Separate a11y timeout preference controller from accessibility

Bug: 135056871
Test: manual, robotest
Change-Id: I00d40451b40c0a4d5e214b23d78139195d98e42b

src/com/android/settings/accessibility/AccessibilityTimeoutPreferenceController.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2019 The Android Open Source 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.android.settings.accessibility;
+
+import android.content.Context;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+import com.google.common.primitives.Ints;
+
+public class AccessibilityTimeoutPreferenceController extends BasePreferenceController {
+
+    public AccessibilityTimeoutPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        final String[] timeoutSummarys = mContext.getResources().getStringArray(
+                R.array.accessibility_timeout_summaries);
+        final int[] timeoutValues = mContext.getResources().getIntArray(
+                R.array.accessibility_timeout_selector_values);
+        final int timeoutValue = AccessibilityTimeoutController.getSecureAccessibilityTimeoutValue(
+                mContext.getContentResolver(),
+                AccessibilityTimeoutController.CONTROL_TIMEOUT_SETTINGS_SECURE);
+        final int idx = Ints.indexOf(timeoutValues, timeoutValue);
+        return timeoutSummarys[idx == -1 ? 0 : idx];
+    }
+}