1 files changed, 87 insertions, 0 deletions
diff --git a/Source/WebInspectorUI/UserInterface/Models/MemoryTimelineRecord.js b/Source/WebInspectorUI/UserInterface/Models/MemoryTimelineRecord.js
new file mode 100644
index 000000000..5b482d823
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Models/MemoryTimelineRecord.js
@@ -0,0 +1,87 @@
+/*
+ * 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.MemoryTimelineRecord = class MemoryTimelineRecord extends WebInspector.TimelineRecord
+{
+    constructor(timestamp, categories)
+    {
+        super(WebInspector.TimelineRecord.Type.Memory, timestamp, timestamp);
+
+        console.assert(typeof timestamp === "number");
+        console.assert(categories instanceof Array);
+
+        this._timestamp = timestamp;
+        this._categories = WebInspector.MemoryTimelineRecord.memoryCategoriesFromProtocol(categories);
+
+        this._totalSize = 0;
+        for (let {size} of categories)
+            this._totalSize += size;
+    }
+
+    // Static
+
+    static memoryCategoriesFromProtocol(categories)
+    {
+        let javascriptSize = 0;
+        let imagesSize = 0;
+        let layersSize = 0;
+        let pageSize = 0;
+
+        for (let {type, size} of categories) {
+            switch (type) {
+            case MemoryAgent.CategoryDataType.Javascript:
+            case MemoryAgent.CategoryDataType.JIT:
+                javascriptSize += size;
+                break;
+            case MemoryAgent.CategoryDataType.Images:
+                imagesSize += size;
+                break;
+            case MemoryAgent.CategoryDataType.Layers:
+                layersSize += size;
+                break;
+            case MemoryAgent.CategoryDataType.Page:
+            case MemoryAgent.CategoryDataType.Other:
+                pageSize += size;
+                break;
+            default:
+                console.warn("Unhandled Memory.CategoryDataType: " + type);
+                break;
+            }
+        }
+
+        return [
+            {type: WebInspector.MemoryCategory.Type.JavaScript, size: javascriptSize},
+            {type: WebInspector.MemoryCategory.Type.Images, size: imagesSize},
+            {type: WebInspector.MemoryCategory.Type.Layers, size: layersSize},
+            {type: WebInspector.MemoryCategory.Type.Page, size: pageSize},
+        ];
+    }
+
+    // Public
+
+    get timestamp() { return this._timestamp; }
+    get categories() { return this._categories; }
+    get totalSize() { return this._totalSize; }
+};