Optional aInstancePtr: objectA run time mechanism for interface discovery.
NS_OK if the interface is supported by the associated instance, NS_NOINTERFACE if it is not.
aInstancePtr must not be null.
[in] A requested interface IID
[out] A pointer to an interface pointer to receive the result.
Register an interval with the timer manager. The timer manager periodically checks to see if the interval has expired and if it has calls the specified callback. This is persistent across application restarts and can handle intervals of long durations. The callback will be called soon after the first registration unless you ask to skip it.
An id that identifies the interval, used for persistence
A nsITimerCallback object that is notified when the interval expires
The length of time, in seconds, of the interval
Whether to skip the initial callback on first registration.
Note: to avoid having to instantiate a component to call registerTimer the component can intead register an update-timer category with comma separated values as a single string:
contractID,method,id,preference,interval
via a manifest entry. The values are as follows: contractID : the contract ID for the component. method : the method used to instantiate the interface. This should be either getService or createInstance depending on your component. id : the id that identifies the interval, used for persistence. preference : the preference to for timer interval. This value can be optional by specifying an empty string for the value. interval : the default interval in seconds for the timer.
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An interface describing a global application service that allows long duration (e.g. 1-7 or more days, weeks or months) timers to be registered and then fired.