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/*
* Copyright (C) 2022 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.
*/
syntax = "proto3";
package com.android.server.wm.shell;
import "frameworks/base/core/proto/android/server/windowmanagerservice.proto";
option java_multiple_files = true;
/* Represents a file full of transition entries.
Encoded, it should start with 0x9 0x57 0x49 0x4e 0x54 0x52 0x41 0x43 0x45 (.TRNTRACE), such
that it can be easily identified. */
message TransitionTraceProto {
/* constant; MAGIC_NUMBER = (long) MAGIC_NUMBER_H << 32 | MagicNumber.MAGIC_NUMBER_L
(this is needed because enums have to be 32 bits and there's no nice way to put 64bit
constants into .proto files. */
enum MagicNumber {
INVALID = 0;
MAGIC_NUMBER_L = 0x544e5254; /* TRNT (little-endian ASCII) */
MAGIC_NUMBER_H = 0x45434152; /* RACE (little-endian ASCII) */
}
fixed64 magic_number = 1; /* Must be the first field, set to value in MagicNumber */
int64 timestamp = 2; /* The timestamp of when the trace was started. */
repeated Transition transition = 3;
}
message Transition {
enum State {
COLLECTING = 0;
PENDING = -1;
STARTED = 1;
PLAYING = 2;
ABORT = 3;
FINISHED = 4;
}
int32 id = 1;
int32 transition_type = 2;
int64 timestamp = 3;
State state = 5;
int32 flags = 6;
repeated ChangeInfo change = 7;
uint64 start_transaction_id = 8;
uint64 finish_transaction_id = 9;
}
message ChangeInfo {
com.android.server.wm.IdentifierProto window_identifier = 1;
int32 transit_mode = 2;
bool has_changed = 3;
int32 change_flags = 4;
}
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