| /* |
| * Copyright (C) 2023 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. |
| */ |
| |
| package android.tools.device.traces.parsers.wm |
| |
| import android.tools.common.CrossPlatform |
| import android.tools.common.Timestamp |
| import android.tools.common.parsers.AbstractTraceParser |
| import android.tools.common.traces.wm.WindowManagerState |
| import android.tools.common.traces.wm.WindowManagerTrace |
| import com.android.server.wm.nano.WindowManagerTraceFileProto |
| import com.android.server.wm.nano.WindowManagerTraceProto |
| |
| /** Parser for [WindowManagerTrace] objects containing traces */ |
| open class WindowManagerTraceParser(private val legacyTrace: Boolean = false) : |
| AbstractTraceParser< |
| WindowManagerTraceFileProto, WindowManagerTraceProto, WindowManagerState, WindowManagerTrace |
| >() { |
| private var realToElapsedTimeOffsetNanos = 0L |
| |
| override val traceName: String = "WM Trace" |
| |
| override fun doDecodeByteArray(bytes: ByteArray): WindowManagerTraceFileProto = |
| WindowManagerTraceFileProto.parseFrom(bytes) |
| |
| override fun createTrace(entries: List<WindowManagerState>): WindowManagerTrace = |
| WindowManagerTrace(entries.toTypedArray()) |
| |
| override fun getEntries(input: WindowManagerTraceFileProto): List<WindowManagerTraceProto> = |
| input.entry.toList() |
| |
| override fun getTimestamp(entry: WindowManagerTraceProto): Timestamp { |
| require(legacyTrace || realToElapsedTimeOffsetNanos != 0L) |
| return CrossPlatform.timestamp.from( |
| elapsedNanos = entry.elapsedRealtimeNanos, |
| unixNanos = entry.elapsedRealtimeNanos + realToElapsedTimeOffsetNanos |
| ) |
| } |
| |
| override fun onBeforeParse(input: WindowManagerTraceFileProto) { |
| realToElapsedTimeOffsetNanos = input.realToElapsedTimeOffsetNanos |
| } |
| |
| override fun doParseEntry(entry: WindowManagerTraceProto): WindowManagerState { |
| return WindowManagerStateBuilder() |
| .atPlace(entry.where) |
| .forTimestamp(entry.elapsedRealtimeNanos) |
| .withRealTimeOffset(realToElapsedTimeOffsetNanos) |
| .forProto(entry.windowManagerService) |
| .build() |
| } |
| } |