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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "prtypes.h"
#include "nsIConsoleService.h"
#include "nsIScriptError.h"

#ifndef __FUNCTION__
#define __FUNCTION__ __func__
#endif

// Call a method on each observer in a category cache, then call the same
// method on the observer array.
#define NOTIFY_OBSERVERS(canFire, cache, array, type, method)                  \
  PR_BEGIN_MACRO                                                               \
  if (canFire) {                                                               \
    const nsCOMArray<type> &entries = cache.GetEntries();                      \
    for (int32_t idx = 0; idx < entries.Count(); ++idx)                        \
        entries[idx]->method;                                                  \
    ENUMERATE_WEAKARRAY(array, type, method)                                   \
  }                                                                            \
  PR_END_MACRO;

#define PLACES_FACTORY_SINGLETON_IMPLEMENTATION(_className, _sInstance)        \
  _className * _className::_sInstance = nullptr;                                \
                                                                               \
  already_AddRefed<_className>                                                 \
  _className::GetSingleton()                                                   \
  {                                                                            \
    if (_sInstance) {                                                          \
      nsRefPtr<_className> ret = _sInstance;                                   \
      return ret.forget();                                                     \
    }                                                                          \
    _sInstance = new _className();                                             \
    nsRefPtr<_className> ret = _sInstance;                                     \
    if (NS_FAILED(_sInstance->Init())) {                                       \
      /* Null out ret before _sInstance so the destructor doesn't assert */    \
      ret = nullptr;                                                           \
      _sInstance = nullptr;                                                    \
      return nullptr;                                                          \
    }                                                                          \
    return ret.forget();                                                       \
  }

#define PLACES_WARN_DEPRECATED()                                               \
  PR_BEGIN_MACRO                                                               \
  nsCString msg = NS_LITERAL_CSTRING(__FUNCTION__);                            \
  msg.AppendLiteral(" is deprecated and will be removed in the next version.");\
  NS_WARNING(msg.get());                                                       \
  nsCOMPtr<nsIConsoleService> cs = do_GetService(NS_CONSOLESERVICE_CONTRACTID);\
  if (cs) {                                                                    \
    nsCOMPtr<nsIScriptError> e = do_CreateInstance(NS_SCRIPTERROR_CONTRACTID); \
    if (e && NS_SUCCEEDED(e->Init(NS_ConvertUTF8toUTF16(msg), EmptyString(),   \
                                  EmptyString(), 0, 0,                         \
                                  nsIScriptError::errorFlag, "Places"))) {     \
      cs->LogMessage(e);                                                       \
    }                                                                          \
  }                                                                            \
  PR_END_MACRO