package com.codeborne.selenide.impl;
import com.codeborne.selenide.Condition;
import com.codeborne.selenide.ElementsCollection;
import com.codeborne.selenide.SelenideElement;
import com.codeborne.selenide.ex.ElementShould;
import com.codeborne.selenide.ex.ElementNotFound;
import com.codeborne.selenide.ex.ElementShouldNot;
import org.openqa.selenium.*;
import org.openqa.selenium.support.ui.Select;
import java.io.File;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URISyntaxException;
import java.net.URL;
import static com.codeborne.selenide.Condition.*;
import static com.codeborne.selenide.Configuration.pollingInterval;
import static com.codeborne.selenide.Configuration.timeout;
import static com.codeborne.selenide.Selectors.byText;
import static com.codeborne.selenide.Selectors.byValue;
import static com.codeborne.selenide.Selenide.*;
import static com.codeborne.selenide.impl.WebElementProxy.wrap;
import static java.lang.Thread.currentThread;
abstract class AbstractSelenideElement implements InvocationHandler {
abstract WebElement getDelegate();
abstract WebElement getActualDelegate() throws NoSuchElementException, IndexOutOfBoundsException;
abstract String getSearchCriteria();
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
if ("setValue".equals(method.getName())) {
setValue((String) args[0]);
return proxy;
}
else if ("val".equals(method.getName())) {
if (args == null || args.length == 0) {
return getDelegate().getAttribute("value");
}
else {
setValue((String) args[0]);
return proxy;
}
}
else if ("attr".equals(method.getName())) {
return getDelegate().getAttribute((String) args[0]);
}
else if ("name".equals(method.getName())) {
return getDelegate().getAttribute("name");
}
else if ("data".equals(method.getName())) {
return getDelegate().getAttribute("data-" + args[0]);
}
else if ("append".equals(method.getName())) {
append((String) args[0]);
return proxy;
}
else if ("pressEnter".equals(method.getName())) {
getDelegate().sendKeys(Keys.ENTER);
return proxy;
}
else if ("pressTab".equals(method.getName())) {
getDelegate().sendKeys(Keys.TAB);
return proxy;
}
else if ("followLink".equals(method.getName())) {
followLink();
return null;
}
else if ("text".equals(method.getName())) {
return getDelegate().getText();
}
else if ("should".equals(method.getName())) {
return should(proxy, "", (Condition[]) args[0]);
}
else if ("shouldHave".equals(method.getName())) {
return should(proxy, "have ", (Condition[]) args[0]);
}
else if ("shouldBe".equals(method.getName())) {
return should(proxy, "be ", (Condition[]) args[0]);
}
else if ("shouldNot".equals(method.getName())) {
return shouldNot(proxy, "", (Condition[]) args[0]);
}
else if ("shouldNotHave".equals(method.getName())) {
return shouldNot(proxy, "have ", (Condition[]) args[0]);
}
else if ("shouldNotBe".equals(method.getName())) {
return shouldNot(proxy, "be ", (Condition[]) args[0]);
}
else if ("find".equals(method.getName()) || "$".equals(method.getName())) {
return args.length == 1 ?
