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/*
* 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 android.content;
import android.content.pm.RegisteredServicesCache;
import android.content.pm.XmlSerializerAndParser;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.text.TextUtils;
import android.util.ArrayMap;
import android.util.AttributeSet;
import android.util.SparseArray;
import com.android.internal.annotations.GuardedBy;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlSerializer;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
/**
* A cache of services that export the {@link android.content.ISyncAdapter} interface.
* @hide
*/
public class SyncAdaptersCache extends RegisteredServicesCache<SyncAdapterType> {
private static final String TAG = "Account";
private static final String SERVICE_INTERFACE = "android.content.SyncAdapter";
private static final String SERVICE_META_DATA = "android.content.SyncAdapter";
private static final String ATTRIBUTES_NAME = "sync-adapter";
private static final MySerializer sSerializer = new MySerializer();
@GuardedBy("mServicesLock")
private SparseArray<ArrayMap<String,String[]>> mAuthorityToSyncAdapters
= new SparseArray<>();
public SyncAdaptersCache(Context context) {
super(context, SERVICE_INTERFACE, SERVICE_META_DATA, ATTRIBUTES_NAME, sSerializer);
}
public SyncAdapterType parseServiceAttributes(Resources res,
String packageName, AttributeSet attrs) {
TypedArray sa = res.obtainAttributes(attrs,
com.android.internal.R.styleable.SyncAdapter);
try {
final String authority =
sa.getString(com.android.internal.R.styleable.SyncAdapter_contentAuthority);
final String accountType =
sa.getString(com.android.internal.R.styleable.SyncAdapter_accountType);
if (TextUtils.isEmpty(authority) || TextUtils.isEmpty(accountType)) {
return null;
}
final boolean userVisible =
sa.getBoolean(com.android.internal.R.styleable.SyncAdapter_userVisible, true);
final boolean supportsUploading =
sa.getBoolean(com.android.internal.R.styleable.SyncAdapter_supportsUploading,
true);
final boolean isAlwaysSyncable =
sa.getBoolean(com.android.internal.R.styleable.SyncAdapter_isAlwaysSyncable,
false);
final boolean allowParallelSyncs =
sa.getBoolean(com.android.internal.R.styleable.SyncAdapter_allowParallelSyncs,
false);
final String settingsActivity =
sa.getString(com.android.internal.R.styleable
.SyncAdapter_settingsActivity);
return new SyncAdapterType(authority, accountType, userVisible, supportsUploading,
isAlwaysSyncable, allowParallelSyncs, settingsActivity, packageName);
} finally {
sa.recycle();
}
}
@Override
protected void onServicesChangedLocked(int userId) {
synchronized (mServicesLock) {
ArrayMap<String,String[]> adapterMap = mAuthorityToSyncAdapters.get(userId);
if (adapterMap != null) {
adapterMap.clear();
}
}
super.onServicesChangedLocked(userId);
}
public String[] getSyncAdapterPackagesForAuthority(String authority, int userId) {
synchronized (mServicesLock) {
ArrayMap<String,String[]> adapterMap = mAuthorityToSyncAdapters.get(userId);
if (adapterMap == null) {
adapterMap = new ArrayMap<>();
mAuthorityToSyncAdapters.put(userId, adapterMap);
}
// If the mapping exists, return it
if (adapterMap.containsKey(authority)) {
return adapterMap.get(authority);
}
// Create the mapping and cache it
String[] syncAdapterPackages;
final Collection<RegisteredServicesCache.ServiceInfo<SyncAdapterType>> serviceInfos;
serviceInfos = getAllServices(userId);
ArrayList<String> packages = new ArrayList<>();
for (RegisteredServicesCache.ServiceInfo<SyncAdapterType> serviceInfo : serviceInfos) {
if (authority.equals(serviceInfo.type.authority)
&& serviceInfo.componentName != null) {
packages.add(serviceInfo.componentName.getPackageName());
}
}
syncAdapterPackages = new String[packages.size()];
packages.toArray(syncAdapterPackages);
adapterMap.put(authority, syncAdapterPackages);
return syncAdapterPackages;
}
}
@Override
protected void onUserRemoved(int userId) {
synchronized (mServicesLock) {
mAuthorityToSyncAdapters.remove(userId);
}
super.onUserRemoved(userId);
}
static class MySerializer implements XmlSerializerAndParser<SyncAdapterType> {
public void writeAsXml(SyncAdapterType item, XmlSerializer out) throws IOException {
out.attribute(null, "authority", item.authority);
out.attribute(null, "accountType", item.accountType);
}
public SyncAdapterType createFromXml(XmlPullParser parser)
throws IOException, XmlPullParserException {
final String authority = parser.getAttributeValue(null, "authority");
final String accountType = parser.getAttributeValue(null, "accountType");
return SyncAdapterType.newKey(authority, accountType);
}
}
}
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