1/*
2 * Copyright (C) 2010 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.interactions;
18
19import android.app.Activity;
20import android.app.AlertDialog;
21import android.app.Dialog;
22import android.app.DialogFragment;
23import android.app.FragmentManager;
24import android.content.Context;
25import android.content.DialogInterface;
26import android.content.Intent;
27import android.content.res.Resources;
28import android.database.Cursor;
29import android.net.Uri;
30import android.os.Bundle;
31import android.provider.ContactsContract.Contacts;
32import android.telephony.SubscriptionManager;
33import android.util.Log;
34import android.view.LayoutInflater;
35import android.view.View;
36import android.view.ViewGroup;
37import android.widget.ArrayAdapter;
38import android.widget.TextView;
39import android.widget.Toast;
40
41import com.android.contacts.R;
42import com.android.contacts.util.ImplicitIntentsUtil;
43import com.android.contacts.vcard.ExportVCardActivity;
44import com.android.contacts.vcard.ShareVCardActivity;
45import com.android.contacts.vcard.VCardCommonArguments;
46
47/**
48 * An dialog invoked to import/export contacts.
49 */
50public class ExportDialogFragment extends DialogFragment {
51    public static final String TAG = "ExportDialogFragment";
52
53    public static final int EXPORT_MODE_FAVORITES = 0;
54    public static final int EXPORT_MODE_ALL_CONTACTS = 1;
55    public static final int EXPORT_MODE_DEFAULT = -1;
56
57    private static int mExportMode = EXPORT_MODE_DEFAULT;
58
59    private final String[] LOOKUP_PROJECTION = new String[] {
60            Contacts.LOOKUP_KEY
61    };
62
63    private SubscriptionManager mSubscriptionManager;
64
65    /** Preferred way to show this dialog */
66    public static void show(FragmentManager fragmentManager, Class callingActivity,
67            int exportMode) {
68        final ExportDialogFragment fragment = new ExportDialogFragment();
69        Bundle args = new Bundle();
70        args.putString(VCardCommonArguments.ARG_CALLING_ACTIVITY, callingActivity.getName());
71        fragment.setArguments(args);
72        fragment.show(fragmentManager, TAG);
73        mExportMode = exportMode;
74    }
75
76    @Override
77    public Context getContext() {
78        return getActivity();
79    }
80
81    @Override
82    public void onAttach(Activity activity) {
83        super.onAttach(activity);
84    }
85
86    @Override
87    public Dialog onCreateDialog(Bundle savedInstanceState) {
88        // Wrap our context to inflate list items using the correct theme
89        final Resources res = getActivity().getResources();
90        final LayoutInflater dialogInflater = (LayoutInflater)getActivity()
91                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
92        final String callingActivity = getArguments().getString(
93                VCardCommonArguments.ARG_CALLING_ACTIVITY);
94
95        // Adapter that shows a list of string resources
96        final ArrayAdapter<AdapterEntry> adapter = new ArrayAdapter<AdapterEntry>(getActivity(),
97                R.layout.select_dialog_item) {
98            @Override
99            public View getView(int position, View convertView, ViewGroup parent) {
100                final View result = convertView != null ? convertView :
101                        dialogInflater.inflate(R.layout.select_dialog_item, parent, false);
102
103                final TextView text = (TextView) result.findViewById(R.id.primary_text);
104                final View secondaryText = result.findViewById(R.id.secondary_text);
105                secondaryText.setVisibility(View.GONE);
106
107                text.setText(getItem(position).mLabel);
108                return result;
109            }
110        };
111
112        if (res.getBoolean(R.bool.config_allow_export)) {
113                adapter.add(new AdapterEntry(getString(R.string.export_to_vcf_file),
114                        R.string.export_to_vcf_file));
115        }
116        if (res.getBoolean(R.bool.config_allow_share_contacts)) {
117            if (mExportMode == EXPORT_MODE_FAVORITES) {
118                // share favorite and frequently contacted contacts from Favorites tab
119                adapter.add(new AdapterEntry(getString(R.string.share_favorite_contacts),
120                        R.string.share_contacts));
121            } else {
122                // share "all" contacts (in groups selected in "Customize") from All tab for now
123                // TODO: change the string to share_visible_contacts if implemented
124                adapter.add(new AdapterEntry(getString(R.string.share_contacts),
125                        R.string.share_contacts));
126            }
127        }
128
129        final DialogInterface.OnClickListener clickListener =
130                new DialogInterface.OnClickListener() {
131            @Override
