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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsAppShellWindowEnumerator_h
#define nsAppShellWindowEnumerator_h
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsISimpleEnumerator.h"
#include "nsIXULWindow.h"
class nsWindowMediator;
//
// nsWindowInfo
//
struct nsWindowInfo
{
nsWindowInfo(nsIXULWindow* inWindow, int32_t inTimeStamp);
~nsWindowInfo();
nsCOMPtr<nsIXULWindow> mWindow;
int32_t mTimeStamp;
uint32_t mZLevel;
// 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;
bool TypeEquals(const nsAString &aType);
void InsertAfter(nsWindowInfo *inOlder, nsWindowInfo *inHigher);
void Unlink(bool inAge, bool inZ);
void ReferenceSelf(bool inAge, bool inZ);
};
//
// virtual enumerators
//
class nsAppShellWindowEnumerator : public nsISimpleEnumerator {
friend class nsWindowMediator;
public:
nsAppShellWindowEnumerator(const char16_t* aTypeString,
nsWindowMediator& inMediator);
NS_IMETHOD GetNext(nsISupports **retval) override = 0;
NS_IMETHOD HasMoreElements(bool *retval) override;
NS_DECL_ISUPPORTS
protected:
virtual ~nsAppShellWindowEnumerator();
void AdjustInitialPosition();
virtual nsWindowInfo *FindNext() = 0;
void WindowRemoved(nsWindowInfo *inInfo);
nsWindowMediator *mWindowMediator;
nsString mType;
nsWindowInfo *mCurrentPosition;
};
class nsASDOMWindowEnumerator : public nsAppShellWindowEnumerator {
public:
nsASDOMWindowEnumerator(const char16_t* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASDOMWindowEnumerator();
NS_IMETHOD GetNext(nsISupports **retval);
};
class nsASXULWindowEnumerator : public nsAppShellWindowEnumerator {
public:
nsASXULWindowEnumerator(const char16_t* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASXULWindowEnumerator();
NS_IMETHOD GetNext(nsISupports **retval);
};
//
// concrete enumerators
//
class nsASDOMWindowEarlyToLateEnumerator : public nsASDOMWindowEnumerator {
public:
nsASDOMWindowEarlyToLateEnumerator(const char16_t* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASDOMWindowEarlyToLateEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
class nsASXULWindowEarlyToLateEnumerator : public nsASXULWindowEnumerator {
public:
nsASXULWindowEarlyToLateEnumerator(const char16_t* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASXULWindowEarlyToLateEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
class nsASDOMWindowFrontToBackEnumerator : public nsASDOMWindowEnumerator {
public:
nsASDOMWindowFrontToBackEnumerator(const char16_t* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASDOMWindowFrontToBackEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
class nsASXULWindowFrontToBackEnumerator : public nsASXULWindowEnumerator {
public:
nsASXULWindowFrontToBackEnumerator(const char16_t* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASXULWindowFrontToBackEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
class nsASDOMWindowBackToFrontEnumerator : public nsASDOMWindowEnumerator {
public:
nsASDOMWindowBackToFrontEnumerator(const char16_t* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASDOMWindowBackToFrontEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
class nsASXULWindowBackToFrontEnumerator : public nsASXULWindowEnumerator {
public:
nsASXULWindowBackToFrontEnumerator(const char16_t* aTypeString,
nsWindowMediator& inMediator);
virtual ~nsASXULWindowBackToFrontEnumerator();
protected:
virtual nsWindowInfo *FindNext();
};
#endif
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