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Commit 169571b3 authored by Kurt Partridge's avatar Kurt Partridge
Browse files

Record number of words entered 

This change records the number of words entered in every LogUnit.
This metric is helpful for determining how much multi-word gestures
and spaceless tapping is used.

Change-Id: I4c6d0f9d78e4ac2dd63fd53ed2ec70b368366f15
parent b1b21d4e

java/src/com/android/inputmethod/research/LogUnit.java

+10 −16
Original line number Diff line number Diff line
@@ -146,7 +146,8 @@ public class LogUnit { 
        if (size != 0) {

            // Note that jsonWriter is only set to a non-null value if the logUnit start text is

            // output and at least one logStatement is output.

            JsonWriter jsonWriter = null;

            JsonWriter jsonWriter = researchLog.getInitializedJsonWriterLocked();

            outputLogUnitStart(jsonWriter, canIncludePrivateData);

            for (int i = 0; i < size; i++) {

                final LogStatement logStatement = mLogStatementList.get(i);

                if (!canIncludePrivateData && logStatement.isPotentiallyPrivate()) {
@@ -155,42 +156,35 @@ public class LogUnit { 
                if (mIsPartOfMegaword && logStatement.isPotentiallyRevealing()) {

                    continue;

                }

                // Only retrieve the jsonWriter if we need to.  If we don't get this far, then

                // researchLog.getInitializedJsonWriterLocked() will not ever be called, and the

                // file will not have been opened for writing.

                if (jsonWriter == null) {

                    jsonWriter = researchLog.getInitializedJsonWriterLocked();

                    outputLogUnitStart(jsonWriter, canIncludePrivateData);

                }

                logStatement.outputToLocked(jsonWriter, mTimeList.get(i), mValuesList.get(i));

            }

            if (jsonWriter != null) {

                // We must have called logUnitStart earlier, so emit a logUnitStop.

            outputLogUnitStop(jsonWriter);

        }

    }

    }



    private static final String WORD_KEY = "_wo";

    private static final String NUM_WORDS_KEY = "_nw";

    private static final String CORRECTION_TYPE_KEY = "_corType";

    private static final String LOG_UNIT_BEGIN_KEY = "logUnitStart";

    private static final String LOG_UNIT_END_KEY = "logUnitEnd";



    final LogStatement LOGSTATEMENT_LOG_UNIT_BEGIN_WITH_PRIVATE_DATA =

            new LogStatement(LOG_UNIT_BEGIN_KEY, false /* isPotentiallyPrivate */,

                    false /* isPotentiallyRevealing */, WORD_KEY, CORRECTION_TYPE_KEY);

                    false /* isPotentiallyRevealing */, WORD_KEY, CORRECTION_TYPE_KEY,

                    NUM_WORDS_KEY);

    final LogStatement LOGSTATEMENT_LOG_UNIT_BEGIN_WITHOUT_PRIVATE_DATA =

            new LogStatement(LOG_UNIT_BEGIN_KEY, false /* isPotentiallyPrivate */,

                    false /* isPotentiallyRevealing */);

                    false /* isPotentiallyRevealing */, NUM_WORDS_KEY);

    private void outputLogUnitStart(final JsonWriter jsonWriter,

            final boolean canIncludePrivateData) {

        final LogStatement logStatement;

        if (canIncludePrivateData) {

            LOGSTATEMENT_LOG_UNIT_BEGIN_WITH_PRIVATE_DATA.outputToLocked(jsonWriter,

                    SystemClock.uptimeMillis(), getWordsAsString(), getCorrectionType());

                    SystemClock.uptimeMillis(), getWordsAsString(), getCorrectionType(),

                    getNumWords());

        } else {

            LOGSTATEMENT_LOG_UNIT_BEGIN_WITHOUT_PRIVATE_DATA.outputToLocked(jsonWriter,

                    SystemClock.uptimeMillis());

                    SystemClock.uptimeMillis(), getNumWords());

        }

    }