Merge "Add brightness slider events to dumpsys."

    }

    public void dump(PrintWriter pw) {

        synchronized (mEventsLock) {

        pw.println("BrightnessTracker state:");

            pw.println("  mEvents.size=" + mEvents.size());

            pw.println("  mEventsDirty=" + mEventsDirty);

        }

        synchronized (mDataCollectionLock) {

            pw.println("  mLastSensorReadings.size=" + mLastSensorReadings.size());

            if (!mLastSensorReadings.isEmpty()) {

                pw.println("  mLastSensorReadings time span "

                        + mLastSensorReadings.peekFirst().timestamp + "->"

                        + mLastSensorReadings.peekLast().timestamp);

            }

        }

        synchronized (mEventsLock) {

            pw.println("  mEventsDirty=" + mEventsDirty);

            pw.println("  mEvents.size=" + mEvents.size());

            BrightnessChangeEvent[] events = mEvents.toArray();

            for (int i = 0; i < events.length; ++i) {

                pw.print("    " + events[i].timeStamp + ", " + events[i].userId);

                pw.print(", " + events[i].lastBrightness + "->" + events[i].brightness + ", {");

                for (int j = 0; j < events[i].luxValues.length; ++j){

                    if (j != 0) {

                        pw.print(", ");

                    }

                    pw.print("(" + events[i].luxValues[j] + "," + events[i].luxTimestamps[j] + ")");

                }

                pw.println("}");

            }

        }

    }