diff options
Diffstat (limited to 'java/src/com/android/inputmethod/research/ResearchLogger.java')
| -rw-r--r-- | java/src/com/android/inputmethod/research/ResearchLogger.java | 876 |
1 files changed, 442 insertions, 434 deletions
diff --git a/java/src/com/android/inputmethod/research/ResearchLogger.java b/java/src/com/android/inputmethod/research/ResearchLogger.java index cf6f31a0a..5c2487195 100644 --- a/java/src/com/android/inputmethod/research/ResearchLogger.java +++ b/java/src/com/android/inputmethod/research/ResearchLogger.java @@ -18,11 +18,14 @@ package com.android.inputmethod.research; import static com.android.inputmethod.latin.Constants.Subtype.ExtraValue.KEYBOARD_LAYOUT_SET; +import android.app.AlarmManager; import android.app.AlertDialog; import android.app.Dialog; +import android.app.PendingIntent; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnCancelListener; +import android.content.Intent; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; import android.content.pm.PackageInfo; @@ -32,28 +35,30 @@ import android.graphics.Color; import android.graphics.Paint; import android.graphics.Paint.Style; import android.inputmethodservice.InputMethodService; +import android.net.Uri; import android.os.Build; import android.os.IBinder; +import android.os.SystemClock; import android.text.TextUtils; import android.text.format.DateUtils; import android.util.Log; +import android.view.KeyEvent; import android.view.MotionEvent; -import android.view.View; -import android.view.View.OnClickListener; import android.view.Window; import android.view.WindowManager; import android.view.inputmethod.CompletionInfo; +import android.view.inputmethod.CorrectionInfo; import android.view.inputmethod.EditorInfo; import android.view.inputmethod.InputConnection; -import android.widget.Button; import android.widget.Toast; import com.android.inputmethod.keyboard.Key; import com.android.inputmethod.keyboard.Keyboard; import com.android.inputmethod.keyboard.KeyboardId; -import com.android.inputmethod.keyboard.KeyboardSwitcher; import com.android.inputmethod.keyboard.KeyboardView; import com.android.inputmethod.keyboard.MainKeyboardView; +import com.android.inputmethod.latin.CollectionUtils; +import com.android.inputmethod.latin.Constants; import com.android.inputmethod.latin.Dictionary; import com.android.inputmethod.latin.LatinIME; import com.android.inputmethod.latin.R; @@ -64,11 +69,8 @@ import com.android.inputmethod.latin.SuggestedWords; import com.android.inputmethod.latin.define.ProductionFlag; import java.io.File; -import java.io.IOException; import java.text.SimpleDateFormat; -import java.util.ArrayList; import java.util.Date; -import java.util.List; import java.util.Locale; import java.util.UUID; @@ -94,24 +96,26 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang new SimpleDateFormat("yyyyMMddHHmmssS", Locale.US); private static final boolean IS_SHOWING_INDICATOR = true; private static final boolean IS_SHOWING_INDICATOR_CLEARLY = false; + public static final int FEEDBACK_WORD_BUFFER_SIZE = 5; // constants related to specific log points private static final String WHITESPACE_SEPARATORS = " \t\n\r"; private static final int MAX_INPUTVIEW_LENGTH_TO_CAPTURE = 8192; // must be >=1 private static final String PREF_RESEARCH_LOGGER_UUID_STRING = "pref_research_logger_uuid"; - private static final int ABORT_TIMEOUT_IN_MS = 10 * 1000; // timeout to notify user private static final ResearchLogger sInstance = new ResearchLogger(); // to write to a different filename, e.g., for testing, set mFile before calling start() /* package */ File mFilesDir; /* package */ String mUUIDString; /* package */ ResearchLog mMainResearchLog; - // The mIntentionalResearchLog records all events for the session, private or not (excepting + // mFeedbackLog records all events for the session, private or not (excepting // passwords). It is written to permanent storage only if the user explicitly commands // the system to do so. - /* package */ ResearchLog mIntentionalResearchLog; - // LogUnits are queued here and released only when the user requests the intentional log. - private List<LogUnit> mIntentionalResearchLogQueue = new ArrayList<LogUnit>(); + // LogUnits are queued in the LogBuffers and published to the ResearchLogs when words are + // complete. + /* package */ ResearchLog mFeedbackLog; + /* package */ MainLogBuffer mMainLogBuffer; + /* package */ LogBuffer mFeedbackLogBuffer; private boolean mIsPasswordView = false; private boolean mIsLoggingSuspended = false; @@ -133,20 +137,24 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang // used to check whether words are not unique private Suggest mSuggest; private Dictionary mDictionary; - private KeyboardSwitcher mKeyboardSwitcher; + private MainKeyboardView mMainKeyboardView; private InputMethodService mInputMethodService; + private final Statistics mStatistics; - private ResearchLogUploader mResearchLogUploader; + private Intent mUploadIntent; + private PendingIntent mUploadPendingIntent; + + private LogUnit mCurrentLogUnit = new LogUnit(); private ResearchLogger() { + mStatistics = Statistics.getInstance(); } public static ResearchLogger getInstance() { return sInstance; } - public void init(final InputMethodService ims, final SharedPreferences prefs, - KeyboardSwitcher keyboardSwitcher) { + public void init(final InputMethodService ims, final SharedPreferences prefs) { assert ims != null; if (ims == null) { Log.w(TAG, "IMS is null; logging is off"); @@ -176,11 +184,33 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang e.apply(); } } - mResearchLogUploader = new