AccessibilityWrapper.java :  » VOIP » keyyo-mobile-android-voip » com » csipsimple » utils » accessibility » Android Open Source

/**
 * Copyright (C) 2010 Regis Montoya (aka r3gis - www.r3gis.fr)
 * This file is part of CSipSimple.
 *
 *  CSipSimple is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  CSipSimple is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with CSipSimple.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.csipsimple.utils.accessibility;

import android.content.Context;

import com.csipsimple.utils.Compatibility;

public abstract class AccessibilityWrapper {
  
  private static AccessibilityWrapper instance;
  
  public static AccessibilityWrapper getInstance() {
    if(instance == null) {
      String className =  "com.csipsimple.utils.accessibility.Accessibility";
      if(Compatibility.isCompatible(4)) {
        className += "4";
      }else {
        className += "3";
      }
      try {
                Class<? extends AccessibilityWrapper> wrappedClass = Class.forName(className).asSubclass(AccessibilityWrapper.class);
                instance = wrappedClass.newInstance();
      } catch (Exception e) {
            throw new IllegalStateException(e);
          }
    }
    
    return instance;
  }
  
  protected AccessibilityWrapper() {}

  
  public abstract void init(Context context);
  public abstract boolean isEnabled();

}