gecko-dev/webshell/tests/viewer/nsThrobber.h

99 строки
2.8 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 Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsThrobber_h___
#define nsThrobber_h___
#include "nsIImageObserver.h"
#include "nsIWidget.h"
#include "nsVoidArray.h"
#include "nsCRT.h"
#include "nsCOMPtr.h"
#include "nsITimer.h"
class nsIImageGroup;
struct nsRect;
class nsThrobber : public nsIImageRequestObserver {
public:
static nsThrobber* NewThrobber();
NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
NS_DECL_ISUPPORTS
// nsIImageRequestObserver
virtual void Notify(nsIImageRequest *aImageRequest,
nsIImage *aImage,
nsImageNotification aNotificationType,
PRInt32 aParam1, PRInt32 aParam2,
void *aParam3);
virtual void NotifyError(nsIImageRequest *aImageRequest,
nsImageError aErrorType);
// 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___ */