Refactored biometric libraries into common

Test: atest
Bug: 230514750
Change-Id: I47ad020004ffef9646281611a637e1a5208f5573
diff --git a/biometrics/common/thread/Android.bp b/biometrics/common/thread/Android.bp
new file mode 100644
index 0000000..a497d01
--- /dev/null
+++ b/biometrics/common/thread/Android.bp
@@ -0,0 +1,26 @@
+cc_library {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    name: "android.hardware.biometrics.common.thread",
+    export_include_dirs: ["include"],
+    vendor: true,
+    srcs: [
+        "WorkerThread.cpp",
+    ],
+}
+
+cc_test_host {
+    name: "android.hardware.biometrics.common.WorkerThreadTest",
+    local_include_dirs: ["include"],
+    srcs: [
+        "tests/WorkerThreadTest.cpp",
+        "WorkerThread.cpp",
+    ],
+    shared_libs: [
+        "libcutils",
+    ],
+    test_suites: ["general-tests"],
+}
diff --git a/biometrics/fingerprint/aidl/default/WorkerThread.cpp b/biometrics/common/thread/WorkerThread.cpp
similarity index 92%
rename from biometrics/fingerprint/aidl/default/WorkerThread.cpp
rename to biometrics/common/thread/WorkerThread.cpp
index 34ebb5c..61d1a13 100644
--- a/biometrics/fingerprint/aidl/default/WorkerThread.cpp
+++ b/biometrics/common/thread/WorkerThread.cpp
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-#include "WorkerThread.h"
+#include "thread/WorkerThread.h"
 
-namespace aidl::android::hardware::biometrics::fingerprint {
+namespace aidl::android::hardware::biometrics {
 
 // It's important that mThread is initialized after everything else because it runs a member
 // function that may use any member of this class.
@@ -68,4 +68,4 @@
     }
 }
 
-}  // namespace aidl::android::hardware::biometrics::fingerprint
+}  // namespace aidl::android::hardware::biometrics
diff --git a/biometrics/fingerprint/aidl/default/include/Callable.h b/biometrics/common/thread/include/thread/Callable.h
similarity index 92%
rename from biometrics/fingerprint/aidl/default/include/Callable.h
rename to biometrics/common/thread/include/thread/Callable.h
index c629511..6eeff76 100644
--- a/biometrics/fingerprint/aidl/default/include/Callable.h
+++ b/biometrics/common/thread/include/thread/Callable.h
@@ -16,7 +16,7 @@
 
 #pragma once
 
-namespace aidl::android::hardware::biometrics::fingerprint {
+namespace aidl::android::hardware::biometrics {
 
 // Interface for representing parameterless functions. Unlike std::function<void()>, this can also
 // represent move-only lambdas.
@@ -51,4 +51,4 @@
     return std::make_unique<AnyFuncWrapper<T>>(std::move(func));
 }
 
-}  // namespace aidl::android::hardware::biometrics::fingerprint
\ No newline at end of file
+}  // namespace aidl::android::hardware::biometrics
\ No newline at end of file
diff --git a/biometrics/fingerprint/aidl/default/include/WorkerThread.h b/biometrics/common/thread/include/thread/WorkerThread.h
similarity index 95%
rename from biometrics/fingerprint/aidl/default/include/WorkerThread.h
rename to biometrics/common/thread/include/thread/WorkerThread.h
index 6fff4f2..5f89a7f 100644
--- a/biometrics/fingerprint/aidl/default/include/WorkerThread.h
+++ b/biometrics/common/thread/include/thread/WorkerThread.h
@@ -23,7 +23,7 @@
 
 #include "Callable.h"
 
-namespace aidl::android::hardware::biometrics::fingerprint {
+namespace aidl::android::hardware::biometrics {
 
 // A class that encapsulates a worker thread and a task queue, and provides a convenient interface
 // for a Session to schedule its tasks for asynchronous execution.
@@ -76,4 +76,4 @@
     std::thread mThread;
 };
 
-}  // namespace aidl::android::hardware::biometrics::fingerprint
+}  // namespace aidl::android::hardware::biometrics
diff --git a/biometrics/fingerprint/aidl/default/tests/WorkerThreadTest.cpp b/biometrics/common/thread/tests/WorkerThreadTest.cpp
similarity index 96%
rename from biometrics/fingerprint/aidl/default/tests/WorkerThreadTest.cpp
rename to biometrics/common/thread/tests/WorkerThreadTest.cpp
index 902fb40..5bb9e7e 100644
--- a/biometrics/fingerprint/aidl/default/tests/WorkerThreadTest.cpp
+++ b/biometrics/common/thread/tests/WorkerThreadTest.cpp
@@ -21,12 +21,11 @@
 
