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/*
Copyright 2011 Selenium committers
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 org.openqa.selenium.android.library;
import com.google.common.collect.Lists;
import android.os.SystemClock;
import android.view.MotionEvent;
import org.openqa.selenium.Point;
import org.openqa.selenium.interactions.TouchScreen;
import org.openqa.selenium.interactions.internal.Coordinates;
import java.util.List;
/**
* Implements touch capabilities of a device.
*
*/
class AndroidTouchScreen implements TouchScreen {
private final AndroidWebDriver driver;
/* package */ AndroidTouchScreen(AndroidWebDriver driver) {
this.driver = driver;
}
public void singleTap(Coordinates where) {
Point toTap = where.onScreen();
List motionEvents = Lists.newArrayList();
long downTime = SystemClock.uptimeMillis();
motionEvents.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_DOWN, toTap));
motionEvents.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_UP, toTap));
sendMotionEvents(motionEvents);
}
public void down(int x, int y) {
List event = Lists.newArrayList();
long downTime = SystemClock.uptimeMillis();
Point coords = new Point(x, y);
event.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_DOWN, coords));
sendMotionEvents(event);
}
public void up(int x, int y) {
List event = Lists.newArrayList();
long downTime = SystemClock.uptimeMillis();
Point coords = new Point(x, y);
event.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_UP, coords));
sendMotionEvents(event);
}
public void move(int x, int y) {
List event = Lists.newArrayList();
long downTime = SystemClock.uptimeMillis();
Point coords = new Point(x, y);
event.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_MOVE, coords));
sendMotionEvents(event);
}
public void scroll(Coordinates where, int xOffset, int yOffset) {
long downTime = SystemClock.uptimeMillis();
List motionEvents = Lists.newArrayList();
Point origin = where.onScreen();
Point destination = new Point(origin.x + xOffset, origin.y + yOffset);
motionEvents.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_DOWN, origin));
Scroll scroll = new Scroll(origin, destination, downTime);
// Initial acceleration from origin to reference point
motionEvents.addAll(getMoveEvents(downTime, downTime, origin, scroll.getDecelerationPoint(),
scroll.INITIAL_STEPS, scroll.TIME_BETWEEN_EVENTS));
// Deceleration phase from reference point to destination
motionEvents.addAll(getMoveEvents(downTime, scroll.getEventTimeForReferencePoint(),
scroll.getDecelerationPoint(), destination, scroll.DECELERATION_STEPS,
scroll.TIME_BETWEEN_EVENTS));
motionEvents.add(getMotionEvent(downTime, (downTime + scroll.getEventTimeForDestinationPoint()),
MotionEvent.ACTION_UP, destination));
sendMotionEvents(motionEvents);
}
public void doubleTap(Coordinates where) {
Point toDoubleTap = where.onScreen();
List motionEvents = Lists.newArrayList();
long downTime = SystemClock.uptimeMillis();
motionEvents.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_DOWN, toDoubleTap));
motionEvents.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_UP, toDoubleTap));
motionEvents.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_DOWN, toDoubleTap));
motionEvents.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_UP, toDoubleTap));
sendMotionEvents(motionEvents);
}
public void longPress(Coordinates where) {
long downTime = SystemClock.uptimeMillis();
List motionEvents = Lists.newArrayList();
Point point = where.onScreen();
motionEvents.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_DOWN, point));
motionEvents.add(getMotionEvent(downTime, (downTime + 3000), MotionEvent.ACTION_UP, point));
sendMotionEvents(motionEvents);
}
public void scroll(final int xOffset, final int yOffset) {
driver.getActivity().runOnUiThread(new Runnable() {
public void run() {
driver.getWebView().scrollBy(xOffset, yOffset);
}
});
}
