OLD | NEW |
(Empty) | |
| 1 /* |
| 2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. |
| 3 * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org> |
| 4 * |
| 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions |
| 7 * are met: |
| 8 * |
| 9 * 1. Redistributions of source code must retain the above copyright |
| 10 * notice, this list of conditions and the following disclaimer. |
| 11 * 2. Redistributions in binary form must reproduce the above copyright |
| 12 * notice, this list of conditions and the following disclaimer in the |
| 13 * documentation and/or other materials provided with the distribution. |
| 14 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| 15 * its contributors may be used to endorse or promote products derived |
| 16 * from this software without specific prior written permission. |
| 17 * |
| 18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| 19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 */ |
| 29 |
| 30 WebInspector.SummaryBar = function(categories) |
| 31 { |
| 32 this.categories = categories; |
| 33 |
| 34 this.element = document.createElement("div"); |
| 35 this.element.className = "summary-bar"; |
| 36 |
| 37 this.graphElement = document.createElement("canvas"); |
| 38 this.graphElement.setAttribute("width", "450"); |
| 39 this.graphElement.setAttribute("height", "38"); |
| 40 this.graphElement.className = "summary-graph"; |
| 41 this.element.appendChild(this.graphElement); |
| 42 |
| 43 this.legendElement = document.createElement("div"); |
| 44 this.legendElement.className = "summary-graph-legend"; |
| 45 this.element.appendChild(this.legendElement); |
| 46 } |
| 47 |
| 48 WebInspector.SummaryBar.prototype = { |
| 49 |
| 50 get calculator() { |
| 51 return this._calculator; |
| 52 }, |
| 53 |
| 54 set calculator(x) { |
| 55 this._calculator = x; |
| 56 }, |
| 57 |
| 58 reset: function() |
| 59 { |
| 60 this.legendElement.removeChildren(); |
| 61 this._drawSummaryGraph(); |
| 62 }, |
| 63 |
| 64 update: function(data) |
| 65 { |
| 66 var graphInfo = this.calculator.computeSummaryValues(data); |
| 67 |
| 68 var fillSegments = []; |
| 69 |
| 70 this.legendElement.removeChildren(); |
| 71 |
| 72 for (var category in this.categories) { |
| 73 var size = graphInfo.categoryValues[category]; |
| 74 if (!size) |
| 75 continue; |
| 76 |
| 77 var color = this.categories[category].color; |
| 78 var colorString = "rgb(" + color.r + ", " + color.g + ", " + color.b
+ ")"; |
| 79 |
| 80 var fillSegment = {color: colorString, value: size}; |
| 81 fillSegments.push(fillSegment); |
| 82 |
| 83 var legendLabel = this._makeLegendElement(this.categories[category].
title, this.calculator.formatValue(size), colorString); |
| 84 this.legendElement.appendChild(legendLabel); |
| 85 } |
| 86 |
| 87 if (graphInfo.total) { |
| 88 var totalLegendLabel = this._makeLegendElement(WebInspector.UIString
("Total"), this.calculator.formatValue(graphInfo.total)); |
