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1/*
2 * Copyright (C) 2022 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
17syntax = "proto3";
18
19package com.android.server.wm.shell;
20
21import "frameworks/base/core/proto/android/server/windowmanagerservice.proto";
22
23option java_multiple_files = true;
24
25/* Represents a file full of transition entries.
26   Encoded, it should start with 0x9 0x57 0x49 0x4e 0x54 0x52 0x41 0x43 0x45 (.TRNTRACE), such
27   that it can be easily identified. */
28message TransitionTraceProto {
29
30  /* constant; MAGIC_NUMBER = (long) MAGIC_NUMBER_H << 32 | MagicNumber.MAGIC_NUMBER_L
31     (this is needed because enums have to be 32 bits and there's no nice way to put 64bit
32      constants into .proto files. */
33  enum MagicNumber {
34    INVALID = 0;
35    MAGIC_NUMBER_L = 0x544e5254;  /* TRNT (little-endian ASCII) */
36    MAGIC_NUMBER_H = 0x45434152;  /* RACE (little-endian ASCII) */
37  }
38
39  fixed64 magic_number = 1;  /* Must be the first field, set to value in MagicNumber */
40  int64 timestamp = 2; /* The timestamp of when the trace was started. */
41  repeated Transition transition = 3;
42}
43
44message Transition {
45
46  enum State {
47    COLLECTING = 0;
48    PENDING = -1;
49    STARTED = 1;
50    PLAYING = 2;
51    ABORT = 3;
52    FINISHED = 4;
53  }
54
55  int32 id = 1;
56  int32 transition_type = 2;
57  int64 timestamp = 3;
58  State state = 5;
59  int32 flags = 6;
60  repeated ChangeInfo change = 7;
61  uint64 start_transaction_id = 8;
62  uint64 finish_transaction_id = 9;
63}
64
65message ChangeInfo {
66  com.android.server.wm.IdentifierProto window_identifier = 1;
67  int32 transit_mode = 2;
68  bool has_changed = 3;
69  int32 change_flags = 4;
70}
71