Fingerprint: Plumb enumerate support.

Change-Id: I5794f80404faf68d04f7b3f3b7346b9e28c99881
Signed-off-by: Sasha Levitskiy <sanek@google.com>
diff --git a/fingerprintd/FingerprintDaemonProxy.cpp b/fingerprintd/FingerprintDaemonProxy.cpp
index beb95de..1c7da30 100644
--- a/fingerprintd/FingerprintDaemonProxy.cpp
+++ b/fingerprintd/FingerprintDaemonProxy.cpp
@@ -88,6 +88,16 @@
                     msg->data.removed.finger.fid,
                     msg->data.removed.finger.gid);
             break;
+        case FINGERPRINT_TEMPLATE_ENUMERATING:
+            ALOGD("onEnumerate(fid=%d, gid=%d, rem=%d)",
+                    msg->data.enumerated.finger.fid,
+                    msg->data.enumerated.finger.gid,
+                    msg->data.enumerated.remaining_templates);
+            callback->onEnumerate(device,
+                    msg->data.enumerated.finger.fid,
+                    msg->data.enumerated.finger.gid,
+                    msg->data.enumerated.remaining_templates);
+            break;
         default:
             ALOGE("invalid msg type: %d", msg->type);
             return;
@@ -158,6 +168,11 @@
     return mDevice->remove(mDevice, groupId, fingerId);
 }
 
+int32_t FingerprintDaemonProxy::enumerate() {
+    ALOG(LOG_VERBOSE, LOG_TAG, "enumerate()\n");
+    return mDevice->enumerate(mDevice);
+}
+
 uint64_t FingerprintDaemonProxy::getAuthenticatorId() {
     return mDevice->get_authenticator_id(mDevice);
 }
diff --git a/fingerprintd/FingerprintDaemonProxy.h b/fingerprintd/FingerprintDaemonProxy.h
index 871c0e6..145b4c9 100644
--- a/fingerprintd/FingerprintDaemonProxy.h
+++ b/fingerprintd/FingerprintDaemonProxy.h
@@ -40,6 +40,7 @@
         virtual int32_t authenticate(uint64_t sessionId, uint32_t groupId);
         virtual int32_t stopAuthentication();
         virtual int32_t remove(int32_t fingerId, int32_t groupId);
+        virtual int32_t enumerate();
         virtual uint64_t getAuthenticatorId();
         virtual int32_t setActiveGroup(int32_t groupId, const uint8_t* path, ssize_t pathLen);
         virtual int64_t openHal();
diff --git a/fingerprintd/IFingerprintDaemon.cpp b/fingerprintd/IFingerprintDaemon.cpp
index 7131793..bc4af56 100644
--- a/fingerprintd/IFingerprintDaemon.cpp
+++ b/fingerprintd/IFingerprintDaemon.cpp
@@ -125,6 +125,16 @@
             reply->writeInt32(ret);
             return NO_ERROR;
         }
+        case ENUMERATE: {
+            CHECK_INTERFACE(IFingerprintDaemon, data, reply);
+            if (!checkPermission(HAL_FINGERPRINT_PERMISSION)) {
+                return PERMISSION_DENIED;
+            }
+            const int32_t ret = enumerate();
+            reply->writeNoException();
+            reply->writeInt32(ret);
+            return NO_ERROR;
+        }
         case GET_AUTHENTICATOR_ID: {
             CHECK_INTERFACE(IFingerprintDaemon, data, reply);
             if (!checkPermission(HAL_FINGERPRINT_PERMISSION)) {
diff --git a/fingerprintd/IFingerprintDaemon.h b/fingerprintd/IFingerprintDaemon.h
index 1eb4ac1..23c36ff 100644
--- a/fingerprintd/IFingerprintDaemon.h
+++ b/fingerprintd/IFingerprintDaemon.h
@@ -44,6 +44,7 @@
            CLOSE_HAL = IBinder::FIRST_CALL_TRANSACTION + 9,
            INIT = IBinder::FIRST_CALL_TRANSACTION + 10,
            POST_ENROLL = IBinder::FIRST_CALL_TRANSACTION + 11,
+           ENUMERATE = IBinder::FIRST_CALL_TRANSACTION + 12,
         };
 
         IFingerprintDaemon() { }
@@ -60,6 +61,7 @@
         virtual int32_t authenticate(uint64_t sessionId, uint32_t groupId) = 0;
         virtual int32_t stopAuthentication() = 0;
         virtual int32_t remove(int32_t fingerId, int32_t groupId) = 0;
+        virtual int32_t enumerate() = 0;
         virtual uint64_t getAuthenticatorId() = 0;
         virtual int32_t setActiveGroup(int32_t groupId, const uint8_t* path, ssize_t pathLen) = 0;
         virtual int64_t openHal() = 0;
diff --git a/fingerprintd/IFingerprintDaemonCallback.cpp b/fingerprintd/IFingerprintDaemonCallback.cpp
index 44d8020..19838c9 100644
--- a/fingerprintd/IFingerprintDaemonCallback.cpp
+++ b/fingerprintd/IFingerprintDaemonCallback.cpp
@@ -74,13 +74,13 @@
         return remote()->transact(ON_REMOVED, data, &reply, IBinder::FLAG_ONEWAY);
     }
 
-    virtual status_t onEnumerate(int64_t devId, const int32_t* fpIds, const int32_t* gpIds,
-            int32_t sz) {
+    virtual status_t onEnumerate(int64_t devId, int32_t fpId, int32_t gpId, int32_t rem) {
         Parcel data, reply;
         data.writeInterfaceToken(IFingerprintDaemonCallback::getInterfaceDescriptor());
         data.writeInt64(devId);
-        data.writeInt32Array(sz, fpIds);
-        data.writeInt32Array(sz, gpIds);
+        data.writeInt32(fpId);
+        data.writeInt32(gpId);
+        data.writeInt32(rem);
         return remote()->transact(ON_ENUMERATE, data, &reply, IBinder::FLAG_ONEWAY);
     }
 };
diff --git a/fingerprintd/IFingerprintDaemonCallback.h b/fingerprintd/IFingerprintDaemonCallback.h
index 6e32213..e343cb4 100644
--- a/fingerprintd/IFingerprintDaemonCallback.h
+++ b/fingerprintd/IFingerprintDaemonCallback.h
@@ -44,8 +44,7 @@
         virtual status_t onAuthenticated(int64_t devId, int32_t fingerId, int32_t groupId) = 0;
         virtual status_t onError(int64_t devId, int32_t error) = 0;
         virtual status_t onRemoved(int64_t devId, int32_t fingerId, int32_t groupId) = 0;
-        virtual status_t onEnumerate(int64_t devId, const int32_t* fpIds, const int32_t* gpIds,
-                int32_t sz) = 0;
+        virtual status_t onEnumerate(int64_t devId, int32_t fingerId, int32_t groupId, int32_t rem) = 0;
 
         DECLARE_META_INTERFACE(FingerprintDaemonCallback);
 };