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-rw-r--r--java/src/com/android/inputmethod/research/MotionEventReader.java324
1 files changed, 0 insertions, 324 deletions
diff --git a/java/src/com/android/inputmethod/research/MotionEventReader.java b/java/src/com/android/inputmethod/research/MotionEventReader.java
deleted file mode 100644
index f6b7352e7..000000000
--- a/java/src/com/android/inputmethod/research/MotionEventReader.java
+++ /dev/null
@@ -1,324 +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.research;
-
-import android.util.JsonReader;
-import android.util.Log;
-import android.view.MotionEvent;
-import android.view.MotionEvent.PointerCoords;
-import android.view.MotionEvent.PointerProperties;
-
-import com.android.inputmethod.annotations.UsedForTesting;
-import com.android.inputmethod.latin.define.ProductionFlag;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.util.ArrayList;
-
-public class MotionEventReader {
- private static final String TAG = MotionEventReader.class.getSimpleName();
- private static final boolean DEBUG = false
- && ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS_DEBUG;
- // Assumes that MotionEvent.ACTION_MASK does not have all bits set.`
- private static final int UNINITIALIZED_ACTION = ~MotionEvent.ACTION_MASK;
- // No legitimate int is negative
- private static final int UNINITIALIZED_INT = -1;
- // No legitimate long is negative
- private static final long UNINITIALIZED_LONG = -1L;
- // No legitimate float is negative
- private static final float UNINITIALIZED_FLOAT = -1.0f;
-
- public ReplayData readMotionEventData(final File file) {
- final ReplayData replayData = new ReplayData();
- try {
- // Read file
- final JsonReader jsonReader = new JsonReader(new BufferedReader(new InputStreamReader(
- new FileInputStream(file))));
- jsonReader.beginArray();
- while (jsonReader.hasNext()) {
- readLogStatement(jsonReader, replayData);
- }
- jsonReader.endArray();
- } catch (FileNotFoundException e) {
- e.printStackTrace();
- } catch (IOException e) {
- e.printStackTrace();
- }
- return replayData;
- }
-
- @UsedForTesting
- static class ReplayData {
- final ArrayList<Integer> mActions = new ArrayList<>();
- final ArrayList<PointerProperties[]> mPointerPropertiesArrays = new ArrayList<>();
- final ArrayList<PointerCoords[]> mPointerCoordsArrays = new ArrayList<>();
- final ArrayList<Long> mTimes = new ArrayList<>();
- }
-
- /**
- * Read motion data from a logStatement and store it in {@code replayData}.
- *
- * Two kinds of logStatements can be read. In the first variant, the MotionEvent data is
- * represented as attributes at the top level like so:
- *
- * <pre>
- * {
- * "_ct": 1359590400000,
- * "_ut": 4381933,
- * "_ty": "MotionEvent",
- * "action": "UP",
- * "isLoggingRelated": false,
- * "x": 100,
- * "y": 200
- * }
- * </pre>
- *
- * In the second variant, there is a separate attribute for the MotionEvent that includes
- * historical data if present:
- *
- * <pre>
- * {
- * "_ct": 135959040000,
- * "_ut": 4382702,
- * "_ty": "MotionEvent",
- * "action": "MOVE",
- * "isLoggingRelated": false,
- * "motionEvent": {
- * "pointerIds": [
- * 0
- * ],
- * "xyt": [
- * {
- * "t": 4382551,
- * "d": [
- * {
- * "x": 141.25,
- * "y": 151.8485107421875,
- * "toma": 101.82337188720703,
- * "tomi": 101.82337188720703,
- * "o": 0.0
- * }
- * ]
- * },
- * {
- * "t": 4382559,
- * "d": [
- * {
- * "x": 140.7266082763672,
- * "y": 151.8485107421875,
- * "toma": 101.82337188720703,
- * "tomi": 101.82337188720703,
- * "o": 0.0
- * }
- * ]
- * }
- * ]
- * }
- * },
- * </pre>
- */
- @UsedForTesting
- /* package for test */ void readLogStatement(final JsonReader jsonReader,
- final ReplayData replayData) throws IOException {
- String logStatementType = null;
- int actionType = UNINITIALIZED_ACTION;
- int x = UNINITIALIZED_INT;
- int y = UNINITIALIZED_INT;
- long time = UNINITIALIZED_LONG;
- boolean isLoggingRelated = false;
-
- jsonReader.beginObject();
- while (jsonReader.hasNext()) {
- final String key = jsonReader.nextName();
- if (key.equals("_ty")) {
- logStatementType = jsonReader.nextString();
- } else if (key.equals("_ut")) {
- time = jsonReader.nextLong();
- } else if (key.equals("x")) {
- x = jsonReader.nextInt();
- } else if (key.equals("y")) {
- y = jsonReader.nextInt();
- } else if (key.equals("action")) {
- final String s = jsonReader.nextString();
- if (s.equals("UP")) {
- actionType = MotionEvent.ACTION_UP;
- } else if (s.equals("DOWN")) {
- actionType = MotionEvent.ACTION_DOWN;
- } else if (s.equals("MOVE")) {
- actionType = MotionEvent.ACTION_MOVE;
- }
- } else if (key.equals("loggingRelated")) {
- isLoggingRelated = jsonReader.nextBoolean();
- } else if (logStatementType != null && logStatementType.equals("MotionEvent")
- && key.equals("motionEvent")) {
- if (actionType == UNINITIALIZED_ACTION) {
- Log.e(TAG, "no actionType assigned in MotionEvent json");
- }
- // Second variant of LogStatement.
