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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 _JaMsgFolder_H_
#define _JaMsgFolder_H_

#include "nsISupports.h"
#include "DelegateList.h"
#include "msgIOverride.h"
#include "nsIMsgFolder.h"
#include "nsMsgDBFolder.h"
#include "nsAutoPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsDataHashtable.h"
#include "nsIInterfaceRequestor.h"
#include "nsNetUtil.h"
#include "nsIDBChangeListener.h"
#include "nsIUrlListener.h"
#include "nsIMsgFilterPlugin.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 JaBaseCppMsgFolder : public nsMsgDBFolder,
                           public nsIInterfaceRequestor

{
 public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIINTERFACEREQUESTOR
  JaBaseCppMsgFolder() {}

  // nsMsgDBFolder overrides

  nsresult CreateChildFromURI(const nsCString& uri,
                              nsIMsgFolder** folder) override;
  nsresult GetDatabase() override;

  // Local Utility Functions

  // Create a placeholder file to represent a folder.
  nsresult CreateDummyFile(nsIMsgFolder* aMailFolder);

 protected:
  virtual ~JaBaseCppMsgFolder() {}
};

class JaCppMsgFolderDelegator : public JaBaseCppMsgFolder, public msgIOverride {
 public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_MSGIOVERRIDE

  NS_FORWARD_NSIMSGFOLDER(DELEGATE_JS(mJsIMsgFolder, mMethods, mCppBase)->)
  NS_FORWARD_NSIDBCHANGELISTENER(
      DELEGATE_JS(mJsIDBChangeListener, mMethods,
                  (nsCOMPtr<nsIDBChangeListener>(do_QueryInterface(mCppBase))))
          ->)
  NS_FORWARD_NSIURLLISTENER(
      DELEGATE_JS(mJsIUrlListener, mMethods,
                  (nsCOMPtr<nsIUrlListener>(do_QueryInterface(mCppBase))))
          ->)
  NS_FORWARD_NSIJUNKMAILCLASSIFICATIONLISTENER(
      DELEGATE_JS(mJsIJunkMailClassificationListener, mMethods,
                  (nsCOMPtr<nsIJunkMailClassificationListener>(
                      do_QueryInterface(mCppBase))))
          ->)
  NS_FORWARD_NSIMSGTRAITCLASSIFICATIONLISTENER(
      DELEGATE_JS(mJsIMsgTraitClassificationListener, mMethods,
                  (nsCOMPtr<nsIMsgTraitClassificationListener>(
                      do_QueryInterface(mCppBase))))
          ->)
  NS_FORWARD_NSIINTERFACEREQUESTOR(
      DELEGATE_JS(
          mJsIInterfaceRequestor, mMethods,
          (nsCOMPtr<nsIInterfaceRequestor>(do_QueryInterface(mCppBase))))
          ->)

  JaCppMsgFolderDelegator();

 private:
  virtual ~JaCppMsgFolderDelegator() {}

  class Super : public nsIMsgFolder,
                public nsIDBChangeListener,
                public nsIUrlListener,
                public nsIJunkMailClassificationListener,
                public nsIMsgTraitClassificationListener,
                public nsIInterfaceRequestor {
   public:
    // Why fake this? Because this method is fully owned by
    // JaCppMsgFolderDelegator, and this reference is to the "this" of the
    // main method. But it is not really the local "this".
    explicit Super(JaCppMsgFolderDelegator* aFakeThis) {
      mFakeThis = aFakeThis;
    }
    NS_DECL_ISUPPORTS
    NS_FORWARD_NSIMSGFOLDER(mFakeThis->JaBaseCppMsgFolder::)
    NS_FORWARD_NSIDBCHANGELISTENER(mFakeThis->JaBaseCppMsgFolder::)
    NS_FORWARD_NSIURLLISTENER(mFakeThis->JaBaseCppMsgFolder::)
    NS_FORWARD_NSIJUNKMAILCLASSIFICATIONLISTENER(
        mFakeThis->JaBaseCppMsgFolder::)
    NS_FORWARD_NSIMSGTRAITCLASSIFICATIONLISTENER(
        mFakeThis->JaBaseCppMsgFolder::)
    NS_FORWARD_NSIINTERFACEREQUESTOR(mFakeThis->JaBaseCppMsgFolder::)
   private:
    virtual ~Super() {}
    JaCppMsgFolderDelegator* mFakeThis;
  };

  // Interfaces that may be overridden by JS.
  nsCOMPtr<nsIMsgFolder> mJsIMsgFolder;
  nsCOMPtr<nsIDBChangeListener> mJsIDBChangeListener;
  nsCOMPtr<nsIUrlListener> mJsIUrlListener;
  nsCOMPtr<nsIJunkMailClassificationListener>
      mJsIJunkMailClassificationListener;
  nsCOMPtr<nsIMsgTraitClassificationListener>
      mJsIMsgTraitClassificationListener;
  nsCOMPtr<nsIInterfaceRequestor> mJsIInterfaceRequestor;

  nsCOMPtr<nsISupports> mJsISupports;

  nsCOMPtr<nsIMsgFolder> mCppBase;
  RefPtr<DelegateList> mDelegateList;
  nsDataHashtable<nsCStringHashKey, bool>* mMethods;
};

}  // namespace mailnews
}  // namespace mozilla

#endif