/*
* 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 android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.accessibility.AccessibilityEvent;
import com.android.talkback.contextmenu.MenuActionInterceptor;
import com.android.talkback.contextmenu.MenuTransformer;
import com.android.talkback.tutorial.TutorialLessonPage;
import com.android.utils.AccessibilityEventListener;
public abstract class Exercise implements AccessibilityEventListener {
private ExerciseCallback mCallback;
protected TutorialLessonPage mPage;
public void setTutorialLessonPage(TutorialLessonPage page) {
mPage = page;
}
public abstract View getContentView(LayoutInflater inflater, ViewGroup parent);
public void onAccessibilityEvent(AccessibilityEvent event) {}
public void onAction(Context context, String action) {}
public void onInitialized(Context context) {}
public void clear() {}
public void setExerciseCallBack(ExerciseCallback callback) {
mCallback = callback;
}
public boolean needScrollableContainer() {
return false;
}
protected boolean notifyExerciseCompleted(boolean autoSwitchLesson, int completeMessageResId) {
if (mCallback == null) {
return false;
}
mCallback.onExerciseCompleted(autoSwitchLesson, completeMessageResId);
return true;
}
public interface ExerciseCallback {
public void onExerciseCompleted(boolean autoSwitchLesson, int completeMessageResId);
}
public MenuTransformer getContextMenuTransformer() {
return null;
}
public MenuActionInterceptor getContextMenuActionInterceptor() {
return null;
}
}