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pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

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wuggy 2026-04-08 15:43:25 -07:00
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mobile/android/base/java/org/mozilla/gecko/Telemetry.java Normal file
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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import org.mozilla.gecko.annotation.RobocopTarget;
import org.mozilla.gecko.annotation.WrapForJNI;
import org.mozilla.gecko.TelemetryContract.Event;
import org.mozilla.gecko.TelemetryContract.Method;
import org.mozilla.gecko.TelemetryContract.Reason;
import org.mozilla.gecko.TelemetryContract.Session;
import android.os.SystemClock;
import android.util.Log;
/**
* All telemetry times are relative to one of two clocks:
*
* * Real time since the device was booted, including deep sleep. Use this
* as a substitute for wall clock.
* * Uptime since the device was booted, excluding deep sleep. Use this to
* avoid timing a user activity when their phone is in their pocket!
*
* The majority of methods in this class are defined in terms of real time.
*/
@RobocopTarget
public class Telemetry {
private static final String LOGTAG = "Telemetry";
@WrapForJNI(stubName = "AddHistogram", dispatchTo = "gecko")
private static native void nativeAddHistogram(String name, int value);
@WrapForJNI(stubName = "AddKeyedHistogram", dispatchTo = "gecko")
private static native void nativeAddKeyedHistogram(String name, String key, int value);
@WrapForJNI(stubName = "StartUISession", dispatchTo = "gecko")
private static native void nativeStartUiSession(String name, long timestamp);
@WrapForJNI(stubName = "StopUISession", dispatchTo = "gecko")
private static native void nativeStopUiSession(String name, String reason, long timestamp);
@WrapForJNI(stubName = "AddUIEvent", dispatchTo = "gecko")
private static native void nativeAddUiEvent(String action, String method,
long timestamp, String extras);
public static long uptime() {
return SystemClock.uptimeMillis();
}
public static long realtime() {
return SystemClock.elapsedRealtime();
}
// Define new histograms in:
// toolkit/components/telemetry/Histograms.json
public static void addToHistogram(String name, int value) {
if (GeckoThread.isRunning()) {
nativeAddHistogram(name, value);
} else {
GeckoThread.queueNativeCall(Telemetry.class, "nativeAddHistogram",
String.class, name, value);
}
}
public static void addToKeyedHistogram(String name, String key, int value) {
if (GeckoThread.isRunning()) {
nativeAddKeyedHistogram(name, key, value);
} else {
GeckoThread.queueNativeCall(Telemetry.class, "nativeAddKeyedHistogram",
String.class, name, String.class, key, value);
}
}
public abstract static class Timer {
private final long mStartTime;
private final String mName;
private volatile boolean mHasFinished;
private volatile long mElapsed = -1;
protected abstract long now();
public Timer(String name) {
mName = name;
mStartTime = now();
}
public void cancel() {
mHasFinished = true;
}
public long getElapsed() {
return mElapsed;
}
public void stop() {
// Only the first stop counts.
if (mHasFinished) {
return;
}
mHasFinished = true;
final long elapsed = now() - mStartTime;
if (elapsed < 0) {
Log.e(LOGTAG, "Current time less than start time -- clock shenanigans?");
return;
}
mElapsed = elapsed;
if (elapsed > Integer.MAX_VALUE) {
Log.e(LOGTAG, "Duration of " + elapsed + "ms is too great to add to histogram.");
return;
}
addToHistogram(mName, (int) (elapsed));
}
}
public static class RealtimeTimer extends Timer {
public RealtimeTimer(String name) {
super(name);
}
@Override
protected long now() {
return Telemetry.realtime();
}
}
public static class UptimeTimer extends Timer {
public UptimeTimer(String name) {
super(name);
}
@Override
protected long now() {
return Telemetry.uptime();
}
}
public static void startUISession(final Session session, final String sessionNameSuffix) {
final String sessionName = getSessionName(session, sessionNameSuffix);
Log.d(LOGTAG, "StartUISession: " + sessionName);
if (GeckoThread.isRunning()) {
nativeStartUiSession(sessionName, realtime());
} else {
GeckoThread.queueNativeCall(Telemetry.class, "nativeStartUiSession",
String.class, sessionName, realtime());
}
}
public static void startUISession(final Session session) {
startUISession(session, null);
}
public static void stopUISession(final Session session, final String sessionNameSuffix,
final Reason reason) {
final String sessionName = getSessionName(session, sessionNameSuffix);
Log.d(LOGTAG, "StopUISession: " + sessionName + ", reason=" + reason);
if (GeckoThread.isRunning()) {
nativeStopUiSession(sessionName, reason.toString(), realtime());
} else {
GeckoThread.queueNativeCall(Telemetry.class, "nativeStopUiSession",
String.class, sessionName,
String.class, reason.toString(), realtime());
}
}
public static void stopUISession(final Session session, final Reason reason) {
stopUISession(session, null, reason);
}
public static void stopUISession(final Session session, final String sessionNameSuffix) {
stopUISession(session, sessionNameSuffix, Reason.NONE);
}
public static void stopUISession(final Session session) {
stopUISession(session, null, Reason.NONE);
}
private static String getSessionName(final Session session, final String sessionNameSuffix) {
if (sessionNameSuffix != null) {
return session.toString() + ":" + sessionNameSuffix;
} else {
return session.toString();
}
}
/**
* @param method A non-null method (if null is desired, consider using Method.NONE)
*/
private static void sendUIEvent(final String eventName, final Method method,
final long timestamp, final String extras) {
if (method == null) {
throw new IllegalArgumentException("Expected non-null method - use Method.NONE?");
}
if (!AppConstants.RELEASE_OR_BETA) {
final String logString = "SendUIEvent: event = " + eventName + " method = " + method + " timestamp = " +
timestamp + " extras = " + extras;
Log.d(LOGTAG, logString);
}
if (GeckoThread.isRunning()) {
nativeAddUiEvent(eventName, method.toString(), timestamp, extras);
} else {
GeckoThread.queueNativeCall(Telemetry.class, "nativeAddUiEvent",
String.class, eventName, String.class, method.toString(),
timestamp, String.class, extras);
}
}
public static void sendUIEvent(final Event event, final Method method, final long timestamp,
final String extras) {
sendUIEvent(event.toString(), method, timestamp, extras);
}
public static void sendUIEvent(final Event event, final Method method, final long timestamp) {
sendUIEvent(event, method, timestamp, null);
}
public static void sendUIEvent(final Event event, final Method method, final String extras) {
sendUIEvent(event, method, realtime(), extras);
}
public static void sendUIEvent(final Event event, final Method method) {
sendUIEvent(event, method, realtime(), null);
}
public static void sendUIEvent(final Event event) {
sendUIEvent(event, Method.NONE, realtime(), null);
}
/**
* Sends a UIEvent with the given status appended to the event name.
*
* This method is a slight bend of the Telemetry framework so chances
* are that you don't want to use this: please think really hard before you do.
*
* Intended for use with data policy notifications.
*/
public static void sendUIEvent(final Event event, final boolean eventStatus) {
final String eventName = event + ":" + eventStatus;
sendUIEvent(eventName, Method.NONE, realtime(), null);
}
}