ElectronNET.API: Move API code to subfolder

src/ElectronNET.API/API/CommandLine.cs

@@ -0,0 +1,116 @@
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace ElectronNET.API
+{
+    /// <summary>
+    /// Manipulate the command line arguments for your app that Chromium reads.
+    /// </summary>
+    public sealed class CommandLine
+    {
+        internal CommandLine() { }
+
+        internal static CommandLine Instance
+        {
+            get
+            {
+                if (_commandLine == null)
+                {
+                    lock (_syncRoot)
+                    {
+                        if (_commandLine == null)
+                        {
+                            _commandLine = new CommandLine();
+                        }
+                    }
+                }
+
+                return _commandLine;
+            }
+        }
+
+        private static CommandLine _commandLine;
+
+        private static object _syncRoot = new object();
+
+        /// <summary>
+        /// Append a switch (with optional value) to Chromium's command line.
+        /// </summary>
+        /// <param name="the_switch">A command-line switch, without the leading --</param>
+        /// <param name="value">(optional) - A value for the given switch</param>
+        /// <remarks>
+        /// Note: This will not affect process.argv. The intended usage of this function is to control Chromium's behavior.
+        /// </remarks>
+        public void AppendSwitch(string the_switch, string value = "")
+        {
+            BridgeConnector.Socket.Emit("appCommandLineAppendSwitch", the_switch, value);
+        }
+
+        /// <summary>
+        /// Append an argument to Chromium's command line. The argument will be quoted correctly. Switches will precede arguments regardless of appending order.
+        ///
+        /// If you're appending an argument like <code>--switch=value</code>, consider using <code>appendSwitch('switch', 'value')</code> instead.
+        /// </summary>
+        /// <param name="value">The argument to append to the command line</param>
+        /// <remarks>
+        /// Note: This will not affect process.argv. The intended usage of this function is to control Chromium's behavior.
+        /// </remarks>
+        public void AppendArgument(string value)
+        {
+            BridgeConnector.Socket.Emit("appCommandLineAppendArgument", value);
+        }
+
+        /// <summary>
+        /// Whether the command-line switch is present.
+        /// </summary>
+        /// <param name="switchName">A command-line switch</param>
+        /// <param name="cancellationToken"></param>
+        /// <returns>Whether the command-line switch is present.</returns>
+        public async Task<bool> HasSwitchAsync(string switchName, CancellationToken cancellationToken = default(CancellationToken)) 
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            var taskCompletionSource = new TaskCompletionSource<bool>();
+            using (cancellationToken.Register(() => taskCompletionSource.TrySetCanceled()))
+            {
+                BridgeConnector.Socket.On("appCommandLineHasSwitchCompleted", (result) =>
+                {
+                    BridgeConnector.Socket.Off("appCommandLineHasSwitchCompleted");
+                    taskCompletionSource.SetResult((bool)result);
+                });
+
+                BridgeConnector.Socket.Emit("appCommandLineHasSwitch", switchName);
+
+                return await taskCompletionSource.Task.ConfigureAwait(false);
+            }
+        }
+
+        /// <summary>
+        /// The command-line switch value.
+        /// </summary>
+        /// <param name="switchName">A command-line switch</param>
+        /// <param name="cancellationToken"></param>
+        /// <returns>The command-line switch value.</returns>
+        /// <remarks>
+        /// Note: When the switch is not present or has no value, it returns empty string.
+        /// </remarks>
+        public async Task<string> GetSwitchValueAsync(string switchName, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            var taskCompletionSource = new TaskCompletionSource<string>();
+            using (cancellationToken.Register(() => taskCompletionSource.TrySetCanceled()))
+            {
+                BridgeConnector.Socket.On("appCommandLineGetSwitchValueCompleted", (result) =>
+                {
+                    BridgeConnector.Socket.Off("appCommandLineGetSwitchValueCompleted");
+                    taskCompletionSource.SetResult((string)result);
+                });
+
+                BridgeConnector.Socket.Emit("appCommandLineGetSwitchValue", switchName);
+
+                return await taskCompletionSource.Task.ConfigureAwait(false);
+            }
+        }
+    }
+}