Mozilla/mozilla/widget/src/mac/nsMenuBar.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsMenuBar_h__
#define nsMenuBar_h__
#include "nsIMenuBar.h"
#include "nsIMenuListener.h"
#include "nsIDocumentObserver.h"
#include "nsIChangeManager.h"
#include "nsIPresContext.h"
#include "nsSupportsArray.h"
#include "nsVoidArray.h"
#include "nsHashtable.h"
#include "nsWeakReference.h"
#include <MacTypes.h>
#include <UnicodeConverter.h>
extern nsWeakPtr gMacMenubar;
class nsIWidget;
class nsIDocument;
namespace MenuHelpers
{
// utility routine for getting a PresContext out of a webShell
nsresult WebShellToPresContext ( nsIWebShell* inWebShell, nsIPresContext** outContext ) ;
// utility routine for handling unicode->OS text conversions for setting the item
// text in a menu.
void SetMenuItemText ( MenuHandle macMenuHandle, short menuItem, const nsString& text,
const UnicodeToTextRunInfo converter ) ;
// Converts unicode to a single script run and extract the relevant font information. The
// caller is responsible for deleting the memory allocated by this call with |nsMemory::Free()|.
// Returns |nsnull| if an error occurred.
char* ConvertToScriptRun ( const nsString & inStr, const UnicodeToTextRunInfo inConverter,
short* outFontID, SInt16* outFontSize, Style* outFontStyle ) ;
}
/**
* Native Mac MenuBar wrapper
*/
class nsMenuBar : public nsIMenuBar,
public nsIMenuListener,
public nsIDocumentObserver,
public nsIChangeManager,
public nsSupportsWeakReference
{
public:
nsMenuBar();
virtual ~nsMenuBar();
NS_DECL_ISUPPORTS
NS_DECL_NSICHANGEMANAGER
// nsIMenuListener interface
nsEventStatus MenuItemSelected(const nsMenuEvent & aMenuEvent);
nsEventStatus MenuSelected(const nsMenuEvent & aMenuEvent);
nsEventStatus MenuDeselected(const nsMenuEvent & aMenuEvent);
nsEventStatus MenuConstruct( const nsMenuEvent & aMenuEvent, nsIWidget * aParentWindow,
void* aDOMNode, void * aWebShell);
nsEventStatus MenuDestruct(const nsMenuEvent & aMenuEvent);
nsEventStatus CheckRebuild(PRBool & aMenuEvent);
nsEventStatus SetRebuild(PRBool aMenuEvent);
// nsIDocumentObserver
NS_IMETHOD BeginUpdate(nsIDocument *aDocument);
NS_IMETHOD EndUpdate(nsIDocument *aDocument);
NS_IMETHOD BeginLoad(nsIDocument *aDocument);
NS_IMETHOD EndLoad(nsIDocument *aDocument);
NS_IMETHOD BeginReflow(nsIDocument *aDocument, nsIPresShell* aShell);
NS_IMETHOD EndReflow(nsIDocument *aDocument, nsIPresShell* aShell);
NS_IMETHOD ContentChanged(nsIDocument *aDocument,
nsIContent* aContent,
nsISupports* aSubContent);
NS_IMETHOD ContentStatesChanged(nsIDocument *aDocument,
nsIContent* aContent1,
nsIContent* aContent2,
PRInt32 aStateMask);
NS_IMETHOD AttributeChanged(nsIDocument *aDocument,
nsIContent* aContent,
PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType,
PRInt32 aHint);
NS_IMETHOD ContentAppended(nsIDocument *aDocument,
nsIContent* aContainer,
PRInt32 aNewIndexInContainer);
NS_IMETHOD ContentInserted(nsIDocument *aDocument,
nsIContent* aContainer,
nsIContent* aChild,
PRInt32 aIndexInContainer);
NS_IMETHOD ContentReplaced(nsIDocument *aDocument,
nsIContent* aContainer,
nsIContent* aOldChild,
nsIContent* aNewChild,
PRInt32 aIndexInContainer);
NS_IMETHOD ContentRemoved(nsIDocument *aDocument,
nsIContent* aContainer,
nsIContent* aChild,
PRInt32 aIndexInContainer);
NS_IMETHOD StyleSheetAdded(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet);
NS_IMETHOD StyleSheetRemoved(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet);
NS_IMETHOD StyleSheetDisabledStateChanged(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet,
PRBool aDisabled);
NS_IMETHOD StyleRuleChanged(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet,
nsIStyleRule* aStyleRule,
PRInt32 aHint);
NS_IMETHOD StyleRuleAdded(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet,
nsIStyleRule* aStyleRule);
NS_IMETHOD StyleRuleRemoved(nsIDocument *aDocument,
nsIStyleSheet* aStyleSheet,
nsIStyleRule* aStyleRule);
NS_IMETHOD DocumentWillBeDestroyed(nsIDocument *aDocument);
NS_IMETHOD Create(nsIWidget * aParent);
// nsIMenuBar Methods
NS_IMETHOD GetParent(nsIWidget *&aParent);
NS_IMETHOD SetParent(nsIWidget * aParent);
NS_IMETHOD AddMenu(nsIMenu * aMenu);
NS_IMETHOD GetMenuCount(PRUint32 &aCount);
NS_IMETHOD GetMenuAt(const PRUint32 aCount, nsIMenu *& aMenu);
NS_IMETHOD InsertMenuAt(const PRUint32 aCount, nsIMenu *& aMenu);
NS_IMETHOD RemoveMenu(const PRUint32 aCount);
NS_IMETHOD RemoveAll();
NS_IMETHOD GetNativeData(void*& aData);
NS_IMETHOD Paint();
NS_IMETHOD SetNativeData(void* aData);
protected:
void GetDocument ( nsIWebShell* inWebShell, nsIDocument** outDocument ) ;
void RegisterAsDocumentObserver ( nsIWebShell* inWebShell ) ;
nsHashtable mObserverTable; // stores observers for content change notification
PRUint32 mNumMenus;
nsSupportsArray mMenusArray; // holds refs
nsCOMPtr<nsIContent> mMenuBarContent; // menubar content node, strong ref
nsIWidget * mParent; // weak ref
PRBool mIsMenuBarAdded;
nsWeakPtr mWebShellWeakRef; // weak ref to webshell
nsIDocument * mDocument; // pointer to doc
// Mac Specific
Handle mMacMBarHandle;
Handle mOriginalMacMBarHandle;
UnicodeToTextRunInfo mUnicodeTextRunConverter;
};
#endif // nsMenuBar_h__