ResearchLogging capture full n-gram data
- Captures complete motion data for all words in an n-gram. - Also filters n-grams properly; if any word in the n-gram is not in the dictionary, it is not included. - Simplify ResearchLog to not require explicit state - Added LogBuffer class MainLogBuffer class to allow n-gram-level decisions about privacy. - Moved LogUnit out from ResearchLogger multi-project change with Id997fb6572daa3ff55591afa1676953bb204f33a Because of a strange Gerrit interaction, earlier patchsets were recorded as the following separate changes (to soon be abandoned): - I59d86ae28123890ddb7aabc7dc9a73a75eecbca4 - I9cc95266fa4500d019e09ec53ec00e5dea7ffd38 - Ie6f23a2035e160f231406df1388a43725380df1d - Id87909e96fa7fa91174c86395a964404f3490fe1 - I57c5cbde0425c42538d589fa4d1802b3e5688f7c - Ic1f9d7727e416da1b6c4f1a45b53750cd4088dcf - I20a72ccc4ba1bc08ed3ee39bff71d2adb376588c - I417f6f364144b90085f5fef4bd2de1a40b5dfa79 Bug: 6188932 Change-Id: I771e57e3b8c0eb6721c2022e775cb0b528bdff93main
Kurt Partridge
parent
5400f24bed
commit
838e6c1e5b
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@ -261,7 +261,8 @@
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<string name="research_feedback_dialog_title" translatable="false">Send feedback</string>
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<!-- Text for checkbox option to include user data in feedback for research purposes [CHAR LIMIT=50] -->
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<!-- TODO: remove translatable=false attribute once text is stable -->
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<string name="research_feedback_include_history_label" translatable="false">Include last 5 words entered</string>
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<!-- TODO: handle multilingual plurals -->
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<string name="research_feedback_include_history_label" translatable="false">Include last <xliff:g id="word">%d</xliff:g> words entered</string>
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<!-- Hint to user about the text entry field where they should enter research feedback [CHAR LIMIT=40] -->
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<!-- TODO: remove translatable=false attribute once text is stable -->
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<string name="research_feedback_hint" translatable="false">Enter your feedback here.</string>
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@ -1231,11 +1231,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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}
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mLastKeyTime = when;
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mConnection.beginBatchEdit();
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if (ProductionFlag.IS_EXPERIMENTAL) {
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ResearchLogger.latinIME_onCodeInput(primaryCode, x, y);
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}
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final KeyboardSwitcher switcher = mKeyboardSwitcher;
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// The space state depends only on the last character pressed and its own previous
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// state. Here, we revert the space state to neutral if the key is actually modifying
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@ -1317,6 +1312,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
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mLastComposedWord.deactivate();
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mEnteredText = null;
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mConnection.endBatchEdit();
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if (ProductionFlag.IS_EXPERIMENTAL) {
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ResearchLogger.latinIME_onCodeInput(primaryCode, x, y);
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}
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}
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// Called from PointerTracker through the KeyboardActionListener interface
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@ -18,10 +18,7 @@ package com.android.inputmethod.research;
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import android.app.Activity;
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import android.os.Bundle;
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import android.text.Editable;
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import android.view.View;
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import android.widget.CheckBox;
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import android.widget.EditText;
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import com.android.inputmethod.latin.R;
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@ -31,6 +28,11 @@ public class FeedbackActivity extends Activity {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.research_feedback_activity);
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final FeedbackLayout layout = (FeedbackLayout) findViewById(R.id.research_feedback_layout);
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final CheckBox checkbox = (CheckBox) findViewById(R.id.research_feedback_include_history);
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final CharSequence cs = checkbox.getText();
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final String actualString = String.format(cs.toString(),
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ResearchLogger.FEEDBACK_WORD_BUFFER_SIZE);
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checkbox.setText(actualString);
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layout.setActivity(this);
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}
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@ -0,0 +1,111 @@
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.research;
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import java.util.LinkedList;
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/**
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* A buffer that holds a fixed number of LogUnits.
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*
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* LogUnits are added in and shifted out in temporal order. Only a subset of the LogUnits are
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* actual words; the other LogUnits do not count toward the word limit. Once the buffer reaches
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* capacity, adding another LogUnit that is a word evicts the oldest LogUnits out one at a time to
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* stay under the capacity limit.
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*/
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public class LogBuffer {
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protected final LinkedList<LogUnit> mLogUnits;
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/* package for test */ int mWordCapacity;
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// The number of members of mLogUnits that are actual words.
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protected int mNumActualWords;
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/**
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* Create a new LogBuffer that can hold a fixed number of LogUnits that are words (and
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* unlimited number of non-word LogUnits), and that outputs its result to a researchLog.
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*
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* @param wordCapacity maximum number of words
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*/
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LogBuffer(final int wordCapacity) {
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if (wordCapacity <= 0) {
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throw new IllegalArgumentException("wordCapacity must be 1 or greater.");
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}
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mLogUnits = new LinkedList<LogUnit>();
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mWordCapacity = wordCapacity;
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mNumActualWords = 0;
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}
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/**
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* Adds a new LogUnit to the front of the LIFO queue, evicting existing LogUnit's
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* (oldest first) if word capacity is reached.
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*/
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public void shiftIn(LogUnit newLogUnit) {
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if (newLogUnit.getWord() == null) {
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// This LogUnit isn't a word, so it doesn't count toward the word-limit.
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mLogUnits.add(newLogUnit);
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return;
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}
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if (mNumActualWords == mWordCapacity) {
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shiftOutThroughFirstWord();
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}
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mLogUnits.add(newLogUnit);
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mNumActualWords++; // Must be a word, or we wouldn't be here.
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}
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private void shiftOutThroughFirstWord() {
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while (!mLogUnits.isEmpty()) {
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final LogUnit logUnit = mLogUnits.removeFirst();
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onShiftOut(logUnit);
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if (logUnit.hasWord()) {
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// Successfully shifted out a word-containing LogUnit and made space for the new
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// LogUnit.
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mNumActualWords--;
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break;
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}
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}
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}
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/**
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* Removes all LogUnits from the buffer without calling onShiftOut().
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*/
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public void clear() {
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mLogUnits.clear();
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mNumActualWords = 0;
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}
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/**
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* Called when a LogUnit is removed from the LogBuffer as a result of a shiftIn. LogUnits are
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* removed in the order entered. This method is not called when shiftOut is called directly.
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*
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* Base class does nothing; subclasses may override.
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*/
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protected void onShiftOut(LogUnit logUnit) {
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}
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/**
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* Called to deliberately remove the oldest LogUnit. Usually called when draining the
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* LogBuffer.
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*/
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public LogUnit shiftOut() {
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if (mLogUnits.isEmpty()) {
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return null;
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}
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final LogUnit logUnit = mLogUnits.removeFirst();
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if (logUnit.hasWord()) {
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mNumActualWords--;
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}
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return logUnit;
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}
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}
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@ -0,0 +1,81 @@
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.research;
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import java.util.ArrayList;
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/**
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* A group of log statements related to each other.
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*
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* A LogUnit is collection of LogStatements, each of which is generated by at a particular point
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* in the code. (There is no LogStatement class; the data is stored across the instance variables
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* here.) A single LogUnit's statements can correspond to all the calls made while in the same
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* composing region, or all the calls between committing the last composing region, and the first
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* character of the next composing region.
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*
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* Individual statements in a log may be marked as potentially private. If so, then they are only
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* published to a ResearchLog if the ResearchLogger determines that publishing the entire LogUnit
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* will not violate the user's privacy. Checks for this may include whether other LogUnits have
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* been published recently, or whether the LogUnit contains numbers, etc.
