mirror of
https://github.com/element-hq/element-web.git
synced 2024-12-10 14:13:31 +03:00
d3f9a3aeb5
Fixing 1000s of lint issues. Some rules cannot be `--fix`ed but this goes some way to linting the entire codebase.
280 lines
9 KiB
JavaScript
280 lines
9 KiB
JavaScript
/*
|
|
Copyright 2016 OpenMarket Ltd
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
const React = require('react');
|
|
const ReactDOM = require("react-dom");
|
|
const ReactTestUtils = require('react-addons-test-utils');
|
|
const expect = require('expect');
|
|
import Promise from 'bluebird';
|
|
|
|
const sdk = require('matrix-react-sdk');
|
|
|
|
const ScrollPanel = sdk.getComponent('structures.ScrollPanel');
|
|
const test_utils = require('test-utils');
|
|
|
|
const Tester = React.createClass({
|
|
getInitialState: function() {
|
|
return {
|
|
tileKeys: [],
|
|
};
|
|
},
|
|
|
|
componentWillMount: function() {
|
|
this.fillCounts = {'b': 0, 'f': 0};
|
|
this._fillHandlers = {'b': null, 'f': null};
|
|
this._fillDefers = {'b': null, 'f': null};
|
|
this._scrollDefer = null;
|
|
|
|
// scrollTop at the last scroll event
|
|
this.lastScrollEvent = null;
|
|
},
|
|
|
|
_onFillRequest: function(back) {
|
|
const dir = back ? 'b': 'f';
|
|
console.log("FillRequest: " + dir);
|
|
this.fillCounts[dir]++;
|
|
|
|
const handler = this._fillHandlers[dir];
|
|
const defer = this._fillDefers[dir];
|
|
|
|
// don't use the same handler twice
|
|
this._fillHandlers[dir] = null;
|
|
this._fillDefers[dir] = null;
|
|
|
|
let res;
|
|
if (handler) {
|
|
res = handler();
|
|
} else {
|
|
res = Promise.resolve(false);
|
|
}
|
|
|
|
if (defer) {
|
|
defer.resolve();
|
|
}
|
|
return res;
|
|
},
|
|
|
|
addFillHandler: function(dir, handler) {
|
|
this._fillHandlers[dir] = handler;
|
|
},
|
|
|
|
/* returns a promise which will resolve when the fill happens */
|
|
awaitFill: function(dir) {
|
|
console.log("ScrollPanel Tester: awaiting " + dir + " fill");
|
|
const defer = Promise.defer();
|
|
this._fillDefers[dir] = defer;
|
|
return defer.promise;
|
|
},
|
|
|
|
_onScroll: function(ev) {
|
|
const st = ev.target.scrollTop;
|
|
console.log("ScrollPanel Tester: scroll event; scrollTop: " + st);
|
|
this.lastScrollEvent = st;
|
|
|
|
const d = this._scrollDefer;
|
|
if (d) {
|
|
this._scrollDefer = null;
|
|
d.resolve();
|
|
}
|
|
},
|
|
|
|
/* returns a promise which will resolve when a scroll event happens */
|
|
awaitScroll: function() {
|
|
console.log("Awaiting scroll");
|
|
this._scrollDefer = Promise.defer();
|
|
return this._scrollDefer.promise;
|
|
},
|
|
|
|
setTileKeys: function(keys) {
|
|
console.log("Updating keys: len=" + keys.length);
|
|
this.setState({tileKeys: keys.slice()});
|
|
},
|
|
|
|
scrollPanel: function() {
|
|
return this.refs.sp;
|
|
},
|
|
|
|
_mkTile: function(key) {
|
|
// each tile is 150 pixels high:
|
|
// 98 pixels of body
|
|
// 2 pixels of border
|
|
// 50 pixels of margin
|
|
//
|
|
// there is an extra 50 pixels of margin at the bottom.
|
|
return (
|
|
<li key={key} data-scroll-tokens={key}>
|
|
<div style={{height: '98px', margin: '50px', border: '1px solid black',
|
|
backgroundColor: '#fff8dc' }}>
|
|
{ key }
|
|
</div>
|
|
</li>
|
|
);
|
|
},
|
|
|
|
render: function() {
|
|
const tiles = this.state.tileKeys.map(this._mkTile);
|
|
console.log("rendering with " + tiles.length + " tiles");
|
|
return (
|
|
<ScrollPanel ref="sp"
|
|
onScroll={this._onScroll}
|
|
onFillRequest={this._onFillRequest}>
|
|
{ tiles }
|
|
</ScrollPanel>
|
|
);
|
|
},
|
|
});
|
|
|
|
describe('ScrollPanel', function() {
|
|
let parentDiv;
|
|
let tester;
|
|
let scrollingDiv;
|
|
|
|
beforeEach(function(done) {
|
|
test_utils.beforeEach(this);
|
|
|
|
// create a div of a useful size to put our panel in, and attach it to
|
|
// the document so that we can interact with it properly.
