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Fix attachment handling during translation

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Synchronously determine whether attachment saving should be attempted and only
start attachment progress if it can
This commit is contained in:
Dan Stillman 2016-12-18 09:05:59 -05:00
parent d19d90a33c
commit 8c2c097c6b
1 changed files with 41 additions and 28 deletions
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69
chrome/content/zotero/xpcom/translation/translate_item.js
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@ -93,8 +93,10 @@ Zotero.Translate.ItemSaver.prototype = {
}
// Handle standalone attachments differently
else if (type == "attachment") {
standaloneAttachments.push(items[iitem]);
attachmentCallback(items[iitem], 0);
if (this._canSaveAttachment(item)) {
standaloneAttachments.push(item);
attachmentCallback(item, 0);
}
continue;
} else {
newItem = new Zotero.Item(type);
@ -135,8 +137,10 @@ Zotero.Translate.ItemSaver.prototype = {
// handle attachments
if (specialFields.attachments) {
for (let attachment of specialFields.attachments) {
if (this._canSaveAttachment(attachment)) {
attachmentCallback(attachment, 0);
}
childAttachments.push([attachment, myID]);
attachmentCallback(attachment, 0);
}
// Restore the attachments field, since we use it later in
// translation
@ -157,15 +161,15 @@ Zotero.Translate.ItemSaver.prototype = {
let newItem = yield this._saveAttachment(item, null, attachmentCallback);
if (newItem) newItems.push(newItem);
}
// Save attachments afterwards, since we want to signal completion as soon as the main items
// are saved
// Save child attachments afterwards, since we want to signal completion as soon as the main
// items are saved
var promise = Zotero.Promise.delay(1);
for (let a of childAttachments) {
// Workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=449811 (fixed in Fx51?)
let [item, parentItemID] = a;
promise = promise.then(() => this._saveAttachment(item, parentItemID, attachmentCallback));
}
return newItems;
}),
@ -235,6 +239,37 @@ Zotero.Translate.ItemSaver.prototype = {
return item;
},
_canSaveAttachment: function (attachment) {
if (this.attachmentMode == Zotero.Translate.ItemSaver.ATTACHMENT_MODE_DOWNLOAD) {
if (!attachment.url && !attachment.document) {
Zotero.debug("Translate: Not adding attachment: no URL specified");
return false;
}
if (attachment.snapshot !== false) {
if (attachment.document || Zotero.MIME.isWebPageType(attachment.mimeType)) {
if (!Zotero.Prefs.get("automaticSnapshots")) {
Zotero.debug("Translate: Not adding attachment: automatic snapshots are disabled");
return false;
}
}
else {
if (!Zotero.Prefs.get("downloadAssociatedFiles")) {
Zotero.debug("Translate: Not adding attachment: automatic file attachments are disabled");
return false;
}
}
}
return true;
}
else if (this.attachmentMode == Zotero.Translate.ItemSaver.ATTACHMENT_MODE_FILE) {
return true;
}
Zotero.debug('Translate: Ignoring attachment due to ATTACHMENT_MODE_IGNORE');
return false;
},
/**
* Saves a translator attachment to the database
*
@ -258,8 +293,6 @@ Zotero.Translate.ItemSaver.prototype = {
newAttachment = yield this._saveAttachmentFile.apply(this, arguments);
} else {
Zotero.debug('Translate: Ignoring attachment due to ATTACHMENT_MODE_IGNORE');
attachmentCallback(attachment, false);
return false;
}
if (!newAttachment) return false; // attachmentCallback should not have been called in this case
@ -503,26 +536,6 @@ Zotero.Translate.ItemSaver.prototype = {
_saveAttachmentDownload: Zotero.Promise.coroutine(function* (attachment, parentItemID, attachmentCallback) {
Zotero.debug("Translate: Adding attachment", 4);
if(!attachment.url && !attachment.document) {
Zotero.debug("Translate: Not adding attachment: no URL specified");
return false;
}
// Determine whether to save an attachment
if(attachment.snapshot !== false) {
if(attachment.document || Zotero.MIME.isWebPageType(attachment.mimeType)) {
if(!Zotero.Prefs.get("automaticSnapshots")) {
Zotero.debug("Translate: Not adding attachment: automatic snapshots are disabled");
return false;
}
} else {
if(!Zotero.Prefs.get("downloadAssociatedFiles")) {
Zotero.debug("Translate: Not adding attachment: automatic file attachments are disabled");
return false;
}
}
}
let doc = undefined;
if(attachment.document) {
doc = new XPCNativeWrapper(Zotero.Translate.DOMWrapper.unwrap(attachment.document));