/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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#include "nsLookAndFeel.h"
#include <Pt.h>
#include "nsFont.h"

#define PH_TO_NS_RGB(ns) (ns & 0xff) << 16 | (ns & 0xff00) | ((ns >> 16) & 0xff) 

nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel()
{
}

nsLookAndFeel::~nsLookAndFeel()
{
}

nsresult nsLookAndFeel::NativeGetColor(const nsColorID aID, nscolor &aColor)
{
  nsresult res = NS_OK;

  /*
   * There used to be an entirely separate list of these colors in
   * nsDeviceContextPh::GetSystemAttribute.  The colors given there
   * were a bit different from these.  If these are inaccurate, it might
   * be worth looking at cvs history for the ones there to see if they
   * were better.
   */

  switch (aID) 
  {
	  case eColor_WindowBackground:
		aColor = PH_TO_NS_RGB(Pg_LGREY);
		break;
	  case eColor_WindowForeground:
		aColor = PH_TO_NS_RGB(Pg_DGREY);
		break;
	  case eColor_WidgetBackground:
		aColor = PH_TO_NS_RGB(Pg_LGREY);
		break;
	  case eColor_WidgetForeground:
		aColor = PH_TO_NS_RGB(Pg_DGREY);
		break;
	  case eColor_WidgetSelectBackground:
		aColor = PH_TO_NS_RGB(Pg_DGREY);
		break;
	  case eColor_WidgetSelectForeground:
		aColor = PH_TO_NS_RGB(Pg_DGREY);
		break;
	  case eColor_Widget3DHighlight:
		aColor = PH_TO_NS_RGB(Pg_WHITE);
		break;
	  case eColor_Widget3DShadow:
		aColor = PH_TO_NS_RGB(Pg_DGREY);
		break;
	  case eColor_TextBackground:
		aColor = PH_TO_NS_RGB(Pg_WHITE);
		break;
	  case eColor_TextForeground: 
		aColor = PH_TO_NS_RGB(Pg_BLACK);
		break;
    case eColor_TextSelectBackground:
    case eColor_IMESelectedRawTextBackground:
    case eColor_IMESelectedConvertedTextBackground:
      aColor = PH_TO_NS_RGB(Pg_BLACK);
      break;
    case eColor_TextSelectForeground:
    case eColor_IMESelectedRawTextForeground:
    case eColor_IMESelectedConvertedTextForeground:
      aColor = PH_TO_NS_RGB(Pg_WHITE);
      break;
    case eColor_IMERawInputBackground:
    case eColor_IMEConvertedTextBackground:
      aColor = NS_TRANSPARENT;
      break;
    case eColor_IMERawInputForeground:
    case eColor_IMEConvertedTextForeground:
      aColor = NS_SAME_AS_FOREGROUND_COLOR;
      break;
    case eColor_IMERawInputUnderline:
    case eColor_IMEConvertedTextUnderline:
      aColor = NS_SAME_AS_FOREGROUND_COLOR;
      break;
    case eColor_IMESelectedRawTextUnderline:
    case eColor_IMESelectedConvertedTextUnderline:
      aColor = NS_TRANSPARENT;
      break;
    case eColor_SpellCheckerUnderline:
      aColor = NS_RGB(0xff, 0, 0);
      break;

		// css2  http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
	  case eColor_activeborder:
		aColor = PH_TO_NS_RGB(Pg_BLACK);
		break;
	  case eColor_activecaption:
		aColor = PH_TO_NS_RGB(Pg_YELLOW);
		break;
	  case eColor_appworkspace:
		aColor = PH_TO_NS_RGB(Pg_LGREY);
		break;
	  case eColor_background:
		aColor = PH_TO_NS_RGB(Pg_LGREY);
		break;
	  case eColor_captiontext:
		aColor = PH_TO_NS_RGB(Pg_BLACK);
		break;
	  case eColor_graytext:
		aColor = PH_TO_NS_RGB(Pg_DGREY);
		break;
	  case eColor_highlight:
	  case eColor__moz_html_cellhighlight:
	  case eColor__moz_menuhover:
		aColor = PH_TO_NS_RGB(0x9ba9c9); // bill blue
		break;
	  case eColor_highlighttext:
	  case eColor__moz_html_cellhighlighttext:
	  case eColor__moz_menuhovertext:
		aColor = PH_TO_NS_RGB(Pg_BLACK);
		break;
	  case eColor_inactiveborder:
		aColor = PH_TO_NS_RGB(Pg_DGREY);
		break;
	  case eColor_inactivecaption:
		aColor = PH_TO_NS_RGB(Pg_GREY);
		break;
	  case eColor_inactivecaptiontext:
		aColor = PH_TO_NS_RGB(Pg_DGREY);
		break;
	  case eColor_infobackground:
		aColor = PH_TO_NS_RGB(Pg_BALLOONCOLOR); // popup yellow
		break;
	  case eColor_infotext:
		aColor = PH_TO_NS_RGB(Pg_BLACK);
		break;
	  case eColor_menu:
		aColor = PH_TO_NS_RGB(Pg_LGREY);
		break;
	  case eColor_menutext:
		aColor = PH_TO_NS_RGB(Pg_BLACK);
		break;
	  case eColor_scrollbar:
		aColor = PH_TO_NS_RGB(Pg_LGREY);
		break;
	  case eColor_threedface:
	  case eColor_buttonface:
	  case eColor__moz_buttonhoverface:
		aColor = PH_TO_NS_RGB(Pg_LGREY);
		break;

