使用NSWorkspace在应用之间打开URL时如何发送和接收NSAppleEventDescriptor? [英] How to send and receive NSAppleEventDescriptor when using NSWorkspace to open URLs between apps?
问题描述
NSWorkspace具有方法open(_:withAppBundleIdentifier: [...] ):
NSWorkspace has the method open(_:withAppBundleIdentifier: [...] ):
从一组URL中打开一个或多个文件.
Opens one or more files from an array of URLs.
func open(_ urls: [URL],
withAppBundleIdentifier bundleIdentifier: String?,
options: NSWorkspace.LaunchOptions = [],
additionalEventParamDescriptor descriptor: NSAppleEventDescriptor?,
launchIdentifiers identifiers:) -> Bool
您要打开的应用程序的NSApplicationDelegate 具有调用相应的方法以打开您提供的URL:
The NSApplicationDelegate of the app you want to open has corresponding methods that are called to open the URL(s) you provide:
func application(_ sender: NSApplication, openFile filename: String) -> Bool
func application(_ sender: NSApplication, openFiles filenames: [String])
回到open(_:withAppBundleIdentifier: [...])，该方法具有NSAppleEventDescriptor参数:
Back to open(_:withAppBundleIdentifier: [...]), that method has an NSAppleEventDescriptor parameter:
additionalEventParamDescriptor descriptor: NSAppleEventDescriptor?
AppleEvent样式的描述符中指定的其他选项.例如，您可以使用此参数指定启动应用程序时要打开的其他文档.
additionalEventParamDescriptor descriptor: NSAppleEventDescriptor?
Additional options specified in an AppleEvent-style descriptor. For example, you could use this parameter to specify additional documents to open when the app is launched.
我想向打开文件的应用发送其他信息.
这将与通知中的userInfo词典类似地使用.
I would like to send additional information to the app that will open the files.
This would be used similarly to the userInfo dictionary on a notification.
我已经构造了一个NSAppleEventDescriptor对象来表示此信息.我可以在NSWorkspace open( ... )函数中设置此事件描述符.
I've constructed a NSAppleEventDescriptor object to represent this information. I can set this event descriptor in the NSWorkspace open( ... ) function.
但是如何在目标应用程序的应用程序委托中接收该事件描述符?
But how do I receive this event descriptor in Application Delegate of the target app?
application(_: openFile:)函数没有用于事件描述符的参数或任何其他"userInfo"类型的附加信息.
The application(_: openFile:) functions have no parameters for the event descriptors or any other "userInfo"-type additional information.
基于答案和其他问题，我决定采用以下解决方案.我现在正在获得Apple Events的触发处理程序.但是我在NSWorkspace函数上设置的Apple Event不是在处理程序中收到的Apple Event！如何获取我的 Apple Event?
Based on answers and other questions, I settled on the solution below. I am now getting a triggered handler for Apple Events. But the Apple Event that I am setting on the NSWorkspace function is not the one that is received in the handler! How do I get my Apple Event instead?
let appleEvent = NSAppleEventDescriptor(eventClass: AEEventClass(kCoreEventClass),
eventID: AEEventID(kAEOpenDocuments),
targetDescriptor: nil,
returnID: AEReturnID(kAutoGenerateReturnID),
transactionID: AETransactionID(kAnyTransactionID))
appleEvent.setDescriptor(NSAppleEventDescriptor(string: "THIS IS A TEST"), forKeyword: keyDirectObject)
let didOpen = AppKit.NSWorkspace.shared.open([URL(fileURLWithPath: "/path/image.png")],
withAppBundleIdentifier: bundleID,
options: [.withErrorPresentation],
additionalEventParamDescriptor: appleEvent,
launchIdentifiers: nil)
已发送Apple事件:
<NSAppleEventDescriptor: 'aevt'\'odoc'{ '----':'utxt'("THIS IS A TEST") }>
接收
class AppDelegate: NSObject, NSApplicationDelegate {
func applicationDidFinishLaunching(_ aNotification: Notification) {
NSAppleEventManager.shared().setEventHandler(self,
andSelector: #selector(handle(event:replyEvent:)),
forEventClass: AEEventClass(kCoreEventClass),
