zotero/chrome/content/zotero/downloadOverlay.js
2016-05-03 17:51:12 -04:00

223 lines
No EOL
7.2 KiB
JavaScript

/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2011 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Zotero is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Zotero. If not, see <http://www.gnu.org/licenses/>.
***** END LICENSE BLOCK *****
*/
var Zotero_DownloadOverlay = new function() {
const PDF_MIME_TYPE = "application/pdf";
const ALLOW_LIST = [
"application/pdf",
"application/postscript",
"application/xhtml+xml",
"text/html",
"text/plain",
/^audio\//,
/^image\//,
/^video\//,
/^application\/vnd\.oasis\.opendocument\./,
/^application\/vnd\.ms-/,
/^application\/vnd\.openxmlformats-officedocument/,
/^application\/vnd\.lotus-/,
/^application\/vnd\.wolfram\./,
"application/vnd.wordperfect",
"application/wordperfect5.1",
"application/msword",
"application/x-latex"
];
/**
* Saves this item, if we are supposed to save it.
*
* @return {Boolean} True if an item was saved, false if we were not supposed to save
*/
this.handleSave = Zotero.Promise.coroutine(function* () {
if(!document.getElementById('zotero-radio').selected) return false;
var retrieveMetadata = document.getElementById('zotero-recognizePDF').selected;
var url = dialog.mLauncher.source.spec;
Zotero.debug("Zotero_DownloadOverlay: Downloading from "+url);
// set up progress window
var win = Components.classes["@mozilla.org/appshell/window-mediator;1"]
.getService(Components.interfaces.nsIWindowMediator)
.getMostRecentWindow("navigator:browser");
var libraryID, collection;
try {
let itemGroup = win.ZoteroPane.getCollectionTreeRow();
if (itemGroup.filesEditable && !itemGroup.isPublications()) {
libraryID = win.ZoteroPane.getSelectedLibraryID();
collection = win.ZoteroPane.getSelectedCollection();
}
// TODO: Just show an error instead?
else {
Zotero.debug("Cannot save files to library " + itemGroup.ref.libraryID
+ " -- saving to My Library instead", 2);
libraryID = Zotero.Libraries.userLibraryID;
}
} catch(e) {
Zotero.debug(e, 1);
};
var recognizePDF = document.getElementById('zotero-recognizePDF').checked
&& !document.getElementById('zotero-recognizePDF').hidden
&& !document.getElementById('zotero-recognizePDF').disabled;
var contentType = dialog.mLauncher.MIMEInfo.MIMEType;
// mimic dialog cancellation
dialog.onCancel();
// show progress dialog
var progressWin = new Zotero.ProgressWindow();
progressWin.changeHeadline(Zotero.getString("save.link"));
progressWin.show();
// perform import
try {
var item = yield Zotero.Attachments.importFromURL({
libraryID,
url,
collections: collection ? [collection.id] : [],
contentType
});
}
catch (e) {
if (!win) return;
progressWin.addDescription(Zotero.getString("save.link.error"));
progressWin.startCloseTimer(8000);
Zotero.logError(e);
return false;
}
if(!win) return;
progressWin.addLines([item.getDisplayTitle()], [item.getImageSrc()]);
progressWin.startCloseTimer();
if (collection) {
yield collection.addItem(item.id);
}
yield win.ZoteroPane.selectItem(item.id);
if(recognizePDF) {
var timer = Components.classes["@mozilla.org/timer;1"]
.createInstance(Components.interfaces.nsITimer);
timer.init(function() {
try {
if (item && item.getFile()) {
timer.cancel();
var recognizer = new win.Zotero_RecognizePDF.ItemRecognizer();
recognizer.recognizeItems([item]);
}
} catch(e) { dump(e.toSource()) };
}, 1000, Components.interfaces.nsITimer.TYPE_REPEATING_SLACK);
}
return true;
});
/**
* Called when mode in dialog has been changed
*/
this.modeChanged = function() {
var zoteroSelected = document.getElementById('zotero-radio').selected;
// don't allow user to remember Zotero option for file type; i'm not sure anyone wants this
// to happen automatically
if(zoteroSelected) document.getElementById('rememberChoice').selected = false;
document.getElementById('rememberChoice').disabled = zoteroSelected;
// disable recognizePDF checkbox as necessary
if(!Zotero.Fulltext.pdfConverterIsRegistered()) {
document.getElementById('zotero-noPDFTools-description').hidden = !zoteroSelected;
document.getElementById('zotero-recognizePDF').disabled = true;
window.sizeToContent();
} else {
document.getElementById('zotero-recognizePDF').disabled = !zoteroSelected;
}
Zotero_DownloadOverlay.updateLibraryNote();
};
/**
* Determines whether the note stating that the item will be saved to "My Library" is shown
*/
this.updateLibraryNote = function() {
var zoteroSelected = document.getElementById('zotero-radio').selected;
var zp = Zotero.getActiveZoteroPane(), canSave = true;
try {
canSave = zp.getCollectionTreeRow().filesEditable;
} catch(e) {
Zotero.logError(e);
};
document.getElementById('zotero-saveToLibrary-description').hidden = !zoteroSelected || canSave;
window.sizeToContent();
}
/**
* Called when the save dialog is opened
*/
this.init = function() {
if(Zotero.isConnector) return;
// Disable for filetypes people probably don't want to save
var show = false;
var mimeType = dialog.mLauncher.MIMEInfo.MIMEType.toLowerCase();
for (let elem of ALLOW_LIST) {
if(typeof elem === "string") {
if(elem === mimeType) {
document.getElementById('zotero-container').hidden = false;
document.getElementById('zotero-radio').disabled = false;
break;
}
} else if(elem.test(mimeType)) {
document.getElementById('zotero-container').hidden = false;
document.getElementById('zotero-radio').disabled = false;
break;
}
}
// Hook in event listener to ondialogaccept
document.documentElement.setAttribute('ondialogaccept',
'Zotero_DownloadOverlay.handleSave().then(function (saved) { if (!saved) {'
+ document.documentElement.getAttribute('ondialogaccept')
+'}})');
// Hook in event listener for mode change
var radios = document.getElementById('mode').
addEventListener("command", Zotero_DownloadOverlay.modeChanged, false);
// Set label on retrieve PDF option
if(mimeType === PDF_MIME_TYPE) {
var recognizePDF = document.getElementById('zotero-recognizePDF');
recognizePDF.label = Zotero.getString("pane.items.menu.recognizePDF");
recognizePDF.hidden = false;
recognizePDF.disabled = true;
if(!Zotero.Fulltext.pdfConverterIsRegistered()) {
recognizePDF.checked = false;
}
}
};
}
window.addEventListener("load", Zotero_DownloadOverlay.init, false);
window.addEventListener("activate", Zotero_DownloadOverlay.updateLibraryNote, false);