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authorKevin Jin <kjin@google.com>2015-02-20 09:35:39 -0800
committerKevin Jin <kjin@google.com>2015-02-20 14:37:53 -0800
commit4b31201b5a2dbf8036da5a8d089a68a39cc1dc44 (patch)
tree0a4a6d976ca45f3b87433927d57d50cb3cd51b41 /src/io/appium/droiddriver/validators/DefaultAccessibilityValidator.java
parent85a1731f32032690e528a6ca1084aa148200569b (diff)
downloaddroiddriver-4b31201b5a2dbf8036da5a8d089a68a39cc1dc44.tar.gz
rename package 'com.google.android' to 'io.appium'
Change-Id: I2c7c96cd6a6971806e2ea7b06cd6c2c6666e4340
Diffstat (limited to 'src/io/appium/droiddriver/validators/DefaultAccessibilityValidator.java')
-rw-r--r--src/io/appium/droiddriver/validators/DefaultAccessibilityValidator.java91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/io/appium/droiddriver/validators/DefaultAccessibilityValidator.java b/src/io/appium/droiddriver/validators/DefaultAccessibilityValidator.java
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+++ b/src/io/appium/droiddriver/validators/DefaultAccessibilityValidator.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2013 DroidDriver committers
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.appium.droiddriver.validators;
+
+import android.annotation.TargetApi;
+import android.text.TextUtils;
+import android.view.accessibility.AccessibilityNodeInfo;
+
+import io.appium.droiddriver.UiElement;
+import io.appium.droiddriver.actions.Action;
+import io.appium.droiddriver.uiautomation.UiAutomationElement;
+
+/**
+ * Fall-back Validator for accessibility.
+ */
+@TargetApi(14)
+public class DefaultAccessibilityValidator implements Validator {
+ @Override
+ public boolean isApplicable(UiElement element, Action action) {
+ return true;
+ }
+
+ @Override
+ public String validate(UiElement element, Action action) {
+ return isSpeakingNode(element) ? null : "TalkBack cannot speak about it";
+ }
+
+ // Logic from TalkBack
+ private static boolean isAccessibilityFocusable(UiElement element) {
+ if (isActionableForAccessibility(element)) {
+ return true;
+ }
+
+ if (isTopLevelScrollItem(element) && (isSpeakingNode(element))) {
+ return true;
+ }
+ return false;
+ }
+
+ private static boolean isTopLevelScrollItem(UiElement element) {
+ UiElement parent = element.getParent();
+ return parent != null && parent.isScrollable();
+ }
+
+ @SuppressWarnings("deprecation")
+ private static boolean isActionableForAccessibility(UiElement element) {
+ if (element.isFocusable() || element.isClickable() || element.isLongClickable()) {
+ return true;
+ }
+
+ if (element instanceof UiAutomationElement) {
+ AccessibilityNodeInfo node = ((UiAutomationElement) element).getRawElement();
+ return (node.getActions() & AccessibilityNodeInfo.ACTION_FOCUS) == AccessibilityNodeInfo.ACTION_FOCUS;
+ }
+ return false;
+ }
+
+ private static boolean isSpeakingNode(UiElement element) {
+ return hasContentDescriptionOrText(element) || element.isCheckable()
+ || hasNonActionableSpeakingChildren(element);
+ }
+
+ private static boolean hasNonActionableSpeakingChildren(UiElement element) {
+ // Recursively check visible and non-focusable descendant nodes.
+ for (UiElement child : element.getChildren(UiElement.VISIBLE)) {
+ if (!isAccessibilityFocusable(child) && isSpeakingNode(child)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ private static boolean hasContentDescriptionOrText(UiElement element) {
+ return !TextUtils.isEmpty(element.getContentDescription())
+ || !TextUtils.isEmpty(element.getText());
+ }
+}