| 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | package org.chromium.content.browser.test.util; |
| 6 | |
| 7 | import android.graphics.Rect; |
| 8 | import android.test.ActivityInstrumentationTestCase2; |
| 9 | import android.util.JsonReader; |
| 10 | |
| 11 | import java.io.IOException; |
| 12 | import java.io.StringReader; |
| 13 | import java.util.concurrent.TimeoutException; |
| 14 | |
| 15 | import junit.framework.Assert; |
| 16 | |
| 17 | import org.chromium.content.browser.ContentView; |
| 18 | |
| 19 | /** |
| 20 | * Collection of DOM-based utilities. |
| 21 | */ |
| 22 | public class DOMUtils { |
| 23 | |
| 24 | /** |
| 25 | * Returns the rect boundaries for a node by its id. |
| 26 | */ |
| 27 | public static Rect getNodeBounds( |
| 28 | final ContentView view, TestCallbackHelperContainer viewClient, String nodeId) |
| 29 | throws InterruptedException, TimeoutException { |
| 30 | StringBuilder sb = new StringBuilder(); |
| 31 | sb.append("(function() {"); |
| 32 | sb.append(" var node = document.getElementById('" + nodeId + "');"); |
| 33 | sb.append(" if (!node) return null;"); |
| 34 | sb.append(" var width = node.offsetWidth;"); |
| 35 | sb.append(" var height = node.offsetHeight;"); |
| 36 | sb.append(" var x = -window.scrollX;"); |
| 37 | sb.append(" var y = -window.scrollY;"); |
| 38 | sb.append(" do {"); |
| 39 | sb.append(" x += node.offsetLeft;"); |
| 40 | sb.append(" y += node.offsetTop;"); |
| 41 | sb.append(" } while (node = node.offsetParent);"); |
| 42 | sb.append(" return [ x, y, width, height ];"); |
| 43 | sb.append("})();"); |
| 44 | |
| 45 | String jsonText = JavaScriptUtils.executeJavaScriptAndWaitForResult( |
| 46 | view, viewClient, sb.toString()); |
| 47 | |
| 48 | Assert.assertFalse("Failed to retrieve bounds for " + nodeId, |
| 49 | jsonText.trim().equalsIgnoreCase("null")); |
| 50 | |
| 51 | JsonReader jsonReader = new JsonReader(new StringReader(jsonText)); |
| 52 | int[] bounds = new int[4]; |
| 53 | try { |
| 54 | jsonReader.beginArray(); |
| 55 | int i = 0; |
| 56 | while (jsonReader.hasNext()) { |
| 57 | bounds[i++] = jsonReader.nextInt(); |
| 58 | } |
| 59 | jsonReader.endArray(); |
| 60 | Assert.assertEquals("Invalid bounds returned.", 4, i); |
| 61 | |
| 62 | jsonReader.close(); |
| 63 | } catch (IOException exception) { |
| 64 | Assert.fail("Failed to evaluate JavaScript: " + jsonText + "\n" + exception); |
| 65 | } |
| 66 | |
| 67 | return new Rect(bounds[0], bounds[1], bounds[0] + bounds[2], bounds[1] + bounds[3]); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Focus a DOM node by its id. |
| 72 | */ |
| 73 | public static void focusNode(ActivityInstrumentationTestCase2 activityTestCase, |
| 74 | final ContentView view, TestCallbackHelperContainer viewClient, String nodeId) |
| 75 | throws InterruptedException, TimeoutException { |
| 76 | StringBuilder sb = new StringBuilder(); |
| 77 | sb.append("(function() {"); |
| 78 | sb.append(" var node = document.getElementById('" + nodeId + "');"); |
| 79 | sb.append(" if (node) node.focus();"); |
| 80 | sb.append("})();"); |
| 81 | |
| 82 | JavaScriptUtils.executeJavaScriptAndWaitForResult(view, viewClient, sb.toString()); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Click a DOM node by its id. |
| 87 | */ |
| 88 | public static void clickNode(ActivityInstrumentationTestCase2 activityTestCase, |
| 89 | final ContentView view, TestCallbackHelperContainer viewClient, String nodeId) |
| 90 | throws InterruptedException, TimeoutException { |
| 91 | int[] clickTarget = getClickTargetForNode(view, viewClient, nodeId); |
| 92 | TouchCommon touchCommon = new TouchCommon(activityTestCase); |
| 93 | touchCommon.singleClickView(view, clickTarget[0], clickTarget[1]); |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Long-press a DOM node by its id. |
| 98 | */ |
| 99 | public static void longPressNode(ActivityInstrumentationTestCase2 activityTestCase, |
