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[1076] Sites can avoid "Plugins on demand" feature

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30. September 2011, 23:22:30

webcm

W górę miecz!

Posts: 231

[1076] Sites can avoid "Plugins on demand" feature

I enabled Plugins only on demand feature in Opera. Unfortunately, it often fails and objects start without my permission.

There are different ways of embedding plugins:

1. Old <object> for IE + <embed> for Mozilla
2. New <object> for all browsers
3. Attached by JavaScript, e.g. SWFObject, document.write, DOM functions...
4. Embedding objects inside frames

Which one fails? I thought it was related to scripts, but I've tested some script-based object embedding methods. Plugins do not start automatically. However, I'm sure this bug occurs when objects are inserted by scripts (probably by DOM manipulations) and/or frames.

1. October 2011, 05:52:04

Moderator

sgunhouse

Volunteer

Posts: 66788

I don't know if it still does, but it used to depend on how the type of object was specified. If the type was specified via a UUID instead of a name, then Opera would load the plugin anyway - even when plugins were completely disabled.

1. October 2011, 13:29:43

Hades32

What I use:

Posts: 1917

Objects that are "invisible" are not blocked. For the simple reason that you wouldn't be able to click on them afterwards. So I guess it would also fail if it was created hidden and then made visible.

AFAIK they are working on a solution for this problem, though...
Using Windows 7 64Bit SP1 and of course Opera
(If nothing else stated the most current weekly) on a nice Dell Studio XPS 16!

1. October 2011, 13:37:28

It's the same in Opera 11.51. So you can use the Opera browser forum to discuss this.
Windows 7 SP1 x86 edition and Windows XP Service Pack 3.
If you need any help from me with regards to Opera, please make a comment on any of my blog posts.
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Forums » Opera for Windows/Mac/Linux » Beta testing (including snapshots and previews)