examples/tv-casting-app/darwin/TvCasting/TvCasting/ContentLauncherViewModel.swift

/**
 *
 *    Copyright (c) 2020-2022 Project CHIP Authors
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */


import Foundation
import os.log

class ContentLauncherViewModel: ObservableObject {
    let Log = Logger(subsystem: "com.matter.casting",
                     category: "ContentLauncherViewModel")
    
    @Published var status: String?;
    
    func launchUrl(contentUrl: String?, contentDisplayStr: String?)
    {
        if ((contentUrl != nil && !contentUrl!.isEmpty) && (contentDisplayStr != nil && !contentDisplayStr!.isEmpty))
        {
            if let castingServerBridge = CastingServerBridge.getSharedInstance()
            {
                castingServerBridge
                    .contentLauncher_launchUrl(contentUrl!,
                                              contentDisplayStr: contentDisplayStr!,
                                              responseCallback:
                                                { (result: Bool) -> () in
                        self.Log.info("ContentLauncherViewModel.launchUrl.launchUrlResponseCallback result \(result)")
                        DispatchQueue.main.async {
                            self.status = result ? "Launched URL successfully" : "Launch URL failure!"
                        }
                    },
                                              clientQueue: DispatchQueue.main,
                                              requestSentHandler:
                                                { (result: Bool) -> () in
                        self.Log.info("ContentLauncherViewModel.launchUrl.launcUrlRequestSentHandler result \(result)")
                        self.status = result ? "Sent Launch URL request" : "Failed to send Launch URL request!"
                    })
            }
        }
        else
        {
            Log.debug("ContentLauncherViewModel.launchUrl input(s) missing!")
            self.status = "Missing input parameter(s)!"
        }
    }
}