70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
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/* -*- 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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/*
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Copyright 2012 Mozilla Foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/* globals chrome, isPdfDownloadable */
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'use strict';
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// The onHeadersReceived event is not generated for local resources.
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// Fortunately, local PDF files will have the .pdf extension, so there's
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// no need to detect the Content-Type
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// Unfortunately, the omnibox won't show the URL.
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// Unfortunately, this method will not work for pages in incognito mode,
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// unless "incognito":"split" is used AND http:/crbug.com/224094 is fixed.
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// Keeping track of incognito tab IDs will become obsolete when
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// "incognito":"split" can be used.
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var incognitoTabIds = [];
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chrome.windows.getAll({ populate: true }, function(windows) {
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windows.forEach(function(win) {
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if (win.incognito) {
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win.tabs.forEach(function(tab) {
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incognitoTabIds.push(tab.id);
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});
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}
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});
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});
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chrome.tabs.onCreated.addListener(function(tab) {
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if (tab.incognito) incognitoTabIds.push(tab.id);
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});
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chrome.tabs.onRemoved.addListener(function(tabId) {
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var index = incognitoTabIds.indexOf(tabId);
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if (index !== -1) incognitoTabIds.splice(index, 1);
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});
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chrome.webRequest.onBeforeRequest.addListener(
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function(details) {
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if (isPdfDownloadable(details)) // Defined in pdfHandler.js
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return;
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if (incognitoTabIds.indexOf(details.tabId) !== -1)
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return; // Doesn't work in incognito mode, so don't redirect.
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var viewerPage = 'content/web/viewer.html';
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var url = chrome.extension.getURL(viewerPage) +
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'?file=' + encodeURIComponent(details.url);
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return { redirectUrl: url };
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},
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{
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urls: [
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'file://*/*.pdf',
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'file://*/*.PDF'
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],
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types: ['main_frame', 'sub_frame']
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},
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['blocking']);
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