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*/
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/* package */ class LogUnit {
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private final ArrayList<String[]> mKeysList = new ArrayList<String[]>();
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private final ArrayList<Object[]> mValuesList = new ArrayList<Object[]>();
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private final ArrayList<Boolean> mIsPotentiallyPrivate = new ArrayList<Boolean>();
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private String mWord;
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private boolean mContainsDigit;
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public void addLogStatement(final String[] keys, final Object[] values,
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final Boolean isPotentiallyPrivate) {
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mKeysList.add(keys);
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mValuesList.add(values);
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mIsPotentiallyPrivate.add(isPotentiallyPrivate);
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}
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public void publishTo(final ResearchLog researchLog, final boolean isIncludingPrivateData) {
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final int size = mKeysList.size();
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for (int i = 0; i < size; i++) {
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if (!mIsPotentiallyPrivate.get(i) || isIncludingPrivateData) {
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researchLog.outputEvent(mKeysList.get(i), mValuesList.get(i));
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}
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}
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}
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public void setWord(String word) {
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mWord = word;
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}
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public String getWord() {
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return mWord;
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}
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public boolean hasWord() {
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return mWord != null;
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}
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public void setContainsDigit() {
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mContainsDigit = true;
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}
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public boolean hasDigit() {
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return mContainsDigit;
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}
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public boolean isEmpty() {
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return mKeysList.isEmpty();
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}
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}
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@ -0,0 +1,127 @@
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.research;
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import com.android.inputmethod.latin.Dictionary;
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import com.android.inputmethod.latin.Suggest;
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import java.util.Random;
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public class MainLogBuffer extends LogBuffer {
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// The size of the n-grams logged. E.g. N_GRAM_SIZE = 2 means to sample bigrams.
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private static final int N_GRAM_SIZE = 2;
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// The number of words between n-grams to omit from the log.
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private static final int DEFAULT_NUMBER_OF_WORDS_BETWEEN_SAMPLES = 18;
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private final ResearchLog mResearchLog;
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private Suggest mSuggest;
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// The minimum periodicity with which n-grams can be sampled. E.g. mWinWordPeriod is 10 if
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// every 10th bigram is sampled, i.e., words 1-8 are not, but the bigram at words 9 and 10, etc.
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// for 11-18, and the bigram at words 19 and 20. If an n-gram is not safe (e.g. it contains a
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// number in the middle or an out-of-vocabulary word), then sampling is delayed until a safe
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// n-gram does appear.
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/* package for test */ int mMinWordPeriod;
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// Counter for words left to suppress before an n-gram can be sampled. Reset to mMinWordPeriod
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// after a sample is taken.
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/* package for test */ int mWordsUntilSafeToSample;
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public MainLogBuffer(final ResearchLog researchLog) {
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super(N_GRAM_SIZE);
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mResearchLog = researchLog;
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mMinWordPeriod = DEFAULT_NUMBER_OF_WORDS_BETWEEN_SAMPLES + N_GRAM_SIZE;
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final Random random = new Random();
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mWordsUntilSafeToSample = random.nextInt(mMinWordPeriod);
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}
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public void setSuggest(Suggest suggest) {
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mSuggest = suggest;
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}
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@Override
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public void shiftIn(final LogUnit newLogUnit) {
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super.shiftIn(newLogUnit);
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if (newLogUnit.hasWord()) {
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if (mWordsUntilSafeToSample > 0) {
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mWordsUntilSafeToSample--;
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}
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}
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}
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public void resetWordCounter() {
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mWordsUntilSafeToSample = mMinWordPeriod;
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}
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/**
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* Determines whether the content of the MainLogBuffer can be safely uploaded in its complete
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* form and still protect the user's privacy.
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*
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* The size of the MainLogBuffer is just enough to hold one n-gram, its corrections, and any
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* non-character data that is typed between words. The decision about privacy is made based on
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* the buffer's entire content. If it is decided that the privacy risks are too great to upload
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* the contents of this buffer, a censored version of the LogItems may still be uploaded. E.g.,
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* the screen orientation and other characteristics about the device can be uploaded without
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* revealing much about the user.
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*/
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public boolean isSafeToLog() {
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// Check that we are not sampling too frequently. Having sampled recently might disclose
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// too much of the user's intended meaning.
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if (mWordsUntilSafeToSample > 0) {
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return false;
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}
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if (mSuggest == null || !mSuggest.hasMainDictionary()) {
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// Main dictionary is unavailable. Since we cannot check it, we cannot tell if a word
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// is out-of-vocabulary or not. Therefore, we must judge the entire buffer contents to
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// potentially pose a privacy risk.
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return false;
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}
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// Reload the dictionary in case it has changed (e.g., because the user has changed
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// languages).
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final Dictionary dictionary = mSuggest.getMainDictionary();
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if (dictionary == null) {
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return false;
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}
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// Check each word in the buffer. If any word poses a privacy threat, we cannot upload the
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// complete buffer contents in detail.
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final int length = mLogUnits.size();
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for (int i = 0; i < length; i++) {
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final LogUnit logUnit = mLogUnits.get(i);
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final String word = logUnit.getWord();
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if (word == null) {
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// Digits outside words are a privacy threat.
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if (logUnit.hasDigit()) {
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return false;
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}
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} else {
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// Words not in the dictionary are a privacy threat.
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if (!(dictionary.isValidWord(word))) {
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return false;
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}
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}
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}
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// All checks have passed; this buffer's content can be safely uploaded.
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return true;
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}
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@Override
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protected void onShiftOut(LogUnit logUnit) {
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if (mResearchLog != null) {
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mResearchLog.publish(logUnit, false /* isIncludingPrivateData */);
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}
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}
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}
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@ -26,7 +26,6 @@ import com.android.inputmethod.keyboard.Key;
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import com.android.inputmethod.latin.SuggestedWords;
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import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
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import com.android.inputmethod.latin.define.ProductionFlag;
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import com.android.inputmethod.research.ResearchLogger.LogUnit;
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import java.io.BufferedWriter;
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import java.io.File;
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@ -37,6 +36,7 @@ import java.io.OutputStreamWriter;
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import java.util.Map;
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import java.util.concurrent.Callable;
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import java.util.concurrent.Executors;
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import java.util.concurrent.RejectedExecutionException;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.ScheduledFuture;
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import java.util.concurrent.TimeUnit;
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@ -51,21 +51,22 @@ import java.util.concurrent.TimeUnit;
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*/
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public class ResearchLog {
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private static final String TAG = ResearchLog.class.getSimpleName();
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private static final JsonWriter NULL_JSON_WRITER = new JsonWriter(
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new OutputStreamWriter(new NullOutputStream()));
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private static final boolean DEBUG = false;
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private static final long FLUSH_DELAY_IN_MS = 1000 * 5;
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private static final int ABORT_TIMEOUT_IN_MS = 1000 * 4;
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final ScheduledExecutorService mExecutor;
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/* package */ final ScheduledExecutorService mExecutor;
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/* package */ final File mFile;
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private JsonWriter mJsonWriter = NULL_JSON_WRITER;
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// true if at least one byte of data has been written out to the log file. This must be
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// remembered because JsonWriter requires that calls matching calls to beginObject and
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// endObject, as well as beginArray and endArray, and the file is opened lazily, only when
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// it is certain that data will be written. Alternatively, the matching call exceptions
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// could be caught, but this might suppress other errors.