 #include <gtest/gtest.h>
 
-#include "WorkerThread.h"
+#include "thread/WorkerThread.h"
 
 namespace {
 
-using aidl::android::hardware::biometrics::fingerprint::Callable;
-using aidl::android::hardware::biometrics::fingerprint::WorkerThread;
+using namespace aidl::android::hardware::biometrics;
 using namespace std::chrono_literals;
 
 TEST(WorkerThreadTest, ScheduleReturnsTrueWhenQueueHasSpace) {
diff --git a/biometrics/common/util/Android.bp b/biometrics/common/util/Android.bp
new file mode 100644
index 0000000..918ef72
--- /dev/null
+++ b/biometrics/common/util/Android.bp
@@ -0,0 +1,18 @@
+cc_library {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    name: "android.hardware.biometrics.common.util",
+    export_include_dirs: ["include"],
+    vendor: true,
+    srcs: [
+        "CancellationSignal.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "android.hardware.biometrics.common-V2-ndk",
+    ],
+}
diff --git a/biometrics/fingerprint/aidl/default/CancellationSignal.cpp b/biometrics/common/util/CancellationSignal.cpp
similarity index 87%
rename from biometrics/fingerprint/aidl/default/CancellationSignal.cpp
rename to biometrics/common/util/CancellationSignal.cpp
index 6598316..7888838 100644
--- a/biometrics/fingerprint/aidl/default/CancellationSignal.cpp
+++ b/biometrics/common/util/CancellationSignal.cpp
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#include "CancellationSignal.h"
+#include "util/CancellationSignal.h"
 
 #include <android-base/logging.h>
 #include <chrono>
 
-namespace aidl::android::hardware::biometrics::fingerprint {
+namespace aidl::android::hardware::biometrics {
 
 CancellationSignal::CancellationSignal(std::promise<void>&& cancellationPromise)
     : mCancellationPromise(std::move(cancellationPromise)) {}
@@ -34,4 +34,4 @@
     return f.wait_for(std::chrono::seconds(0)) == std::future_status::ready;
 }
 
-}  // namespace aidl::android::hardware::biometrics::fingerprint
+}  // namespace aidl::android::hardware::biometrics
diff --git a/biometrics/fingerprint/aidl/default/include/CancellationSignal.h b/biometrics/common/util/include/util/CancellationSignal.h
similarity index 83%
rename from biometrics/fingerprint/aidl/default/include/CancellationSignal.h
rename to biometrics/common/util/include/util/CancellationSignal.h
index 99f2fba..be77e29 100644
--- a/biometrics/fingerprint/aidl/default/include/CancellationSignal.h
+++ b/biometrics/common/util/include/util/CancellationSignal.h
@@ -17,13 +17,10 @@
 #pragma once
 
 #include <aidl/android/hardware/biometrics/common/BnCancellationSignal.h>
-#include <aidl/android/hardware/biometrics/fingerprint/ISessionCallback.h>
 #include <functional>
 #include <future>
 
-#include "WorkerThread.h"
-
-namespace aidl::android::hardware::biometrics::fingerprint {
+namespace aidl::android::hardware::biometrics {
 
 class CancellationSignal : public common::BnCancellationSignal {
   public:
@@ -39,4 +36,4 @@
 // to this future should be cancelled.
 bool shouldCancel(const std::future<void>& cancellationFuture);
 
-}  // namespace aidl::android::hardware::biometrics::fingerprint
+}  // namespace aidl::android::hardware::biometrics
diff --git a/biometrics/fingerprint/aidl/default/Android.bp b/biometrics/fingerprint/aidl/default/Android.bp
index 70fadfe..31fd96b 100644
--- a/biometrics/fingerprint/aidl/default/Android.bp
+++ b/biometrics/fingerprint/aidl/default/Android.bp
@@ -15,11 +15,9 @@
     vintf_fragments: ["fingerprint-example.xml"],
     local_include_dirs: ["include"],
     srcs: [
-        "CancellationSignal.cpp",
         "FakeFingerprintEngine.cpp",
         "Fingerprint.cpp",
         "Session.cpp",
-        "WorkerThread.cpp",
         "main.cpp",
     ],
     shared_libs: [
@@ -27,28 +25,16 @@
         "libbinder_ndk",
         "android.hardware.biometrics.fingerprint-V2-ndk",
         "android.hardware.biometrics.common-V2-ndk",
+        "android.hardware.biometrics.common.thread",
+        "android.hardware.biometrics.common.util",
     ],
     static_libs: ["android.hardware.biometrics.fingerprint.VirtualProps"],
 }
 
