SamsungDAP: Add a basic search indexables provider

Change-Id: Ibab1cb6e0b3803afc95452fa36a991103fc557ab

dap/AndroidManifest.xml

@@ -42,6 +42,18 @@
                 android:value="com.android.settings.category.ia.sound" />
         </activity>
 
+        <provider
+            android:name=".DolbySearchIndexablesProvider"
+            android:exported="true"
+            android:authorities="org.lineageos.dap"
+            android:multiprocess="false"
+            android:grantUriPermissions="true"
+            android:permission="android.permission.READ_SEARCH_INDEXABLES">
+            <intent-filter>
+                <action android:name="android.content.action.SEARCH_INDEXABLES_PROVIDER" />
+            </intent-filter>
+        </provider>
+
         <receiver
             android:name=".BootCompletedReceiver"
             android:exported="true">

dap/src/org/lineageos/dap/DolbySearchIndexablesProvider.kt

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2022 The LineageOS 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 org.lineageos.dap
+
+import android.database.Cursor
+import android.database.MatrixCursor
+import android.provider.SearchIndexableResource
+import android.provider.SearchIndexablesProvider
+import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_CLASS_NAME
+import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_ICON_RESID
+import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_INTENT_ACTION
+import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_INTENT_TARGET_CLASS
+import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_INTENT_TARGET_PACKAGE
+import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_RANK
+import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_RESID
+import android.provider.SearchIndexablesContract.INDEXABLES_RAW_COLUMNS
+import android.provider.SearchIndexablesContract.INDEXABLES_XML_RES_COLUMNS
+import android.provider.SearchIndexablesContract.NON_INDEXABLES_KEYS_COLUMNS
+
+class DolbySearchIndexablesProvider : SearchIndexablesProvider() {
+    override fun onCreate(): Boolean = true
+
+    override fun queryXmlResources(projection: Array<String?>?): Cursor {
+        val cursor = MatrixCursor(INDEXABLES_XML_RES_COLUMNS)
+        INDEXABLE_RES.forEach {
+            cursor.addRow(generateResourceRef(it))
+        }
+        return cursor
+    }
+
+    override fun queryRawData(projection: Array<String?>?): Cursor {
+        return MatrixCursor(INDEXABLES_RAW_COLUMNS)
+    }
+
+    override fun queryNonIndexableKeys(projection: Array<String?>?): Cursor {
+        return MatrixCursor(NON_INDEXABLES_KEYS_COLUMNS)
+    }
+
+    private fun generateResourceRef(sir: SearchIndexableResource): Array<Any?> {
+        val ref = arrayOfNulls<Any>(7)
+        ref[COLUMN_INDEX_XML_RES_RANK] = sir.rank
+        ref[COLUMN_INDEX_XML_RES_RESID] = sir.xmlResId
+        ref[COLUMN_INDEX_XML_RES_CLASS_NAME] = null
+        ref[COLUMN_INDEX_XML_RES_ICON_RESID] = sir.iconResId
+        ref[COLUMN_INDEX_XML_RES_INTENT_ACTION] = "com.android.settings.action.EXTRA_SETTINGS"
+        ref[COLUMN_INDEX_XML_RES_INTENT_TARGET_PACKAGE] = "org.lineageos.dap"
+        ref[COLUMN_INDEX_XML_RES_INTENT_TARGET_CLASS] = sir.className
+        return ref
+    }
+
+    companion object {
+        private const val TAG = "DolbySearchIndexablesProvider"
+
+        private val INDEXABLE_RES = arrayOf<SearchIndexableResource>(
+            SearchIndexableResource(
+                1, R.xml.dolby_settings, DolbyActivity::class.java.name, 0
+            )
+        )
+    }
+}