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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 com.android.mms.R;
     21 import com.android.mms.LogTag;
     22 import com.android.mms.data.Conversation;
     23 
     24 import android.content.Context;
     25 import android.database.Cursor;
     26 import android.util.Log;
     27 import android.view.LayoutInflater;
     28 import android.view.View;
     29 import android.view.ViewGroup;
     30 import android.widget.AbsListView;
     31 import android.widget.CursorAdapter;
     32 
     33 /**
     34  * The back-end data adapter for ConversationList.
     35  */
     36 //TODO: This should be public class ConversationListAdapter extends ArrayAdapter<Conversation>
     37 public class ConversationListAdapter extends CursorAdapter implements AbsListView.RecyclerListener {
     38     private static final String TAG = "ConversationListAdapter";
     39     private static final boolean LOCAL_LOGV = false;
     40 
     41     private final LayoutInflater mFactory;
     42     private OnContentChangedListener mOnContentChangedListener;
     43 
     44     public ConversationListAdapter(Context context, Cursor cursor) {
     45         super(context, cursor, false /* auto-requery */);
     46         mFactory = LayoutInflater.from(context);
     47     }
     48 
     49     @Override
     50     public void bindView(View view, Context context, Cursor cursor) {
     51         if (!(view instanceof ConversationListItem)) {
     52             Log.e(TAG, "Unexpected bound view: " + view);
     53             return;
     54         }
     55 
     56         ConversationListItem headerView = (ConversationListItem) view;
     57         Conversation conv = Conversation.from(context, cursor);
     58         headerView.bind(context, conv);
     59     }
     60 
     61     public void onMovedToScrapHeap(View view) {
     62         ConversationListItem headerView = (ConversationListItem)view;
     63         headerView.unbind();
     64     }
     65 
     66     @Override
     67     public View newView(Context context, Cursor cursor, ViewGroup parent) {
     68         if (LOCAL_LOGV) Log.v(TAG, "inflating new view");
     69         return mFactory.inflate(R.layout.conversation_list_item, parent, false);
     70     }
     71 
     72     public interface OnContentChangedListener {
     73         void onContentChanged(ConversationListAdapter adapter);
     74     }
     75 
     76     public void setOnContentChangedListener(OnContentChangedListener l) {
     77         mOnContentChangedListener = l;
     78     }
     79 
     80     @Override
     81     protected void onContentChanged() {
     82         if (mCursor != null && !mCursor.isClosed()) {
     83             if (mOnContentChangedListener != null) {
     84                 mOnContentChangedListener.onContentChanged(this);
     85             }
     86         }
     87     }
     88 
     89     public void uncheckAll() {
     90         int count = getCount();
     91         for (int i = 0; i < count; i++) {
     92             Cursor cursor = (Cursor)getItem(i);
     93             Conversation conv = Conversation.from(mContext, cursor);
     94             conv.setIsChecked(false);
     95         }
     96     }
     97 }
     98