Initial import of the Chrome Frame codebase. Integration in chrome.gyp coming...

chrome_frame/tools/test/reference_build/chrome/resources/inspector/SummaryBar.js

Index: chrome_frame/tools/test/reference_build/chrome/resources/inspector/SummaryBar.js
===================================================================
--- chrome_frame/tools/test/reference_build/chrome/resources/inspector/SummaryBar.js	(revision 0)
+++ chrome_frame/tools/test/reference_build/chrome/resources/inspector/SummaryBar.js	(revision 0)
@@ -0,0 +1,364 @@
+/*
+ * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
+ * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org>
+ *
+ * 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. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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.SummaryBar = function(categories)
+{
+    this.categories = categories;
+
+    this.element = document.createElement("div");
+    this.element.className = "summary-bar";
+
+    this.graphElement = document.createElement("canvas");
+    this.graphElement.setAttribute("width", "450");
+    this.graphElement.setAttribute("height", "38");
+    this.graphElement.className = "summary-graph";
+    this.element.appendChild(this.graphElement);
+
+    this.legendElement = document.createElement("div");
+    this.legendElement.className = "summary-graph-legend";
+    this.element.appendChild(this.legendElement);
+}
+
+WebInspector.SummaryBar.prototype = {
+
+    get calculator() {
+        return this._calculator;
+    },
+
+    set calculator(x) {
+        this._calculator = x;
+    },
+
+    reset: function()
+    {
+        this.legendElement.removeChildren();
+        this._drawSummaryGraph();
+    },
+
+    update: function(data)
+    {
+        var graphInfo = this.calculator.computeSummaryValues(data);
+
+        var fillSegments = [];
+
+        this.legendElement.removeChildren();
+
+        for (var category in this.categories) {
+            var size = graphInfo.categoryValues[category];
+            if (!size)
+                continue;
+
+            var color = this.categories[category].color;
+            var colorString = "rgb(" + color.r + ", " + color.g + ", " + color.b + ")";
+
+            var fillSegment = {color: colorString, value: size};
+            fillSegments.push(fillSegment);
+
+            var legendLabel = this._makeLegendElement(this.categories[category].title, this.calculator.formatValue(size), colorString);
+            this.legendElement.appendChild(legendLabel);
+        }
+
+        if (graphInfo.total) {
+            var totalLegendLabel = this._makeLegendElement(WebInspector.UIString("Total"), this.calculator.formatValue(graphInfo.total));
+            totalLegendLabel.addStyleClass("total");
+            this.legendElement.appendChild(totalLegendLabel);
+        }
+
+        this._drawSummaryGraph(fillSegments);
+    },
+
+    _drawSwatch: function(canvas, color)
+    {
+        var ctx = canvas.getContext("2d");
+
+        function drawSwatchSquare() {
+            ctx.fillStyle = color;
+            ctx.fillRect(0, 0, 13, 13);
+
+            var gradient = ctx.createLinearGradient(0, 0, 13, 13);
+            gradient.addColorStop(0.0, "rgba(255, 255, 255, 0.2)");
+            gradient.addColorStop(1.0, "rgba(255, 255, 255, 0.0)");
+
+            ctx.fillStyle = gradient;
+            ctx.fillRect(0, 0, 13, 13);
+
+            gradient = ctx.createLinearGradient(13, 13, 0, 0);
+            gradient.addColorStop(0.0, "rgba(0, 0, 0, 0.2)");
+            gradient.addColorStop(1.0, "rgba(0, 0, 0, 0.0)");
+
+            ctx.fillStyle = gradient;
+            ctx.fillRect(0, 0, 13, 13);
+
+            ctx.strokeStyle = "rgba(0, 0, 0, 0.6)";
+            ctx.strokeRect(0.5, 0.5, 12, 12);
+        }
+
+        ctx.clearRect(0, 0, 13, 24);
+
+        drawSwatchSquare();
+
+        ctx.save();
+
+        ctx.translate(0, 25);
+        ctx.scale(1, -1);
+
+        drawSwatchSquare();
+
+        ctx.restore();
+
+        this._fadeOutRect(ctx, 0, 13, 13, 13, 0.5, 0.0);
+    },
+
+    _drawSummaryGraph: function(segments)
+    {
+        if (!segments || !segments.length) {
+            segments = [{color: "white", value: 1}];
+            this._showingEmptySummaryGraph = true;
+        } else
+            delete this._showingEmptySummaryGraph;
+
+        // Calculate the total of all segments.
