e984286d0199737abb31771ef87b5dfa2bf709c5
[WebKit-https.git] / 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 });