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private boolean mHasWrittenData = false;
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private int mLoggingState;
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private static final int LOGGING_STATE_UNSTARTED = 0;
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private static final int LOGGING_STATE_READY = 1; // don't create file until necessary
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private static final int LOGGING_STATE_RUNNING = 2;
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private static final int LOGGING_STATE_STOPPING = 3;
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private static final int LOGGING_STATE_STOPPED = 4;
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private static final long FLUSH_DELAY_IN_MS = 1000 * 5;
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private static final JsonWriter NULL_JSON_WRITER = new JsonWriter(
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new OutputStreamWriter(new NullOutputStream()));
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private static class NullOutputStream extends OutputStream {
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/** {@inheritDoc} */
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@Override
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@ -84,128 +85,81 @@ public class ResearchLog {
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}
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}
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public ResearchLog(File outputFile) {
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||||
mExecutor = Executors.newSingleThreadScheduledExecutor();
|
||||
public ResearchLog(final File outputFile) {
|
||||
if (outputFile == null) {
|
||||
throw new IllegalArgumentException();
|
||||
}
|
||||
mExecutor = Executors.newSingleThreadScheduledExecutor();
|
||||
mFile = outputFile;
|
||||
mLoggingState = LOGGING_STATE_UNSTARTED;
|
||||
}
|
||||
|
||||
public synchronized void start() throws IOException {
|
||||
switch (mLoggingState) {
|
||||
case LOGGING_STATE_UNSTARTED:
|
||||
mLoggingState = LOGGING_STATE_READY;
|
||||
break;
|
||||
case LOGGING_STATE_READY:
|
||||
case LOGGING_STATE_RUNNING:
|
||||
case LOGGING_STATE_STOPPING:
|
||||
case LOGGING_STATE_STOPPED:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
public synchronized void stop() {
|
||||
switch (mLoggingState) {
|
||||
case LOGGING_STATE_UNSTARTED:
|
||||
mLoggingState = LOGGING_STATE_STOPPED;
|
||||
break;
|
||||
case LOGGING_STATE_READY:
|
||||
case LOGGING_STATE_RUNNING:
|
||||
public synchronized void close() {
|
||||
mExecutor.submit(new Callable<Object>() {
|
||||
@Override
|
||||
public Object call() throws Exception {
|
||||
try {
|
||||
if (mHasWrittenData) {
|
||||
mJsonWriter.endArray();
|
||||
mJsonWriter.flush();
|
||||
mJsonWriter.close();
|
||||
mHasWrittenData = false;
|
||||
}
|
||||
} catch (Exception e) {
|
||||
Log.d(TAG, "error when closing ResearchLog:");
|
||||
e.printStackTrace();
|
||||
} finally {
|
||||
boolean success = mFile.setWritable(false, false);
|
||||
mLoggingState = LOGGING_STATE_STOPPED;
|
||||
if (mFile.exists()) {
|
||||
mFile.setWritable(false, false);
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
});
|
||||
removeAnyScheduledFlush();
|
||||
mExecutor.shutdown();
|
||||
mLoggingState = LOGGING_STATE_STOPPING;
|
||||
break;
|
||||
case LOGGING_STATE_STOPPING:
|
||||
case LOGGING_STATE_STOPPED:
|
||||
}
|
||||
}
|
||||
|
||||
public boolean isAlive() {
|
||||
switch (mLoggingState) {
|
||||
case LOGGING_STATE_UNSTARTED:
|
||||
case LOGGING_STATE_READY:
|
||||
case LOGGING_STATE_RUNNING:
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
public void waitUntilStopped(final int timeoutInMs) throws InterruptedException {
|
||||
removeAnyScheduledFlush();
|
||||
mExecutor.shutdown();
|
||||
mExecutor.awaitTermination(timeoutInMs, TimeUnit.MILLISECONDS);
|
||||
}
|
||||
private boolean mIsAbortSuccessful;
|
||||
|
||||
public synchronized void abort() {
|
||||
switch (mLoggingState) {
|
||||
case LOGGING_STATE_UNSTARTED:
|
||||
mLoggingState = LOGGING_STATE_STOPPED;
|
||||
isAbortSuccessful = true;
|
||||
break;
|
||||
case LOGGING_STATE_READY:
|
||||
case LOGGING_STATE_RUNNING:
|
||||
mExecutor.submit(new Callable<Object>() {
|
||||
@Override
|
||||
public Object call() throws Exception {
|
||||
try {
|
||||
if (mHasWrittenData) {
|
||||
mJsonWriter.endArray();
|
||||
mJsonWriter.close();
|
||||
mHasWrittenData = false;
|
||||
}
|
||||
} finally {
|
||||
isAbortSuccessful = mFile.delete();
|
||||
mIsAbortSuccessful = mFile.delete();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
});
|
||||
removeAnyScheduledFlush();
|
||||
mExecutor.shutdown();
|
||||
mLoggingState = LOGGING_STATE_STOPPING;
|
||||
break;
|
||||
case LOGGING_STATE_STOPPING:
|
||||
case LOGGING_STATE_STOPPED:
|
||||
}
|
||||
}
|
||||
|
||||
private boolean isAbortSuccessful;
|
||||
public boolean isAbortSuccessful() {
|
||||
return isAbortSuccessful;
|
||||
public boolean blockingAbort() throws InterruptedException {
|
||||
abort();
|
||||
mExecutor.awaitTermination(ABORT_TIMEOUT_IN_MS, TimeUnit.MILLISECONDS);
|
||||
return mIsAbortSuccessful;
|
||||
}
|
||||
|
||||
public void awaitTermination(int delay, TimeUnit timeUnit) throws InterruptedException {
|
||||
mExecutor.awaitTermination(delay, timeUnit);
|
||||
}
|
||||
|
||||
/* package */ synchronized void flush() {
|
||||
switch (mLoggingState) {
|
||||
case LOGGING_STATE_UNSTARTED:
|
||||
break;
|
||||
case LOGGING_STATE_READY:
|
||||
case LOGGING_STATE_RUNNING:
|
||||
removeAnyScheduledFlush();
|
||||
mExecutor.submit(mFlushCallable);
|
||||
break;
|
||||
case LOGGING_STATE_STOPPING:
|
||||
case LOGGING_STATE_STOPPED:
|
||||
}
|
||||
}
|
||||
|
||||
private Callable<Object> mFlushCallable = new Callable<Object>() {
|
||||
private final Callable<Object> mFlushCallable = new Callable<Object>() {
|
||||
@Override
|
||||
public Object call() throws Exception {
|
||||
if (mLoggingState == LOGGING_STATE_RUNNING) {
|
||||
mJsonWriter.flush();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
};
|
||||
|
|
@ -224,56 +178,40 @@ public class ResearchLog {
|
|||
mFlushFuture = mExecutor.schedule(mFlushCallable, FLUSH_DELAY_IN_MS, TimeUnit.MILLISECONDS);
|
||||
}
|
||||
|
||||
public synchronized void publishPublicEvents(final LogUnit logUnit) {
|
||||
switch (mLoggingState) {
|
||||
case LOGGING_STATE_UNSTARTED:
|
||||
break;
|
||||
case LOGGING_STATE_READY:
|
||||
case LOGGING_STATE_RUNNING:
|
||||
public synchronized void publish(final LogUnit logUnit, final boolean isIncludingPrivateData) {
|
||||
try {
|
||||
mExecutor.submit(new Callable<Object>() {
|
||||
@Override
|
||||
public Object call() throws Exception {
|
||||
logUnit.publishPublicEventsTo(ResearchLog.this);
|
||||
logUnit.publishTo(ResearchLog.this, isIncludingPrivateData);
|
||||
scheduleFlush();
|
||||
return null;
|
||||
}
|
||||
});
|
||||
break;
|
||||
case LOGGING_STATE_STOPPING:
|
||||
case LOGGING_STATE_STOPPED:
|
||||
}
|
||||
}
|
||||
|
||||
public synchronized void publishAllEvents(final LogUnit logUnit) {
|
||||
switch (mLoggingState) {
|
||||
case LOGGING_STATE_UNSTARTED:
|
||||
break;
|
||||
case LOGGING_STATE_READY:
|
||||
case LOGGING_STATE_RUNNING:
|
||||
mExecutor.submit(new Callable<Object>() {
|
||||
@Override
|
||||
public Object call() throws Exception {
|
||||
logUnit.publishAllEventsTo(ResearchLog.this);
|
||||
scheduleFlush();
|
||||
return null;
|
||||
}
|
||||
});
|
||||
break;
|
||||
case LOGGING_STATE_STOPPING:
|
||||
case LOGGING_STATE_STOPPED:
|
||||
} catch (RejectedExecutionException e) {
|
||||
// TODO: Add code to record loss of data, and report.
|
||||
}
|
||||
}
|
||||
|
||||
private static final String CURRENT_TIME_KEY = "_ct";
|
||||
private static final String UPTIME_KEY = "_ut";
|
||||
private static final String EVENT_TYPE_KEY = "_ty";
|
||||
|
||||
void outputEvent(final String[] keys, final Object[] values) {
|
||||
// not thread safe.
|
||||
// Not thread safe.
