86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
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/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ScopedParcel.h"
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#ifdef __ANDROID__ // Layoutlib does not support parcel
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using namespace android;
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int32_t ScopedParcel::readInt32() {
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int32_t temp = 0;
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// TODO: This behavior-matches what android::Parcel does
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// but this should probably be better
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if (AParcel_readInt32(mParcel, &temp) != STATUS_OK) {
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temp = 0;
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}
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return temp;
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}
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uint32_t ScopedParcel::readUint32() {
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uint32_t temp = 0;
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// TODO: This behavior-matches what android::Parcel does
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// but this should probably be better
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if (AParcel_readUint32(mParcel, &temp) != STATUS_OK) {
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temp = 0;
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}
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return temp;
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}
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float ScopedParcel::readFloat() {
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float temp = 0.;
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if (AParcel_readFloat(mParcel, &temp) != STATUS_OK) {
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temp = 0.;
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}
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return temp;
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}
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std::optional<sk_sp<SkData>> ScopedParcel::readData() {
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struct Data {
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void* ptr = nullptr;
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size_t size = 0;
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} data;
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auto error = AParcel_readByteArray(
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mParcel, &data, [](void* arrayData, int32_t length, int8_t** outBuffer) -> bool {
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Data* data = reinterpret_cast<Data*>(arrayData);
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if (length > 0) {
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data->ptr = sk_malloc_canfail(length);
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if (!data->ptr) {
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return false;
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}
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*outBuffer = reinterpret_cast<int8_t*>(data->ptr);
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data->size = length;
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}
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return true;
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});
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if (error != STATUS_OK || data.size <= 0) {
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sk_free(data.ptr);
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return std::nullopt;
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} else {
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return SkData::MakeFromMalloc(data.ptr, data.size);
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}
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}
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void ScopedParcel::writeData(const std::optional<sk_sp<SkData>>& optData) {
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if (optData) {
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const auto& data = *optData;
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AParcel_writeByteArray(mParcel, reinterpret_cast<const int8_t*>(data->data()),
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data->size());
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} else {
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AParcel_writeByteArray(mParcel, nullptr, -1);
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}
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}
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#endif // __ANDROID__ // Layoutlib does not support parcel
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