mirror of
https://github.com/element-hq/element-web.git
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dc5c0928b2
Check that it puts the read marker in the right place, and check that the animation works. ... all of which has been surprisingly painful.
420 lines
12 KiB
JavaScript
420 lines
12 KiB
JavaScript
/*
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Copyright (c) 2008-2015 Pivotal Labs
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/* This is jasmine's implementation of a mock clock, lifted from the depths of
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* jasmine-core and exposed as a standalone module. The interface is just the
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* same as that of jasmine.clock. For example:
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*
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* var mock_clock = require("mock-clock").clock();
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* mock_clock.install();
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* setTimeout(function() {
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* timerCallback();
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* }, 100);
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*
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* expect(timerCallback).not.toHaveBeenCalled();
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* mock_clock.tick(101);
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* expect(timerCallback).toHaveBeenCalled();
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*
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* mock_clock.uninstall();
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*
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*
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* The reason for C&Ping jasmine's clock here is that jasmine itself is
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* difficult to webpack, and we don't really want all of it. Sinon also has a
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* mock-clock implementation, but again, it is difficult to webpack.
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*/
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var j$ = {};
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j$.Clock = function () {
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function Clock(global, delayedFunctionSchedulerFactory, mockDate) {
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var self = this,
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realTimingFunctions = {
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setTimeout: global.setTimeout,
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clearTimeout: global.clearTimeout,
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setInterval: global.setInterval,
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clearInterval: global.clearInterval
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},
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fakeTimingFunctions = {
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setTimeout: setTimeout,
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clearTimeout: clearTimeout,
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setInterval: setInterval,
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clearInterval: clearInterval
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},
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installed = false,
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delayedFunctionScheduler,
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timer;
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self.install = function() {
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if(!originalTimingFunctionsIntact()) {
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throw new Error('Jasmine Clock was unable to install over custom global timer functions. Is the clock already installed?');
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}
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replace(global, fakeTimingFunctions);
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timer = fakeTimingFunctions;
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delayedFunctionScheduler = delayedFunctionSchedulerFactory();
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installed = true;
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return self;
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};
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self.uninstall = function() {
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delayedFunctionScheduler = null;
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mockDate.uninstall();
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replace(global, realTimingFunctions);
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timer = realTimingFunctions;
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installed = false;
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};
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self.withMock = function(closure) {
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this.install();
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try {
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closure();
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} finally {
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this.uninstall();
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}
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};
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self.mockDate = function(initialDate) {
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mockDate.install(initialDate);
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};
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self.setTimeout = function(fn, delay, params) {
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if (legacyIE()) {
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if (arguments.length > 2) {
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throw new Error('IE < 9 cannot support extra params to setTimeout without a polyfill');
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}
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return timer.setTimeout(fn, delay);
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}
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return Function.prototype.apply.apply(timer.setTimeout, [global, arguments]);
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};
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self.setInterval = function(fn, delay, params) {
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if (legacyIE()) {
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if (arguments.length > 2) {
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throw new Error('IE < 9 cannot support extra params to setInterval without a polyfill');
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}
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return timer.setInterval(fn, delay);
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}
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return Function.prototype.apply.apply(timer.setInterval, [global, arguments]);
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};
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self.clearTimeout = function(id) {
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return Function.prototype.call.apply(timer.clearTimeout, [global, id]);
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};
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self.clearInterval = function(id) {
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return Function.prototype.call.apply(timer.clearInterval, [global, id]);
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};
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self.tick = function(millis) {
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if (installed) {
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mockDate.tick(millis);
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delayedFunctionScheduler.tick(millis);
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} else {
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throw new Error('Mock clock is not installed, use jasmine.clock().install()');
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}
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};
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return self;
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function originalTimingFunctionsIntact() {
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return global.setTimeout === realTimingFunctions.setTimeout &&
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global.clearTimeout === realTimingFunctions.clearTimeout &&
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global.setInterval === realTimingFunctions.setInterval &&
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global.clearInterval === realTimingFunctions.clearInterval;
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}
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function legacyIE() {
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//if these methods are polyfilled, apply will be present
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return !(realTimingFunctions.setTimeout || realTimingFunctions.setInterval).apply;
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}
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function replace(dest, source) {
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for (var prop in source) {
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dest[prop] = source[prop];
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}
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}
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function setTimeout(fn, delay) {
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return delayedFunctionScheduler.scheduleFunction(fn, delay, argSlice(arguments, 2));
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}
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function clearTimeout(id) {
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return delayedFunctionScheduler.removeFunctionWithId(id);
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}
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function setInterval(fn, interval) {
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return delayedFunctionScheduler.scheduleFunction(fn, interval, argSlice(arguments, 2), true);
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}
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function clearInterval(id) {
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return delayedFunctionScheduler.removeFunctionWithId(id);
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}
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function argSlice(argsObj, n) {
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return Array.prototype.slice.call(argsObj, n);
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}
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}
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return Clock;
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}();
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j$.DelayedFunctionScheduler = function() {
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function DelayedFunctionScheduler() {
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var self = this;
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var scheduledLookup = [];
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var scheduledFunctions = {};
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var currentTime = 0;
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var delayedFnCount = 0;
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self.tick = function(millis) {
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millis = millis || 0;
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var endTime = currentTime + millis;
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runScheduledFunctions(endTime);
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currentTime = endTime;
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};
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self.scheduleFunction = function(funcToCall, millis, params, recurring, timeoutKey, runAtMillis) {
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var f;
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if (typeof(funcToCall) === 'string') {
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/* jshint evil: true */
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f = function() { return eval(funcToCall); };
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/* jshint evil: false */
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} else {
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f = funcToCall;
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}
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millis = millis || 0;
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timeoutKey = timeoutKey || ++delayedFnCount;
