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/*
* Copyright (C) 2011 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.dialer.calllog;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.database.Cursor;
import android.net.Uri;
import android.provider.CallLog.Calls;
import android.provider.ContactsContract.PhoneLookup;
import android.telecom.PhoneAccountHandle;
import android.text.TextUtils;
import android.util.Log;
import com.android.common.io.MoreCloseables;
import com.android.dialer.CallDetailActivity;
import com.android.dialer.R;
import com.android.dialer.calllog.PhoneAccountUtils;
import com.google.common.collect.Maps;
import java.util.Map;
/**
* Implementation of {@link VoicemailNotifier} that shows a notification in the
* status bar.
*/
public class DefaultVoicemailNotifier implements VoicemailNotifier {
public static final String TAG = "DefaultVoicemailNotifier";
/** The tag used to identify notifications from this class. */
private static final String NOTIFICATION_TAG = "DefaultVoicemailNotifier";
/** The identifier of the notification of new voicemails. */
private static final int NOTIFICATION_ID = 1;
/** The singleton instance of {@link DefaultVoicemailNotifier}. */
private static DefaultVoicemailNotifier sInstance;
private final Context mContext;
private final NotificationManager mNotificationManager;
private final NewCallsQuery mNewCallsQuery;
private final NameLookupQuery mNameLookupQuery;
private final PhoneNumberDisplayHelper mPhoneNumberHelper;
/** Returns the singleton instance of the {@link DefaultVoicemailNotifier}. */
public static synchronized DefaultVoicemailNotifier getInstance(Context context) {
if (sInstance == null) {
NotificationManager notificationManager =
(NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
ContentResolver contentResolver = context.getContentResolver();
sInstance = new DefaultVoicemailNotifier(context, notificationManager,
createNewCallsQuery(contentResolver),
createNameLookupQuery(contentResolver),
createPhoneNumberHelper(context));
}
return sInstance;
}
private DefaultVoicemailNotifier(Context context,
NotificationManager notificationManager, NewCallsQuery newCallsQuery,
NameLookupQuery nameLookupQuery, PhoneNumberDisplayHelper phoneNumberHelper) {
mContext = context;
mNotificationManager = notificationManager;
mNewCallsQuery = newCallsQuery;
mNameLookupQuery = nameLookupQuery;
mPhoneNumberHelper = phoneNumberHelper;
}
/** Updates the notification and notifies of the call with the given URI. */
@Override
public void updateNotification(Uri newCallUri) {
// Lookup the list of new voicemails to include in the notification.
// TODO: Move this into a service, to avoid holding the receiver up.
final NewCall[] newCalls = mNewCallsQuery.query();
if (newCalls == null) {
// Query failed, just return.
return;
}
if (newCalls.length == 0) {
// No voicemails to notify about: clear the notification.
clearNotification();
return;
}
Resources resources = mContext.getResources();
// This represents a list of names to include in the notification.
String callers = null;
// Maps each number into a name: if a number is in the map, it has already left a more
// recent voicemail.
final Map<String, String> names = Maps.newHashMap();
// Determine the call corresponding to the new voicemail we have to notify about.
NewCall callToNotify = null;
// Iterate over the new voicemails to determine all the information above.
for (NewCall newCall : newCalls) {
// Check if we already know the name associated with this number.
String name = names.get(newCall.number);
if (name == null) {
PhoneAccountHandle accountHandle = PhoneAccountUtils.getAccount(
newCall.accountComponentName,
newCall.accountId);
name = mPhoneNumberHelper.getDisplayName(accountHandle, newCall.number,
newCall.numberPresentation).toString();
// If we cannot lookup the contact, use the number instead.
if (TextUtils.isEmpty(name)) {
// Look it up in the database.
name = mNameLookupQuery.query(newCall.number);
if (TextUtils.isEmpty(name)) {
name = newCall.number;
}
}
names.put(newCall.number, name);
// This is a new caller. Add it to the back of the list of callers.
if (TextUtils.isEmpty(callers)) {
callers = name;
} else {
callers = resources.getString(
R.string.notification_voicemail_callers_list, callers, name);
}
}
// Check if this is the new call we need to notify about.
if (newCallUri != null &&
ContentUris.parseId(newCallUri) == ContentUris.parseId(newCall.voicemailUri)) {
callToNotify = newCall;
}
}
if (newCallUri != null && callToNotify == null) {
Log.e(TAG, "The new call could not be found in the call log: " + newCallUri);
}
// Determine the title of the notification and the icon for it.
