// import * as view from "ui/core/view";
// import * as utils from "utils/utils";
// import * as style from "ui/styling/style";
// import * as font from "ui/styling/font";
// import * as enums from "ui/enums";
// import {device} from "platform";

// export class TextBaseStyler implements style.Styler {
//     // color
//     private static setColorProperty(view: view.View, newValue: any) {
//         (<android.widget.TextView>view._nativeView).setTextColor(newValue);
//     }

//     private static resetColorProperty(view: view.View, nativeValue: any) {
//         (<android.widget.TextView>view._nativeView).setTextColor(nativeValue);
//     }

//     private static getNativeColorValue(view: view.View): any {
//         return (<android.widget.TextView>view._nativeView).getTextColors().getDefaultColor();
//     }

//     // font
//     private static setFontInternalProperty(view: view.View, newValue: any, nativeValue?: any) {
//         var tv = <android.widget.TextView>view._nativeView;
//         var fontValue = <font.Font>newValue;

//         var typeface = fontValue.getAndroidTypeface();
//         if (typeface) {
//             tv.setTypeface(typeface);
//         }
//         else {
//             tv.setTypeface(nativeValue.typeface);
//         }

//         if (fontValue.fontSize) {
//             tv.setTextSize(fontValue.fontSize);
//         }
//         else {
//             tv.setTextSize(android.util.TypedValue.COMPLEX_UNIT_PX, nativeValue.size);
//         }
//     }

//     private static resetFontInternalProperty(view: view.View, nativeValue: any) {
//         var tv: android.widget.TextView = <android.widget.TextView>view._nativeView;
//         if (tv && nativeValue) {
//             tv.setTypeface(nativeValue.typeface);
//             tv.setTextSize(android.util.TypedValue.COMPLEX_UNIT_PX, nativeValue.size);
//         }
//     }

//     private static getNativeFontInternalValue(view: view.View): any {
//         var tv: android.widget.TextView = <android.widget.TextView>view._nativeView;
//         return {
//             typeface: tv.getTypeface(),
//             size: tv.getTextSize()
//         };
//     }

//     // text-align
//     private static setTextAlignmentProperty(view: view.View, newValue: any) {
//         var verticalGravity = view._nativeView.getGravity() & android.view.Gravity.VERTICAL_GRAVITY_MASK;
//         switch (newValue) {
//             case enums.TextAlignment.left:
//                 view._nativeView.setGravity(android.view.Gravity.LEFT | verticalGravity);
//                 break;
//             case enums.TextAlignment.center:
//                 view._nativeView.setGravity(android.view.Gravity.CENTER_HORIZONTAL | verticalGravity);
//                 break;
//             case enums.TextAlignment.right:
//                 view._nativeView.setGravity(android.view.Gravity.RIGHT | verticalGravity);
//                 break;
//             default:
//                 break;
//         }
//     }

//     private static resetTextAlignmentProperty(view: view.View, nativeValue: any) {
//         view._nativeView.setGravity(nativeValue);
//     }

//     private static getNativeTextAlignmentValue(view: view.View): any {
//         return view._nativeView.getGravity();
//     }

//     // text-decoration
//     private static setTextDecorationProperty(view: view.View, newValue: any) {
//         utils.ad.setTextDecoration(view._nativeView, newValue);
//     }

//     private static resetTextDecorationProperty(view: view.View, nativeValue: any) {
//         utils.ad.setTextDecoration(view._nativeView, enums.TextDecoration.none);
//     }

//     // text-transform
//     private static setTextTransformProperty(view: view.View, newValue: any) {
//         utils.ad.setTextTransform(view, newValue);
//     }

//     private static resetTextTransformProperty(view: view.View, nativeValue: any) {
//         utils.ad.setTextTransform(view, enums.TextTransform.none);
//     }

//     // white-space
//     private static setWhiteSpaceProperty(view: view.View, newValue: any) {
//         utils.ad.setWhiteSpace(view._nativeView, newValue);
//     }

//     private static resetWhiteSpaceProperty(view: view.View, nativeValue: any) {
//         utils.ad.setWhiteSpace(view._nativeView, enums.WhiteSpace.normal);
//     }

//     // letter-spacing
//     private static getLetterSpacingProperty(view: view.View): any {
//         return view.android.getLetterSpacing();
//     }

//     private static setLetterSpacingProperty(view: view.View, newValue: any) {
//         view.android.setLetterSpacing(newValue);
//     }

//     private static resetLetterSpacingProperty(view: view.View, nativeValue: any) {
//         view.android.setLetterSpacing(nativeValue);
//     }

//     public static registerHandlers() {
//         style.registerHandler(style.colorProperty, new style.StylePropertyChangedHandler(
//             TextBaseStyler.setColorProperty,
//             TextBaseStyler.resetColorProperty,
//             TextBaseStyler.getNativeColorValue), "TextBase");

//         style.registerHandler(style.fontInternalProperty, new style.StylePropertyChangedHandler(
//             TextBaseStyler.setFontInternalProperty,
//             TextBaseStyler.resetFontInternalProperty,
//             TextBaseStyler.getNativeFontInternalValue), "TextBase");

//         style.registerHandler(style.textAlignmentProperty, new style.StylePropertyChangedHandler(
//             TextBaseStyler.setTextAlignmentProperty,
//             TextBaseStyler.resetTextAlignmentProperty,
//             TextBaseStyler.getNativeTextAlignmentValue), "TextBase");

//         style.registerHandler(style.textDecorationProperty, new style.StylePropertyChangedHandler(
//             TextBaseStyler.setTextDecorationProperty,
//             TextBaseStyler.resetTextDecorationProperty), "TextBase");

//         style.registerHandler(style.textTransformProperty, new style.StylePropertyChangedHandler(
//             TextBaseStyler.setTextTransformProperty,
//             TextBaseStyler.resetTextTransformProperty), "TextBase");

//         style.registerHandler(style.whiteSpaceProperty, new style.StylePropertyChangedHandler(
//             TextBaseStyler.setWhiteSpaceProperty,
//             TextBaseStyler.resetWhiteSpaceProperty), "TextBase");

//         if (parseInt(device.sdkVersion, 10) >= 21) {
//             style.registerHandler(style.letterSpacingProperty, new style.StylePropertyChangedHandler(
//                 TextBaseStyler.setLetterSpacingProperty,
//                 TextBaseStyler.resetLetterSpacingProperty,
//                 TextBaseStyler.getLetterSpacingProperty), "TextBase");
//         }

//         // !!! IMPORTANT !!! Button registrations were moved to button.android.ts to make sure they 
//         // are executed when there is a Button on the page: https://github.com/NativeScript/NativeScript/issues/1902
//         // If there is no TextBase on the Page, the TextBaseStyler.registerHandlers
//         // method was never called because the file it is called from was never required.
//     }
// }