Twidere-App-Android-Twitter.../twidere/src/main/kotlin/org/mariotaku/twidere/view/IconActionButton.kt

103 lines
3.2 KiB
Kotlin

package org.mariotaku.twidere.view
import android.content.Context
import android.graphics.Color
import android.support.annotation.ColorInt
import android.support.v4.view.ViewCompat
import android.support.v7.widget.AppCompatImageButton
import android.util.AttributeSet
import org.mariotaku.chameleon.Chameleon
import org.mariotaku.chameleon.ChameleonView
import org.mariotaku.twidere.R
import org.mariotaku.twidere.util.ThemeUtils
import org.mariotaku.twidere.view.iface.IIconActionButton
/**
* Created by mariotaku on 14/11/5.
*/
class IconActionButton(
context: Context, attrs: AttributeSet? = null
) : AppCompatImageButton(context, attrs, R.attr.imageButtonStyle), IIconActionButton {
override var defaultColor: Int = 0
@ColorInt
get() {
if (field == 0) {
val color = ViewCompat.getBackgroundTintList(this)
if (color != null) {
val currentColor = color.getColorForState(drawableState, 0)
return ThemeUtils.getContrastColor(currentColor, Color.BLACK, Color.WHITE)
}
}
return field
}
set(@ColorInt defaultColor) {
field = defaultColor
updateColorFilter()
}
override var activatedColor: Int = 0
@ColorInt
get() {
if (field != 0) return field
return defaultColor
}
set(@ColorInt activatedColor) {
field = activatedColor
updateColorFilter()
}
override var disabledColor: Int = 0
@ColorInt
get() {
if (field != 0) return field
return defaultColor
}
set(@ColorInt disabledColor) {
field = disabledColor
updateColorFilter()
}
init {
val a = context.obtainStyledAttributes(attrs, R.styleable.IconActionButton,
R.attr.cardActionButtonStyle, R.style.Widget_CardActionButton)
defaultColor = a.getColor(R.styleable.IconActionButton_iabColor, 0)
activatedColor = a.getColor(R.styleable.IconActionButton_iabActivatedColor, 0)
disabledColor = a.getColor(R.styleable.IconActionButton_iabDisabledColor, 0)
a.recycle()
updateColorFilter()
}
override fun setActivated(activated: Boolean) {
super.setActivated(activated)
updateColorFilter()
}
override fun setEnabled(enabled: Boolean) {
super.setEnabled(enabled)
updateColorFilter()
}
private fun updateColorFilter() {
if (isActivated) {
setColorFilter(activatedColor)
} else if (isEnabled) {
setColorFilter(defaultColor)
} else {
setColorFilter(disabledColor)
}
}
override fun isPostApplyTheme(): Boolean {
return false
}
override fun createAppearance(context: Context, attributeSet: AttributeSet, theme: Chameleon.Theme): IIconActionButton.Appearance? {
return IIconActionButton.Appearance.create(context, attributeSet, theme)
}
override fun applyAppearance(appearance: ChameleonView.Appearance) {
IIconActionButton.Appearance.apply(this, appearance as IIconActionButton.Appearance)
}
}