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
17package com.android.inputmethod.latin.utils;
18
19import android.text.TextUtils;
20
21import com.android.inputmethod.latin.Constants;
22import com.android.inputmethod.latin.LatinImeLogger;
23import com.android.inputmethod.latin.WordComposer;
24
25public 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