1 files changed, 52 insertions, 0 deletions
diff --git a/src/com/android/uiautomator/core/AccessibilityNodeInfoHelper.java b/src/com/android/uiautomator/core/AccessibilityNodeInfoHelper.java
new file mode 100644
index 0000000..54835e3
--- /dev/null
+++ b/src/com/android/uiautomator/core/AccessibilityNodeInfoHelper.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * 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 com.android.uiautomator.core;
+
+import android.graphics.Rect;
+import android.view.accessibility.AccessibilityNodeInfo;
+
+/**
+ * This class contains static helper methods to work with
+ * {@link AccessibilityNodeInfo}
+ */
+class AccessibilityNodeInfoHelper {
+
+    /**
+     * Returns the node's bounds clipped to the size of the display
+     *
+     * @param node
+     * @param width pixel width of the display
+     * @param height pixel height of the display
+     * @return null if node is null, else a Rect containing visible bounds
+     */
+    static Rect getVisibleBoundsInScreen(AccessibilityNodeInfo node, int width, int height) {
+        if (node == null) {
+            return null;
+        }
+        // targeted node's bounds
+        Rect nodeRect = new Rect();
+        node.getBoundsInScreen(nodeRect);
+
+        Rect displayRect = new Rect();
+        displayRect.top = 0;
+        displayRect.left = 0;
+        displayRect.right = width;
+        displayRect.bottom = height;
+
+        nodeRect.intersect(displayRect);
+        return nodeRect;
+    }
+}