aosp12/frameworks/native/libs/ui/StaticDisplayInfo.cpp

55 lines
2.0 KiB
C++

/*
* Copyright 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 <ui/StaticDisplayInfo.h>
#include <cstdint>
#include <ui/FlattenableHelpers.h>
#define RETURN_IF_ERROR(op) \
if (const status_t status = (op); status != OK) return status;
namespace android::ui {
size_t StaticDisplayInfo::getFlattenedSize() const {
return FlattenableHelpers::getFlattenedSize(connectionType) +
FlattenableHelpers::getFlattenedSize(density) +
FlattenableHelpers::getFlattenedSize(secure) +
FlattenableHelpers::getFlattenedSize(deviceProductInfo);
}
status_t StaticDisplayInfo::flatten(void* buffer, size_t size) const {
if (size < getFlattenedSize()) {
return NO_MEMORY;
}
RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, connectionType));
RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, density));
RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, secure));
RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, deviceProductInfo));
return OK;
}
status_t StaticDisplayInfo::unflatten(void const* buffer, size_t size) {
RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &connectionType));
RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &density));
RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &secure));
RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &deviceProductInfo));
return OK;
}
} // namespace android::ui