Websites/perf.webkit.org/public/v2/app.js

   1 window.App = Ember.Application.create();
   2
   3 App.Router.map(function () {
   4     this.resource('charts', {path: 'charts'});
   5     this.resource('analysis', {path: 'analysis'});
   6     this.resource('analysisTask', {path: 'analysis/task/:taskId'});
   7 });
   8
   9 App.DashboardRow = Ember.Object.extend({
  10     header: null,
  11     cells: [],
  12
  13     init: function ()
  14     {
  15         this._super();
  16
  17         var cellsInfo = this.get('cellsInfo') || [];
  18         var columnCount = this.get('columnCount');
  19         while (cellsInfo.length < columnCount)
  20             cellsInfo.push([]);
  21
  22         this.set('cells', cellsInfo.map(this._createPane.bind(this)));
  23     },
  24     addPane: function (paneInfo)
  25     {
  26         var pane = this._createPane(paneInfo);
  27         this.get('cells').pushObject(pane);
  28         this.set('columnCount', this.get('columnCount') + 1);
  29     },
  30     _createPane: function (paneInfo)
  31     {
  32         if (!paneInfo || !paneInfo.length || (!paneInfo[0] && !paneInfo[1]))
  33             paneInfo = null;
  34
  35         var pane = App.Pane.create({
  36             store: this.get('store'),
  37             platformId: paneInfo ? paneInfo[0] : null,
  38             metricId: paneInfo ? paneInfo[1] : null,
  39         });
  40
  41         return App.DashboardPaneProxyForPicker.create({content: pane});
  42     },
  43 });
  44
  45 App.DashboardPaneProxyForPicker = Ember.ObjectProxy.extend({
  46     _platformOrMetricIdChanged: function ()
  47     {
  48         var self = this;
  49         App.buildPopup(this.get('store'), 'choosePane', this)
  50             .then(function (platforms) { self.set('pickerData', platforms); });
  51     }.observes('platformId', 'metricId').on('init'),
  52     paneList: function () {
  53         return App.encodePrettifiedJSON([[this.get('platformId'), this.get('metricId'), null, null, false]]);
  54     }.property('platformId', 'metricId'),
  55 });
  56
  57 App.IndexController = Ember.Controller.extend({
  58     queryParams: ['grid', 'numberOfDays'],
  59     _previousGrid: {},
  60     defaultTable: [],
  61     headerColumns: [],
  62     rows: [],
  63     numberOfDays: 30,
  64     editMode: false,
  65
  66     gridChanged: function ()
  67     {
  68         var grid = this.get('grid');
  69         if (grid === this._previousGrid)
  70             return;
  71
  72         var table = null;
  73         try {
  74             if (grid)
  75                 table = JSON.parse(grid);
  76         } catch (error) {
  77             console.log("Failed to parse the grid:", error, grid);
  78         }
  79
  80         if (!table || !table.length) // FIXME: We should fetch this from the manifest.
  81             table = this.get('defaultTable');
  82
  83         table = this._normalizeTable(table);
  84         var columnCount = table[0].length;
  85         this.set('columnCount', columnCount);
  86
  87         this.set('headerColumns', table[0].map(function (name, index) {
  88             return {label:name, index: index};
  89         }));
  90
  91         var store = this.store;
  92         this.set('rows', table.slice(1).map(function (rowParam) {
  93             return App.DashboardRow.create({
  94                 store: store,
  95                 header: rowParam[0],
  96                 cellsInfo: rowParam.slice(1),
  97                 columnCount: columnCount,
  98             })
  99         }));
 100
 101         this.set('emptyRow', new Array(columnCount));
 102     }.observes('grid').on('init'),
 103
 104     _normalizeTable: function (table)
 105     {
 106         var maxColumnCount = Math.max(table.map(function (column) { return column.length; }));
 107         for (var i = 1; i < table.length; i++) {
 108             var row = table[i];
 109             for (var j = 1; j < row.length; j++) {
 110                 if (row[j] && !(row[j] instanceof Array)) {
 111                     console.log('Unrecognized (platform, metric) pair at column ' + i + ' row ' + j + ':' + row[j]);
 112                     row[j] = [];
 113                 }
 114             }
 115         }
 116         return table;
 117     },
 118
 119     updateGrid: function()
 120     {
 121         var headers = this.get('headerColumns').map(function (header) { return header.label; });
 122         var table = [headers].concat(this.get('rows').map(function (row) {
 123             return [row.get('header')].concat(row.get('cells').map(function (pane) {
 124                 var platformAndMetric = [pane.get('platformId'), pane.get('metricId')];
 125                 return platformAndMetric[0] || platformAndMetric[1] ? platformAndMetric : [];
 126             }));
 127         }));
 128         this._previousGrid = JSON.stringify(table);
 129         this.set('grid', this._previousGrid);
 130     },
 131
 132     _sharedDomainChanged: function ()
 133     {
 134         var numberOfDays = this.get('numberOfDays');
 135         if (!numberOfDays)
 136             return;
 137
 138         numberOfDays = parseInt(numberOfDays);
 139         var present = Date.now();
 140         var past = present - numberOfDays * 24 * 3600 * 1000;
 141         this.set('sharedDomain', [past, present]);
 142     }.observes('numberOfDays').on('init'),
 143
 144     actions: {
 145         setNumberOfDays: function (numberOfDays)
 146         {
 147             this.set('numberOfDays', numberOfDays);
 148         },
 149         choosePane: function (param)
 150         {
 151             var pane = param.position;
 152             pane.set('platformId', param.platform.get('id'));
 153             pane.set('metricId', param.metric.get('id'));
 154         },
 155         addColumn: function ()
 156         {
 157             this.get('headerColumns').pushObject({
 158                 label: this.get('newColumnHeader'),
 159                 index: this.get('headerColumns').length,
 160             });
 161             this.get('rows').forEach(function (row) {
 162                 row.addPane();
 163             });
 164             this.set('newColumnHeader', null);
 165         },
 166         removeColumn: function (index)
 167         {
 168             this.get('headerColumns').removeAt(index);
 169             this.get('rows').forEach(function (row) {
 170                 row.get('cells').removeAt(index);
 171             });
 172         },
 173         addRow: function ()
 174         {
 175             this.get('rows').pushObject(App.DashboardRow.create({
 176                 store: this.store,
 177                 header: this.get('newRowHeader'),
 178                 columnCount: this.get('columnCount'),
 179             }));
 180             this.set('newRowHeader', null);
 181         },
 182         removeRow: function (row)
 183         {
 184             this.get('rows').removeObject(row);
 185         },
 186         resetPane: function (pane)
 187         {
 188             pane.set('platformId', null);
 189             pane.set('metricId', null);
 190         },
 191         toggleEditMode: function ()
 192         {
 193             this.toggleProperty('editMode');
 194             if (!this.get('editMode'))
 195                 this.updateGrid();
 196         },
 197     },
 198
 199     init: function ()
 200     {
 201         this._super();
 202         App.Manifest.fetch(this.get('store'));
 203     }
 204 });
 205
 206 App.NumberOfDaysControlView = Ember.View.extend({
 207     classNames: ['controls'],
 208     templateName: 'number-of-days-controls',
 209     didInsertElement: function ()
 210     {
 211         this._matchingElements(this._previousNumberOfDaysClass).addClass('active');
 212     },
 213     _numberOfDaysChanged: function ()
 214     {
 215         this._matchingElements(this._previousNumberOfDaysClass).removeClass('active');
 216
 217         var newNumberOfDaysClass = 'numberOfDaysIs' + this.get('numberOfDays');
 218         this._matchingElements(this._previousNumberOfDaysClass).addClass('active');
 219         this._previousNumberOfDaysClass = newNumberOfDaysClass;
 220     }.observes('numberOfDays').on('init'),
 221     _matchingElements: function (className)
 222     {
 223         var element = this.get('element');
 224         if (!element)
 225             return $([]);
 226         return $(element.getElementsByClassName(className));
 227     }
 228 });
 229
 230 App.StartTimeSliderView = Ember.View.extend({
 231     templateName: 'start-time-slider',
 232     classNames: ['start-time-slider'],
 233     startTime: Date.now() - 7 * 24 * 3600 * 1000,
 234     oldestStartTime: null,
 235     _numberOfDaysView: null,
 236     _slider: null,
 237     _startTimeInSlider: null,
 238     _currentNumberOfDays: null,
 239     _MILLISECONDS_PER_DAY: 24 * 3600 * 1000,
 240
 241     didInsertElement: function ()
 242     {
 243         this.oldestStartTime = Date.now() - 365 * 24 * 3600 * 1000;
 244         this._slider = $(this.get('element')).find('input');
 245         this._numberOfDaysView = $(this.get('element')).find('.numberOfDays');
 246         this._sliderRangeChanged();
 247         this._slider.change(this._sliderMoved.bind(this));
 248     },
 249     _sliderRangeChanged: function ()
 250     {
 251         var minimumNumberOfDays = 1;
 252         var maximumNumberOfDays = this._timeInPastToNumberOfDays(this.get('oldestStartTime'));
 253         var precision = 1000; // FIXME: Compute this from maximumNumberOfDays.
