resolved conflicts for merge of 5f1c2dbc to master

Change-Id: I4d08ad224c8cddd1d379c0f9ec326165a08dd651

core/java/android/app/usage/UsageStatsManagerInternal.java

@@ -53,6 +53,14 @@ public abstract class UsageStatsManagerInternal {
      */
     public abstract void reportConfigurationChange(Configuration config, int userId);
 
+    /**
+     * Reports that a content provider has been accessed by a foreground app.
+     * @param name The authority of the content provider
+     * @param pkgName The package name of the content provider
+     * @param userId The user in which the content provider was accessed.
+     */
+    public abstract void reportContentProviderUsage(String name, String pkgName, int userId);
+
     /**
      * Prepares the UsageStatsService for shutdown.
      */

core/java/android/content/ContentResolver.java

@@ -48,6 +48,7 @@ import android.util.Log;
 
 import dalvik.system.CloseGuard;
 
+import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.Preconditions;
 
 import java.io.File;
@@ -57,6 +58,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Random;
 
@@ -1935,6 +1937,19 @@ public abstract class ContentResolver {
         }
     }
 
+    /**
+     * @hide
+     * Returns the package names of syncadapters that match a given user and authority.
+     */
+    public static String[] getSyncAdapterPackagesForAuthorityAsUser(String authority,
+            int userId) {
+        try {
+            return getContentService().getSyncAdapterPackagesForAuthorityAsUser(authority, userId);
+        } catch (RemoteException e) {
+        }
+        return ArrayUtils.emptyArray(String.class);
+    }
+
     /**
      * Check if the provider should be synced when a network tickle is received
      * <p>This method requires the caller to hold the permission

core/java/android/content/IContentService.aidl

@@ -143,6 +143,8 @@ interface IContentService {
     SyncAdapterType[] getSyncAdapterTypes();
     SyncAdapterType[] getSyncAdapterTypesAsUser(int userId);
 
+    String[] getSyncAdapterPackagesForAuthorityAsUser(String authority, int userId);
+
     /**
      * Returns true if there is currently a operation for the given account/authority or service
      * actively being processed.

core/java/android/content/SyncAdaptersCache.java

@@ -20,12 +20,19 @@ 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.
@@ -39,6 +46,10 @@ public class SyncAdaptersCache extends RegisteredServicesCache<SyncAdapterType>
     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);
     }
@@ -76,6 +87,57 @@ public class SyncAdaptersCache extends RegisteredServicesCache<SyncAdapterType>
         }
     }
 
+    @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);

core/java/android/content/pm/RegisteredServicesCache.java

@@ -84,7 +84,7 @@ public abstract class RegisteredServicesCache<V> {
     private final String mAttributesName;
     private final XmlSerializerAndParser<V> mSerializerAndParser;
 
-    private final Object mServicesLock = new Object();
+    protected final Object mServicesLock = new Object();
 
     @GuardedBy("mServicesLock")
     private final SparseArray<UserServices<V>> mUserServices = new SparseArray<UserServices<V>>(2);
@@ -232,6 +232,7 @@ public abstract class RegisteredServicesCache<V> {
         synchronized (mServicesLock) {
             final UserServices<V> user = findOrCreateUserLocked(userId);
             user.services = null;
+            onServicesChangedLocked(userId);
         }
     }
 
@@ -489,11 +490,16 @@ public abstract class RegisteredServicesCache<V> {
                 }
             }
             if (changed) {
+                onServicesChangedLocked(userId);
                 writePersistentServicesLocked(user, userId);
             }
         }
     }
 
+    protected void onServicesChangedLocked(int userId) {
+        // Feel free to override
+    }
+
     /**
      * Returns true if the list of changed uids is null (wildcard) or the specified uid
      * is contained in the list of changed uids.
@@ -687,7 +693,9 @@ public abstract class RegisteredServicesCache<V> {
 
     @VisibleForTesting
     protected void onUserRemoved(int userId) {
-        mUserServices.remove(userId);
+        synchronized (mServicesLock) {
+            mUserServices.remove(userId);
+        }
     }
 
     @VisibleForTesting