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Updates to invalidate throbber after last image has completed loading

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This commit is contained in:
spider%netscape.com 1998-08-25 14:45:24 +00:00
parent 6a4d5369e5
commit 696ea5561a
1 changed files with 33 additions and 37 deletions
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70
webshell/src/nsThrobber.cpp
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@ -42,6 +42,7 @@ static NS_DEFINE_IID(kIImageObserverIID, NS_IIMAGEREQUESTOBSERVER_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIThrobberIID, NS_ITHROBBER_IID);
#define THROB_NUM 14
#define THROBBER_AT "resource:/res/throbber/anims%02d.gif"
@ -50,7 +51,8 @@ static nsVoidArray gThrobbers;
#define INNER_OUTER \
((nsThrobber*)((char*)this - offsetof(nsThrobber, mInner)))
class nsThrobber : public nsIThrobber {
class nsThrobber : public nsIThrobber,
public nsIImageRequestObserver {
public:
nsThrobber(nsISupports* aOuter);
@ -71,6 +73,16 @@ public:
NS_IMETHOD Start();
NS_IMETHOD Stop();
// nsIImageRequestObserver
virtual void Notify(nsIImageRequest *aImageRequest,
nsIImage *aImage,
nsImageNotification aNotificationType,
PRInt32 aParam1, PRInt32 aParam2,
void *aParam3);
virtual void NotifyError(nsIImageRequest *aImageRequest,
nsImageError aErrorType);
void Tick();
virtual ~nsThrobber();
@ -88,6 +100,7 @@ public:
nsIImageGroup* mImageGroup;
nsITimer* mTimer;
PRBool mRunning;
PRUint32 mCompletedImages ;
nsISupports *mOuter;
@ -113,8 +126,13 @@ public:
AddRef();
return NS_OK;
}
if (aIID.Equals(kIImageObserverIID)) {
*aInstancePtr = (void*)(nsIImageRequestObserver*)this;
AddRef();
return NS_OK;
}
if (aIID.Equals(kISupportsIID)) {
*aInstancePtr = (void*)(nsISupports*)this;
*aInstancePtr = (void*)(nsISupports*)(nsIThrobber*)this;
AddRef();
return NS_OK;
}
@ -143,23 +161,6 @@ public:
} mInner;
};
class ThrobObserver : public nsIImageRequestObserver {
public:
ThrobObserver();
~ThrobObserver();
NS_DECL_ISUPPORTS
virtual void Notify(nsIImageRequest *aImageRequest,
nsIImage *aImage,
nsImageNotification aNotificationType,
PRInt32 aParam1, PRInt32 aParam2,
void *aParam3);
virtual void NotifyError(nsIImageRequest *aImageRequest,
nsImageError aErrorType);
};
//----------------------------------------------------------------------
static nsThrobber*
@ -279,6 +280,8 @@ nsThrobber::nsThrobber(nsISupports* aOuter)
else
mOuter = &mInner;
mCompletedImages = 0;
AddThrobber(this);
}
@ -315,7 +318,7 @@ nsThrobber::Init(nsIWidget* aParent, const nsRect& aBounds)
// Create widget
nsresult rv = NSRepository::CreateInstance(kChildCID,
this,
(nsIThrobber *)this,
kISupportsIID,
(void**)&mInnerWidget);
if (NS_OK != rv) {
@ -372,30 +375,20 @@ nsThrobber::Stop()
return NS_OK;
}
//----------------------------------------
ThrobObserver::ThrobObserver()
{
NS_INIT_REFCNT();
}
ThrobObserver::~ThrobObserver()
{
}
NS_IMPL_ISUPPORTS(ThrobObserver, kIImageObserverIID)
void
ThrobObserver::Notify(nsIImageRequest *aImageRequest,
nsThrobber::Notify(nsIImageRequest *aImageRequest,
nsIImage *aImage,
nsImageNotification aNotificationType,
PRInt32 aParam1, PRInt32 aParam2,
void *aParam3)
{
if (aNotificationType == nsImageNotification_kImageComplete)
mCompletedImages++;
}
void
ThrobObserver::NotifyError(nsIImageRequest *aImageRequest,
nsThrobber::NotifyError(nsIImageRequest *aImageRequest,
nsImageError aErrorType)
{
}
@ -415,6 +408,10 @@ nsThrobber::Tick()
if (mIndex >= THROB_NUM)
mIndex = 0;
mWidget->Invalidate(PR_TRUE);
} else if (mCompletedImages == THROB_NUM)
{
mWidget->Invalidate(PR_TRUE);
mCompletedImages = 0;
}
NS_RELEASE(mTimer);
@ -452,10 +449,9 @@ nsThrobber::LoadThrobberImages()
for (PRInt32 cnt = 0; cnt < THROB_NUM; cnt++) {
PR_snprintf(url, sizeof(url), THROBBER_AT, cnt);
ThrobObserver* observer = new ThrobObserver();
nscolor bgcolor = NS_RGB(0, 0, 0);
mImages->InsertElementAt(mImageGroup->GetImage(url,
observer,
(nsIImageRequestObserver *)this,
&bgcolor,
mWidth - 2,
mHeight - 2, 0),