 254         var slider = this._slider;
 255         slider.attr('min', Math.floor(Math.log(Math.max(1, minimumNumberOfDays)) * precision) / precision);
 256         slider.attr('max', Math.ceil(Math.log(maximumNumberOfDays) * precision) / precision);
 257         slider.attr('step', 1 / precision);
 258         this._startTimeChanged();
 259     }.observes('oldestStartTime'),
 260     _sliderMoved: function ()
 261     {
 262         this._currentNumberOfDays = Math.round(Math.exp(this._slider.val()));
 263         this._numberOfDaysView.text(this._currentNumberOfDays);
 264         this._startTimeInSlider = this._numberOfDaysToTimeInPast(this._currentNumberOfDays);
 265         this.set('startTime', this._startTimeInSlider);
 266     },
 267     _startTimeChanged: function ()
 268     {
 269         var startTime = this.get('startTime');
 270         if (startTime == this._startTimeSetBySlider)
 271             return;
 272         this._currentNumberOfDays = this._timeInPastToNumberOfDays(startTime);
 273
 274         if (this._slider) {
 275             this._numberOfDaysView.text(this._currentNumberOfDays);
 276             this._slider.val(Math.log(this._currentNumberOfDays));
 277             this._startTimeInSlider = startTime;
 278         }
 279     }.observes('startTime').on('init'),
 280     _timeInPastToNumberOfDays: function (timeInPast)
 281     {
 282         return Math.max(1, Math.round((Date.now() - timeInPast) / this._MILLISECONDS_PER_DAY));
 283     },
 284     _numberOfDaysToTimeInPast: function (numberOfDays)
 285     {
 286         return Date.now() - numberOfDays * this._MILLISECONDS_PER_DAY;
 287     },
 288 });
 289
 290 App.Pane = Ember.Object.extend({
 291     platformId: null,
 292     platform: null,
 293     metricId: null,
 294     metric: null,
 295     selectedItem: null,
 296     searchCommit: function (repository, keyword) {
 297         var self = this;
 298         var repositoryName = repository.get('id');
 299         CommitLogs.fetchForTimeRange(repositoryName, null, null, keyword).then(function (commits) {
 300             if (self.isDestroyed || !self.get('chartData') || !commits.length)
 301                 return;
 302             var currentRuns = self.get('chartData').current.timeSeriesByCommitTime().series();
 303             if (!currentRuns.length)
 304                 return;
 305
 306             var highlightedItems = {};
 307             var commitIndex = 0;
 308             for (var runIndex = 0; runIndex < currentRuns.length && commitIndex < commits.length; runIndex++) {
 309                 var measurement = currentRuns[runIndex].measurement;
 310                 var commitTime = measurement.commitTimeForRepository(repositoryName);
 311                 if (!commitTime)
 312                     continue;
 313                 if (commits[commitIndex].time <= commitTime) {
 314                     highlightedItems[measurement.id()] = true;
 315                     do {
 316                         commitIndex++;
 317                     } while (commitIndex < commits.length && commits[commitIndex].time <= commitTime);
 318                 }
 319             }
 320
 321             self.set('highlightedItems', highlightedItems);
 322         }, function () {
 323             // FIXME: Report errors
 324             this.set('highlightedItems', {});
 325         });
 326     },
 327     _fetch: function () {
 328         var platformId = this.get('platformId');
 329         var metricId = this.get('metricId');
 330         if (!platformId && !metricId) {
 331             this.set('empty', true);
 332             return;
 333         }
 334         this.set('empty', false);
 335         this.set('platform', null);
 336         this.set('chartData', null);
 337         this.set('metric', null);
 338         this.set('failure', null);
 339
 340         if (!this._isValidId(platformId))
 341             this.set('failure', platformId ? 'Invalid platform id:' + platformId : 'Platform id was not specified');
 342         else if (!this._isValidId(metricId))
 343             this.set('failure', metricId ? 'Invalid metric id:' + metricId : 'Metric id was not specified');
 344         else {
 345             var self = this;
 346
 347             App.Manifest.fetchRunsWithPlatformAndMetric(this.get('store'), platformId, metricId).then(function (result) {
 348                 self.set('platform', result.platform);
 349                 self.set('metric', result.metric);
 350                 self.set('chartData', result.runs);
 351             }, function (result) {
 352                 if (!result || typeof(result) === "string")
 353                     self.set('failure', 'Failed to fetch the JSON with an error: ' + result);
 354                 else if (!result.platform)
 355                     self.set('failure', 'Could not find the platform "' + platformId + '"');
 356                 else if (!result.metric)
 357                     self.set('failure', 'Could not find the metric "' + metricId + '"');
 358                 else
 359                     self.set('failure', 'An internal error');
 360             });
 361
 362             this.fetchAnalyticRanges();
 363         }
 364     }.observes('platformId', 'metricId').on('init'),
 365     fetchAnalyticRanges: function ()
 366     {
 367         var platformId = this.get('platformId');
 368         var metricId = this.get('metricId');
 369         var self = this;
 370         this.get('store')
 371             .find('analysisTask', {platform: platformId, metric: metricId})
 372             .then(function (tasks) {
 373                 self.set('analyticRanges', tasks.filter(function (task) { return task.get('startRun') && task.get('endRun'); }));
 374             });
 375     },
 376     _isValidId: function (id)
 377     {
 378         if (typeof(id) == "number")
 379             return true;
 380         if (typeof(id) == "string")
 381             return !!id.match(/^[A-Za-z0-9_]+$/);
 382         return false;
 383     }
 384 });
 385
 386 App.encodePrettifiedJSON = function (plain)
 387 {
 388     function numberIfPossible(string) {
 389         return string == parseInt(string) ? parseInt(string) : string;
 390     }
 391
 392     function recursivelyConvertNumberIfPossible(input) {
 393         if (input instanceof Array) {
 394             return input.map(recursivelyConvertNumberIfPossible);
 395         }
 396         return numberIfPossible(input);
 397     }
 398
 399     return JSON.stringify(recursivelyConvertNumberIfPossible(plain))
 400         .replace(/\[/g, '(').replace(/\]/g, ')').replace(/\,/g, '-');
 401 }
 402
 403 App.decodePrettifiedJSON = function (encoded)
 404 {
 405     var parsed = encoded.replace(/\(/g, '[').replace(/\)/g, ']').replace(/\-/g, ',');
 406     try {
 407         return JSON.parse(parsed);
 408     } catch (exception) {
 409         return null;
 410     }
 411 }
 412
 413 App.ChartsController = Ember.Controller.extend({
 414     queryParams: ['paneList', 'zoom', 'since'],
 415     needs: ['pane'],
 416     _currentEncodedPaneList: null,
 417     panes: [],
 418     platforms: null,
 419     sharedZoom: null,
 420     startTime: null,
 421     defaultSince: Date.now() - 7 * 24 * 3600 * 1000,
 422
 423     addPane: function (pane)
 424     {
 425         this.panes.unshiftObject(pane);
 426     },
 427
 428     removePane: function (pane)
 429     {
 430         this.panes.removeObject(pane);
 431     },
 432
 433     refreshPanes: function()
 434     {
 435         var paneList = this.get('paneList');
 436         if (paneList === this._currentEncodedPaneList)
 437             return;
 438
 439         var panes = this._parsePaneList(paneList || '[]');
 440         if (!panes) {
 441             console.log('Failed to parse', jsonPaneList, exception);
 442             return;
 443         }
 444         this.set('panes', panes);
 445         this._currentEncodedPaneList = paneList;
 446     }.observes('paneList').on('init'),
 447
 448     refreshZoom: function()
 449     {
 450         var zoom = this.get('zoom');
 451         if (!zoom) {
 452             this.set('sharedZoom', null);
 453             return;
 454         }
 455
 456         zoom = zoom.split('-');
 457         var selection = new Array(2);
 458         try {
 459             selection[0] = new Date(parseFloat(zoom[0]));
 460             selection[1] = new Date(parseFloat(zoom[1]));
 461         } catch (error) {
 462             console.log('Failed to parse the zoom', zoom);
 463         }
 464         this.set('sharedZoom', selection);
 465
 466         var startTime = this.get('startTime');
 467         if (startTime && startTime > selection[0])
 468             this.set('startTime', selection[0]);
 469
 470     }.observes('zoom').on('init'),
 471
 472     updateSharedDomain: function ()
 473     {
 474         var panes = this.get('panes');
 475         if (!panes.length)
 476             return;
 477
 478         var union = [undefined, undefined];
 479         for (var i = 0; i < panes.length; i++) {
 480             var domain = panes[i].intrinsicDomain;
 481             if (!domain)
 482                 continue;
 483             if (!union[0] || domain[0] < union[0])
 484                 union[0] = domain[0];
 485             if (!union[1] || domain[1] > union[1])
 486                 union[1] = domain[1];
 487         }
 488         if (union[0] === undefined)
 489             return;
 490
 491         var startTime = this.get('startTime');
 492         var zoom = this.get('sharedZoom');
 493         if (startTime)
 494             union[0] = zoom ? Math.min(zoom[0], startTime) : startTime;
 495
 496         this.set('sharedDomain', union);
 497     }.observes('panes.@each'),
 498
 499     _startTimeChanged: function () {
 500         this.updateSharedDomain();
 501         this._scheduleQueryStringUpdate();
 502     }.observes('startTime'),
 503
 504     _sinceChanged: function () {
 505         var since = parseInt(this.get('since'));
 506         if (isNaN(since))
 507             since = this.defaultSince;
 508         this.set('startTime', new Date(since));
 509     }.observes('since').on('init'),
 510
 511     _parsePaneList: function (encodedPaneList)
 512     {
 513         var parsedPaneList = App.decodePrettifiedJSON(encodedPaneList);
 514         if (!parsedPaneList)
 515             return null;
 516
 517         // Don't re-create all panes.