|
||||
if (keys.length == 0) {
|
||||
return;
|
||||
}
|
||||
if (DEBUG) {
|
||||
if (keys.length != values.length + 1) {
|
||||
Log.d(TAG, "Key and Value list sizes do not match. " + keys[0]);
|
||||
}
|
||||
}
|
||||
try {
|
||||
if (mJsonWriter == NULL_JSON_WRITER) {
|
||||
mJsonWriter = new JsonWriter(new BufferedWriter(new FileWriter(mFile)));
|
||||
mJsonWriter.setLenient(true);
|
||||
mJsonWriter.beginArray();
|
||||
mHasWrittenData = true;
|
||||
}
|
||||
mJsonWriter.beginObject();
|
||||
mJsonWriter.name(CURRENT_TIME_KEY).value(System.currentTimeMillis());
|
||||
|
|
@ -283,8 +221,8 @@ public class ResearchLog {
|
|||
for (int i = 0; i < length; i++) {
|
||||
mJsonWriter.name(keys[i + 1]);
|
||||
Object value = values[i];
|
||||
if (value instanceof String) {
|
||||
mJsonWriter.value((String) value);
|
||||
if (value instanceof CharSequence) {
|
||||
mJsonWriter.value(value.toString());
|
||||
} else if (value instanceof Number) {
|
||||
mJsonWriter.value((Number) value);
|
||||
} else if (value instanceof Boolean) {
|
||||
|
|
@ -331,14 +269,11 @@ public class ResearchLog {
|
|||
SuggestedWords words = (SuggestedWords) value;
|
||||
mJsonWriter.beginObject();
|
||||
mJsonWriter.name("typedWordValid").value(words.mTypedWordValid);
|
||||
mJsonWriter.name("willAutoCorrect")
|
||||
.value(words.mWillAutoCorrect);
|
||||
mJsonWriter.name("willAutoCorrect").value(words.mWillAutoCorrect);
|
||||
mJsonWriter.name("isPunctuationSuggestions")
|
||||
.value(words.mIsPunctuationSuggestions);
|
||||
mJsonWriter.name("isObsoleteSuggestions")
|
||||
.value(words.mIsObsoleteSuggestions);
|
||||
mJsonWriter.name("isPrediction")
|
||||
.value(words.mIsPrediction);
|
||||
mJsonWriter.name("isObsoleteSuggestions").value(words.mIsObsoleteSuggestions);
|
||||
mJsonWriter.name("isPrediction").value(words.mIsPrediction);
|
||||
mJsonWriter.name("words");
|
||||
mJsonWriter.beginArray();
|
||||
final int size = words.size();
|
||||
|
|
@ -363,8 +298,8 @@ public class ResearchLog {
|
|||
try {
|
||||
mJsonWriter.close();
|
||||
} catch (IllegalStateException e1) {
|
||||
// assume that this is just the json not being terminated properly.
|
||||
// ignore
|
||||
// Assume that this is just the json not being terminated properly.
|
||||
// Ignore
|
||||
} catch (IOException e1) {
|
||||
e1.printStackTrace();
|
||||
} finally {
|
||||
|
|
|
|||
|
|
@ -27,7 +27,6 @@ import android.os.BatteryManager;
|
|||
import android.util.Log;
|
||||
|
||||
import com.android.inputmethod.latin.R;
|
||||
import com.android.inputmethod.latin.R.string;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.File;
|
||||
|
|
@ -48,6 +47,7 @@ public final class ResearchLogUploader {
|
|||
private static final String TAG = ResearchLogUploader.class.getSimpleName();
|
||||
private static final int UPLOAD_INTERVAL_IN_MS = 1000 * 60 * 15; // every 15 min
|
||||
private static final int BUF_SIZE = 1024 * 8;
|
||||
protected static final int TIMEOUT_IN_MS = 1000 * 4;
|
||||
|
||||
private final boolean mCanUpload;
|
||||
private final Context mContext;
|
||||
|
|
@ -55,8 +55,6 @@ public final class ResearchLogUploader {
|
|||
private final URL mUrl;
|
||||
private final ScheduledExecutorService mExecutor;
|
||||
|
||||
private Runnable doUploadRunnable = new UploadRunnable(null, false);
|
||||
|
||||
public ResearchLogUploader(final Context context, final File filesDir) {
|
||||
mContext = context;
|
||||
mFilesDir = filesDir;
|
||||
|
|
@ -93,11 +91,15 @@ public final class ResearchLogUploader {
|
|||
|
||||
public void start() {
|
||||
if (mCanUpload) {
|
||||
Log.d(TAG, "scheduling regular uploading");
|
||||
mExecutor.scheduleWithFixedDelay(doUploadRunnable, UPLOAD_INTERVAL_IN_MS,
|
||||
UPLOAD_INTERVAL_IN_MS, TimeUnit.MILLISECONDS);
|
||||
} else {
|
||||
Log.d(TAG, "no permission to upload");
|
||||
mExecutor.scheduleWithFixedDelay(new UploadRunnable(null /* logToWaitFor */,
|
||||
null /* callback */, false /* forceUpload */),
|
||||
UPLOAD_INTERVAL_IN_MS, UPLOAD_INTERVAL_IN_MS, TimeUnit.MILLISECONDS);
|
||||
}
|
||||
}
|
||||
|
||||
public void uploadAfterCompletion(final ResearchLog researchLog, final Callback callback) {
|
||||
if (mCanUpload) {
|
||||
mExecutor.submit(new UploadRunnable(researchLog, callback, true /* forceUpload */));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -106,7 +108,8 @@ public final class ResearchLogUploader {
|
|||
// another upload happening right now, as it may have missed the latest changes.
|
||||
// TODO: Reschedule regular upload tests starting from now.
|
||||
if (mCanUpload) {
|
||||
mExecutor.submit(new UploadRunnable(callback, true));
|
||||
mExecutor.submit(new UploadRunnable(null /* logToWaitFor */, callback,
|
||||
true /* forceUpload */));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -130,19 +133,33 @@ public final class ResearchLogUploader {
|
|||
}
|
||||
|
||||
class UploadRunnable implements Runnable {
|
||||
private final ResearchLog mLogToWaitFor;
|
||||
private final Callback mCallback;
|
||||
private final boolean mForceUpload;
|
||||
|
||||
public UploadRunnable(final Callback callback, final boolean forceUpload) {
|
||||
public UploadRunnable(final ResearchLog logToWaitFor, final Callback callback,
|
||||
final boolean forceUpload) {
|
||||
mLogToWaitFor = logToWaitFor;
|
||||
mCallback = callback;
|
||||
mForceUpload = forceUpload;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
if (mLogToWaitFor != null) {
|
||||
waitFor(mLogToWaitFor);
|
||||
}
|
||||
doUpload();
|
||||
}
|
||||
|
||||
private void waitFor(final ResearchLog researchLog) {
|
||||
try {
|
||||
researchLog.awaitTermination(TIMEOUT_IN_MS, TimeUnit.MILLISECONDS);
|
||||
} catch (InterruptedException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
private void doUpload() {
|
||||
if (!mForceUpload && (!isExternallyPowered() || !hasWifiConnection())) {
|
||||
return;
|
||||
|
|
|
|||
|
|
@ -67,11 +67,8 @@ import com.android.inputmethod.latin.SuggestedWords;
|
|||
import com.android.inputmethod.latin.define.ProductionFlag;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.text.SimpleDateFormat;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Date;
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
import java.util.UUID;
|
||||
|
||||
|
|
@ -97,24 +94,21 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
new SimpleDateFormat("yyyyMMddHHmmssS", Locale.US);
|
||||
private static final boolean IS_SHOWING_INDICATOR = true;
|
||||
private static final boolean IS_SHOWING_INDICATOR_CLEARLY = false;
|
||||
public static final int FEEDBACK_WORD_BUFFER_SIZE = 5;
|
||||
|
||||
// constants related to specific log points
|
||||
private static final String WHITESPACE_SEPARATORS = " \t\n\r";
|
||||
private static final int MAX_INPUTVIEW_LENGTH_TO_CAPTURE = 8192; // must be >=1
|
||||
private static final String PREF_RESEARCH_LOGGER_UUID_STRING = "pref_research_logger_uuid";
|
||||
private static final int ABORT_TIMEOUT_IN_MS = 10 * 1000; // timeout to notify user
|
||||
|
||||
private static final ResearchLogger sInstance = new ResearchLogger();
|
||||
// to write to a different filename, e.g., for testing, set mFile before calling start()
|
||||
/* package */ File mFilesDir;
|
||||
/* package */ String mUUIDString;
|
||||
/* package */ ResearchLog mMainResearchLog;
|
||||
// The mIntentionalResearchLog records all events for the session, private or not (excepting
|
||||
// passwords). It is written to permanent storage only if the user explicitly commands
|
||||
// the system to do so.
|
||||
/* package */ ResearchLog mIntentionalResearchLog;
|
||||
// LogUnits are queued here and released only when the user requests the intentional log.
