65 lines
1.9 KiB
JavaScript
65 lines
1.9 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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'use strict';
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cu = Components.utils;
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const PDF_CONTENT_TYPE = 'application/pdf';
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Cu.import('resource://gre/modules/XPCOMUtils.jsm');
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Cu.import('resource://gre/modules/Services.jsm');
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function log(aMsg) {
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let msg = 'pdfContentHandler.js: ' + (aMsg.join ? aMsg.join('') : aMsg);
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Cc['@mozilla.org/consoleservice;1'].getService(Ci.nsIConsoleService)
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.logStringMessage(msg);
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dump(msg + '\n');
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}
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const NS_ERROR_WONT_HANDLE_CONTENT = 0x805d0001;
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function pdfContentHandler() {
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}
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pdfContentHandler.prototype = {
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handleContent: function handleContent(aMimetype, aContext, aRequest) {
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if (aMimetype != PDF_CONTENT_TYPE)
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throw NS_ERROR_WONT_HANDLE_CONTENT;
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if (!(aRequest instanceof Ci.nsIChannel))
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throw NS_ERROR_WONT_HANDLE_CONTENT;
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let window = null;
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let callbacks = aRequest.notificationCallbacks ||
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aRequest.loadGroup.notificationCallbacks;
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if (!callbacks)
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return;
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window = callbacks.getInterface(Ci.nsIDOMWindow);
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let url = null;
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try {
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url = Services.prefs.getCharPref('extensions.pdf.js.url');
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} catch (e) {
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log('Error retrieving the pdf.js base url - ' + e);
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throw NS_ERROR_WONT_HANDLE_CONTENT;
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}
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let targetUrl = aRequest.URI.spec;
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if (targetUrl.indexOf('?pdfjs.action=download') >= 0)
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throw NS_ERROR_WONT_HANDLE_CONTENT;
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aRequest.cancel(Cr.NS_BINDING_ABORTED);
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window.location = url.replace('%s', targetUrl);
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},
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classID: Components.ID('{2278dfd0-b75c-11e0-8257-1ba3d93c9f1a}'),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentHandler])
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};
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var NSGetFactory = XPCOMUtils.generateNSGetFactory([pdfContentHandler]);
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