1 files changed, 66 insertions, 0 deletions
diff --git a/Source/WebInspectorUI/UserInterface/Models/MemoryPressureEvent.js b/Source/WebInspectorUI/UserInterface/Models/MemoryPressureEvent.js
new file mode 100644
index 000000000..33aeb8dac
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Models/MemoryPressureEvent.js
@@ -0,0 +1,66 @@
+/*
+ * 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.MemoryPressureEvent = class MemoryPressureEvent extends WebInspector.Object
+{
+    constructor(timestamp, severity)
+    {
+        super();
+
+        this._timestamp = timestamp;
+        this._severity = severity;
+    }
+
+    // Static
+
+    static fromPayload(timestamp, protocolSeverity)
+    {
+        let severity;
+        switch (protocolSeverity) {
+        case MemoryAgent.MemoryPressureSeverity.Critical:
+            severity = WebInspector.MemoryPressureEvent.Severity.Critical;
+            break;
+        case MemoryAgent.MemoryPressureSeverity.NonCritical:
+            severity = WebInspector.MemoryPressureEvent.Severity.NonCritical;
+            break;
+        default:
+            console.error("Unexpected memory pressure severity", protocolSeverity);
+            severity = WebInspector.MemoryPressureEvent.Severity.NonCritical;
+            break;
+        }
+
+        return new WebInspector.MemoryPressureEvent(timestamp, severity);
+    }
+
+    // Public
+
+    get timestamp() { return this._timestamp; }
+    get severity() { return this._severity; }
+};
+
+WebInspector.MemoryPressureEvent.Severity = {
+    Critical: Symbol("Critical"),
+    NonCritical: Symbol("NonCritical"),
+};