Mozilla/mozilla/xpfe/appshell/src/nsAppShellWindowEnumerator.h
danm%netscape.com bffa3bd421 new implementation for window enumerators, including new z-level enumerators. bug 96151 r=hyatt,sfraser
git-svn-id: svn://10.0.0.236/trunk@102227 18797224-902f-48f8-a5cc-f745e15eee43
2001-09-04 23:30:24 +00:00

188 lines
5.3 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) 2001 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsIRDFResource.h"
#include "nsISimpleEnumerator.h"
#include "nsIXULWindow.h"
class nsWindowMediator;
/********************************************************************/
/**************************** nsWindowInfo **************************/
/********************************************************************/
struct nsWindowInfo
{
nsWindowInfo(nsIXULWindow* inWindow, PRInt32 inTimeStamp);
~nsWindowInfo();
nsCOMPtr<nsIRDFResource> mRDFID;
nsCOMPtr<nsIXULWindow> mWindow;
PRInt32 mTimeStamp;
// each struct is in two, independent, circular, doubly-linked lists
nsWindowInfo *mYounger, // next younger in sequence
*mOlder;
nsWindowInfo *mLower, // next lower in z-order
*mHigher;
PRBool TypeEquals(nsAReadableString &aType);
void InsertAfter(nsWindowInfo *inOlder, nsWindowInfo *inHigher);
void Unlink(PRBool inAge, PRBool inZ);
void ReferenceSelf(PRBool inAge, PRBool inZ);
};
/********************************************************************/
/************************ virtual enumerators ***********************/
/********************************************************************/
class nsAppShellWindowEnumerator : public nsISimpleEnumerator {
friend class nsWindowMediator;
public:
nsAppShellWindowEnumerator (const PRUnichar* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsAppShellWindowEnumerator();
NS_IMETHOD GetNext(nsISupports **retval) = 0;
NS_IMETHOD HasMoreElements(PRBool *retval);
NS_DECL_ISUPPORTS
protected:
void AdjustInitialPosition();
virtual nsWindowInfo *FindNext() = 0;
void WindowRemoved(nsWindowInfo *inInfo);
nsWindowMediator *mWindowMediator;
nsString mType;
nsWindowInfo *mCurrentPosition;
};
class nsASDOMWindowEnumerator : public nsAppShellWindowEnumerator {
public:
nsASDOMWindowEnumerator (const PRUnichar* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASDOMWindowEnumerator();
NS_IMETHOD GetNext(nsISupports **retval);
};
class nsASXULWindowEnumerator : public nsAppShellWindowEnumerator {
public:
nsASXULWindowEnumerator (const PRUnichar* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASXULWindowEnumerator();
NS_IMETHOD GetNext(nsISupports **retval);
};
/********************************************************************/
/*********************** concrete enumerators ***********************/
/********************************************************************/
class nsASDOMWindowEarlyToLateEnumerator : public nsASDOMWindowEnumerator {
public:
nsASDOMWindowEarlyToLateEnumerator(
const PRUnichar* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASDOMWindowEarlyToLateEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
class nsASXULWindowEarlyToLateEnumerator : public nsASXULWindowEnumerator {
public:
nsASXULWindowEarlyToLateEnumerator(
const PRUnichar* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASXULWindowEarlyToLateEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
class nsASDOMWindowFrontToBackEnumerator : public nsASDOMWindowEnumerator {
public:
nsASDOMWindowFrontToBackEnumerator(
const PRUnichar* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASDOMWindowFrontToBackEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
class nsASXULWindowFrontToBackEnumerator : public nsASXULWindowEnumerator {
public:
nsASXULWindowFrontToBackEnumerator(
const PRUnichar* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASXULWindowFrontToBackEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
class nsASDOMWindowBackToFrontEnumerator : public nsASDOMWindowEnumerator {
public:
nsASDOMWindowBackToFrontEnumerator (
const PRUnichar* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASDOMWindowBackToFrontEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
class nsASXULWindowBackToFrontEnumerator : public nsASXULWindowEnumerator {
public:
nsASXULWindowBackToFrontEnumerator (
const PRUnichar* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASXULWindowBackToFrontEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};