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      1 /*
      2  * Copyright (C) 2010 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "WebContextMenuProxyWin.h"
     28 
     29 #include <WebCore/NotImplemented.h>
     30 
     31 using namespace WebCore;
     32 
     33 namespace WebKit {
     34 
     35 WebContextMenuProxyWin::WebContextMenuProxyWin(HWND parentWindow, WebPageProxy* page)
     36     : m_window(parentWindow)
     37     , m_page(page)
     38     , m_menu(0)
     39 {
     40 }
     41 
     42 void WebContextMenuProxyWin::populateMenu(HMENU menu, const Vector<WebContextMenuItemData>& items)
     43 {
     44     for (size_t i = 0; i < items.size(); ++i) {
     45         const WebContextMenuItemData& itemData = items[i];
     46         switch (itemData.type()) {
     47         case ActionType:
     48         case CheckableActionType: {
     49             UINT flags = itemData.enabled() ? MF_ENABLED : MF_DISABLED;
     50             if (itemData.checked())
     51                 flags |= MF_CHECKED;
     52             String title = itemData.title();
     53             ::AppendMenu(menu, flags, itemData.action(), title.charactersWithNullTermination());
     54 
     55             m_actionMap.add(itemData.action(), itemData);
     56             break;
     57         }
     58         case SeparatorType:
     59             ::AppendMenu(menu, MF_SEPARATOR, 0, 0);
     60             break;
     61         case SubmenuType: {
     62             HMENU subMenu = ::CreatePopupMenu();
     63             populateMenu(subMenu, itemData.submenu());
     64             String title = itemData.title();
     65             ::AppendMenu(menu, MF_POPUP, reinterpret_cast<UINT>(subMenu), title.charactersWithNullTermination());
     66             break;
     67         }
     68         default:
     69             ASSERT_NOT_REACHED();
     70         }
     71     }
     72 }
     73 
     74 void WebContextMenuProxyWin::showContextMenu(const IntPoint& origin, const Vector<WebContextMenuItemData>& items)
     75 {
     76     if (items.isEmpty())
     77         return;
     78 
     79     // Hide any context menu we have showing (this also destroys the menu).
     80     hideContextMenu();
     81 
     82     m_menu = ::CreatePopupMenu();
     83     populateMenu(m_menu, items);
     84 
     85     POINT point = POINT(origin);
     86     if (!::ClientToScreen(m_window, &point))
     87         return;
     88 
     89     UINT flags = TPM_RIGHTBUTTON | TPM_TOPALIGN | TPM_VERPOSANIMATION | TPM_HORIZONTAL | TPM_LEFTALIGN | TPM_HORPOSANIMATION | TPM_RETURNCMD | TPM_NONOTIFY;
     90     int selectedCommand = ::TrackPopupMenuEx(m_menu, flags, point.x, point.y, m_window, 0);
     91     if (!selectedCommand)
     92         return;
     93 
     94     m_page->contextMenuItemSelected(m_actionMap.get(selectedCommand));
     95 }
     96 
     97 void WebContextMenuProxyWin::hideContextMenu()
     98 {
     99     if (m_menu) {
    100         ::DestroyMenu(m_menu);
    101         m_menu = 0;
    102     }
    103 
    104     m_actionMap.clear();
    105 }
    106 
    107 } // namespace WebKit
    108