ResearchLogUploader(ims, mFilesDir); - mResearchLogUploader.start(); - mKeyboardSwitcher = keyboardSwitcher; mInputMethodService = ims; mPrefs = prefs; + mUploadIntent = new Intent(mInputMethodService, UploaderService.class); + mUploadPendingIntent = PendingIntent.getService(mInputMethodService, 0, mUploadIntent, 0); + + if (ProductionFlag.IS_EXPERIMENTAL) { + scheduleUploadingService(mInputMethodService); + } + } + + /** + * Arrange for the UploaderService to be run on a regular basis. + * + * Any existing scheduled invocation of UploaderService is removed and rescheduled. This may + * cause problems if this method is called often and frequent updates are required, but since + * the user will likely be sleeping at some point, if the interval is less that the expected + * sleep duration and this method is not called during that time, the service should be invoked + * at some point. + */ + public static void scheduleUploadingService(Context context) { + final Intent intent = new Intent(context, UploaderService.class); + final PendingIntent pendingIntent = PendingIntent.getService(context, 0, intent, 0); + final AlarmManager manager = + (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); + manager.cancel(pendingIntent); + manager.setInexactRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, + UploaderService.RUN_INTERVAL, UploaderService.RUN_INTERVAL, pendingIntent); } private void cleanupLoggingDir(final File dir, final long time) { @@ -192,10 +222,15 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang } } - public void mainKeyboardView_onAttachedToWindow() { + public void mainKeyboardView_onAttachedToWindow(final MainKeyboardView mainKeyboardView) { + mMainKeyboardView = mainKeyboardView; maybeShowSplashScreen(); } + public void mainKeyboardView_onDetachedFromWindow() { + mMainKeyboardView = null; + } + private boolean hasSeenSplash() { return mPrefs.getBoolean(PREF_RESEARCH_HAS_SEEN_SPLASH, false); } @@ -209,54 +244,71 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang if (mSplashDialog != null && mSplashDialog.isShowing()) { return; } - final IBinder windowToken = mKeyboardSwitcher.getMainKeyboardView().getWindowToken(); + final IBinder windowToken = mMainKeyboardView != null + ? mMainKeyboardView.getWindowToken() : null; if (windowToken == null) { return; } - mSplashDialog = new Dialog(mInputMethodService, android.R.style.Theme_Holo_Dialog); - mSplashDialog.requestWindowFeature(Window.FEATURE_NO_TITLE); - mSplashDialog.setContentView(R.layout.research_splash); - mSplashDialog.setCancelable(true); + final AlertDialog.Builder builder = new AlertDialog.Builder(mInputMethodService) + .setTitle(R.string.research_splash_title) + .setMessage(R.string.research_splash_content) + .setPositiveButton(android.R.string.yes, + new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + onUserLoggingConsent(); + mSplashDialog.dismiss(); + } + }) + .setNegativeButton(android.R.string.no, + new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + final String packageName = mInputMethodService.getPackageName(); + final Uri packageUri = Uri.parse("package:" + packageName); + final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, + packageUri); + intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + mInputMethodService.startActivity(intent); + } + }) + .setCancelable(true) + .setOnCancelListener( + new OnCancelListener() { + @Override + public void onCancel(DialogInterface dialog) { + mInputMethodService.requestHideSelf(0); + } + }); + mSplashDialog = builder.create(); final Window w = mSplashDialog.getWindow(); final WindowManager.LayoutParams lp = w.getAttributes(); lp.token = windowToken; lp.type = WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG; w.setAttributes(lp); w.addFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM); - mSplashDialog.setOnCancelListener(new OnCancelListener() { - @Override - public void onCancel(DialogInterface dialog) { - mInputMethodService.requestHideSelf(0); - } - }); - final Button doNotLogButton = (Button) mSplashDialog.findViewById( - R.id.research_do_not_log_button); - doNotLogButton.setOnClickListener(new OnClickListener() { - @Override - public void onClick(View v) { - onUserLoggingElection(false); - mSplashDialog.dismiss(); - } - }); - final Button doLogButton = (Button) mSplashDialog.findViewById(R.id.research_do_log_button); - doLogButton.setOnClickListener(new OnClickListener() { - @Override - public void onClick(View v) { - onUserLoggingElection(true); - mSplashDialog.dismiss(); - } - }); mSplashDialog.show(); } - public void onUserLoggingElection(final boolean enableLogging) { - setLoggingAllowed(enableLogging); + public void onUserLoggingConsent() { + setLoggingAllowed(true); if (mPrefs == null) { return; } final Editor e = mPrefs.edit(); e.putBoolean(PREF_RESEARCH_HAS_SEEN_SPLASH, true); e.apply(); + restart(); + } + + private void setLoggingAllowed(boolean enableLogging) { + if (mPrefs == null) { + return; + } + Editor e = mPrefs.edit(); + e.putBoolean(PREF_USABILITY_STUDY_MODE, enableLogging); + e.apply(); + sIsLogging = enableLogging; } private File createLogFile(File filesDir) { @@ -268,10 +320,35 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang return new File(filesDir, sb.toString()); } + private void checkForEmptyEditor() { + if (mInputMethodService == null) { + return; + } + final InputConnection ic = mInputMethodService.getCurrentInputConnection(); + if (ic == null) { + return; + } + final CharSequence textBefore = ic.getTextBeforeCursor(1, 0); + if (!TextUtils.isEmpty(textBefore)) { + mStatistics.setIsEmptyUponStarting(false); + return; + } + final