 518         var self = this;
 519         return parsedPaneList.map(function (paneInfo) {
 520             var timeRange = null;
 521             if (paneInfo[3] && paneInfo[3] instanceof Array) {
 522                 var timeRange = paneInfo[3];
 523                 try {
 524                     timeRange = [new Date(timeRange[0]), new Date(timeRange[1])];
 525                 } catch (error) {
 526                     console.log("Failed to parse the time range:", timeRange, error);
 527                 }
 528             }
 529             return App.Pane.create({
 530                 store: self.store,
 531                 info: paneInfo,
 532                 platformId: paneInfo[0],
 533                 metricId: paneInfo[1],
 534                 selectedItem: paneInfo[2],
 535                 timeRange: timeRange,
 536                 timeRangeIsLocked: !!paneInfo[4],
 537             });
 538         });
 539     },
 540
 541     _serializePaneList: function (panes)
 542     {
 543         if (!panes.length)
 544             return undefined;
 545         return App.encodePrettifiedJSON(panes.map(function (pane) {
 546             return [
 547                 pane.get('platformId'),
 548                 pane.get('metricId'),
 549                 pane.get('selectedItem'),
 550                 pane.get('timeRange') ? pane.get('timeRange').map(function (date) { return date.getTime() }) : null,
 551                 !!pane.get('timeRangeIsLocked'),
 552             ];
 553         }));
 554     },
 555
 556     _scheduleQueryStringUpdate: function ()
 557     {
 558         Ember.run.debounce(this, '_updateQueryString', 500);
 559     }.observes('sharedZoom')
 560         .observes('panes.@each.platform', 'panes.@each.metric', 'panes.@each.selectedItem',
 561         'panes.@each.timeRange', 'panes.@each.timeRangeIsLocked'),
 562
 563     _updateQueryString: function ()
 564     {
 565         this._currentEncodedPaneList = this._serializePaneList(this.get('panes'));
 566         this.set('paneList', this._currentEncodedPaneList);
 567
 568         var zoom = undefined;
 569         var selection = this.get('sharedZoom');
 570         if (selection)
 571             zoom = (selection[0] - 0) + '-' + (selection[1] - 0);
 572         this.set('zoom', zoom);
 573
 574         if (this.get('startTime') - this.defaultSince)
 575             this.set('since', this.get('startTime') - 0);
 576     },
 577
 578     actions: {
 579         addPaneByMetricAndPlatform: function (param)
 580         {
 581             this.addPane(App.Pane.create({
 582                 store: this.store,
 583                 platformId: param.platform.get('id'),
 584                 metricId: param.metric.get('id'),
 585                 showingDetails: false
 586             }));
 587         },
 588     },
 589
 590     init: function ()
 591     {
 592         this._super();
 593         var self = this;
 594         App.buildPopup(this.store, 'addPaneByMetricAndPlatform').then(function (platforms) {
 595             self.set('platforms', platforms);
 596         });
 597     },
 598 });
 599
 600 App.buildPopup = function(store, action, position)
 601 {
 602     return App.Manifest.fetch(store).then(function () {
 603         return App.Manifest.get('platforms').map(function (platform) {
 604             return App.PlatformProxyForPopup.create({content: platform,
 605                 action: action, position: position});
 606         });
 607     });
 608 }
 609
 610 App.PlatformProxyForPopup = Ember.ObjectProxy.extend({
 611     children: function ()
 612     {
 613         var platform = this.content;
 614         var containsTest = this.content.containsTest.bind(this.content);
 615         var action = this.get('action');
 616         var position = this.get('position');
 617         return App.Manifest.get('topLevelTests')
 618             .filter(containsTest)
 619             .map(function (test) {
 620                 return App.TestProxyForPopup.create({content: test, platform: platform, action: action, position: position});
 621             });
 622     }.property('App.Manifest.topLevelTests'),
 623 });
 624
 625 App.TestProxyForPopup = Ember.ObjectProxy.extend({
 626     platform: null,
 627     children: function ()
 628     {
 629         var platform = this.get('platform');
 630         var action = this.get('action');
 631         var position = this.get('position');
 632
 633         var childTests = this.get('childTests')
 634             .filter(function (test) { return platform.containsTest(test); })
 635             .map(function (test) {
 636                 return App.TestProxyForPopup.create({content: test, platform: platform, action: action, position: position});
 637             });
 638
 639         var metrics = this.get('metrics')
 640             .filter(function (metric) { return platform.containsMetric(metric); })
 641             .map(function (metric) {
 642                 var aggregator = metric.get('aggregator');
 643                 return {
 644                     actionName: action,
 645                     actionArgument: {platform: platform, metric: metric, position:position},
 646                     label: metric.get('label')
 647                 };
 648             });
 649
 650         if (childTests.length && metrics.length)
 651             metrics.push({isSeparator: true});
 652
 653         return metrics.concat(childTests);
 654     }.property('childTests', 'metrics'),
 655 });
 656
 657 App.PaneController = Ember.ObjectController.extend({
 658     needs: ['charts'],
 659     sharedTime: Ember.computed.alias('parentController.sharedTime'),
 660     sharedSelection: Ember.computed.alias('parentController.sharedSelection'),
 661     selection: null,
 662     actions: {
 663         toggleDetails: function()
 664         {
 665             this.toggleProperty('showingDetails');
 666         },
 667         close: function ()
 668         {
 669             this.parentController.removePane(this.get('model'));
 670         },
 671         toggleBugsPane: function ()
 672         {
 673             if (this.toggleProperty('showingAnalysisPane'))
 674                 this.set('showingSearchPane', false);
 675         },
 676         createAnalysisTask: function ()
 677         {
 678             var name = this.get('newAnalysisTaskName');
 679             var points = this._selectedPoints;
 680             Ember.assert('The analysis name should not be empty', name);
 681             Ember.assert('There should be at least two points in the range', points && points.length >= 2);
 682
 683             var newWindow = window.open();
 684             var self = this;
 685             App.AnalysisTask.create(name, points[0].measurement, points[points.length - 1].measurement).then(function (data) {
 686                 // FIXME: Update the UI to show the new analysis task.
