mirror of
https://github.com/pierre42100/comunic
synced 2024-11-17 02:51:13 +00:00
96 lines
2.9 KiB
JavaScript
96 lines
2.9 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 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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