| 89 totalLegendLabel.addStyleClass("total"); |
| 90 this.legendElement.appendChild(totalLegendLabel); |
| 91 } |
| 92 |
| 93 this._drawSummaryGraph(fillSegments); |
| 94 }, |
| 95 |
| 96 _drawSwatch: function(canvas, color) |
| 97 { |
| 98 var ctx = canvas.getContext("2d"); |
| 99 |
| 100 function drawSwatchSquare() { |
| 101 ctx.fillStyle = color; |
| 102 ctx.fillRect(0, 0, 13, 13); |
| 103 |
| 104 var gradient = ctx.createLinearGradient(0, 0, 13, 13); |
| 105 gradient.addColorStop(0.0, "rgba(255, 255, 255, 0.2)"); |
| 106 gradient.addColorStop(1.0, "rgba(255, 255, 255, 0.0)"); |
| 107 |
| 108 ctx.fillStyle = gradient; |
| 109 ctx.fillRect(0, 0, 13, 13); |
| 110 |
| 111 gradient = ctx.createLinearGradient(13, 13, 0, 0); |
| 112 gradient.addColorStop(0.0, "rgba(0, 0, 0, 0.2)"); |
| 113 gradient.addColorStop(1.0, "rgba(0, 0, 0, 0.0)"); |
| 114 |
| 115 ctx.fillStyle = gradient; |
| 116 ctx.fillRect(0, 0, 13, 13); |
| 117 |
| 118 ctx.strokeStyle = "rgba(0, 0, 0, 0.6)"; |
| 119 ctx.strokeRect(0.5, 0.5, 12, 12); |
| 120 } |
| 121 |
| 122 ctx.clearRect(0, 0, 13, 24); |
| 123 |
| 124 drawSwatchSquare(); |
| 125 |
| 126 ctx.save(); |
| 127 |
| 128 ctx.translate(0, 25); |
| 129 ctx.scale(1, -1); |
| 130 |
| 131 drawSwatchSquare(); |
| 132 |
| 133 ctx.restore(); |
| 134 |
| 135 this._fadeOutRect(ctx, 0, 13, 13, 13, 0.5, 0.0); |
| 136 }, |
| 137 |
| 138 _drawSummaryGraph: function(segments) |
| 139 { |
| 140 if (!segments || !segments.length) { |
| 141 segments = [{color: "white", value: 1}]; |
| 142 this._showingEmptySummaryGraph = true; |
| 143 } else |
| 144 delete this._showingEmptySummaryGraph; |
| 145 |
| 146 // Calculate the total of all segments. |
| 147 var total = 0; |
| 148 for (var i = 0; i < segments.length; ++i) |
| 149 total += segments[i].value; |
| 150 |
| 151 // Calculate the percentage of each segment, rounded to the nearest perc
ent. |
| 152 var percents = segments.map(function(s) { return Math.max(Math.round(100
* s.value / total), 1) }); |
| 153 |
| 154 // Calculate the total percentage. |
| 155 var percentTotal = 0; |
| 156 for (var i = 0; i < percents.length; ++i) |
| 157 percentTotal += percents[i]; |
| 158 |
| 159 // Make sure our percentage total is not greater-than 100, it can be gre
ater |
| 160 // if we rounded up for a few segments. |
| 161 while (percentTotal > 100) { |
| 162 for (var i = 0; i < percents.length && percentTotal > 100; ++i) { |
| 163 if (percents[i] > 1) { |
| 164 --percents[i]; |
| 165 --percentTotal; |
| 166 } |
| 167 } |
| 168 } |
| 169 |
| 170 // Make sure our percentage total is not less-than 100, it can be less |
| 171 // if we rounded down for a few segments. |
| 172 while (percentTotal < 100) { |
| 173 for (var i = 0; i < percents.length && percentTotal < 100; ++i) { |
| 174 ++percents[i]; |
| 175 ++percentTotal; |
| 176 } |
| 177 } |
| 178 |
| 179 var ctx = this.graphElement.getContext("2d"); |
| 180 |
| 181 var x = 0; |
| 182 var y = 0; |
