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Brian_Raila
Brian_Raila
Inspiring
February 16, 2020
Question

Button Action - WAIT a set time interval/delay/idle between two, separate, Multimedia Operations

 

Assume I'm quite adept with Acrobat Pro, knowing Multimedia Operations especially well.

 

Assume that, though I've utilized limited JavaScript successfully, I'm far from expert, there.

 

Objective (upon a singular Button event):

 

Button Properties => Select Trigger => Mouse Up => Select Action => Multimedia Operation [Play 'Clip1'] -- then Add:

 

Button Properties => Select Trigger => Mouse Up => Select Action => Run a JavaScript -- which Opens:

 

     -- JavaScript Editor --

Java code says... [e.g. SetTimeout, or Delay, or Idle, or Whatever.is.Appropriate -- for n milliseconds] // next Action is postponed for n milliseconds, though 'Clip1' continues to play, uninterrupted, as is also the case for all other temporal processes within the document. -- then Add:

 

Button Properties => Select Trigger => Mouse Up => Select Action => Multimedia Operation [Play 'Clip2']

 

End Result Summary:

Button event occurs . Clip1 rolls. After n milliseconds, Clip 2 rolls.

 

 

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2 replies

Brian_Raila
Brian_RailaAuthor
Inspiring
February 17, 2020

 

I'm making progress!

 

It was suggested that, "You can't delay non-JS commands using a script," so, "find a JS command to play the clip," and, "it can be a bit tricky since the RMA has to be activated first."

 

Well, I have done so, though wholly uncertain that I've the best approach.  What I'm doing is, upon a Button Event, Run a JavaScript.  (I'm not finding a means to upload my document as a sample –– speak up, if I can do that), but here is the script:

// on document page 1, activate RMA[0], per (try67)
var rm = this.getAnnotsRichMedia(0)[0];
// Play RMA[0]
if ( rm ) {
if (!rm.activated) rm.activated=true; rm.callAS("multimedia_play");
}
// Wait n milliseconds <== NEED IDLE OPERATION HERE
// on document page 1, activate RMA[1]
// var rm = this.getAnnotsRichMedia(0)[1]; ??
// How to PLAY RMA[1] ??

 

Result:

Hit the button.  Clip1 <RMA[0]> rolls as it should.  This is most encouraging.

 

What remains:

a.)  Need the Idle/Wait/Hold/Delay operation before proceeding to Clip2 <RMA[1]>.

b.). Need to understand how callAS is directed to RMA[1], to initiate its Play.

 

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Brian_Raila
Brian_RailaAuthor
Inspiring
February 19, 2020

 

Almost there!

 

Here is the script:

var aRM = this.getAnnotsRichMedia(0); // var used to ID any Clip on first page (PDF document page# minus 1)
//
var rm = aRM[0]; // get rich media annot for Clip1 [RMA index# minus 1]
//
if ( !rm.activated ) rm.activated=true; // activate the Clip-annot 
rm.callAS("multimedia_play"); // play Clip1
//
// WAIT N MILLISECONDS BEFORE PROCEEDING, THEN ==>
//
var rm = aRM[1]; // get rich media annot for Clip2 [RMA index# minus 1]
//
if ( !rm.activated ) rm.activated=true; // activate the Clip-annot 
rm.callAS("multimedia_play"); // play Clip2

 

Result:

Hit the button.  Clip1–RMA[0] rolls.  Clip2–RMA[1] rolls.

 

All that remains:

Need the Idle/Wait/Hold/Delay/Stall operation before proceeding to Clip2–RMA[1].

 

I have looked into setTimeOut, and taken numerous stabs at it.  I remain stumped.  Suggestions, please?

 

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