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[])\r\n.provider('digestHud', ['$provide', function ($provide) {\r\n    'use strict';\r\n\r\n    function WatchTiming(key) {\r\n        this.key = key;\r\n        this.reset();\r\n    }\r\n\r\n    WatchTiming.prototype.reset = function () {\r\n        this.watch = 0;\r\n        this.handle = 0;\r\n        this.overhead = 0;\r\n        this.total = 0;\r\n        this.cycleTotal = 0;\r\n        this.cycleStart = null;\r\n        this.subTotal = 0;\r\n\r\n        if (summaryElement) summaryElement.text(\"No data\");\r\n    };\r\n\r\n    WatchTiming.prototype.startCycle = function (start) {\r\n        timingStack.push(this);\r\n        this.cycleStart = start;\r\n        this.cycleTotal = 0;\r\n        this.subTotal = 0;\r\n    };\r\n\r\n    WatchTiming.prototype.countTime = function (counter, duration) {\r\n        this[counter] += duration - this.subTotal;\r\n        this.cycleTotal += duration;\r\n        this.subTotal = 0;\r\n    };\r\n\r\n    WatchTiming.prototype.endCycle = function () {\r\n        if (!this.cycleStart) return;\r\n        var duration = Date.now() - this.cycleStart;\r\n        this.overhead += duration - this.cycleTotal;\r\n        this.cycleStart = null;\r\n        timingStack.pop();\r\n        if (timingStack.length) {\r\n            timingStack[timingStack.length - 1].subTotal += duration;\r\n        } else {\r\n            overheadTiming.overhead -= duration;\r\n        }\r\n    };\r\n\r\n    WatchTiming.prototype.sum = function () {\r\n        this.total = this.watch + this.handle + this.overhead;\r\n    };\r\n\r\n    WatchTiming.prototype.format = function (grandTotal) {\r\n        return percentage(this.total / grandTotal) + '\\u2003(' +\r\n            percentage(this.watch / grandTotal) + ' + ' +\r\n            percentage(this.handle / grandTotal) + ' + ' +\r\n            percentage(this.overhead / grandTotal) +\r\n            ')\\u2003' + this.key;\r\n    };\r\n\r\n    function flushTimingCycle() {\r\n        if (timingStack.length) timingStack[timingStack.length - 1].endCycle();\r\n    }\r\n\r\n    var digestTimings = [];\r\n    var watchTimings = {};\r\n    var timingStack;\r\n    var overheadTiming = createTiming('$$ng-overhead');\r\n    var digestHud = this;\r\n    var inDigest = false;\r\n    var hudElement;\r\n\r\n    var defaultHudPosition = 'bottom right';\r\n    var customHudPosition;\r\n    var $parse;\r\n    var summaryElement;\r\n\r\n    this.numTopWatches = 20;\r\n    this.numDigestStats = 25;\r\n\r\n    this.enable = function () {\r\n        var toggle = false;\r\n        var detailsText = '';\r\n\r\n        hudElement = $('<div></div>');\r\n        var buttonsElement = $(\r\n            '<div>' +\r\n            '<span id=\"digestHud-refresh\">refresh</span> &bull; ' +\r\n            '<span id=\"digestHud-reset\">reset</span> ' +\r\n            '</div>').appendTo(hudElement);\r\n        summaryElement = $('<div></div>').appendTo(hudElement);\r\n        var detailsElement = $('<div></div>').appendTo(hudElement);\r\n        var showDetails = false;\r\n        hudElement.on('click', function () {\r\n            showDetails = !showDetails;\r\n            buttonsElement.toggle(showDetails);\r\n            detailsElement.toggle(showDetails);\r\n            if (showDetails) refreshDetails();\r\n        });\r\n\r\n        hudElement.on('copy', function (ev) {\r\n            ev.originalEvent.clipboardData.setData('text/plain', detailsText);\r\n            ev.preventDefault();\r\n        });\r\n\r\n        buttonsElement.find('#digestHud-refresh').on('click', refreshDetails);\r\n        buttonsElement.find('#digestHud-reset').on('click', resetTimings);\r\n        buttonsElement.on('click', function (ev) { ev.stopPropagation(); });\r\n\r\n        hudElement.on('mousedown mouseup click', function (ev) { ev.stopPropagation(); });\r\n        hudElement.css({\r\n            position: 'fixed',\r\n            backgroundColor: 'rgba(0, 0, 0, 0.65)',\r\n            color: 'white',\r\n            padding: '2px 5px',\r\n            fontSize: 'small',\r\n            cursor: 'default',\r\n            zIndex: '1000000'\r\n        });\r\n\r\n        this.setHudPosition(customHudPosition || defaultHudPosition);\r\n\r\n        buttonsElement.css({\r\n            float: 'right',\r\n            display: 'none'\r\n        });\r\n        buttonsElement.children().css({\r\n            cursor: 'pointer'\r\n        });\r\n        detailsElement.css({\r\n            whiteSpace: 'pre',\r\n            minWidth: '30em',\r\n            maxWidth: '50em',\r\n            display: 'none'\r\n        });\r\n        $('body').append(hudElement);\r\n\r\n        function refreshDetails() {\r\n            var grandTotal = 0, topTotal = 0;\r\n\r\n            var topWatchTimings = Object.keys(watchTimings).map(function (k) {\r\n                return watchTimings[k];\r\n            }).map(function (timing) {\r\n                timing.sum(); grandTotal += timing.total;\r\n                return timing;\r\n            }).sort(function (a, b) {\r\n                var x = a.total; var y = b.total;\r\n                return ((x < y) ? 