1 files changed, 0 insertions, 137 deletions
diff --git a/java/src/com/android/inputmethod/latin/utils/UserLogRingCharBuffer.java b/java/src/com/android/inputmethod/latin/utils/UserLogRingCharBuffer.java
deleted file mode 100644
index cf0ce0d2f..000000000
--- a/java/src/com/android/inputmethod/latin/utils/UserLogRingCharBuffer.java
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.inputmethod.latin.utils;
-
-import android.inputmethodservice.InputMethodService;
-
-import com.android.inputmethod.annotations.UsedForTesting;
-import com.android.inputmethod.latin.LatinImeLogger;
-import com.android.inputmethod.latin.settings.Settings;
-
-public final class UserLogRingCharBuffer {
-    public /* for test */ static final int BUFSIZE = 20;
-    public /* for test */ int mLength = 0;
-
-    private static UserLogRingCharBuffer sUserLogRingCharBuffer = new UserLogRingCharBuffer();
-    private static final char PLACEHOLDER_DELIMITER_CHAR = '\uFFFC';
-    private static final int INVALID_COORDINATE = -2;
-    private boolean mEnabled = false;
-    private int mEnd = 0;
-    private char[] mCharBuf = new char[BUFSIZE];
-    private int[] mXBuf = new int[BUFSIZE];
-    private int[] mYBuf = new int[BUFSIZE];
-
-    private UserLogRingCharBuffer() {
-        // Intentional empty constructor for singleton.
-    }
-
-    @UsedForTesting
-    public static UserLogRingCharBuffer getInstance() {
-        return sUserLogRingCharBuffer;
-    }
-
-    public static UserLogRingCharBuffer init(final InputMethodService context,
-            final boolean enabled, final boolean usabilityStudy) {
-        if (!(enabled || usabilityStudy)) {
-            return null;
-        }
-        sUserLogRingCharBuffer.mEnabled = true;
-        UsabilityStudyLogUtils.getInstance().init(context);
-        return sUserLogRingCharBuffer;
-    }
-
-    private static int normalize(final int in) {
-        int ret = in % BUFSIZE;
-        return ret < 0 ? ret + BUFSIZE : ret;
-    }
-
-    // TODO: accept code points
-    @UsedForTesting
-    public void push(final char c, final int x, final int y) {
-        if (!mEnabled) {
-            return;
-        }
-        if (LatinImeLogger.sUsabilityStudy) {
-            UsabilityStudyLogUtils.writeChar(c, x, y);
-        }
-        mCharBuf[mEnd] = c;
-        mXBuf[mEnd] = x;
-        mYBuf[mEnd] = y;
-        mEnd = normalize(mEnd + 1);
-        if (mLength < BUFSIZE) {
-            ++mLength;
-        }
-    }
-
-    public char pop() {
-        if (mLength < 1) {
-            return PLACEHOLDER_DELIMITER_CHAR;
-        }
-        mEnd = normalize(mEnd - 1);
-        --mLength;
-        return mCharBuf[mEnd];
-    }
-
-    public char getBackwardNthChar(final int n) {
-        if (mLength <= n || n < 0) {
-            return PLACEHOLDER_DELIMITER_CHAR;
-        }
-        return mCharBuf[normalize(mEnd - n - 1)];
-    }
-
-    public int getPreviousX(final char c, final int back) {
-        final int index = normalize(mEnd - 2 - back);
-        if (mLength <= back
-                || Character.toLowerCase(c) != Character.toLowerCase(mCharBuf[index])) {
-            return INVALID_COORDINATE;
-        }
-        return mXBuf[index];
-    }
-
-    public int getPreviousY(final char c, final int back) {
-        int index = normalize(mEnd - 2 - back);
-        if (mLength <= back
-                || Character.toLowerCase(c) != Character.toLowerCase(mCharBuf[index])) {
-            return INVALID_COORDINATE;
-        }
-        return mYBuf[index];
-    }
-
-    public String getLastWord(final int ignoreCharCount) {
-        final StringBuilder sb = new StringBuilder();
-        int i = ignoreCharCount;
-        for (; i < mLength; ++i) {
-            final char c = mCharBuf[normalize(mEnd - 1 - i)];
-            if (!Settings.getInstance().isWordSeparator(c)) {
-                break;
-            }
-        }
-        for (; i < mLength; ++i) {
-            char c = mCharBuf[normalize(mEnd - 1 - i)];
-            if (!Settings.getInstance().isWordSeparator(c)) {
-                sb.append(c);
-            } else {
-                break;
-            }
-        }
-        return sb.reverse().toString();
-    }
-
-    public void reset() {
-        mLength = 0;
-    }
-}