final String title = resources.getQuantityString(
R.plurals.notification_voicemail_title, newCalls.length, newCalls.length);
// TODO: Use the photo of contact if all calls are from the same person.
final int icon = android.R.drawable.stat_notify_voicemail;
Notification.Builder notificationBuilder = new Notification.Builder(mContext)
.setSmallIcon(icon)
.setContentTitle(title)
.setContentText(callers)
.setColor(resources.getColor(R.color.dialer_theme_color))
.setDefaults(callToNotify != null ? Notification.DEFAULT_ALL : 0)
.setDeleteIntent(createMarkNewVoicemailsAsOldIntent())
.setAutoCancel(true);
// Determine the intent to fire when the notification is clicked on.
final Intent contentIntent;
if (newCalls.length == 1) {
// Open the voicemail directly.
contentIntent = new Intent(mContext, CallDetailActivity.class);
contentIntent.setData(newCalls[0].callsUri);
contentIntent.putExtra(CallDetailActivity.EXTRA_VOICEMAIL_URI,
newCalls[0].voicemailUri);
Intent playIntent = new Intent(mContext, CallDetailActivity.class);
playIntent.setData(newCalls[0].callsUri);
playIntent.putExtra(CallDetailActivity.EXTRA_VOICEMAIL_URI,
newCalls[0].voicemailUri);
playIntent.putExtra(CallDetailActivity.EXTRA_VOICEMAIL_START_PLAYBACK, true);
playIntent.putExtra(CallDetailActivity.EXTRA_FROM_NOTIFICATION, true);
notificationBuilder.addAction(R.drawable.ic_play_holo_dark,
resources.getString(R.string.notification_action_voicemail_play),
PendingIntent.getActivity(mContext, 0, playIntent, 0));
} else {
// Open the call log.
contentIntent = new Intent(Intent.ACTION_VIEW, Calls.CONTENT_URI);
contentIntent.putExtra(Calls.EXTRA_CALL_TYPE_FILTER, Calls.VOICEMAIL_TYPE);
}
notificationBuilder.setContentIntent(
PendingIntent.getActivity(mContext, 0, contentIntent, 0));
// The text to show in the ticker, describing the new event.
if (callToNotify != null) {
notificationBuilder.setTicker(resources.getString(
R.string.notification_new_voicemail_ticker, names.get(callToNotify.number)));
}
mNotificationManager.notify(NOTIFICATION_TAG, NOTIFICATION_ID, notificationBuilder.build());
}
/** Creates a pending intent that marks all new voicemails as old. */
private PendingIntent createMarkNewVoicemailsAsOldIntent() {
Intent intent = new Intent(mContext, CallLogNotificationsService.class);
intent.setAction(CallLogNotificationsService.ACTION_MARK_NEW_VOICEMAILS_AS_OLD);
return PendingIntent.getService(mContext, 0, intent, 0);
}
@Override
public void clearNotification() {
mNotificationManager.cancel(NOTIFICATION_TAG, NOTIFICATION_ID);
}
/** Information about a new voicemail. */
private static final class NewCall {
public final Uri callsUri;
public final Uri voicemailUri;
public final String number;
public final int numberPresentation;
public final String accountComponentName;
public final String accountId;
public NewCall(Uri callsUri, Uri voicemailUri, String number,
int numberPresentation, String accountComponentName, String accountId) {
this.callsUri = callsUri;
this.voicemailUri = voicemailUri;
this.number = number;
this.numberPresentation = numberPresentation;
this.accountComponentName = accountComponentName;
this.accountId = accountId;
}
}
/** Allows determining the new calls for which a notification should be generated. */
public interface NewCallsQuery {
/**
* Returns the new calls for which a notification should be generated.
*/
public NewCall[] query();
}
/** Create a new instance of {@link NewCallsQuery}. */
public static NewCallsQuery createNewCallsQuery(ContentResolver contentResolver) {
return new DefaultNewCallsQuery(contentResolver);
}
/**
* Default implementation of {@link NewCallsQuery} that looks up the list of new calls to
* notify about in the call log.
