Remove researcher logger

This CL must be checked in together with I5cc76807e3.

Bug: 15318007
Change-Id: I61423c3377ddc299fb332e742d6626c2e47145bb

1 files changed, 0 insertions, 279 deletions

diff --git a/java/src/com/android/inputmethod/research/Statistics.java b/java/src/com/android/inputmethod/research/Statistics.java
deleted file mode 100644
index fd323a104..000000000
--- a/java/src/com/android/inputmethod/research/Statistics.java
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * Copyright (C) 2012 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.research;
-
-import android.util.Log;
-
-import com.android.inputmethod.latin.Constants;
-import com.android.inputmethod.latin.define.ProductionFlag;
-
-import java.util.concurrent.TimeUnit;
-
-public class Statistics {
-    private static final String TAG = Statistics.class.getSimpleName();
-    private static final boolean DEBUG = false
-            && ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS_DEBUG;
-
-    // TODO: Cleanup comments to only including those giving meaningful information.
-    // Number of characters entered during a typing session
-    int mCharCount;
-    // Number of letter characters entered during a typing session
-    int mLetterCount;
-    // Number of number characters entered
-    int mNumberCount;
-    // Number of space characters entered
-    int mSpaceCount;
-    // Number of delete operations entered (taps on the backspace key)
-    int mDeleteKeyCount;
-    // Number of words entered during a session.
-    int mWordCount;
-    // Number of words found in the dictionary.
-    int mDictionaryWordCount;
-    // Number of words split and spaces automatically entered.
-    int mSplitWordsCount;
-    // Number of words entered during a session.
-    int mCorrectedWordsCount;
-    // Number of gestures that were input.
-    int mGesturesInputCount;
-    // Number of gestures that were deleted.
-    int mGesturesDeletedCount;
-    // Total number of characters in words entered by gesture.
-    int mGesturesCharsCount;
-    // Number of manual suggestions chosen.
-    int mManualSuggestionsCount;
-    // Number of times that autocorrection was invoked.
-    int mAutoCorrectionsCount;
-    // Number of times a commit was reverted in this session.
-    int mRevertCommitsCount;
-    // Whether the text field was empty upon editing
-    boolean mIsEmptyUponStarting;
-    boolean mIsEmptinessStateKnown;
-
-    // Counts of how often an n-gram is collected or not, and the reasons for the decision.
-    // Keep consistent with publishability result code list in MainLogBuffer
-    int mPublishableCount;
-    int mUnpublishableStoppingCount;
-    int mUnpublishableIncorrectWordCount;
-    int mUnpublishableSampledTooRecently;
-    int mUnpublishableDictionaryUnavailable;
-    int mUnpublishableMayContainDigit;
-    int mUnpublishableNotInDictionary;
-
-    // Timers to count average time to enter a key, first press a delete key,
-    // between delete keys, and then to return typing after a delete key.
-    final AverageTimeCounter mKeyCounter = new AverageTimeCounter();
-    final AverageTimeCounter mBeforeDeleteKeyCounter = new AverageTimeCounter();
-    final AverageTimeCounter mDuringRepeatedDeleteKeysCounter = new AverageTimeCounter();
-    final AverageTimeCounter mAfterDeleteKeyCounter = new AverageTimeCounter();
-
-    static class AverageTimeCounter {
-        int mCount;
-        int mTotalTime;
-
-        public void reset() {
-            mCount = 0;
-            mTotalTime = 0;
-        }
-
-        public void add(long deltaTime) {
-            mCount++;
-            mTotalTime += deltaTime;
-        }
-
-        public int getAverageTime() {
-            if (mCount == 0) {
-                return 0;
-            }
-            return mTotalTime / mCount;
-        }
-    }
-
-    // To account for the interruptions when the user's attention is directed elsewhere, times
-    // longer than MIN_TYPING_INTERMISSION are not counted when estimating this statistic.
-    public static final long MIN_TYPING_INTERMISSION = TimeUnit.SECONDS.toMillis(2);
-    public static final long MIN_DELETION_INTERMISSION = TimeUnit.SECONDS.toMillis(10);
-
-    // The last time that a tap was performed
-    private long mLastTapTime;
-    // The type of the last keypress (delete key or not)
-    boolean mIsLastKeyDeleteKey;
-
-    private static final Statistics sInstance = new Statistics();
-
-    public static Statistics getInstance() {
-        return sInstance;
-    }
-
-    private Statistics() {
-        reset();
-    }
-
-    public void reset() {
-        mCharCount = 0;
-        mLetterCount = 0;
-        mNumberCount = 0;
-        mSpaceCount = 0;
-        mDeleteKeyCount = 0;
-        mWordCount = 0;
-        mDictionaryWordCount = 0;
-        mSplitWordsCount = 0;
-        mCorrectedWordsCount = 0;
-        mGesturesInputCount = 0;
-        mGesturesDeletedCount = 0;
-        mManualSuggestionsCount = 0;
-        mRevertCommitsCount = 0;
