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How to detect if a plugin is waiting for permission?

  • 6 válasz
  • 1 embernek van ilyen problémája
  • 2 megtekintés
  • Utolsó üzenet ettől: szanto.cosmin

szanto.cosmin
szanto.cosmin
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I have a instance of a NPAPI plugin which is created using the embed element. I need to call some of the functions of the plugin when the page is loaded (<body> onload function) but all the calls fail since the user needs to first allow the plugin to load. When do I know that the user has allowed the plugin to be loaded? Is there a callback which notifies that a plugin can be used?

I have a instance of a NPAPI plugin which is created using the embed element. I need to call some of the functions of the plugin when the page is loaded (<body> onload function) but all the calls fail since the user needs to first allow the plugin to load. When do I know that the user has allowed the plugin to be loaded? Is there a callback which notifies that a plugin can be used?

Összes válasz (6)

FredMcD
FredMcD
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With the last Firefox upgrade, some plugins are no longer enabled until you enable it.

Open the Add-ons Manager. Press the <Alt> or <F10> key to bring up the tool bar. Followed by;

Windows; Tools Linux; Edit Mac; application name

Then Add-ons.

Hot key; <Control> (Mac: <Command>) <Shift> A)

On the left side of the page, select Plugins.

BTW; At the top right is a link to check your plugins.

the-edmeister
the-edmeister
  • Moderator
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Mozilla is changing the Plugin API and will be eliminating plugin support in the future.Plugins are now considered a "legacy technology".

https://developer.mozilla.org/en-US/Add-ons/Plugins https://developer.mozilla.org/en-US/Add-ons/Plugins/Gecko_Plugin_API_Reference

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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See:

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
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The advice in that article about making the plugin visible is really important — and a backwards compatibility problem with sites that show a JPEG preview in front of the Flash player that gets cleared one the video loads. Sometimes the only way I realize the problem of video never playing is if I use

View > Page Style > No Style

since that turns off the style rules that overlap the two elements. Hmm...

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
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Hi szanto.cosmin, I think you will need to test for the method before trying to invoke it. You may want to display a message to the user if it isn't available, or use window.setTimeout() to monitor for when the plugin is available.

szanto.cosmin
szanto.cosmin Kérdés tulajdonosa
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@cor-el I'm trying to set a script callback to determine when a plugin is activated, but the callback is never called. Here's a simple example in which I reproduced my case. 

<!DOCTYPE HTML>
<html>
  <head>
    <title>Test</title>
  </head>
  <script type="text/javascript">
    function pluginCreated() {
      alert("Plugin created");
    }
  </script>
  <body>
    <object id="client" type="application/x-test">
      <param name="callback" value="pluginCreated()">
    </object>
  </body>
</html>

Módosította: cor-el,