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/*
* Copyright (C) 2010 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.
*/
#define LOG_TAG "Surface"
#include <gui/view/Surface.h>
#include <binder/Parcel.h>
#include <utils/Log.h>
#include <gui/IGraphicBufferProducer.h>
namespace android {
namespace view {
status_t Surface::writeToParcel(Parcel* parcel) const {
return writeToParcel(parcel, false);
}
status_t Surface::writeToParcel(Parcel* parcel, bool nameAlreadyWritten) const {
if (parcel == nullptr) return BAD_VALUE;
status_t res = OK;
if (!nameAlreadyWritten) {
res = parcel->writeString16(name);
if (res != OK) return res;
/* isSingleBuffered defaults to no */
res = parcel->writeInt32(0);
if (res != OK) return res;
}
res = IGraphicBufferProducer::exportToParcel(graphicBufferProducer, parcel);
if (res != OK) return res;
return parcel->writeStrongBinder(surfaceControlHandle);
}
status_t Surface::readFromParcel(const Parcel* parcel) {
return readFromParcel(parcel, false);
}
status_t Surface::readFromParcel(const Parcel* parcel, bool nameAlreadyRead) {
if (parcel == nullptr) return BAD_VALUE;
status_t res = OK;
if (!nameAlreadyRead) {
name = readMaybeEmptyString16(parcel);
// Discard this for now
int isSingleBuffered;
res = parcel->readInt32(&isSingleBuffered);
if (res != OK) {
ALOGE("Can't read isSingleBuffered");
return res;
}
}
graphicBufferProducer = IGraphicBufferProducer::createFromParcel(parcel);
surfaceControlHandle = parcel->readStrongBinder();
return OK;
}
String16 Surface::readMaybeEmptyString16(const Parcel* parcel) {
std::optional<String16> str;
parcel->readString16(&str);
return str.value_or(String16());
}
} // namespace view
} // namespace android