我用谷歌搜索并阅读了文档。在 SO 上搜索,找到了建议使用 Applescript 的答案,但由于沙箱,我无法使用 Applescript。
我正在开发 Cocoa 应用程序(用 Objective-C 和沙盒编写)。我正在从 Apple Mail 应用程序实现拖放。应用程序应该像 Finder 一样接收或复制 eml 邮件消息。
我试着看,NSPromisedFilesPboardType
但几乎无法弄清楚我应该如何使用它。我在方法中尝试了这样的代码- (BOOL)acceptDrop:(id<NSDraggingInfo>)info
:
if ([info.draggingPasteboard.types containsObject:@"MV Super-secret message transfer pasteboard type"]) {
NSURL *tempFolder = [FM createTempFolderInFolder:AppDataDir()];
NSArray *filenames = [info namesOfPromisedFilesDroppedAtDestination:tempFolder];
// tempFolder is filepath of generated temp folder in appdata directory so it is accessible for sandboxed app
// filenames becomes nil
return YES;
}
当我尝试遍历粘贴板中的所有类型时,我看到的是:
Dropped types are:
Type: dyn.ah62d4rv4gu8y4zvanr41a3pwfz30n25wqz4ca5pfsr30c35feb4he2pssrxgn6vasbu1g7dfqm10c6xeeb4hw6df (null)
Type: MV Super-secret message transfer pasteboard type (null)
Type: dyn.ah62d4rv4gu8zg7puqz3c465fqr3gn7bakf41k55rqf4g86vasbu1g7dfqm10c6xeeb4hw6df (
{
account = Gmail;
id = 6622;
mailbox = INBOX;
subject = "got SUV?";
}
)
Type: Super-secret Automator pasteboard type (
{
account = Gmail;
id = 6622;
mailbox = INBOX;
subject = "got SUV?";
}
)
Type: dyn.ah62d4rv4gu8yc6durvwwa3xmrvw1gkdusm1044pxqyuha2pxsvw0e55bsmwca7d3sbwu (
eml
)
Type: Apple files promise pasteboard type (
eml
)
Type: public.url (null)
Type: CorePasteboardFlavorType 0x75726C20 (null)
Type: dyn.ah62d4rv4gu8yc6durvwwaznwmuuha2pxsvw0e55bsmwca7d3sbwu (
"message:%3C1a392cb9-b78c-402d-8d7f-dbd1d4a9ec42@Neptune.do.losaltos.k12.ca.us%3E",
""
)
Type: Apple URL pasteboard type (
"message:%3C1a392cb9-b78c-402d-8d7f-dbd1d4a9ec42@Neptune.do.losaltos.k12.ca.us%3E",
""
)
Type: public.url-name (null)
Type: CorePasteboardFlavorType 0x75726C6E (null)
Type: com.apple.pasteboard.promised-file-content-type com.apple.mail.email
Type: com.apple.pasteboard.promised-file-url (null)
Type: dyn.ah62d4rv4gu8y6y4usm1044pxqzb085xyqz1hk64uqm10c6xenv61a3k (null)
Type: NSPromiseContentsPboardType (null)
任何人都可以帮助我吗?