1 : ((x > y) ? -1 : 0));\r\n            }).slice(0, digestHud.numTopWatches);\r\n\r\n            var lines = topWatchTimings.map(function (timing) {\r\n                topTotal += timing.total;\r\n                return timing.format(grandTotal);\r\n            });\r\n            var rows = lines.map(function (text) {\r\n                var row = $('<div></div>');\r\n                row.css({\r\n                    overflow: 'hidden',\r\n                    textOverflow: 'ellipsis'\r\n                });\r\n                row.text(text.replace(/[ \\n]+/g, ' '));\r\n                row.attr('title', text.slice(29));\r\n                return row;\r\n            });\r\n            detailsElement.empty();\r\n            $('<div>\\u2007Total\\u2007\\u2007\\u2007Watch\\u2007Work\\u2007Overhead\\u2007\\u2007Function</div>')\r\n                .css({ borderBottom: '1px solid' }).appendTo(detailsElement);\r\n            detailsElement.append(rows);\r\n            var footer = 'Top ' + topWatchTimings.length + ' items account for ' +\r\n                percentage(topTotal / grandTotal) + ' of ' + grandTotal + 'ms of digest processing time.';\r\n            $('<div></div>').text(footer).appendTo(detailsElement);\r\n            detailsText = 'Total  Watch   Work Overhead  Function\\n' + lines.map(function (text) {\r\n                return text.replace(/[ \\n]+/g, ' ');\r\n            }).join('\\n') + '\\n' + footer + '\\n';\r\n        }\r\n\r\n        function resetTimings() {\r\n            digestTimings = [];\r\n\r\n            Object.keys(watchTimings).map(function (k) {\r\n                return watchTimings[k];\r\n            }).forEach(function (watchTiming) {\r\n                watchTiming.reset();\r\n            });\r\n        }\r\n\r\n        $provide.decorator('$rootScope', ['$delegate', function ($delegate) {\r\n            var proto = Object.getPrototypeOf($delegate);\r\n            var originalDigest = proto.$digest;\r\n            var originalEvalAsync = proto.$evalAsync;\r\n            var originalApplyAsync = proto.$applyAsync;\r\n            var originalPostDigest = proto.$$postDigest;\r\n            var originalWatch = proto.$watch;\r\n            var originalWatchGroup = proto.$watchGroup;\r\n            // $watchCollection delegates to $watch, no extra processing necessary\r\n            proto.$digest = instrumentedDigest;\r\n            proto.$evalAsync = instrumentedEvalAsync;\r\n            proto.$applyAsync = instrumentedApplyAsync;\r\n            proto.$$postDigest = instrumentedPostDigest;\r\n            proto.$watch = instrumentedWatch;\r\n            proto.$watchGroup = instrumentedWatchGroup;\r\n\r\n            var watchTiming;\r\n\r\n            function instrumentedDigest() {\r\n                // jshint validthis:true\r\n                timingStack = [];\r\n                this.$$postDigest(flushTimingCycle);\r\n                var start = Date.now();\r\n                inDigest = true;\r\n                try {\r\n                    originalDigest.call(this);\r\n                } finally {\r\n                    inDigest = false;\r\n                }\r\n                var duration = Date.now() - start;\r\n                overheadTiming.overhead += duration;\r\n                toggle = !toggle;\r\n                digestTimings.push(duration);\r\n                if (digestTimings.length > digestHud.numDigestStats) digestTimings.shift();\r\n                var len = digestTimings.length;\r\n                var sorted = digestTimings.slice().sort(function (a, b) { return a - b; });\r\n                var median = len % 2 ?