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copied!<p>Its a sandbox thing I guess, your not allowed to execute scripts from the page so i guess plugins count to.<br> That known its just a matter of playing outside the sandbox.... </p> <p><strong>script.js</strong></p> <pre><code>var customEvent = document.createEvent('Event'); customEvent.initEvent('JPlayerNotify', true, true); function notify() { document.getElementById('communicationDIV').innerText='notify'; document.getElementById('communicationDIV').dispatchEvent(customEvent); } // Utitlity function to append some js into the page, so it runs in the context of the page function appendScript(file) { var script = document.createElement('script'); script.setAttribute("type", "application/javascript"); script.setAttribute("src", chrome.extension.getURL(file)); document.head.appendChild(script); } appendScript("JPlayer.js"); // had to wait for a bit for the page to be ready (dialup and all), you wont need to do the setTimeout setTimeout("notify()",3500); </code></pre> <p><strong>JPlayer.js</strong></p> <pre><code>var notify_node = document.createElement('div'); notify_node.id = 'communicationDIV'; document.documentElement.appendChild(notify_node); notify_node.addEventListener('JPlayerNotify', function() { var eventData = notify_node.innerText; if (eventData=='notify'){ $("#jplayer").jPlayer('play', 0); } }); </code></pre> <p><strong>manifest.json</strong></p> <pre><code>{ "name": "JPlayerNotify", "version": "0.5.0", "description": "JPlayerNotify", "content_scripts" : [ { "matches": ["http://chat.stackoverflow.com/rooms/*"], "js" : ["script.js"], "run_at" : "document_idle", "all_frames" : false } ], "permissions": [ "http://stackoverflow.com/*", "https://stackoverflow.com/*", "http://*.stackoverflow.com/*", "https://*.stackoverflow.com/*" ] } </code></pre> <p>You can see some stuff on communicating with the page here... <a href="http://code.google.com/chrome/extensions/content_scripts.html" rel="nofollow">http://code.google.com/chrome/extensions/content_scripts.html</a></p>

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