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Commit 01cb772c authored by Jakub Pawlowski's avatar Jakub Pawlowski Committed by Gerrit Code Review
Browse files

Merge "Cache results of isLocationEnabledForUser calls"

parents 77dfa43f a571342e

android/app/Android.mk

+1 −0
Original line number Original line Diff line number Diff line
@@ -22,6 +22,7 @@ LOCAL_JAVA_LIBRARIES := javax.obex telephony-common services.net 
LOCAL_STATIC_JAVA_LIBRARIES := \

LOCAL_STATIC_JAVA_LIBRARIES := \

        com.android.vcard \

        com.android.vcard \

        bluetooth.mapsapi \

        bluetooth.mapsapi \

        guava \

        sap-api-java-static \

        sap-api-java-static \

        services.net \

        services.net \

        libprotobuf-java-lite \

        libprotobuf-java-lite \

android/app/src/com/android/bluetooth/Utils.java

+26 −1
Original line number Original line Diff line number Diff line
@@ -34,6 +34,10 @@ import android.os.UserHandle; 
import android.os.UserManager;

import android.os.UserManager;

import android.util.Log;

import android.util.Log;





import com.google.common.cache.CacheBuilder;

import com.google.common.cache.CacheLoader;

import com.google.common.cache.LoadingCache;



import java.io.IOException;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStream;

import java.io.OutputStream;

import java.io.OutputStream;
@@ -301,9 +305,30 @@ public final class Utils { 
     * Checks whether location is off and must be on for us to perform some operation

     * Checks whether location is off and must be on for us to perform some operation

     */

     */

    public static boolean blockedByLocationOff(Context context, UserHandle userHandle) {

    public static boolean blockedByLocationOff(Context context, UserHandle userHandle) {

        return !context.getSystemService(LocationManager.class)

        if (mBlockedByLocationOffContext == null)

            mBlockedByLocationOffContext = context;



        try {

            return mBlockedByLocationOffCache.get(userHandle);

        } catch (java.util.concurrent.ExecutionException e) {

            Log.e(TAG, "blockedByLocationOff: " + e);

            return context.getSystemService(LocationManager.class)

                .isLocationEnabledForUser(userHandle);

        }

    }



   static Context mBlockedByLocationOffContext = null;

   // Cache location off for 10 users, cache is valid for 2 seconds.

   static LoadingCache<UserHandle, Boolean> mBlockedByLocationOffCache = CacheBuilder.newBuilder()

       .maximumSize(10)

       .expireAfterWrite(2, TimeUnit.SECONDS)

       .build(

           new CacheLoader<UserHandle, Boolean>() {

             public Boolean load(UserHandle userHandle) {

               return !mBlockedByLocationOffContext.getSystemService(LocationManager.class)

                .isLocationEnabledForUser(userHandle);

                .isLocationEnabledForUser(userHandle);

             }

             }

           });





    /**

    /**

     * Checks that calling process has android.Manifest.permission.ACCESS_COARSE_LOCATION and

     * Checks that calling process has android.Manifest.permission.ACCESS_COARSE_LOCATION and