*/
private static final class DefaultNewCallsQuery implements NewCallsQuery {
private static final String[] PROJECTION = {
Calls._ID, Calls.NUMBER, Calls.VOICEMAIL_URI, Calls.NUMBER_PRESENTATION,
Calls.PHONE_ACCOUNT_COMPONENT_NAME, Calls.PHONE_ACCOUNT_ID
};
private static final int ID_COLUMN_INDEX = 0;
private static final int NUMBER_COLUMN_INDEX = 1;
private static final int VOICEMAIL_URI_COLUMN_INDEX = 2;
private static final int NUMBER_PRESENTATION_COLUMN_INDEX = 3;
private static final int PHONE_ACCOUNT_COMPONENT_NAME_COLUMN_INDEX = 4;
private static final int PHONE_ACCOUNT_ID_COLUMN_INDEX = 5;
private final ContentResolver mContentResolver;
private DefaultNewCallsQuery(ContentResolver contentResolver) {
mContentResolver = contentResolver;
}
@Override
public NewCall[] query() {
final String selection = String.format("%s = 1 AND %s = ?", Calls.NEW, Calls.TYPE);
final String[] selectionArgs = new String[]{ Integer.toString(Calls.VOICEMAIL_TYPE) };
Cursor cursor = null;
try {
cursor = mContentResolver.query(Calls.CONTENT_URI_WITH_VOICEMAIL, PROJECTION,
selection, selectionArgs, Calls.DEFAULT_SORT_ORDER);
if (cursor == null) {
return null;
}
NewCall[] newCalls = new NewCall[cursor.getCount()];
while (cursor.moveToNext()) {
newCalls[cursor.getPosition()] = createNewCallsFromCursor(cursor);
}
return newCalls;
} finally {
MoreCloseables.closeQuietly(cursor);
}
}
/** Returns an instance of {@link NewCall} created by using the values of the cursor. */
private NewCall createNewCallsFromCursor(Cursor cursor) {
String voicemailUriString = cursor.getString(VOICEMAIL_URI_COLUMN_INDEX);
Uri callsUri = ContentUris.withAppendedId(
Calls.CONTENT_URI_WITH_VOICEMAIL, cursor.getLong(ID_COLUMN_INDEX));
Uri voicemailUri = voicemailUriString == null ? null : Uri.parse(voicemailUriString);
return new NewCall(callsUri, voicemailUri, cursor.getString(NUMBER_COLUMN_INDEX),
cursor.getInt(NUMBER_PRESENTATION_COLUMN_INDEX),
cursor.getString(PHONE_ACCOUNT_COMPONENT_NAME_COLUMN_INDEX),
cursor.getString(PHONE_ACCOUNT_ID_COLUMN_INDEX));
}
}
/** Allows determining the name associated with a given phone number. */
public interface NameLookupQuery {
/**
* Returns the name associated with the given number in the contacts database, or null if
* the number does not correspond to any of the contacts.
* <p>
* If there are multiple contacts with the same phone number, it will return the name of one
* of the matching contacts.
*/
public String query(String number);
}
/** Create a new instance of {@link NameLookupQuery}. */
public static NameLookupQuery createNameLookupQuery(ContentResolver contentResolver) {
return new DefaultNameLookupQuery(contentResolver);
}
/**
* Default implementation of {@link NameLookupQuery} that looks up the name of a contact in the
* contacts database.
*/
private static final class DefaultNameLookupQuery implements NameLookupQuery {
private static final String[] PROJECTION = { PhoneLookup.DISPLAY_NAME };
private static final int DISPLAY_NAME_COLUMN_INDEX = 0;
private final ContentResolver mContentResolver;
private DefaultNameLookupQuery(ContentResolver contentResolver) {
mContentResolver = contentResolver;
}
@Override
public String query(String number) {
Cursor cursor = null;
try {
cursor = mContentResolver.query(
Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(number)),
PROJECTION, null, null, null);
if (cursor == null || !cursor.moveToFirst()) return null;
return cursor.getString(DISPLAY_NAME_COLUMN_INDEX);
} finally {
if (cursor != null) {
cursor.close();
}
}
}
}
/**
* Create a new PhoneNumberHelper.
* <p>
* This will cause some Disk I/O, at least the first time it is created, so it should not be
* called from the main thread.
*/
public static PhoneNumberDisplayHelper createPhoneNumberHelper(Context context) {
return new PhoneNumberDisplayHelper(context, context.getResources());
}
}
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