Merge "Add Conversion from CellIdentity to CellLocation"

telephony/java/android/telephony/CellIdentity.java

@@ -129,6 +129,12 @@ public abstract class CellIdentity implements Parcelable {
         return mAlphaShort;
     }
 
+    /**
+     * @return a CellLocation object for this CellIdentity
+     * @hide
+     */
+    public abstract CellLocation asCellLocation();
+
     @Override
     public boolean equals(Object other) {
         if (!(other instanceof CellIdentity)) {

telephony/java/android/telephony/CellIdentityCdma.java

@@ -19,7 +19,7 @@ package android.telephony;
 import android.annotation.Nullable;
 import android.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
-import android.text.TextUtils;
+import android.telephony.cdma.CdmaCellLocation;
 
 import java.util.Objects;
 
@@ -178,6 +178,18 @@ public final class CellIdentityCdma extends CellIdentity {
                 super.hashCode());
     }
 
+    /** @hide */
+    @Override
+    public CdmaCellLocation asCellLocation() {
+        CdmaCellLocation cl = new CdmaCellLocation();
+        int bsid = mBasestationId != Integer.MAX_VALUE ? mBasestationId : -1;
+        int sid = mSystemId != Integer.MAX_VALUE ? mSystemId : -1;
+        int nid = mNetworkId != Integer.MAX_VALUE ? mNetworkId : -1;
+        // lat and long already use Integer.MAX_VALUE for invalid/unknown
+        cl.setCellLocationData(bsid, mLatitude, mLongitude, sid, nid);
+        return cl;
+    }
+
     @Override
     public boolean equals(Object other) {
         if (this == other) {

telephony/java/android/telephony/CellIdentityGsm.java

@@ -19,6 +19,7 @@ package android.telephony;
 import android.annotation.Nullable;
 import android.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
+import android.telephony.gsm.GsmCellLocation;
 import android.text.TextUtils;
 
 import java.util.Objects;
@@ -198,6 +199,17 @@ public final class CellIdentityGsm extends CellIdentity {
         return Integer.MAX_VALUE;
     }
 
+    /** @hide */
+    @Override
+    public GsmCellLocation asCellLocation() {
+        GsmCellLocation cl = new GsmCellLocation();
+        int lac = mLac != Integer.MAX_VALUE ? mLac : -1;
+        int cid = mCid != Integer.MAX_VALUE ? mCid : -1;
+        cl.setLacAndCid(lac, cid);
+        cl.setPsc(-1);
+        return cl;
+    }
+
     @Override
     public int hashCode() {
         return Objects.hash(mLac, mCid, super.hashCode());

telephony/java/android/telephony/CellIdentityLte.java

@@ -19,6 +19,7 @@ package android.telephony;
 import android.annotation.Nullable;
 import android.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
+import android.telephony.gsm.GsmCellLocation;
 import android.text.TextUtils;
 
 import java.util.Objects;
@@ -200,6 +201,28 @@ public final class CellIdentityLte extends CellIdentity {
         return mEarfcn;
     }
 
+    /**
+     * A hack to allow tunneling of LTE information via GsmCellLocation
+     * so that older Network Location Providers can return some information
+     * on LTE only networks, see bug 9228974.
+     *
+     * The tunnel'd LTE information is returned as follows:
+     *   LAC = TAC field
+     *   CID = CI field
+     *   PSC = 0.
+     *
+     * @hide
+     */
+    @Override
+    public GsmCellLocation asCellLocation() {
+        GsmCellLocation cl = new GsmCellLocation();
+        int tac = mTac != Integer.MAX_VALUE ? mTac : -1;
+        int cid = mCi != Integer.MAX_VALUE ? mCi : -1;
+        cl.setLacAndCid(tac, cid);
+        cl.setPsc(0);
+        return cl;
+    }
+
     @Override
     public int hashCode() {
         return Objects.hash(mCi, mPci, mTac, super.hashCode());

telephony/java/android/telephony/CellIdentityTdscdma.java

@@ -17,6 +17,7 @@
 package android.telephony;
 
 import android.os.Parcel;
+import android.telephony.gsm.GsmCellLocation;
 
 import java.util.Objects;
 
@@ -134,6 +135,17 @@ public final class CellIdentityTdscdma extends CellIdentity {
         return mUarfcn;
     }
 
+    /** @hide */
+    @Override
+    public GsmCellLocation asCellLocation() {
+        GsmCellLocation cl = new GsmCellLocation();
+        int lac = mLac != Integer.MAX_VALUE ? mLac : -1;
+        int cid = mCid != Integer.MAX_VALUE ? mCid : -1;
+        cl.setLacAndCid(lac, cid);
+        cl.setPsc(-1); // There is no PSC for TD-SCDMA; not using this for CPI to stem shenanigans
+        return cl;
+    }
+
     @Override
     public boolean equals(Object other) {
         if (this == other) {

telephony/java/android/telephony/CellIdentityWcdma.java

@@ -19,6 +19,7 @@ package android.telephony;
 import android.annotation.Nullable;
 import android.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
+import android.telephony.gsm.GsmCellLocation;
 import android.text.TextUtils;
 
 import java.util.Objects;
@@ -191,6 +192,19 @@ public final class CellIdentityWcdma extends CellIdentity {
         return mUarfcn;
     }
 
+    /** @hide */
+    @Override
+    public GsmCellLocation asCellLocation() {
+        GsmCellLocation cl = new GsmCellLocation();
+        int lac = mLac != Integer.MAX_VALUE ? mLac : -1;
+        int cid = mCid != Integer.MAX_VALUE ? mCid : -1;
+        int psc = mPsc != Integer.MAX_VALUE ? mPsc : -1;
+        cl.setLacAndCid(lac, cid);
+        cl.setPsc(psc);
+
+        return cl;
+    }
+
     @Override
     public boolean equals(Object other) {
         if (this == other) {