/*

 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

#include "config.h"

#include "ContextMenu.h"

#if ENABLE(CONTEXT_MENUS)

#include "ContextMenuController.h"

@interface WebCoreMenuTarget : NSObject {

    WebCore::ContextMenuController* _menuController;

}

+ (WebCoreMenuTarget*)sharedMenuTarget;

- (WebCore::ContextMenuController*)menuController;

- (void)setMenuController:(WebCore::ContextMenuController*)menuController;

- (void)forwardContextMenuAction:(id)sender;

- (BOOL)validateMenuItem:(NSMenuItem *)item;

@end

static WebCoreMenuTarget* target;

@implementation WebCoreMenuTarget

+ (WebCoreMenuTarget*)sharedMenuTarget

{

    if (!target)

        target = [[WebCoreMenuTarget alloc] init];

    return target;

}

- (WebCore::ContextMenuController*)menuController

{

    return _menuController;

}

- (void)setMenuController:(WebCore::ContextMenuController*)menuController

{

    _menuController = menuController;

}

- (void)forwardContextMenuAction:(id)sender

{

    WebCore::ContextMenuItem item(WebCore::ActionType, static_cast<WebCore::ContextMenuAction>([sender tag]), [sender title]);

    _menuController->contextMenuItemSelected(&item);

}

- (BOOL)validateMenuItem:(NSMenuItem *)item

{

    WebCore::ContextMenuItem coreItem(item);

    ASSERT(_menuController->contextMenu());

    _menuController->contextMenu()->checkOrEnableIfNeeded(coreItem);

    return coreItem.enabled();

}

@end

namespace WebCore {

ContextMenu::ContextMenu(const HitTestResult& result)

    : m_hitTestResult(result)

{

    NSMutableArray* array = [[NSMutableArray alloc] init];

    m_platformDescription = array;

    [array release];

    [[WebCoreMenuTarget sharedMenuTarget] setMenuController:controller()];

}

ContextMenu::ContextMenu(const HitTestResult& result, const PlatformMenuDescription menu)

    : m_hitTestResult(result)

    , m_platformDescription(menu)

{

    [[WebCoreMenuTarget sharedMenuTarget] setMenuController:controller()];

}

ContextMenu::~ContextMenu()

{

}

static void setMenuItemTarget(NSMenuItem* menuItem)

{

    [menuItem setTarget:[WebCoreMenuTarget sharedMenuTarget]];

    [menuItem setAction:@selector(forwardContextMenuAction:)];

}

void ContextMenu::appendItem(ContextMenuItem& item)

{

    checkOrEnableIfNeeded(item);

    ContextMenuItemType type = item.type();

    NSMenuItem* platformItem = item.releasePlatformDescription();

    if (type == ActionType)

        setMenuItemTarget(platformItem);

    [m_platformDescription.get() addObject:platformItem];

    [platformItem release];

}

void ContextMenu::insertItem(unsigned position, ContextMenuItem& item)

{

    checkOrEnableIfNeeded(item);

    ContextMenuItemType type = item.type();

    NSMenuItem* platformItem = item.releasePlatformDescription();

    if (type == ActionType)

        setMenuItemTarget(platformItem);

    [m_platformDescription.get() insertObject:platformItem atIndex:position];

    [platformItem release];

}

unsigned ContextMenu::itemCount() const

{

    return [m_platformDescription.get() count];

}

void ContextMenu::setPlatformDescription(NSMutableArray* menu)

{

    if (m_platformDescription.get() != menu)

        m_platformDescription = menu;

}

NSMutableArray* ContextMenu::platformDescription() const

{

    return m_platformDescription.get();

}

NSMutableArray* ContextMenu::releasePlatformDescription()

{

    return m_platformDescription.releaseRef();

}

} // namespace WebCore

#endif // ENABLE(CONTEXT_MENUS)