Note: Both Firefox and Chrome will default most plugins to click-to-play soon, with Chrome planning to phase out NPAPI entirely. NPAPI for new projects is discouraged at this point. NPAPI plugins shouldn’t be browser specific (at least as far as possible). Seamonkeys npruntime sample can be considered a basic Hello World for NPAPI. If you … Read more
Non-html content apart from images needs to be retrieved using an object, embed or iframe tag iframe: <iframe src=”https://stackoverflow.com/questions/5565759/somepage.pdf”></iframe> object/embed: <object src=”https://stackoverflow.com/questions/5565759/somepage.pdf”><embed src=”https://stackoverflow.com/questions/5565759/somepage.pdf”></embed></object> somepage.pdf could be somepage.jsp?filename=somepage&mimetype=application/pdf Here is an interesting link How to Embed Microsoft Office or PDF Documents in Web Pages and here is a stackoverflow search
Your content script is in a different context/scope from that of page scripts (scripts that already exist in the webpage). Your content script has higher privileges than are granted to page scripts. Keeping content scripts separate from page scripts is a normal architecture for browser extensions, which is done for security reasons. Because your content … Read more
As others point out, plugins for those browser are written using the NPAPI. Note: Both Firefox and Chrome will default most plugins to click-to-play soon, with Chrome planning to phase out NPAPI entirely. NPAPI for new projects is discouraged at this point. Resources for getting started with NPAPI: MDC plugin section three part NPAPI tutorial … Read more