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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */

#ifndef _JaAbDirectory_H_
#define _JaAbDirectory_H_

#include "nsISupports.h"
#include "DelegateList.h"
#include "msgIOverride.h"
#include "nsIAbDirectory.h"
#include "nsAbDirProperty.h"
#include "nsTHashMap.h"
#include "nsIInterfaceRequestor.h"

namespace mozilla {
namespace mailnews {

/* Header file */

// This class is an XPCOM component, usable in JS, that calls the methods
// in the C++ base class (bypassing any JS override).
class JaBaseCppAbDirectory : public nsAbDirProperty,
                             public nsIInterfaceRequestor {
 public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIINTERFACEREQUESTOR
  JaBaseCppAbDirectory() {}

 protected:
  virtual ~JaBaseCppAbDirectory() {}
};

class JaCppAbDirectoryDelegator : public JaBaseCppAbDirectory,
                                  public msgIOverride {
 public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_MSGIOVERRIDE

  // use mCppBase as a raw pointer where possible
  NS_FORWARD_NSIABDIRECTORY(DELEGATE_JS(mJsIAbDirectory, mMethods, mCppBase)->)
  NS_FORWARD_NSIINTERFACEREQUESTOR(
      DELEGATE_JS(
          mJsIInterfaceRequestor, mMethods,
          (nsCOMPtr<nsIInterfaceRequestor>(do_QueryInterface(mCppBase))))
          ->)

  JaCppAbDirectoryDelegator();

 private:
  virtual ~JaCppAbDirectoryDelegator() {}

  class Super : public nsIAbDirectory, public nsIInterfaceRequestor {
   public:
    explicit Super(JaCppAbDirectoryDelegator* aFakeThis) {
      mFakeThis = aFakeThis;
    }
    NS_DECL_ISUPPORTS
    NS_FORWARD_NSIABDIRECTORY(mFakeThis->JaBaseCppAbDirectory::)
    NS_FORWARD_NSIINTERFACEREQUESTOR(mFakeThis->JaBaseCppAbDirectory::)
   private:
    virtual ~Super() {}
    JaCppAbDirectoryDelegator* mFakeThis;
  };

  // Interfaces that may be overridden by JS.
  nsCOMPtr<nsIAbDirectory> mJsIAbDirectory;
  nsCOMPtr<nsIInterfaceRequestor> mJsIInterfaceRequestor;

  nsCOMPtr<nsISupports> mJsISupports;

  // Class to bypass JS delegates. nsCOMPtr for when we do cycle collection.
  nsCOMPtr<nsIAbDirectory> mCppBase;

  RefPtr<DelegateList> mDelegateList;
  nsTHashMap<nsCStringHashKey, bool>* mMethods;
};

}  // namespace mailnews
}  // namespace mozilla

#endif