/*
* 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 android.support.v4.view;
import android.os.Bundle;
import android.view.View;
import android.view.View.AccessibilityDelegate;
import android.view.ViewGroup;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import android.view.accessibility.AccessibilityNodeProvider;
/**
* JellyBean specific AccessibilityDelegate API implementation.
*/
class AccessibilityDelegateCompatJellyBean {
public interface AccessibilityDelegateBridgeJellyBean {
public boolean dispatchPopulateAccessibilityEvent(View host, AccessibilityEvent event);
public void onInitializeAccessibilityEvent(View host, AccessibilityEvent event);
public void onInitializeAccessibilityNodeInfo(View host, Object info);
public void onPopulateAccessibilityEvent(View host, AccessibilityEvent event);
public boolean onRequestSendAccessibilityEvent(ViewGroup host, View child,
AccessibilityEvent event);
public void sendAccessibilityEvent(View host, int eventType);
public void sendAccessibilityEventUnchecked(View host, AccessibilityEvent event);
public Object getAccessibilityNodeProvider(View host);
public boolean performAccessibilityAction(View host, int action, Bundle args);
}
public static Object newAccessibilityDelegateBridge(
final AccessibilityDelegateBridgeJellyBean bridge) {
return new AccessibilityDelegate() {
@Override
public boolean dispatchPopulateAccessibilityEvent(View host, AccessibilityEvent event) {
return bridge.dispatchPopulateAccessibilityEvent(host, event);
}
@Override
public void onInitializeAccessibilityEvent(View host, AccessibilityEvent event) {
bridge.onInitializeAccessibilityEvent(host, event);
}
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
bridge.onInitializeAccessibilityNodeInfo(host, info);
}
@Override
public void onPopulateAccessibilityEvent(View host, AccessibilityEvent event) {
bridge.onPopulateAccessibilityEvent(host, event);
}
@Override
public boolean onRequestSendAccessibilityEvent(ViewGroup host, View child,
AccessibilityEvent event) {
return bridge.onRequestSendAccessibilityEvent(host, child, event);
}
@Override
public void sendAccessibilityEvent(View host, int eventType) {
bridge.sendAccessibilityEvent(host, eventType);
}
@Override
public void sendAccessibilityEventUnchecked(View host, AccessibilityEvent event) {
bridge.sendAccessibilityEventUnchecked(host, event);
}
@Override
public AccessibilityNodeProvider getAccessibilityNodeProvider(View host) {
return (AccessibilityNodeProvider) bridge.getAccessibilityNodeProvider(host);
}
@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
return bridge.performAccessibilityAction(host, action, args);
}
};
}
public static Object getAccessibilityNodeProvider(Object delegate,
View host) {
return ((AccessibilityDelegate) delegate).getAccessibilityNodeProvider(host);
}
public static boolean performAccessibilityAction(Object delegate, View host, int action,
Bundle args) {
return ((AccessibilityDelegate) delegate).performAccessibilityAction(host, action, args);
}
}