Firefox addon - how to listen to a text highlight event in a webpage

Question

I am writing an addon which needs to do capture the no of times someone has highlighted any text on a webpage. Is there any way I can listen to this event?

Thanks, Kapil

score 4 · Accepted Answer · answered Jan 06 '11 at 20:13

4

There is not a particular event for this. But you can listen to the mouseup event and check whether the selection returned by window.getSelection() is not empty and/or whether it differs from the previous selection.

answered Jan 06 '11 at 20:13

Felix Kling

795,719
175
1,089
1,143

Thanks Felix! will try this out – Kapil Jan 07 '11 at 07:38
2

The selection can of course be modified with the keyboard as well as the mouse. – Neil Jan 10 '11 at 20:55

score 2 · Answer 2 · answered Jan 10 '11 at 20:54

2

You could add a selection listener. The Source window (viewSource.js) does this so that it can keep the row and column number up-to-date.

answered Jan 10 '11 at 20:54

Neil

54,642
8
60
72

Hi neil can you please elaborate on this. – Noitidart Mar 06 '14 at 06:06
For others interested see this topic here I will post solution here: http://stackoverflow.com/questions/22216324/observe-for-highlight – Noitidart Mar 06 '14 at 08:03

Firefox addon - how to listen to a text highlight event in a webpage

2 Answers2

Linked