ContactDetailUpdatesFragment.java revision e0b2f1e2d01d1ac52ba207dc7ce76971d853298e 
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
17package com.android.contacts.detail;
18
19import android.app.ListFragment;
20import android.content.ContentUris;
21import android.content.Intent;
22import android.net.Uri;
23import android.os.Bundle;
24import android.provider.ContactsContract.StreamItems;
25import android.view.LayoutInflater;
26import android.view.View;
27import android.view.ViewGroup;
28import android.widget.AbsListView.OnScrollListener;
29import android.widget.ListView;
30
31import com.android.contacts.ContactLoader;
32import com.android.contacts.R;
33import com.android.contacts.activities.ContactDetailActivity.FragmentKeyListener;
34import com.android.contacts.detail.ContactDetailDisplayUtils.StreamPhotoTag;
35import com.android.contacts.model.AccountType;
36import com.android.contacts.model.AccountTypeManager;
37import com.android.contacts.util.StreamItemEntry;
38
39public class ContactDetailUpdatesFragment extends ListFragment implements FragmentKeyListener {
40
41    private static final String TAG = "ContactDetailUpdatesFragment";
42
43    private ContactLoader.Result 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, ContactLoader.Result 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