find((SelenideElement) proxy, args[0], 0) :
find((SelenideElement) proxy, args[0], (Integer) args[1]);
}
else if ("findAll".equals(method.getName()) || "$$".equals(method.getName())) {
final SelenideElement parent = (SelenideElement) proxy;
return new ElementsCollection(new BySelectorCollection(parent, getSelector(args[0])));
}
else if ("toString".equals(method.getName())) {
return describe();
}
else if ("exists".equals(method.getName())) {
return exists();
}
else if ("isDisplayed".equals(method.getName())) {
return isDisplayed();
}
else if ("uploadFromClasspath".equals(method.getName())) {
return uploadFromClasspath(getDelegate(), (String) args[0]);
}
else if ("selectOption".equals(method.getName())) {
selectOptionByText(getDelegate(), (String) args[0]);
return null;
}
else if ("selectOptionByValue".equals(method.getName())) {
selectOptionByValue(getDelegate(), (String) args[0]);
return null;
}
else if ("getSelectedOption".equals(method.getName())) {
return getSelectedOption(getDelegate());
}
else if ("getSelectedValue".equals(method.getName())) {
return getSelectedValue(getDelegate());
}
else if ("getSelectedText".equals(method.getName())) {
return getSelectedText(getDelegate());
}
else if ("toWebElement".equals(method.getName())) {
return getActualDelegate();
}
else if ("waitUntil".equals(method.getName())) {
waitUntil("", (Condition) args[0], (Long) args[1]);
return proxy;
}
else if ("waitWhile".equals(method.getName())) {
waitWhile("", (Condition) args[0], (Long) args[1]);
return proxy;
}
else if ("click".equals(method.getName())) {
click();
return null;
}
return delegateMethod(getDelegate(), method, args);
}
private WebElement waitForElement() {
return waitUntil("be ", visible, timeout);
}
protected void click() {
waitForElement().click();
}
protected void followLink() {
WebElement link = waitForElement();
String href = link.getAttribute("href");
link.click();
// JavaScript $.click() doesn't take effect for <a href>
if (href != null) {
open(href);
}
}
protected void setValue(String text) {
WebElement element = waitForElement();
element.clear();
element.sendKeys(text);
fireEvent("change");
}
protected void append(String text) {
WebElement element = waitForElement();
element.sendKeys(text);
fireEvent("change");
}
protected void fireEvent(final String event) {
final String jsCodeToTriggerEvent
= "if (document.createEventObject){\n" + // IE
" var evt = document.createEventObject();\n" +
" return document.activeElement.fireEvent('on" + event + "', evt);\n" +
"}\n" +
"else{\n" +
" var evt = document.createEvent('HTMLEvents');\n " +
" evt.initEvent('" + event + "', true, true );\n " +
" return !document.activeElement.dispatchEvent(evt);\n" +
"}";
executeJavaScript(jsCodeToTriggerEvent);
}
protected Object should(Object proxy, String prefix, Condition[] conditions) {
for (Condition condition : conditions) {
waitUntil(prefix, condition, timeout);
}
return proxy;
}
protected Object shouldNot(Object proxy, String prefix, Condition[] conditions) {
for (Condition condition : conditions) {
waitWhile(prefix, condition, timeout);
}
return proxy;
}
protected Object uploadFromClasspath(WebElement inputField, String fileName) throws URISyntaxException {
if (!"input".equalsIgnoreCase(inputField.getTagName())) {
throw new IllegalArgumentException("Cannot upload file because " + Describe.describe(inputField) + " is not an INPUT");
}
URL resource = currentThread().getContextClassLoader().getResource(fileName);
if (resource == null) {
throw new IllegalArgumentException("File not found in classpath: " + fileName);
}
File file = new File(resource.toURI());
inputField.sendKeys(file.getAbsolutePath());
return file;
}
protected void selectOptionByText(WebElement selectField, String optionText) {
$(selectField).should(exist);
$(selectField).find(byText(optionText)).shouldBe(visible);
new Select(selectField).selectByVisibleText(optionText);
}
protected void selectOptionByValue(WebElement selectField, String optionValue) {
$(selectField).should(exist);
$(selectField).find(byValue(optionValue)).shouldBe(visible);
new Select(selectField).selectByValue(optionValue);
}
protected String getSelectedValue(WebElement selectElement) {
WebElement option = getSelectedOption(selectElement);
return option == null ? null : option.getAttribute("value");
}
protected String getSelectedText(WebElement selectElement) {
WebElement option = getSelectedOption(selectElement);
