Lesson3PracticeExercise.java

/*
 * Copyright (C) 2015 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.talkback.tutorial.exercise;

import android.content.Context;
import com.android.talkback.R;
import com.android.talkback.SpeechController;
import com.google.android.marvin.talkback.TalkBackService;

public class Lesson3PracticeExercise extends ContextMenuExercise {

    private boolean mGlobalContextMenuOpened;

    @Override
    public void onAction(Context context, String action) {
        TalkBackService service = TalkBackService.getInstance();
        if (service == null) {
            return;
        }

        if (context.getString(R.string.shortcut_value_talkback_breakout).equals(action)) {
            mGlobalContextMenuOpened = true;
            updateImage();
        }
    }

    @Override
    public int getImageResource() {
        if (mGlobalContextMenuOpened) {
            return R.drawable.up_right_arrow;
        }
        return R.drawable.down_right_arrow;
    }

    @Override
    public CharSequence getContentDescription(Context context) {
        return context.getString(R.string.tutorial_lesson_3_practice_content_description);
    }

    @Override
    public void onMenuCancelButtonClicked() {
        //NoOp
    }
}