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runAtMillis = runAtMillis || (currentTime + millis);
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var funcToSchedule = {
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runAtMillis: runAtMillis,
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funcToCall: f,
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recurring: recurring,
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params: params,
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timeoutKey: timeoutKey,
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millis: millis
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};
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if (runAtMillis in scheduledFunctions) {
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scheduledFunctions[runAtMillis].push(funcToSchedule);
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} else {
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scheduledFunctions[runAtMillis] = [funcToSchedule];
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scheduledLookup.push(runAtMillis);
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scheduledLookup.sort(function (a, b) {
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return a - b;
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});
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}
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return timeoutKey;
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};
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self.removeFunctionWithId = function(timeoutKey) {
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for (var runAtMillis in scheduledFunctions) {
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var funcs = scheduledFunctions[runAtMillis];
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var i = indexOfFirstToPass(funcs, function (func) {
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return func.timeoutKey === timeoutKey;
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});
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if (i > -1) {
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if (funcs.length === 1) {
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delete scheduledFunctions[runAtMillis];
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deleteFromLookup(runAtMillis);
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} else {
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funcs.splice(i, 1);
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}
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// intervals get rescheduled when executed, so there's never more
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// than a single scheduled function with a given timeoutKey
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break;
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}
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}
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};
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return self;
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function indexOfFirstToPass(array, testFn) {
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var index = -1;
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for (var i = 0; i < array.length; ++i) {
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if (testFn(array[i])) {
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index = i;
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break;
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}
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}
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return index;
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}
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function deleteFromLookup(key) {
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var value = Number(key);
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var i = indexOfFirstToPass(scheduledLookup, function (millis) {
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return millis === value;
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});
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if (i > -1) {
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scheduledLookup.splice(i, 1);
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}
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}
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function reschedule(scheduledFn) {
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self.scheduleFunction(scheduledFn.funcToCall,
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scheduledFn.millis,
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scheduledFn.params,
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true,
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scheduledFn.timeoutKey,
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scheduledFn.runAtMillis + scheduledFn.millis);
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}
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function forEachFunction(funcsToRun, callback) {
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for (var i = 0; i < funcsToRun.length; ++i) {
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callback(funcsToRun[i]);
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}
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}
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function runScheduledFunctions(endTime) {
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if (scheduledLookup.length === 0 || scheduledLookup[0] > endTime) {
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return;
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}
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do {
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currentTime = scheduledLookup.shift();
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var funcsToRun = scheduledFunctions[currentTime];
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delete scheduledFunctions[currentTime];
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forEachFunction(funcsToRun, function(funcToRun) {
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if (funcToRun.recurring) {
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reschedule(funcToRun);
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}
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});
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forEachFunction(funcsToRun, function(funcToRun) {
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funcToRun.funcToCall.apply(null, funcToRun.params || []);
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});
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} while (scheduledLookup.length > 0 &&
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// checking first if we're out of time prevents setTimeout(0)
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// scheduled in a funcToRun from forcing an extra iteration
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currentTime !== endTime &&
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scheduledLookup[0] <= endTime);
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}
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}
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return DelayedFunctionScheduler;
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}();
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j$.MockDate = function() {
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function MockDate(global) {
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var self = this;
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var currentTime = 0;
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if (!global || !global.Date) {
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self.install = function() {};
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self.tick = function() {};
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self.uninstall = function() {};
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return self;
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}
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var GlobalDate = global.Date;
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self.install = function(mockDate) {
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if (mockDate instanceof GlobalDate) {
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currentTime = mockDate.getTime();
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} else {
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currentTime = new GlobalDate().getTime();
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}
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global.Date = FakeDate;
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};
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self.tick = function(millis) {
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millis = millis || 0;
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currentTime = currentTime + millis;
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};
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self.uninstall = function() {
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currentTime = 0;
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global.Date = GlobalDate;
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};
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createDateProperties();
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return self;
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function FakeDate() {
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switch(arguments.length) {
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case 0:
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return new GlobalDate(currentTime);
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case 1:
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return new GlobalDate(arguments[0]);
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case 2:
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return new GlobalDate(arguments[0], arguments[1]);
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case 3:
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return new GlobalDate(arguments[0], arguments[1], arguments[2]);
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case 4:
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return new GlobalDate(arguments[0], arguments[1], arguments[2], arguments[3]);
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case 5:
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return new GlobalDate(arguments[0], arguments[1], arguments[2], arguments[3],
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arguments[4]);
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case 6:
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return new GlobalDate(arguments[0], arguments[1], arguments[2], arguments[3],
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arguments[4], arguments[5]);
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default:
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return new GlobalDate(arguments[0], arguments[1], arguments[2], arguments[3],
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arguments[4], arguments[5], arguments[6]);
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}
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}
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function createDateProperties() {
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FakeDate.prototype = GlobalDate.prototype;
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FakeDate.now = function() {
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if (GlobalDate.now) {
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return currentTime;
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} else {
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throw new Error('Browser does not support Date.now()');
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}
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};
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FakeDate.toSource = GlobalDate.toSource;
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FakeDate.toString = GlobalDate.toString;
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FakeDate.parse = GlobalDate.parse;
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FakeDate.UTC = GlobalDate.UTC;
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}
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}
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return MockDate;
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}();
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var clock = new j$.Clock(global, function () { return new j$.DelayedFunctionScheduler(); }, new j$.MockDate(global));
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module.exports.clock = function() {
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return clock;
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}
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