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      1 /*
      2  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
      3  * Copyright (C) 2010 Apple Inc. All rights reserved.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  *
     20  */
     21 
     22 #include "config.h"
     23 #include "WebPopupMenu.h"
     24 
     25 #include "PlatformPopupMenuData.h"
     26 #include "WebCoreArgumentCoders.h"
     27 #include "WebPage.h"
     28 #include "WebPageProxyMessages.h"
     29 #include "WebProcess.h"
     30 #include <WebCore/FrameView.h>
     31 #include <WebCore/PopupMenuClient.h>
     32 
     33 using namespace WebCore;
     34 
     35 namespace WebKit {
     36 
     37 PassRefPtr<WebPopupMenu> WebPopupMenu::create(WebPage* page, PopupMenuClient* client)
     38 {
     39     return adoptRef(new WebPopupMenu(page, client));
     40 }
     41 
     42 WebPopupMenu::WebPopupMenu(WebPage* page, PopupMenuClient* client)
     43     : m_popupClient(client)
     44     , m_page(page)
     45 {
     46 }
     47 
     48 WebPopupMenu::~WebPopupMenu()
     49 {
     50 }
     51 
     52 void WebPopupMenu::disconnectClient()
     53 {
     54     m_popupClient = 0;
     55 }
     56 
     57 void WebPopupMenu::didChangeSelectedIndex(int newIndex)
     58 {
     59     if (!m_popupClient)
     60         return;
     61 
     62     m_popupClient->popupDidHide();
     63     if (newIndex >= 0)
     64         m_popupClient->valueChanged(newIndex);
     65 }
     66 
     67 void WebPopupMenu::setTextForIndex(int index)
     68 {
     69     if (!m_popupClient)
     70         return;
     71 
     72     m_popupClient->setTextFromItem(index);
     73 }
     74 
     75 Vector<WebPopupItem> WebPopupMenu::populateItems()
     76 {
     77     size_t size = m_popupClient->listSize();
     78 
     79     Vector<WebPopupItem> items;
     80     items.reserveInitialCapacity(size);
     81 
     82     for (size_t i = 0; i < size; ++i) {
     83         if (m_popupClient->itemIsSeparator(i))
     84             items.append(WebPopupItem(WebPopupItem::Separator));
     85         else {
     86             // FIXME: Add support for styling the font.
     87             // FIXME: Add support for styling the foreground and background colors.
     88             // FIXME: Find a way to customize text color when an item is highlighted.
     89             PopupMenuStyle itemStyle = m_popupClient->itemStyle(i);
     90             items.append(WebPopupItem(WebPopupItem::Item, m_popupClient->itemText(i), itemStyle.textDirection(), itemStyle.hasTextDirectionOverride(), m_popupClient->itemToolTip(i), m_popupClient->itemAccessibilityText(i), m_popupClient->itemIsEnabled(i), m_popupClient->itemIsLabel(i)));
     91         }
     92     }
     93 
     94     return items;
     95 }
     96 
     97 void WebPopupMenu::show(const IntRect& rect, FrameView* view, int index)
     98 {
     99     // FIXME: We should probably inform the client to also close the menu.
    100     Vector<WebPopupItem> items = populateItems();
    101 
    102     if (items.isEmpty() || !m_page) {
    103         m_popupClient->popupDidHide();
    104         return;
    105     }
    106 
    107     m_page->setActivePopupMenu(this);
    108 
    109     // Move to page coordinates
    110     IntRect pageCoordinates(view->contentsToWindow(rect.location()), rect.size());
    111 
    112     PlatformPopupMenuData platformData;
    113     setUpPlatformData(pageCoordinates, platformData);
    114 
    115     WebProcess::shared().connection()->send(Messages::WebPageProxy::ShowPopupMenu(pageCoordinates, m_popupClient->menuStyle().textDirection(), items, index, platformData), m_page->pageID());
    116 }
    117 
    118 void WebPopupMenu::hide()
    119 {
    120     if (!m_page || !m_popupClient)
    121         return;
    122 
    123     WebProcess::shared().connection()->send(Messages::WebPageProxy::HidePopupMenu(), m_page->pageID());
    124     m_page->setActivePopupMenu(0);
    125 }
    126 
    127 void WebPopupMenu::updateFromElement()
    128 {
    129 #if PLATFORM(WIN)
    130     if (!m_page || !m_popupClient)
    131         return;
    132 
    133     int selectedIndex = m_popupClient->selectedIndex();
    134     WebProcess::shared().connection()->send(Messages::WebPageProxy::SetPopupMenuSelectedIndex(selectedIndex), m_page->pageID());
    135 #endif
    136 }
    137 
    138 } // namespace WebKit
    139