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
31using namespace WebCore;
32
33namespace WebKit {
34
35WebContextMenuProxyWin::WebContextMenuProxyWin(HWND parentWindow, WebPageProxy* page)
36    : m_window(parentWindow)
37    , m_page(page)
38    , m_menu(0)
39{
40}
41
42void 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
74void 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
97void 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