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      1 /*
      2  * Copyright (C) 2012 Google Inc.
      3  * Licensed to 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.mail.browse;
     19 
     20 import android.content.Context;
     21 import android.content.res.Resources;
     22 import android.util.AttributeSet;
     23 import android.view.View;
     24 import android.widget.FrameLayout;
     25 import android.widget.TextView;
     26 
     27 import com.android.mail.R;
     28 import com.android.mail.browse.ConversationViewAdapter.SuperCollapsedBlockItem;
     29 
     30 import java.text.NumberFormat;
     31 
     32 /**
     33  * A header block that expands to a list of collapsed message headers. Will notify a listener on tap
     34  * so the listener can hide the block and reveal the corresponding collapsed message headers.
     35  *
     36  */
     37 public class SuperCollapsedBlock extends FrameLayout implements View.OnClickListener {
     38 
     39     public interface OnClickListener {
     40         /**
     41          * Handle a click on a super-collapsed block.
     42          *
     43          */
     44         void onSuperCollapsedClick(SuperCollapsedBlockItem item);
     45     }
     46 
     47     private SuperCollapsedBlockItem mSuperCollapsedItem;
     48     private OnClickListener mClick;
     49     private TextView mSuperCollapsedText;
     50 
     51     public SuperCollapsedBlock(Context context) {
     52         this(context, null);
     53     }
     54 
     55     public SuperCollapsedBlock(Context context, AttributeSet attrs) {
     56         super(context, attrs);
     57         setActivated(false);
     58         setOnClickListener(this);
     59     }
     60 
     61     public void initialize(OnClickListener onClick) {
     62         mClick = onClick;
     63     }
     64 
     65     @Override
     66     protected void onFinishInflate() {
     67         super.onFinishInflate();
     68         mSuperCollapsedText = (TextView) findViewById(R.id.super_collapsed_text);
     69     }
     70 
     71     public void bind(SuperCollapsedBlockItem item) {
     72         mSuperCollapsedItem = item;
     73         setCount(item.getEnd() - item.getStart() + 1);
     74     }
     75 
     76     public void setCount(int count) {
     77         final String strCount = NumberFormat.getIntegerInstance().format(count);
     78         mSuperCollapsedText.setText(strCount);
     79         final Resources res = getResources();
     80         final int colorId = mSuperCollapsedItem.hasDraft() ?
     81                 R.color.text_color_draft_red : R.color.conversation_view_text_color_light;
     82         mSuperCollapsedText.setTextColor(res.getColor(colorId));
     83         setContentDescription(
     84                 res.getQuantityString(R.plurals.show_messages_read, count, count));
     85     }
     86 
     87     @Override
     88     public void onClick(final View v) {
     89         ((TextView) findViewById(R.id.super_collapsed_text)).setText(
     90                 R.string.loading_conversation);
     91 
     92         if (mClick != null) {
     93             getHandler().post(new Runnable() {
     94                 @Override
     95                 public void run() {
     96                     mClick.onSuperCollapsedClick(mSuperCollapsedItem);
     97                 }
     98             });
     99         }
    100     }
    101 }
    102