Merge "Cannot switch between multiple TTS engines" into qt-dev

import com.android.settings.R;

import androidx.annotation.VisibleForTesting;

public class TtsEnginePreference extends Preference {

     * The shared radio button state, which button is checked etc.

     */

    private final RadioButtonGroupState mSharedState;

    private RadioButton mRadioButton;

    /**

     * When true, the change callbacks on the radio button will not

        mPreventRadioButtonCallbacks = true;

        rb.setChecked(isChecked);

        mPreventRadioButtonCallbacks = false;

        mRadioButton = rb;

    }

    @Override

    public void onClick() {

        mRadioButton.setChecked(true);

    }

    private boolean shouldDisplayDataAlert() {

/*

 * 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.tts;

import static com.google.common.truth.Truth.assertThat;

import android.content.Context;

import android.speech.tts.TextToSpeech;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.Checkable;

import androidx.preference.PreferenceViewHolder;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.robolectric.RobolectricTestRunner;

import org.robolectric.RuntimeEnvironment;

@RunWith(RobolectricTestRunner.class)

public class TtsEnginePreferenceTest {

    private static final String KEY = "test_key";

    private TtsEnginePreference mPreference;

    private Context mContext;

    private PreferenceViewHolder mViewHolder;

    private View mRootView;

    private FakeRadioButtonGroupState mState;

    @Before

    public void setUp() {

        mContext = RuntimeEnvironment.application;

        final TextToSpeech.EngineInfo info = new TextToSpeech.EngineInfo();

        info.system = true;

        mState = new FakeRadioButtonGroupState();

        mPreference = new TtsEnginePreference(mContext, info, mState);

        mPreference.setKey(KEY);

        // Create preference view holder

        final LayoutInflater inflater = LayoutInflater.from(mContext);

        mRootView = View.inflate(mContext, mPreference.getLayoutResource(), null /* parent */);

        final ViewGroup widgetFrame = mRootView.findViewById(android.R.id.widget_frame);

        inflater.inflate(mPreference.getWidgetLayoutResource(), widgetFrame);

        mViewHolder = PreferenceViewHolder.createInstanceForTests(mRootView);

    }

    @Test

    public void onClick_shouldInvokeOnCheckedChangeListener() {

        mPreference.onBindViewHolder(mViewHolder);

        mPreference.onClick();

        assertThat(mState.getCurrentKey()).isEqualTo(mPreference.getKey());

    }

    public static class FakeRadioButtonGroupState implements

            TtsEnginePreference.RadioButtonGroupState {

        private String mKey;

        @Override

        public Checkable getCurrentChecked() {

            return null;

        }

        @Override

        public String getCurrentKey() {

            return mKey;

        }

        @Override

        public void setCurrentChecked(Checkable current) {

        }

        @Override

        public void setCurrentKey(String key) {

            mKey = key;

        }

    }

}