Constructor
new Progress(handler)
Parameters:
| Name | Type | Description | 
|---|---|---|
| handler | callbackHandler.<T> | a callback to be invoked for every progress reported. If not provided, you may subscribe to the events of this class or use the provided Observable. | 
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Members
last :T
Type:
- T
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observable :Observable.<T>
    Returns an Rx.Observable that will emit events whenever they
are reported to its subscribers.
    Type:
- Observable.<T>
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Methods
reportProgress(progress) → {Progress}
    Report the current progress, which is then broadcast to all listeners
and passed to this handler.
    Parameters:
| Name | Type | Description | 
|---|---|---|
| progress | T | the item that represents the progress | 
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Returns:
    this
- Type
- Progress