|
|
parentDiv = document.createElement('div');
|
|
parentDiv.style.width = '800px';
|
|
parentDiv.style.height = '600px';
|
|
parentDiv.style.overflow = 'hidden';
|
|
document.body.appendChild(parentDiv);
|
|
|
|
tester = ReactDOM.render(<Tester />, parentDiv);
|
|
expect(tester.fillCounts.b).toEqual(1);
|
|
expect(tester.fillCounts.f).toEqual(1);
|
|
|
|
scrollingDiv = ReactTestUtils.findRenderedDOMComponentWithClass(
|
|
tester, "gm-scroll-view");
|
|
|
|
// we need to make sure we don't call done() until q has finished
|
|
// running the completion handlers from the fill requests. We can't
|
|
// just use .done(), because that will end up ahead of those handlers
|
|
// in the queue. We can't use window.setTimeout(0), because that also might
|
|
// run ahead of those handlers.
|
|
const sp = tester.scrollPanel();
|
|
let retriesRemaining = 1;
|
|
const awaitReady = function() {
|
|
return Promise.resolve().then(() => {
|
|
if (sp._pendingFillRequests.b === false &&
|
|
sp._pendingFillRequests.f === false
|
|
) {
|
|
return;
|
|
}
|
|
|
|
if (retriesRemaining == 0) {
|
|
throw new Error("fillRequests did not complete");
|
|
}
|
|
retriesRemaining--;
|
|
return awaitReady();
|
|
});
|
|
};
|
|
awaitReady().done(done);
|
|
});
|
|
|
|
afterEach(function() {
|
|
if (parentDiv) {
|
|
document.body.removeChild(parentDiv);
|
|
parentDiv = null;
|
|
}
|
|
});
|
|
|
|
it('should handle scrollEvent strangeness', function() {
|
|
const events = [];
|
|
|
|
return Promise.resolve().then(() => {
|
|
// initialise with a load of events
|
|
for (let i = 0; i < 20; i++) {
|
|
events.push(i+80);
|
|
}
|
|
tester.setTileKeys(events);
|
|
expect(scrollingDiv.scrollHeight).toEqual(3050); // 20*150 + 50
|
|
expect(scrollingDiv.scrollTop).toEqual(3050 - 600);
|
|
return tester.awaitScroll();
|
|
}).then(() => {
|
|
expect(tester.lastScrollEvent).toBe(3050 - 600);
|
|
|
|
tester.scrollPanel().scrollToToken("92", 0);
|
|
|
|
// at this point, ScrollPanel will have updated scrollTop, but
|
|
// the event hasn't fired.
|
|
expect(tester.lastScrollEvent).toEqual(3050 - 600);
|
|
expect(scrollingDiv.scrollTop).toEqual(1950);
|
|
|
|
// now stamp over the scrollTop.
|
|
console.log('faking #528');
|
|
scrollingDiv.scrollTop = 500;
|
|
|
|
return tester.awaitScroll();
|
|
}).then(() => {
|
|
expect(tester.lastScrollEvent).toBe(1950);
|
|
expect(scrollingDiv.scrollTop).toEqual(1950);
|
|
});
|
|
});
|
|
|
|
it('should not get stuck in #528 workaround', function(done) {
|
|
let events = [];
|
|
Promise.resolve().then(() => {
|
|
// initialise with a bunch of events
|
|
for (let i = 0; i < 40; i++) {
|
|
events.push(i);
|
|
}
|
|
tester.setTileKeys(events);
|
|
expect(tester.fillCounts.b).toEqual(1);
|
|
expect(tester.fillCounts.f).toEqual(2);
|
|
expect(scrollingDiv.scrollHeight).toEqual(6050); // 40*150 + 50
|
|
expect(scrollingDiv.scrollTop).toEqual(6050 - 600);
|
|
|
|
// try to scroll up, to a non-integer offset.
|
|
tester.scrollPanel().scrollToToken("30", -101/3);
|
|
|
|
expect(scrollingDiv.scrollTop).toEqual(4616); // 31*150 - 34
|
|
|
|
// wait for the scroll event to land
|
|
return tester.awaitScroll(); // fails
|
|
}).then(() => {
|
|
expect(tester.lastScrollEvent).toEqual(4616);
|
|
|
|
// Now one more event; this will make it reset the scroll, but
|
|
// because the delta will be less than 1, will not trigger a
|
|
// scroll event, this leaving recentEventScroll defined.
|
|
console.log("Adding event 50");
|
|
events.push(50);
|
|
tester.setTileKeys(events);
|
|
|
|
// wait for the scrollpanel to stop trying to paginate
|
|
}).then(() => {
|
|
// Now, simulate hitting "scroll to bottom".
|
|
events = [];
|
|
for (let i = 100; i < 120; i++) {
|
|
events.push(i);
|
|
}
|
|
tester.setTileKeys(events);
|
|
tester.scrollPanel().scrollToBottom();
|
|
|
|
// wait for the scroll event to land
|
|
return tester.awaitScroll(); // fails
|
|
}).then(() => {
|
|
expect(scrollingDiv.scrollTop).toEqual(20*150 + 50 - 600);
|
|
|
|
// simulate a user-initiated scroll on the div
|
|
scrollingDiv.scrollTop = 1200;
|
|
return tester.awaitScroll();
|
|
}).then(() => {
|
|
expect(scrollingDiv.scrollTop).toEqual(1200);
|
|
}).done(done);
|
|
});
|
|
});
|