1 files changed, 89 insertions, 0 deletions
diff --git a/Source/WebInspectorUI/UserInterface/Debug/CapturingProtocolTracer.js b/Source/WebInspectorUI/UserInterface/Debug/CapturingProtocolTracer.js
new file mode 100644
index 000000000..f44754a8e
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Debug/CapturingProtocolTracer.js
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+WebInspector.CapturingProtocolTracer = class CapturingProtocolTracer extends WebInspector.ProtocolTracer
+{
+    constructor()
+    {
+        super();
+
+        this._trace = new WebInspector.ProtocolTrace;
+    }
+
+    // Public
+
+    get trace()
+    {
+        return this._trace;
+    }
+
+    logFrontendException(message, exception)
+    {
+        this._processEntry({type: "exception", message: this._stringifyMessage(message), exception});
+    }
+
+    logProtocolError(message, error)
+    {
+        this._processEntry({type: "error", message: this._stringifyMessage(message), error});
+    }
+
+    logFrontendRequest(message)
+    {
+        this._processEntry({type: "request", message: this._stringifyMessage(message)});
+    }
+
+    logDidHandleResponse(message, timings = null)
+    {
+        let entry = {type: "response", message: this._stringifyMessage(message)};
+        if (timings)
+            entry.timings = Object.shallowCopy(timings);
+
+        this._processEntry(entry);
+    }
+
+    logDidHandleEvent(message, timings = null)
+    {
+        let entry = {type: "event", message: this._stringifyMessage(message)};
+        if (timings)
+            entry.timings = Object.shallowCopy(timings);
+
+        this._processEntry(entry);
+    }
+
+    _stringifyMessage(message)
+    {
+        try {
+            return JSON.stringify(message);
+        } catch (e) {
+            console.error("couldn't stringify object:", message, e);
+            return {};
+        }
+    }
+
+    _processEntry(entry)
+    {
+        this._trace.addEntry(entry);
+    }
+};