| 183 var w = 450; |
| 184 var h = 19; |
| 185 var r = (h / 2); |
| 186 |
| 187 function drawPillShadow() |
| 188 { |
| 189 // This draws a line with a shadow that is offset away from the line
. The line is stroked |
| 190 // twice with different X shadow offsets to give more feathered edge
s. Later we erase the |
| 191 // line with destination-out 100% transparent black, leaving only th
e shadow. This only |
| 192 // works if nothing has been drawn into the canvas yet. |
| 193 |
| 194 ctx.beginPath(); |
| 195 ctx.moveTo(x + 4, y + h - 3 - 0.5); |
| 196 ctx.lineTo(x + w - 4, y + h - 3 - 0.5); |
| 197 ctx.closePath(); |
| 198 |
| 199 ctx.save(); |
| 200 |
| 201 ctx.shadowBlur = 2; |
| 202 ctx.shadowColor = "rgba(0, 0, 0, 0.5)"; |
| 203 ctx.shadowOffsetX = 3; |
| 204 ctx.shadowOffsetY = 5; |
| 205 |
| 206 ctx.strokeStyle = "white"; |
| 207 ctx.lineWidth = 1; |
| 208 |
| 209 ctx.stroke(); |
| 210 |
| 211 ctx.shadowOffsetX = -3; |
| 212 |
| 213 ctx.stroke(); |
| 214 |
| 215 ctx.restore(); |
| 216 |
| 217 ctx.save(); |
| 218 |
| 219 ctx.globalCompositeOperation = "destination-out"; |
| 220 ctx.strokeStyle = "rgba(0, 0, 0, 1)"; |
| 221 ctx.lineWidth = 1; |
| 222 |
| 223 ctx.stroke(); |
| 224 |
| 225 ctx.restore(); |
| 226 } |
| 227 |
| 228 function drawPill() |
| 229 { |
| 230 // Make a rounded rect path. |
| 231 ctx.beginPath(); |
| 232 ctx.moveTo(x, y + r); |
| 233 ctx.lineTo(x, y + h - r); |
| 234 ctx.quadraticCurveTo(x, y + h, x + r, y + h); |
| 235 ctx.lineTo(x + w - r, y + h); |
| 236 ctx.quadraticCurveTo(x + w, y + h, x + w, y + h - r); |
| 237 ctx.lineTo(x + w, y + r); |
| 238 ctx.quadraticCurveTo(x + w, y, x + w - r, y); |
| 239 ctx.lineTo(x + r, y); |
| 240 ctx.quadraticCurveTo(x, y, x, y + r); |
| 241 ctx.closePath(); |
| 242 |
| 243 // Clip to the rounded rect path. |
| 244 ctx.save(); |
| 245 ctx.clip(); |
| 246 |
| 247 // Fill the segments with the associated color. |
| 248 var previousSegmentsWidth = 0; |
| 249 for (var i = 0; i < segments.length; ++i) { |
| 250 var segmentWidth = Math.round(w * percents[i] / 100); |
| 251 ctx.fillStyle = segments[i].color; |
| 252 ctx.fillRect(x + previousSegmentsWidth, y, segmentWidth, h); |
| 253 previousSegmentsWidth += segmentWidth; |
| 254 } |
| 255 |
| 256 // Draw the segment divider lines. |
| 257 ctx.lineWidth = 1; |
| 258 for (var i = 1; i < 20; ++i) { |
| 259 ctx.beginPath(); |
| 260 ctx.moveTo(x + (i * Math.round(w / 20)) + 0.5, y); |
| 261 ctx.lineTo(x + (i * Math.round(w / 20)) + 0.5, y + h); |
| 262 ctx.closePath(); |
| 263 |
| 264 ctx.strokeStyle = "rgba(0, 0, 0, 0.2)"; |
| 265 ctx.stroke(); |
| 266 |
| 267 ctx.beginPath(); |
| 268 ctx.moveTo(x + (i * Math.round(w / 20)) + 1.5, y); |
| 269 ctx.lineTo(x + (i * Math.round(w / 20)) + 1.5, y + h); |
| 270 ctx.closePath(); |
| 271 |
| 272 ctx.strokeStyle = "rgba(255, 255, 255, 0.2)"; |
| 273 ctx.stroke(); |
| 274 } |
| 275 |
| 276 // Draw the pill shading. |
| 277 var lightGradient = ctx.createLinearGradient(x, y, x, y + (h / 1.5))
