Android Open Source - TuentiTV Detail Presenter

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2014 Pedro Vicente Gmez Snchez.
 */*from   w  w w.  j  a v a 2 s  .  c om*/
 * 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.github.pedrovgs.tuentitv.presenter;

import com.github.pedrovgs.tuentitv.model.Agenda;
import com.github.pedrovgs.tuentitv.model.Chat;
import com.github.pedrovgs.tuentitv.ui.data.CardInfo;
import javax.inject.Inject;

/**
 * Presenter used by DetailFragment and created to implement all the presentation logic related to
 * show one contact or one ConversationSummary as detailed information. To work with this
 * presenter, the presenter client have to register a view and also indicate which is the element
 * id to show.
 *
 * This class is designed to show information to CardInfo interface instead of ConversationSummary
 * or Contact to improve the coupling between view implementations and model knowledge. Agenda and
 * Chat objects are going to be used as data repositories to find elements using CardInfo id.
 *
 * @author Pedro Vicente Gmez Snchez.
 */
public class DetailPresenter {

  private final Agenda agenda;
  private final Chat chat;

  private View view;

  @Inject public DetailPresenter(Agenda agenda, Chat chat) {
    this.agenda = agenda;
    this.chat = chat;
  }

  public void setView(View view) {
    this.view = view;
  }

  /**
   * Using a content id search a CardInfo instance to show inside user Agenda or user Chat. Once
   * the information is ready, this CardInfo instance is used to show that info to the user.
   */
  public void loadContent(String contentId) {
    CardInfo cardInfo = loadCardInfo(contentId);
    showBackground(cardInfo);
    showCardInfoDetails(cardInfo);
  }

  private CardInfo loadCardInfo(String contentId) {
    CardInfo cardInfo = null;
    cardInfo = agenda.getContactById(contentId);
    if (cardInfo == null) {
      cardInfo = chat.getConversationById(contentId);
    }
    return cardInfo;
  }

  private void showBackground(CardInfo cardInfo) {
    view.showBackground(cardInfo.getSecondaryImage());
  }

  private void showCardInfoDetails(CardInfo cardInfo) {
    view.showCardInfo(cardInfo);
  }

  public interface View {

    void showBackground(String backgroundUrl);

    void showCardInfo(CardInfo cardInfo);
  }
}

Java Source Code List

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