1/*
2 * Copyright (C) 2012 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 */
16package com.android.uiautomator.core;
17
18import android.graphics.Rect;
19import android.view.accessibility.AccessibilityNodeInfo;
20
21/**
22 * This class contains static helper methods to work with
23 * {@link AccessibilityNodeInfo}
24 */
25class AccessibilityNodeInfoHelper {
26
27    /**
28     * Returns the node's bounds clipped to the size of the display
29     *
30     * @param node
31     * @param width pixel width of the display
32     * @param height pixel height of the display
33     * @return null if node is null, else a Rect containing visible bounds
34     */
35    static Rect getVisibleBoundsInScreen(AccessibilityNodeInfo node, int width, int height) {
36        if (node == null) {
37            return null;
38        }
39        // targeted node's bounds
40        Rect nodeRect = new Rect();
41        node.getBoundsInScreen(nodeRect);
42
43        Rect displayRect = new Rect();
44        displayRect.top = 0;
45        displayRect.left = 0;
46        displayRect.right = width;
47        displayRect.bottom = height;
48
49        if (nodeRect.intersect(displayRect)) {
50            return nodeRect;
51        } else {
52            return new Rect();
53        }
54    }
55}
56