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EDataCapture is a GConverter that captures data until the end of the input data is seen, then emits an “finished” signal with the captured data in a GBytes instance.
When used with GConverterInputStream or GConverterOutputStream, an EDataCapture can discreetly capture the stream content for the purpose of caching.
EDataCapture *
e_data_capture_new (GMainContext *main_context);
Creates a new EDataCapture.  If main_context
 is NULL, then the
“finished” signal will be emitted from the thread-default
GMainContext for this thread.
GMainContext *
e_data_capture_ref_main_context (EDataCapture *data_capture);
Returns the GMainContext from which the “finished” signal is emitted.
The returned GMainContext is referenced for thread-safety and must be
unreferenced with g_main_context_unref() when finished with it.
“main-context” property  “main-context”             GMainContext *
The GMainContext from which to emit the “finished” signal.
Owner: EDataCapture
Flags: Read / Write / Construct Only
“finished” signalvoid user_function (EDataCapture *data_capture, GBytes *data, gpointer user_data)
The ::finished signal is emitted when there is no more input data to be captured.
| data_capture | the EDataCapture that received the signal | |
| data | the captured data | |
| user_data | user data set when the signal handler was connected. | 
Flags: Run First