diff options
Diffstat (limited to 'android/view/accessibility/AccessibilityViewHierarchyState.java')
-rw-r--r-- | android/view/accessibility/AccessibilityViewHierarchyState.java | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/android/view/accessibility/AccessibilityViewHierarchyState.java b/android/view/accessibility/AccessibilityViewHierarchyState.java new file mode 100644 index 00000000..447fafaa --- /dev/null +++ b/android/view/accessibility/AccessibilityViewHierarchyState.java @@ -0,0 +1,61 @@ +/* + * 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; + } +} |