| /* |
| * 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.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 (authority == null || accountType == null) { |
| 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); |
| } 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); |
| } |
| } |
| } |