Source/WebCore/platform/chromium/PopupMenuChromium.cpp

/*
 * Copyright (c) 2008, 2009, Google Inc. All rights reserved.
 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
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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.
 *
 * 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
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#include "config.h"
#include "PopupMenuChromium.h"

#include "Frame.h"
#include "FrameView.h"
#include "Page.h"
#include "PopupContainer.h"
#include "Settings.h"

namespace WebCore {

int PopupMenuChromium::s_minimumRowHeight = 0;
int PopupMenuChromium::s_optionPaddingForTouch = 30;

// The settings used for the drop down menu.
// This is the delegate used if none is provided.
static const PopupContainerSettings dropDownSettings = {
    true, // setTextOnIndexChange
    true, // acceptOnAbandon
    false, // loopSelectionNavigation
    false // restrictWidthOfListBox
};

PopupMenuChromium::PopupMenuChromium(PopupMenuClient* client)
    : m_popupClient(client)
{
}

PopupMenuChromium::~PopupMenuChromium()
{
    // When the PopupMenuChromium is destroyed, the client could already have been
    // deleted.
    if (p.popup)
        p.popup->listBox()->disconnectClient();
    hide();
}

void PopupMenuChromium::show(const IntRect& rect, FrameView* frameView, int index)
{
    if (!p.popup) {
        Settings* settings = frameView->frame()->page()->settings();
        PopupContainerSettings popupSettings = dropDownSettings;
        popupSettings.deviceSupportsTouch = settings->deviceSupportsTouch();
        p.popup = PopupContainer::create(client(), PopupContainer::Select, popupSettings);
    }
    p.popup->showInRect(rect, frameView, index);
}

void PopupMenuChromium::hide()
{
    if (p.popup)
        p.popup->hide();
}

void PopupMenuChromium::updateFromElement()
{
    p.popup->listBox()->updateFromElement();
}


void PopupMenuChromium::disconnectClient()
{
    m_popupClient = 0;
}

} // namespace WebCore