WebProcessProxyIOS.mm   [plain text]

/*
 * Copyright (C) 2012 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. AND ITS CONTRIBUTORS ``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 ITS 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 "WebProcessProxy.h"

#if PLATFORM(IOS_FAMILY)

#import "AccessibilitySupportSPI.h"
#import "WKFullKeyboardAccessWatcher.h"
#import "WebProcessMessages.h"

namespace WebKit {

bool WebProcessProxy::fullKeyboardAccessEnabled()
{
#if ENABLE(FULL_KEYBOARD_ACCESS)
    return [WKFullKeyboardAccessWatcher fullKeyboardAccessEnabled];
#else
    return NO;
#endif
}

void WebProcessProxy::unblockAccessibilityServerIfNeeded()
{
    if (m_hasSentMessageToUnblockAccessibilityServer)
        return;
    if (!_AXSApplicationAccessibilityEnabled())
        return;
    if (!processIdentifier())
        return;
    if (!canSendMessage())
        return;

    SandboxExtension::Handle handle;
    if (!SandboxExtension::createHandleForMachLookup("com.apple.iphone.axserver-systemwide", connection() ? connection()->getAuditToken() : WTF::nullopt, handle))
        return;

    send(Messages::WebProcess::UnblockAccessibilityServer(handle), 0);
    m_hasSentMessageToUnblockAccessibilityServer = true;
}

} // namespace WebKit

#endif // PLATFORM(IOS_FAMILY)