MirrorPresentationFragment.java

/***
  Copyright (c) 2013 CommonsWare, LLC
  
  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.commonsware.cwac.preso;

import android.content.Context;
import android.os.Bundle;
import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.commonsware.cwac.layouts.Mirror;

/**
 * A PresentationFragment that displays a Mirror, showing content from
 * some MirroringFragment. Use this to arrange to display part of a device's
 * content on a monitor or projector.
 */
public class MirrorPresentationFragment extends PresentationFragment {
  private Mirror mirror=null;
  private MirroringFragment source=null;

  /**
   * Factory method for creating an instance of this fragment.
   *
   * Because the Display cannot be put in the saved instance state Bundle,
   * it is important for the activity that uses this fragment to attempt to
   * avoid the recreate cycle on configuration changes (e.g., use
   * android:configChanges in the manifest to handle configuration changes
   * yourself).
   *
   * @param ctxt a Context associated with this Display
   * @param display the Display on which to show the presentation
   * @return the fragment
   */
  public static MirrorPresentationFragment newInstance(Context ctxt,
                                                       Display display) {
    MirrorPresentationFragment frag=new MirrorPresentationFragment();

    frag.setDisplay(ctxt, display);

    return(frag);
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public View onCreateView(LayoutInflater inflater,
                           ViewGroup container,
                           Bundle savedInstanceState) {
    mirror=new Mirror(getActivity());
    
    if (source!=null) {
      source.setMirror(mirror);
    }
    
    return(mirror);
  }
  
  Mirror getMirror() {
    return(mirror);
  }
  
  void setMirroringFragment(MirroringFragment source) {
    this.source=source;
  }
}