Implement power policy change listener in AudioControl HAL
Bug: 173719953
Test: manual test
Change-Id: Id773bd2bb1c8becc8f3e9e69e23ed8034dd36937
diff --git a/automotive/audiocontrol/aidl/default/PowerPolicyClient.cpp b/automotive/audiocontrol/aidl/default/PowerPolicyClient.cpp
new file mode 100644
index 0000000..7657337
--- /dev/null
+++ b/automotive/audiocontrol/aidl/default/PowerPolicyClient.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * 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 "PowerPolicyClient.h"
+#include "AudioControl.h"
+
+#include <android-base/logging.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace audiocontrol {
+
+namespace aafap = aidl::android::frameworks::automotive::powerpolicy;
+
+using aafap::CarPowerPolicy;
+using aafap::CarPowerPolicyFilter;
+using aafap::PowerComponent;
+using ::android::frameworks::automotive::powerpolicy::hasComponent;
+using ::ndk::ScopedAStatus;
+
+namespace {
+
+constexpr PowerComponent kAudioComponent = PowerComponent::AUDIO;
+
+} // namespace
+
+PowerPolicyClient::PowerPolicyClient(std::shared_ptr<AudioControl> audioControl)
+ : mAudioControl(audioControl) {}
+
+void PowerPolicyClient::onInitFailed() {
+ LOG(ERROR) << "Initializing power policy client failed";
+}
+
+std::vector<PowerComponent> PowerPolicyClient::getComponentsOfInterest() {
+ std::vector<PowerComponent> components{kAudioComponent};
+ return components;
+}
+
+ScopedAStatus PowerPolicyClient::onPolicyChanged(const CarPowerPolicy& powerPolicy) {
+ if (hasComponent(powerPolicy.enabledComponents, kAudioComponent)) {
+ LOG(DEBUG) << "Power policy: Audio component is enabled";
+ // TODO(b/173719953): Do something when AUDIO is enabled.
+ } else if (hasComponent(powerPolicy.disabledComponents, kAudioComponent)) {
+ LOG(DEBUG) << "Power policy: Audio component is disabled";
+ // TODO(b/173719953): Do something when AUDIO is disabled.
+ }
+ return ScopedAStatus::ok();
+}
+
+} // namespace audiocontrol
+} // namespace automotive
+} // namespace hardware
+} // namespace android
+} // namespace aidl