Add controller for battery saver button

Bug: 72228477 Test: RunSettingsRoboTests Change-Id: Iae9096a10553ea761d099e1e72c1de56b693bac0
2018-01-24 19:42:42 -08:00
parent 1dd690198f
commit 92757b2454
14 changed files with 526 additions and 19 deletions
--- a/src/com/android/settings/widget/TwoStateButtonPreferenceController.java
+++ b/src/com/android/settings/widget/TwoStateButtonPreferenceController.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2018 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.widget;
+
+import android.content.Context;
+import android.support.v7.preference.PreferenceScreen;
+import android.view.View;
+import android.widget.Button;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Controller to update the button with two states(On vs Off).
+ */
+public abstract class TwoStateButtonPreferenceController extends BasePreferenceController
+        implements View.OnClickListener {
+    private Button mButtonOn;
+    private Button mButtonOff;
+
+    public TwoStateButtonPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        final TwoStateButtonPreference preference =
+                (TwoStateButtonPreference) screen.findPreference(getPreferenceKey());
+        mButtonOn = preference.getStateOnButton();
+        mButtonOn.setOnClickListener(this);
+        mButtonOff = preference.getStateOffButton();
+        mButtonOff.setOnClickListener(this);
+    }
+
+    protected void updateButton(boolean stateOn) {
+        if (stateOn) {
+            mButtonOff.setVisibility(View.GONE);
+            mButtonOn.setVisibility(View.VISIBLE);
+        } else {
+            mButtonOff.setVisibility(View.VISIBLE);
+            mButtonOn.setVisibility(View.GONE);
+        }
+    }
+
+    @Override
+    public void onClick(View v) {
+        final boolean stateOn = v.getId() == R.id.state_on_button;
+        onButtonClicked(stateOn);
+    }
+
+    /**
+     * Callback when button is clicked
+     *
+     * @param stateOn {@code true} if stateOn button is clicked, otherwise it means stateOff
+     *                button is clicked
+     */
+    public abstract void onButtonClicked(boolean stateOn);
+}