86 lines
2.6 KiB
Kotlin
86 lines
2.6 KiB
Kotlin
package audio.funkwhale.ffa.views
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import android.content.Context
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import android.util.AttributeSet
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import android.util.TypedValue
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import android.view.View
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import android.view.ViewGroup
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import android.widget.FrameLayout
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import androidx.coordinatorlayout.widget.CoordinatorLayout
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import androidx.core.content.res.use
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import audio.funkwhale.ffa.R
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import audio.funkwhale.ffa.utils.BottomSheetIneractable
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import com.google.android.material.bottomsheet.BottomSheetBehavior
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import com.google.android.material.bottomsheet.BottomSheetBehavior.BottomSheetCallback
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class NowPlayingBottomSheet @JvmOverloads constructor(
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context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
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) : FrameLayout(context, attrs, defStyleAttr), BottomSheetIneractable {
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private val behavior = BottomSheetBehavior<NowPlayingBottomSheet>()
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private val targetHeaderId: Int
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val peekHeight get() = behavior.peekHeight
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init {
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targetHeaderId = context.theme.obtainStyledAttributes(
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attrs, R.styleable.NowPlaying, defStyleAttr, 0
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).use {
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it.getResourceId(R.styleable.NowPlaying_target_header, NO_ID)
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}
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// Put default peek height to actionBarSize so it is not 0
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val tv = TypedValue()
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if (context.theme.resolveAttribute(android.R.attr.actionBarSize, tv, true)) {
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behavior.peekHeight = TypedValue.complexToDimensionPixelSize(
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tv.data, resources.displayMetrics
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)
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}
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}
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override fun setLayoutParams(params: ViewGroup.LayoutParams?) {
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super.setLayoutParams(params)
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(params as CoordinatorLayout.LayoutParams).behavior = behavior
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}
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override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec)
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findViewById<View>(targetHeaderId)?.apply {
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behavior.setPeekHeight(this.height, false)
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this.setOnClickListener { this@NowPlayingBottomSheet.toggle() }
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} ?: hide()
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}
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fun addBottomSheetCallback(callback: BottomSheetCallback) {
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behavior.addBottomSheetCallback(callback)
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}
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// Bottom sheet interactions
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override val isHidden: Boolean get() = behavior.state == BottomSheetBehavior.STATE_HIDDEN
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override fun isOpen(): Boolean = behavior.state == BottomSheetBehavior.STATE_EXPANDED
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override fun open() {
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behavior.state = BottomSheetBehavior.STATE_EXPANDED
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}
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override fun close() {
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behavior.state = BottomSheetBehavior.STATE_COLLAPSED
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}
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override fun show() {
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behavior.isHideable = false
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close()
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}
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override fun hide() {
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behavior.isHideable = true
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behavior.state = BottomSheetBehavior.STATE_HIDDEN
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}
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override fun toggle() {
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if (isHidden) return
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if (isOpen) close() else open()
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}
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}
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