\r\n                    sorted[(len - 1) / 2] : Math.round((sorted[len / 2] + sorted[len / 2 - 1]) / 2);\r\n                var description =\r\n                    'digests stats ' + len + ': ' + sorted[0] + 'ms ' + median + 'ms ' + sorted[len - 1] + 'ms ' +\r\n                    (toggle ? '\\u25cf' : '\\u25cb');\r\n\r\n                for (var i = Math.min(5, len) - 1; i >= 0; i--) description += \" \" + digestTimings[i] + \"ms\";\r\n\r\n                summaryElement.text(description);\r\n            }\r\n\r\n            function instrumentedEvalAsync(expression, locals) {\r\n                // jshint validthis:true\r\n                var timing = createTiming('$evalAsync(' + formatExpression(expression) + ')');\r\n                originalEvalAsync.call(\r\n                    this, wrapExpression(expression, timing, 'handle', true, true), locals);\r\n            }\r\n\r\n            function instrumentedApplyAsync(expression) {\r\n                // jshint validthis:true\r\n                var timing = createTiming('$applyAsync(' + formatExpression(expression) + ')');\r\n                originalApplyAsync.call(this, wrapExpression(expression, timing, 'handle', false, true));\r\n            }\r\n\r\n            function instrumentedPostDigest(fn) {\r\n                // jshint validthis:true\r\n                if (timingStack.length) {\r\n                    fn = wrapExpression(fn, timingStack[timingStack.length - 1], 'overhead', true, true);\r\n                }\r\n                originalPostDigest.call(this, fn);\r\n            }\r\n\r\n            function instrumentedWatch(watchExpression, listener, objectEquality) {\r\n                // jshint validthis:true\r\n                var watchTimingSet = false;\r\n                if (!watchTiming) {\r\n                    // Capture watch timing (and its key) once, before we descend in $$watchDelegates.\r\n                    watchTiming = createTiming(formatExpression(watchExpression));\r\n                    watchTimingSet = true;\r\n                }\r\n                try {\r\n                    if (angular.isString(watchExpression)) {\r\n                        if (!$parse) {\r\n                            angular.injector(['ng']).invoke(['$parse', function (parse) { $parse = parse; }]);\r\n                        }\r\n                        watchExpression = $parse(watchExpression);\r\n                    }\r\n                    if (watchExpression && watchExpression.$$watchDelegate) {\r\n                        return originalWatch.call(this, watchExpression, listener, objectEquality);\r\n                    } else {\r\n                        return originalWatch.call(\r\n                            this, wrapExpression(watchExpression, watchTiming, 'watch', true, false),\r\n                            wrapListener(listener, watchTiming), objectEquality);\r\n                    }\r\n                } finally {\r\n                    if (watchTimingSet) watchTiming = null;\r\n                }\r\n            }\r\n\r\n            function instrumentedWatchGroup(watchExpressions, listener) {\r\n                // jshint validthis:true\r\n                var watchTimingSet = false;\r\n                if (!watchTiming) {\r\n                    // $watchGroup delegates to $watch for each expression, so just make sure to set the group's\r\n                    // aggregate key as the override first.\r\n                    watchTiming = createTiming(\r\n                        '[' + watchExpressions.map(formatExpression).join(', ') + ']');\r\n                    watchTimingSet = true;\r\n                }\r\n                try {\r\n                    return originalWatchGroup.call(this, watchExpressions, listener);\r\n                } finally {\r\n                    if (watchTimingSet) watchTiming = null;\r\n                }\r\n            }\r\n\r\n            return $delegate;\r\n        }]);\r\n\r\n        $provide.decorator('$parse', ['$delegate', function ($delegate) {\r\n            return function (expression) {\r\n                var result = $delegate.apply(this, arguments);\r\n                if (angular.isString(expression)) result.exp = expression;\r\n                return result;\r\n            };\r\n        }]);\r\n\r\n        $provide.decorator('$q', ['$delegate', function ($delegate) {\r\n            var proto = Object.getPrototypeOf($delegate.defer().promise);\r\n            var originalThen = proto.then;\r\n            var originalFinally = proto.finally;\r\n            proto.then = instrumentedThen;\r\n            proto.finally = instrumentedFinally;\r\n\r\n            function instrumentedThen(onFulfilled, onRejected, progressBack) {\r\n                // jshint validthis:true\r\n                