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feat(style): gradient background colors #55

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feat(style): gradient background colors #55

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9 changes: 9 additions & 0 deletions src/feedback.common.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,15 @@ export interface FeedbackShowOptions {
* Default depends on the 'type' property.
*/
backgroundColor?: Color;
/**
* Use gradient as background color. When this is used it overrides any 'backgroundColor' that is set.
* Default depends on the 'type' property.
*/
gradientColors?: Array<Color>;
/**
* The direction the gradient colors should span.
*/
gradientDirection?: 'left' | 'right' | 'up' | 'down';
/**
* A resource like 'customimage' which refers to:
* - iOS: App_Resources/customimage.png (and [email protected] / [email protected])
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30 changes: 29 additions & 1 deletion src/feedback.ios.ts
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Expand Up @@ -29,7 +29,35 @@ export class Feedback extends FeedbackCommon {
Feedback.getType(options.type),
Feedback.getPosition(options.position));

if (options.backgroundColor) {
if (options.gradientColors) {
message.alertViewBackgroundColor = UIColor.clearColor;

const layerGradient = CAGradientLayer.layer();
layerGradient.colors = NSArray.arrayWithArray(options.gradientColors.map(c => c.ios.CGColor));

const gradientDirection = options.gradientDirection || 'down';
switch (gradientDirection) {
case 'up':
layerGradient.startPoint = CGPointMake(.5, 1);
layerGradient.endPoint = CGPointMake(.5, 0);
break;
case 'left':
layerGradient.startPoint = CGPointMake(.5, 0);
layerGradient.endPoint = CGPointMake(.5, 1);
break;
case 'right':
layerGradient.startPoint = CGPointMake(0, .5);
layerGradient.endPoint = CGPointMake(1, .5);
break;
default:
layerGradient.startPoint = CGPointMake(.5, 0);
layerGradient.endPoint = CGPointMake(.5, 1);
break;
}
layerGradient.frame = message.view.bounds;

message.view.layer.insertSublayerAtIndex(layerGradient, 0);
} else if (options.backgroundColor) {
message.alertViewBackgroundColor = options.backgroundColor.ios;
}

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