gecko-dev/webshell/tests/viewer/nsThrobber.h
2004-04-17 16:52:41 +00:00

116 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 Communicator client 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 of 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 MPL, 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 MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsThrobber_h___
#define nsThrobber_h___
#include "nsIWidget.h"
#include "nsVoidArray.h"
#include "nsCRT.h"
#include "nsCOMPtr.h"
#include "nsITimer.h"
class nsIImageGroup;
struct nsRect;
class nsThrobber : public nsISupports
{
public:
static nsThrobber* NewThrobber();
NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
NS_DECL_ISUPPORTS
#if 0
// nsIImageRequestObserver
virtual void Notify(nsIImageRequest *aImageRequest,
nsIImage *aImage,
nsImageNotification aNotificationType,
PRInt32 aParam1, PRInt32 aParam2,
void *aParam3);
virtual void NotifyError(nsIImageRequest *aImageRequest,
nsImageError aErrorType);
#endif
// nsThrobber
nsresult Init(nsIWidget* aParent, const nsRect& aBounds,
const nsString& aFileNameMask, PRInt32 aNumImages);
void Destroy();
nsresult MoveTo(PRInt32 aX, PRInt32 aY);
nsresult Show();
nsresult Hide();
nsresult Start();
nsresult Stop();
protected:
nsThrobber();
virtual ~nsThrobber();
void Tick();
nsresult LoadThrobberImages(const nsString& aFileNameMask,
PRInt32 aNumImages);
void DestroyThrobberImages();
PRInt32 mWidth;
PRInt32 mHeight;
nsIWidget* mWidget;
nsVoidArray* mImages;
PRInt32 mNumImages;
PRInt32 mIndex;
// nsIImageGroup* mImageGroup;
nsCOMPtr<nsITimer> mTimer;
PRBool mRunning;
PRUint32 mCompletedImages;
PRInt32 mPreferredWidth;
PRInt32 mPreferredHeight;
static nsThrobber* FindThrobberFor(nsIWidget* aWidget);
static void AddThrobber(nsThrobber* aThrobber);
static void RemoveThrobber(nsThrobber* aThrobber);
static nsEventStatus PR_CALLBACK HandleThrobberEvent(nsGUIEvent *aEvent);
static void ThrobTimerCallback(nsITimer *aTimer, void *aClosure);
static nsVoidArray* gThrobbers;
static PRInt32 gNumThrobbers;
};
#endif /* nsThrobber_h___ */