public void flick(final int speedX, final int speedY) {
driver.getActivity().runOnUiThread(new Runnable() {
public void run() {
driver.getWebView().flingScroll(speedX, speedY);
}
});
}
public void flick(Coordinates where, int xOffset, int yOffset, int speed) {
long downTime = SystemClock.uptimeMillis();
List motionEvents = Lists.newArrayList();
Point origin = where.onScreen();
Point destination = new Point(origin.x + xOffset, origin.y + yOffset);
Flick flick = new Flick(speed);
motionEvents.add(getMotionEvent(downTime, downTime, MotionEvent.ACTION_DOWN, origin));
motionEvents.addAll(getMoveEvents(downTime, downTime, origin, destination, flick.STEPS,
flick.getTimeBetweenEvents()));
motionEvents.add(getMotionEvent(downTime, flick.getTimeForDestinationPoint(downTime),
MotionEvent.ACTION_UP, destination));
sendMotionEvents(motionEvents);
}
private MotionEvent getMotionEvent(long start, long eventTime, int action, Point coords) {
return MotionEvent.obtain(start, eventTime, action, coords.x, coords.y, 0);
}
private List getMoveEvents(long downTime, long startingEVentTime, Point origin,
Point destination, int steps, long timeBetweenEvents) {
List move = Lists.newArrayList();
MotionEvent event = null;
float xStep = (destination.x - origin.x) / steps;
float yStep = (destination.y - origin.y) / steps;
float x = origin.x;
float y = origin.y;
long eventTime = startingEVentTime;
for (int i = 0; i < steps - 1; i++) {
x += xStep;
y += yStep;
eventTime += timeBetweenEvents;
event = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_MOVE, x, y, 0);
move.add(event);
}
eventTime += timeBetweenEvents;
move.add(getMotionEvent(downTime, eventTime, MotionEvent.ACTION_MOVE, destination));
return move;
}
private void sendMotionEvents(final List eventsToSend) {
driver.setEditAreaHasFocus(false);
EventSender.sendMotion(eventsToSend, driver.getWebView(), driver.getActivity());
// If the page started loading we should wait until the page is done loading.
driver.waitForPageToLoad();
}
final class Scroll {
private Point origin;
private Point destination;
private long downTime;
// A regular scroll usually has 15 gestures, where the last 5 are used for deceleration
final static int INITIAL_STEPS = 10;
final static int DECELERATION_STEPS = 5;
final int TOTAL_STEPS = INITIAL_STEPS + DECELERATION_STEPS;
// Time in milliseconds to provide a speed similar to scroll
final long TIME_BETWEEN_EVENTS = 50;
public Scroll(Point origin, Point destination, long downTime) {
this.origin = origin;
this.destination = destination;
this.downTime = downTime;
}
// This method is used to calculate the point where the deceleration will start at 20% of the
// distance to the destination point
private Point getDecelerationPoint() {
int deltaX = (destination.x - origin.x);
int deltaY = (destination.y - origin.y);
// Coordinates of reference point where deceleration should start for scroll gesture, on the
// last 20% of the total distance to scroll
int xRef = (int)(deltaX * 0.8);
int yRef = (int)(deltaY * 0.8);
return new Point(origin.x + xRef, origin.y + yRef);
}
private long getEventTimeForReferencePoint() {
return (downTime + INITIAL_STEPS * TIME_BETWEEN_EVENTS);
}
private long getEventTimeForDestinationPoint() {
return (downTime + TOTAL_STEPS * TIME_BETWEEN_EVENTS);
}
}
final class Flick {
private final int SPEED_NORMAL = 0;
private final int SPEED_FAST = 1;
// A regular scroll usually has 4 gestures
private final static int STEPS = 4;
private int speed;
public Flick(int speed) {
this.speed = speed;
}
private long getTimeBetweenEvents() {
if (speed == SPEED_NORMAL) {
return 25; // Time in milliseconds to provide a speed similar to normal flick
} else if (speed == SPEED_FAST) {
return 9; // Time in milliseconds to provide a speed similar to fast flick
}
return 0;
}
private long getTimeForDestinationPoint(long downTime) {
return (downTime + STEPS * getTimeBetweenEvents());
}
}
}
