1999-09-25 20:11:47 +00:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#ifndef nsThrobber_h___
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#define nsThrobber_h___
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#include "nsweb.h"
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#include "nsIImageObserver.h"
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#include "nsIWidget.h"
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#include "nsVoidArray.h"
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#include "nsCRT.h"
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class nsIImageGroup;
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class nsITimer;
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class nsRect;
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class nsThrobber : public nsIImageRequestObserver {
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public:
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static nsThrobber* NewThrobber();
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NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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NS_DECL_ISUPPORTS
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// nsIImageRequestObserver
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virtual void Notify(nsIImageRequest *aImageRequest,
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nsIImage *aImage,
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nsImageNotification aNotificationType,
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PRInt32 aParam1, PRInt32 aParam2,
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void *aParam3);
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virtual void NotifyError(nsIImageRequest *aImageRequest,
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nsImageError aErrorType);
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// nsThrobber
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nsresult Init(nsIWidget* aParent, const nsRect& aBounds,
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const nsString& aFileNameMask, PRInt32 aNumImages);
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1999-10-04 23:41:25 +00:00
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void Destroy();
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1999-09-25 20:11:47 +00:00
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nsresult MoveTo(PRInt32 aX, PRInt32 aY);
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nsresult Show();
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nsresult Hide();
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nsresult Start();
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nsresult Stop();
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protected:
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nsThrobber();
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virtual ~nsThrobber();
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void Tick();
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nsresult LoadThrobberImages(const nsString& aFileNameMask,
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PRInt32 aNumImages);
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void DestroyThrobberImages();
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PRInt32 mWidth;
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PRInt32 mHeight;
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nsIWidget* mWidget;
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nsVoidArray* mImages;
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PRInt32 mNumImages;
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PRInt32 mIndex;
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nsIImageGroup* mImageGroup;
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nsITimer* mTimer;
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PRBool mRunning;
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PRUint32 mCompletedImages;
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PRInt32 mPreferredWidth;
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PRInt32 mPreferredHeight;
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static nsThrobber* FindThrobberFor(nsIWidget* aWidget);
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static void AddThrobber(nsThrobber* aThrobber);
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static void RemoveThrobber(nsThrobber* aThrobber);
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static nsEventStatus PR_CALLBACK HandleThrobberEvent(nsGUIEvent *aEvent);
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static void ThrobTimerCallback(nsITimer *aTimer, void *aClosure);
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static nsVoidArray* gThrobbers;
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static PRInt32 gNumThrobbers;
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};
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#endif /* nsThrobber_h___ */
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