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[Rlog48c] Replay historical motion data

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Change-Id: Ib398ea61ff048b1a4ac3b7f7b4a772e173a7b294
This commit is contained in:
Kurt Partridge 2013-01-31 09:59:16 -08:00
parent ce9e7f667d
commit 7708bcf6fb
3 changed files with 421 additions and 21 deletions
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253
java/src/com/android/inputmethod/research/MotionEventReader.java
View file

@ -19,6 +19,8 @@ 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.latin.define.ProductionFlag;
@ -33,6 +35,14 @@ import java.util.ArrayList;
public class MotionEventReader {
private static final String TAG = MotionEventReader.class.getSimpleName();
private static final boolean DEBUG = false && ProductionFlag.IS_EXPERIMENTAL_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();
@ -55,19 +65,82 @@ public class MotionEventReader {
static class ReplayData {
final ArrayList<Integer> mActions = new ArrayList<Integer>();
final ArrayList<Integer> mXCoords = new ArrayList<Integer>();
final ArrayList<Integer> mYCoords = new ArrayList<Integer>();
final ArrayList<PointerProperties[]> mPointerPropertiesArrays
= new ArrayList<PointerProperties[]>();
final ArrayList<PointerCoords[]> mPointerCoordsArrays = new ArrayList<PointerCoords[]>();
final ArrayList<Long> mTimes = new ArrayList<Long>();
}
private void readLogStatement(final JsonReader jsonReader, final ReplayData replayData)
throws IOException {
/**
* 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>
*/
/* package for test */ void readLogStatement(final JsonReader jsonReader,
final ReplayData replayData) throws IOException {
String logStatementType = null;
Integer actionType = null;
Integer x = null;
Integer y = null;
Long time = null;
boolean loggingRelated = false;
int actionType = UNINITIALIZED_ACTION;
int x = UNINITIALIZED_INT;
int y = UNINITIALIZED_INT;
long time = UNINITIALIZED_LONG;
boolean isLoggingRelated = false;
jsonReader.beginObject();
while (jsonReader.hasNext()) {
@ -90,7 +163,18 @@ public class MotionEventReader {
actionType = MotionEvent.ACTION_MOVE;
}
} else if (key.equals("loggingRelated")) {
loggingRelated = jsonReader.nextBoolean();
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);
@ -100,14 +184,149 @@ public class MotionEventReader {
}
jsonReader.endObject();
if (logStatementType != null && time != null && x != null && y != null && actionType != null
&& logStatementType.equals("MotionEvent")
&& !loggingRelated) {
replayData.mActions.add(actionType);
replayData.mXCoords.add(x);
replayData.mYCoords.add(y);
replayData.mTimes.add(time);
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<PointerProperties>();
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<PointerCoords>();
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;
}
/**
* Tests that {@code x} is uninitialized.
*
* Assumes that {@code x} will never be given a valid value less than 0, and that
* UNINITIALIZED_FLOAT is less than 0.0f.
*/
private boolean isUninitializedFloat(final float x) {
return x < 0.0f;
}
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);
}
}

20
java/src/com/android/inputmethod/research/Replayer.java
View file

@ -22,6 +22,8 @@ import android.os.Message;
import android.os.SystemClock;
import android.util.Log;
import android.view.MotionEvent;
import android.view.MotionEvent.PointerCoords;
import android.view.MotionEvent.PointerProperties;
import com.android.inputmethod.keyboard.KeyboardSwitcher;
import com.android.inputmethod.keyboard.MainKeyboardView;
@ -62,7 +64,6 @@ public class Replayer {
if (mIsReplaying) {
return;
}
mIsReplaying = true;
final int numActions = replayData.mActions.size();
if (DEBUG) {
@ -95,25 +96,36 @@ public class Replayer {
case MSG_MOTION_EVENT:
final int index = msg.arg1;
final int action = replayData.mActions.get(index);
final int x = replayData.mXCoords.get(index);
final int y = replayData.mYCoords.get(index);
final PointerProperties[] pointerPropertiesArray =
replayData.mPointerPropertiesArrays.get(index);
final PointerCoords[] pointerCoordsArray =
replayData.mPointerCoordsArrays.get(index);
final long origTime = replayData.mTimes.get(index);
if (action == MotionEvent.ACTION_DOWN) {
mOrigDownTime = origTime;
}
final MotionEvent me = MotionEvent.obtain(mOrigDownTime + timeAdjustment,
origTime + timeAdjustment, action, x, y, 0);
origTime + timeAdjustment, action,
pointerPropertiesArray.length, pointerPropertiesArray,
pointerCoordsArray, 0, 0, 1.0f, 1.0f, 0, 0, 0, 0);
mainKeyboardView.processMotionEvent(me);
me.recycle();
break;
case MSG_DONE:
mIsReplaying = false;
ResearchLogger.getInstance().requestIndicatorRedraw();
break;
}
}
};
handler.post(new Runnable() {
@Override
public void run() {
ResearchLogger.getInstance().requestIndicatorRedraw();
}
});
for (int i = 0; i < numActions; i++) {
final Message msg = Message.obtain(handler, MSG_MOTION_EVENT, i, 0);
final long msgTime = replayData.mTimes.get(i) + timeAdjustment;

169
tests/src/com/android/inputmethod/research/MotionEventReaderTests.java Normal file
View file