+        var total = 0;
+        for (var i = 0; i < segments.length; ++i)
+            total += segments[i].value;
+
+        // Calculate the percentage of each segment, rounded to the nearest percent.
+        var percents = segments.map(function(s) { return Math.max(Math.round(100 * s.value / total), 1) });
+
+        // Calculate the total percentage.
+        var percentTotal = 0;
+        for (var i = 0; i < percents.length; ++i)
+            percentTotal += percents[i];
+
+        // Make sure our percentage total is not greater-than 100, it can be greater
+        // if we rounded up for a few segments.
+        while (percentTotal > 100) {
+            for (var i = 0; i < percents.length && percentTotal > 100; ++i) {
+                if (percents[i] > 1) {
+                    --percents[i];
+                    --percentTotal;
+                }
+            }
+        }
+
+        // Make sure our percentage total is not less-than 100, it can be less
+        // if we rounded down for a few segments.
+        while (percentTotal < 100) {
+            for (var i = 0; i < percents.length && percentTotal < 100; ++i) {
+                ++percents[i];
+                ++percentTotal;
+            }
+        }
+
+        var ctx = this.graphElement.getContext("2d");
+
+        var x = 0;
+        var y = 0;
+        var w = 450;
+        var h = 19;
+        var r = (h / 2);
+
+        function drawPillShadow()
+        {
+            // This draws a line with a shadow that is offset away from the line. The line is stroked
+            // twice with different X shadow offsets to give more feathered edges. Later we erase the
+            // line with destination-out 100% transparent black, leaving only the shadow. This only
+            // works if nothing has been drawn into the canvas yet.
+
+            ctx.beginPath();
+            ctx.moveTo(x + 4, y + h - 3 - 0.5);
+            ctx.lineTo(x + w - 4, y + h - 3 - 0.5);
+            ctx.closePath();
+
+            ctx.save();
+
+            ctx.shadowBlur = 2;
+            ctx.shadowColor = "rgba(0, 0, 0, 0.5)";
+            ctx.shadowOffsetX = 3;
+            ctx.shadowOffsetY = 5;
+
+            ctx.strokeStyle = "white";
+            ctx.lineWidth = 1;
+
+            ctx.stroke();
+
+            ctx.shadowOffsetX = -3;
+
+            ctx.stroke();
+
+            ctx.restore();
+
+            ctx.save();
+
+            ctx.globalCompositeOperation = "destination-out";
+            ctx.strokeStyle = "rgba(0, 0, 0, 1)";
+            ctx.lineWidth = 1;
+
+            ctx.stroke();
+
+            ctx.restore();
+        }
+
+        function drawPill()
+        {
+            // Make a rounded rect path.
+            ctx.beginPath();
+            ctx.moveTo(x, y + r);
+            ctx.lineTo(x, y + h - r);
+            ctx.quadraticCurveTo(x, y + h, x + r, y + h);
+            ctx.lineTo(x + w - r, y + h);
+            ctx.quadraticCurveTo(x + w, y + h, x + w, y + h - r);
+            ctx.lineTo(x + w, y + r);
+            ctx.quadraticCurveTo(x + w, y, x + w - r, y);
+            ctx.lineTo(x + r, y);
+            ctx.quadraticCurveTo(x, y, x, y + r);
+            ctx.closePath();
+
+            // Clip to the rounded rect path.
+            ctx.save();
+            ctx.clip();
+
+            // Fill the segments with the associated color.
+            var previousSegmentsWidth = 0;
+            for (var i = 0; i < segments.length; ++i) {
+                var segmentWidth = Math.round(w * percents[i] / 100);
+                ctx.fillStyle = segments[i].color;
+                ctx.fillRect(x + previousSegmentsWidth, y, segmentWidth, h);
+                previousSegmentsWidth += segmentWidth;
+            }
+
+            // Draw the segment divider lines.