|
||||
private List<LogUnit> mIntentionalResearchLogQueue = new ArrayList<LogUnit>();
|
||||
/* package */ ResearchLog mFeedbackLog;
|
||||
/* package */ MainLogBuffer mMainLogBuffer;
|
||||
/* package */ LogBuffer mFeedbackLogBuffer;
|
||||
|
||||
private boolean mIsPasswordView = false;
|
||||
private boolean mIsLoggingSuspended = false;
|
||||
|
|
@ -139,9 +133,10 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
private KeyboardSwitcher mKeyboardSwitcher;
|
||||
private InputMethodService mInputMethodService;
|
||||
private final Statistics mStatistics;
|
||||
|
||||
private ResearchLogUploader mResearchLogUploader;
|
||||
|
||||
private LogUnit mCurrentLogUnit = new LogUnit();
|
||||
|
||||
private ResearchLogger() {
|
||||
mStatistics = Statistics.getInstance();
|
||||
}
|
||||
|
|
@ -264,6 +259,16 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
e.apply();
|
||||
}
|
||||
|
||||
private void setLoggingAllowed(boolean enableLogging) {
|
||||
if (mPrefs == null) {
|
||||
return;
|
||||
}
|
||||
Editor e = mPrefs.edit();
|
||||
e.putBoolean(PREF_USABILITY_STUDY_MODE, enableLogging);
|
||||
e.apply();
|
||||
sIsLogging = enableLogging;
|
||||
}
|
||||
|
||||
private File createLogFile(File filesDir) {
|
||||
final StringBuilder sb = new StringBuilder();
|
||||
sb.append(FILENAME_PREFIX).append('-');
|
||||
|
|
@ -310,97 +315,58 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
Log.w(TAG, "IME storage directory does not exist. Cannot start logging.");
|
||||
return;
|
||||
}
|
||||
try {
|
||||
if (mMainResearchLog == null || !mMainResearchLog.isAlive()) {
|
||||
if (mMainLogBuffer == null) {
|
||||
mMainResearchLog = new ResearchLog(createLogFile(mFilesDir));
|
||||
mMainLogBuffer = new MainLogBuffer(mMainResearchLog);
|
||||
mMainLogBuffer.setSuggest(mSuggest);
|
||||
}
|
||||
mMainResearchLog.start();
|
||||
if (mIntentionalResearchLog == null || !mIntentionalResearchLog.isAlive()) {
|
||||
mIntentionalResearchLog = new ResearchLog(createLogFile(mFilesDir));
|
||||
}
|
||||
mIntentionalResearchLog.start();
|
||||
} catch (IOException e) {
|
||||
Log.w(TAG, "Could not start ResearchLogger.");
|
||||
if (mFeedbackLogBuffer == null) {
|
||||
mFeedbackLog = new ResearchLog(createLogFile(mFilesDir));
|
||||
// LogBuffer is one more than FEEDBACK_WORD_BUFFER_SIZE, because it must also hold
|
||||
// the feedback LogUnit itself.
|
||||
mFeedbackLogBuffer = new LogBuffer(FEEDBACK_WORD_BUFFER_SIZE + 1);
|
||||
}
|
||||
}
|
||||
|
||||
/* package */ void stop() {
|
||||
logStatistics();
|
||||
publishLogUnit(mCurrentLogUnit, true);
|
||||
mCurrentLogUnit = new LogUnit();
|
||||
commitCurrentLogUnit();
|
||||
|
||||
if (mMainResearchLog != null) {
|
||||
mMainResearchLog.stop();
|
||||
if (mMainLogBuffer != null) {
|
||||
publishLogBuffer(mMainLogBuffer, mMainResearchLog, false /* isIncludingPrivateData */);
|
||||
mMainResearchLog.close();
|
||||
mMainLogBuffer = null;
|
||||
}
|
||||
if (mIntentionalResearchLog != null) {
|
||||
mIntentionalResearchLog.stop();
|
||||
if (mFeedbackLogBuffer != null) {
|
||||
mFeedbackLog.close();
|
||||
mFeedbackLogBuffer = null;
|
||||
}
|
||||
}
|
||||
|
||||
private static final String[] EVENTKEYS_STATISTICS = {
|
||||
"Statistics", "charCount", "letterCount", "numberCount", "spaceCount", "deleteOpsCount",
|
||||
"wordCount", "isEmptyUponStarting", "isEmptinessStateKnown", "averageTimeBetweenKeys",
|
||||
"averageTimeBeforeDelete", "averageTimeDuringRepeatedDelete", "averageTimeAfterDelete"
|
||||
};
|
||||
private static void logStatistics() {
|
||||
final ResearchLogger researchLogger = getInstance();
|
||||
final Statistics statistics = researchLogger.mStatistics;
|
||||
final Object[] values = {
|
||||
statistics.mCharCount, statistics.mLetterCount, statistics.mNumberCount,
|
||||
statistics.mSpaceCount, statistics.mDeleteKeyCount,
|
||||
statistics.mWordCount, statistics.mIsEmptyUponStarting,
|
||||
statistics.mIsEmptinessStateKnown, statistics.mKeyCounter.getAverageTime(),
|
||||
statistics.mBeforeDeleteKeyCounter.getAverageTime(),
|
||||
statistics.mDuringRepeatedDeleteKeysCounter.getAverageTime(),
|
||||
statistics.mAfterDeleteKeyCounter.getAverageTime()
|
||||
};
|
||||
researchLogger.enqueueEvent(EVENTKEYS_STATISTICS, values);
|
||||
}
|
||||
|
||||
private void setLoggingAllowed(boolean enableLogging) {
|
||||
if (mPrefs == null) {
|
||||
return;
|
||||
}
|
||||
Editor e = mPrefs.edit();
|
||||
e.putBoolean(PREF_USABILITY_STUDY_MODE, enableLogging);
|
||||
e.apply();
|
||||
sIsLogging = enableLogging;
|
||||
}
|
||||
|
||||
public boolean abort() {
|
||||
boolean didAbortMainLog = false;
|
||||
if (mMainResearchLog != null) {
|
||||
mMainResearchLog.abort();
|
||||
if (mMainLogBuffer != null) {
|
||||
mMainLogBuffer.clear();
|
||||
try {
|
||||
mMainResearchLog.waitUntilStopped(ABORT_TIMEOUT_IN_MS);
|
||||
didAbortMainLog = mMainResearchLog.blockingAbort();
|
||||
} catch (InterruptedException e) {
|
||||
// interrupted early. carry on.
|
||||
// Don't know whether this succeeded or not. We assume not; this is reported
|
||||
// to the caller.
|
||||
}
|
||||
if (mMainResearchLog.isAbortSuccessful()) {
|
||||
didAbortMainLog = true;
|
||||
mMainLogBuffer = null;
|
||||
}
|
||||
mMainResearchLog = null;
|
||||
}
|
||||
boolean didAbortIntentionalLog = false;
|
||||
if (mIntentionalResearchLog != null) {
|
||||
mIntentionalResearchLog.abort();
|
||||
boolean didAbortFeedbackLog = false;
|
||||
if (mFeedbackLogBuffer != null) {
|
||||
mFeedbackLogBuffer.clear();
|
||||
try {
|
||||
mIntentionalResearchLog.waitUntilStopped(ABORT_TIMEOUT_IN_MS);
|
||||
didAbortFeedbackLog = mFeedbackLog.blockingAbort();
|
||||
} catch (InterruptedException e) {
|
||||
// interrupted early. carry on.
|
||||
// Don't know whether this succeeded or not. We assume not; this is reported
|
||||
// to the caller.
