BaseCheckableInputType.cpp   [plain text]

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#include "config.h"
#include "BaseCheckableInputType.h"

#include "FormDataList.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "KeyboardEvent.h"
#include "RegularExpression.h"

namespace WebCore {

bool BaseCheckableInputType::saveFormControlState(String& result) const
{
    result = element()->checked() ? "on" : "off";
    return true;
}

void BaseCheckableInputType::restoreFormControlState(const String& state) const
{
    element()->setChecked(state == "on");
}

bool BaseCheckableInputType::appendFormData(FormDataList& encoding, bool) const
{
    if (!element()->checked())
        return false;
    encoding.appendData(element()->name(), element()->value());
    return true;
}

void BaseCheckableInputType::handleKeydownEvent(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 BaseCheckableInputType::handleKeypressEvent(KeyboardEvent* event)
{
    if (event->charCode() == ' ') {
        // Prevent scrolling down the page.
        event->setDefaultHandled();
    }
}

bool BaseCheckableInputType::canSetStringValue() const
{
    return false;
}

// FIXME: Could share this with BaseButtonInputType and RangeInputType if we had a common base class.
void BaseCheckableInputType::accessKeyAction(bool sendToAnyElement)
{
    InputType::accessKeyAction(sendToAnyElement);

    // Send mouse button events if the caller specified sendToAnyElement.
    // FIXME: The comment above is no good. It says what we do, but not why.
    element()->dispatchSimulatedClick(0, sendToAnyElement);
}

String BaseCheckableInputType::fallbackValue()
{
    return element()->checked() ? "on" : "";
}

bool BaseCheckableInputType::storesValueSeparateFromAttribute()
{
    return false;
}

bool BaseCheckableInputType::isCheckable()
{
    return true;
}

} // namespace WebCore