132            public void onClick(DialogInterface dialog, int which) {
133                boolean dismissDialog;
134                final int resId = adapter.getItem(which).mChoiceResourceId;
135                if (resId == R.string.export_to_vcf_file) {
136                    dismissDialog = true;
137                    final Intent exportIntent = new Intent(
138                            getActivity(), ExportVCardActivity.class);
139                    exportIntent.putExtra(VCardCommonArguments.ARG_CALLING_ACTIVITY,
140                            callingActivity);
141                    getActivity().startActivity(exportIntent);
142                } else if (resId == R.string.share_contacts) {
143                    dismissDialog = true;
144                    if (mExportMode == EXPORT_MODE_FAVORITES) {
145                        doShareFavoriteContacts();
146                    } else { // EXPORT_MODE_ALL_CONTACTS
147                        final Intent exportIntent = new Intent(
148                                getActivity(), ShareVCardActivity.class);
149                        exportIntent.putExtra(VCardCommonArguments.ARG_CALLING_ACTIVITY,
150                                callingActivity);
151                        getActivity().startActivity(exportIntent);
152                    }
153                } else {
154                    dismissDialog = true;
155                    Log.e(TAG, "Unexpected resource: "
156                            + getActivity().getResources().getResourceEntryName(resId));
157                }
158                if (dismissDialog) {
159                    dialog.dismiss();
160                }
161            }
162        };
163        final TextView title = (TextView) View.inflate(getActivity(), R.layout.dialog_title, null);
164        title.setText(R.string.dialog_export);
165        return new AlertDialog.Builder(getActivity())
166                .setCustomTitle(title)
167                .setSingleChoiceItems(adapter, -1, clickListener)
168                .create();
169    }
170
171    private void doShareFavoriteContacts() {
172        try{
173            final Cursor cursor = getActivity().getContentResolver().query(
174                    Contacts.CONTENT_STREQUENT_URI, LOOKUP_PROJECTION, null, null,
175                    Contacts.DISPLAY_NAME + " COLLATE NOCASE ASC");
176            if (cursor != null) {
177                try {
178                    if (!cursor.moveToFirst()) {
179                        Toast.makeText(getActivity(), R.string.no_contact_to_share,
180                                Toast.LENGTH_SHORT).show();
181                        return;
182                    }
183
184                    // Build multi-vcard Uri for sharing
185                    final StringBuilder uriListBuilder = new StringBuilder();
186                    int index = 0;
187                    do {
188                        if (index != 0)
189                            uriListBuilder.append(':');
190                        uriListBuilder.append(cursor.getString(0));
191                        index++;
192                    } while (cursor.moveToNext());
193                    final Uri uri = Uri.withAppendedPath(
194                            Contacts.CONTENT_MULTI_VCARD_URI,
195                            Uri.encode(uriListBuilder.toString()));
196
197                    final Intent intent = new Intent(Intent.ACTION_SEND);
198                    intent.setType(Contacts.CONTENT_VCARD_TYPE);
199                    intent.putExtra(Intent.EXTRA_STREAM, uri);
200                    ImplicitIntentsUtil.startActivityOutsideApp(getActivity(), intent);
201                } finally {
202                    cursor.close();
203                }
204            }
205        } catch (Exception e) {
206            Log.e(TAG, "Sharing contacts failed", e);
207            getActivity().runOnUiThread(new Runnable() {
208                @Override
209                public void run() {
210                    Toast.makeText(getContext(), R.string.share_contacts_failure,
211                            Toast.LENGTH_SHORT).show();
212                }
213            });
214        }
215    }
216
217    private static class AdapterEntry {
218        public final CharSequence mLabel;
219        public final int mChoiceResourceId;
220        public final int mSubscriptionId;
221
222        public AdapterEntry(CharSequence label, int resId, int subId) {
223            mLabel = label;
224            mChoiceResourceId = resId;
225            mSubscriptionId = subId;
226        }
227
228        public AdapterEntry(String label, int resId) {
229            // Store a nonsense value for mSubscriptionId. If this constructor is used,
230            // the mSubscriptionId value should not be read later.
231            this(label, resId, /* subId = */ -1);
232        }
233    }
234}
235