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/*
* The MIT License
*
* Copyright 2019 Intuit Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.intuit.karate.driver;
import com.intuit.karate.StringUtils;
import java.util.Map;
/**
*
* @author pthomas3
*/
public class ElementFinder implements Finder {
public static enum Type {
RIGHT,
LEFT,
ABOVE,
BELOW,
NEAR
}
private final Driver driver;
private final String fromLocator;
private final Type type;
private String tag = "INPUT";
public ElementFinder(Driver driver, String fromLocator, Type type) {
this.driver = driver;
this.fromLocator = fromLocator;
this.type = type;
}
private static String forLoopChunk(ElementFinder.Type type) {
switch (type) {
case RIGHT:
return "x += s;";
case BELOW:
return "y += s;";
case LEFT:
return "x -= s;";
case ABOVE:
return "y -= s;";
default: // NEAR
return " var a = 0.381966 * i; var x = (s + a) * Math.cos(a); var y = (s + a) * Math.sin(a);";
}
}
public static String exitCondition(String findTag) {
int pos = findTag.indexOf('}');
if (pos == -1) {
return "e.tagName == '" + findTag.toUpperCase() + "'";
}
int caretPos = findTag.indexOf('^');
boolean contains = caretPos != -1 && caretPos < pos;
if (!contains) {
caretPos = 0;
}
String tagName = StringUtils.trimToNull(findTag.substring(caretPos + 1, pos));
String suffix = tagName == null ? "" : " && e.tagName == '" + tagName.toUpperCase() + "'";
String findText = findTag.substring(pos + 1);
if (contains) {
return "e.textContent.trim().includes('" + findText + "')" + suffix;
} else {
return "e.textContent.trim() == '" + findText + "'" + suffix;
}
}
private static String findScript(Driver driver, String locator, ElementFinder.Type type, String findTag) {
Map pos = driver.position(locator);
Number xNum = (Number) pos.get("x");
Number yNum = (Number) pos.get("y");
Number width = (Number) pos.get("width");
Number height = (Number) pos.get("height");
// get center point
int x = xNum.intValue() + width.intValue() / 2;
int y = yNum.intValue() + height.intValue() / 2;
// o: origin, a: angle, s: step
String fun = "var gen = " + DriverOptions.KARATE_REF_GENERATOR + ";"
+ " var o = { x: " + x + ", y: " + y + "}; var s = 10; var x = 0; var y = 0;"
+ " for (var i = 0; i < 200; i++) {"
+ forLoopChunk(type)
+ " var e = document.elementFromPoint(o.x + x, o.y + y);"
// + " console.log(o.x +':' + o.y + ' ' + x + ':' + y + ' ' + e.tagName + ':' + e.textContent);"
+ " if (e && " + exitCondition(findTag) + ") return gen(e); "
+ " } return null";
return DriverOptions.wrapInFunctionInvoke(fun);
}
private String getDebugString() {
return fromLocator + ", " + type + ", " + tag;
}
@Override
public Element find() {
String js = findScript(driver, fromLocator, type, tag);
String karateRef = (String) driver.script(js);
if (karateRef == null) {
throw new RuntimeException("unable to find: " + getDebugString());
}
return DriverElement.locatorExists(driver, DriverOptions.karateLocator(karateRef));
}
@Override
public Element find(String tag) {
this.tag = tag;
return find();
}
@Override
public String getValue() {
return find().getValue();
}
@Override
public Element clear() {
return find().clear();
}
@Override
public Element input(String value) {
return find().input(value);
}
@Override
public Element select(String value) {
return find("select").select(value);
}
@Override
public Element select(int index) {
return find("select").select(index);
}
@Override
public Element click() {
return find().click();
}
@Override
public Element highlight() {
return find().highlight();
}
@Override
public Element retry() {
return find().retry();
}
@Override
public Element retry(int count) {
return find().retry(count);
}
@Override
public Element retry(Integer count, Integer interval) {
return find().retry(count, interval);
}
}
