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/*
* Copyright (C) 2009 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;
/**
* This interface is implemented by classes source of {@link AccessibilityEvent}s.
*
* <div class="special reference">
* <h3>Developer Guides</h3>
* <p>For more information about making applications accessible, read the
* <a href="{@docRoot}guide/topics/ui/accessibility/index.html">Accessibility</a>
* developer guide.</p>
* </div>
*/
public interface AccessibilityEventSource {
/**
* Handles the request for sending an {@link AccessibilityEvent} given
* the event type. The method must first check if accessibility is on
* via calling {@link AccessibilityManager#isEnabled() AccessibilityManager.isEnabled()},
* obtain an {@link AccessibilityEvent} from the event pool through calling
* {@link AccessibilityEvent#obtain(int) AccessibilityEvent.obtain(int)}, populate the
* event, and send it for dispatch via calling
* {@link AccessibilityManager#sendAccessibilityEvent(AccessibilityEvent)
* AccessibilityManager.sendAccessibilityEvent(AccessibilityEvent)}.
*
* @see AccessibilityEvent
* @see AccessibilityManager
*
* @param eventType The event type.
*/
public void sendAccessibilityEvent(int eventType);
/**
* Handles the request for sending an {@link AccessibilityEvent}. The
* method does not guarantee to check if accessibility is on before
* sending the event for dispatch. It is responsibility of the caller
* to do the check via calling {@link AccessibilityManager#isEnabled()
* AccessibilityManager.isEnabled()}.
*
* @see AccessibilityEvent
* @see AccessibilityManager
*
* @param event The event.
*/
public void sendAccessibilityEventUnchecked(AccessibilityEvent event);
}
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