 687                 var url = App.Router.router.generate('analysisTask', data['taskId']);
 688                 newWindow.location.href = '#' + url;
 689                 self.get('model').fetchAnalyticRanges();
 690             }, function (error) {
 691                 newWindow.close();
 692                 if (error === 'DuplicateAnalysisTask') {
 693                     // FIXME: Duplicate this error more gracefully.
 694                 }
 695                 alert(error);
 696             });
 697         },
 698         toggleSearchPane: function ()
 699         {
 700             if (!App.Manifest.repositoriesWithReportedCommits)
 701                 return;
 702             var model = this.get('model');
 703             if (!model.get('commitSearchRepository'))
 704                 model.set('commitSearchRepository', App.Manifest.repositoriesWithReportedCommits[0]);
 705             if (this.toggleProperty('showingSearchPane'))
 706                 this.set('showingAnalysisPane', false);
 707         },
 708         searchCommit: function () {
 709             var model = this.get('model');
 710             model.searchCommit(model.get('commitSearchRepository'), model.get('commitSearchKeyword'));
 711         },
 712         zoomed: function (selection)
 713         {
 714             this.set('mainPlotDomain', selection ? selection : this.get('overviewDomain'));
 715             Ember.run.debounce(this, 'propagateZoom', 100);
 716         },
 717         overviewDomainChanged: function (domain, intrinsicDomain)
 718         {
 719             this.set('overviewDomain', domain);
 720             this.set('intrinsicDomain', intrinsicDomain);
 721             this.get('parentController').updateSharedDomain();
 722         },
 723         rangeChanged: function (extent, points)
 724         {
 725             if (!points) {
 726                 this._hasRange = false;
 727                 this.set('details', null);
 728                 this.set('timeRange', null);
 729                 return;
 730             }
 731             this._hasRange = true;
 732             this._showDetails(points);
 733             this.set('timeRange', extent);
 734         },
 735     },
 736     _detailsChanged: function ()
 737     {
 738         this.set('showingAnalysisPane', false);
 739     }.observes('details'),
 740     _overviewSelectionChanged: function ()
 741     {
 742         var overviewSelection = this.get('overviewSelection');
 743         this.set('mainPlotDomain', overviewSelection);
 744         Ember.run.debounce(this, 'propagateZoom', 100);
 745     }.observes('overviewSelection'),
 746     _sharedDomainChanged: function ()
 747     {
 748         var newDomain = this.get('parentController').get('sharedDomain');
 749         if (newDomain == this.get('overviewDomain'))
 750             return;
 751         this.set('overviewDomain', newDomain);
 752         if (!this.get('overviewSelection'))
 753             this.set('mainPlotDomain', newDomain);
 754     }.observes('parentController.sharedDomain').on('init'),
 755     propagateZoom: function ()
 756     {
 757         this.get('parentController').set('sharedZoom', this.get('mainPlotDomain'));
 758     },
 759     _sharedZoomChanged: function ()
 760     {
 761         var newSelection = this.get('parentController').get('sharedZoom');
 762         if (newSelection == this.get('mainPlotDomain'))
 763             return;
 764         this.set('overviewSelection', newSelection);
 765         this.set('mainPlotDomain', newSelection);
 766     }.observes('parentController.sharedZoom').on('init'),
 767     _currentItemChanged: function ()
 768     {
 769         if (this._hasRange)
 770             return;
 771         var point = this.get('currentItem');
 772         if (!point || !point.measurement)
 773             this.set('details', null);
 774         else {
 775             var previousPoint = point.series.previousPoint(point);
 776             this._showDetails(previousPoint ? [previousPoint, point] : [point]);
 777         }
 778     }.observes('currentItem'),
 779     _showDetails: function (points)
 780     {
 781         var isShowingEndPoint = !this._hasRange;
 782         var currentMeasurement = points[points.length - 1].measurement;
 783         var oldMeasurement = points[0].measurement;
 784         var formattedRevisions = currentMeasurement.formattedRevisions(oldMeasurement);
 785         var revisions = App.Manifest.get('repositories')
 786             .filter(function (repository) { return formattedRevisions[repository.get('id')]; })
 787             .map(function (repository) {
 788             var repositoryName = repository.get('id');
 789             var revision = Ember.Object.create(formattedRevisions[repositoryName]);
 790             revision['url'] = revision.previousRevision
 791                 ? repository.urlForRevisionRange(revision.previousRevision, revision.currentRevision)
 792                 : repository.urlForRevision(revision.currentRevision);
 793             revision['name'] = repositoryName;
 794             revision['repository'] = repository;
 795             return revision;
 796         });
 797
 798         var buildNumber = null;
 799         var buildURL = null;
 800         if (isShowingEndPoint) {
 801             buildNumber = currentMeasurement.buildNumber();
 802             var builder = App.Manifest.builder(currentMeasurement.builderId());
 803             if (builder)
 804                 buildURL = builder.urlFromBuildNumber(buildNumber);
 805         }
 806
 807         this._selectedPoints = points;
 808         this.set('details', Ember.Object.create({
 809             currentValue: currentMeasurement.mean().toFixed(2),
 810             oldValue: oldMeasurement && !isShowingEndPoint ? oldMeasurement.mean().toFixed(2) : null,
 811             buildNumber: buildNumber,
 812             buildURL: buildURL,
 813             buildTime: currentMeasurement.formattedBuildTime(),
 814             revisions: revisions,
 815         }));
 816         this._updateCanAnalyze();
 817     },
 818     _updateCanAnalyze: function ()
 819     {
 820         var points = this._selectedPoints;
 821         this.set('cannotAnalyze', !this.get('newAnalysisTaskName') || !this._hasRange || !points || points.length < 2);
 822     }.observes('newAnalysisTaskName'),
 823 });
 824
 825 App.InteractiveChartComponent = Ember.Component.extend({
 826     chartData: null,
 827     showXAxis: true,
 828     showYAxis: true,
 829     interactive: false,
 830     enableSelection: true,
 831     classNames: ['chart'],
 832     init: function ()
 833     {
 834         this._super();
 835         this._needsConstruction = true;
 836         this._eventHandlers = [];
 837         $(window).resize(this._updateDimensionsIfNeeded.bind(this));
 838     },
 839     chartDataDidChange: function ()
 840     {
 841         var chartData = this.get('chartData');
 842         if (!chartData)
 843             return;
 844         this._needsConstruction = true;
 845         this._constructGraphIfPossible(chartData);
 846     }.observes('chartData').on('init'),
 847     didInsertElement: function ()
 848     {
 849         var chartData = this.get('chartData');
 850         if (chartData)
 851             this._constructGraphIfPossible(chartData);
 852     },
 853     willClearRender: function ()
 854     {
 855         this._eventHandlers.forEach(function (item) {
 856             $(item[0]).off(item[1], item[2]);
 857         })
 858     },
 859     _attachEventListener: function(target, eventName, listener)
 860     {
 861         this._eventHandlers.push([target, eventName, listener]);
 862         $(target).on(eventName, listener);
 863     },
 864     _constructGraphIfPossible: function (chartData)
 865     {
 866         if (!this._needsConstruction || !this.get('element'))
 867             return;
 868
 869         var element = this.get('element');
 870
 871         this._x = d3.time.scale();
 872         this._y = d3.scale.linear();
 873
 874         // FIXME: Tear down the old SVG element.
