universal7885: parts-aidl: Just send callback through setSwapOn()

- Set callback on JNI, since Java class cant be sent through, use the ndk backend to implement callback and send to swapon()

universal7885-common/apps/SamsungParts/jni/Android.bp

@@ -1,5 +1,5 @@
 cc_library_shared {
-    name: "libSwapStorageHelper",
+    name: "libStorageHelper",
     defaults: ["eureka_defaults"],
     cflags: [
         "-Wall",
@@ -7,7 +7,22 @@ cc_library_shared {
         "-Wno-unused-parameter",
         "-Werror",
     ],
-    srcs: ["*.cpp"],
+    srcs: ["Storage.cpp"],
     header_libs: ["jni_headers"],
     static_libs: ["libc++fs"],
 }
+
+cc_library_shared {
+    name: "libSwapCallback",
+    defaults: ["eureka_defaults"],
+    srcs: [
+       "SwapCallbackImpl.cpp",
+       "SwapCallbackNative.cpp",
+    ],
+    header_libs: ["jni_headers"],
+    shared_libs: [
+       "vendor.eureka.hardware.parts-V1-ndk",
+       "libbase",
+       "libbinder_ndk",
+    ],
+}

universal7885-common/apps/SamsungParts/jni/SwapCallbackImpl.cpp

@@ -0,0 +1,21 @@
+// Copyright (C) 2021 Eureka Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "SwapCallbackImpl.h"
+
+::ndk::ScopedAStatus SwapCallbackImpl::respondToBool(bool result) {
+   jmethodID mid_callback = env->GetMethodID(cls, "reactToCallbackNative", "()V");
+   env->CallBooleanMethod(cls, mid_callback, result);
+   return ::ndk::ScopedAStatus::ok();
+}

universal7885-common/apps/SamsungParts/jni/SwapCallbackImpl.h

@@ -0,0 +1,36 @@
+// Copyright (C) 2021 Eureka Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include <aidl/vendor/eureka/hardware/parts/BnBoolCallback.h>
+
+#include <jni.h>
+
+using namespace aidl::vendor::eureka::hardware::parts;
+
+struct SwapCallbackImpl : public BnBoolCallback {
+ public:
+  SwapCallbackImpl(JNIEnv *_env, jclass _cls) {
+     env = _env;
+     cls = _cls;
+  };
+
+  // Methods from aidl::vendor::eureka::hardware::parts::IBoolCallback follow.
+  ::ndk::ScopedAStatus respondToBool(bool result) override;
+
+ private:
+  JNIEnv *env;
+  jclass cls;
+};

universal7885-common/apps/SamsungParts/jni/SwapCallbackNative.cpp

@@ -0,0 +1,12 @@
+#include "SwapCallbackImpl.h"
+
+#include <android/binder_manager.h>
+
+#include <aidl/vendor/eureka/hardware/parts/BnSwapOnData.h>
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_eurekateam_samsungextras_interfaces_Swap_setSwapOn
+(JNIEnv *env, jclass clazz, jboolean cb) {
+	auto svc = ISwapOnData::fromBinder(ndk::SpAIBinder(AServiceManager_waitForService("vendor.eureka.hardware.parts.ISwapOnData/default")));
+	svc->setSwapOn(cb ? ndk::SharedRefBase::make<SwapCallbackImpl>(env, clazz) : nullptr);
+}