95 lines
2.9 KiB
95 lines
2.9 KiB
/* -*- 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 2014 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, getViewerURL */ |
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(function() { |
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'use strict'; |
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if (!chrome.fileBrowserHandler) { |
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// Not on Chromium OS, bail out |
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return; |
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} |
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chrome.fileBrowserHandler.onExecute.addListener(onExecuteFileBrowserHandler); |
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/** |
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* Invoked when "Open with PDF Viewer" is chosen in the File browser. |
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* |
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* @param {String} id File browser action ID as specified in |
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* manifest.json |
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* @param {Object} details Object of type FileHandlerExecuteEventDetails |
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*/ |
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function onExecuteFileBrowserHandler(id, details) { |
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if (id !== 'open-as-pdf') { |
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return; |
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} |
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var fileEntries = details.entries; |
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// "tab_id" is the currently documented format, but it is inconsistent with |
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// the other Chrome APIs that use "tabId" (http://crbug.com/179767) |
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var tabId = details.tab_id || details.tabId; |
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if (tabId > 0) { |
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chrome.tabs.get(tabId, function(tab) { |
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openViewer(tab && tab.windowId, fileEntries); |
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}); |
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} else { |
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// Re-use existing window, if available. |
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chrome.windows.getLastFocused(function(chromeWindow) { |
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var windowId = chromeWindow && chromeWindow.id; |
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if (windowId) { |
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chrome.windows.update(windowId, { focused: true }); |
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} |
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openViewer(windowId, fileEntries); |
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}); |
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} |
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} |
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/** |
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* Open the PDF Viewer for the given list of PDF files. |
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* |
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* @param {number} windowId |
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* @param {Array} fileEntries List of Entry objects (HTML5 FileSystem API) |
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*/ |
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function openViewer(windowId, fileEntries) { |
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if (!fileEntries.length) { |
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return; |
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} |
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var fileEntry = fileEntries.shift(); |
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var url = fileEntry.toURL(); |
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// Use drive: alias to get shorter (more human-readable) URLs. |
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url = url.replace(/^filesystem:chrome-extension:\/\/[a-p]{32}\/external\//, |
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'drive:'); |
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url = getViewerURL(url); |
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if (windowId) { |
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chrome.tabs.create({ |
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windowId: windowId, |
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active: true, |
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url: url |
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}, function() { |
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openViewer(windowId, fileEntries); |
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}); |
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} else { |
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chrome.windows.create({ |
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type: 'normal', |
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focused: true, |
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url: url |
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}, function(chromeWindow) { |
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openViewer(chromeWindow.id, fileEntries); |
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}); |
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} |
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} |
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})();
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