CharSequence textAfter = ic.getTextAfterCursor(1, 0); + if (!TextUtils.isEmpty(textAfter)) { + mStatistics.setIsEmptyUponStarting(false); + return; + } + if (textBefore != null && textAfter != null) { + mStatistics.setIsEmptyUponStarting(true); + } + } + private void start() { maybeShowSplashScreen(); updateSuspendedState(); requestIndicatorRedraw(); + mStatistics.reset(); + checkForEmptyEditor(); if (!isAllowedToLog()) { // Log.w(TAG, "not in usability mode; not logging"); return; @@ -280,73 +357,58 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang Log.w(TAG, "IME storage directory does not exist. Cannot start logging."); return; } - try { - if (mMainResearchLog == null || !mMainResearchLog.isAlive()) { - mMainResearchLog = new ResearchLog(createLogFile(mFilesDir)); - } - mMainResearchLog.start(); - if (mIntentionalResearchLog == null || !mIntentionalResearchLog.isAlive()) { - mIntentionalResearchLog = new ResearchLog(createLogFile(mFilesDir)); - } - mIntentionalResearchLog.start(); - } catch (IOException e) { - Log.w(TAG, "Could not start ResearchLogger."); + if (mMainLogBuffer == null) { + mMainResearchLog = new ResearchLog(createLogFile(mFilesDir)); + mMainLogBuffer = new MainLogBuffer(mMainResearchLog); + mMainLogBuffer.setSuggest(mSuggest); + } + if (mFeedbackLogBuffer == null) { + mFeedbackLog = new ResearchLog(createLogFile(mFilesDir)); + // LogBuffer is one more than FEEDBACK_WORD_BUFFER_SIZE, because it must also hold + // the feedback LogUnit itself. + mFeedbackLogBuffer = new LogBuffer(FEEDBACK_WORD_BUFFER_SIZE + 1); } } /* package */ void stop() { - if (mMainResearchLog != null) { - mMainResearchLog.stop(); - } - if (mIntentionalResearchLog != null) { - mIntentionalResearchLog.stop(); - } - } + logStatistics(); + commitCurrentLogUnit(); - private void setLoggingAllowed(boolean enableLogging) { - if (mPrefs == null) { - return; + if (mMainLogBuffer != null) { + publishLogBuffer(mMainLogBuffer, mMainResearchLog, false /* isIncludingPrivateData */); + mMainResearchLog.close(); + mMainLogBuffer = null; + } + if (mFeedbackLogBuffer != null) { + mFeedbackLog.close(); + mFeedbackLogBuffer = null; } - Editor e = mPrefs.edit(); - e.putBoolean(PREF_USABILITY_STUDY_MODE, enableLogging); - e.apply(); - sIsLogging = enableLogging; } public boolean abort() { boolean didAbortMainLog = false; - if (mMainResearchLog != null) { - mMainResearchLog.abort(); + if (mMainLogBuffer != null) { + mMainLogBuffer.clear(); try { - mMainResearchLog.waitUntilStopped(ABORT_TIMEOUT_IN_MS); + didAbortMainLog = mMainResearchLog.blockingAbort(); } catch (InterruptedException e) { - // interrupted early. carry on. + // Don't know whether this succeeded or not. We assume not; this is reported + // to the caller. } - if (mMainResearchLog.isAbortSuccessful()) { - didAbortMainLog = true; - } - mMainResearchLog = null; + mMainLogBuffer = null; } - boolean didAbortIntentionalLog = false; - if (mIntentionalResearchLog != null) { - mIntentionalResearchLog.abort(); + boolean didAbortFeedbackLog = false; + if (mFeedbackLogBuffer != null) { + mFeedbackLogBuffer.clear(); try { - mIntentionalResearchLog.waitUntilStopped(ABORT_TIMEOUT_IN_MS); + didAbortFeedbackLog = mFeedbackLog.blockingAbort(); } catch (InterruptedException e) { - // interrupted early. carry on. - } - if (mIntentionalResearchLog.isAbortSuccessful()) { - didAbortIntentionalLog = true; + // Don't know whether this succeeded or not. We assume not; this is reported + // to the caller. } - mIntentionalResearchLog = null; - } - return didAbortMainLog && didAbortIntentionalLog; - } - - /* package */ void flush() { - if (mMainResearchLog != null) { - mMainResearchLog.flush(); + mFeedbackLogBuffer = null; } + return didAbortMainLog && didAbortFeedbackLog; } private void restart() { @@ -387,14 +449,22 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang abort(); } requestIndicatorRedraw(); + mPrefs = prefs; + prefsChanged(prefs); } - public void presentResearchDialog(final LatinIME latinIME) { + public void onResearchKeySelected(final LatinIME latinIME) { if (mInFeedbackDialog) { Toast.makeText(latinIME, R.string.research_please_exit_feedback_form, Toast.LENGTH_LONG).show(); return; } + presentFeedbackDialog(latinIME); + } + + // TODO: currently unreachable. Remove after being sure no menu is needed. + /* + public void presentResearchDialog(final LatinIME latinIME) { final CharSequence title = latinIME.getString(R.string.english_ime_research_log); final boolean showEnable = mIsLoggingSuspended || !sIsLogging; final CharSequence[] items = new CharSequence[] { @@ -411,28 +481,7 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang presentFeedbackDialog(latinIME); break; case 1: - if (showEnable) { - if (!sIsLogging) { - setLoggingAllowed(true); - } - resumeLogging(); - Toast.makeText(latinIME, - R.string.research_notify_session_logging_enabled, - Toast.LENGTH_LONG).show(); - } else { - Toast toast = Toast.makeText(latinIME, - R.string.research_notify_session_log_deleting, - Toast.LENGTH_LONG); - toast.show(); - boolean isLogDeleted = abort(); - final long currentTime = System.currentTimeMillis(); - final long resumeTime = currentTime + 1000 * 60 * - SUSPEND_DURATION_IN_MINUTES; - suspendLoggingUntil(resumeTime); - toast.cancel(); - Toast.makeText(latinIME, R.string.research_notify_logging_suspended, - Toast.LENGTH_LONG).show(); - } + enableOrDisable(showEnable, latinIME); break; } } @@ -443,6 +492,7 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang .setTitle(title); latinIME.showOptionDialog(builder.create()); } + */ private boolean mInFeedbackDialog = false; public void