|
||||
}
|
||||
if (mIntentionalResearchLog.isAbortSuccessful()) {
|
||||
didAbortIntentionalLog = true;
|
||||
}
|
||||
mIntentionalResearchLog = null;
|
||||
}
|
||||
return didAbortMainLog && didAbortIntentionalLog;
|
||||
}
|
||||
|
||||
/* package */ void flush() {
|
||||
if (mMainResearchLog != null) {
|
||||
mMainResearchLog.flush();
|
||||
mFeedbackLogBuffer = null;
|
||||
}
|
||||
return didAbortMainLog && didAbortFeedbackLog;
|
||||
}
|
||||
|
||||
private void restart() {
|
||||
|
|
@ -504,79 +470,39 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
latinIME.launchKeyboardedDialogActivity(FeedbackActivity.class);
|
||||
}
|
||||
|
||||
private ResearchLog mFeedbackLog;
|
||||
private List<LogUnit> mFeedbackQueue;
|
||||
private ResearchLog mSavedMainResearchLog;
|
||||
private ResearchLog mSavedIntentionalResearchLog;
|
||||
private List<LogUnit> mSavedIntentionalResearchLogQueue;
|
||||
|
||||
private void saveLogsForFeedback() {
|
||||
mFeedbackLog = mIntentionalResearchLog;
|
||||
if (mIntentionalResearchLogQueue != null) {
|
||||
mFeedbackQueue = new ArrayList<LogUnit>(mIntentionalResearchLogQueue);
|
||||
} else {
|
||||
mFeedbackQueue = null;
|
||||
}
|
||||
mSavedMainResearchLog = mMainResearchLog;
|
||||
mSavedIntentionalResearchLog = mIntentionalResearchLog;
|
||||
mSavedIntentionalResearchLogQueue = mIntentionalResearchLogQueue;
|
||||
|
||||
mMainResearchLog = null;
|
||||
mIntentionalResearchLog = null;
|
||||
mIntentionalResearchLogQueue = new ArrayList<LogUnit>();
|
||||
}
|
||||
|
||||
private static final int LOG_DRAIN_TIMEOUT_IN_MS = 1000 * 5;
|
||||
private static final String[] EVENTKEYS_FEEDBACK = {
|
||||
"UserTimestamp", "contents"
|
||||
};
|
||||
public void sendFeedback(final String feedbackContents, final boolean includeHistory) {
|
||||
if (includeHistory && mFeedbackLog != null) {
|
||||
try {
|
||||
LogUnit headerLogUnit = new LogUnit();
|
||||
headerLogUnit.addLogAtom(EVENTKEYS_INTENTIONAL_LOG, EVENTKEYS_NULLVALUES, false);
|
||||
mFeedbackLog.publishAllEvents(headerLogUnit);
|
||||
for (LogUnit logUnit : mFeedbackQueue) {
|
||||
mFeedbackLog.publishAllEvents(logUnit);
|
||||
}
|
||||
userFeedback(mFeedbackLog, feedbackContents);
|
||||
mFeedbackLog.stop();
|
||||
try {
|
||||
mFeedbackLog.waitUntilStopped(LOG_DRAIN_TIMEOUT_IN_MS);
|
||||
} catch (InterruptedException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
mIntentionalResearchLog = new ResearchLog(createLogFile(mFilesDir));
|
||||
mIntentionalResearchLog.start();
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
} finally {
|
||||
mIntentionalResearchLogQueue.clear();
|
||||
}
|
||||
mResearchLogUploader.uploadNow(null);
|
||||
} else {
|
||||
// create a separate ResearchLog just for feedback
|
||||
final ResearchLog feedbackLog = new ResearchLog(createLogFile(mFilesDir));
|
||||
try {
|
||||
feedbackLog.start();
|
||||
userFeedback(feedbackLog, feedbackContents);
|
||||
feedbackLog.stop();
|
||||
feedbackLog.waitUntilStopped(LOG_DRAIN_TIMEOUT_IN_MS);
|
||||
mResearchLogUploader.uploadNow(null);
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
} catch (InterruptedException e) {
|
||||
e.printStackTrace();
|
||||
if (mFeedbackLogBuffer == null) {
|
||||
return;
|
||||
}
|
||||
if (!includeHistory) {
|
||||
mFeedbackLogBuffer.clear();
|
||||
}
|
||||
commitCurrentLogUnit();
|
||||
final LogUnit feedbackLogUnit = new LogUnit();
|
||||
final Object[] values = {
|
||||
feedbackContents
|
||||
};
|
||||
feedbackLogUnit.addLogStatement(EVENTKEYS_FEEDBACK, values,
|
||||
false /* isPotentiallyPrivate */);
|
||||
mFeedbackLogBuffer.shiftIn(feedbackLogUnit);
|
||||
publishLogBuffer(mFeedbackLogBuffer, mFeedbackLog, true /* isIncludingPrivateData */);
|
||||
mFeedbackLog.close();
|
||||
mResearchLogUploader.uploadAfterCompletion(mFeedbackLog, null);
|
||||
mFeedbackLog = new ResearchLog(createLogFile(mFilesDir));
|
||||
}
|
||||
|
||||
public void onLeavingSendFeedbackDialog() {
|
||||
mInFeedbackDialog = false;
|
||||
mMainResearchLog = mSavedMainResearchLog;
|
||||
mIntentionalResearchLog = mSavedIntentionalResearchLog;
|
||||
mIntentionalResearchLogQueue = mSavedIntentionalResearchLogQueue;
|
||||
}
|
||||
|
||||
public void initSuggest(Suggest suggest) {
|
||||
mSuggest = suggest;
|
||||
if (mMainLogBuffer != null) {
|
||||
mMainLogBuffer.setSuggest(mSuggest);
|
||||
}
|
||||
}
|
||||
|
||||
private void setIsPasswordView(boolean isPasswordView) {
|
||||
|
|
@ -584,7 +510,7 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
}
|
||||
|
||||
private boolean isAllowedToLog() {
|
||||
return !mIsPasswordView && !mIsLoggingSuspended && sIsLogging;
|
||||
return !mIsPasswordView && !mIsLoggingSuspended && sIsLogging && !mInFeedbackDialog;
|
||||
}
|
||||
|
||||
public void requestIndicatorRedraw() {
|
||||
|
|
@ -631,13 +557,8 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
}
|
||||
}
|
||||
|
||||
private static final String CURRENT_TIME_KEY = "_ct";
|
||||
private static final String UPTIME_KEY = "_ut";
|
||||
private static final String EVENT_TYPE_KEY = "_ty";
|
||||
private static final Object[] EVENTKEYS_NULLVALUES = {};
|
||||
|
||||
private LogUnit mCurrentLogUnit = new LogUnit();
|
||||
|
||||
/**
|
||||
* Buffer a research log event, flagging it as privacy-sensitive.
|
||||
*
|
||||
|
|
@ -653,10 +574,14 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
final Object[] values) {
|
||||
assert values.length + 1 == keys.length;
|
||||
if (isAllowedToLog()) {
|
||||
mCurrentLogUnit.addLogAtom(keys, values, true);
|
||||
mCurrentLogUnit.addLogStatement(keys, values, true /* isPotentiallyPrivate */);
|
||||
}
|
||||
}
|
||||
|
||||
private void setCurrentLogUnitContainsDigitFlag() {
|
||||
mCurrentLogUnit.setContainsDigit();
|
||||
}
|
||||
|
||||
/**
|
||||
* Buffer a research log event, flaggint it as not privacy-sensitive.
|
||||
*
|
||||
|
|
@ -672,140 +597,54 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
private synchronized void enqueueEvent(final String[] keys, final Object[] values) {
|
||||
assert values.length + 1 == keys.length;
|
||||
if (isAllowedToLog()) {
|
||||
mCurrentLogUnit.addLogAtom(keys, values, false);
|
||||
mCurrentLogUnit.addLogStatement(keys, values, false /* isPotentiallyPrivate */);
|
||||
}
|
||||
}
|
||||
|
||||
// Used to track how often words are logged. Too-frequent logging can leak
|
||||
// semantics, disclosing private data.
|
||||
/* package for test */ static class LoggingFrequencyState {
|
||||
private static final int DEFAULT_WORD_LOG_FREQUENCY = 10;
|
||||
private int mWordsRemainingToSkip;
|
||||
private final int mFrequency;
|
||||
|
||||
/**
|
||||
* Tracks how often words may be uploaded.
|
||||
*
|
||||
* @param frequency 1=Every word, 2=Every other word, etc.
