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      1 /*
      2  * Copyright (C) 2008 Esmertec AG.
      3  * Copyright (C) 2008 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 package com.android.mms.ui;
     19 
     20 import android.content.Context;
     21 
     22 import com.android.mms.model.IModelChangedObserver;
     23 import com.android.mms.model.Model;
     24 import com.android.mms.util.ItemLoadedCallback;
     25 
     26 /**
     27  * An abstract message presenter.
     28  */
     29 public abstract class Presenter implements IModelChangedObserver {
     30     protected final Context mContext;
     31     protected ViewInterface mView;
     32     protected Model mModel;
     33 
     34     public Presenter(Context context, ViewInterface view, Model model) {
     35         mContext = context;
     36         mView = view;
     37 
     38         mModel = model;
     39         mModel.registerModelChangedObserver(this);
     40     }
     41 
     42     public ViewInterface getView() {
     43         return mView;
     44     }
     45 
     46     public void setView(ViewInterface view) {
     47         mView = view;
     48     }
     49 
     50     public Model getModel() {
     51         return mModel;
     52     }
     53 
     54     public void setModel(Model model) {
     55         mModel = model;
     56     }
     57 
     58     public abstract void present(ItemLoadedCallback callback);
     59 
     60     public abstract void cancelBackgroundLoading();
     61 }
     62