This page attempts to describe how the Tcl web browser plugin is designed, mostly from the C level and to some extent the Tcl level.
The C lifecycle of a typical single plugin instance: I use NPP_* where the NPAPI has NP_* as that maps to the actual functions in the Tcl browser plugin sources
NPP_Initialize
NPP_New
NPP_SetWindow
NPP_NewStream
NPP_Write
NPP_DestroyStream
NPP_Destroy
NPP_Shutdown
The installation structure of the plugin:
+--- /path/to/browserdir/plugins/
+--- (lib)nptcl<ver>.(so|dll)
+--- nptcl/
+--- tclplugin.(so|dll) # a [stardll], may also use regular Tcl installation
+--- basekit(.exe) # optional, used by default on unix
+--- plugin<ver>
+--- config/
+--- safetcl/
+--- utils/
+--- installed.cfgMozilla Gecko NPAPI reference: [L1 ]
XPInstall documentation for creating XPIs (plugin delivery): [L2 ]
Old Netscape docs for NPAPI: [L3 ]