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