presentFeedbackDialog(LatinIME latinIME) { @@ -450,79 +500,73 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang latinIME.launchKeyboardedDialogActivity(FeedbackActivity.class); } - private ResearchLog mFeedbackLog; - private List<LogUnit> mFeedbackQueue; - private ResearchLog mSavedMainResearchLog; - private ResearchLog mSavedIntentionalResearchLog; - private List<LogUnit> mSavedIntentionalResearchLogQueue; - - private void saveLogsForFeedback() { - mFeedbackLog = mIntentionalResearchLog; - if (mIntentionalResearchLogQueue != null) { - mFeedbackQueue = new ArrayList<LogUnit>(mIntentionalResearchLogQueue); + // TODO: currently unreachable. Remove after being sure enable/disable is + // not needed. + /* + public void enableOrDisable(final boolean showEnable, final LatinIME latinIME) { + if (showEnable) { + if (!sIsLogging) { + setLoggingAllowed(true); + } + resumeLogging(); + Toast.makeText(latinIME, + R.string.research_notify_session_logging_enabled, + Toast.LENGTH_LONG).show(); } else { - mFeedbackQueue = null; + Toast toast = Toast.makeText(latinIME, + R.string.research_notify_session_log_deleting, + Toast.LENGTH_LONG); + toast.show(); + boolean isLogDeleted = abort(); + final long currentTime = System.currentTimeMillis(); + final long resumeTime = currentTime + 1000 * 60 * + SUSPEND_DURATION_IN_MINUTES; + suspendLoggingUntil(resumeTime); + toast.cancel(); + Toast.makeText(latinIME, R.string.research_notify_logging_suspended, + Toast.LENGTH_LONG).show(); } - mSavedMainResearchLog = mMainResearchLog; - mSavedIntentionalResearchLog = mIntentionalResearchLog; - mSavedIntentionalResearchLogQueue = mIntentionalResearchLogQueue; - - mMainResearchLog = null; - mIntentionalResearchLog = null; - mIntentionalResearchLogQueue = new ArrayList<LogUnit>(); } + */ - private static final int LOG_DRAIN_TIMEOUT_IN_MS = 1000 * 5; + private static final String[] EVENTKEYS_FEEDBACK = { + "UserTimestamp", "contents" + }; public void sendFeedback(final String feedbackContents, final boolean includeHistory) { - if (includeHistory && mFeedbackLog != null) { - try { - LogUnit headerLogUnit = new LogUnit(); - headerLogUnit.addLogAtom(EVENTKEYS_INTENTIONAL_LOG, EVENTKEYS_NULLVALUES, false); - mFeedbackLog.publishAllEvents(headerLogUnit); - for (LogUnit logUnit : mFeedbackQueue) { - mFeedbackLog.publishAllEvents(logUnit); - } - userFeedback(mFeedbackLog, feedbackContents); - mFeedbackLog.stop(); - try { - mFeedbackLog.waitUntilStopped(LOG_DRAIN_TIMEOUT_IN_MS); - } catch (InterruptedException e) { - e.printStackTrace(); - } - mIntentionalResearchLog = new ResearchLog(createLogFile(mFilesDir)); - mIntentionalResearchLog.start(); - } catch (IOException e) { - e.printStackTrace(); - } finally { - mIntentionalResearchLogQueue.clear(); - } - mResearchLogUploader.uploadNow(null); + if (mFeedbackLogBuffer == null) { + return; + } + if (includeHistory) { + commitCurrentLogUnit(); } else { - // create a separate ResearchLog just for feedback - final ResearchLog feedbackLog = new ResearchLog(createLogFile(mFilesDir)); - try { - feedbackLog.start(); - userFeedback(feedbackLog, feedbackContents); - feedbackLog.stop(); - feedbackLog.waitUntilStopped(LOG_DRAIN_TIMEOUT_IN_MS); - mResearchLogUploader.uploadNow(null); - } catch (IOException e) { - e.printStackTrace(); - } catch (InterruptedException e) { - e.printStackTrace(); - } + mFeedbackLogBuffer.clear(); } + final LogUnit feedbackLogUnit = new LogUnit(); + final Object[] values = { + feedbackContents + }; + feedbackLogUnit.addLogStatement(EVENTKEYS_FEEDBACK, values, + false /* isPotentiallyPrivate */); + mFeedbackLogBuffer.shiftIn(feedbackLogUnit); + publishLogBuffer(mFeedbackLogBuffer, mFeedbackLog, true /* isIncludingPrivateData */); + mFeedbackLog.close(); + uploadNow(); + mFeedbackLog = new ResearchLog(createLogFile(mFilesDir)); + } + + public void uploadNow() { + mInputMethodService.startService(mUploadIntent); } public void onLeavingSendFeedbackDialog() { mInFeedbackDialog = false; - mMainResearchLog = mSavedMainResearchLog; - mIntentionalResearchLog = mSavedIntentionalResearchLog; - mIntentionalResearchLogQueue = mSavedIntentionalResearchLogQueue; } public void initSuggest(Suggest suggest) { mSuggest = suggest; + if (mMainLogBuffer != null) { + mMainLogBuffer.setSuggest(mSuggest); + } } private void setIsPasswordView(boolean isPasswordView) { @@ -530,21 +574,17 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang } private boolean isAllowedToLog() { - return !mIsPasswordView && !mIsLoggingSuspended && sIsLogging; + return !mIsPasswordView && !mIsLoggingSuspended && sIsLogging && !mInFeedbackDialog; } public void requestIndicatorRedraw() { if (!IS_SHOWING_INDICATOR) { return; } - if (mKeyboardSwitcher == null) { - return; - } - final KeyboardView mainKeyboardView = mKeyboardSwitcher.getMainKeyboardView(); - if (mainKeyboardView == null) { + if (mMainKeyboardView == null) { return; } - mainKeyboardView.invalidateAllKeys(); + mMainKeyboardView.invalidateAllKeys(); } @@ -577,13 +617,8 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang } } - private static final String CURRENT_TIME_KEY = "_ct"; - private static final String UPTIME_KEY = "_ut"; - private static final String EVENT_TYPE_KEY = "_ty"; private static final Object[] EVENTKEYS_NULLVALUES = {}; - private LogUnit mCurrentLogUnit = new LogUnit(); - /** * Buffer a research log event, flagging it as privacy-sensitive. * @@ -599,10 +634,14 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang final Object[] values) { assert values.length + 1 == keys.length; if (isAllowedToLog()) { - mCurrentLogUnit.addLogAtom(keys, values, true); + mCurrentLogUnit.addLogStatement(keys, values, true /* isPotentiallyPrivate */); } } + private void setCurrentLogUnitContainsDigitFlag() { + mCurrentLogUnit.setContainsDigit(); + } + /** * Buffer a research log event, flaggint it as not privacy-sensitive. * @@ -618,139 +657,54 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang private synchronized void enqueueEvent(final String[] keys, final Object[] values) { assert values.length + 1 == keys.length; if (isAllowedToLog()) { - mCurrentLogUnit.addLogAtom(keys, values, false); + mCurrentLogUnit.addLogStatement(keys, values, false /* isPotentiallyPrivate */); } } - // Used to track how often words are logged. Too-frequent logging can leak - // semantics, disclosing private data. - /* package for test */ static class LoggingFrequencyState { - private static final int DEFAULT_WORD_LOG_FREQUENCY = 10; - private int mWordsRemainingToSkip; - private final int mFrequency; - - /** - * Tracks how often words may be uploaded. - * - * @param frequency 1=Every word, 2=Every other word, etc. - */ - public LoggingFrequencyState(int frequency) { - mFrequency = frequency; - mWordsRemainingToSkip = mFrequency; - } - - public void onWordLogged() { - mWordsRemainingToSkip = mFrequency; - } - - public void onWordNotLogged() { - if (mWordsRemainingToSkip > 1) { - mWordsRemainingToSkip--; + /* package for test */ void commitCurrentLogUnit() { + if (!mCurrentLogUnit.isEmpty()) { + if (mMainLogBuffer != null) { + mMainLogBuffer.shiftIn(mCurrentLogUnit); + if (mMainLogBuffer.isSafeToLog() && mMainResearchLog != null) { + publishLogBuffer(mMainLogBuffer, mMainResearchLog, + true /* isIncludingPrivateData */); + mMainLogBuffer.resetWordCounter(); + } } + if (mFeedbackLogBuffer != null) { + mFeedbackLogBuffer.shiftIn(mCurrentLogUnit); + } + mCurrentLogUnit = new LogUnit(); + Log.d(TAG, "commitCurrentLogUnit"); } + } - public boolean isSafeToLog() { - return mWordsRemainingToSkip <= 1; + /* package for test */ void publishLogBuffer(final LogBuffer logBuffer, + final ResearchLog researchLog, final boolean isIncludingPrivateData) { + LogUnit logUnit; + while ((logUnit = logBuffer.shiftOut()) != null) { + researchLog.publish(logUnit, isIncludingPrivateData); } } - /* package for test */ LoggingFrequencyState mLoggingFrequencyState = - new LoggingFrequencyState(LoggingFrequencyState.DEFAULT_WORD_LOG_FREQUENCY); - - /* package for test */ boolean isPrivacyThreat(String word) { - // Current checks: - // - Word not in dictionary - // - Word contains numbers - // - Privacy-safe word not logged recently - if (TextUtils.isEmpty(word)) { - return false; - } - if (!mLoggingFrequencyState.isSafeToLog()) { - return true; - } + private boolean hasOnlyLetters(final String word) { final int length = word.length(); - boolean hasLetter = false; for (int i = 0; i < length; i = word.offsetByCodePoints(i, 1)) { - final int codePoint = Character.codePointAt(word, i); - if (Character.isDigit(codePoint)) { - return true; - } - if (Character.isLetter(codePoint)) { - hasLetter = true; - break; // Word may contain digits, but will only be allowed if in the dictionary. - } - } - if (hasLetter) { - if (mDictionary == null && mSuggest != null && mSuggest.hasMainDictionary()) { - mDictionary = mSuggest.getMainDictionary(); - } - if (mDictionary == null) { - // Can't access dictionary. Assume privacy threat. - return true; + final int codePoint = word.codePointAt(i); + if (!Character.isLetter(codePoint)) { + return false; } - return !(mDictionary.isValidWord(word)); - } - // No letters, no numbers. Punctuation, space, or something else. - return false; - } - - private void onWordComplete(String word) { - if (isPrivacyThreat(word)) { - publishLogUnit(mCurrentLogUnit, true); - mLoggingFrequencyState.onWordNotLogged(); - } else { - publishLogUnit(mCurrentLogUnit, false); - mLoggingFrequencyState.onWordLogged(); } - mCurrentLogUnit = new LogUnit(); + return true; } - private void publishLogUnit(LogUnit logUnit, boolean isPrivacySensitive) { - if (!isAllowedToLog()) { - return; - } - if (mMainResearchLog == null) { - return; - } - if (isPrivacySensitive) { - mMainResearchLog.publishPublicEvents(logUnit); - } else { - mMainResearchLog.publishAllEvents(logUnit); - } - mIntentionalResearchLogQueue.add(logUnit); - } - - /* package */ void publishCurrentLogUnit(ResearchLog researchLog, boolean isPrivacySensitive) { - publishLogUnit(mCurrentLogUnit, isPrivacySensitive); - } - - static class LogUnit { - private final List<String[]> mKeysList = new ArrayList<String[]>(); - private final List<Object[]> mValuesList = new ArrayList<Object[]>(); - private final List<Boolean> mIsPotentiallyPrivate = new ArrayList<Boolean>(); - - private void addLogAtom(final String[] keys, final Object[] values, - final Boolean isPotentiallyPrivate) { - mKeysList.add(keys); - mValuesList.add(values); - mIsPotentiallyPrivate.add(isPotentiallyPrivate); - } - - public void publishPublicEventsTo(ResearchLog researchLog) { - final int size = mKeysList.size(); - for (int i = 0; i < size; i++) { - if (!mIsPotentiallyPrivate.get(i)) { - researchLog.outputEvent(mKeysList.get(i), mValuesList.get(i)); - } - } - } - - public void publishAllEventsTo(ResearchLog researchLog) { - final int size = mKeysList.size(); - for (int i = 0; i < size; i++) { - researchLog.outputEvent(mKeysList.get(i), mValuesList.get(i)); - } + private void onWordComplete(final String word) { + Log.d(TAG, "onWordComplete: " + word); + if (word != null && word.length() > 0 && hasOnlyLetters(word)) { + mCurrentLogUnit.setWord(word); + mStatistics.recordWordEntered(); } + commitCurrentLogUnit(); } private