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/*
* Copyright (C) 2016 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_HIDL_PASSTHROUGH_SUPPORT_H
#define ANDROID_HIDL_PASSTHROUGH_SUPPORT_H
#include <android/hidl/base/1.0/IBase.h>
namespace android {
namespace hardware {
namespace details {
/*
* Wrap the given interface with the smallest BsChild possible. Will return the
* argument directly if nullptr or isRemote().
*/
template<typename IType>
sp<::android::hidl::base::V1_0::IBase> wrapPassthrough(
sp<IType> iface) {
if (iface.get() == nullptr || iface->isRemote()) {
// doesn't know how to handle it.
return iface;
}
std::string myDescriptor = getDescriptor(iface.get());
if (myDescriptor.empty()) {
// interfaceDescriptor fails
return nullptr;
}
auto func = gBsConstructorMap.get(myDescriptor, nullptr);
if (!func) {
return nullptr;
}
return func(static_cast<void *>(iface.get()));
}
} // namespace details
} // namespace hardware
} // namespace android
#endif // ANDROID_HIDL_PASSTHROUGH_SUPPORT_H