1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <utils/Errors.h>
18#include <binder/Parcel.h>
19#include <gui/ISurfaceComposerClient.h>
20#include <gui/ISurfaceTexture.h>
21#include <private/gui/LayerState.h>
22
23namespace android {
24
25status_t layer_state_t::write(Parcel& output) const
26{
27    status_t err;
28
29    err = output.write(transparentRegion);
30    if (err < NO_ERROR) return err;
31
32    // NOTE: regions are at the end of the structure
33    size_t size = sizeof(layer_state_t);
34    size -= sizeof(transparentRegion);
35    err = output.write(this, size);
36    return err;
37}
38
39status_t layer_state_t::read(const Parcel& input)
40{
41    status_t err;
42
43    err = input.read(transparentRegion);
44    if (err < NO_ERROR) return err;
45
46    // NOTE: regions are at the end of the structure
47    size_t size = sizeof(layer_state_t);
48    size -= sizeof(transparentRegion);
49    input.read(this, size);
50    return NO_ERROR;
51}
52
53status_t ComposerState::write(Parcel& output) const {
54    output.writeStrongBinder(client->asBinder());
55    return state.write(output);
56}
57
58status_t ComposerState::read(const Parcel& input) {
59    client = interface_cast<ISurfaceComposerClient>(input.readStrongBinder());
60    return state.read(input);
61}
62
63
64status_t DisplayState::write(Parcel& output) const {
65    output.writeStrongBinder(token);
66    output.writeStrongBinder(surface->asBinder());
67    output.writeInt32(what);
68    output.writeInt32(layerStack);
69    output.writeInt32(orientation);
70    output.write(viewport);
71    output.write(frame);
72    return NO_ERROR;
73}
74
75status_t DisplayState::read(const Parcel& input) {
76    token = input.readStrongBinder();
77    surface = interface_cast<ISurfaceTexture>(input.readStrongBinder());
78    what = input.readInt32();
79    layerStack = input.readInt32();
80    orientation = input.readInt32();
81    input.read(viewport);
82    input.read(frame);
83    return NO_ERROR;
84}
85
86
87}; // namespace android
88