static int scrubDigitFromCodePoint(int codePoint) { @@ -803,12 +757,6 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang return WORD_REPLACEMENT_STRING; } - // Special methods related to startup, shutdown, logging itself - - private static final String[] EVENTKEYS_INTENTIONAL_LOG = { - "IntentionalLog" - }; - private static final String[] EVENTKEYS_LATINIME_ONSTARTINPUTVIEWINTERNAL = { "LatinIMEOnStartInputViewInternal", "uuid", "packageName", "inputType", "imeOptions", "fieldId", "display", "model", "prefs", "versionCode", "versionName", "outputFormatVersion" @@ -816,9 +764,6 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang public static void latinIME_onStartInputViewInternal(final EditorInfo editorInfo, final SharedPreferences prefs) { final ResearchLogger researchLogger = getInstance(); - if (researchLogger.mInFeedbackDialog) { - researchLogger.saveLogsForFeedback(); - } researchLogger.start(); if (editorInfo != null) { final Context context = researchLogger.mInputMethodService; @@ -846,32 +791,19 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang stop(); } - private static final String[] EVENTKEYS_LATINIME_COMMITTEXT = { - "LatinIMECommitText", "typedWord" - }; - - public static void latinIME_commitText(final CharSequence typedWord) { - final String scrubbedWord = scrubDigitsFromString(typedWord.toString()); - final Object[] values = { - scrubbedWord - }; - final ResearchLogger researchLogger = getInstance(); - researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_COMMITTEXT, values); - researchLogger.onWordComplete(scrubbedWord); - } - private static final String[] EVENTKEYS_USER_FEEDBACK = { "UserFeedback", "FeedbackContents" }; - private void userFeedback(ResearchLog researchLog, String feedbackContents) { - // this method is special; it directs the feedbackContents to a particular researchLog - final LogUnit logUnit = new LogUnit(); + private static final String[] EVENTKEYS_PREFS_CHANGED = { + "PrefsChanged", "prefs" + }; + public static void prefsChanged(final SharedPreferences prefs) { + final ResearchLogger researchLogger = getInstance(); final Object[] values = { - feedbackContents + prefs }; - logUnit.addLogAtom(EVENTKEYS_USER_FEEDBACK, values, false); - researchLog.publishAllEvents(logUnit); + researchLogger.enqueueEvent(EVENTKEYS_PREFS_CHANGED, values); } // Regular logging methods @@ -908,51 +840,16 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang "LatinIMEOnCodeInput", "code", "x", "y" }; public static void latinIME_onCodeInput(final int code, final int x, final int y) { - final Object[] values = { - Keyboard.printableCode(scrubDigitFromCodePoint(code)), x, y - }; - getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_ONCODEINPUT, values); - } - - private static final String[] EVENTKEYS_CORRECTION = { - "LogCorrection", "subgroup", "before", "after", "position" - }; - public static void logCorrection(final String subgroup, final String before, final String after, - final int position) { - final Object[] values = { - subgroup, scrubDigitsFromString(before), scrubDigitsFromString(after), position - }; - getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_CORRECTION, values); - } - - private static final String[] EVENTKEYS_LATINIME_COMMITCURRENTAUTOCORRECTION = { - "LatinIMECommitCurrentAutoCorrection", "typedWord", "autoCorrection" - }; - public static void latinIME_commitCurrentAutoCorrection(final String typedWord, - final String autoCorrection) { - final Object[] values = { - scrubDigitsFromString(typedWord), scrubDigitsFromString(autoCorrection) - }; + final long time = SystemClock.uptimeMillis(); final ResearchLogger researchLogger = getInstance(); - researchLogger.enqueuePotentiallyPrivateEvent( - EVENTKEYS_LATINIME_COMMITCURRENTAUTOCORRECTION, values); - } - - private static final String[] EVENTKEYS_LATINIME_DELETESURROUNDINGTEXT = { - "LatinIMEDeleteSurroundingText", "length" - }; - public static void latinIME_deleteSurroundingText(final int length) { final Object[] values = { - length + Keyboard.printableCode(scrubDigitFromCodePoint(code)), x, y }; - getInstance().enqueueEvent(EVENTKEYS_LATINIME_DELETESURROUNDINGTEXT, values); - } - - private static final String[] EVENTKEYS_LATINIME_DOUBLESPACEAUTOPERIOD = { - "LatinIMEDoubleSpaceAutoPeriod" - }; - public static void latinIME_doubleSpaceAutoPeriod() { - getInstance().enqueueEvent(EVENTKEYS_LATINIME_DOUBLESPACEAUTOPERIOD, EVENTKEYS_NULLVALUES); + researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_ONCODEINPUT, values); + if (Character.isDigit(code)) { + researchLogger.setCurrentLogUnitContainsDigitFlag(); + } + researchLogger.mStatistics.recordChar(code, time); } private static final String[] EVENTKEYS_LATINIME_ONDISPLAYCOMPLETIONS = { @@ -979,6 +876,10 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang public static void latinIME_onWindowHidden(final int savedSelectionStart, final int savedSelectionEnd, final InputConnection ic) { if (ic != null) { + // Capture the TextView contents. This will trigger onUpdateSelection(), so we + // set sLatinIMEExpectingUpdateSelection so that when onUpdateSelection() is called, + // it can tell that it was generated by the logging code, and not by the user, and + // therefore keep user-visible state as is. ic.beginBatchEdit(); ic.performContextMenuAction(android.R.id.selectAll); CharSequence charSequence = ic.getSelectedText(0); @@ -1013,9 +914,7 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang } final ResearchLogger researchLogger = getInstance(); researchLogger.enqueueEvent(EVENTKEYS_LATINIME_ONWINDOWHIDDEN, values); - // Play it