17

2026-10-26 22:26:29 +08:00 · 2024-01-14 02:53:09 +08:00
parent 49cd7b3af2
commit 4364f66ec5
9 changed files with 478 additions and 9 deletions
@@ -0,0 +1,111 @@
+package com.lizongying.mytv
+
+import android.graphics.Color
+import android.view.ContextThemeWrapper
+import android.view.View
+import android.view.ViewGroup
+import android.view.animation.ScaleAnimation
+import android.widget.ImageView
+import androidx.leanback.widget.ImageCardView
+import androidx.lifecycle.LifecycleOwner
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import com.lizongying.mytv.models.TVListViewModel
+import com.lizongying.mytv.models.TVViewModel
+
+
+class CardAdapter(private val owner: LifecycleOwner, private var tvListViewModel: TVListViewModel) :
+    RecyclerView.Adapter<CardAdapter.ViewHolder>() {
+
+    private var listener: ItemListener? = null
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val cardView = object :
+            ImageCardView(ContextThemeWrapper(parent.context, R.style.CustomImageCardTheme)) {}
+        startScaleAnimation(cardView, 1.0f, 0.9f)
+        cardView.isFocusable = true
+        cardView.isFocusableInTouchMode = true
+
+        return ViewHolder(cardView)
+    }
+
+    private fun startScaleAnimation(view: View, fromScale: Float, toScale: Float) {
+        val scaleAnimation = ScaleAnimation(
+            fromScale, toScale,
+            fromScale, toScale,
+            ScaleAnimation.RELATIVE_TO_SELF, 0.5f,
+            ScaleAnimation.RELATIVE_TO_SELF, 0.5f
+        )
+        scaleAnimation.duration = 200
+        scaleAnimation.fillAfter = true
+
+        view.startAnimation(scaleAnimation)
+    }
+
+    override fun onBindViewHolder(viewHolder: ViewHolder, position: Int) {
+        val item = tvListViewModel.getTVViewModel(position)
+
+        val tvViewModel = item as TVViewModel
+        val cardView = viewHolder.view as ImageCardView
+
+        cardView.setOnFocusChangeListener { _, hasFocus ->
+            listener?.onItemFocusChange(item, hasFocus)
+            if (hasFocus) {
+                startScaleAnimation(cardView, 0.9f, 1.0f)
+            } else {
+                startScaleAnimation(cardView, 1.0f, 0.9f)
+            }
+        }
+
+        cardView.setOnClickListener { _ ->
+            listener?.onItemClicked(item)
+        }
+
+        cardView.titleText = tvViewModel.title.value
+        cardView.tag = tvViewModel.videoUrl.value
+
+        if (tvViewModel.logo.value != null) {
+            if (tvViewModel.title.value == "CCTV8K 超高清") {
+                Glide.with(viewHolder.view.context)
+                    .load(R.drawable.cctv8k)
+                    .centerInside()
+                    .into(cardView.mainImageView)
+            } else {
+                Glide.with(viewHolder.view.context)
+                    .load(tvViewModel.logo.value)
+                    .centerInside()
+                    .into(cardView.mainImageView)
+            }
+
+            cardView.mainImageView.setBackgroundColor(Color.WHITE)
+            cardView.setMainImageScaleType(ImageView.ScaleType.CENTER_INSIDE)
+        }
+
+        tvViewModel.program.observe(owner) { _ ->
+            val program = tvViewModel.getProgramOne()
+            if (program != null) {
+                cardView.contentText = program.name
+            }
+        }
+    }
+
+    override fun getItemCount() = tvListViewModel.size()
+
+    class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        val view = itemView
+    }
+
+    interface ItemListener {
+        fun onItemFocusChange(tvViewModel: TVViewModel, hasFocus: Boolean)
+        fun onItemClicked(tvViewModel: TVViewModel)
+    }
+
+    fun setItemListener(listener: ItemListener) {
+        this.listener = listener
+    }
+
+    companion object {
+        private const val TAG = "CardAdapter"
+    }
+}
+