/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.contacts;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.AsyncQueryHandler;
import android.content.ComponentName;
import android.content.ContentUris;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Contacts;
import android.provider.Contacts.ContactMethods;
import android.provider.Contacts.ContactMethodsColumns;
import android.provider.Contacts.Intents;
import android.provider.Contacts.People;
import android.provider.Contacts.Phones;
import android.util.Log;
import java.lang.ref.WeakReference;
/**
* Handle several edge cases around showing or possibly creating contacts in
* connected with a specific E-mail address or phone number. Will search based
* on incoming {@link Intent#getData()} as described by
* {@link Intents#SHOW_OR_CREATE_CONTACT}.
* <ul>
* <li>If no matching contacts found, will prompt user with dialog to add to a
* contact, then will use {@link Intent#ACTION_INSERT_OR_EDIT} to let create new
* contact or edit new data into an existing one.
* <li>If one matching contact found, directly show {@link Intent#ACTION_VIEW}
* that specific contact.
* <li>If more than one matching found, show list of matching contacts using
* {@link Intent#ACTION_SEARCH}.
* </ul>
*/
public final class ShowOrCreateActivity extends Activity {
static final String TAG = "ShowOrCreateActivity";
static final boolean LOGD = false;
static final String[] PHONES_PROJECTION = new String[] {
Phones.PERSON_ID,
};
static final String[] PEOPLE_PROJECTION = new String[] {
People._ID,
};
static final String SCHEME_MAILTO = "mailto";
static final String SCHEME_TEL = "tel";
static final int PERSON_ID_INDEX = 0;
/**
* Query clause to filter {@link ContactMethods#CONTENT_URI} to only search
* {@link Contacts#KIND_EMAIL} or {@link Contacts#KIND_IM}.
*/
static final String QUERY_KIND_EMAIL_OR_IM = ContactMethodsColumns.KIND +
" IN (" + Contacts.KIND_EMAIL + "," + Contacts.KIND_IM + ")";
static final int QUERY_TOKEN = 42;
private QueryHandler mQueryHandler;
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
// Create handler if doesn't exist, otherwise cancel any running
if (mQueryHandler == null) {
mQueryHandler = new QueryHandler(this);
} else {
mQueryHandler.cancelOperation(QUERY_TOKEN);
}
final Intent intent = getIntent();
final Uri data = intent.getData();
// Unpack scheme and target data from intent
String scheme = null;
String ssp = null;
if (data != null) {
scheme = data.getScheme();
ssp = data.getSchemeSpecificPart();
}
// Build set of extras for possible use when creating contact
Bundle createExtras = new Bundle();
Bundle originalExtras = intent.getExtras();
if (originalExtras != null) {
createExtras.putAll(originalExtras);
}
mQueryHandler.setCreateExtras(createExtras);
// Read possible extra with specific title
String createDescrip = intent.getStringExtra(Intents.EXTRA_CREATE_DESCRIPTION);
if (createDescrip == null) {
createDescrip = ssp;
}
mQueryHandler.setCreateDescription(createDescrip);
// Allow caller to bypass dialog prompt
boolean createForce = intent.getBooleanExtra(Intents.EXTRA_FORCE_CREATE, false);
mQueryHandler.setCreateForce(createForce);
// Handle specific query request
if (SCHEME_MAILTO.equals(scheme)) {
createExtras.putString(Intents.Insert.EMAIL, ssp);
Uri uri = Uri.withAppendedPath(People.WITH_EMAIL_OR_IM_FILTER_URI, Uri.encode(ssp));
mQueryHandler.startQuery(QUERY_TOKEN, null, uri,
PEOPLE_PROJECTION, null, null, null);
} else if (SCHEME_TEL.equals(scheme)) {
createExtras.putString(Intents.Insert.PHONE, ssp);
mQueryHandler.startQuery(QUERY_TOKEN, null,
Uri.withAppendedPath(Phones.CONTENT_FILTER_URL, ssp),
PHONES_PROJECTION, null, null, null);
} else {
Log.w(TAG, "Invalid intent:" + getIntent());
finish();
}
}
@Override
protected void onStop() {
super.onStop();
if (mQueryHandler != null) {
mQueryHandler.cancelOperation(QUERY_TOKEN);
}
}
/**
* Listener for {@link DialogInterface} that launches a given {@link Intent}
* when clicked. When clicked, this also closes the parent using
* {@link Activity#finish()}.
*/
private static class IntentClickListener implements DialogInterface.OnClickListener {
private Activity mParent;
private Intent mIntent;
/**
* @param parent {@link Activity} to use for launching target.
* @param intent Target {@link Intent} to launch when clicked.
*/
public IntentClickListener(Activity parent, Intent intent) {
mParent = parent;
mIntent = intent;
}
public void onClick(DialogInterface dialog, int which) {
if (mIntent != null) {
mParent.startActivity(mIntent);
}
mParent.finish();
}
}
/**
* Handle asynchronous query to find matching contacts. When query finishes,
* will handle based on number of matching contacts found.
*/
private static final class QueryHandler extends AsyncQueryHandler {
private final WeakReference<Activity> mActivity;
private Bundle mCreateExtras;
private String mCreateDescrip;
private boolean mCreateForce;
public QueryHandler(Activity activity) {
super(activity.getContentResolver());
mActivity = new WeakReference<Activity>(activity);
}
public void setCreateExtras(Bundle createExtras) {
mCreateExtras = createExtras;
}
public void setCreateDescription(String createDescrip) {
mCreateDescrip = createDescrip;
}
public void setCreateForce(boolean createForce) {
mCreateForce = createForce;
}
@Override
protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
Activity activity = mActivity.get();
if (activity == null) {
return;
}
// Count contacts found by query
int count = 0;
long personId = -1;
if (cursor != null) {
try {
count = cursor.getCount();
if (count == 1 && cursor.moveToFirst()) {
// Try reading ID if only one contact returned
personId = cursor.getLong(PERSON_ID_INDEX);
}
} finally {
cursor.close();
}
}
if (LOGD) Log.d(TAG, "onQueryComplete count=" + count);
if (count == 1) {
// If we only found one item, jump right to viewing it
Intent viewIntent = new Intent(Intent.ACTION_VIEW,
ContentUris.withAppendedId(People.CONTENT_URI, personId));
activity.startActivity(viewIntent);
activity.finish();
} else if (count > 1) {
// If more than one, show pick list
Intent listIntent = new Intent(Intent.ACTION_SEARCH);
listIntent.setComponent(new ComponentName(activity, ContactsListActivity.class));
listIntent.putExtras(mCreateExtras);
activity.startActivity(listIntent);
activity.finish();
} else {
// No matching contacts found
if (mCreateForce) {
// Forced to create new contact
Intent createIntent = new Intent(Intent.ACTION_INSERT, People.CONTENT_URI);
createIntent.putExtras(mCreateExtras);
createIntent.setType(People.CONTENT_TYPE);
activity.startActivity(createIntent);
activity.finish();
} else {
// Prompt user to insert or edit contact
Intent createIntent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
createIntent.putExtras(mCreateExtras);
createIntent.setType(People.CONTENT_ITEM_TYPE);
CharSequence message = activity.getResources().getString(
R.string.add_contact_dlg_message_fmt, mCreateDescrip);
new AlertDialog.Builder(activity)
.setTitle(R.string.add_contact_dlg_title)
.setMessage(message)
.setPositiveButton(android.R.string.ok,
new IntentClickListener(activity, createIntent))
.setNegativeButton(android.R.string.cancel,
new IntentClickListener(activity, null))
.show();
}
}
}
}
}
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