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Add setOnBalloonOverlayTouchListener using a lambda #205

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merged 1 commit into from
Jul 14, 2021
Merged

Add setOnBalloonOverlayTouchListener using a lambda #205

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66 changes: 54 additions & 12 deletions balloon/src/main/java/com/skydoves/balloon/Balloon.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -244,31 +244,45 @@ class Balloon(
y = binding.balloonCard.y + binding.balloonCard.height - SIZE_ARROW_BOUNDARY
ViewCompat.setElevation(this, builder.arrowElevation)
if (builder.arrowColorMatchBalloon) {
foreground = BitmapDrawable(resources, adjustArrowColorByMatchingCardBackground(this, x, binding.balloonCard.height.toFloat()))
foreground = BitmapDrawable(
resources,
adjustArrowColorByMatchingCardBackground(
this, x,
binding.balloonCard.height.toFloat()
)
)
}
}
ArrowOrientation.TOP -> {
rotation = 0f
x = getArrowConstraintPositionX(anchor)
y = binding.balloonCard.y - builder.arrowSize + SIZE_ARROW_BOUNDARY
if (builder.arrowColorMatchBalloon) {
foreground = BitmapDrawable(resources, adjustArrowColorByMatchingCardBackground(this, x, 0f))
foreground =
BitmapDrawable(resources, adjustArrowColorByMatchingCardBackground(this, x, 0f))
}
}
ArrowOrientation.LEFT -> {
rotation = -90f
x = binding.balloonCard.x - builder.arrowSize + SIZE_ARROW_BOUNDARY
y = getArrowConstraintPositionY(anchor)
if (builder.arrowColorMatchBalloon) {
foreground = BitmapDrawable(resources, adjustArrowColorByMatchingCardBackground(this, 0f, y))
foreground =
BitmapDrawable(resources, adjustArrowColorByMatchingCardBackground(this, 0f, y))
}
}
ArrowOrientation.RIGHT -> {
rotation = 90f
x = binding.balloonCard.x + binding.balloonCard.width - SIZE_ARROW_BOUNDARY
y = getArrowConstraintPositionY(anchor)
if (builder.arrowColorMatchBalloon) {
foreground = BitmapDrawable(resources, adjustArrowColorByMatchingCardBackground(this, binding.balloonCard.width.toFloat(), y))
foreground = BitmapDrawable(
resources,
adjustArrowColorByMatchingCardBackground(
this, binding.balloonCard.width.toFloat(),
y
)
)
}
}
}
Expand All @@ -287,28 +301,44 @@ class Balloon(
* @throws IllegalArgumentException Throws an exception when the arrow is attached outside the balloon.
*
*/
private fun adjustArrowColorByMatchingCardBackground(imageView: AppCompatImageView, x: Float, y: Float): Bitmap {
private fun adjustArrowColorByMatchingCardBackground(
imageView: AppCompatImageView,
x: Float,
y: Float
): Bitmap {
imageView.setColorFilter(builder.backgroundColor, PorterDuff.Mode.SRC_IN)
val oldBitmap = drawableToBitmap(imageView.drawable, imageView.drawable.intrinsicWidth, imageView.drawable.intrinsicHeight)
val oldBitmap = drawableToBitmap(
imageView.drawable, imageView.drawable.intrinsicWidth,
imageView.drawable.intrinsicHeight
)
val colors: Pair<Int, Int>
try {
colors = getColorsFromBalloonCard(x, y)
} catch (e: IllegalArgumentException) {
throw IllegalArgumentException("Arrow attached outside balloon. Could not get a matching color.")
throw IllegalArgumentException(
"Arrow attached outside balloon. Could not get a matching color."
)
}
val startColor = colors.first
val endColor = colors.second

val updatedBitmap = Bitmap.createBitmap(oldBitmap.width, oldBitmap.height, Bitmap.Config.ARGB_8888)
val updatedBitmap =
Bitmap.createBitmap(oldBitmap.width, oldBitmap.height, Bitmap.Config.ARGB_8888)
val canvas = Canvas(updatedBitmap)
canvas.drawBitmap(oldBitmap, 0f, 0f, null)
val paint = Paint()
val shader: LinearGradient = when (builder.arrowOrientation) {
ArrowOrientation.BOTTOM, ArrowOrientation.LEFT -> {
LinearGradient(oldBitmap.width.toFloat() / 2 - builder.arrowSize / 2, 0f, oldBitmap.width.toFloat(), 0f, startColor, endColor, Shader.TileMode.CLAMP)
LinearGradient(
oldBitmap.width.toFloat() / 2 - builder.arrowSize / 2, 0f,
oldBitmap.width.toFloat(), 0f, startColor, endColor, Shader.TileMode.CLAMP
)
}
ArrowOrientation.RIGHT, ArrowOrientation.TOP -> {
LinearGradient(oldBitmap.width.toFloat() / 2 + builder.arrowSize / 2, 0f, 0f, 0f, startColor, endColor, Shader.TileMode.CLAMP)
LinearGradient(
oldBitmap.width.toFloat() / 2 + builder.arrowSize / 2, 0f, 0f, 0f,
startColor, endColor, Shader.TileMode.CLAMP
)
}
}
paint.shader = shader
Expand All @@ -319,7 +349,10 @@ class Balloon(
}

private fun getColorsFromBalloonCard(x: Float, y: Float): Pair<Int, Int> {
val bitmap = drawableToBitmap(binding.balloonCard.background, binding.balloonCard.width + 1, binding.balloonCard.height + 1)
val bitmap = drawableToBitmap(
binding.balloonCard.background, binding.balloonCard.width + 1,
binding.balloonCard.height + 1
)
val startColor: Int
val endColor: Int
when (builder.arrowOrientation) {
Expand Down Expand Up @@ -1083,6 +1116,13 @@ class Balloon(
}
}

/** sets a [View.OnTouchListener] to the overlay popup using lambda. */
fun setOnBalloonOverlayTouchListener(block: (View, MotionEvent) -> Boolean) {
setOnBalloonOverlayTouchListener(
View.OnTouchListener(block)
)
}

/** sets a [OnBalloonOverlayClickListener] to the overlay popup. */
fun setOnBalloonOverlayClickListener(onBalloonOverlayClickListener: OnBalloonOverlayClickListener?) {
this.overlayBinding.root.setOnClickListener {
Expand Down Expand Up @@ -1791,7 +1831,9 @@ class Balloon(
/** sets if arrow color should match the color of the balloon card. Overrides [arrowColor].
* Does not work with custom arrows.
*/
fun setArrowColorMatchBalloon(value: Boolean): Builder = apply { this.arrowColorMatchBalloon = value }
fun setArrowColorMatchBalloon(value: Boolean): Builder = apply {
this.arrowColorMatchBalloon = value
}

/** sets a color of the arrow using a resource. */
fun setArrowColorResource(@ColorRes value: Int): Builder = apply {
Expand Down