[Webkit-unassigned] [Bug 48127] [Qt][WK2] Plugin initialization

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48127





--- Comment #46 from Balazs Kelemen <kbalazs at webkit.org>  2011-02-22 15:52:29 PST ---
Let me summarize the problems. For making flash work we need to determine some quirks
even before calling NP_Initialize. At that point we only have the plugin path but don't
know exactly the supported mime types, description, etc., so we just guess that this is
that "wonderful" piece of software. Unfortunately there is no way on linux to query those
information without actually loading and initializing the plugin. After we have initialized
the plugin we can call NP_GetMIMEDescription and NP_GetValue and determine the rest of plugins.

I see two possibility for setting up things correctly:
1. add two X11 specific helper to NetscapePlugin, like determineQuirksByPluginPath and
determineQuirksByQueryingPlugin and call them before and after calling NP_Initialize in
NetscapePlugin::initialize. Also we need a quirk set member (likely WebCore::PluginQuirkSet)
but this seems necessary anyway. Pro: somewhat straightforward. Contra: #ifdef's.
2. determine quirks at the UI side - where we need to load the plugin lib anyway to get the mime
types - by reusing logic from WebCore (PluginPackage) and send them (in the case of X11). 
Pro: less #ifdef. Contra: (even more) different behavior on X11.

So, which one do you like better, or is there a better approach that I don't see?

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