@ -0,0 +1,169 @@
/*
* 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.test.AndroidTestCase;
import android.util.JsonReader;
import com.android.inputmethod.research.MotionEventReader.ReplayData;
import java.io.IOException;
import java.io.StringReader;
public class MotionEventReaderTests extends AndroidTestCase {
private MotionEventReader mMotionEventReader = new MotionEventReader();
private ReplayData mReplayData;
@Override
protected void setUp() throws Exception {
super.setUp();
mReplayData = new ReplayData();
}
private JsonReader jsonReaderForString(final String s) {
return new JsonReader(new StringReader(s));
}
public void testTopLevelDataVariant() {
final JsonReader jsonReader = jsonReaderForString(
"{"
+ "\"_ct\": 1359590400000,"
+ "\"_ut\": 4381933,"
+ "\"_ty\": \"MotionEvent\","
+ "\"action\": \"UP\","
+ "\"isLoggingRelated\": false,"
+ "\"x\": 100.0,"
+ "\"y\": 200.0"
+ "}"
);
try {
mMotionEventReader.readLogStatement(jsonReader, mReplayData);
} catch (IOException e) {
e.printStackTrace();
fail("IOException thrown");
}
assertEquals("x set correctly", (int) mReplayData.mPointerCoordsArrays.get(0)[0].x, 100);
assertEquals("y set correctly", (int) mReplayData.mPointerCoordsArrays.get(0)[0].y, 200);
assertEquals("only one pointer", mReplayData.mPointerCoordsArrays.get(0).length, 1);
assertEquals("only one MotionEvent", mReplayData.mPointerCoordsArrays.size(), 1);
}
public void testNestedDataVariant() {
final JsonReader jsonReader = jsonReaderForString(
"{"
+ " \"_ct\": 135959040000,"
+ " \"_ut\": 4382702,"
+ " \"_ty\": \"MotionEvent\","
+ " \"action\": \"MOVE\","
+ " \"isLoggingRelated\": false,"
+ " \"motionEvent\": {"
+ " \"pointerIds\": ["
+ " 0"
+ " ],"
+ " \"xyt\": ["
+ " {"
+ " \"t\": 4382551,"
+ " \"d\": ["
+ " {"
+ " \"x\": 100.0,"
+ " \"y\": 200.0,"
+ " \"toma\": 999.0,"
+ " \"tomi\": 999.0,"
+ " \"o\": 0.0"
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"t\": 4382559,"
+ " \"d\": ["
+ " {"
+ " \"x\": 300.0,"
+ " \"y\": 400.0,"
+ " \"toma\": 999.0,"
+ " \"tomi\": 999.0,"
+ " \"o\": 0.0"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ "}"
);
try {
mMotionEventReader.readLogStatement(jsonReader, mReplayData);
} catch (IOException e) {
e.printStackTrace();
fail("IOException thrown");
}
assertEquals("x1 set correctly", (int) mReplayData.mPointerCoordsArrays.get(0)[0].x, 100);
assertEquals("y1 set correctly", (int) mReplayData.mPointerCoordsArrays.get(0)[0].y, 200);
assertEquals("x2 set correctly", (int) mReplayData.mPointerCoordsArrays.get(1)[0].x, 300);
assertEquals("y2 set correctly", (int) mReplayData.mPointerCoordsArrays.get(1)[0].y, 400);
assertEquals("only one pointer", mReplayData.mPointerCoordsArrays.get(0).length, 1);
assertEquals("two MotionEvents", mReplayData.mPointerCoordsArrays.size(), 2);
}
public void testNestedDataVariantMultiPointer() {
final JsonReader jsonReader = jsonReaderForString(
"{"
+ " \"_ct\": 135959040000,"
+ " \"_ut\": 4382702,"
+ " \"_ty\": \"MotionEvent\","
+ " \"action\": \"MOVE\","
+ " \"isLoggingRelated\": false,"
+ " \"motionEvent\": {"
+ " \"pointerIds\": ["
+ " 1"
+ " ],"
+ " \"xyt\": ["
+ " {"
+ " \"t\": 4382551,"
+ " \"d\": ["
+ " {"
+ " \"x\": 100.0,"
+ " \"y\": 200.0,"
+ " \"toma\": 999.0,"
+ " \"tomi\": 999.0,"
+ " \"o\": 0.0"
+ " },"
+ " {"
+ " \"x\": 300.0,"
+ " \"y\": 400.0,"
+ " \"toma\": 999.0,"
+ " \"tomi\": 999.0,"
+ " \"o\": 0.0"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ "}"
);
try {
mMotionEventReader.readLogStatement(jsonReader, mReplayData);
} catch (IOException e) {
e.printStackTrace();
fail("IOException thrown");
}
assertEquals("x1 set correctly", (int) mReplayData.mPointerCoordsArrays.get(0)[0].x, 100);
assertEquals("y1 set correctly", (int) mReplayData.mPointerCoordsArrays.get(0)[0].y, 200);
assertEquals("x2 set correctly", (int) mReplayData.mPointerCoordsArrays.get(0)[1].x, 300);
assertEquals("y2 set correctly", (int) mReplayData.mPointerCoordsArrays.get(0)[1].y, 400);
assertEquals("two pointers", mReplayData.mPointerCoordsArrays.get(0).length, 2);
assertEquals("one MotionEvent", mReplayData.mPointerCoordsArrays.size(), 1);
}
}