import imageCommon = require("ui/image/image-common");

import dependencyObservable = require("ui/core/dependency-observable");

import proxy = require("ui/core/proxy");

import enums = require("ui/enums");

// merge the exports of the common file with the exports of this file

declare var exports;

require("utils/module-merge").merge(imageCommon, exports);

function onStretchPropertyChanged(data: dependencyObservable.PropertyChangeData) {

var image = <Image>data.object;

if (!image.android) {

return;

}

switch (data.newValue) {

case enums.Stretch.aspectFit:

image.android.setScaleType(android.widget.ImageView.ScaleType.FIT_CENTER);

break;

case enums.Stretch.aspectFill:

image.android.setScaleType(android.widget.ImageView.ScaleType.CENTER_CROP);

break;

case enums.Stretch.fill:

image.android.setScaleType(android.widget.ImageView.ScaleType.FIT_XY);

break;

case enums.Stretch.none:

default:

image.android.setScaleType(android.widget.ImageView.ScaleType.MATRIX);

break;

}

}

function onImageSourcePropertyChanged(data: dependencyObservable.PropertyChangeData) {

var image = <Image>data.object;

if (!image.android) {

return;

}

image._setNativeImage(data.newValue ? data.newValue.android : null);

}

// register the setNativeValue callback

(<proxy.PropertyMetadata>imageCommon.Image.imageSourceProperty.metadata).onSetNativeValue = onImageSourcePropertyChanged;

(<proxy.PropertyMetadata>imageCommon.Image.stretchProperty.metadata).onSetNativeValue = onStretchPropertyChanged;

export class Image extends imageCommon.Image {

private _android: android.widget.ImageView;

get android(): android.widget.ImageView {

return this._android;

}

public _createUI() {

this._android = new android.widget.ImageView(this._context);

}

public _setNativeImage(nativeImage: any) {

this.android.setImageBitmap(nativeImage);

}

}