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// http://www.apache.org/licenses/LICENSE-2.0
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package org.openqa.selenium;
import java.util.List;
/**
* Represents an HTML element. Generally, all interesting operations to do with interacting with a
* page will be performed through this interface.
*
* All method calls will do a freshness check to ensure that the element reference is still valid.
* This essentially determines whether the element is still attached to the DOM. If this test
* fails, then an {@link org.openqa.selenium.StaleElementReferenceException} is thrown, and all
* future calls to this instance will fail.
*/
public interface WebElement extends SearchContext, TakesScreenshot {
/**
* Click this element. If this causes a new page to load, you
* should discard all references to this element and any further
* operations performed on this element will throw a
* StaleElementReferenceException.
*
* Note that if click() is done by sending a native event (which is
* the default on most browsers/platforms) then the method will
* _not_ wait for the next page to load and the caller should verify
* that themselves.
*
* There are some preconditions for an element to be clicked. The
* element must be visible, and it must have a height and width
* greater than 0.
*
* See W3C WebDriver specification
* for more details.
*
* @throws StaleElementReferenceException If the element no
* longer exists as initially defined
*/
void click();
/**
* If this current element is a form, or an element within a form, then this will be submitted to
* the remote server. If this causes the current page to change, then this method will block until
* the new page is loaded.
*
* @throws NoSuchElementException If the given element is not within a form
*/
void submit();
/**
* Use this method to simulate typing into an element, which may set its value.
*
* See W3C WebDriver specification
* for more details.
*
* @param keysToSend character sequence to send to the element
*
* @throws IllegalArgumentException if keysToSend is null
*/
void sendKeys(CharSequence... keysToSend);
/**
* If this element is a form entry element, this will reset its value.
*
* See W3C WebDriver specification
* and HTML specification
* for more details.
*/
void clear();
/**
* Get the tag name of this element. Not the value of the name attribute: will return
* "input" for the element <input name="foo" />.
*
* See W3C WebDriver specification
* for more details.
*
* @return The tag name of this element.
*/
String getTagName();
/**
* Get the value of the given property of the element. Will return the current value, even if
* this has been modified after the page has been loaded.
*
* See W3C WebDriver specification
* for more details.
*
* @param name The name of the property.
* @return The property's current value or null if the value is not set.
*/
default String getDomProperty(String name) {
throw new UnsupportedOperationException("getDomProperty");
}
/**
* Get the value of the given attribute of the element.
*
* This method, unlike {@link #getAttribute(String)}, returns the value of the attribute with the
* given name but not the property with the same name.
*
* The following are deemed to be "boolean" attributes, and will return either "true" or null:
*
* async, autofocus, autoplay, checked, compact, complete, controls, declare, defaultchecked,
* defaultselected, defer, disabled, draggable, ended, formnovalidate, hidden, indeterminate,
* iscontenteditable, ismap, itemscope, loop, multiple, muted, nohref, noresize, noshade,
* novalidate, nowrap, open, paused, pubdate, readonly, required, reversed, scoped, seamless,
* seeking, selected, truespeed, willvalidate
*
* See W3C WebDriver specification
* for more details.
*
* @param name The name of the attribute.
* @return The attribute's value or null if the value is not set.
*/
default String getDomAttribute(String name) {
throw new UnsupportedOperationException("getDomAttribute");
}
/**
* Get the value of the given attribute of the element. Will return the current value, even if
* this has been modified after the page has been loaded.
*
* More exactly, this method will return the value of the property with the given name, if it
* exists. If it does not, then the value of the attribute with the given name is returned. If
* neither exists, null is returned.
*
* The "style" attribute is converted as best can be to a text representation with a trailing
* semicolon.
*
* The following are deemed to be "boolean" attributes, and will return either "true" or null:
*
* async, autofocus, autoplay, checked, compact, complete, controls, declare, defaultchecked,
* defaultselected, defer, disabled, draggable, ended, formnovalidate, hidden, indeterminate,
* iscontenteditable, ismap, itemscope, loop, multiple, muted, nohref, noresize, noshade,
* novalidate, nowrap, open, paused, pubdate, readonly, required, reversed, scoped, seamless,
* seeking, selected, truespeed, willvalidate
*
* Finally, the following commonly mis-capitalized attribute/property names are evaluated as
* expected:
*
* - If the given name is "class", the "className" property is returned.
*
- If the given name is "readonly", the "readOnly" property is returned.
*
* Note: The reason for this behavior is that users frequently confuse attributes and
* properties. If you need to do something more precise, use {@link #getDomAttribute(String)}
* or {@link #getDomProperty(String)} to obtain the result you desire.
*
* See W3C WebDriver specification
* for more details.
