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      1 /*
      2  * Copyright (C) 2006, 2007 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 COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "ContextMenuItem.h"
     28 
     29 #include "ContextMenu.h"
     30 
     31 #include "CString.h"
     32 #include <windows.h>
     33 
     34 namespace WebCore {
     35 
     36 ContextMenuItem::ContextMenuItem(LPMENUITEMINFO item)
     37     : m_platformDescription(item)
     38 {
     39 }
     40 
     41 ContextMenuItem::ContextMenuItem(ContextMenu* subMenu)
     42 {
     43     m_platformDescription = (LPMENUITEMINFO)malloc(sizeof(MENUITEMINFO));
     44     if (!m_platformDescription)
     45         return;
     46 
     47     memset(m_platformDescription, 0, sizeof(MENUITEMINFO));
     48     m_platformDescription->cbSize = sizeof(MENUITEMINFO);
     49 
     50     m_platformDescription->wID = ContextMenuItemTagNoAction;
     51     if (subMenu) {
     52         m_platformDescription->fMask |= MIIM_SUBMENU;
     53         m_platformDescription->hSubMenu = subMenu->platformDescription();
     54     }
     55 }
     56 
     57 ContextMenuItem::ContextMenuItem(ContextMenuItemType type, ContextMenuAction action, const String& title, ContextMenu* subMenu)
     58 {
     59     m_platformDescription = (LPMENUITEMINFO)malloc(sizeof(MENUITEMINFO));
     60     if (!m_platformDescription)
     61         return;
     62 
     63     memset(m_platformDescription, 0, sizeof(MENUITEMINFO));
     64     m_platformDescription->cbSize = sizeof(MENUITEMINFO);
     65     m_platformDescription->fMask = MIIM_FTYPE;
     66 
     67     if (type == SeparatorType) {
     68         m_platformDescription->fType = MFT_SEPARATOR;
     69         return;
     70     }
     71 
     72     if (subMenu) {
     73         m_platformDescription->fMask |= MIIM_STRING | MIIM_SUBMENU;
     74         m_platformDescription->hSubMenu = subMenu->platformDescription();
     75     } else
     76         m_platformDescription->fMask |= MIIM_STRING | MIIM_ID;
     77 
     78     m_platformDescription->fType = MFT_STRING;
     79     m_platformDescription->wID = action;
     80 
     81     String t = title;
     82     m_platformDescription->cch = t.length();
     83     m_platformDescription->dwTypeData = wcsdup(t.charactersWithNullTermination());
     84 }
     85 
     86 ContextMenuItem::~ContextMenuItem()
     87 {
     88     if (m_platformDescription) {
     89         if (m_platformDescription->fType == MFT_STRING)
     90             free(m_platformDescription->dwTypeData);
     91         free(m_platformDescription);
     92     }
     93 }
     94 
     95 LPMENUITEMINFO ContextMenuItem::releasePlatformDescription()
     96 {
     97     LPMENUITEMINFO info = m_platformDescription;
     98     m_platformDescription = 0;
     99     return info;
    100 }
    101 
    102 ContextMenuItemType ContextMenuItem::type() const
    103 {
    104     ContextMenuItemType type = ActionType;
    105     if (((m_platformDescription->fType & ~MFT_OWNERDRAW) == MFT_STRING) && m_platformDescription->hSubMenu)
    106         type = SubmenuType;
    107     else if (m_platformDescription->fType & MFT_SEPARATOR)
    108         type = SeparatorType;
    109 
    110     return type;
    111 }
    112 
    113 ContextMenuAction ContextMenuItem::action() const
    114 {
    115     return static_cast<ContextMenuAction>(m_platformDescription->wID);
    116 }
    117 
    118 String ContextMenuItem::title() const
    119 {
    120     return String(m_platformDescription->dwTypeData, wcslen(m_platformDescription->dwTypeData));
    121 }
    122 
    123 PlatformMenuDescription ContextMenuItem::platformSubMenu() const
    124 {
    125     return m_platformDescription->hSubMenu;
    126 }
    127 
    128 void ContextMenuItem::setType(ContextMenuItemType type)
    129 {
    130     if (type == SeparatorType)
    131         m_platformDescription->fType = MFT_SEPARATOR;
    132     else
    133         m_platformDescription->fType = MFT_STRING;
    134 }
    135 
    136 void ContextMenuItem::setAction(ContextMenuAction action)
    137 {
    138     m_platformDescription->wID = action;
    139 }
    140 
    141 void ContextMenuItem::setTitle(const String& title)
    142 {
    143     if (m_platformDescription->dwTypeData)
    144         free(m_platformDescription->dwTypeData);
    145 
    146     m_platformDescription->cch = title.length();
    147     String titleCopy = title;
    148     m_platformDescription->dwTypeData = wcsdup(titleCopy.charactersWithNullTermination());
    149 }
    150 
    151 void ContextMenuItem::setSubMenu(ContextMenu* subMenu)
    152 {
    153     if (subMenu->platformDescription() == m_platformDescription->hSubMenu)
    154         return;
    155 
    156     if (m_platformDescription->hSubMenu)
    157         ::DestroyMenu(m_platformDescription->hSubMenu);
    158 
    159     m_platformDescription->fMask |= MIIM_SUBMENU;
    160     m_platformDescription->hSubMenu = subMenu->releasePlatformDescription();
    161 }
    162 
    163 void ContextMenuItem::setChecked(bool checked)
    164 {
    165     m_platformDescription->fMask |= MIIM_STATE;
    166     if (checked) {
    167         m_platformDescription->fState &= ~MFS_UNCHECKED;
    168         m_platformDescription->fState |= MFS_CHECKED;
    169     } else {
    170         m_platformDescription->fState &= ~MFS_CHECKED;
    171         m_platformDescription->fState |= MFS_UNCHECKED;
    172     }
    173 }
    174 
    175 void ContextMenuItem::setEnabled(bool enabled)
    176 {
    177     m_platformDescription->fMask |= MIIM_STATE;
    178     if (enabled) {
    179         m_platformDescription->fState &= ~MFS_DISABLED;
    180         m_platformDescription->fState |= MFS_ENABLED;
    181     } else {
    182         m_platformDescription->fState &= ~MFS_ENABLED;
    183         m_platformDescription->fState |= MFS_DISABLED;
    184     }
    185 }
    186 
    187 bool ContextMenuItem::enabled() const
    188 {
    189     return !(m_platformDescription->fState & MFS_DISABLED);
    190 }
    191 
    192 }
    193