| /* |
| * 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 <private/surfaceflinger/LayerState.h> |
| #include <surfaceflinger/ISurfaceComposerClient.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 |