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 * Copyright (C) 2011-2018 Apple Inc. All rights reserved.
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 */

#include "config.h"
#include "BaseClickableWithKeyInputType.h"

#include "HTMLInputElement.h"
#include "KeyboardEvent.h"

namespace WebCore {

using namespace HTMLNames;

void BaseClickableWithKeyInputType::handleKeydownEvent(HTMLInputElement& element, KeyboardEvent& event)
{
    const String& key = event.keyIdentifier();
    if (key == "U+0020") {
        element.setActive(true, true);
        // No setDefaultHandled(), because IE dispatches a keypress in this case
        // and the caller will only dispatch a keypress if we don't call setDefaultHandled().
    }
}

void BaseClickableWithKeyInputType::handleKeypressEvent(HTMLInputElement& element, KeyboardEvent& event)
{
    int charCode = event.charCode();
    if (charCode == '\r') {
        element.dispatchSimulatedClick(&event);
        event.setDefaultHandled();
        return;
    }
    if (charCode == ' ') {
        // Prevent scrolling down the page.
        event.setDefaultHandled();
    }
}

void BaseClickableWithKeyInputType::handleKeyupEvent(InputType& inputType, KeyboardEvent& event)
{
    const String& key = event.keyIdentifier();
    if (key != "U+0020")
        return;
    // Simulate mouse click for spacebar for button types.
    inputType.dispatchSimulatedClickIfActive(event);
}

// FIXME: Could share this with BaseCheckableInputType and RangeInputType if we had a common base class.
void BaseClickableWithKeyInputType::accessKeyAction(HTMLInputElement& element, bool sendMouseEvents)
{
    element.dispatchSimulatedClick(0, sendMouseEvents ? SendMouseUpDownEvents : SendNoEvents);
}

void BaseClickableWithKeyInputType::handleKeydownEvent(KeyboardEvent& event)
{
    ASSERT(element());
    handleKeydownEvent(*element(), event);
}

void BaseClickableWithKeyInputType::handleKeypressEvent(KeyboardEvent& event)
{
    ASSERT(element());
    handleKeypressEvent(*element(), event);
}

void BaseClickableWithKeyInputType::handleKeyupEvent(KeyboardEvent& event)
{
    handleKeyupEvent(*this, event);
}

void BaseClickableWithKeyInputType::accessKeyAction(bool sendMouseEvents)
{
    InputType::accessKeyAction(sendMouseEvents);
    ASSERT(element());
    accessKeyAction(*element(), sendMouseEvents);
}

} // namespace WebCore
