feat: searching

app/src/main/java/ani/dantotsu/media/HeaderInterface.kt

@@ -0,0 +1,77 @@
+package ani.dantotsu.media
+
+import android.text.TextWatcher
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.view.animation.AlphaAnimation
+import android.view.animation.Animation
+import androidx.recyclerview.widget.RecyclerView
+import ani.dantotsu.databinding.ItemSearchHeaderBinding
+
+abstract class HeaderInterface: RecyclerView.Adapter<HeaderInterface.SearchHeaderViewHolder>() {
+    private val itemViewType = 6969
+    var search: Runnable? = null
+    var requestFocus: Runnable? = null
+    protected var textWatcher: TextWatcher? = null
+    protected lateinit var searchHistoryAdapter: SearchHistoryAdapter
+    protected lateinit var binding: ItemSearchHeaderBinding
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): SearchHeaderViewHolder {
+        val binding =
+            ItemSearchHeaderBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return SearchHeaderViewHolder(binding)
+    }
+
+    fun setHistoryVisibility(visible: Boolean) {
+        if (visible) {
+            binding.searchResultLayout.startAnimation(fadeOutAnimation())
+            binding.searchHistoryList.startAnimation(fadeInAnimation())
+            binding.searchResultLayout.visibility = View.GONE
+            binding.searchHistoryList.visibility = View.VISIBLE
+            binding.searchByImage.visibility = View.VISIBLE
+        } else {
+            if (binding.searchResultLayout.visibility != View.VISIBLE) {
+                binding.searchResultLayout.startAnimation(fadeInAnimation())
+                binding.searchHistoryList.startAnimation(fadeOutAnimation())
+            }
+
+            binding.searchResultLayout.visibility = View.VISIBLE
+            binding.clearHistory.visibility = View.GONE
+            binding.searchHistoryList.visibility = View.GONE
+            binding.searchByImage.visibility = View.GONE
+        }
+    }
+
+    private fun fadeInAnimation(): Animation {
+        return AlphaAnimation(0f, 1f).apply {
+            duration = 150
+        }
+    }
+
+    protected fun fadeOutAnimation(): Animation {
+        return AlphaAnimation(1f, 0f).apply {
+            duration = 150
+        }
+    }
+
+    protected fun updateClearHistoryVisibility() {
+        binding.clearHistory.visibility =
+            if (searchHistoryAdapter.itemCount > 0) View.VISIBLE else View.GONE
+    }
+
+    fun addHistory() {
+        if (::searchHistoryAdapter.isInitialized && binding.searchBarText.text.toString()
+                .isNotBlank()
+        ) searchHistoryAdapter.add(binding.searchBarText.text.toString())
+    }
+
+    inner class SearchHeaderViewHolder(val binding: ItemSearchHeaderBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    override fun getItemCount(): Int = 1
+
+    override fun getItemViewType(position: Int): Int {
+        return itemViewType
+    }
+}