1 files changed, 191 insertions, 0 deletions
diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsSearchFragment.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsSearchFragment.kt
new file mode 100644
index 000000000..51740a2ac
--- /dev/null
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsSearchFragment.kt
@@ -0,0 +1,191 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.yuzu.yuzu_emu.features.settings.ui
+
+import android.content.Context
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.view.inputmethod.InputMethodManager
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.updatePadding
+import androidx.core.widget.doOnTextChanged
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.google.android.material.divider.MaterialDividerItemDecoration
+import com.google.android.material.transition.MaterialSharedAxis
+import info.debatty.java.stringsimilarity.Cosine
+import kotlinx.coroutines.launch
+import org.yuzu.yuzu_emu.R
+import org.yuzu.yuzu_emu.databinding.FragmentSettingsSearchBinding
+import org.yuzu.yuzu_emu.features.settings.model.view.SettingsItem
+import org.yuzu.yuzu_emu.utils.NativeConfig
+import org.yuzu.yuzu_emu.utils.ViewUtils.updateMargins
+
+class SettingsSearchFragment : Fragment() {
+    private var _binding: FragmentSettingsSearchBinding? = null
+    private val binding get() = _binding!!
+
+    private var settingsAdapter: SettingsAdapter? = null
+
+    private val settingsViewModel: SettingsViewModel by activityViewModels()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enterTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+        returnTransition = MaterialSharedAxis(MaterialSharedAxis.X, false)
+        reenterTransition = MaterialSharedAxis(MaterialSharedAxis.X, false)
+        exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        _binding = FragmentSettingsSearchBinding.inflate(layoutInflater)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        if (savedInstanceState != null) {
+            binding.searchText.setText(savedInstanceState.getString(SEARCH_TEXT))
+        }
+
+        settingsAdapter = SettingsAdapter(this, requireContext())
+
+        val dividerDecoration = MaterialDividerItemDecoration(
+            requireContext(),
+            LinearLayoutManager.VERTICAL
+        )
+        dividerDecoration.isLastItemDecorated = false
+        binding.settingsList.apply {
+            adapter = settingsAdapter
+            layoutManager = LinearLayoutManager(requireContext())
+            addItemDecoration(dividerDecoration)
+        }
+
+        focusSearch()
+
+        binding.backButton.setOnClickListener { settingsViewModel.setShouldNavigateBack(true) }
+        binding.searchBackground.setOnClickListener { focusSearch() }
+        binding.clearButton.setOnClickListener { binding.searchText.setText("") }
+        binding.searchText.doOnTextChanged { _, _, _, _ ->
+            search()
+            binding.settingsList.smoothScrollToPosition(0)
+        }
+        viewLifecycleOwner.lifecycleScope.launch {
+            repeatOnLifecycle(Lifecycle.State.CREATED) {
+                settingsViewModel.shouldReloadSettingsList.collect {
+                    if (it) {
+                        settingsViewModel.setShouldReloadSettingsList(false)
+                        search()
+                    }
+                }
+            }
+        }
+
+        search()
+
+        setInsets()
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        outState.putString(SEARCH_TEXT, binding.searchText.text.toString())
+    }
+
+    private fun search() {
+        val searchTerm = binding.searchText.text.toString().lowercase()
+        binding.clearButton.visibility =
+            if (searchTerm.isEmpty()) View.INVISIBLE else View.VISIBLE
+        if (searchTerm.isEmpty()) {
+            binding.noResultsView.visibility = View.VISIBLE
+            settingsAdapter?.submitList(emptyList())
+            return
+        }
+
+        val baseList = SettingsItem.settingsItems
+        val similarityAlgorithm = if (searchTerm.length > 2) Cosine() else Cosine(1)
+        val sortedList: List<SettingsItem> = baseList.mapNotNull { item ->
+            val title = item.value.title.lowercase()
+            val similarity = similarityAlgorithm.similarity(searchTerm, title)
+            if (similarity > 0.08) {
+                Pair(similarity, item)
+            } else {
+                null
+            }
+        }.sortedByDescending { it.first }.mapNotNull {
+            val item = it.second.value
+            val pairedSettingKey = item.setting.pairedSettingKey
+            val optionalSetting: SettingsItem? = if (pairedSettingKey.isNotEmpty()) {
+                val pairedSettingValue = NativeConfig.getBoolean(pairedSettingKey, false)
+                if (pairedSettingValue) it.second.value else null
+            } else {
+                it.second.value
+            }
+            optionalSetting
+        }
+        settingsAdapter?.submitList(sortedList)
+        binding.noResultsView.visibility =
+            if (sortedList.isEmpty()) View.VISIBLE else View.INVISIBLE
+    }
+
+    private fun focusSearch() {
+        binding.searchText.requestFocus()
+        val imm = requireActivity()
+            .getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager?
+        imm?.showSoftInput(binding.searchText, InputMethodManager.SHOW_IMPLICIT)
+    }
+
+    private fun setInsets() =
+        ViewCompat.setOnApplyWindowInsetsListener(
+            binding.root
+        ) { _: View, windowInsets: WindowInsetsCompat ->
+            val extraListSpacing = resources.getDimensionPixelSize(R.dimen.spacing_med)
+            val sideMargin = resources.getDimensionPixelSize(R.dimen.spacing_medlarge)
+            val topMargin = resources.getDimensionPixelSize(R.dimen.spacing_chip)
+
+            val barInsets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars())
+            val cutoutInsets = windowInsets.getInsets(WindowInsetsCompat.Type.displayCutout())
+
+            val leftInsets = barInsets.left + cutoutInsets.left
+            val rightInsets = barInsets.right + cutoutInsets.right
+
+            binding.settingsList.updatePadding(bottom = barInsets.bottom + extraListSpacing)
+            binding.frameSearch.updatePadding(
+                left = leftInsets + sideMargin,
+                top = barInsets.top + topMargin,
+                right = rightInsets + sideMargin
+            )
+            binding.noResultsView.updatePadding(
+                left = leftInsets,
+                right = rightInsets,
+                bottom = barInsets.bottom
+            )
+
+            binding.settingsList.updateMargins(
+                left = leftInsets + sideMargin,
+                right = rightInsets + sideMargin
+            )
+            binding.divider.updateMargins(
+                left = leftInsets + sideMargin,
+                right = rightInsets + sideMargin
+            )
+
+            windowInsets
+        }
+
+    companion object {
+        const val SEARCH_TEXT = "SearchText"
+    }
+}