Rename Closed to Disconnected (#797)

lib/PuppeteerSharp/Browser.cs

@@ -65,7 +65,7 @@ public class Browser : IDisposable
             _contexts = contextIds.ToDictionary(keySelector: contextId => contextId,
                 elementSelector: contextId => new BrowserContext(Connection, this, contextId));
 
-            Connection.Closed += (object sender, EventArgs e) => Disconnected?.Invoke(this, new EventArgs());
+            Connection.Disconnected += (object sender, EventArgs e) => Disconnected?.Invoke(this, new EventArgs());
             Connection.MessageReceived += Connect_MessageReceived;
 
             _chromiumProcess = chromiumProcess;

lib/PuppeteerSharp/CDPSession.cs

@@ -87,7 +87,7 @@ internal CDPSession(IConnection connection, TargetType targetType, string sessio
         /// <summary>
         /// Occurs when the connection is closed.
         /// </summary>
-        public event EventHandler Closed;
+        public event EventHandler Disconnected;
         /// <summary>
         /// Gets or sets a value indicating whether this <see cref="CDPSession"/> is closed.
         /// </summary>
@@ -295,7 +295,7 @@ internal void Close(string closeReason)
                 ));
             }
             _callbacks.Clear();
-            Closed?.Invoke(this, EventArgs.Empty);
+            Disconnected?.Invoke(this, EventArgs.Empty);
             Connection = null;
         }
 

lib/PuppeteerSharp/Connection.cs

@@ -61,7 +61,7 @@ internal Connection(string url, int delay, IConnectionTransport transport, ILogg
         /// <summary>
         /// Occurs when the connection is closed.
         /// </summary>
-        public event EventHandler Closed;
+        public event EventHandler Disconnected;
         /// <summary>
         /// Occurs when a message from chromium is received.
         /// </summary>
@@ -149,7 +149,7 @@ internal void Close(string closeReason)
             CloseReason = closeReason;
 
             Transport.StopReading();
-            Closed?.Invoke(this, new EventArgs());
+            Disconnected?.Invoke(this, new EventArgs());
 
             foreach (var session in _sessions.Values.ToArray())
             {
@@ -288,7 +288,7 @@ internal static async Task<Connection> Create(string url, IConnectionOptions con
 
         /// <summary>
         /// Releases all resource used by the <see cref="Connection"/> object.
-        /// It will raise the <see cref="Closed"/> event and dispose <see cref="Transport"/>.
+        /// It will raise the <see cref="Disconnected"/> event and dispose <see cref="Transport"/>.
         /// </summary>
         /// <remarks>Call <see cref="Dispose"/> when you are finished using the <see cref="Connection"/>. The
         /// <see cref="Dispose"/> method leaves the <see cref="Connection"/> in an unusable state.

lib/PuppeteerSharp/IConnection.cs

@@ -40,9 +40,9 @@ internal interface IConnection
         /// </summary>
         IConnection Connection { get; }
         /// <summary>
-        /// Occurs when the connection is closed.
+        /// Occurs when the connection is Disconnected.
         /// </summary>
-        event EventHandler Closed;
+        event EventHandler Disconnected;
         /// <summary>
         /// Close the connection.
         /// </summary>

lib/PuppeteerSharp/LifecycleWatcher.cs

@@ -18,12 +18,11 @@ internal class LifecycleWatcher : IDisposable
                 [WaitUntilNavigation.Networkidle2] = "networkAlmostIdle"
             };
 
-        private static readonly WaitUntilNavigation[] _defaultWaitUntil = new[] { WaitUntilNavigation.Load };
+        private static readonly WaitUntilNavigation[] _defaultWaitUntil = { WaitUntilNavigation.Load };
 
         private readonly FrameManager _frameManager;
         private readonly Frame _frame;
         private readonly NavigationOptions _options;
-        private readonly IConnection _connection;
         private readonly IEnumerable<string> _expectedLifecycle;
         private readonly int _timeout;
         private readonly string _initialLoaderId;
@@ -33,7 +32,7 @@ internal class LifecycleWatcher : IDisposable
         private TaskCompletionSource<bool> _sameDocumentNavigationTaskWrapper;
         private TaskCompletionSource<bool> _lifecycleTaskWrapper;
         private TaskCompletionSource<bool> _terminationTaskWrapper;
-        private Task _timeoutTask;
+        private readonly Task _timeoutTask;
 
         public LifecycleWatcher(
             FrameManager frameManager,
@@ -66,8 +65,7 @@ internal class LifecycleWatcher : IDisposable
             frameManager.FrameNavigatedWithinDocument += NavigatedWithinDocument;
             frameManager.FrameDetached += OnFrameDetached;
             frameManager.NetworkManager.Request += OnRequest;
-            _connection = Connection.FromSession(frameManager.Client);
-            _connection.Closed += OnConnectionClosed;
+            frameManager.Client.Disconnected += OnClientDisconnected;
 
             _sameDocumentNavigationTaskWrapper = new TaskCompletionSource<bool>();
             _newDocumentNavigationTaskWrapper = new TaskCompletionSource<bool>();
@@ -84,23 +82,23 @@ internal class LifecycleWatcher : IDisposable
         public Task<Task> TimeoutOrTerminationTask => Task.WhenAny(_timeoutTask, _terminationTaskWrapper.Task);
         public Task LifecycleTask => _lifecycleTaskWrapper.Task;
 
-        #endregion
-
-        #region Private methods
+        #endregion
 
-        private void OnConnectionClosed(object sender, EventArgs e) 
-            => Terminate(new TargetClosedException("Navigation failed because browser has disconnected!", _connection.CloseReason));
+        #region Private methods
 
-        private void OnFrameDetached(object sender, FrameEventArgs e)
-        {
-            var frame = e.Frame;
-            if (_frame == frame)
-            {
-                Terminate(new PuppeteerException("Navigating frame was detached"));
-                return;
-            }
-            CheckLifecycleComplete(sender, e);
-        }
+        private void OnClientDisconnected(object sender, EventArgs e)
+            => Terminate(new TargetClosedException("Navigation failed because browser has disconnected!", _frameManager.Client.CloseReason));
+
+        private void OnFrameDetached(object sender, FrameEventArgs e)
+        {
+            var frame = e.Frame;
+            if (_frame == frame)
+            {
+                Terminate(new PuppeteerException("Navigating frame was detached"));
+                return;
+            }
+            CheckLifecycleComplete(sender, e);
+        }
 
         private void CheckLifecycleComplete(object sender, FrameEventArgs e)
         {
@@ -175,7 +173,7 @@ public void Dispose(bool disposing)
             _frameManager.FrameNavigatedWithinDocument -= NavigatedWithinDocument;
             _frameManager.FrameDetached -= OnFrameDetached;
             _frameManager.NetworkManager.Request -= OnRequest;
-            _connection.Closed -= OnConnectionClosed;
+            _frameManager.Client.Disconnected -= OnClientDisconnected;
         }
 
         #endregion