|
||||
*/
|
||||
public LoggingFrequencyState(int frequency) {
|
||||
mFrequency = frequency;
|
||||
mWordsRemainingToSkip = mFrequency;
|
||||
}
|
||||
|
||||
public void onWordLogged() {
|
||||
mWordsRemainingToSkip = mFrequency;
|
||||
}
|
||||
|
||||
public void onWordNotLogged() {
|
||||
if (mWordsRemainingToSkip > 1) {
|
||||
mWordsRemainingToSkip--;
|
||||
/* package for test */ void commitCurrentLogUnit() {
|
||||
if (!mCurrentLogUnit.isEmpty()) {
|
||||
if (mMainLogBuffer != null) {
|
||||
mMainLogBuffer.shiftIn(mCurrentLogUnit);
|
||||
if (mMainLogBuffer.isSafeToLog() && mMainResearchLog != null) {
|
||||
publishLogBuffer(mMainLogBuffer, mMainResearchLog,
|
||||
true /* isIncludingPrivateData */);
|
||||
mMainLogBuffer.resetWordCounter();
|
||||
}
|
||||
}
|
||||
|
||||
public boolean isSafeToLog() {
|
||||
return mWordsRemainingToSkip <= 1;
|
||||
}
|
||||
}
|
||||
|
||||
/* package for test */ LoggingFrequencyState mLoggingFrequencyState =
|
||||
new LoggingFrequencyState(LoggingFrequencyState.DEFAULT_WORD_LOG_FREQUENCY);
|
||||
|
||||
/* package for test */ boolean isPrivacyThreat(String word) {
|
||||
// Current checks:
|
||||
// - Word not in dictionary
|
||||
// - Word contains numbers
|
||||
// - Privacy-safe word not logged recently
|
||||
if (TextUtils.isEmpty(word)) {
|
||||
return false;
|
||||
}
|
||||
if (!mLoggingFrequencyState.isSafeToLog()) {
|
||||
return true;
|
||||
}
|
||||
final int length = word.length();
|
||||
boolean hasLetter = false;
|
||||
for (int i = 0; i < length; i = word.offsetByCodePoints(i, 1)) {
|
||||
final int codePoint = Character.codePointAt(word, i);
|
||||
if (Character.isDigit(codePoint)) {
|
||||
return true;
|
||||
}
|
||||
if (Character.isLetter(codePoint)) {
|
||||
hasLetter = true;
|
||||
break; // Word may contain digits, but will only be allowed if in the dictionary.
|
||||
}
|
||||
}
|
||||
if (hasLetter) {
|
||||
if (mDictionary == null && mSuggest != null && mSuggest.hasMainDictionary()) {
|
||||
mDictionary = mSuggest.getMainDictionary();
|
||||
}
|
||||
if (mDictionary == null) {
|
||||
// Can't access dictionary. Assume privacy threat.
|
||||
return true;
|
||||
}
|
||||
return !(mDictionary.isValidWord(word));
|
||||
}
|
||||
// No letters, no numbers. Punctuation, space, or something else.
|
||||
return false;
|
||||
}
|
||||
|
||||
private void onWordComplete(String word) {
|
||||
if (isPrivacyThreat(word)) {
|
||||
publishLogUnit(mCurrentLogUnit, true);
|
||||
mLoggingFrequencyState.onWordNotLogged();
|
||||
} else {
|
||||
publishLogUnit(mCurrentLogUnit, false);
|
||||
mLoggingFrequencyState.onWordLogged();
|
||||
if (mFeedbackLogBuffer != null) {
|
||||
mFeedbackLogBuffer.shiftIn(mCurrentLogUnit);
|
||||
}
|
||||
mCurrentLogUnit = new LogUnit();
|
||||
Log.d(TAG, "commitCurrentLogUnit");
|
||||
}
|
||||
}
|
||||
|
||||
/* package for test */ void publishLogBuffer(final LogBuffer logBuffer,
|
||||
final ResearchLog researchLog, final boolean isIncludingPrivateData) {
|
||||
LogUnit logUnit;
|
||||
while ((logUnit = logBuffer.shiftOut()) != null) {
|
||||
researchLog.publish(logUnit, isIncludingPrivateData);
|
||||
}
|
||||
}
|
||||
|
||||
private boolean hasOnlyLetters(final String word) {
|
||||
final int length = word.length();
|
||||
for (int i = 0; i < length; i = word.offsetByCodePoints(i, 1)) {
|
||||
final int codePoint = word.codePointAt(i);
|
||||
if (!Character.isLetter(codePoint)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
private void onWordComplete(final String word) {
|
||||
Log.d(TAG, "onWordComplete: " + word);
|
||||
if (word != null && word.length() > 0 && hasOnlyLetters(word)) {
|
||||
mCurrentLogUnit.setWord(word);
|
||||
mStatistics.recordWordEntered();
|
||||
}
|
||||
|
||||
private void publishLogUnit(LogUnit logUnit, boolean isPrivacySensitive) {
|
||||
if (!isAllowedToLog()) {
|
||||
return;
|
||||
}
|
||||
if (mMainResearchLog == null) {
|
||||
return;
|
||||
}
|
||||
if (isPrivacySensitive) {
|
||||
mMainResearchLog.publishPublicEvents(logUnit);
|
||||
} else {
|
||||
mMainResearchLog.publishAllEvents(logUnit);
|
||||
}
|
||||
mIntentionalResearchLogQueue.add(logUnit);
|
||||
}
|
||||
|
||||
/* package */ void publishCurrentLogUnit(ResearchLog researchLog, boolean isPrivacySensitive) {
|
||||
publishLogUnit(mCurrentLogUnit, isPrivacySensitive);
|
||||
}
|
||||
|
||||
static class LogUnit {
|
||||
private final List<String[]> mKeysList = new ArrayList<String[]>();
|
||||
private final List<Object[]> mValuesList = new ArrayList<Object[]>();
|
||||
private final List<Boolean> mIsPotentiallyPrivate = new ArrayList<Boolean>();
|
||||
|
||||
private void addLogAtom(final String[] keys, final Object[] values,
|
||||
final Boolean isPotentiallyPrivate) {
|
||||
mKeysList.add(keys);
|
||||
mValuesList.add(values);
|
||||
mIsPotentiallyPrivate.add(isPotentiallyPrivate);
|
||||
}
|
||||
|
||||
public void publishPublicEventsTo(ResearchLog researchLog) {
|
||||
final int size = mKeysList.size();
|
||||
for (int i = 0; i < size; i++) {
|
||||
if (!mIsPotentiallyPrivate.get(i)) {
|
||||
researchLog.outputEvent(mKeysList.get(i), mValuesList.get(i));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void publishAllEventsTo(ResearchLog researchLog) {
|
||||
final int size = mKeysList.size();
|
||||
for (int i = 0; i < size; i++) {
|
||||
researchLog.outputEvent(mKeysList.get(i), mValuesList.get(i));
|
||||
}
|
||||
}
|
||||
commitCurrentLogUnit();
|
||||
}
|
||||
|
||||
private static int scrubDigitFromCodePoint(int codePoint) {
|
||||
|
|
@ -858,12 +697,6 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
return WORD_REPLACEMENT_STRING;
|
||||
}
|
||||
|
||||
// Special methods related to startup, shutdown, logging itself
|
||||
|
||||
private static final String[] EVENTKEYS_INTENTIONAL_LOG = {
|
||||
"IntentionalLog"
|
||||
};
|
||||
|
||||
private static final String[] EVENTKEYS_LATINIME_ONSTARTINPUTVIEWINTERNAL = {
|
||||
"LatinIMEOnStartInputViewInternal", "uuid", "packageName", "inputType", "imeOptions",
|
||||
"fieldId", "display", "model", "prefs", "versionCode", "versionName", "outputFormatVersion"
|
||||
|
|
@ -871,9 +704,6 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
public static void latinIME_onStartInputViewInternal(final EditorInfo editorInfo,
|
||||
final SharedPreferences prefs) {
|
||||
final ResearchLogger researchLogger = getInstance();
|
||||
if (researchLogger.mInFeedbackDialog) {
|
||||
researchLogger.saveLogsForFeedback();
|
||||
}
|
||||
researchLogger.start();
|
||||
if (editorInfo != null) {
|
||||
final Context context = researchLogger.mInputMethodService;
|
||||
|
|
@ -905,16 +735,6 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
"UserFeedback", "FeedbackContents"
|
||||
};
|
||||
|
||||
private void userFeedback(ResearchLog researchLog, String feedbackContents) {
|
||||
// this method is special; it directs the feedbackContents to a particular researchLog
|
||||
final LogUnit logUnit = new LogUnit();
|
||||
final Object[] values = {
|
||||
feedbackContents
|
||||
};
|
||||
logUnit.addLogAtom(EVENTKEYS_USER_FEEDBACK, values, false);
|
||||
researchLog.publishAllEvents(logUnit);
|
||||
}
|
||||
|
||||
// Regular logging methods
|
||||
|
||||
private static final String[] EVENTKEYS_MAINKEYBOARDVIEW_PROCESSMOTIONEVENT = {
|
||||
|
|
@ -949,12 +769,16 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
"LatinIMEOnCodeInput", "code", "x", "y"
|
||||
};
|
||||
public static void latinIME_onCodeInput(final int code, final int x, final int y) {
|
||||
final long time = SystemClock.uptimeMillis();
|
||||
final ResearchLogger researchLogger = getInstance();
|
||||
final Object[] values = {
|
||||
Keyboard.printableCode(scrubDigitFromCodePoint(code)), x, y
|
||||
};
|
||||
final ResearchLogger researchLogger = getInstance();
|
||||
researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_ONCODEINPUT, values);
|
||||
researchLogger.mStatistics.recordChar(code, SystemClock.uptimeMillis());
|
||||
if (Character.isDigit(code)) {
|
||||
researchLogger.setCurrentLogUnitContainsDigitFlag();
|
||||
}
|
||||
researchLogger.mStatistics.recordChar(code, time);
|
||||
}
|
||||
|
||||
private static final String[] EVENTKEYS_LATINIME_ONDISPLAYCOMPLETIONS = {
|
||||
|
|
@ -1019,9 +843,7 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
}
|
||||
final ResearchLogger researchLogger = getInstance();
|
||||
researchLogger.enqueueEvent(EVENTKEYS_LATINIME_ONWINDOWHIDDEN, values);
|
||||
// Play it safe. Remove privacy-sensitive events.
