Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.webkit.webdriver; |
| 18 | |
| 19 | import com.android.internal.R; |
| 20 | |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 21 | import java.util.List; |
| 22 | |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 23 | /** |
| 24 | * Represents an HTML element. Typically most interactions with a web page |
| 25 | * will be performed through this class. |
| 26 | * |
| 27 | * @hide |
| 28 | */ |
| 29 | public class WebElement { |
| 30 | private final String mId; |
| 31 | private final WebDriver mDriver; |
| 32 | |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 33 | private static final String LOCATOR_ID = "id"; |
| 34 | private static final String LOCATOR_LINK_TEXT = "linkText"; |
| 35 | private static final String LOCATOR_PARTIAL_LINK_TEXT = "partialLinkText"; |
| 36 | private static final String LOCATOR_NAME = "name"; |
| 37 | private static final String LOCATOR_CLASS_NAME = "className"; |
| 38 | private static final String LOCATOR_CSS = "css"; |
| 39 | private static final String LOCATOR_TAG_NAME = "tagName"; |
| 40 | private static final String LOCATOR_XPATH = "xpath"; |
| 41 | |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 42 | /** |
| 43 | * Package constructor to prevent clients from creating a new WebElement |
| 44 | * instance. |
| 45 | * |
| 46 | * <p> A WebElement represents an HTML element on the page. |
| 47 | * The corresponding HTML element is stored in a JS cache in the page |
| 48 | * that can be accessed through JavaScript using "bot.inject.cache". |
| 49 | * |
| 50 | * @param driver The WebDriver instance to use. |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 51 | * @param id The index of the HTML element in the JavaSctipt cache. |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 52 | * document.documentElement object. |
| 53 | */ |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 54 | /* package */ WebElement(final WebDriver driver, final String id) { |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 55 | this.mId = id; |
| 56 | this.mDriver = driver; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Finds the first {@link android.webkit.webdriver.WebElement} using the |
| 61 | * given method. |
| 62 | * |
| 63 | * @param by The locating mechanism to use. |
| 64 | * @return The first matching element on the current context. |
| 65 | */ |
| 66 | public WebElement findElement(final By by) { |
| 67 | return by.findElement(this); |
| 68 | } |
| 69 | |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 70 | /** |
| 71 | * Finds all {@link android.webkit.webdriver.WebElement} within the page |
| 72 | * using the given method. |
| 73 | * |
| 74 | * @param by The locating mechanism to use. |
| 75 | * @return A list of all {@link android.webkit.webdriver.WebElement} found, |
| 76 | * or an empty list if nothing matches. |
| 77 | */ |
| 78 | public List<WebElement> findElements(final By by) { |
| 79 | return by.findElements(this); |
| 80 | } |
| 81 | |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 82 | /** |
| 83 | * Gets the visisble (i.e. not hidden by CSS) innerText of this element, |
| 84 | * inlcuding sub-elements. |
| 85 | * |
| 86 | * @return the innerText of this element. |
| 87 | * @throws {@link android.webkit.webdriver.WebElementStaleException} if this |
| 88 | * element is stale, i.e. not on the current DOM. |
| 89 | */ |
| 90 | public String getText() { |
| 91 | String getText = mDriver.getResourceAsString(R.raw.get_text_android); |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 92 | return (String) executeAtom(getText, this); |
| 93 | } |
| 94 | |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 95 | /** |
| 96 | * Gets the value of an HTML attribute for this element or the value of the |
| 97 | * property with the same name if the attribute is not present. If neither |
| 98 | * is set, null is returned. |
| 99 | * |
| 100 | * @param attribute the HTML attribute. |
| 101 | * @return the value of that attribute or the value of the property with the |
| 102 | * same name if the attribute is not set, or null if neither are set. For |
| 103 | * boolean attribute values this will return the string "true" or "false". |
| 104 | */ |
| 105 | public String getAttribute(String attribute) { |
| 106 | String getAttribute = mDriver.getResourceAsString( |
| 107 | R.raw.get_attribute_value_android); |
| 108 | return (String) executeAtom(getAttribute, this, attribute); |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * @return the tag name of this element. |
| 113 | */ |
| 114 | public String getTagName() { |
| 115 | return (String) mDriver.executeScript("return arguments[0].tagName;", |
| 116 | this); |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * @return true if this element is enabled, false otherwise. |
| 121 | */ |
| 122 | public boolean isEnabled() { |
| 123 | String isEnabled = mDriver.getResourceAsString( |
| 124 | R.raw.is_enabled_android); |
| 125 | return (Boolean) executeAtom(isEnabled, this); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Determines whether this element is selected or not. This applies to input |
| 130 | * elements such as checkboxes, options in a select, and radio buttons. |
| 131 | * |
| 132 | * @return True if this element is selected, false otherwise. |
| 133 | */ |
| 134 | public boolean isSelected() { |
| 135 | String isSelected = mDriver.getResourceAsString( |
| 136 | R.raw.is_selected_android); |