- if (isLoggingRelated) {
- jsonReader.skipValue();
- } else {
- readEmbeddedMotionEvent(jsonReader, replayData, actionType);
- }
- } else {
- if (DEBUG) {
- Log.w(TAG, "Unknown JSON key in LogStatement: " + key);
- }
- jsonReader.skipValue();
- }
- }
- jsonReader.endObject();
-
- if (logStatementType != null && time != UNINITIALIZED_LONG && x != UNINITIALIZED_INT
- && y != UNINITIALIZED_INT && actionType != UNINITIALIZED_ACTION
- && logStatementType.equals("MotionEvent") && !isLoggingRelated) {
- // First variant of LogStatement.
- final PointerProperties pointerProperties = new PointerProperties();
- pointerProperties.id = 0;
- pointerProperties.toolType = MotionEvent.TOOL_TYPE_UNKNOWN;
- final PointerProperties[] pointerPropertiesArray = {
- pointerProperties
- };
- final PointerCoords pointerCoords = new PointerCoords();
- pointerCoords.x = x;
- pointerCoords.y = y;
- pointerCoords.pressure = 1.0f;
- pointerCoords.size = 1.0f;
- final PointerCoords[] pointerCoordsArray = {
- pointerCoords
- };
- addMotionEventData(replayData, actionType, time, pointerPropertiesArray,
- pointerCoordsArray);
- }
- }
-
- private void readEmbeddedMotionEvent(final JsonReader jsonReader, final ReplayData replayData,
- final int actionType) throws IOException {
- jsonReader.beginObject();
- PointerProperties[] pointerPropertiesArray = null;
- while (jsonReader.hasNext()) { // pointerIds/xyt
- final String name = jsonReader.nextName();
- if (name.equals("pointerIds")) {
- pointerPropertiesArray = readPointerProperties(jsonReader);
- } else if (name.equals("xyt")) {
- readPointerData(jsonReader, replayData, actionType, pointerPropertiesArray);
- }
- }
- jsonReader.endObject();
- }
-
- private PointerProperties[] readPointerProperties(final JsonReader jsonReader)
- throws IOException {
- final ArrayList<PointerProperties> pointerPropertiesArrayList = new ArrayList<>();
- jsonReader.beginArray();
- while (jsonReader.hasNext()) {
- final PointerProperties pointerProperties = new PointerProperties();
- pointerProperties.id = jsonReader.nextInt();
- pointerProperties.toolType = MotionEvent.TOOL_TYPE_UNKNOWN;
- pointerPropertiesArrayList.add(pointerProperties);
- }
- jsonReader.endArray();
- return pointerPropertiesArrayList.toArray(
- new PointerProperties[pointerPropertiesArrayList.size()]);
- }
-
- private void readPointerData(final JsonReader jsonReader, final ReplayData replayData,
- final int actionType, final PointerProperties[] pointerPropertiesArray)
- throws IOException {
- if (pointerPropertiesArray == null) {
- Log.e(TAG, "PointerIDs must be given before xyt data in json for MotionEvent");
- jsonReader.skipValue();
- return;
- }
- long time = UNINITIALIZED_LONG;
- jsonReader.beginArray();
- while (jsonReader.hasNext()) { // Array of historical data
- jsonReader.beginObject();
- final ArrayList<PointerCoords> pointerCoordsArrayList = new ArrayList<>();
- while (jsonReader.hasNext()) { // Time/data object
- final String name = jsonReader.nextName();
- if (name.equals("t")) {
- time = jsonReader.nextLong();
- } else if (name.equals("d")) {
- jsonReader.beginArray();
- while (jsonReader.hasNext()) { // array of data per pointer
- final PointerCoords pointerCoords = readPointerCoords(jsonReader);
- if (pointerCoords != null) {
- pointerCoordsArrayList.add(pointerCoords);
- }
- }
- jsonReader.endArray();
- } else {
- jsonReader.skipValue();
- }
- }
- jsonReader.endObject();
- // Data was recorded as historical events, but must be split apart into
- // separate MotionEvents for replaying
- if (time != UNINITIALIZED_LONG) {
- addMotionEventData(replayData, actionType, time, pointerPropertiesArray,
- pointerCoordsArrayList.toArray(
- new PointerCoords[pointerCoordsArrayList.size()]));
- } else {
- Log.e(TAG, "Time not assigned in json for MotionEvent");
- }
- }
- jsonReader.endArray();
- }
-
- private PointerCoords readPointerCoords(final JsonReader jsonReader) throws IOException {
- jsonReader.beginObject();
- float x = UNINITIALIZED_FLOAT;
- float y = UNINITIALIZED_FLOAT;
- while (jsonReader.hasNext()) { // x,y
- final String name = jsonReader.nextName();
- if (name.equals("x")) {
- x = (float) jsonReader.nextDouble();
- } else if (name.equals("y")) {
- y = (float) jsonReader.nextDouble();
- } else {
- jsonReader.skipValue();
- }
- }
- jsonReader.endObject();
-
- if (Float.compare(x, UNINITIALIZED_FLOAT) == 0
- || Float.compare(y, UNINITIALIZED_FLOAT) == 0) {
- Log.w(TAG, "missing x or y value in MotionEvent json");
- return null;
- }
- final PointerCoords pointerCoords = new PointerCoords();
- pointerCoords.x = x;
- pointerCoords.y = y;
- pointerCoords.pressure = 1.0f;
- pointerCoords.size = 1.0f;
- return pointerCoords;
- }
-
- private void addMotionEventData(final ReplayData replayData, final int actionType,
- final long time, final PointerProperties[] pointerProperties,
- final PointerCoords[] pointerCoords) {
- replayData.mActions.add(actionType);
- replayData.mTimes.add(time);
- replayData.mPointerPropertiesArrays.add(pointerProperties);
- replayData.mPointerCoordsArrays.add(pointerCoords);
- }
-}
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