; |
| 278 lightGradient.addColorStop(0.0, "rgba(220, 220, 220, 0.6)"); |
| 279 lightGradient.addColorStop(0.4, "rgba(220, 220, 220, 0.2)"); |
| 280 lightGradient.addColorStop(1.0, "rgba(255, 255, 255, 0.0)"); |
| 281 |
| 282 var darkGradient = ctx.createLinearGradient(x, y + (h / 3), x, y + h
); |
| 283 darkGradient.addColorStop(0.0, "rgba(0, 0, 0, 0.0)"); |
| 284 darkGradient.addColorStop(0.8, "rgba(0, 0, 0, 0.2)"); |
| 285 darkGradient.addColorStop(1.0, "rgba(0, 0, 0, 0.5)"); |
| 286 |
| 287 ctx.fillStyle = darkGradient; |
| 288 ctx.fillRect(x, y, w, h); |
| 289 |
| 290 ctx.fillStyle = lightGradient; |
| 291 ctx.fillRect(x, y, w, h); |
| 292 |
| 293 ctx.restore(); |
| 294 } |
| 295 |
| 296 ctx.clearRect(x, y, w, (h * 2)); |
| 297 |
| 298 drawPillShadow(); |
| 299 drawPill(); |
| 300 |
| 301 ctx.save(); |
| 302 |
| 303 ctx.translate(0, (h * 2) + 1); |
| 304 ctx.scale(1, -1); |
| 305 |
| 306 drawPill(); |
| 307 |
| 308 ctx.restore(); |
| 309 |
| 310 this._fadeOutRect(ctx, x, y + h + 1, w, h, 0.5, 0.0); |
| 311 }, |
| 312 |
| 313 _fadeOutRect: function(ctx, x, y, w, h, a1, a2) |
| 314 { |
| 315 ctx.save(); |
| 316 |
| 317 var gradient = ctx.createLinearGradient(x, y, x, y + h); |
| 318 gradient.addColorStop(0.0, "rgba(0, 0, 0, " + (1.0 - a1) + ")"); |
| 319 gradient.addColorStop(0.8, "rgba(0, 0, 0, " + (1.0 - a2) + ")"); |
| 320 gradient.addColorStop(1.0, "rgba(0, 0, 0, 1.0)"); |
| 321 |
| 322 ctx.globalCompositeOperation = "destination-out"; |
| 323 |
| 324 ctx.fillStyle = gradient; |
| 325 ctx.fillRect(x, y, w, h); |
| 326 |
| 327 ctx.restore(); |
| 328 }, |
| 329 |
| 330 _makeLegendElement: function(label, value, color) |
| 331 { |
| 332 var legendElement = document.createElement("label"); |
| 333 legendElement.className = "summary-graph-legend-item"; |
| 334 |
| 335 if (color) { |
| 336 var swatch = document.createElement("canvas"); |
| 337 swatch.className = "summary-graph-legend-swatch"; |
| 338 swatch.setAttribute("width", "13"); |
| 339 swatch.setAttribute("height", "24"); |
| 340 |
| 341 legendElement.appendChild(swatch); |
| 342 |
| 343 this._drawSwatch(swatch, color); |
| 344 } |
| 345 |
| 346 var labelElement = document.createElement("div"); |
| 347 labelElement.className = "summary-graph-legend-label"; |
| 348 legendElement.appendChild(labelElement); |
| 349 |
| 350 var headerElement = document.createElement("div"); |
| 351 headerElement.className = "summary-graph-legend-header"; |
| 352 headerElement.textContent = label; |
| 353 labelElement.appendChild(headerElement); |
| 354 |
| 355 var valueElement = document.createElement("div"); |
| 356 valueElement.className = "summary-graph-legend-value"; |
| 357 valueElement.textContent = value; |
| 358 labelElement.appendChild(valueElement); |
| 359 |
| 360 return legendElement; |
| 361 } |
| 362 } |
| 363 |
| 364 WebInspector.SummaryBar.prototype.__proto__ = WebInspector.Object.prototype; |
OLD | NEW |