160 lines
5.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsMenu_h__
#define nsMenu_h__
#include "nsCOMPtr.h"
#include "nsIMenu.h"
#include "nsVoidArray.h"
#include "nsIMenuListener.h"
#include "nsIChangeManager.h"
#include <Menus.h>
#include <UnicodeConverter.h>
class nsIMenuBar;
class nsIMenuListener;
class nsIDOMElement;
// temporary hack to get apple menu -- sfraser, approved saari
#define APPLE_MENU_HACK 1
#ifdef APPLE_MENU_HACK
extern const PRInt16 kMacMenuID;
extern const PRInt16 kAppleMenuID;
#endif /* APPLE_MENU_HACK */
//static PRInt16 mMacMenuIDCount; // use GetUniqueMenuID()
extern PRInt16 mMacMenuIDCount;// = kMacMenuID;
namespace MenuHelpers
{
// utility routine for getting a PresContext out of a webShell
nsresult WebShellToPresContext ( nsIWebShell* inWebShell, nsIPresContext** outContext ) ;
}
class nsMenu : public nsIMenu, public nsIMenuListener, public nsIChangeObserver
{
public:
nsMenu();
virtual ~nsMenu();
NS_DECL_ISUPPORTS
NS_DECL_NSICHANGEOBSERVER
// nsIMenuListener methods
nsEventStatus MenuItemSelected(const nsMenuEvent & aMenuEvent);
nsEventStatus MenuSelected(const nsMenuEvent & aMenuEvent);
nsEventStatus MenuDeselected(const nsMenuEvent & aMenuEvent);
nsEventStatus MenuConstruct( const nsMenuEvent & aMenuEvent, nsIWidget * aParentWindow,
void * menuNode, void * aWebShell);
nsEventStatus MenuDestruct(const nsMenuEvent & aMenuEvent);
// nsIMenu Methods
NS_IMETHOD Create ( nsISupports * aParent, const nsString &aLabel, const nsString &aAccessKey,
nsIChangeManager* aManager, nsIWebShell* aShell, nsIDOMNode* aNode ) ;
NS_IMETHOD GetParent(nsISupports *&aParent);
NS_IMETHOD GetLabel(nsString &aText);
NS_IMETHOD SetLabel(const nsString &aText);
NS_IMETHOD GetAccessKey(nsString &aText);
NS_IMETHOD SetAccessKey(const nsString &aText);
NS_IMETHOD AddItem(nsISupports* aText);
NS_IMETHOD AddSeparator();
NS_IMETHOD GetItemCount(PRUint32 &aCount);
NS_IMETHOD GetItemAt(const PRUint32 aPos, nsISupports *& aMenuItem);
NS_IMETHOD InsertItemAt(const PRUint32 aPos, nsISupports * aMenuItem);
NS_IMETHOD RemoveItem(const PRUint32 aPos);
NS_IMETHOD RemoveAll();
NS_IMETHOD GetNativeData(void** aData);
NS_IMETHOD SetNativeData(void* aData);
NS_IMETHOD AddMenuListener(nsIMenuListener * aMenuListener);
NS_IMETHOD RemoveMenuListener(nsIMenuListener * aMenuListener);
NS_IMETHOD GetDOMNode(nsIDOMNode ** aMenuNode);
NS_IMETHOD SetEnabled(PRBool aIsEnabled);
NS_IMETHOD GetEnabled(PRBool* aIsEnabled);
NS_IMETHOD IsHelpMenu(PRBool* aIsEnabled);
//
NS_IMETHOD AddMenuItem(nsIMenuItem * aMenuItem);
NS_IMETHOD AddMenu(nsIMenu * aMenu);
// MacSpecific
static PRInt16 GetUniqueMenuID() {
if (mMacMenuIDCount == 32767)
mMacMenuIDCount = 256;
return mMacMenuIDCount++;
}
protected:
nsString mLabel;
PRUint32 mNumMenuItems;
nsVoidArray mMenuItemVoidArray;
nsIMenu * mMenuParent; // weak, my parent owns me
nsIMenuBar * mMenuBarParent;
nsIDOMNode* mDOMNode; // weak ref, content model outlives us
nsCOMPtr<nsIDOMElement> mDOMElement; // for convenience; strong ref to manage the QI
nsIWebShell* mWebShell;
nsIChangeManager* mManager; // weak ref, it will outlive us
bool mConstructed;
// MacSpecific
PRInt16 mMacMenuID;
MenuHandle mMacMenuHandle;
nsIMenuListener * mListener;
UnicodeToTextRunInfo mUnicodeTextRunConverter;
PRInt16 mHelpMenuOSItemsCount;
PRBool mIsHelpMenu;
PRBool mIsEnabled;
PRBool mDestroyHandlerCalled;
// fetch the content node associated with the menupopup item
void GetMenuPopupElement ( nsIDOMNode** aResult ) ;
// fire handlers for oncreate/ondestroy
PRBool OnDestroy() ;
PRBool OnCreate() ;
void LoadMenuItem( nsIMenu * pParentMenu, nsIDOMElement * menuitemElement,
nsIDOMNode * menuitemNode, unsigned short menuitemIndex,
nsIWebShell * aWebShell);
void LoadSubMenu( nsIMenu * pParentMenu, nsIDOMElement * menuElement, nsIDOMNode * menuNode);
nsEventStatus HelpMenuConstruct( const nsMenuEvent & aMenuEvent, nsIWidget* aParentWindow,
void* menuNode, void* aWebShell);
void NSStringSetMenuItemText(MenuHandle macMenuHandle, short menuItem, nsString& nsString);
MenuHandle NSStringNewMenu(short menuID, nsString& menuTitle);
MenuHandle NSStringNewChildMenu(short menuID, nsString& menuTitle);
private:
};
#endif // nsMenu_h__