-        mAutoCorrectionsCount = 0;
-        mIsEmptyUponStarting = true;
-        mIsEmptinessStateKnown = false;
-        mKeyCounter.reset();
-        mBeforeDeleteKeyCounter.reset();
-        mDuringRepeatedDeleteKeysCounter.reset();
-        mAfterDeleteKeyCounter.reset();
-        mGesturesCharsCount = 0;
-        mGesturesDeletedCount = 0;
-        mPublishableCount = 0;
-        mUnpublishableStoppingCount = 0;
-        mUnpublishableIncorrectWordCount = 0;
-        mUnpublishableSampledTooRecently = 0;
-        mUnpublishableDictionaryUnavailable = 0;
-        mUnpublishableMayContainDigit = 0;
-        mUnpublishableNotInDictionary = 0;
-
-        mLastTapTime = 0;
-        mIsLastKeyDeleteKey = false;
-    }
-
-    public void recordChar(int codePoint, long time) {
-        if (DEBUG) {
-            Log.d(TAG, "recordChar() called");
-        }
-        if (codePoint == Constants.CODE_DELETE) {
-            mDeleteKeyCount++;
-            recordUserAction(time, true /* isDeletion */);
-        } else {
-            mCharCount++;
-            if (Character.isDigit(codePoint)) {
-                mNumberCount++;
-            }
-            if (Character.isLetter(codePoint)) {
-                mLetterCount++;
-            }
-            if (Character.isSpaceChar(codePoint)) {
-                mSpaceCount++;
-            }
-            recordUserAction(time, false /* isDeletion */);
-        }
-    }
-
-    public void recordWordEntered(final boolean isDictionaryWord,
-            final boolean containsCorrection) {
-        mWordCount++;
-        if (isDictionaryWord) {
-            mDictionaryWordCount++;
-        }
-        if (containsCorrection) {
-            mCorrectedWordsCount++;
-        }
-    }
-
-    public void recordSplitWords() {
-        mSplitWordsCount++;
-    }
-
-    public void recordGestureInput(final int numCharsEntered, final long time) {
-        mGesturesInputCount++;
-        mGesturesCharsCount += numCharsEntered;
-        recordUserAction(time, false /* isDeletion */);
-    }
-
-    public void setIsEmptyUponStarting(final boolean isEmpty) {
-        mIsEmptyUponStarting = isEmpty;
-        mIsEmptinessStateKnown = true;
-    }
-
-    public void recordGestureDelete(final int length, final long time) {
-        mGesturesDeletedCount++;
-        recordUserAction(time, true /* isDeletion */);
-    }
-
-    public void recordManualSuggestion(final long time) {
-        mManualSuggestionsCount++;
-        recordUserAction(time, false /* isDeletion */);
-    }
-
-    public void recordAutoCorrection(final long time) {
-        mAutoCorrectionsCount++;
-        recordUserAction(time, false /* isDeletion */);
-    }
-
-    public void recordRevertCommit(final long time) {
-        mRevertCommitsCount++;
-        recordUserAction(time, true /* isDeletion */);
-    }
-
-    private void recordUserAction(final long time, final boolean isDeletion) {
-        final long delta = time - mLastTapTime;
-        if (isDeletion) {
-            if (delta < MIN_DELETION_INTERMISSION) {
-                if (mIsLastKeyDeleteKey) {
-                    mDuringRepeatedDeleteKeysCounter.add(delta);
-                } else {
-                    mBeforeDeleteKeyCounter.add(delta);
-                }
-            } else {
-                ResearchLogger.onUserPause(delta);
-            }
-        } else {
-            if (mIsLastKeyDeleteKey && delta < MIN_DELETION_INTERMISSION) {
-                mAfterDeleteKeyCounter.add(delta);
-            } else if (!mIsLastKeyDeleteKey && delta < MIN_TYPING_INTERMISSION) {
-                mKeyCounter.add(delta);
-            } else {
-                ResearchLogger.onUserPause(delta);
-            }
-        }
-        mIsLastKeyDeleteKey = isDeletion;
-        mLastTapTime = time;
-    }
-
-    public void recordPublishabilityResultCode(final int publishabilityResultCode) {
-        // Keep consistent with publishability result code list in MainLogBuffer
-        switch (publishabilityResultCode) {
-        case MainLogBuffer.PUBLISHABILITY_PUBLISHABLE:
-            mPublishableCount++;
-            break;
-        case MainLogBuffer.PUBLISHABILITY_UNPUBLISHABLE_STOPPING:
-            mUnpublishableStoppingCount++;
-            break;
-        case MainLogBuffer.PUBLISHABILITY_UNPUBLISHABLE_INCORRECT_WORD_COUNT:
-            mUnpublishableIncorrectWordCount++;
-            break;
-        case MainLogBuffer.PUBLISHABILITY_UNPUBLISHABLE_SAMPLED_TOO_RECENTLY:
-            mUnpublishableSampledTooRecently++;
-            break;
-        case MainLogBuffer.PUBLISHABILITY_UNPUBLISHABLE_DICTIONARY_UNAVAILABLE:
-            mUnpublishableDictionaryUnavailable++;
-            break;
-        case MainLogBuffer.PUBLISHABILITY_UNPUBLISHABLE_MAY_CONTAIN_DIGIT:
-            mUnpublishableMayContainDigit++;
-            break;
-        case MainLogBuffer.PUBLISHABILITY_UNPUBLISHABLE_NOT_IN_DICTIONARY:
-            mUnpublishableNotInDictionary++;
-            break;
-        }
-    }
-}