safe. Remove privacy-sensitive events. - researchLogger.publishLogUnit(researchLogger.mCurrentLogUnit, true); - researchLogger.mCurrentLogUnit = new LogUnit(); + researchLogger.commitCurrentLogUnit(); getInstance().stop(); } } @@ -1048,37 +947,15 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_ONUPDATESELECTION, values); } - private static final String[] EVENTKEYS_LATINIME_PERFORMEDITORACTION = { - "LatinIMEPerformEditorAction", "imeActionNext" - }; - public static void latinIME_performEditorAction(final int imeActionNext) { - final Object[] values = { - imeActionNext - }; - getInstance().enqueueEvent(EVENTKEYS_LATINIME_PERFORMEDITORACTION, values); - } - - private static final String[] EVENTKEYS_LATINIME_PICKAPPLICATIONSPECIFIEDCOMPLETION = { - "LatinIMEPickApplicationSpecifiedCompletion", "index", "text", "x", "y" - }; - public static void latinIME_pickApplicationSpecifiedCompletion(final int index, - final CharSequence cs, int x, int y) { - final Object[] values = { - index, cs, x, y - }; - final ResearchLogger researchLogger = getInstance(); - researchLogger.enqueuePotentiallyPrivateEvent( - EVENTKEYS_LATINIME_PICKAPPLICATIONSPECIFIEDCOMPLETION, values); - } - private static final String[] EVENTKEYS_LATINIME_PICKSUGGESTIONMANUALLY = { "LatinIMEPickSuggestionManually", "replacedWord", "index", "suggestion", "x", "y" }; public static void latinIME_pickSuggestionManually(final String replacedWord, - final int index, CharSequence suggestion, int x, int y) { + final int index, CharSequence suggestion) { final Object[] values = { - scrubDigitsFromString(replacedWord), index, suggestion == null ? null : - scrubDigitsFromString(suggestion.toString()), x, y + scrubDigitsFromString(replacedWord), index, + (suggestion == null ? null : scrubDigitsFromString(suggestion.toString())), + Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE }; final ResearchLogger researchLogger = getInstance(); researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_PICKSUGGESTIONMANUALLY, @@ -1089,28 +966,14 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang "LatinIMEPunctuationSuggestion", "index", "suggestion", "x", "y" }; public static void latinIME_punctuationSuggestion(final int index, - final CharSequence suggestion, int x, int y) { + final CharSequence suggestion) { final Object[] values = { - index, suggestion, x, y + index, suggestion, + Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE }; getInstance().enqueueEvent(EVENTKEYS_LATINIME_PUNCTUATIONSUGGESTION, values); } - private static final String[] EVENTKEYS_LATINIME_REVERTDOUBLESPACEWHILEINBATCHEDIT = { - "LatinIMERevertDoubleSpaceWhileInBatchEdit" - }; - public static void latinIME_revertDoubleSpaceWhileInBatchEdit() { - getInstance().enqueueEvent(EVENTKEYS_LATINIME_REVERTDOUBLESPACEWHILEINBATCHEDIT, - EVENTKEYS_NULLVALUES); - } - - private static final String[] EVENTKEYS_LATINIME_REVERTSWAPPUNCTUATION = { - "LatinIMERevertSwapPunctuation" - }; - public static void latinIME_revertSwapPunctuation() { - getInstance().enqueueEvent(EVENTKEYS_LATINIME_REVERTSWAPPUNCTUATION, EVENTKEYS_NULLVALUES); - } - private static final String[] EVENTKEYS_LATINIME_SENDKEYCODEPOINT = { "LatinIMESendKeyCodePoint", "code" }; @@ -1118,15 +981,18 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang final Object[] values = { Keyboard.printableCode(scrubDigitFromCodePoint(code)) }; - getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_SENDKEYCODEPOINT, values); + final ResearchLogger researchLogger = getInstance(); + researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_SENDKEYCODEPOINT, values); + if (Character.isDigit(code)) { + researchLogger.setCurrentLogUnitContainsDigitFlag(); + } } - private static final String[] EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACEWHILEINBATCHEDIT = { - "LatinIMESwapSwapperAndSpaceWhileInBatchEdit" + private static final String[] EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACE = { + "LatinIMESwapSwapperAndSpace" }; - public static void latinIME_swapSwapperAndSpaceWhileInBatchEdit() { - getInstance().enqueueEvent(EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACEWHILEINBATCHEDIT, - EVENTKEYS_NULLVALUES); + public static void latinIME_swapSwapperAndSpace() { + getInstance().enqueueEvent(EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACE, EVENTKEYS_NULLVALUES); } private static final String[] EVENTKEYS_MAINKEYBOARDVIEW_ONLONGPRESS = { @@ -1197,7 +1063,7 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang final int y, final boolean ignoreModifierKey, final boolean altersCode, final int code) { if (key != null) { - CharSequence outputText = key.mOutputText; + String outputText = key.getOutputText(); final Object[] values = { Keyboard.printableCode(scrubDigitFromCodePoint(code)), outputText == null ? null : scrubDigitsFromString(outputText.toString()), @@ -1245,6 +1111,128 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_POINTERTRACKER_ONMOVEEVENT, values); } + private static final String[] EVENTKEYS_RICHINPUTCONNECTION_COMMITCOMPLETION = { + "RichInputConnectionCommitCompletion", "completionInfo" + }; + public static void richInputConnection_commitCompletion(final CompletionInfo completionInfo) { + final Object[] values = { + completionInfo + }; + final ResearchLogger researchLogger = getInstance(); + researchLogger.enqueuePotentiallyPrivateEvent( + EVENTKEYS_RICHINPUTCONNECTION_COMMITCOMPLETION, values); + } + + // Disabled for privacy-protection reasons. Because this event comes after + // richInputConnection_commitText, which is the event used to separate LogUnits, the + // data in this event