Implement <select> Popup Menu using PagePopup

Source/web/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
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. nor the names of its
- * 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
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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- * 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.
- */
-
-#include "config.h"
-#include "web/PopupMenuChromium.h"
-
-#include "core/frame/FrameView.h"
-#include "core/frame/LocalFrame.h"
-#include "core/frame/Settings.h"
-#include "web/PopupContainer.h"
-
-namespace blink {
-
-PopupMenuChromium::PopupMenuChromium(LocalFrame& frame, PopupMenuClient* client)
-    : m_popupClient(client)
-    , m_frameView(frame.view())
-{
-}
-
-PopupMenuChromium::~PopupMenuChromium()
-{
-#if ENABLE(OILPAN)
-    // Verify that dispose() has been called when disconnecting.
-    ASSERT(!m_popupClient);
-#else
-    dispose();
-#endif
-}
-
-void PopupMenuChromium::dispose()
-{
-    // When the PopupMenuChromium is destroyed, the client could already have been deleted.
-    if (m_popup)
-        m_popup->disconnectClient();
-    hide();
-}
-
-void PopupMenuChromium::trace(Visitor* visitor)
-{
-    visitor->trace(m_frameView);
-    visitor->trace(m_popup);
-    PopupMenu::trace(visitor);
-}
-
-void PopupMenuChromium::show(const FloatQuad& controlPosition, const IntSize& controlSize, int index)
-{
-    if (!m_popup) {
-        bool deviceSupportsTouch = m_frameView->frame().settings()->deviceSupportsTouch();
-        m_popup = PopupContainer::create(m_popupClient, deviceSupportsTouch);
-    }
-    m_popup->showInRect(controlPosition, controlSize, m_frameView.get(), index);
-}
-
-void PopupMenuChromium::hide()
-{
-    if (m_popup)
-        m_popup->hide();
-}
-
-void PopupMenuChromium::updateFromElement()
-{
-    m_popup->updateFromElement();
-}
-
-
-void PopupMenuChromium::disconnectClient()
-{
-    m_popupClient = 0;
-#if ENABLE(OILPAN)
-    // Cannot be done during finalization, so instead done when the
-    // render object is destroyed and disconnected.
-    //
-    // FIXME: do this always, regardless of ENABLE(OILPAN).
-    dispose();
-#endif
-}
-
-} // namespace blink