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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.content.AsyncQueryHandler;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabaseCorruptException;
import android.database.sqlite.SQLiteDiskIOException;
import android.database.sqlite.SQLiteException;
import android.database.sqlite.SQLiteFullException;
import android.net.Uri;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.provider.CallLog.Calls;
import android.provider.VoicemailContract.Status;
import android.provider.VoicemailContract.Voicemails;
import android.util.Log;
import com.android.contacts.common.database.NoNullCursorAsyncQueryHandler;
import com.android.dialer.util.TelecomUtil;
import com.android.dialer.voicemail.VoicemailStatusHelperImpl;
import com.google.common.collect.Lists;
import java.lang.ref.WeakReference;
import java.util.List;
/** Handles asynchronous queries to the call log. */
public class CallLogQueryHandler extends NoNullCursorAsyncQueryHandler {
private static final String[] EMPTY_STRING_ARRAY = new String[0];
private static final String TAG = "CallLogQueryHandler";
private static final int NUM_LOGS_TO_DISPLAY = 1000;
/** The token for the query to fetch the old entries from the call log. */
private static final int QUERY_CALLLOG_TOKEN = 54;
/** The token for the query to mark all missed calls as old after seeing the call log. */
private static final int UPDATE_MARK_AS_OLD_TOKEN = 55;
/** The token for the query to mark all missed calls as read after seeing the call log. */
private static final int UPDATE_MARK_MISSED_CALL_AS_READ_TOKEN = 56;
/** The token for the query to fetch voicemail status messages. */
private static final int QUERY_VOICEMAIL_STATUS_TOKEN = 57;
private final int mLogLimit;
/**
* Call type similar to Calls.INCOMING_TYPE used to specify all types instead of one particular
* type.
*/
public static final int CALL_TYPE_ALL = -1;
private final WeakReference<Listener> mListener;
private final Context mContext;
/**
* Simple handler that wraps background calls to catch
* {@link SQLiteException}, such as when the disk is full.
*/
protected class CatchingWorkerHandler extends AsyncQueryHandler.WorkerHandler {
public CatchingWorkerHandler(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
try {
// Perform same query while catching any exceptions
super.handleMessage(msg);
} catch (SQLiteDiskIOException e) {
Log.w(TAG, "Exception on background worker thread", e);
} catch (SQLiteFullException e) {
Log.w(TAG, "Exception on background worker thread", e);
} catch (SQLiteDatabaseCorruptException e) {
Log.w(TAG, "Exception on background worker thread", e);
} catch (IllegalArgumentException e) {
Log.w(TAG, "ContactsProvider not present on device", e);
}
}
}
@Override
protected Handler createHandler(Looper looper) {
// Provide our special handler that catches exceptions
return new CatchingWorkerHandler(looper);
}
public CallLogQueryHandler(Context context, ContentResolver contentResolver,
Listener listener) {
this(context, contentResolver, listener, -1);
}
public CallLogQueryHandler(Context context, ContentResolver contentResolver, Listener listener,
int limit) {
super(contentResolver);
mContext = context.getApplicationContext();
mListener = new WeakReference<Listener>(listener);
mLogLimit = limit;
}
/**
* Fetches the list of calls from the call log for a given type.
* This call ignores the new or old state.
* <p>
* It will asynchronously update the content of the list view when the fetch completes.
*/
public void fetchCalls(int callType, long newerThan) {
cancelFetch();
fetchCalls(QUERY_CALLLOG_TOKEN, callType, false /* newOnly */, newerThan);
}
public void fetchCalls(int callType) {
fetchCalls(callType, 0);
}
public void fetchVoicemailStatus() {
if (TelecomUtil.hasReadWriteVoicemailPermissions(mContext)) {
startQuery(QUERY_VOICEMAIL_STATUS_TOKEN, null, Status.CONTENT_URI,
VoicemailStatusHelperImpl.PROJECTION, null, null, null);
}
}
/** Fetches the list of calls in the call log. */
private void fetchCalls(int token, int callType, boolean newOnly, long newerThan) {
// We need to check for NULL explicitly otherwise entries with where READ is NULL
// may not match either the query or its negation.