return option == null ? null : option.getText();
}
protected SelenideElement getSelectedOption(WebElement selectElement) {
return wrap(new Select(selectElement).getFirstSelectedOption());
}
protected boolean exists() {
try {
return getActualDelegate() != null;
} catch (WebDriverException elementDoesNotExist) {
return false;
} catch (IndexOutOfBoundsException invalidElementIndex) {
return false;
}
}
protected boolean isDisplayed() {
try {
WebElement element = getActualDelegate();
return element != null && element.isDisplayed();
} catch (WebDriverException elementDoesNotExist) {
return false;
} catch (IndexOutOfBoundsException invalidElementIndex) {
return false;
}
}
protected String describe() {
try {
return Describe.describe(getActualDelegate());
} catch (WebDriverException elementDoesNotExist) {
return Cleanup.of.webdriverExceptionMessage(elementDoesNotExist);
} catch (IndexOutOfBoundsException invalidElementIndex) {
return invalidElementIndex.toString();
}
}
static Object delegateMethod(WebElement delegate, Method method, Object[] args) throws Throwable {
try {
return method.invoke(delegate, args);
} catch (InvocationTargetException e) {
throw e.getTargetException();
}
}
protected WebElement waitUntil(String prefix, Condition condition, long timeoutMs) {
validateTimeout(timeoutMs);
final long startTime = System.currentTimeMillis();
WebElement element;
do {
element = tryToGetElement();
if (element != null) {
try {
if (condition.apply(element)) {
return element;
}
}
catch (WebDriverException ignore) {
}
catch (IndexOutOfBoundsException ignore) {
}
}
else if (condition.applyNull()) {
return null;
}
sleep(pollingInterval);
}
while (System.currentTimeMillis() - startTime < timeoutMs);
if (!exists(element)) {
throw new ElementNotFound(getSearchCriteria(), condition, timeoutMs);
}
else {
throw new ElementShould(getSearchCriteria(), prefix, condition, element, timeoutMs);
}
}
protected void waitWhile(String prefix, Condition condition, long timeoutMs) {
validateTimeout(timeoutMs);
final long startTime = System.currentTimeMillis();
WebElement element;
do {
element = tryToGetElement();
if (element != null) {
try {
if (!condition.apply(element)) {
return;
}
}
catch (WebDriverException ignore) {
}
catch (IndexOutOfBoundsException ignore) {
}
}
else if (!condition.applyNull()) {
return;
}
sleep(pollingInterval);
}
while (System.currentTimeMillis() - startTime < timeoutMs);
if (!exists(element)) {
throw new ElementNotFound(getSearchCriteria(), not(condition), timeoutMs);
}
else {
throw new ElementShouldNot(getSearchCriteria(), prefix, condition, element, timeoutMs);
}
}
static boolean exists(WebElement element) {
try {
if (element == null) return false;
element.isDisplayed();
return true;
} catch (WebDriverException e) {
return false;
}
}
protected void validateTimeout(long timeoutMs) {
if (timeoutMs < 100) {
throw new IllegalArgumentException("Invalid timeout: " + timeoutMs + "ms. Check that your timeout is in milliseconds.");
}
}
protected WebElement tryToGetElement() {
try {
return getActualDelegate();
} catch (InvalidSelectorException invalidSelector) {
throw invalidSelector;
} catch (NoSuchElementException ignore) {
return null;
} catch (WebDriverException ignore) {
// TODO Do not ignore this exception, but re-throw it later.
// For example, this information is useful:
// org.openqa.selenium.InvalidSelectorException: The given selector .//*/text()[contains(normalize-space(.), 'without')] is either invalid or does not result in a WebElement. The following error occurred:
// InvalidSelectorError: The result of the xpath expression ".//*/text()[contains(normalize-space(.), 'without')]" is: [object Text]. It should be an element.
return null;
} catch (IndexOutOfBoundsException ignore) {
return null;
}
}
protected String getActualValue(Condition condition) {
try {
WebElement element = getActualDelegate();
return element == null? "does not exist" : condition.actualValue(element);
}
catch (WebDriverException e) {
return Cleanup.of.webdriverExceptionMessage(e);
}
catch (IndexOutOfBoundsException e) {
return e.toString();
}
}
protected WebElement find(SelenideElement proxy, Object arg, int index) {
By criteria = arg instanceof By ? (By) arg : By.cssSelector((String) arg);
return WaitingSelenideElement.wrap(proxy, criteria, index);
}
protected By getSelector(Object arg) {
return arg instanceof By ? ((By) arg) : By.cssSelector((String) arg);
}
}