AccessibilityNodeInfoHelper.java
/*
* 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 androidx.test.uiautomator;
import android.graphics.Rect;
import android.os.Build;
import android.view.accessibility.AccessibilityNodeInfo;
import android.view.accessibility.AccessibilityWindowInfo;
import androidx.annotation.DoNotInline;
import androidx.annotation.RequiresApi;
/**
* This class contains static helper methods to work with
* {@link AccessibilityNodeInfo}
*/
class AccessibilityNodeInfoHelper {
private 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
*/
@SuppressWarnings("RectIntersectReturnValueIgnored")
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);
// On platforms that give us access to the node's window
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
// Trim any portion of the bounds that are outside the window
Rect bounds = new Rect();
AccessibilityWindowInfo window = Api21Impl.getWindow(node);
if (window != null) {
Api21Impl.getBoundsInScreen(window, bounds);
nodeRect.intersect(bounds);
}
}
return nodeRect;
}
@RequiresApi(21)
static class Api21Impl {
private Api21Impl() {
}
@DoNotInline
static void getBoundsInScreen(AccessibilityWindowInfo accessibilityWindowInfo,
Rect outBounds) {
accessibilityWindowInfo.getBoundsInScreen(outBounds);
}
@DoNotInline
static AccessibilityWindowInfo getWindow(AccessibilityNodeInfo accessibilityNodeInfo) {
return accessibilityNodeInfo.getWindow();
}
}
}