sbErrorConsole.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 :miv */
/*
 *=BEGIN SONGBIRD GPL
 *
 * This file is part of the Songbird web player.
 *
 * Copyright(c) 2005-2010 POTI, Inc.
 * http://www.songbirdnest.com
 *
 * This file may be licensed under the terms of of the
 * GNU General Public License Version 2 (the ``GPL'').
 *
 * Software distributed under the License is distributed
 * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
 * express or implied. See the GPL for the specific language
 * governing rights and limitations.
 *
 * You should have received a copy of the GPL along with this
 * program. If not, go to http://www.gnu.org/licenses/gpl.html
 * or write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 *=END SONGBIRD GPL
 */

#include "sbErrorConsole.h"

// Standard includes
#include <stdarg.h>

// Mozilla includes
#include <nsServiceManagerUtils.h>
#include <nsStringAPI.h>
#include <prprf.h>

// Mozilla interfaces
#include <nsIConsoleService.h>
#include <nsIScriptError.h>

class sbConsoleMessage : public nsIConsoleMessage {
public:
  sbConsoleMessage()
  {
  }
  sbConsoleMessage(const nsAString & aMessage)
  {
    mMessage.Assign(aMessage);
  }

  void SetMessage(const nsAString & aMessage)
  {
    mMessage = aMessage;
  }
  NS_DECL_ISUPPORTS
  NS_DECL_NSICONSOLEMESSAGE

private:
  ~sbConsoleMessage() {}
   nsString mMessage;
};

NS_IMPL_THREADSAFE_ISUPPORTS1(sbConsoleMessage, nsIConsoleMessage)

NS_IMETHODIMP
sbConsoleMessage::GetMessageMoz(PRUnichar **result) {
    *result = ToNewUnicode(mMessage);

    return NS_OK;
}

NS_IMPL_THREADSAFE_ISUPPORTS0(sbErrorConsole)

void sbErrorConsole::Error(char const * aCategory,
                           nsAString const & aMessage,
                           nsAString const & aSource,
                           PRUint32 aLine)
{
  nsRefPtr<sbErrorConsole> errorConsole = new sbErrorConsole();
  if (errorConsole) {
    errorConsole->Log(nsDependentCString(aCategory),
                      nsIScriptError::errorFlag,
                      aMessage,
                      aSource,
                      aLine);
  }
}

void sbErrorConsole::Warning(char const * aCategory,
                             nsAString const & aMessage,
                             nsAString const & aSource,
                             PRUint32 aLine)
{
  nsRefPtr<sbErrorConsole> errorConsole = new sbErrorConsole();
  if (errorConsole) {
    errorConsole->Log(nsDependentCString(aCategory),
                      nsIScriptError::warningFlag,
                      aMessage,
                      aSource,
                      aLine);
  }
}

void sbErrorConsole::Message(char const * aFmt, ...)
{
  nsRefPtr<sbErrorConsole> errorConsole = new sbErrorConsole();
  if (errorConsole) {
    va_list args;
    va_start(args, aFmt);
    char *msg = PR_vsmprintf(aFmt, args);
    errorConsole->Log(nsCString(),
                      infoMessageFlag,
                      NS_ConvertUTF8toUTF16(msg),
                      nsString(),
                      0);
    PR_smprintf_free(msg);
    va_end(args);
  }
}

nsresult
sbErrorConsole::Log(nsACString const & aCategory,
                    PRUint32 aFlags,
                    nsAString const & aMessage,
                    nsAString const & aSource,
                    PRUint32 aLine)
{
  nsresult rv;

  ErrorParams params(aFlags,
                     aSource,
                     aLine,
                     aMessage,
                     aCategory);

  if (!NS_IsMainThread()) {
    // If this fails, not much we can do
    rv = sbInvokeOnMainThread1(*this,
                               &sbErrorConsole::LogThread,
                               NS_ERROR_FAILURE,
                               params);
    NS_ENSURE_SUCCESS(rv, rv);
  }
  else {
    rv = LogThread(params);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  return NS_OK;
}

nsresult sbErrorConsole::LogThread(ErrorParams aParameters)
{
  nsresult rv;

  nsCOMPtr<nsIConsoleService> consoleService =
    do_GetService("@mozilla.org/consoleservice;1", &rv);
  NS_ENSURE_SUCCESS (rv, rv);

  nsCOMPtr<nsIConsoleMessage> consoleMessage;
  if (aParameters.mFlags != infoMessageFlag) {
    nsCOMPtr<nsIScriptError> scriptError =
        do_CreateInstance(NS_SCRIPTERROR_CONTRACTID);
    if (!scriptError) {
      return NS_ERROR_FAILURE;
    }

    rv = scriptError->Init(aParameters.mMessage.get(),
                           aParameters.mSource.get(),
                           nsString().get(), // no source line
                           aParameters.mLine,
                           0, // No column number
                           aParameters.mFlags,
                           aParameters.mCategory.BeginReading());
    NS_ENSURE_SUCCESS(rv,rv);
    consoleMessage = scriptError;
  }
  else {
    consoleMessage = new sbConsoleMessage(aParameters.mMessage);
  }
  rv = consoleService->LogMessage(consoleMessage);
  NS_ENSURE_SUCCESS(rv,rv);

  return NS_OK;
}