can be associated with the next LogUnit, revealing information + // about the current word even if it was supposed to be suppressed. The occurrance of + // autocorrection can be determined by examining the difference between the text strings in + // the last call to richInputConnection_setComposingText before + // richInputConnection_commitText, so it's not a data loss. + // TODO: Figure out how to log this event without loss of privacy. + /* + private static final String[] EVENTKEYS_RICHINPUTCONNECTION_COMMITCORRECTION = { + "RichInputConnectionCommitCorrection", "typedWord", "autoCorrection" + }; + */ + public static void richInputConnection_commitCorrection(CorrectionInfo correctionInfo) { + /* + final String typedWord = correctionInfo.getOldText().toString(); + final String autoCorrection = correctionInfo.getNewText().toString(); + final Object[] values = { + scrubDigitsFromString(typedWord), scrubDigitsFromString(autoCorrection) + }; + final ResearchLogger researchLogger = getInstance(); + researchLogger.enqueuePotentiallyPrivateEvent( + EVENTKEYS_RICHINPUTCONNECTION_COMMITCORRECTION, values); + */ + } + + private static final String[] EVENTKEYS_RICHINPUTCONNECTION_COMMITTEXT = { + "RichInputConnectionCommitText", "typedWord", "newCursorPosition" + }; + public static void richInputConnection_commitText(final CharSequence typedWord, + final int newCursorPosition) { + final String scrubbedWord = scrubDigitsFromString(typedWord.toString()); + final Object[] values = { + scrubbedWord, newCursorPosition + }; + final ResearchLogger researchLogger = getInstance(); + researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_RICHINPUTCONNECTION_COMMITTEXT, + values); + researchLogger.onWordComplete(scrubbedWord); + } + + private static final String[] EVENTKEYS_RICHINPUTCONNECTION_DELETESURROUNDINGTEXT = { + "RichInputConnectionDeleteSurroundingText", "beforeLength", "afterLength" + }; + public static void richInputConnection_deleteSurroundingText(final int beforeLength, + final int afterLength) { + final Object[] values = { + beforeLength, afterLength + }; + getInstance().enqueuePotentiallyPrivateEvent( + EVENTKEYS_RICHINPUTCONNECTION_DELETESURROUNDINGTEXT, values); + } + + private static final String[] EVENTKEYS_RICHINPUTCONNECTION_FINISHCOMPOSINGTEXT = { + "RichInputConnectionFinishComposingText" + }; + public static void richInputConnection_finishComposingText() { + getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_FINISHCOMPOSINGTEXT, + EVENTKEYS_NULLVALUES); + } + + private static final String[] EVENTKEYS_RICHINPUTCONNECTION_PERFORMEDITORACTION = { + "RichInputConnectionPerformEditorAction", "imeActionNext" + }; + public static void richInputConnection_performEditorAction(final int imeActionNext) { + final Object[] values = { + imeActionNext + }; + getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_PERFORMEDITORACTION, values); + } + + private static final String[] EVENTKEYS_RICHINPUTCONNECTION_SENDKEYEVENT = { + "RichInputConnectionSendKeyEvent", "eventTime", "action", "code" + }; + public static void richInputConnection_sendKeyEvent(final KeyEvent keyEvent) { + final Object[] values = { + keyEvent.getEventTime(), + keyEvent.getAction(), + keyEvent.getKeyCode() + }; + getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_RICHINPUTCONNECTION_SENDKEYEVENT, + values); + } + + private static final String[] EVENTKEYS_RICHINPUTCONNECTION_SETCOMPOSINGTEXT = { + "RichInputConnectionSetComposingText", "text", "newCursorPosition" + }; + public static void richInputConnection_setComposingText(final CharSequence text, + final int newCursorPosition) { + if (text == null) { + throw new RuntimeException("setComposingText is null"); + } + final Object[] values = { + text, newCursorPosition + }; + getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_RICHINPUTCONNECTION_SETCOMPOSINGTEXT, + values); + } + + private static final String[] EVENTKEYS_RICHINPUTCONNECTION_SETSELECTION = { + "RichInputConnectionSetSelection", "from", "to" + }; + public static void richInputConnection_setSelection(final int from, final int to) { + final Object[] values = { + from, to + }; + getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_RICHINPUTCONNECTION_SETSELECTION, + values); + } + private static final String[] EVENTKEYS_SUDDENJUMPINGTOUCHEVENTHANDLER_ONTOUCHEVENT = { "SuddenJumpingTouchEventHandlerOnTouchEvent", "motionEvent" }; @@ -1277,4 +1265,24 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang public void userTimestamp() { getInstance().enqueueEvent(EVENTKEYS_USER_TIMESTAMP, EVENTKEYS_NULLVALUES); } + + private static final String[] EVENTKEYS_STATISTICS = { + "Statistics", "charCount", "letterCount", "numberCount", "spaceCount", "deleteOpsCount", + "wordCount", "isEmptyUponStarting", "isEmptinessStateKnown", "averageTimeBetweenKeys", + "averageTimeBeforeDelete", "averageTimeDuringRepeatedDelete", "averageTimeAfterDelete" + }; + private static void logStatistics() { + final ResearchLogger researchLogger = getInstance(); + final Statistics statistics = researchLogger.mStatistics; + final Object[] values = { + statistics.mCharCount, statistics.mLetterCount, statistics.mNumberCount, + statistics.mSpaceCount, statistics.mDeleteKeyCount, + statistics.mWordCount, statistics.mIsEmptyUponStarting, + statistics.mIsEmptinessStateKnown, statistics.mKeyCounter.getAverageTime(), + statistics.mBeforeDeleteKeyCounter.getAverageTime(), + statistics.mDuringRepeatedDeleteKeysCounter.getAverageTime(), + statistics.mAfterDeleteKeyCounter.getAverageTime() + }; + researchLogger.enqueueEvent(EVENTKEYS_STATISTICS, values); + } } |