*
* @param name The name of the attribute.
* @return The attribute/property's current value or null if the value is not set.
*/
String getAttribute(String name);
/**
* Gets result of computing the WAI-ARIA role of element.
*
* See W3C WebDriver specification
* for more details.
*
* @return the WAI-ARIA role of the element.
*/
default String getAriaRole() {
throw new UnsupportedOperationException("getAriaRole");
}
/**
* Gets result of a Accessible Name and Description Computation for the Accessible Name of the element.
*
* See W3C WebDriver specification
* for more details.
*
* @return the accessible name of the element.
*/
default String getAccessibleName() {
throw new UnsupportedOperationException("getAccessibleName");
}
/**
* Determine whether this element is selected or not. This operation only applies to input
* elements such as checkboxes, options in a select and radio buttons.
* For more information on which elements this method supports,
* refer to the specification.
*
* See W3C WebDriver specification
* for more details.
*
* @return True if the element is currently selected or checked, false otherwise.
*/
boolean isSelected();
/**
* Is the element currently enabled or not? This will generally return true for everything but
* disabled input elements.
*
* See W3C WebDriver specification
* for more details.
*
* @return True if the element is enabled, false otherwise.
*/
boolean isEnabled();
/**
* Get the visible (i.e. not hidden by CSS) text of this element, including sub-elements.
*
* See W3C WebDriver specification
* for more details.
*
* @return The visible text of this element.
*/
String getText();
/**
* Find all elements within the current context using the given mechanism. When using xpath be
* aware that webdriver follows standard conventions: a search prefixed with "//" will search the
* entire document, not just the children of this current node. Use ".//" to limit your search to
* the children of this WebElement.
* This method is affected by the 'implicit wait' times in force at the time of execution. When
* implicitly waiting, this method will return as soon as there are more than 0 items in the
* found collection, or will return an empty list if the timeout is reached.
*
* See W3C WebDriver specification
* for more details.
*
* @param by The locating mechanism to use
* @return A list of all {@link WebElement}s, or an empty list if nothing matches.
* @see org.openqa.selenium.By
* @see org.openqa.selenium.WebDriver.Timeouts
*/
@Override
List findElements(By by);
/**
* Find the first {@link WebElement} using the given method. See the note in
* {@link #findElements(By)} about finding via XPath.
* This method is affected by the 'implicit wait' times in force at the time of execution.
* The findElement(..) invocation will return a matching row, or try again repeatedly until
* the configured timeout is reached.
*
* findElement should not be used to look for non-present elements, use {@link #findElements(By)}
* and assert zero length response instead.
*
* See W3C WebDriver specification
* for more details.
*
* @param by The locating mechanism
* @return The first matching element on the current context.
* @throws NoSuchElementException If no matching elements are found
* @see org.openqa.selenium.By
* @see org.openqa.selenium.WebDriver.Timeouts
*/
@Override
WebElement findElement(By by);
/**
* @return A representation of an element's shadow root for accessing the shadow DOM of a web component.
* @throws NoSuchShadowRootException If no shadow root is found
*/
default SearchContext getShadowRoot() {
throw new UnsupportedOperationException("getShadowRoot");
}
/**
* Is this element displayed or not? This method avoids the problem of having to parse an
* element's "style" attribute.
*
* @return Whether the element is displayed
*/
boolean isDisplayed();
/**
* Where on the page is the top left-hand corner of the rendered element?
*
* See W3C WebDriver specification
* for more details.
*
* @return A point, containing the location of the top left-hand corner of the element
*/
Point getLocation();
/**
* What is the width and height of the rendered element?
*
* See W3C WebDriver specification
* for more details.
*
* @return The size of the element on the page.
*/
Dimension getSize();
/**
* @return The location and size of the rendered element
*
* See W3C WebDriver specification
* for more details.
*/
Rectangle getRect();
/**
* Get the value of a given CSS property.
* Color values could be returned as rgba or rgb strings.
* This depends on whether the browser omits the implicit opacity value or not.
*
* For example if the "background-color" property is set as "green" in the
* HTML source, the returned value could be "rgba(0, 255, 0, 1)" if implicit opacity value is
* preserved or "rgb(0, 255, 0)" if it is omitted.
*
* Note that shorthand CSS properties (e.g. background, font, border, border-top, margin,
* margin-top, padding, padding-top, list-style, outline, pause, cue) are not returned,
* in accordance with the
* DOM CSS2 specification
* - you should directly access the longhand properties (e.g. background-color) to access the
* desired values.
*
* See W3C WebDriver specification
* for more details.
*
* @param propertyName the css property name of the element
* @return The current, computed value of the property.
*/
String getCssValue(String propertyName);
}