return originalThen.call(\r\n                    this,\r\n                    wrapExpression(\r\n                    onFulfilled, createTiming('$q(' + formatExpression(onFulfilled) + ')'), 'handle',\r\n                    false, true),\r\n                    wrapExpression(\r\n                    onRejected, createTiming('$q(' + formatExpression(onRejected) + ')'), 'handle',\r\n                    false, true),\r\n                    wrapExpression(\r\n                    progressBack, createTiming('$q(' + formatExpression(progressBack) + ')'), 'handle',\r\n                    false, true)\r\n                );\r\n            }\r\n\r\n            function instrumentedFinally(callback, progressBack) {\r\n                // jshint validthis:true\r\n                return originalFinally.call(\r\n                    this,\r\n                    wrapExpression(\r\n                    callback, createTiming('$q(' + formatExpression(callback) + ')'), 'handle',\r\n                    false, true),\r\n                    wrapExpression(\r\n                    progressBack, createTiming('$q(' + formatExpression(callback) + ')'), 'handle',\r\n                    false, true)\r\n                );\r\n            }\r\n\r\n            return $delegate;\r\n        }]);\r\n\r\n        var originalBind = angular.bind;\r\n        angular.bind = function (self, fn, args) {\r\n            var result = originalBind.apply(this, arguments);\r\n            result.exp = formatExpression(fn);\r\n            return result;\r\n        };\r\n    };\r\n\r\n    this.clearSummaryStats = function () {\r\n        if (summaryElement) summaryElement.text(\"No data\");\r\n    };\r\n\r\n    this.setHudPosition = function (position) {\r\n        if (hudElement) {\r\n            // reset all to defaults\r\n            var styles = {\r\n                top: 'auto',\r\n                right: 'auto',\r\n                bottom: 'auto',\r\n                left: 'auto'\r\n            };\r\n            position = position ? '' + position : defaultHudPosition;\r\n            position.split(' ').map(function (prop) { styles[prop] = 0; });\r\n            hudElement.css(styles);\r\n        } else {\r\n            // save and apply on enabled\r\n            customHudPosition = position;\r\n        }\r\n    };\r\n\r\n    function percentage(value) {\r\n        if (value >= 1) return (value * 100).toFixed(1) + '%';\r\n        return ('\\u2007\\u2007' + (value * 100).toFixed(1) + '%').slice(-5);\r\n    }\r\n\r\n    function formatExpression(watchExpression) {\r\n        if (!watchExpression) return '';\r\n        if (angular.isString(watchExpression)) return watchExpression;\r\n        if (angular.isString(watchExpression.exp)) return watchExpression.exp;\r\n        if (watchExpression.name) return 'function ' + watchExpression.name + '() {\\u2026}';\r\n        return watchExpression.toString();\r\n    }\r\n\r\n    function wrapExpression(expression, timing, counter, flushCycle, endCycle) {\r\n        if (!expression && !flushCycle) return expression;\r\n        if (!$parse) angular.injector(['ng']).invoke(['$parse', function (parse) { $parse = parse; }]);\r\n        var actualExpression = angular.isString(expression) ? $parse(expression) : expression;\r\n        return function instrumentedExpression() {\r\n            if (flushCycle) flushTimingCycle();\r\n            if (!actualExpression) return;\r\n            if (!inDigest) return actualExpression.apply(this, arguments);\r\n            var start = Date.now();\r\n            timing.startCycle(start);\r\n            try {\r\n                return actualExpression.apply(this, arguments);\r\n            } finally {\r\n                timing.countTime(counter, Date.now() - start);\r\n                if (endCycle) timing.endCycle();\r\n            }\r\n        };\r\n    }\r\n\r\n    function wrapListener(listener, timing) {\r\n        if (!listener) return listener;\r\n        return function instrumentedListener() {\r\n            var start = Date.now();\r\n            try {\r\n                return listener.apply(this, arguments);\r\n            } finally {\r\n                timing.countTime('handle', Date.now() - start);\r\n            }\r\n        };\r\n    }\r\n\r\n    function createTiming(key) {\r\n        var timing = watchTimings[key];\r\n        if (!timing) timing = watchTimings[key] = new WatchTiming(key);\r\n        return timing;\r\n    }\r\n\r\n    this.$get = function () { };\r\n}]);"],"sourceRoot":"/source/"}