 875         this._svgElement = d3.select(element).append("svg")
 876                 .attr("width", "100%")
 877                 .attr("height", "100%");
 878
 879         var svg = this._svg = this._svgElement.append("g");
 880
 881         var clipId = element.id + "-clip";
 882         this._clipPath = svg.append("defs").append("clipPath")
 883             .attr("id", clipId)
 884             .append("rect");
 885
 886         if (this.get('showXAxis')) {
 887             this._xAxis = d3.svg.axis().scale(this._x).orient("bottom").ticks(6);
 888             this._xAxisLabels = svg.append("g")
 889                 .attr("class", "x axis");
 890         }
 891
 892         if (this.get('showYAxis')) {
 893             this._yAxis = d3.svg.axis().scale(this._y).orient("left").ticks(6).tickFormat(d3.format("s"));
 894             this._yAxisLabels = svg.append("g")
 895                 .attr("class", "y axis");
 896         }
 897
 898         this._clippedContainer = svg.append("g")
 899             .attr("clip-path", "url(#" + clipId + ")");
 900
 901         var xScale = this._x;
 902         var yScale = this._y;
 903         this._timeLine = d3.svg.line()
 904             .x(function(point) { return xScale(point.time); })
 905             .y(function(point) { return yScale(point.value); });
 906
 907         this._confidenceArea = d3.svg.area()
 908 //            .interpolate("cardinal")
 909             .x(function(point) { return xScale(point.time); })
 910             .y0(function(point) { return point.interval ? yScale(point.interval[0]) : null; })
 911             .y1(function(point) { return point.interval ? yScale(point.interval[1]) : null; });
 912
 913         if (this._paths)
 914             this._paths.forEach(function (path) { path.remove(); });
 915         this._paths = [];
 916         if (this._areas)
 917             this._areas.forEach(function (area) { area.remove(); });
 918         this._areas = [];
 919         if (this._dots)
 920             this._dots.forEach(function (dot) { dots.remove(); });
 921         this._dots = [];
 922         if (this._highlights)
 923             this._highlights.forEach(function (highlight) { highlight.remove(); });
 924         this._highlights = [];
 925
 926         this._currentTimeSeries = chartData.current.timeSeriesByCommitTime();
 927         this._currentTimeSeriesData = this._currentTimeSeries.series();
 928         this._baselineTimeSeries = chartData.baseline ? chartData.baseline.timeSeriesByCommitTime() : null;
 929         this._targetTimeSeries = chartData.target ? chartData.target.timeSeriesByCommitTime() : null;
 930
 931         this._yAxisUnit = chartData.unit;
 932
 933         var minMax = this._minMaxForAllTimeSeries();
 934         var smallEnoughValue = minMax[0] - (minMax[1] - minMax[0]) * 10;
 935         var largeEnoughValue = minMax[1] + (minMax[1] - minMax[0]) * 10;
 936
 937         // FIXME: Flip the sides based on smallerIsBetter-ness.
 938         if (this._baselineTimeSeries) {
 939             var data = this._baselineTimeSeries.series();
 940             this._areas.push(this._clippedContainer
 941                 .append("path")
 942                 .datum(data.map(function (point) { return {time: point.time, value: point.value, interval: point.interval ? point.interval : [point.value, largeEnoughValue]}; }))
 943                 .attr("class", "area baseline"));
 944         }
 945         if (this._targetTimeSeries) {
 946             var data = this._targetTimeSeries.series();
 947             this._areas.push(this._clippedContainer
 948                 .append("path")
 949                 .datum(data.map(function (point) { return {time: point.time, value: point.value, interval: point.interval ? point.interval : [smallEnoughValue, point.value]}; }))
 950                 .attr("class", "area target"));
 951         }
 952
 953         this._areas.push(this._clippedContainer
 954             .append("path")
 955             .datum(this._currentTimeSeriesData)
 956             .attr("class", "area"));
 957
 958         this._paths.push(this._clippedContainer
 959             .append("path")
 960             .datum(this._currentTimeSeriesData)
 961             .attr("class", "commit-time-line"));
 962
 963         this._dots.push(this._clippedContainer
 964             .selectAll(".dot")
 965                 .data(this._currentTimeSeriesData)
 966             .enter().append("circle")
 967                 .attr("class", "dot")
 968                 .attr("r", this.get('chartPointRadius') || 1));
 969
 970         if (this.get('interactive')) {
 971             this._attachEventListener(element, "mousemove", this._mouseMoved.bind(this));
 972             this._attachEventListener(element, "mouseleave", this._mouseLeft.bind(this));
 973             this._attachEventListener(element, "mousedown", this._mouseDown.bind(this));
 974             this._attachEventListener($(element).parents("[tabindex]"), "keydown", this._keyPressed.bind(this));
 975
 976             this._currentItemLine = this._clippedContainer
 977                 .append("line")
 978                 .attr("class", "current-item");
 979
 980             this._currentItemCircle = this._clippedContainer
 981                 .append("circle")
 982                 .attr("class", "dot current-item")
 983                 .attr("r", 3);
 984         }
 985
 986         this._brush = null;
 987         if (this.get('enableSelection')) {
 988             this._brush = d3.svg.brush()
 989                 .x(this._x)
 990                 .on("brush", this._brushChanged.bind(this));
 991
 992             this._brushRect = this._clippedContainer
 993                 .append("g")
 994                 .attr("class", "x brush");
 995         }
 996
 997         this._updateDomain();
 998         this._updateDimensionsIfNeeded();
 999
1000         // Work around the fact the brush isn't set if we updated it synchronously here.
1001         setTimeout(this._selectionChanged.bind(this), 0);
1002
1003         setTimeout(this._selectedItemChanged.bind(this), 0);
1004
1005         this._needsConstruction = false;
1006
1007         this._rangesChanged();
1008     },
1009     _updateDomain: function ()
1010     {
1011         var xDomain = this.get('domain');
1012         var intrinsicXDomain = this._computeXAxisDomain(this._currentTimeSeriesData);
1013         if (!xDomain)
1014             xDomain = intrinsicXDomain;
1015         var currentDomain = this._x.domain();
1016         if (currentDomain && this._xDomainsAreSame(currentDomain, xDomain))
1017             return currentDomain;
1018
1019         var yDomain = this._computeYAxisDomain(xDomain[0], xDomain[1]);
1020         this._x.domain(xDomain);
1021         this._y.domain(yDomain);
1022         this.sendAction('domainChanged', xDomain, intrinsicXDomain);
1023         return xDomain;
1024     },
1025     _updateDimensionsIfNeeded: function (newSelection)
1026     {
1027         var element = $(this.get('element'));
1028
1029         var newTotalWidth = element.width();
1030         var newTotalHeight = element.height();
1031         if (this._totalWidth == newTotalWidth && this._totalHeight == newTotalHeight)
1032             return;
1033
1034         this._totalWidth = newTotalWidth;
1035         this._totalHeight = newTotalHeight;
1036
1037         if (!this._rem)
1038             this._rem = parseFloat(getComputedStyle(document.documentElement).fontSize);
1039         var rem = this._rem;
1040
1041         var padding = 0.5 * rem;
1042         var margin = {top: padding, right: padding, bottom: padding, left: padding};
1043         if (this._xAxis)
1044             margin.bottom += rem;
1045         if (this._yAxis)
1046             margin.left += 3 * rem;
1047
1048         this._margin = margin;
1049         this._contentWidth = this._totalWidth - margin.left - margin.right;
1050         this._contentHeight = this._totalHeight - margin.top - margin.bottom;
1051
1052         this._svg.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
1053
1054         this._clipPath
1055             .attr("width", this._contentWidth)
1056             .attr("height", this._contentHeight);
1057
1058         this._x.range([0, this._contentWidth]);
1059         this._y.range([this._contentHeight, 0]);
1060
1061         if (this._xAxis) {
1062             this._xAxis.tickSize(-this._contentHeight);
1063             this._xAxisLabels.attr("transform", "translate(0," + this._contentHeight + ")");
1064         }
1065
1066         if (this._yAxis)
1067             this._yAxis.tickSize(-this._contentWidth);
1068
1069         if (this._currentItemLine) {
1070             this._currentItemLine
1071                 .attr("y1", 0)
1072                 .attr("y2", margin.top + this._contentHeight);
1073         }
1074
1075         this._relayoutDataAndAxes(this._currentSelection());
1076     },
1077     _updateBrush: function ()
1078     {
1079         this._brushRect
1080             .call(this._brush)
1081         .selectAll("rect")
1082             .attr("y", 1)
1083             .attr("height", this._contentHeight - 2);
1084         this._updateSelectionToolbar();
1085     },
1086     _relayoutDataAndAxes: function (selection)
1087     {
1088         var timeline = this._timeLine;
1089         this._paths.forEach(function (path) { path.attr("d", timeline); });
1090
1091         var confidenceArea = this._confidenceArea;
1092         this._areas.forEach(function (path) { path.attr("d", confidenceArea); });
1093
1094         var xScale = this._x;
1095         var yScale = this._y;
1096         this._dots.forEach(function (dot) {
1097             dot
1098                 .attr("cx", function(measurement) { return xScale(measurement.time); })
1099                 .attr("cy", function(measurement) { return yScale(measurement.value); });
1100         });
1101         this._updateMarkedDots();
1102         this._updateHighlightPositions();
1103         this._updateRangeBarRects();
1104
1105         if (this._brush) {
1106             if (selection)
1107                 this._brush.extent(selection);
1108             else
1109                 this._brush.clear();
1110             this._updateBrush();
1111         }
1112
1113         this._updateCurrentItemIndicators();
1114
1115         if (this._xAxis)
1116             this._xAxisLabels.call(this._xAxis);
1117         if (!this._yAxis)
1118             return;
1119
1120         this._yAxisLabels.call(this._yAxis);
1121         if (this._yAxisUnitContainer)
1122             this._yAxisUnitContainer.remove();
1123         this._yAxisUnitContainer = this._yAxisLabels.append("text")
1124             .attr("x", 0.5 * this._rem)
1125             .attr("y", 0.2 * this._rem)
1126             .attr("dy", 0.8 * this._rem)
1127             .style("text-anchor", "start")
1128             .style("z-index", "100")
1129             .text(this._yAxisUnit);
1130     },
1131     _updateMarkedDots: function () {
1132         var markedPoints = this.get('markedPoints') || {};
1133         var defaultDotRadius = this.get('chartPointRadius') || 1;
1134         this._dots.forEach(function (dot) {
1135             dot.classed('marked', function (point) { return markedPoints[point.measurement.id()]; });
1136             dot.attr('r', function (point) {
1137                 return markedPoints[point.measurement.id()] ? defaultDotRadius * 1.5 : defaultDotRadius; });
1138         });
1139     }.observes('markedPoints'),
1140     _updateHighlightPositions: function () {
1141         var xScale = this._x;
1142         var yScale = this._y;
1143         var y2 = this._margin.top + this._contentHeight;
1144         this._highlights.forEach(function (highlight) {
1145             highlight
1146                 .attr("y1", 0)
1147                 .attr("y2", y2)
1148                 .attr("y", function(measurement) { return yScale(measurement.value); })
1149                 .attr("x1", function(measurement) { return xScale(measurement.time); })
1150                 .attr("x2", function(measurement) { return xScale(measurement.time); });
1151         });
1152     },
1153     _computeXAxisDomain: function (timeSeries)
1154     {
1155         var extent = d3.extent(timeSeries, function(point) { return point.time; });
1156         var margin = 3600 * 1000; // Use x.inverse to compute the right amount from a margin.
