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/*
* Copyright (C) 2023 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 "ScopedParcel.h"
#ifdef __linux__ // Only Linux support parcel
using namespace android;
int32_t ScopedParcel::readInt32() {
int32_t temp = 0;
// TODO: This behavior-matches what android::Parcel does
// but this should probably be better
if (AParcel_readInt32(mParcel, &temp) != STATUS_OK) {
temp = 0;
}
return temp;
}
uint32_t ScopedParcel::readUint32() {
uint32_t temp = 0;
// TODO: This behavior-matches what android::Parcel does
// but this should probably be better
if (AParcel_readUint32(mParcel, &temp) != STATUS_OK) {
temp = 0;
}
return temp;
}
int64_t ScopedParcel::readInt64() {
int64_t temp = 0;
// TODO: This behavior-matches what android::Parcel does
// but this should probably be better
if (AParcel_readInt64(mParcel, &temp) != STATUS_OK) {
temp = 0;
}
return temp;
}
float ScopedParcel::readFloat() {
float temp = 0.;
if (AParcel_readFloat(mParcel, &temp) != STATUS_OK) {
temp = 0.;
}
return temp;
}
std::optional<sk_sp<SkData>> ScopedParcel::readData() {
struct Data {
void* ptr = nullptr;
size_t size = 0;
} data;
auto error = AParcel_readByteArray(
mParcel, &data, [](void* arrayData, int32_t length, int8_t** outBuffer) -> bool {
Data* data = reinterpret_cast<Data*>(arrayData);
if (length > 0) {
data->ptr = sk_malloc_canfail(length);
if (!data->ptr) {
return false;
}
*outBuffer = reinterpret_cast<int8_t*>(data->ptr);
data->size = length;
}
return true;
});
if (error != STATUS_OK || data.size <= 0) {
sk_free(data.ptr);
return std::nullopt;
} else {
return SkData::MakeFromMalloc(data.ptr, data.size);
}
}
void ScopedParcel::writeData(const std::optional<sk_sp<SkData>>& optData) {
if (optData) {
const auto& data = *optData;
AParcel_writeByteArray(mParcel, reinterpret_cast<const int8_t*>(data->data()),
data->size());
} else {
AParcel_writeByteArray(mParcel, nullptr, -1);
}
}
#endif // __linux__ // Only Linux support parcel
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