Home | History | Annotate | Download | only in conversation 
      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.messaging.ui.conversation;
     17 
     18 import android.content.Context;
     19 import android.database.Cursor;
     20 import android.support.v7.widget.RecyclerView;
     21 import android.view.LayoutInflater;
     22 import android.view.View;
     23 import android.view.ViewGroup;
     24 
     25 import com.android.messaging.R;
     26 import com.android.messaging.ui.AsyncImageView;
     27 import com.android.messaging.ui.CursorRecyclerAdapter;
     28 import com.android.messaging.ui.AsyncImageView.AsyncImageViewDelayLoader;
     29 import com.android.messaging.ui.conversation.ConversationMessageView.ConversationMessageViewHost;
     30 import com.android.messaging.util.Assert;
     31 
     32 import java.util.HashSet;
     33 import java.util.List;
     34 
     35 /**
     36  * Provides an interface to expose Conversation Message Cursor data to a UI widget like a
     37  * RecyclerView.
     38  */
     39 public class ConversationMessageAdapter extends
     40     CursorRecyclerAdapter<ConversationMessageAdapter.ConversationMessageViewHolder> {
     41 
     42     private final ConversationMessageViewHost mHost;
     43     private final AsyncImageViewDelayLoader mImageViewDelayLoader;
     44     private final View.OnClickListener mViewClickListener;
     45     private final View.OnLongClickListener mViewLongClickListener;
     46     private boolean mOneOnOne;
     47     private String mSelectedMessageId;
     48 
     49     public ConversationMessageAdapter(final Context context, final Cursor cursor,
     50         final ConversationMessageViewHost host,
     51         final AsyncImageViewDelayLoader imageViewDelayLoader,
     52         final View.OnClickListener viewClickListener,
     53         final View.OnLongClickListener longClickListener) {
     54         super(context, cursor, 0);
     55         mHost = host;
     56         mViewClickListener = viewClickListener;
     57         mViewLongClickListener = longClickListener;
     58         mImageViewDelayLoader = imageViewDelayLoader;
     59         setHasStableIds(true);
     60     }
     61 
     62     @Override
     63     public void bindViewHolder(final ConversationMessageViewHolder holder,
     64             final Context context, final Cursor cursor) {
     65         Assert.isTrue(holder.mView instanceof ConversationMessageView);
     66         final ConversationMessageView conversationMessageView =
     67                 (ConversationMessageView) holder.mView;
     68         conversationMessageView.bind(cursor, mOneOnOne, mSelectedMessageId);
     69     }
     70 
     71     @Override
     72     public ConversationMessageViewHolder createViewHolder(final Context context,
     73             final ViewGroup parent, final int viewType) {
     74         final LayoutInflater layoutInflater = LayoutInflater.from(context);
     75         final ConversationMessageView conversationMessageView = (ConversationMessageView)
     76                 layoutInflater.inflate(R.layout.conversation_message_view, null);
     77         conversationMessageView.setHost(mHost);
     78         conversationMessageView.setImageViewDelayLoader(mImageViewDelayLoader);
     79         return new ConversationMessageViewHolder(conversationMessageView,
     80                             mViewClickListener, mViewLongClickListener);
     81     }
     82 
     83     public void setSelectedMessage(final String messageId) {
     84         mSelectedMessageId = messageId;
     85         notifyDataSetChanged();
     86     }
     87 
     88     public void setOneOnOne(final boolean oneOnOne, final boolean invalidate) {
     89         if (mOneOnOne != oneOnOne) {
     90             mOneOnOne = oneOnOne;
     91             if (invalidate) {
     92                 notifyDataSetChanged();
     93             }
     94         }
     95     }
     96 
     97     /**
     98     * ViewHolder that holds a ConversationMessageView.
     99     */
    100     public static class ConversationMessageViewHolder extends RecyclerView.ViewHolder {
    101         final View mView;
    102 
    103         /**
    104          * @param viewClickListener a View.OnClickListener that should define the interaction when
    105          *        an item in the RecyclerView is clicked.
    106          */
    107         public ConversationMessageViewHolder(final View itemView,
    108                 final View.OnClickListener viewClickListener,
    109                 final View.OnLongClickListener viewLongClickListener) {
    110             super(itemView);
    111             mView = itemView;
    112 
    113             mView.setOnClickListener(viewClickListener);
    114             mView.setOnLongClickListener(viewLongClickListener);
    115         }
    116     }
    117 }
    118