1157         return [+extent[0] - margin, +extent[1] + margin];
1158     },
1159     _computeYAxisDomain: function (startTime, endTime)
1160     {
1161         var range = this._minMaxForAllTimeSeries(startTime, endTime);
1162         var min = range[0];
1163         var max = range[1];
1164         if (max < min)
1165             min = max = 0;
1166         var diff = max - min;
1167         var margin = diff * 0.05;
1168
1169         yExtent = [min - margin, max + margin];
1170 //        if (yMin !== undefined)
1171 //            yExtent[0] = parseInt(yMin);
1172         return yExtent;
1173     },
1174     _minMaxForAllTimeSeries: function (startTime, endTime)
1175     {
1176         var currentRange = this._currentTimeSeries.minMaxForTimeRange(startTime, endTime);
1177         var baselineRange = this._baselineTimeSeries ? this._baselineTimeSeries.minMaxForTimeRange(startTime, endTime) : [Number.MAX_VALUE, Number.MIN_VALUE];
1178         var targetRange = this._targetTimeSeries ? this._targetTimeSeries.minMaxForTimeRange(startTime, endTime) : [Number.MAX_VALUE, Number.MIN_VALUE];
1179         return [
1180             Math.min(currentRange[0], baselineRange[0], targetRange[0]),
1181             Math.max(currentRange[1], baselineRange[1], targetRange[1]),
1182         ];
1183     },
1184     _currentSelection: function ()
1185     {
1186         return this._brush && !this._brush.empty() ? this._brush.extent() : null;
1187     },
1188     _domainChanged: function ()
1189     {
1190         var selection = this._currentSelection() || this.get('sharedSelection');
1191         var newXDomain = this._updateDomain();
1192
1193         if (selection && newXDomain && selection[0] <= newXDomain[0] && newXDomain[1] <= selection[1])
1194             selection = null; // Otherwise the user has no way of clearing the selection.
1195
1196         this._relayoutDataAndAxes(selection);
1197     }.observes('domain'),
1198     _selectionChanged: function ()
1199     {
1200         this._updateSelection(this.get('selection'));
1201     }.observes('selection'),
1202     _sharedSelectionChanged: function ()
1203     {
1204         if (this.get('selectionIsLocked'))
1205             return;
1206         this._updateSelection(this.get('sharedSelection'));
1207     }.observes('sharedSelection'),
1208     _updateSelection: function (newSelection)
1209     {
1210         if (!this._brush)
1211             return;
1212
1213         var currentSelection = this._currentSelection();
1214         if (newSelection && currentSelection && this._xDomainsAreSame(newSelection, currentSelection))
1215             return;
1216
1217         var domain = this._x.domain();
1218         if (!newSelection || this._xDomainsAreSame(domain, newSelection))
1219             this._brush.clear();
1220         else
1221             this._brush.extent(newSelection);
1222         this._updateBrush();
1223
1224         this._setCurrentSelection(newSelection);
1225     },
1226     _xDomainsAreSame: function (domain1, domain2)
1227     {
1228         return !(domain1[0] - domain2[0]) && !(domain1[1] - domain2[1]);
1229     },
1230     _brushChanged: function ()
1231     {
1232         if (this._brush.empty()) {
1233             if (!this._brushExtent)
1234                 return;
1235
1236             this.set('selectionIsLocked', false);
1237             this._setCurrentSelection(undefined);
1238
1239             // Avoid locking the indicator in _mouseDown when the brush was cleared in the same mousedown event.
1240             this._brushJustChanged = true;
1241             var self = this;
1242             setTimeout(function () {
1243                 self._brushJustChanged = false;
1244             }, 0);
1245
1246             return;
1247         }
1248
1249         this.set('selectionIsLocked', true);
1250         this._setCurrentSelection(this._brush.extent());
1251     },
1252     _keyPressed: function (event)
1253     {
1254         if (!this._currentItemIndex || this._currentSelection())
1255             return;
1256
1257         var newIndex;
1258         switch (event.keyCode) {
1259         case 37: // Left
1260             newIndex = this._currentItemIndex - 1;
1261             break;
1262         case 39: // Right
1263             newIndex = this._currentItemIndex + 1;
1264             break;
1265         case 38: // Up
1266         case 40: // Down
1267         default:
1268             return;
1269         }
1270
1271         // Unlike mousemove, keydown shouldn't move off the edge.
1272         if (this._currentTimeSeriesData[newIndex])
1273             this._setCurrentItem(newIndex);
1274     },
1275     _mouseMoved: function (event)
1276     {
1277         if (!this._margin || this._currentSelection() || this._currentItemLocked)
1278             return;
1279
1280         var point = this._mousePointInGraph(event);
1281
1282         this._selectClosestPointToMouseAsCurrentItem(point);
1283     },
1284     _mouseLeft: function (event)
1285     {
1286         if (!this._margin || this._currentItemLocked)
1287             return;
1288
1289         this._selectClosestPointToMouseAsCurrentItem(null);
1290     },
1291     _mouseDown: function (event)
1292     {
1293         if (!this._margin || this._currentSelection() || this._brushJustChanged)
1294             return;
1295
1296         var point = this._mousePointInGraph(event);
1297         if (!point)
1298             return;
1299
1300         if (this._currentItemLocked) {
1301             this._currentItemLocked = false;
1302             this.set('selectedItem', null);
1303             return;
1304         }
1305
1306         this._currentItemLocked = true;
1307         this._selectClosestPointToMouseAsCurrentItem(point);
1308     },
1309     _mousePointInGraph: function (event)
1310     {
1311         var offset = $(this.get('element')).offset();
1312         if (!offset || !$(event.target).closest('svg').length)
1313             return null;
1314
1315         var point = {
1316             x: event.pageX - offset.left - this._margin.left,
1317             y: event.pageY - offset.top - this._margin.top
1318         };
1319
1320         var xScale = this._x;
1321         var yScale = this._y;
1322         var xDomain = xScale.domain();
1323         var yDomain = yScale.domain();
1324         if (point.x >= xScale(xDomain[0]) && point.x <= xScale(xDomain[1])
1325             && point.y <= yScale(yDomain[0]) && point.y >= yScale(yDomain[1]))
1326             return point;
1327
1328         return null;
1329     },
1330     _selectClosestPointToMouseAsCurrentItem: function (point)
1331     {
1332         var xScale = this._x;
1333         var yScale = this._y;
1334         var distanceHeuristics = function (m) {
1335             var mX = xScale(m.time);
1336             var mY = yScale(m.value);
1337             var xDiff = mX - point.x;
1338             var yDiff = mY - point.y;
1339             return xDiff * xDiff + yDiff * yDiff / 16; // Favor horizontal affinity.
