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/*
* Copyright (C) 2008 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 <utils/Errors.h>
#include <binder/Parcel.h>
#include <gui/ISurfaceComposerClient.h>
#include <private/gui/LayerState.h>
namespace android {
status_t layer_state_t::write(Parcel& output) const
{
status_t err;
size_t len = transparentRegion.write(NULL, 0);
err = output.writeInt32(len);
if (err < NO_ERROR) return err;
void* buf = output.writeInplace(len);
if (buf == NULL) return NO_MEMORY;
err = transparentRegion.write(buf, len);
if (err < NO_ERROR) return err;
// NOTE: regions are at the end of the structure
size_t size = sizeof(layer_state_t);
size -= sizeof(transparentRegion);
err = output.write(this, size);
return err;
}
status_t layer_state_t::read(const Parcel& input)
{
status_t err;
size_t len = input.readInt32();
void const* buf = input.readInplace(len);
if (buf == NULL) return NO_MEMORY;
err = transparentRegion.read(buf);
if (err < NO_ERROR) return err;
// NOTE: regions are at the end of the structure
size_t size = sizeof(layer_state_t);
size -= sizeof(transparentRegion);
input.read(this, size);
return NO_ERROR;
}
status_t ComposerState::write(Parcel& output) const {
output.writeStrongBinder(client->asBinder());
return state.write(output);
}
status_t ComposerState::read(const Parcel& input) {
client = interface_cast<ISurfaceComposerClient>(input.readStrongBinder());
return state.read(input);
}
}; // namespace android
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