128 lines
4.1 KiB
Kotlin
128 lines
4.1 KiB
Kotlin
package org.mariotaku.twidere.view
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import android.content.Context
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import android.content.res.ColorStateList
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import android.graphics.Color
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import androidx.annotation.ColorInt
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import androidx.core.view.ViewCompat
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import androidx.appcompat.widget.AppCompatImageButton
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import android.util.AttributeSet
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import android.widget.ImageView
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import org.mariotaku.chameleon.Chameleon
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import org.mariotaku.chameleon.ChameleonView
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import org.mariotaku.twidere.R
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import org.mariotaku.twidere.util.ThemeUtils
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import org.mariotaku.twidere.view.iface.IIconActionButton
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/**
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* Created by mariotaku on 14/11/5.
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*/
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class IconActionButton(
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context: Context, attrs: AttributeSet? = null
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) : AppCompatImageButton(context, attrs, R.attr.imageButtonStyle), IIconActionButton {
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override var defaultColor: Int = 0
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@ColorInt
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get() {
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if (field == 0) {
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val color = ViewCompat.getBackgroundTintList(this)
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if (color != null) {
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val currentColor = color.getColorForState(drawableState, 0)
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return ThemeUtils.getContrastColor(currentColor, Color.BLACK, Color.WHITE)
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}
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}
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return field
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}
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set(@ColorInt defaultColor) {
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field = defaultColor
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updateColorFilter()
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}
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override var activatedColor: Int = 0
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@ColorInt
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get() {
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if (field != 0) return field
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return defaultColorStateList?.getColorForState(activatedState, defaultColor) ?: defaultColor
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}
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set(@ColorInt activatedColor) {
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field = activatedColor
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updateColorFilter()
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}
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override var disabledColor: Int = 0
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@ColorInt
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get() {
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if (field != 0) return field
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return defaultColorStateList?.getColorForState(disabledState, defaultColor) ?: defaultColor
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}
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set(@ColorInt disabledColor) {
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field = disabledColor
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updateColorFilter()
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}
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private val defaultColorStateList: ColorStateList?
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init {
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val a = context.obtainStyledAttributes(attrs, R.styleable.IconActionButton,
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R.attr.cardActionButtonStyle, R.style.Widget_CardActionButton)
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defaultColorStateList = a.getColorStateList(R.styleable.IconActionButton_iabColor)
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defaultColor = defaultColorStateList?.defaultColor ?: 0
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activatedColor = a.getColor(R.styleable.IconActionButton_iabActivatedColor, 0)
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disabledColor = a.getColor(R.styleable.IconActionButton_iabDisabledColor, 0)
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a.recycle()
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updateColorFilter()
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}
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override fun setActivated(activated: Boolean) {
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super.setActivated(activated)
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updateColorFilter()
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}
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override fun setEnabled(enabled: Boolean) {
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super.setEnabled(enabled)
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updateColorFilter()
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}
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override fun setBackgroundTintList(tint: ColorStateList?) {
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super.setBackgroundTintList(tint)
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updateColorFilter()
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}
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override fun setSupportBackgroundTintList(tint: ColorStateList?) {
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super.setSupportBackgroundTintList(tint)
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updateColorFilter()
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}
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override fun isPostApplyTheme(): Boolean {
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return false
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}
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override fun createAppearance(context: Context, attributeSet: AttributeSet, theme: Chameleon.Theme): IIconActionButton.Appearance? {
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return IIconActionButton.Appearance.create(context, attributeSet, theme)
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}
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override fun applyAppearance(appearance: ChameleonView.Appearance) {
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IIconActionButton.Appearance.apply(this, appearance as IIconActionButton.Appearance)
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}
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internal companion object {
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val activatedState = intArrayOf(android.R.attr.state_activated)
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val disabledState = intArrayOf(-android.R.attr.state_enabled)
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fun IIconActionButton.updateColorFilter() {
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this as ImageView
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when {
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isActivated -> {
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setColorFilter(activatedColor)
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}
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isEnabled -> {
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setColorFilter(defaultColor)
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}
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else -> {
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setColorFilter(disabledColor)
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}
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}
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}
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}
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}
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