1340         };
1341         distanceHeuristics = function (m) {
1342             return Math.abs(xScale(m.time) - point.x);
1343         }
1344
1345         var newItemIndex;
1346         if (point && !this._currentSelection()) {
1347             var distances = this._currentTimeSeriesData.map(distanceHeuristics);
1348             var minDistance = Number.MAX_VALUE;
1349             for (var i = 0; i < distances.length; i++) {
1350                 if (distances[i] < minDistance) {
1351                     newItemIndex = i;
1352                     minDistance = distances[i];
1353                 }
1354             }
1355         }
1356
1357         this._setCurrentItem(newItemIndex);
1358         this._updateSelectionToolbar();
1359     },
1360     _currentTimeChanged: function ()
1361     {
1362         if (!this._margin || this._currentSelection() || this._currentItemLocked)
1363             return
1364
1365         var currentTime = this.get('currentTime');
1366         if (currentTime) {
1367             for (var i = 0; i < this._currentTimeSeriesData.length; i++) {
1368                 var point = this._currentTimeSeriesData[i];
1369                 if (point.time >= currentTime) {
1370                     this._setCurrentItem(i, /* doNotNotify */ true);
1371                     return;
1372                 }
1373             }
1374         }
1375         this._setCurrentItem(undefined, /* doNotNotify */ true);
1376     }.observes('currentTime'),
1377     _setCurrentItem: function (newItemIndex, doNotNotify)
1378     {
1379         if (newItemIndex === this._currentItemIndex) {
1380             if (this._currentItemLocked)
1381                 this.set('selectedItem', this.get('currentItem') ? this.get('currentItem').measurement.id() : null);
1382             return;
1383         }
1384
1385         var newItem = this._currentTimeSeriesData[newItemIndex];
1386         this._brushExtent = undefined;
1387         this._currentItemIndex = newItemIndex;
1388
1389         if (!newItem) {
1390             this._currentItemLocked = false;
1391             this.set('selectedItem', null);
1392         }
1393
1394         this._updateCurrentItemIndicators();
1395
1396         if (!doNotNotify)
1397             this.set('currentTime', newItem ? newItem.time : undefined);
1398
1399         this.set('currentItem', newItem);
1400         if (this._currentItemLocked)
1401             this.set('selectedItem', newItem ? newItem.measurement.id() : null);
1402     },
1403     _selectedItemChanged: function ()
1404     {
1405         if (!this._margin)
1406             return;
1407
1408         var selectedId = this.get('selectedItem');
1409         var currentItem = this.get('currentItem');
1410         if (currentItem && currentItem.measurement.id() == selectedId)
1411             return;
1412
1413         var series = this._currentTimeSeriesData;
1414         var selectedItemIndex = undefined;
1415         for (var i = 0; i < series.length; i++) {
1416             if (series[i].measurement.id() == selectedId) {
1417                 this._updateSelection(null);
1418                 this._currentItemLocked = true;
1419                 this._setCurrentItem(i);
1420                 this._updateSelectionToolbar();
1421                 return;
1422             }
1423         }
1424     }.observes('selectedItem').on('init'),
1425     _highlightedItemsChanged: function () {
1426         if (!this._margin)
1427             return;
1428
1429         var highlightedItems = this.get('highlightedItems');
1430
1431         var data = this._currentTimeSeriesData.filter(function (item) { return highlightedItems[item.measurement.id()]; });
1432
1433         if (this._highlights.length)
1434             this._highlights.forEach(function (highlight) { highlight.remove(); });
1435
1436         this._highlights.push(this._clippedContainer
1437             .selectAll(".highlight")
1438                 .data(data)
1439             .enter().append("line")
1440                 .attr("class", "highlight"));
1441
1442         this._updateHighlightPositions();
1443
1444     }.observes('highlightedItems'),
1445     _rangesChanged: function ()
1446     {
1447         if (!this._currentTimeSeries)
1448             return;
1449
1450         function midPoint(firstPoint, secondPoint) {
1451             if (firstPoint && secondPoint)
1452                 return (+firstPoint.time + +secondPoint.time) / 2;
1453             if (firstPoint)
1454                 return firstPoint.time;
1455             return secondPoint.time;
1456         }
1457         var currentTimeSeries = this._currentTimeSeries;
1458         var linkRoute = this.get('rangeRoute');
1459         this.set('rangeBars', (this.get('ranges') || []).map(function (range) {
1460             var start = currentTimeSeries.findPointByMeasurementId(range.get('startRun'));
1461             var end = currentTimeSeries.findPointByMeasurementId(range.get('endRun'));
1462             return Ember.Object.create({
1463                 startTime: midPoint(currentTimeSeries.previousPoint(start), start),
1464                 endTime: midPoint(end, currentTimeSeries.nextPoint(end)),
1465                 range: range,
1466                 left: null,
1467                 right: null,
1468                 rowIndex: null,
1469                 top: null,
1470                 bottom: null,
1471                 linkRoute: linkRoute,
1472                 linkId: range.get('id'),
1473             });
1474         }));
1475
1476         this._updateRangeBarRects();
1477     }.observes('ranges'),
1478     _updateRangeBarRects: function () {
1479         var rangeBars = this.get('rangeBars');
1480         if (!rangeBars || !rangeBars.length)
1481             return;
1482
1483         var xScale = this._x;
1484         var yScale = this._y;
1485
1486         // Expand the width of each range as needed and sort ranges by the left-edge of ranges.
1487         var minWidth = 3;
1488         var sortedBars = rangeBars.map(function (bar) {
1489             var left = xScale(bar.get('startTime'));
1490             var right = xScale(bar.get('endTime'));
1491             if (right - left < minWidth) {
1492                 left -= minWidth / 2;
1493                 right += minWidth / 2;
1494             }
1495             bar.set('left', left);
1496             bar.set('right', right);
1497             return bar;
1498         }).sort(function (first, second) { return first.get('left') - second.get('left'); });
1499
1500         // At this point, left edges of all ranges prior to a range R1 is on the left of R1.
1501         // Place R1 into a row in which right edges of all ranges prior to R1 is on the left of R1 to avoid overlapping ranges.
