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      1 /*
      2  * Copyright (C) 2011 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 
     17 package com.android.contacts.detail;
     18 
     19 import android.app.ListFragment;
     20 import android.content.ContentUris;
     21 import android.content.Intent;
     22 import android.net.Uri;
     23 import android.os.Bundle;
     24 import android.provider.ContactsContract.StreamItems;
     25 import android.view.LayoutInflater;
     26 import android.view.View;
     27 import android.view.ViewGroup;
     28 import android.widget.AbsListView.OnScrollListener;
     29 import android.widget.ListView;
     30 
     31 import com.android.contacts.R;
     32 import com.android.contacts.activities.ContactDetailActivity.FragmentKeyListener;
     33 import com.android.contacts.detail.ContactDetailDisplayUtils.StreamPhotoTag;
     34 import com.android.contacts.model.AccountTypeManager;
     35 import com.android.contacts.model.Contact;
     36 import com.android.contacts.model.account.AccountType;
     37 import com.android.contacts.util.StreamItemEntry;
     38 
     39 public class ContactDetailUpdatesFragment extends ListFragment implements FragmentKeyListener {
     40 
     41     private static final String TAG = "ContactDetailUpdatesFragment";
     42 
     43     private Contact mContactData;
     44     private Uri mLookupUri;
     45 
     46     private LayoutInflater mInflater;
     47     private StreamItemAdapter mStreamItemAdapter;
     48 
     49     private OnScrollListener mVerticalScrollListener;
     50 
     51     /**
     52      * Listener on clicks on a stream item.
     53      * <p>
     54      * It assumes the view has a tag of type {@link StreamItemEntry} associated with it.
     55      */
     56     private final View.OnClickListener mStreamItemClickListener = new View.OnClickListener() {
     57         @Override
     58         public void onClick(View view) {
     59             StreamItemEntry streamItemEntry = (StreamItemEntry) view.getTag();
     60             if (streamItemEntry == null) {
     61                 // Ignore if this item does not have a stream item associated with it.
     62                 return;
     63             }
     64             final AccountType accountType = getAccountTypeForStreamItemEntry(streamItemEntry);
     65 
     66             final Uri uri = ContentUris.withAppendedId(StreamItems.CONTENT_URI,
     67                     streamItemEntry.getId());
     68             final Intent intent = new Intent(Intent.ACTION_VIEW, uri);
     69             intent.setClassName(accountType.syncAdapterPackageName,
     70                     accountType.getViewStreamItemActivity());
     71             startActivity(intent);
     72         }
     73     };
     74 
     75     private final View.OnClickListener mStreamItemPhotoItemClickListener
     76             = new View.OnClickListener() {
     77         @Override
     78         public void onClick(View view) {
     79             StreamPhotoTag tag = (StreamPhotoTag) view.getTag();
     80             if (tag == null) {
     81                 return;
     82             }
     83             final AccountType accountType = getAccountTypeForStreamItemEntry(tag.streamItem);
     84 
     85             final Intent intent = new Intent(Intent.ACTION_VIEW, tag.getStreamItemPhotoUri());
     86             intent.setClassName(accountType.syncAdapterPackageName,
     87                     accountType.getViewStreamItemPhotoActivity());
     88             startActivity(intent);
     89         }
     90     };
     91 
     92     private AccountType getAccountTypeForStreamItemEntry(StreamItemEntry streamItemEntry) {
     93         return AccountTypeManager.getInstance(getActivity()).getAccountType(
     94                 streamItemEntry.getAccountType(), streamItemEntry.getDataSet());
     95     }
     96 
     97     public ContactDetailUpdatesFragment() {
     98         // Explicit constructor for inflation
     99     }
    100 
    101     @Override
    102     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedState) {
    103         mInflater = inflater;
    104         return mInflater.inflate(R.layout.contact_detail_updates_fragment, container, false);
    105     }
    106 
    107     @Override
    108     public void onViewCreated(View view, Bundle savedInstanceState) {
    109         super.onViewCreated(view, savedInstanceState);
    110         mStreamItemAdapter = new StreamItemAdapter(getActivity(), mStreamItemClickListener,
    111                 mStreamItemPhotoItemClickListener);
    112         setListAdapter(mStreamItemAdapter);
    113         getListView().setOnScrollListener(mVerticalScrollListener);
    114 
    115         // It is possible that the contact data was set to the fragment when it was first attached
    116         // to the activity, but before this method was called because the fragment was not
    117         // visible on screen yet (i.e. using a {@link ViewPager}), so display the data if we already
    118         // have it.
    119         if (mContactData != null) {
    120             mStreamItemAdapter.setStreamItems(mContactData.getStreamItems());
    121         }
    122     }
    123 
    124     public void setData(Uri lookupUri, Contact result) {
    125         if (result == null) {
    126             return;
    127         }
    128         mLookupUri = lookupUri;
    129         mContactData = result;
    130 
    131         // If the adapter has been created already, then try to set stream items. Otherwise,
    132         // wait for the adapter to get initialized, after which we will try to set the stream items
    133         // again.
    134         if (mStreamItemAdapter != null) {
    135             mStreamItemAdapter.setStreamItems(mContactData.getStreamItems());
    136         }
    137     }
    138 
    139     /**
    140      * Reset the list adapter in this {@link Fragment} to get rid of any saved scroll position
    141      * from a previous contact.
    142      */
    143     public void resetAdapter() {
    144         setListAdapter(mStreamItemAdapter);
    145     }
    146 
    147     @Override
    148     public boolean handleKeyDown(int keyCode) {
    149         return false;
    150     }
    151 
    152     public void setVerticalScrollListener(OnScrollListener listener) {
    153         mVerticalScrollListener = listener;
    154     }
    155 
    156     /**
    157      * Returns the top coordinate of the first item in the {@link ListView}. If the first item
    158      * in the {@link ListView} is not visible or there are no children in the list, then return
    159      * Integer.MIN_VALUE. Note that the returned value will be <= 0 because the first item in the
    160      * list cannot have a positive offset.
    161      */
    162     public int getFirstListItemOffset() {
    163         return ContactDetailDisplayUtils.getFirstListItemOffset(getListView());
    164     }
    165 
    166     /**
    167      * Tries to scroll the first item to the given offset (this can be a no-op if the list is
    168      * already in the correct position).
    169      * @param offset which should be <= 0
    170      */
    171     public void requestToMoveToOffset(int offset) {
    172         ContactDetailDisplayUtils.requestToMoveToOffset(getListView(), offset);
    173     }
    174 }
    175