-cc_test_host {
-    name: "android.hardware.biometrics.fingerprint.WorkerThreadTest",
-    local_include_dirs: ["include"],
-    srcs: [
-        "tests/WorkerThreadTest.cpp",
-        "WorkerThread.cpp",
-    ],
-    shared_libs: [
-        "libcutils",
-    ],
-    test_suites: ["general-tests"],
-}
-
 cc_test {
     name: "android.hardware.biometrics.fingerprint.FakeFingerprintEngineTest",
     local_include_dirs: ["include"],
     srcs: [
-        "CancellationSignal.cpp",
         "tests/FakeFingerprintEngineTest.cpp",
         "FakeFingerprintEngine.cpp",
     ],
@@ -61,6 +47,7 @@
         "android.hardware.biometrics.fingerprint-V2-ndk",
         "android.hardware.biometrics.common-V2-ndk",
         "android.hardware.keymaster-V3-ndk",
+        "android.hardware.biometrics.common.util",
     ],
     vendor: true,
     test_suites: ["general-tests"],
diff --git a/biometrics/fingerprint/aidl/default/FakeFingerprintEngine.cpp b/biometrics/fingerprint/aidl/default/FakeFingerprintEngine.cpp
index d1fe183..d0250af 100644
--- a/biometrics/fingerprint/aidl/default/FakeFingerprintEngine.cpp
+++ b/biometrics/fingerprint/aidl/default/FakeFingerprintEngine.cpp
@@ -16,14 +16,15 @@
 
 #include "FakeFingerprintEngine.h"
 
-#include <fingerprint.sysprop.h>
-#include "CancellationSignal.h"
-
 #include <android-base/logging.h>
+
+#include <fingerprint.sysprop.h>
 #include <chrono>
 #include <regex>
 #include <thread>
 
+#include "util/CancellationSignal.h"
+
 #define SLEEP_MS(x) \
     if (x > 0) std::this_thread::sleep_for(std::chrono::milliseconds(x))
 #define BEGIN_OP(x)            \
diff --git a/biometrics/fingerprint/aidl/default/Session.cpp b/biometrics/fingerprint/aidl/default/Session.cpp
index 078d3d9..ab91e98 100644
--- a/biometrics/fingerprint/aidl/default/Session.cpp
+++ b/biometrics/fingerprint/aidl/default/Session.cpp
@@ -18,7 +18,7 @@
 
 #include <android-base/logging.h>
 
-#include "CancellationSignal.h"
+#include "util/CancellationSignal.h"
 
 namespace aidl::android::hardware::biometrics::fingerprint {
 
diff --git a/biometrics/fingerprint/aidl/default/include/FakeFingerprintEngine.h b/biometrics/fingerprint/aidl/default/include/FakeFingerprintEngine.h
index 8659b79..eb810da 100644
--- a/biometrics/fingerprint/aidl/default/include/FakeFingerprintEngine.h
+++ b/biometrics/fingerprint/aidl/default/include/FakeFingerprintEngine.h
@@ -15,12 +15,13 @@
  */
 
 #pragma once
-
+#include <aidl/android/hardware/biometrics/common/SensorStrength.h>
 #include <aidl/android/hardware/biometrics/fingerprint/ISessionCallback.h>
 
 #include <random>
 
-#include "CancellationSignal.h"
+#include <future>
+#include <vector>
 
 using namespace ::aidl::android::hardware::biometrics::common;
 
diff --git a/biometrics/fingerprint/aidl/default/include/Fingerprint.h b/biometrics/fingerprint/aidl/default/include/Fingerprint.h
index 7bd3d6d..20def0c 100644
--- a/biometrics/fingerprint/aidl/default/include/Fingerprint.h
+++ b/biometrics/fingerprint/aidl/default/include/Fingerprint.h
@@ -20,7 +20,7 @@
 
 #include "FakeFingerprintEngine.h"
 #include "Session.h"
-#include "WorkerThread.h"
+#include "thread/WorkerThread.h"
 
 namespace aidl::android::hardware::biometrics::fingerprint {
 
diff --git a/biometrics/fingerprint/aidl/default/include/Session.h b/biometrics/fingerprint/aidl/default/include/Session.h
index acd5def..104d819 100644
--- a/biometrics/fingerprint/aidl/default/include/Session.h
+++ b/biometrics/fingerprint/aidl/default/include/Session.h
@@ -20,7 +20,7 @@
 #include <aidl/android/hardware/biometrics/fingerprint/ISessionCallback.h>
 
 #include "FakeFingerprintEngine.h"
-#include "WorkerThread.h"
+#include "thread/WorkerThread.h"
 
 namespace aidl::android::hardware::biometrics::fingerprint {