/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.systemui.analytics;
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import static com.android.systemui.statusbar.phone.nano.TouchAnalyticsProto.Session;
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import static com.android.systemui.statusbar.phone.nano.TouchAnalyticsProto.Session.PhoneEvent;
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import static com.android.systemui.statusbar.phone.nano.TouchAnalyticsProto.Session.SensorEvent;
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import static com.android.systemui.statusbar.phone.nano.TouchAnalyticsProto.Session.TouchEvent;
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import android.os.Build;
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import android.util.Log;
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import android.view.MotionEvent;
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import java.util.ArrayList;
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/**
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* Collects touch, sensor and phone events and converts the data to
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* TouchAnalyticsProto.Session.
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*/
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public class SensorLoggerSession {
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private static final String TAG = "SensorLoggerSession";
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private final long mStartTimestampMillis;
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private final long mStartSystemTimeNanos;
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private long mEndTimestampMillis;
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private int mType;
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private ArrayList<TouchEvent> mMotionEvents = new ArrayList<>();
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private ArrayList<SensorEvent> mSensorEvents = new ArrayList<>();
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private ArrayList<PhoneEvent> mPhoneEvents = new ArrayList<>();
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private int mTouchAreaHeight;
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private int mTouchAreaWidth;
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private int mResult = Session.UNKNOWN;
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public SensorLoggerSession(long startTimestampMillis, long startSystemTimeNanos) {
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mStartTimestampMillis = startTimestampMillis;
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mStartSystemTimeNanos = startSystemTimeNanos;
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mType = Session.REAL;
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}
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public void setType(int type) {
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mType = type;
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}
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public void end(long endTimestampMillis, int result) {
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mResult = result;
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mEndTimestampMillis = endTimestampMillis;
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if (DataCollector.DEBUG) {
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Log.d(TAG, "Ending session result=" + result + " it lasted for " +
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(float) (mEndTimestampMillis - mStartTimestampMillis) / 1000f + "s");
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}
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}
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public void addMotionEvent(MotionEvent motionEvent) {
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TouchEvent event = motionEventToProto(motionEvent);
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mMotionEvents.add(event);
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}
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public void addSensorEvent(android.hardware.SensorEvent eventOrig, long systemTimeNanos) {
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SensorEvent event = sensorEventToProto(eventOrig, systemTimeNanos);
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mSensorEvents.add(event);
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}
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public void addPhoneEvent(int eventType, long systemTimeNanos) {
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PhoneEvent event = phoneEventToProto(eventType, systemTimeNanos);
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mPhoneEvents.add(event);
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}
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@Override
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public String toString() {
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final StringBuilder sb = new StringBuilder("Session{");
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sb.append("mStartTimestampMillis=").append(mStartTimestampMillis);
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sb.append(", mStartSystemTimeNanos=").append(mStartSystemTimeNanos);
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sb.append(", mEndTimestampMillis=").append(mEndTimestampMillis);
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sb.append(", mResult=").append(mResult);
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sb.append(", mTouchAreaHeight=").append(mTouchAreaHeight);
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sb.append(", mTouchAreaWidth=").append(mTouchAreaWidth);
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sb.append(", mMotionEvents=[size=").append(mMotionEvents.size()).append("]");
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sb.append(", mSensorEvents=[size=").append(mSensorEvents.size()).append("]");
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sb.append(", mPhoneEvents=[size=").append(mPhoneEvents.size()).append("]");
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sb.append('}');
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return sb.toString();
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}
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public Session toProto() {
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Session proto = new Session();
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proto.startTimestampMillis = mStartTimestampMillis;
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proto.durationMillis = mEndTimestampMillis - mStartTimestampMillis;
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proto.build = Build.FINGERPRINT;
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proto.deviceId = Build.DEVICE;
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proto.result = mResult;
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proto.type = mType;
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proto.sensorEvents = mSensorEvents.toArray(proto.sensorEvents);
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proto.touchEvents = mMotionEvents.toArray(proto.touchEvents);
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proto.phoneEvents = mPhoneEvents.toArray(proto.phoneEvents);
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proto.touchAreaWidth = mTouchAreaWidth;
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proto.touchAreaHeight = mTouchAreaHeight;
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return proto;
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}
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private PhoneEvent phoneEventToProto(int eventType, long sysTimeNanos) {
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PhoneEvent proto = new PhoneEvent();
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proto.type = eventType;
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proto.timeOffsetNanos = sysTimeNanos - mStartSystemTimeNanos;
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return proto;
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}
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private SensorEvent sensorEventToProto(android.hardware.SensorEvent ev, long sysTimeNanos) {
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SensorEvent proto = new SensorEvent();
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proto.type = ev.sensor.getType();
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proto.timeOffsetNanos = sysTimeNanos - mStartSystemTimeNanos;
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proto.timestamp = ev.timestamp;
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proto.values = ev.values.clone();
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return proto;
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}
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private TouchEvent motionEventToProto(MotionEvent ev) {
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int count = ev.getPointerCount();
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TouchEvent proto = new TouchEvent();
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proto.timeOffsetNanos = ev.getEventTimeNano() - mStartSystemTimeNanos;
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proto.action = ev.getActionMasked();
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proto.actionIndex = ev.getActionIndex();
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proto.pointers = new TouchEvent.Pointer[count];
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for (int i = 0; i < count; i++) {
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TouchEvent.Pointer p = new TouchEvent.Pointer();
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p.x = ev.getX(i);
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p.y = ev.getY(i);
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p.size = ev.getSize(i);
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p.pressure = ev.getPressure(i);
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p.id = ev.getPointerId(i);
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proto.pointers[i] = p;
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}
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return proto;
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}
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public void setTouchArea(int width, int height) {
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mTouchAreaWidth = width;
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mTouchAreaHeight = height;
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}
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public int getResult() {
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return mResult;
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}
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public long getStartTimestampMillis() {
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return mStartTimestampMillis;
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}
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}
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