Add EVS v1.1 interface

Extends existing v1.0 interfaces to support more functionalities and
adds corresponding test cases.

Bug: 135472573
Test: VTS
Change-Id: I5245238e6a18ddc2c0451aaa21a9cce55c6207eb
Signed-off-by: Changyeon Jo <changyeon@google.com>
diff --git a/automotive/evs/1.1/default/EvsEnumerator.h b/automotive/evs/1.1/default/EvsEnumerator.h
new file mode 100644
index 0000000..11c2170
--- /dev/null
+++ b/automotive/evs/1.1/default/EvsEnumerator.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERAENUMERATOR_H
+#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERAENUMERATOR_H
+
+#include <android/hardware/automotive/evs/1.0/IEvsEnumerator.h>
+#include <android/hardware/automotive/evs/1.1/IEvsCamera.h>
+
+#include <list>
+
+using ::android::hardware::automotive::evs::V1_0::EvsResult;
+using ::android::hardware::automotive::evs::V1_0::IEvsDisplay;
+using ::android::hardware::automotive::evs::V1_0::DisplayState;
+using ::android::hardware::automotive::evs::V1_0::IEvsEnumerator;
+using IEvsCamera_1_0 = ::android::hardware::automotive::evs::V1_0::IEvsCamera;
+using IEvsCamera_1_1 = ::android::hardware::automotive::evs::V1_1::IEvsCamera;
+using CameraDesc_1_0 = ::android::hardware::automotive::evs::V1_0::CameraDesc;
+
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace evs {
+namespace V1_1 {
+namespace implementation {
+
+
+class EvsCamera;    // from EvsCamera.h
+class EvsDisplay;   // from EvsDisplay.h
+
+
+class EvsEnumerator : public IEvsEnumerator {
+public:
+    // Methods from ::android::hardware::automotive::evs::V1_0::IEvsEnumerator follow.
+    Return<void>                getCameraList(getCameraList_cb _hidl_cb)  override;
+    Return<sp<IEvsCamera_1_0>>  openCamera(const hidl_string& cameraId) override;
+    Return<void>                closeCamera(const ::android::sp<IEvsCamera_1_0>& carCamera)  override;
+    Return<sp<IEvsDisplay>>     openDisplay()  override;
+    Return<void>                closeDisplay(const ::android::sp<IEvsDisplay>& display)  override;
+    Return<DisplayState>        getDisplayState()  override;
+
+    // Implementation details
+    EvsEnumerator();
+
+private:
+    // NOTE:  All members values are static so that all clients operate on the same state
+    //        That is to say, this is effectively a singleton despite the fact that HIDL
+    //        constructs a new instance for each client.
+    struct CameraRecord {
+        CameraDesc_1_0      desc;
+        wp<EvsCamera>       activeInstance;
+
+        CameraRecord(const char *cameraId) : desc() { desc.cameraId = cameraId; }
+    };
+    static std::list<CameraRecord> sCameraList;
+
+    static wp<EvsDisplay>          sActiveDisplay; // Weak pointer. Object destructs if client dies.
+};
+
+} // namespace implementation
+} // namespace V1_1
+} // namespace evs
+} // namespace automotive
+} // namespace hardware
+} // namespace android
+
+#endif  // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERAENUMERATOR_H