| 137 | return (Boolean) executeAtom(isSelected, this); |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Selects an element on the page. This works for selecting checkboxes, |
| 142 | * options in a select, and radio buttons. |
| 143 | */ |
| 144 | public void setSelected() { |
| 145 | String setSelected = mDriver.getResourceAsString( |
| 146 | R.raw.set_selected_android); |
| 147 | executeAtom(setSelected, this); |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * This toggles the checkboxe state from selected to not selected, or |
| 152 | * from not selected to selected. |
| 153 | * |
| 154 | * @return True if the toggled element is selected, false otherwise. |
| 155 | */ |
| 156 | public boolean toggle() { |
| 157 | String toggle = mDriver.getResourceAsString(R.raw.toggle_android); |
| 158 | return (Boolean) executeAtom(toggle, this); |
| 159 | } |
| 160 | |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 161 | /*package*/ String getId() { |
| 162 | return mId; |
| 163 | } |
| 164 | |
| 165 | /* package */ WebElement findElementById(final String locator) { |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 166 | return findElement(LOCATOR_ID, locator); |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | /* package */ WebElement findElementByLinkText(final String linkText) { |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 170 | return findElement(LOCATOR_LINK_TEXT, linkText); |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | /* package */ WebElement findElementByPartialLinkText( |
| 174 | final String linkText) { |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 175 | return findElement(LOCATOR_PARTIAL_LINK_TEXT, linkText); |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | /* package */ WebElement findElementByName(final String name) { |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 179 | return findElement(LOCATOR_NAME, name); |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | /* package */ WebElement findElementByClassName(final String className) { |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 183 | return findElement(LOCATOR_CLASS_NAME, className); |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 184 | } |
| 185 | |
| 186 | /* package */ WebElement findElementByCss(final String css) { |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 187 | return findElement(LOCATOR_CSS, css); |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 188 | } |
| 189 | |
| 190 | /* package */ WebElement findElementByTagName(final String tagName) { |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 191 | return findElement(LOCATOR_TAG_NAME, tagName); |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 192 | } |
| 193 | |
| 194 | /* package */ WebElement findElementByXPath(final String xpath) { |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 195 | return findElement(LOCATOR_XPATH, xpath); |
| 196 | } |
| 197 | |
| 198 | /* package */ List<WebElement> findElementsById(final String locator) { |
| 199 | return findElements(LOCATOR_ID, locator); |
| 200 | } |
| 201 | |
| 202 | /* package */ List<WebElement> findElementsByLinkText(final String linkText) { |
| 203 | return findElements(LOCATOR_LINK_TEXT, linkText); |
| 204 | } |
| 205 | |
| 206 | /* package */ List<WebElement> findElementsByPartialLinkText( |
| 207 | final String linkText) { |
| 208 | return findElements(LOCATOR_PARTIAL_LINK_TEXT, linkText); |
| 209 | } |
| 210 | |
| 211 | /* package */ List<WebElement> findElementsByName(final String name) { |
| 212 | return findElements(LOCATOR_NAME, name); |
| 213 | } |
| 214 | |
| 215 | /* package */ List<WebElement> findElementsByClassName(final String className) { |
| 216 | return findElements(LOCATOR_CLASS_NAME, className); |
| 217 | } |
| 218 | |
| 219 | /* package */ List<WebElement> findElementsByCss(final String css) { |
| 220 | return findElements(LOCATOR_CSS, css); |
| 221 | } |
| 222 | |
| 223 | /* package */ List<WebElement> findElementsByTagName(final String tagName) { |
| 224 | return findElements(LOCATOR_TAG_NAME, tagName); |
| 225 | } |
| 226 | |
| 227 | /* package */ List<WebElement> findElementsByXPath(final String xpath) { |
| 228 | return findElements(LOCATOR_XPATH, xpath); |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | private Object executeAtom(final String atom, final Object... args) { |
| 232 | String scriptArgs = mDriver.convertToJsArgs(args); |
| 233 | return mDriver.executeRawJavascript("(" + |
| 234 | atom + ")(" + scriptArgs + ")"); |
| 235 | } |
| 236 | |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 237 | private List<WebElement> findElements(String strategy, String locator) { |
| 238 | String findElements = mDriver.getResourceAsString( |
| 239 | R.raw.find_elements_android); |
| 240 | return (List<WebElement>) executeAtom(findElements, |
| 241 | strategy, locator, this); |
| 242 | } |
| 243 | |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 244 | private WebElement findElement(String strategy, String locator) { |
| 245 | String findElement = mDriver.getResourceAsString( |
| 246 | R.raw.find_element_android); |
Dounia Berrada | 77cdbc5 | 2011-04-11 11:36:04 -0700 | [diff] [blame] | 247 | WebElement el = (WebElement) executeAtom(findElement, |
| 248 | strategy, locator, this); |
Dounia Berrada | 3f7480d | 2011-02-28 09:42:44 -0800 | [diff] [blame] | 249 | if (el == null) { |
| 250 | throw new WebElementNotFoundException("Could not find element " |
| 251 | + "with " + strategy + ": " + locator); |
| 252 | } |
| 253 | return el; |
| 254 | } |
| 255 | } |