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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.inputmethod.latin.utils;
     18 
     19 import android.text.TextUtils;
     20 
     21 import com.android.inputmethod.latin.Constants;
     22 import com.android.inputmethod.latin.LatinImeLogger;
     23 import com.android.inputmethod.latin.WordComposer;
     24 
     25 public final class LatinImeLoggerUtils {
     26     private LatinImeLoggerUtils() {
     27         // This utility class is not publicly instantiable.
     28     }
     29 
     30     public static void onNonSeparator(final char code, final int x, final int y) {
     31         UserLogRingCharBuffer.getInstance().push(code, x, y);
     32         LatinImeLogger.logOnInputChar();
     33     }
     34 
     35     public static void onSeparator(final int code, final int x, final int y) {
     36         // Helper method to log a single code point separator
     37         // TODO: cache this mapping of a code point to a string in a sparse array in StringUtils
     38         onSeparator(new String(new int[]{code}, 0, 1), x, y);
     39     }
     40 
     41     public static void onSeparator(final String separator, final int x, final int y) {
     42         final int length = separator.length();
     43         for (int i = 0; i < length; i = Character.offsetByCodePoints(separator, i, 1)) {
     44             int codePoint = Character.codePointAt(separator, i);
     45             // TODO: accept code points
     46             UserLogRingCharBuffer.getInstance().push((char)codePoint, x, y);
     47         }
     48         LatinImeLogger.logOnInputSeparator();
     49     }
     50 
     51     public static void onAutoCorrection(final String typedWord, final String correctedWord,
     52             final String separatorString, final WordComposer wordComposer) {
     53         final boolean isBatchMode = wordComposer.isBatchMode();
     54         if (!isBatchMode && TextUtils.isEmpty(typedWord)) {
     55             return;
     56         }
     57         // TODO: this fails when the separator is more than 1 code point long, but
     58         // the backend can't handle it yet. The only case when this happens is with
     59         // smileys and other multi-character keys.
     60         final int codePoint = TextUtils.isEmpty(separatorString) ? Constants.NOT_A_CODE
     61                 : separatorString.codePointAt(0);
     62         if (!isBatchMode) {
     63             LatinImeLogger.logOnAutoCorrectionForTyping(typedWord, correctedWord, codePoint);
     64         } else {
     65             if (!TextUtils.isEmpty(correctedWord)) {
     66                 // We must make sure that InputPointer contains only the relative timestamps,
     67                 // not actual timestamps.
     68                 LatinImeLogger.logOnAutoCorrectionForGeometric(
     69                         "", correctedWord, codePoint, wordComposer.getInputPointers());
     70             }
     71         }
     72     }
     73 
     74     public static void onAutoCorrectionCancellation() {
     75         LatinImeLogger.logOnAutoCorrectionCancelled();
     76     }
     77 }
     78