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      1 /*
      2  * Copyright (c) 2008, 2009, Google Inc. All rights reserved.
      3  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  *     * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  *     * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  *     * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "config.h"
     33 #include "PopupMenuChromium.h"
     34 
     35 #include "PopupContainer.h"
     36 #include "core/page/Frame.h"
     37 #include "core/page/FrameView.h"
     38 #include "core/page/Page.h"
     39 #include "core/page/Settings.h"
     40 
     41 namespace WebCore {
     42 
     43 int PopupMenuChromium::s_minimumRowHeight = 0;
     44 int PopupMenuChromium::s_optionRowHeightForTouch = 28;
     45 
     46 // The settings used for the drop down menu.
     47 // This is the delegate used if none is provided.
     48 static const PopupContainerSettings dropDownSettings = {
     49     true, // setTextOnIndexChange
     50     true, // acceptOnAbandon
     51     false, // loopSelectionNavigation
     52     false // restrictWidthOfListBox
     53 };
     54 
     55 PopupMenuChromium::PopupMenuChromium(Frame& frame, PopupMenuClient* client)
     56     : m_popupClient(client)
     57     , m_frameView(frame.view())
     58 {
     59 }
     60 
     61 PopupMenuChromium::~PopupMenuChromium()
     62 {
     63     // When the PopupMenuChromium is destroyed, the client could already have been
     64     // deleted.
     65     if (m_popup)
     66         m_popup->listBox()->disconnectClient();
     67     hide();
     68 }
     69 
     70 void PopupMenuChromium::show(const FloatQuad& controlPosition, const IntSize& controlSize, int index)
     71 {
     72     if (!m_popup) {
     73         Settings* settings = m_frameView->frame()->page()->settings();
     74         PopupContainerSettings popupSettings = dropDownSettings;
     75         popupSettings.deviceSupportsTouch = settings->deviceSupportsTouch();
     76         m_popup = PopupContainer::create(client(), PopupContainer::Select, popupSettings);
     77     }
     78     m_popup->showInRect(controlPosition, controlSize, m_frameView.get(), index);
     79 }
     80 
     81 void PopupMenuChromium::hide()
     82 {
     83     if (m_popup)
     84         m_popup->hide();
     85 }
     86 
     87 void PopupMenuChromium::updateFromElement()
     88 {
     89     m_popup->listBox()->updateFromElement();
     90 }
     91 
     92 
     93 void PopupMenuChromium::disconnectClient()
     94 {
     95     m_popupClient = 0;
     96 }
     97 
     98 } // namespace WebCore
     99