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From "Hudson (JIRA)" <>
Subject [jira] [Commented] (CHUKWA-738) Dragging widget over iframe cause mouse event to hang
Date Fri, 29 May 2015 21:00:20 GMT


Hudson commented on CHUKWA-738:

FAILURE: Integrated in Chukwa-trunk #527 (See [])
CHUKWA-738. Updated dragging event handling over iframe.  (Eric Yang) (eyang:
* /chukwa/trunk/CHANGES.txt
* /chukwa/trunk/src/main/web/hicc/js/workspace/workspace.js

> Dragging widget over iframe cause mouse event to hang
> -----------------------------------------------------
>                 Key: CHUKWA-738
>                 URL:
>             Project: Chukwa
>          Issue Type: Improvement
>          Components: User Interface
>    Affects Versions: 0.3.0, 0.4.0, 0.5.0, 0.6.0, 0.7.0
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>         Attachments: CHUKWA-738.patch
> Both Webkit and Firefox based browser are honoring mouse events inside iframe.  However,
if a widget is in a dragging event, and mouse cursor pass through another iframe.  Mouse event
get captured by the background iframe and cause the dragging widget to stall.  One trick was
to overlay an invisible DIV with higher zIndex to prevent the background iframe from capturing
mouse dragging event of the transitioning widget.  This was implemented several years back
for firefox only, but it looks like the same trick needs to apply to all modern day browser.
 This JIRA is to remove the firefox specific check and always overlay the invisible iframe
when mouse is dragging over another iframe.

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