|
||||
researchLogger.publishLogUnit(researchLogger.mCurrentLogUnit, true);
|
||||
researchLogger.mCurrentLogUnit = new LogUnit();
|
||||
researchLogger.commitCurrentLogUnit();
|
||||
getInstance().stop();
|
||||
}
|
||||
}
|
||||
|
|
@ -1086,7 +908,11 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
final Object[] values = {
|
||||
Keyboard.printableCode(scrubDigitFromCodePoint(code))
|
||||
};
|
||||
getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_SENDKEYCODEPOINT, values);
|
||||
final ResearchLogger researchLogger = getInstance();
|
||||
researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_SENDKEYCODEPOINT, values);
|
||||
if (Character.isDigit(code)) {
|
||||
researchLogger.setCurrentLogUnitContainsDigitFlag();
|
||||
}
|
||||
}
|
||||
|
||||
private static final String[] EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACE = {
|
||||
|
|
@ -1224,10 +1050,21 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
EVENTKEYS_RICHINPUTCONNECTION_COMMITCOMPLETION, values);
|
||||
}
|
||||
|
||||
// Disabled for privacy-protection reasons. Because this event comes after
|
||||
// richInputConnection_commitText, which is the event used to separate LogUnits, the
|
||||
// data in this event can be associated with the next LogUnit, revealing information
|
||||
// about the current word even if it was supposed to be suppressed. The occurrance of
|
||||
// autocorrection can be determined by examining the difference between the text strings in
|
||||
// the last call to richInputConnection_setComposingText before
|
||||
// richInputConnection_commitText, so it's not a data loss.
|
||||
// TODO: Figure out how to log this event without loss of privacy.
|
||||
/*
|
||||
private static final String[] EVENTKEYS_RICHINPUTCONNECTION_COMMITCORRECTION = {
|
||||
"RichInputConnectionCommitCorrection", "CorrectionInfo"
|
||||
"RichInputConnectionCommitCorrection", "typedWord", "autoCorrection"
|
||||
};
|
||||
*/
|
||||
public static void richInputConnection_commitCorrection(CorrectionInfo correctionInfo) {
|
||||
/*
|
||||
final String typedWord = correctionInfo.getOldText().toString();
|
||||
final String autoCorrection = correctionInfo.getNewText().toString();
|
||||
final Object[] values = {
|
||||
|
|
@ -1236,6 +1073,7 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
final ResearchLogger researchLogger = getInstance();
|
||||
researchLogger.enqueuePotentiallyPrivateEvent(
|
||||
EVENTKEYS_RICHINPUTCONNECTION_COMMITCORRECTION, values);
|
||||
*/
|
||||
}
|
||||
|
||||
private static final String[] EVENTKEYS_RICHINPUTCONNECTION_COMMITTEXT = {
|
||||
|
|
@ -1261,7 +1099,8 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
final Object[] values = {
|
||||
beforeLength, afterLength
|
||||
};
|
||||
getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_DELETESURROUNDINGTEXT, values);
|
||||
getInstance().enqueuePotentiallyPrivateEvent(
|
||||
EVENTKEYS_RICHINPUTCONNECTION_DELETESURROUNDINGTEXT, values);
|
||||
}
|
||||
|
||||
private static final String[] EVENTKEYS_RICHINPUTCONNECTION_FINISHCOMPOSINGTEXT = {
|
||||
|
|
@ -1291,7 +1130,8 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
keyEvent.getAction(),
|
||||
keyEvent.getKeyCode()
|
||||
};
|
||||
getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_SENDKEYEVENT, values);
|
||||
getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_RICHINPUTCONNECTION_SENDKEYEVENT,
|
||||
values);
|
||||
}
|
||||
|
||||
private static final String[] EVENTKEYS_RICHINPUTCONNECTION_SETCOMPOSINGTEXT = {
|
||||
|
|
@ -1299,10 +1139,14 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
};
|
||||
public static void richInputConnection_setComposingText(final CharSequence text,
|
||||
final int newCursorPosition) {
|
||||
if (text == null) {
|
||||
throw new RuntimeException("setComposingText is null");
|
||||
}
|
||||
final Object[] values = {
|
||||
text, newCursorPosition
|
||||
};
|
||||
getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_SETCOMPOSINGTEXT, values);
|
||||
getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_RICHINPUTCONNECTION_SETCOMPOSINGTEXT,
|
||||
values);
|
||||
}
|
||||
|
||||
private static final String[] EVENTKEYS_RICHINPUTCONNECTION_SETSELECTION = {
|
||||
|
|
@ -1312,7 +1156,8 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
final Object[] values = {
|
||||
from, to
|
||||
};
|
||||
getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_SETSELECTION, values);
|
||||
getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_RICHINPUTCONNECTION_SETSELECTION,
|
||||
values);
|
||||
}
|
||||
|
||||
private static final String[] EVENTKEYS_SUDDENJUMPINGTOUCHEVENTHANDLER_ONTOUCHEVENT = {
|
||||
|
|
@ -1347,4 +1192,24 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
|
|||
public void userTimestamp() {
|
||||
getInstance().enqueueEvent(EVENTKEYS_USER_TIMESTAMP, EVENTKEYS_NULLVALUES);
|
||||
}
|
||||
|
||||
private static final String[] EVENTKEYS_STATISTICS = {
|
||||
"Statistics", "charCount", "letterCount", "numberCount", "spaceCount", "deleteOpsCount",
|
||||
"wordCount", "isEmptyUponStarting", "isEmptinessStateKnown", "averageTimeBetweenKeys",
|
||||
"averageTimeBeforeDelete", "averageTimeDuringRepeatedDelete", "averageTimeAfterDelete"
|
||||
};
|
||||
private static void logStatistics() {
|
||||
final ResearchLogger researchLogger = getInstance();
|
||||
final Statistics statistics = researchLogger.mStatistics;
|
||||
final Object[] values = {
|
||||
statistics.mCharCount, statistics.mLetterCount, statistics.mNumberCount,
|
||||
statistics.mSpaceCount, statistics.mDeleteKeyCount,
|
||||
statistics.mWordCount, statistics.mIsEmptyUponStarting,
|
||||
statistics.mIsEmptinessStateKnown, statistics.mKeyCounter.getAverageTime(),
|
||||
statistics.mBeforeDeleteKeyCounter.getAverageTime(),
|
||||
statistics.mDuringRepeatedDeleteKeysCounter.getAverageTime(),
|
||||
statistics.mAfterDeleteKeyCounter.getAverageTime()
|
||||
};
|
||||
researchLogger.enqueueEvent(EVENTKEYS_STATISTICS, values);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -66,8 +66,8 @@ public class Statistics {
|
|||
|
||||
// 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 int MIN_TYPING_INTERMISSION = 5 * 1000; // in milliseconds
|
||||
public static final int MIN_DELETION_INTERMISSION = 15 * 1000; // in milliseconds
|
||||
public static final int MIN_TYPING_INTERMISSION = 2 * 1000; // in milliseconds
|
||||
public static final int MIN_DELETION_INTERMISSION = 10 * 1000; // in milliseconds
|
||||
|
||||
// The last time that a tap was performed
|
||||
private long mLastTapTime;
|
||||
|
|
|
|||
Loading…
Reference in New Issue