PRBool
nsAutoWindowStateHelper::DispatchCustomEvent(const char *aEventName)
{
if (!mWindow) {
return PR_TRUE;
}
#ifdef DEBUG
{
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(mWindow));
NS_ASSERTION(window->GetExtantDocument() != nsnull,
"nsPrompt used too early on window object!");
}
#endif
nsCOMPtr<nsIDOMDocument> domdoc;
mWindow->GetDocument(getter_AddRefs(domdoc));
nsCOMPtr<nsIDOMDocumentEvent> docevent(do_QueryInterface(domdoc));
nsCOMPtr<nsIDOMEvent> event;
PRBool defaultActionEnabled = PR_TRUE;
if (docevent) {
docevent->CreateEvent(NS_LITERAL_STRING("Events"), getter_AddRefs(event));
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(event));
if (privateEvent) {
event->InitEvent(NS_ConvertASCIItoUTF16(aEventName), PR_TRUE, PR_TRUE);
privateEvent->SetTrusted(PR_TRUE);
nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(mWindow));
target->DispatchEvent(event, &defaultActionEnabled);
}
}
return defaultActionEnabled;
}
NS_IMETHODIMP
nsAccelerometer::AccelerationChanged(double alpha, double beta, double gamma)
{
if (!mEnabled)
return NS_ERROR_NOT_INITIALIZED;
if (alpha > 360)
alpha = 360;
if (alpha < 0)
alpha = 0;
if (beta > 180)
beta = 180;
if (beta < -180)
beta = -180;
if (gamma > 90)
gamma = 90;
if (gamma < -90)
gamma = -90;
if (!mNewListener) {
if (PR_ABS(mLastAlpha - alpha) < 1 &&
PR_ABS(mLastBeta - beta) < 1 &&
PR_ABS(mLastGamma - gamma) < 1)
return NS_OK;
}
mLastAlpha = alpha;
mLastBeta = beta;
mLastGamma = gamma;
mNewListener = PR_FALSE;
for (PRUint32 i = mListeners.Count(); i > 0 ; ) {
--i;
nsRefPtr<nsIAcceleration> a = new nsAcceleration(alpha, beta, gamma);
mListeners[i]->OnAccelerationChange(a);
}
for (PRUint32 i = mWindowListeners.Count(); i > 0 ; ) {
--i;
nsCOMPtr<nsIDOMDocument> domdoc;
mWindowListeners[i]->GetDocument(getter_AddRefs(domdoc));
nsCOMPtr<nsIDOMDocumentEvent> docevent(do_QueryInterface(domdoc));
nsCOMPtr<nsIDOMEvent> event;
PRBool defaultActionEnabled = PR_TRUE;
if (docevent) {
docevent->CreateEvent(NS_LITERAL_STRING("DeviceOrientationEvent"), getter_AddRefs(event));
nsCOMPtr<nsIDOMDeviceOrientationEvent> oe = do_QueryInterface(event);
if (event) {
oe->InitDeviceOrientationEvent(NS_LITERAL_STRING("deviceorientation"),
PR_TRUE,
PR_FALSE,
alpha,
beta,
gamma,
PR_TRUE);
nsCOMPtr<nsIPrivateDOMEvent> privateEvent = do_QueryInterface(event);
if (privateEvent)
privateEvent->SetTrusted(PR_TRUE);
nsCOMPtr<nsIDOMEventTarget> target = do_QueryInterface(mWindowListeners[i]);
target->DispatchEvent(event, &defaultActionEnabled);
}
}
}
return NS_OK;
}
