| /* |
| * 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 |