1502         var rows = [];
1503         sortedBars.forEach(function (bar) {
1504             var rowIndex = 0;
1505             for (; rowIndex < rows.length; rowIndex++) {
1506                 var currentRow = rows[rowIndex];
1507                 if (currentRow[currentRow.length - 1].get('right') < bar.get('left')) {
1508                     currentRow.push(bar);
1509                     break;
1510                 }
1511             }
1512             if (rowIndex >= rows.length)
1513                 rows.push([bar]);
1514             bar.set('rowIndex', rowIndex);
1515         });
1516         var rowHeight = 0.6 * this._rem;
1517         var firstRowTop = this._contentHeight - rows.length * rowHeight;
1518         var barHeight = 0.5 * this._rem;
1519
1520         $(this.get('element')).find('.rangeBarsContainerInlineStyle').css({
1521             left: this._margin.left + 'px',
1522             top: this._margin.top + firstRowTop + 'px',
1523             width: this._contentWidth + 'px',
1524             height: rows.length * barHeight + 'px',
1525             overflow: 'hidden',
1526             position: 'absolute',
1527         });
1528
1529         var margin = this._margin;
1530         sortedBars.forEach(function (bar) {
1531             var top = bar.get('rowIndex') * rowHeight;
1532             var height = barHeight;
1533             var left = bar.get('left');
1534             var width = bar.get('right') - left;
1535             bar.set('inlineStyle', 'left: ' + left + 'px; top: ' + top + 'px; width: ' + width + 'px; height: ' + height + 'px;');
1536         });
1537     },
1538     _updateCurrentItemIndicators: function ()
1539     {
1540         if (!this._currentItemLine)
1541             return;
1542
1543         var item = this._currentTimeSeriesData[this._currentItemIndex];
1544         if (!item) {
1545             this._currentItemLine.attr("x1", -1000).attr("x2", -1000);
1546             this._currentItemCircle.attr("cx", -1000);
1547             return;
1548         }
1549
1550         var x = this._x(item.time);
1551         var y = this._y(item.value);
1552
1553         this._currentItemLine
1554             .attr("x1", x)
1555             .attr("x2", x);
1556
1557         this._currentItemCircle
1558             .attr("cx", x)
1559             .attr("cy", y);
1560     },
1561     _setCurrentSelection: function (newSelection)
1562     {
1563         if (this._brushExtent === newSelection)
1564             return;
1565
1566         var points = null;
1567         if (newSelection) {
1568             points = this._currentTimeSeriesData
1569                 .filter(function (point) { return point.time >= newSelection[0] && point.time <= newSelection[1]; });
1570             if (!points.length)
1571                 points = null;
1572         }
1573
1574         this._brushExtent = newSelection;
1575         this._setCurrentItem(undefined);
1576         this._updateSelectionToolbar();
1577
1578         this.set('sharedSelection', newSelection);
1579         this.sendAction('selectionChanged', newSelection, points);
1580     },
1581     _updateSelectionToolbar: function ()
1582     {
1583         if (!this.get('interactive'))
1584             return;
1585
1586         var selection = this._currentSelection();
1587         var selectionToolbar = $(this.get('element')).children('.selection-toolbar');
1588         if (selection) {
1589             var left = this._x(selection[0]);
1590             var right = this._x(selection[1]);
1591             selectionToolbar
1592                 .css({left: this._margin.left + right, top: this._margin.top + this._contentHeight})
1593                 .show();
1594         } else
1595             selectionToolbar.hide();
1596     },
1597     actions: {
1598         zoom: function ()
1599         {
1600             this.sendAction('zoom', this._currentSelection());
1601             this.set('selection', null);
1602         },
1603         openRange: function (range)
1604         {
1605             this.sendAction('openRange', range);
1606         },
1607     },
1608 });
1609
1610
1611
1612 App.CommitsViewerComponent = Ember.Component.extend({
1613     repository: null,
1614     revisionInfo: null,
1615     commits: null,
1616     commitsChanged: function ()
1617     {
1618         var revisionInfo = this.get('revisionInfo');
1619
1620         var to = revisionInfo.get('currentRevision');
1621         var from = revisionInfo.get('previousRevision');
1622         var repository = this.get('repository');
1623         if (!from || !repository || !repository.get('hasReportedCommits'))
1624             return;
1625
1626         var self = this;
1627         CommitLogs.fetchForTimeRange(repository.get('id'), from, to).then(function (commits) {
1628             if (self.isDestroyed)
1629                 return;
1630             self.set('commits', commits.map(function (commit) {
1631                 return Ember.Object.create({
1632                     repository: repository,
1633                     revision: commit.revision,
1634                     url: repository.urlForRevision(commit.revision),
1635                     author: commit.authorName || commit.authorEmail,
1636                     message: commit.message ? commit.message.substr(0, 75) : null,
1637                 });
1638             }));
1639         }, function () {
1640             if (!self.isDestroyed)
1641                 self.set('commits', []);
1642         })
1643     }.observes('repository').observes('revisionInfo').on('init'),
1644 });
1645
1646
1647 App.AnalysisRoute = Ember.Route.extend({
1648     model: function () {
1649         return this.store.findAll('analysisTask').then(function (tasks) {
1650             return Ember.Object.create({'tasks': tasks});
1651         });
1652     },
1653 });
1654
1655 App.AnalysisTaskRoute = Ember.Route.extend({
1656     model: function (param) {
1657         return this.store.find('analysisTask', param.taskId).then(function (task) {
1658             return App.AnalysisTaskViewModel.create({content: task, store: store});
1659         });
1660     },
1661 });
1662
1663 App.AnalysisTaskViewModel = Ember.ObjectProxy.extend({
1664     testSets: [],
1665     roots: [],
1666     _taskUpdated: function ()
1667     {
1668         var platformId = this.get('platform').get('id');
1669         var metricId = this.get('metric').get('id');
1670         App.Manifest.fetchRunsWithPlatformAndMetric(this.get('store'), platformId, metricId).then(this._fetchedRuns.bind(this));
1671     }.observes('platform', 'metric').on('init'),
1672     _fetchedRuns: function (data) {
1673         var runs = data.runs;
1674
1675         var currentTimeSeries = runs.current.timeSeriesByCommitTime();
1676         if (!currentTimeSeries)
1677             return; // FIXME: Report an error.
1678
1679         var start = currentTimeSeries.findPointByMeasurementId(this.get('startRun'));
1680         var end = currentTimeSeries.findPointByMeasurementId(this.get('endRun'));
1681         if (!start || !end)
1682             return; // FIXME: Report an error.
1683
1684         var markedPoints = {};
1685         markedPoints[start.measurement.id()] = true;
1686         markedPoints[end.measurement.id()] = true;
1687
1688         var formatedPoints = currentTimeSeries.seriesBetweenPoints(start, end).map(function (point, index) {
1689             return {
1690                 id: point.measurement.id(),
1691                 measurement: point.measurement,
1692                 label: 'Point ' + (index + 1),
1693                 value: point.value + (runs.unit ? ' ' + runs.unit : ''),
1694             };
1695         });
1696
1697         var margin = (end.time - start.time) * 0.1;
1698         this.set('chartData', runs);
1699         this.set('chartDomain', [start.time - margin, +end.time + margin]);
1700         this.set('markedPoints', markedPoints);
1701         this.set('analysisPoints', formatedPoints);
1702     },
1703     testSets: function ()
1704     {
1705         var analysisPoints = this.get('analysisPoints');
1706         if (!analysisPoints)
1707             return;
1708         var pointOptions = [{value: ' ', label: 'None'}]
1709             .concat(analysisPoints.map(function (point) { return {value: point.id, label: point.label}; }));
1710         return [
1711             Ember.Object.create({name: "A", options: pointOptions, selection: pointOptions[1]}),
1712             Ember.Object.create({name: "B", options: pointOptions, selection: pointOptions[pointOptions.length - 1]}),
1713         ];
1714     }.property('analysisPoints'),
1715     _rootChangedForTestSet: function () {
1716         var sets = this.get('testSets');
1717         var roots = this.get('roots');
1718         if (!sets || !roots)
1719             return;
1720
1721         sets.forEach(function (testSet, setIndex) {
1722             var currentSelection = testSet.get('selection');
1723             if (currentSelection == testSet.get('previousSelection'))
1724                 return;
1725             testSet.set('previousSelection', currentSelection);
1726             var pointIndex = testSet.get('options').indexOf(currentSelection);
1727
1728             roots.forEach(function (root) {
1729                 var set = root.sets[setIndex];
1730                 set.set('selection', set.revisions[pointIndex]);
1731             });
1732         });
1733
1734     }.observes('testSets.@each.selection'),
1735     roots: function ()
1736     {
1737         var analysisPoints = this.get('analysisPoints');
1738         if (!analysisPoints)
1739             return [];
1740         var repositoryToRevisions = {};
1741         analysisPoints.forEach(function (point, pointIndex) {
1742             var revisions = point.measurement.formattedRevisions();
1743             for (var repositoryName in revisions) {
1744                 if (!repositoryToRevisions[repositoryName])
1745                     repositoryToRevisions[repositoryName] = new Array(analysisPoints.length);
1746                 var revision = revisions[repositoryName];
1747                 repositoryToRevisions[repositoryName][pointIndex] = {
1748                     label: point.label + ': ' + revision.label,
1749                     value: revision.currentRevision,
1750                 };
1751             }
1752         });
1753
1754         var roots = [];
1755         for (var repositoryName in repositoryToRevisions) {
1756             var revisions = [{value: ' ', label: 'None'}].concat(repositoryToRevisions[repositoryName]);
1757             roots.push(Ember.Object.create({
1758                 name: repositoryName,
1759                 sets: [
1760                     Ember.Object.create({name: 'A[' + repositoryName + ']',
1761                         revisions: revisions,
1762                         selection: revisions[1]}),
1763                     Ember.Object.create({name: 'B[' + repositoryName + ']',
1764                         revisions: revisions,
1765                         selection: revisions[revisions.length - 1]}),
1766                 ],
1767             }));
1768         }
1769         return roots;
1770     }.property('analysisPoints'),
1771 });