	  case eColor_buttonhighlight:
	  case eColor_threedhighlight:
		aColor = PH_TO_NS_RGB(Pg_WHITE);
		break;

	  case eColor_buttontext:
	  case eColor__moz_buttonhovertext:
		aColor = PH_TO_NS_RGB(Pg_BLACK);
		break;

	  case eColor_buttonshadow:
	  case eColor_threedshadow: // i think these should be the same
		aColor = PH_TO_NS_RGB(Pg_DGREY);
		break;

	  case eColor_threeddarkshadow:
		aColor = PH_TO_NS_RGB(Pg_DGREY);
		break;

	  case eColor_threedlightshadow:
		aColor = PH_TO_NS_RGB(Pg_LGREY);
		break;

	  case eColor_window:
		aColor = PH_TO_NS_RGB(Pg_WHITE);
		break;

	  case eColor_windowframe:
		aColor = PH_TO_NS_RGB(Pg_LGREY);
		break;

	  case eColor_windowtext:
		aColor = PH_TO_NS_RGB(Pg_BLACK);
		break;

	  case eColor__moz_eventreerow:
	  case eColor__moz_oddtreerow:
	  case eColor__moz_field:
		aColor = PH_TO_NS_RGB(Pg_WHITE);
		break;

	case eColor__moz_fieldtext:
	  aColor = PH_TO_NS_RGB(Pg_BLACK);
	  break;

	case eColor__moz_dialog:
	case eColor__moz_cellhighlight:
	  aColor = PH_TO_NS_RGB(Pg_LGREY);
	  break;

	case eColor__moz_dialogtext:
	case eColor__moz_cellhighlighttext:
	  aColor = PH_TO_NS_RGB(Pg_BLACK);
	  break;

	case eColor__moz_dragtargetzone:
	  aColor = PH_TO_NS_RGB(Pg_LGREY);
	  break;

	case eColor__moz_buttondefault:
	  aColor = PH_TO_NS_RGB(Pg_DGREY);
	  break;

  	default:
    aColor = PH_TO_NS_RGB(Pg_WHITE);
    break;
  }

  return res;
}
  
NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
{


  nsresult res = nsXPLookAndFeel::GetMetric(aID, aMetric);
  if (NS_SUCCEEDED(res))
      return res;

  res = NS_OK;

  /*
   * There used to be an entirely separate list of these metrics in
   * nsDeviceContextPh::GetSystemAttribute.  The metrics given there
   * were a bit different from these.  If these are inaccurate, it might
   * be worth looking at cvs history for the ones there to see if they
   * were better.
   */