andEventID: AEEventID(kAEOpenDocuments))
}
@objc func handle(event: NSAppleEventDescriptor?, replyEvent: NSAppleEventDescriptor?) {
guard let event = event,
event.eventClass == AEEventClass(kCoreEventClass) && event.eventID == AEEventID(kAEOpenDocuments) else {
return
}
guard let additionalEventParamDescriptor = event.paramDescriptor(forKeyword: keyAEPropData) else {
return
}
guard let directObject = additionalEventParamDescriptor.paramDescriptor(forKeyword: keyDirectObject) else {
return
}
print(directObject)
}
}
收到Apple事件:
<NSAppleEventDescriptor: 'aevt'\'odoc'{ '----':[ 'bmrk'(888/$626F6F6B7803000000000 [....] 00000AC01000000000000...$) ] }>
推荐答案
kAEOpenDocuments事件方法
- (void)applicationWillFinishLaunching:(NSNotification *)notification {
[[NSAppleEventManager sharedAppleEventManager] setEventHandler:self andSelector:@selector(handleAppleEvent:withReplyEvent:) forEventClass:kCoreEventClass andEventID:kAEOpenDocuments];
}
- (void)handleAppleEvent:(NSAppleEventDescriptor *)event withReplyEvent:(NSAppleEventDescriptor *)replyEvent {
}
-[NSWorkspace openURLs: ...]生成一个kAEOpenDocuments事件，该事件包含作为沙箱保存书签数据的URL. (请参见+[NSURL URLByResolvingBookmarkData: options: relativeToURL: bookmarkDataIsStale: error:]).
-[NSWorkspace openURLs: ...] generates an kAEOpenDocuments event that contains the URLs as sandbox save bookmark data. (See +[NSURL URLByResolvingBookmarkData: options: relativeToURL: bookmarkDataIsStale: error:]).
additionalEventParamDescriptor :
使用带有自定义参数的kAEOpenDocuments创建 additionalEventParamDescriptor 时，此事件似乎与-[NSWorkspace openURLs: ...]中的基础kAEOpenDocuments事件合并.
When creating the additionalEventParamDescriptor with kAEOpenDocuments with a custom parameters, this event seems to get merged with the underlaying kAEOpenDocuments event from -[NSWorkspace openURLs: ...].
NSAppleEventDescriptor *targetDescriptor = nil;
NSAppleEventDescriptor *appleEvent = nil;
targetDescriptor = [NSAppleEventDescriptor descriptorWithDescriptorType:typeApplicationBundleID
data:targetBundleID];
appleEvent = [NSAppleEventDescriptor appleEventWithEventClass:kCoreEventClass
eventID:kAEOpenDocuments
targetDescriptor:targetDescriptor
returnID:kAutoGenerateReturnID
transactionID:kAnyTransactionID];
[appleEvent setParamDescriptor:[NSAppleEventDescriptor descriptorWithString:@"You're so good looking"]
forKeyword:'urln'];
[[NSWorkspace sharedWorkspace] openURLs:@[ [[NSBundle mainBundle] resourceURL] ]
withAppBundleIdentifier:bundleIdentifier
options:NSWorkspaceLaunchNewInstance
additionalEventParamDescriptor:appleEvent
launchIdentifiers:NULL];
样本lldb输出:
NSAppleEventDescriptor:'aevt'\'odoc'{〜'prdt':'aevt'\'odoc'{ 'urln':'utxt'("你长得真好")}，'----':[ 'bmrk'(1432/$ 626F6F6B980 ...)}
NSAppleEventDescriptor: 'aevt'\'odoc'{ ~'prdt':'aevt'\'odoc'{ 'urln':'utxt'("You're so good looking") }, '----':[ 'bmrk'(1432/$626F6F6B980 ...) }
注意:在为 kAEOpenDocuments 设置 NSAppleEventManager 时，这将覆盖application:openFile:或application:openFiles:方法的AppKit内置功能.自定义事件处理程序需要实现所有这些功能.
Note: When setting the NSAppleEventManager for kAEOpenDocuments this overwrites AppKits build-in functionality of the application:openFile: or application:openFiles: methods. The custom event handler needs to implement all that.
根据我的发现，发送具有自定义事件ID的自定义事件类不会不触发事件处理程序. ¯_(ツ)_/¯
Based on my findings sending a custom event class with a custom event ID does not trigger the event handler. ¯_(ツ)_/¯
这篇关于使用NSWorkspace在应用之间打开URL时如何发送和接收NSAppleEventDescriptor?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
