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EmojiAutoCompleteTextView.kt
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EmojiAutoCompleteTextView.kt
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/*
* Copyright (C) 2016 - Niklas Baudy, Ruben Gees, Mario Đanić and contributors
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.vanniktech.emoji
import android.content.Context
import android.util.AttributeSet
import androidx.annotation.CallSuper
import androidx.annotation.DimenRes
import androidx.annotation.Px
import androidx.appcompat.widget.AppCompatAutoCompleteTextView
/** Reference implementation for an EmojiAutoCompleteTextView with emoji support. */
open class EmojiAutoCompleteTextView @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
) : AppCompatAutoCompleteTextView(context, attrs),
EmojiDisplayable {
@Px private var emojiSize: Float
init {
emojiSize = init(attrs, R.styleable.EmojiAutoCompleteTextView, R.styleable.EmojiAutoCompleteTextView_emojiSize)
}
@CallSuper override fun onTextChanged(text: CharSequence?, start: Int, lengthBefore: Int, lengthAfter: Int) {
if (isInEditMode) {
return
}
val fontMetrics = paint.fontMetrics
val defaultEmojiSize = fontMetrics.descent - fontMetrics.ascent
EmojiManager.replaceWithImages(context, getText(), if (emojiSize != 0f) emojiSize else defaultEmojiSize)
}
override fun getEmojiSize() = emojiSize
override fun setEmojiSize(@Px pixels: Int) = setEmojiSize(pixels, true)
override fun setEmojiSize(@Px pixels: Int, shouldInvalidate: Boolean) {
emojiSize = pixels.toFloat()
if (shouldInvalidate) {
text = text
}
}
override fun setEmojiSizeRes(@DimenRes res: Int) = setEmojiSizeRes(res, true)
override fun setEmojiSizeRes(@DimenRes res: Int, shouldInvalidate: Boolean) =
setEmojiSize(resources.getDimensionPixelSize(res), shouldInvalidate)
}