+            ctx.lineWidth = 1;
+            for (var i = 1; i < 20; ++i) {
+                ctx.beginPath();
+                ctx.moveTo(x + (i * Math.round(w / 20)) + 0.5, y);
+                ctx.lineTo(x + (i * Math.round(w / 20)) + 0.5, y + h);
+                ctx.closePath();
+
+                ctx.strokeStyle = "rgba(0, 0, 0, 0.2)";
+                ctx.stroke();
+
+                ctx.beginPath();
+                ctx.moveTo(x + (i * Math.round(w / 20)) + 1.5, y);
+                ctx.lineTo(x + (i * Math.round(w / 20)) + 1.5, y + h);
+                ctx.closePath();
+
+                ctx.strokeStyle = "rgba(255, 255, 255, 0.2)";
+                ctx.stroke();
+            }
+
+            // Draw the pill shading.
+            var lightGradient = ctx.createLinearGradient(x, y, x, y + (h / 1.5));
+            lightGradient.addColorStop(0.0, "rgba(220, 220, 220, 0.6)");
+            lightGradient.addColorStop(0.4, "rgba(220, 220, 220, 0.2)");
+            lightGradient.addColorStop(1.0, "rgba(255, 255, 255, 0.0)");
+
+            var darkGradient = ctx.createLinearGradient(x, y + (h / 3), x, y + h);
+            darkGradient.addColorStop(0.0, "rgba(0, 0, 0, 0.0)");
+            darkGradient.addColorStop(0.8, "rgba(0, 0, 0, 0.2)");
+            darkGradient.addColorStop(1.0, "rgba(0, 0, 0, 0.5)");
+
+            ctx.fillStyle = darkGradient;
+            ctx.fillRect(x, y, w, h);
+
+            ctx.fillStyle = lightGradient;
+            ctx.fillRect(x, y, w, h);
+
+            ctx.restore();
+        }
+
+        ctx.clearRect(x, y, w, (h * 2));
+
+        drawPillShadow();
+        drawPill();
+
+        ctx.save();
+
+        ctx.translate(0, (h * 2) + 1);
+        ctx.scale(1, -1);
+
+        drawPill();
+
+        ctx.restore();
+
+        this._fadeOutRect(ctx, x, y + h + 1, w, h, 0.5, 0.0);
+    },
+
+    _fadeOutRect: function(ctx, x, y, w, h, a1, a2)
+    {
+        ctx.save();
+
+        var gradient = ctx.createLinearGradient(x, y, x, y + h);
+        gradient.addColorStop(0.0, "rgba(0, 0, 0, " + (1.0 - a1) + ")");
+        gradient.addColorStop(0.8, "rgba(0, 0, 0, " + (1.0 - a2) + ")");
+        gradient.addColorStop(1.0, "rgba(0, 0, 0, 1.0)");
+
+        ctx.globalCompositeOperation = "destination-out";
+
+        ctx.fillStyle = gradient;
+        ctx.fillRect(x, y, w, h);
+
+        ctx.restore();
+    },
+
+    _makeLegendElement: function(label, value, color)
+    {
+        var legendElement = document.createElement("label");
+        legendElement.className = "summary-graph-legend-item";
+
+        if (color) {
+            var swatch = document.createElement("canvas");
+            swatch.className = "summary-graph-legend-swatch";
+            swatch.setAttribute("width", "13");
+            swatch.setAttribute("height", "24");
+
+            legendElement.appendChild(swatch);
+
+            this._drawSwatch(swatch, color);
+        }
+
+        var labelElement = document.createElement("div");
+        labelElement.className = "summary-graph-legend-label";
+        legendElement.appendChild(labelElement);
+
+        var headerElement = document.createElement("div");
+        headerElement.className = "summary-graph-legend-header";
+        headerElement.textContent = label;
+        labelElement.appendChild(headerElement);
+
+        var valueElement = document.createElement("div");
+        valueElement.className = "summary-graph-legend-value";
+        valueElement.textContent = value;
+        labelElement.appendChild(valueElement);
+
+        return legendElement;
+    }
+}
+
+WebInspector.SummaryBar.prototype.__proto__ = WebInspector.Object.prototype;