DevTools: merge MemoryStatistics.js and CountersGraph.js, extract DOMCountersGraph.js

Source/devtools/front_end/DOMCountersGraph.js

+/*
+ * Copyright (C) 2013 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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.
+ */
+
+/**
+ * @constructor
+ * @extends {WebInspector.CountersGraph}
+ * @implements {WebInspector.TimelineModeView}
+ * @param {!WebInspector.TimelineModeViewDelegate} delegate
+ * @param {!WebInspector.TimelineModel} model
+ */
+WebInspector.DOMCountersGraph = function(delegate, model)
+{
+    WebInspector.CountersGraph.call(this, delegate, model);
+    this._countersByName = {};
+    this._countersByName["documents"] = this.createCounter(WebInspector.UIString("Documents"), WebInspector.UIString("Documents: %d"), "#d00");
+    this._countersByName["nodes"] = this.createCounter(WebInspector.UIString("Nodes"), WebInspector.UIString("Nodes: %d"), "#0a0");
+    this._countersByName["jsEventListeners"] = this.createCounter(WebInspector.UIString("Listeners"), WebInspector.UIString("Listeners: %d"), "#00d");
+    if (WebInspector.experimentsSettings.gpuTimeline.isEnabled())
+        this._countersByName["gpuMemoryUsedKB"] = this.createCounter(WebInspector.UIString("GPU Memory"), WebInspector.UIString("GPU Memory [KB]: %d"), "#c0c");
+}
+
+WebInspector.DOMCountersGraph.prototype = {
+    /**
+     * @param {!WebInspector.TimelineModel.Record} record
+     */
+    addRecord: function(record)
+    {
+        /**
+         * @param {!WebInspector.TimelineModel.Record} record
+         * @this {!WebInspector.DOMCountersGraph}
+         */
+        function addStatistics(record)
+        {
+            var counters = record.counters;
+            if (!counters)
+                return;
+
+            for (var name in counters) {
+                var counter = this._countersByName[name];
+                if (counter)
+                    counter.appendSample(record.endTime || record.startTime, counters[name]);
+            }
+        }
+        WebInspector.TimelineModel.forAllRecords([record], null, addStatistics.bind(this));
+        this.scheduleRefresh();
+    },
+
+    __proto__: WebInspector.CountersGraph.prototype
+}