Cherish: Import BasePreferenceController and DashboardFragment from Krypton

Signed-off-by: Hưng Phan <phandinhhungvp2001@gmail.com>

src/com/cherish/settings/CherishBasePreferenceController.kt

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2022 AOSP-Krypton Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.cherish.settings
+
+import android.content.Context
+import android.util.Log
+
+import com.android.settings.core.BasePreferenceController
+import com.android.settings.core.PreferenceControllerMixin
+import com.android.settingslib.search.SearchIndexableRaw
+
+abstract class CherishBasePreferenceController(
+    private val context: Context,
+    private val key: String,
+): BasePreferenceController(context, key),
+        PreferenceControllerMixin {
+
+    /**
+     * Updates non-indexable keys for search provider.
+     *
+     * Called by SearchIndexProvider#getNonIndexableKeys
+     */
+    override fun updateNonIndexableKeys(keys: MutableList<String>) {
+        val shouldSuppressFromSearch = !isAvailable()
+                || getAvailabilityStatus() == AVAILABLE_UNSEARCHABLE
+        if (shouldSuppressFromSearch) {
+            if (preferenceKey?.isBlank() == true) {
+                Log.w(TAG, "Skipping updateNonIndexableKeys due to empty key " + toString())
+                return
+            }
+            if (keys.contains(key)) {
+                Log.w(TAG, "Skipping updateNonIndexableKeys, key already in list. " + toString())
+                return
+            }
+            keys.add(key)
+        }
+    }
+
+    /**
+     * Updates raw data for search provider.
+     *
+     * Called by SearchIndexProvider#getRawDataToIndex
+     */
+    override open fun updateRawDataToIndex(rawData: MutableList<SearchIndexableRaw>) {}
+
+    /**
+     * Updates dynamic raw data for search provider.
+     *
+     * Called by SearchIndexProvider#getDynamicRawDataToIndex
+     */
+    override open fun updateDynamicRawDataToIndex(rawData: MutableList<SearchIndexableRaw>) {}
+
+    companion object {
+        private const val TAG = "CherishBasePreferenceController"
+    }
+}