/*

 * Copyright (C) 2010 Google Inc. All rights reserved.

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 * modification, are permitted provided that the following conditions are

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 * in the documentation and/or other materials provided with the

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 * this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT

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#include "config.h"

#include "AccessibilityController.h"

#include "TestShell.h"

#include "public/WebAccessibilityCache.h"

#include "public/WebAccessibilityObject.h"

#include "public/WebFrame.h"

#include "public/WebString.h"

#include "public/WebView.h"

using namespace WebKit;

AccessibilityController::AccessibilityController(TestShell* shell)

    : m_shell(shell)

{

    bindMethod("logFocusEvents",

        &AccessibilityController::logFocusEventsCallback);

    bindMethod("logScrollingStartEvents",

        &AccessibilityController::logScrollingStartEventsCallback);

    bindProperty("focusedElement",

        &AccessibilityController::focusedElementGetterCallback);

    bindProperty("rootElement",

        &AccessibilityController::rootElementGetterCallback);

    bindFallbackMethod(&AccessibilityController::fallbackCallback);

}

void AccessibilityController::bindToJavascript(WebFrame* frame, const WebString& classname)

{

    WebAccessibilityCache::enableAccessibility();

    CppBoundClass::bindToJavascript(frame, classname);

}

void AccessibilityController::reset()

{

    m_rootElement = WebAccessibilityObject();

    m_focusedElement = WebAccessibilityObject();

    m_elements.clear();

}

void AccessibilityController::setFocusedElement(const WebAccessibilityObject& focusedElement)

{

    m_focusedElement = focusedElement;

}

AccessibilityUIElement* AccessibilityController::getFocusedElement()

{

    if (m_focusedElement.isNull())

        m_focusedElement = m_shell->webView()->accessibilityObject();

    return m_elements.create(m_focusedElement);

}

AccessibilityUIElement* AccessibilityController::getRootElement()

{

    if (m_rootElement.isNull())

        m_rootElement = m_shell->webView()->accessibilityObject();

    return m_elements.createRoot(m_rootElement);

}

void AccessibilityController::logFocusEventsCallback(const CppArgumentList&, CppVariant* result)

{

    // As of r49031, this is not being used upstream.

    result->setNull();

}

void AccessibilityController::logScrollingStartEventsCallback(const CppArgumentList&, CppVariant* result)

{

    // As of r49031, this is not being used upstream.

    result->setNull();

}

void AccessibilityController::focusedElementGetterCallback(CppVariant* result)

{

    result->set(*(getFocusedElement()->getAsCppVariant()));

}

void AccessibilityController::rootElementGetterCallback(CppVariant* result)

{

    result->set(*(getRootElement()->getAsCppVariant()));

}

void AccessibilityController::fallbackCallback(const CppArgumentList&, CppVariant* result)

{

    printf("CONSOLE MESSAGE: JavaScript ERROR: unknown method called on "

           "AccessibilityController\n");

    result->setNull();

}