nyancrimew
/
LatinIME
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge "Add a logging functionarity for usability study."

main
satok 2010-11-16 00:21:10 -08:00 committed by Android (Google) Code Review
parent e3f0ca3848 18e9a7c6fb
commit eb5689ed8d
2 changed files with 149 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

148
java/src/com/android/inputmethod/latin/LatinIMEUtil.java
View File

@ -19,10 +19,22 @@ package com.android.inputmethod.latin;
import android.view.inputmethod.InputMethodManager;
import android.content.Context;
import android.inputmethodservice.InputMethodService;
import android.os.AsyncTask;
import android.text.format.DateUtils;
import android.text.format.Time;
import android.util.Log;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
public class LatinIMEUtil {
/**
@ -86,8 +98,9 @@ public class LatinIMEUtil {
private static final char PLACEHOLDER_DELIMITER_CHAR = '\uFFFC';
private static final int INVALID_COORDINATE = -2;
/* package */ static final int BUFSIZE = 20;
private Context mContext;
private InputMethodService mContext;
private boolean mEnabled = false;
private boolean mUsabilityStudy = false;
private int mEnd = 0;
/* package */ int mLength = 0;
private char[] mCharBuf = new char[BUFSIZE];
@ -99,9 +112,12 @@ public class LatinIMEUtil {
public static RingCharBuffer getInstance() {
return sRingCharBuffer;
}
public static RingCharBuffer init(Context context, boolean enabled) {
public static RingCharBuffer init(InputMethodService context, boolean enabled,
boolean usabilityStudy) {
sRingCharBuffer.mContext = context;
sRingCharBuffer.mEnabled = enabled;
sRingCharBuffer.mEnabled = enabled || usabilityStudy;
sRingCharBuffer.mUsabilityStudy = usabilityStudy;
UsabilityStudyLogUtils.getInstance().init(context);
return sRingCharBuffer;
}
private int normalize(int in) {
@ -110,6 +126,9 @@ public class LatinIMEUtil {
}
public void push(char c, int x, int y) {
if (!mEnabled) return;
if (mUsabilityStudy) {
UsabilityStudyLogUtils.getInstance().writeChar(c, x, y);
}
mCharBuf[mEnd] = c;
mXBuf[mEnd] = x;
mYBuf[mEnd] = y;
@ -222,4 +241,127 @@ public class LatinIMEUtil {
final double weight = 1.0 - (double) distance / afterLength;
return (score / maximumScore) * weight;
}
public static class UsabilityStudyLogUtils {
private static final String TAG = "UsabilityStudyLogUtils";
private static final String FILENAME = "log.txt";
private static final UsabilityStudyLogUtils sInstance =
new UsabilityStudyLogUtils();
private File mFile;
private File mDirectory;
private InputMethodService mIms;
private PrintWriter mWriter;
private Date mDate;
private SimpleDateFormat mDateFormat;
private UsabilityStudyLogUtils() {
mDate = new Date();
mDateFormat = new SimpleDateFormat("dd MMM HH:mm:ss.SSS");
}
public static UsabilityStudyLogUtils getInstance() {
return sInstance;
}
public void init(InputMethodService ims) {
mIms = ims;
mDirectory = ims.getFilesDir();
createLogFileIfNotExist();
}
private void createLogFileIfNotExist() {
if ((mFile == null || !mFile.exists())
&& (mDirectory != null && mDirectory.exists())) {
try {
mWriter = getPrintWriter(mDirectory, FILENAME, false);
} catch (IOException e) {
Log.e(TAG, "Can't create log file.");
}
}
}
public void writeChar(char c, int x, int y) {
String inputChar = String.valueOf(c);
switch (c) {
case '\n':
inputChar = "<enter>";
break;
case '\t':
inputChar = "<tab>";
break;
case ' ':
inputChar = "<space>";
break;
}
UsabilityStudyLogUtils.getInstance().write(inputChar + "\t" + x + "\t" + y);
LatinImeLogger.onPrintAllUsabilityStudtyLogs();
}
private void write(String log) {
createLogFileIfNotExist();
final long currentTime = System.currentTimeMillis();
mDate.setTime(currentTime);
final String printString = String.format("%s\t%d\t%s\n", mDateFormat.format(mDate),
currentTime, log);
if (LatinImeLogger.sDBG) {
Log.d(TAG, "Write: " + log);
}
mWriter.print(printString);
mWriter.flush();
}
public void printAll() {
StringBuffer sb = new StringBuffer();
BufferedReader br = getBufferedReader();
String line;
try {
while ((line = br.readLine()) != null) {
sb.append('\n');
sb.append(line);
}
} catch (IOException e) {
Log.e(TAG, "Can't read log file.");
} finally {
if (LatinImeLogger.sDBG) {
Log.d(TAG, "output all logs\n" + sb.toString());
}
mIms.getCurrentInputConnection().commitText(sb.toString(), 0);
try {
br.close();
} catch (IOException e) {
}
}
}
public void clearAll() {
if (mFile != null && mFile.exists()) {
if (LatinImeLogger.sDBG) {
Log.d(TAG, "Delete log file.");
}
mFile.delete();
mWriter.close();
}
}
private BufferedReader getBufferedReader() {
createLogFileIfNotExist();
try {
return new BufferedReader(new FileReader(mFile));
} catch (FileNotFoundException e) {
return null;
}
}
private PrintWriter getPrintWriter(
File dir, String filename, boolean renew) throws IOException {
mFile = new File(dir, filename);
if (mFile.exists()) {
if (renew) {
mFile.delete();
}
}
return new PrintWriter(new FileOutputStream(mFile));
}
}
}

4
java/src/com/android/inputmethod/latin/LatinImeLogger.java
View File

@ -24,6 +24,8 @@ import java.util.List;
public class LatinImeLogger implements SharedPreferences.OnSharedPreferenceChangeListener {
public static boolean sDBG = false;
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
}
@ -67,4 +69,6 @@ public class LatinImeLogger implements SharedPreferences.OnSharedPreferenceChang
public static void onSetKeyboard(BaseKeyboard kb) {
}
public static void onPrintAllUsabilityStudtyLogs() {
}
}