANAGER(this);

  PRBool doInterrupt = PR_FALSE;

  result = WillDoNotify(aTransaction, &doInterrupt);

  if (NS_FAILED(result)) {
    UNLOCK_TX_MANAGER(this);
    return result;
  }

  if (doInterrupt) {
    UNLOCK_TX_MANAGER(this);
    return NS_OK;
  }

  result = BeginTransaction(aTransaction);

  if (NS_FAILED(result)) {
    DidDoNotify(aTransaction, result);
    UNLOCK_TX_MANAGER(this);
    return result;
  }

  result = EndTransaction();

  nsresult result2 = DidDoNotify(aTransaction, result);

  if (NS_SUCCEEDED(result))
    result = result2;

  UNLOCK_TX_MANAGER(this);

  return result;
}