AccessibilityObjectIOS.mm   [plain text]

/*
 * Copyright (C) 2009 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "config.h"
#import "AccessibilityObject.h"

#if HAVE(ACCESSIBILITY) && PLATFORM(IOS)

#import "AccessibilityRenderObject.h"
#import "EventNames.h"
#import "HTMLInputElement.h"
#import "RenderObject.h"
#import "WAKView.h"
#import "WebAccessibilityObjectWrapperIOS.h"

namespace WebCore {
    
void AccessibilityObject::detachFromParent()
{
}

void AccessibilityObject::overrideAttachmentParent(AccessibilityObject*)
{
}
    
// In iPhone only code for now. It's debateable whether this is desired on all platforms.
int AccessibilityObject::accessibilityPasswordFieldLength()
{
    if (!isPasswordField())
        return 0;
    RenderObject* renderObject = downcast<AccessibilityRenderObject>(*this).renderer();
    
    if (!renderObject || !is<HTMLInputElement>(renderObject->node()))
        return false;
    
    HTMLInputElement& inputElement = downcast<HTMLInputElement>(*renderObject->node());
    return inputElement.value().length();
}

bool AccessibilityObject::accessibilityIgnoreAttachment() const
{
    return [[wrapper() attachmentView] accessibilityIsIgnored];
}
    
AccessibilityObjectInclusion AccessibilityObject::accessibilityPlatformIncludesObject() const
{
    return AccessibilityObjectInclusion::DefaultBehavior;
}
    
bool AccessibilityObject::hasAccessibleDismissEventListener() const
{
    for (auto* node = this->node(); node; node = node->parentNode()) {
        if (node->hasEventListeners(eventNames().accessibledismissEvent))
            return true;
    }
    return false;
}

bool AccessibilityObject::hasTouchEventListener() const
{
    for (auto* node = this->node(); node; node = node->parentNode()) {
        if (node->hasEventListeners(eventNames().touchstartEvent) || node->hasEventListeners(eventNames().touchendEvent))
            return true;
    }
    return false;
}
    
bool AccessibilityObject::isInputTypePopupButton() const
{
    if (is<HTMLInputElement>(node()))
        return roleValue() == AccessibilityRole::PopUpButton;
    return false;
}

} // WebCore

#endif // HAVE(ACCESSIBILITY) && PLATFORM(IOS)