| 100 | final ContentView view, TestCallbackHelperContainer viewClient, String nodeId) |
| 101 | throws InterruptedException, TimeoutException { |
| 102 | int[] clickTarget = getClickTargetForNode(view, viewClient, nodeId); |
| 103 | TouchCommon touchCommon = new TouchCommon(activityTestCase); |
| 104 | touchCommon.longPressView(view, clickTarget[0], clickTarget[1]); |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Scrolls the view to ensure that the required DOM node is visible. |
| 109 | */ |
| 110 | public static void scrollNodeIntoView(final ContentView view, |
| 111 | TestCallbackHelperContainer viewClient, String nodeId) |
| 112 | throws InterruptedException, TimeoutException { |
| 113 | JavaScriptUtils.executeJavaScriptAndWaitForResult(view, viewClient, |
| 114 | "document.getElementById('" + nodeId + "').scrollIntoView()"); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Returns the contents of the node by its id. |
| 119 | */ |
| 120 | public static String getNodeContents(final ContentView view, |
| 121 | TestCallbackHelperContainer viewClient, String nodeId) |
| 122 | throws InterruptedException, TimeoutException { |
| 123 | return getNodeField("textContent", view, viewClient, nodeId); |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Returns the value of the node by its id. |
| 128 | */ |
| 129 | public static String getNodeValue(final ContentView view, |
| 130 | TestCallbackHelperContainer viewClient, String nodeId) |
| 131 | throws InterruptedException, TimeoutException { |
| 132 | return getNodeField("value", view, viewClient, nodeId); |
| 133 | } |
| 134 | |
| 135 | private static String getNodeField(String fieldName, final ContentView view, |
| 136 | TestCallbackHelperContainer viewClient, String nodeId) |
| 137 | throws InterruptedException, TimeoutException { |
| 138 | StringBuilder sb = new StringBuilder(); |
| 139 | sb.append("(function() {"); |
| 140 | sb.append(" var node = document.getElementById('" + nodeId + "');"); |
| 141 | sb.append(" if (!node) return null;"); |
| 142 | sb.append(" if (!node." + fieldName +") return null;"); |
| 143 | sb.append(" return [ node." + fieldName + " ];"); |
| 144 | sb.append("})();"); |
| 145 | |
| 146 | String jsonText = JavaScriptUtils.executeJavaScriptAndWaitForResult( |
| 147 | view, viewClient, sb.toString()); |
| 148 | Assert.assertFalse("Failed to retrieve contents for " + nodeId, |
| 149 | jsonText.trim().equalsIgnoreCase("null")); |
| 150 | |
| 151 | JsonReader jsonReader = new JsonReader(new StringReader(jsonText)); |
| 152 | String value = null; |
| 153 | try { |
| 154 | jsonReader.beginArray(); |
| 155 | if (jsonReader.hasNext()) value = jsonReader.nextString(); |
| 156 | jsonReader.endArray(); |
| 157 | Assert.assertNotNull("Invalid contents returned.", value); |
| 158 | |
| 159 | jsonReader.close(); |
| 160 | } catch (IOException exception) { |
| 161 | Assert.fail("Failed to evaluate JavaScript: " + jsonText + "\n" + exception); |
| 162 | } |
| 163 | return value; |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Returns click targets for a given DOM node. |
| 168 | */ |
| 169 | private static int[] getClickTargetForNode(final ContentView view, |
| 170 | TestCallbackHelperContainer viewClient, String nodeName) |
| 171 | throws InterruptedException, TimeoutException { |
| 172 | Rect bounds = getNodeBounds(view, viewClient, nodeName); |
| 173 | Assert.assertNotNull("Failed to get DOM element bounds of '" + nodeName + "'.", bounds); |
| 174 | |
| 175 | int clickX = (int) view.getRenderCoordinates().fromLocalCssToPix(bounds.exactCenterX()) |
| 176 | + (int) view.getContentViewCore().getViewportSizeOffsetWidthPix(); |
| 177 | int clickY = (int) view.getRenderCoordinates().fromLocalCssToPix(bounds.exactCenterY()) |
| 178 | + (int) view.getContentViewCore().getViewportSizeOffsetHeightPix(); |
| 179 | return new int[] { clickX, clickY }; |
| 180 | } |
| 181 | } |