/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

#include "nsMenu.h"
#include "nsIMenu.h"
#include "nsIMenuItem.h"

#include "nsToolkit.h"
#include "nsColor.h"
#include "nsGUIEvent.h"
#include "nsString.h"
#include "nsStringUtil.h"
#include <windows.h>

#include "nsIAppShell.h"
#include "nsGUIEvent.h"
#include "nsIDeviceContext.h"
#include "nsRect.h"
#include "nsGfxCIID.h"

static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIMenuIID, NS_IMENU_IID);
NS_IMPL_ISUPPORTS(nsMenu, kIMenuIID)

//-------------------------------------------------------------------------
//
// nsMenu constructor
//
//-------------------------------------------------------------------------
nsMenu::nsMenu() : nsIMenu()
{
  NS_INIT_REFCNT();
  mNumMenuItems  = 0;
  mMenu          = nsnull;
  mMenuBarParent = nsnull;
  mMenuParent    = nsnull;
}

//-------------------------------------------------------------------------
//
// nsMenu destructor
//
//-------------------------------------------------------------------------
nsMenu::~nsMenu()
{
  NS_IF_RELEASE(mMenuBarParent);
  NS_IF_RELEASE(mMenuParent);
}


//-------------------------------------------------------------------------
//
// Create the proper widget
//
//-------------------------------------------------------------------------
NS_METHOD nsMenu::Create(nsIMenuBar *aParent, const nsString &aLabel)
{
  mMenuBarParent = aParent;
  NS_ADDREF(mMenuBarParent);

  mLabel = aLabel;
  mMenu = CreateMenu();
  aParent->AddMenu(this);
    
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::Create(nsIMenu *aParent, const nsString &aLabel)
{
  mMenuParent = aParent;
  NS_ADDREF(mMenuParent);
  mLabel = aLabel;

  mMenu = CreateMenu();
  aParent->AddMenu(this);
    
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetParent(nsISupports*& aParent)
{

  aParent = nsnull;
  if (nsnull != mMenuParent) {
    return mMenuParent->QueryInterface(kISupportsIID,(void**)&aParent);
  } else if (nsnull != mMenuBarParent) {
    return mMenuBarParent->QueryInterface(kISupportsIID,(void**)&aParent);
  }

  return NS_ERROR_FAILURE;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetLabel(nsString &aText)
{
  aText = mLabel;
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::SetLabel(nsString &aText)
{
   mLabel = aText;
  
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddItem(const nsString &aText)
{
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddMenuItem(nsIMenuItem * aMenuItem)
{
  PRUint32 command;
  nsString name;

  aMenuItem->GetCommand(command);
  aMenuItem->GetLabel(name);
  char * nameStr = name.ToNewCString();

  MENUITEMINFO menuInfo;
  menuInfo.cbSize     = sizeof(menuInfo);
  menuInfo.fMask      = MIIM_TYPE | MIIM_ID;
  menuInfo.fType      = MFT_STRING;
  menuInfo.dwTypeData = nameStr;
  menuInfo.wID        = (DWORD)command;
  menuInfo.cch        = strlen(nameStr);

  BOOL status = InsertMenuItem(mMenu, mNumMenuItems++, TRUE, &menuInfo);

  delete[] nameStr;

  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddMenu(nsIMenu * aMenu)
{
  nsString name;
  aMenu->GetLabel(name);
  char * nameStr = name.ToNewCString();

  HMENU nativeMenuHandle;
  void * voidData;
  aMenu->GetNativeData(voidData);
  nativeMenuHandle = (HMENU)voidData;

  MENUITEMINFO menuInfo;

  menuInfo.cbSize     = sizeof(menuInfo);
  menuInfo.fMask      = MIIM_SUBMENU | MIIM_TYPE;
  menuInfo.hSubMenu   = nativeMenuHandle;
  menuInfo.fType      = MFT_STRING;
  menuInfo.dwTypeData = nameStr;

  BOOL status = InsertMenuItem(mMenu, mNumMenuItems++, TRUE, &menuInfo);

  delete[] nameStr;

  return NS_OK;

}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddSeparator() 
{
  MENUITEMINFO menuInfo;

  menuInfo.cbSize = sizeof(menuInfo);
  menuInfo.fMask  = MIIM_TYPE;
  menuInfo.fType  = MFT_SEPARATOR;

  BOOL status = InsertMenuItem(mMenu, mNumMenuItems++, TRUE, &menuInfo);

  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetItemCount(PRUint32 &aCount)
{
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetItemAt(const PRUint32 aCount, nsIMenuItem *& aMenuItem)
{
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::InsertItemAt(const PRUint32 aCount, nsIMenuItem *& aMenuItem)
{
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::InsertItemAt(const PRUint32 aCount, const nsString & aMenuItemName)
{
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::InsertSeparator(const PRUint32 aCount)
{
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveItem(const PRUint32 aCount)
{
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveAll()
{
  return NS_OK;
}

//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetNativeData(void *& aData)
{
  aData = (void *)mMenu;
  return NS_OK;
}

