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/*
* Copyright (C) 2017 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 android.view.accessibility;
import android.annotation.NonNull;
import android.annotation.Nullable;
/**
* Accessibility-related state of a {@link android.view.ViewRootImpl}
*
* @hide
*/
public class AccessibilityViewHierarchyState {
private @Nullable SendViewScrolledAccessibilityEvent mSendViewScrolledAccessibilityEvent;
private @Nullable SendWindowContentChangedAccessibilityEvent
mSendWindowContentChangedAccessibilityEvent;
/**
* @return a {@link SendViewScrolledAccessibilityEvent}, creating one if needed
*/
public @NonNull SendViewScrolledAccessibilityEvent getSendViewScrolledAccessibilityEvent() {
if (mSendViewScrolledAccessibilityEvent == null) {
mSendViewScrolledAccessibilityEvent = new SendViewScrolledAccessibilityEvent();
}
return mSendViewScrolledAccessibilityEvent;
}
public boolean isScrollEventSenderInitialized() {
return mSendViewScrolledAccessibilityEvent != null;
}
/**
* @return a {@link SendWindowContentChangedAccessibilityEvent}, creating one if needed
*/
public @NonNull SendWindowContentChangedAccessibilityEvent
getSendWindowContentChangedAccessibilityEvent() {
if (mSendWindowContentChangedAccessibilityEvent == null) {
mSendWindowContentChangedAccessibilityEvent =
new SendWindowContentChangedAccessibilityEvent();
}
return mSendWindowContentChangedAccessibilityEvent;
}
public boolean isWindowContentChangedEventSenderInitialized() {
return mSendWindowContentChangedAccessibilityEvent != null;
}
}
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