  switch (aID) 
  {
  case eMetric_WindowTitleHeight:
    aMetric = 0;
    break;
  case eMetric_WindowBorderWidth:
    aMetric = 1;
    break;
  case eMetric_WindowBorderHeight:
    aMetric = 1;
    break;
  case eMetric_Widget3DBorder:
    aMetric = 2;
    break;
  case eMetric_TextFieldHeight:
  	aMetric = 20;
    break;
  case eMetric_TextFieldBorder:
    aMetric = 1;
    break;
  case eMetric_TextVerticalInsidePadding:
    aMetric = 0;
    break;
  case eMetric_TextShouldUseVerticalInsidePadding:
    aMetric = 0;
    break;
  case eMetric_TextHorizontalInsideMinimumPadding:
    aMetric = 0;
    break;
  case eMetric_TextShouldUseHorizontalInsideMinimumPadding:
    aMetric = 0;
    break;
  case eMetric_ButtonHorizontalInsidePaddingNavQuirks:
  	aMetric = 10;
    break;
  case eMetric_ButtonHorizontalInsidePaddingOffsetNavQuirks:
  	aMetric = 8;
    break;
  case eMetric_CheckboxSize:
    aMetric = 10;
    break;
  case eMetric_RadioboxSize:
    aMetric = 10;
    break;
  case eMetric_ListShouldUseHorizontalInsideMinimumPadding:
    aMetric = 0;
    break;
  case eMetric_ListHorizontalInsideMinimumPadding:
    aMetric = 0;
    break;
  case eMetric_ListShouldUseVerticalInsidePadding:
    aMetric = 0;
    break;
  case eMetric_ListVerticalInsidePadding:
    aMetric = 0;
    break;
  case eMetric_CaretBlinkTime:
    aMetric = 500;
    break;
  case eMetric_CaretWidth:
    aMetric = 1;
    break;
	case eMetric_ShowCaretDuringSelection:
		aMetric = 0;
		break;
	case eMetric_SelectTextfieldsOnKeyFocus:
		// Select textfield content when focused by kbd
		// used by nsEventStateManager::sTextfieldSelectModel
		aMetric = 1;
		break;
  case eMetric_SubmenuDelay:
    aMetric = 200;
    break;
	case eMetric_MenusCanOverlapOSBar:
		// we want XUL popups to be able to overlap the task bar.
		aMetric = 1;
		break;
  case eMetric_TreeOpenDelay:
    aMetric = 1000;
    break;
  case eMetric_TreeCloseDelay:
    aMetric = 1000;
    break;
  case eMetric_TreeLazyScrollDelay:
    aMetric = 150;
    break;
  case eMetric_TreeScrollDelay:
    aMetric = 100;
    break;
  case eMetric_TreeScrollLinesMax:
    aMetric = 3;
    break;
  case eMetric_DWMCompositor:
  case eMetric_WindowsClassic:
  case eMetric_WindowsDefaultTheme:
  case eMetric_TouchEnabled:
    aMetric = 0;
    res = NS_ERROR_NOT_IMPLEMENTED;
    break;
  case eMetric_MacGraphiteTheme:
  case eMetric_MaemoClassic:
    aMetric = 0;
    res = NS_ERROR_NOT_IMPLEMENTED;
    break;
  case eMetric_IMERawInputUnderlineStyle:
  case eMetric_IMEConvertedTextUnderlineStyle:
    aMetric = NS_UNDERLINE_STYLE_SOLID;
    break;
  case eMetric_IMESelectedRawTextUnderlineStyle:
  case eMetric_IMESelectedConvertedTextUnderline:
    aMetric = NS_UNDERLINE_STYLE_NONE;
    break;
  case eMetric_SpellCheckerUnderlineStyle:
    aMetric = NS_UNDERLINE_STYLE_WAVY;
    break;

  default:
    aMetric = 0;
    res     = NS_ERROR_FAILURE;
  }

  return res;
}

NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricFloatID aID, float & aMetric)
{

  nsresult res = nsXPLookAndFeel::GetMetric(aID, aMetric);
  if (NS_SUCCEEDED(res))
      return res;

  res = NS_OK;

  switch (aID) {
  case eMetricFloat_TextFieldVerticalInsidePadding:
    aMetric = 0.25f;
    break;
  case eMetricFloat_TextFieldHorizontalInsidePadding:
    aMetric = 0.95f; // large number on purpose so minimum padding is used
    break;
  case eMetricFloat_TextAreaVerticalInsidePadding:
    aMetric = 0.40f;    
    break;
  case eMetricFloat_TextAreaHorizontalInsidePadding:
    aMetric = 0.40f; // large number on purpose so minimum padding is used
    break;
  case eMetricFloat_ListVerticalInsidePadding:
    aMetric = 0.10f;
    break;
  case eMetricFloat_ListHorizontalInsidePadding:
    aMetric = 0.40f;
    break;
  case eMetricFloat_ButtonVerticalInsidePadding:
    aMetric = 0.25f;
    break;
  case eMetricFloat_ButtonHorizontalInsidePadding:
    aMetric = 0.25f;
    break;
  case eMetricFloat_IMEUnderlineRelativeSize:
    aMetric = 1.0f;
    break;
  case eMetricFloat_SpellCheckerUnderlineRelativeSize:
    aMetric = 1.0f;
    break;
  default:
    aMetric = -1.0;
    res = NS_ERROR_FAILURE;
  }
 
  return res;
}