// We consider the calls that are not yet consumed (i.e. IS_READ = 0) as "new".
StringBuilder where = new StringBuilder();
List<String> selectionArgs = Lists.newArrayList();
// Ignore voicemails marked as deleted
where.append(Voicemails.DELETED);
where.append(" = 0");
if (newOnly) {
where.append(" AND ");
where.append(Calls.NEW);
where.append(" = 1");
}
if (callType > CALL_TYPE_ALL) {
where.append(" AND ");
// Add a clause to fetch only items of type voicemail.
where.append(String.format("(%s = ?)", Calls.TYPE));
// Add a clause to fetch only items newer than the requested date
selectionArgs.add(Integer.toString(callType));
}
if (newerThan > 0) {
where.append(" AND ");
where.append(String.format("(%s > ?)", Calls.DATE));
selectionArgs.add(Long.toString(newerThan));
}
final int limit = (mLogLimit == -1) ? NUM_LOGS_TO_DISPLAY : mLogLimit;
final String selection = where.length() > 0 ? where.toString() : null;
Uri uri = TelecomUtil.getCallLogUri(mContext).buildUpon()
.appendQueryParameter(Calls.LIMIT_PARAM_KEY, Integer.toString(limit))
.build();
startQuery(token, null, uri,
CallLogQuery._PROJECTION, selection, selectionArgs.toArray(EMPTY_STRING_ARRAY),
Calls.DEFAULT_SORT_ORDER);
}
/** Cancel any pending fetch request. */
private void cancelFetch() {
cancelOperation(QUERY_CALLLOG_TOKEN);
}
/** Updates all new calls to mark them as old. */
public void markNewCallsAsOld() {
// Mark all "new" calls as not new anymore.
StringBuilder where = new StringBuilder();
where.append(Calls.NEW);
where.append(" = 1");
ContentValues values = new ContentValues(1);
values.put(Calls.NEW, "0");
startUpdate(UPDATE_MARK_AS_OLD_TOKEN, null, TelecomUtil.getCallLogUri(mContext),
values, where.toString(), null);
}
/** Updates all missed calls to mark them as read. */
public void markMissedCallsAsRead() {
// Mark all "new" calls as not new anymore.
StringBuilder where = new StringBuilder();
where.append(Calls.IS_READ).append(" = 0");
where.append(" AND ");
where.append(Calls.TYPE).append(" = ").append(Calls.MISSED_TYPE);
ContentValues values = new ContentValues(1);
values.put(Calls.IS_READ, "1");
startUpdate(UPDATE_MARK_MISSED_CALL_AS_READ_TOKEN, null, Calls.CONTENT_URI, values,
where.toString(), null);
}
@Override
protected synchronized void onNotNullableQueryComplete(int token, Object cookie,
Cursor cursor) {
if (cursor == null) {
return;
}
try {
if (token == QUERY_CALLLOG_TOKEN) {
if (updateAdapterData(cursor)) {
cursor = null;
}
} else if (token == QUERY_VOICEMAIL_STATUS_TOKEN) {
updateVoicemailStatus(cursor);
} else {
Log.w(TAG, "Unknown query completed: ignoring: " + token);
}
} finally {
if (cursor != null) {
cursor.close();
}
}
}
/**
* Updates the adapter in the call log fragment to show the new cursor data.
* Returns true if the listener took ownership of the cursor.
*/
private boolean updateAdapterData(Cursor cursor) {
final Listener listener = mListener.get();
if (listener != null) {
return listener.onCallsFetched(cursor);
}
return false;
}
private void updateVoicemailStatus(Cursor statusCursor) {
final Listener listener = mListener.get();
if (listener != null) {
listener.onVoicemailStatusFetched(statusCursor);
}
}
/** Listener to completion of various queries. */
public interface Listener {
/** Called when {@link CallLogQueryHandler#fetchVoicemailStatus()} completes. */
void onVoicemailStatusFetched(Cursor statusCursor);
/**
* Called when {@link CallLogQueryHandler#fetchCalls(int)} complete.
* Returns true if takes ownership of cursor.
*/
boolean onCallsFetched(Cursor combinedCursor);
}
}
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