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angular-scroll-animate

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An Angular.js directive which allows you to perform any javascript actions (in the controller, or on the element) when an element is scrolled into, or out of, the users viewport, without any other dependencies.

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// Mock setTimeout, clearTimeout // Contributed by Pivotal Computer Systems, www.pivotalsf.com jasmine.FakeTimer = function() { this.reset(); var self = this; self.setTimeout = function(funcToCall, millis) { self.timeoutsMade++; self.scheduleFunction(self.timeoutsMade, funcToCall, millis, false); return self.timeoutsMade; }; self.setInterval = function(funcToCall, millis) { self.timeoutsMade++; self.scheduleFunction(self.timeoutsMade, funcToCall, millis, true); return self.timeoutsMade; }; self.clearTimeout = function(timeoutKey) { self.scheduledFunctions[timeoutKey] = jasmine.undefined; }; self.clearInterval = function(timeoutKey) { self.scheduledFunctions[timeoutKey] = jasmine.undefined; }; }; jasmine.FakeTimer.prototype.reset = function() { this.timeoutsMade = 0; this.scheduledFunctions = {}; this.nowMillis = 0; }; jasmine.FakeTimer.prototype.tick = function(millis) { var oldMillis = this.nowMillis; var newMillis = oldMillis + millis; this.runFunctionsWithinRange(oldMillis, newMillis); this.nowMillis = newMillis; }; jasmine.FakeTimer.prototype.runFunctionsWithinRange = function(oldMillis, nowMillis) { var scheduledFunc; var funcsToRun = []; for (var timeoutKey in this.scheduledFunctions) { scheduledFunc = this.scheduledFunctions[timeoutKey]; if (scheduledFunc != jasmine.undefined && scheduledFunc.runAtMillis >= oldMillis && scheduledFunc.runAtMillis <= nowMillis) { funcsToRun.push(scheduledFunc); this.scheduledFunctions[timeoutKey] = jasmine.undefined; } } if (funcsToRun.length > 0) { funcsToRun.sort(function(a, b) { return a.runAtMillis - b.runAtMillis; }); for (var i = 0; i < funcsToRun.length; ++i) { try { var funcToRun = funcsToRun[i]; this.nowMillis = funcToRun.runAtMillis; funcToRun.funcToCall(); if (funcToRun.recurring) { this.scheduleFunction(funcToRun.timeoutKey, funcToRun.funcToCall, funcToRun.millis, true); } } catch(e) { } } this.runFunctionsWithinRange(oldMillis, nowMillis); } }; jasmine.FakeTimer.prototype.scheduleFunction = function(timeoutKey, funcToCall, millis, recurring) { this.scheduledFunctions[timeoutKey] = { runAtMillis: this.nowMillis + millis, funcToCall: funcToCall, recurring: recurring, timeoutKey: timeoutKey, millis: millis }; }; /** * @namespace */ jasmine.Clock = { defaultFakeTimer: new jasmine.FakeTimer(), reset: function() { jasmine.Clock.assertInstalled(); jasmine.Clock.defaultFakeTimer.reset(); }, tick: function(millis) { jasmine.Clock.assertInstalled(); jasmine.Clock.defaultFakeTimer.tick(millis); }, runFunctionsWithinRange: function(oldMillis, nowMillis) { jasmine.Clock.defaultFakeTimer.runFunctionsWithinRange(oldMillis, nowMillis); }, scheduleFunction: function(timeoutKey, funcToCall, millis, recurring) { jasmine.Clock.defaultFakeTimer.scheduleFunction(timeoutKey, funcToCall, millis, recurring); }, useMock: function() { if (!jasmine.Clock.isInstalled()) { var spec = jasmine.getEnv().currentSpec; spec.after(jasmine.Clock.uninstallMock); jasmine.Clock.installMock(); } }, installMock: function() { jasmine.Clock.installed = jasmine.Clock.defaultFakeTimer; }, uninstallMock: function() { jasmine.Clock.assertInstalled(); jasmine.Clock.installed = jasmine.Clock.real; }, real: { setTimeout: jasmine.getGlobal().setTimeout, clearTimeout: jasmine.getGlobal().clearTimeout, setInterval: jasmine.getGlobal().setInterval, clearInterval: jasmine.getGlobal().clearInterval }, assertInstalled: function() { if (!jasmine.Clock.isInstalled()) { throw new Error("Mock clock is not installed, use jasmine.Clock.useMock()"); } }, isInstalled: function() { return jasmine.Clock.installed == jasmine.Clock.defaultFakeTimer; }, installed: null }; jasmine.Clock.installed = jasmine.Clock.real; //else for IE support jasmine.getGlobal().setTimeout = function(funcToCall, millis) { if (jasmine.Clock.installed.setTimeout.apply) { return jasmine.Clock.installed.setTimeout.apply(this, arguments); } else { return jasmine.Clock.installed.setTimeout(funcToCall, millis); } }; jasmine.getGlobal().setInterval = function(funcToCall, millis) { if (jasmine.Clock.installed.setInterval.apply) { return jasmine.Clock.installed.setInterval.apply(this, arguments); } else { return jasmine.Clock.installed.setInterval(funcToCall, millis); } }; jasmine.getGlobal().clearTimeout = function(timeoutKey) { if (jasmine.Clock.installed.clearTimeout.apply) { return jasmine.Clock.installed.clearTimeout.apply(this, arguments); } else { return jasmine.Clock.installed.clearTimeout(timeoutKey); } }; jasmine.getGlobal().clearInterval = function(timeoutKey) { if (jasmine.Clock.installed.clearTimeout.apply) { return jasmine.Clock.installed.clearInterval.apply(this, arguments); } else { return jasmine.Clock.installed.clearInterval(timeoutKey); } };