-
Notifications
You must be signed in to change notification settings - Fork 1.5k
/
Chat.tsx
399 lines (337 loc) · 14.7 KB
/
Chat.tsx
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
import * as React from 'react';
import { findDOMNode } from 'react-dom';
import { BehaviorSubject } from 'rxjs/BehaviorSubject';
import { Observable } from 'rxjs/Observable';
import { Subscription } from 'rxjs/Subscription';
import { Activity, IBotConnection, User, DirectLine, DirectLineOptions, CardActionTypes } from 'botframework-directlinejs';
import { createStore, ChatActions, sendMessage } from './Store';
import { Provider } from 'react-redux';
import { SpeechOptions } from './SpeechOptions';
import { Speech } from './SpeechModule';
import { ActivityOrID, FormatOptions } from './Types';
import * as konsole from './Konsole';
import { getTabIndex } from './getTabIndex';
export interface ChatProps {
adaptiveCardsHostConfig: any,
chatTitle?: boolean | string,
user: User,
bot: User,
botConnection?: IBotConnection,
directLine?: DirectLineOptions,
speechOptions?: SpeechOptions,
locale?: string,
selectedActivity?: BehaviorSubject<ActivityOrID>,
sendTyping?: boolean,
showUploadButton?: boolean,
formatOptions?: FormatOptions,
resize?: 'none' | 'window' | 'detect'
}
import { History } from './History';
import { MessagePane } from './MessagePane';
import { Shell, ShellFunctions } from './Shell';
export class Chat extends React.Component<ChatProps, {}> {
private store = createStore();
private botConnection: IBotConnection;
private activitySubscription: Subscription;
private connectionStatusSubscription: Subscription;
private selectedActivitySubscription: Subscription;
private shellRef: React.Component & ShellFunctions;
private historyRef: React.Component;
private chatviewPanelRef: HTMLElement;
private resizeListener = () => this.setSize();
private _handleCardAction = this.handleCardAction.bind(this);
private _handleKeyDownCapture = this.handleKeyDownCapture.bind(this);
private _saveChatviewPanelRef = this.saveChatviewPanelRef.bind(this);
private _saveHistoryRef = this.saveHistoryRef.bind(this);
private _saveShellRef = this.saveShellRef.bind(this);
constructor(props: ChatProps) {
super(props);
konsole.log("BotChat.Chat props", props);
this.store.dispatch<ChatActions>({
type: 'Set_Locale',
locale: props.locale || (window.navigator as any)["userLanguage"] || window.navigator.language || 'en'
});
if (props.adaptiveCardsHostConfig) {
this.store.dispatch<ChatActions>({
type: 'Set_AdaptiveCardsHostConfig',
payload: props.adaptiveCardsHostConfig
});
}
let { chatTitle } = props;
if (props.formatOptions) {
console.warn('DEPRECATED: "formatOptions.showHeader" is deprecated, use "chatTitle" instead. See https://github.com/Microsoft/BotFramework-WebChat/blob/master/CHANGELOG.md#formatoptionsshowheader-is-deprecated-use-chattitle-instead.');
if (typeof props.formatOptions.showHeader !== 'undefined' && typeof props.chatTitle === 'undefined') {
chatTitle = props.formatOptions.showHeader;
}
}
if (typeof chatTitle !== 'undefined') {
this.store.dispatch<ChatActions>({ type: 'Set_Chat_Title', chatTitle });
}
this.store.dispatch<ChatActions>({ type: 'Toggle_Upload_Button', showUploadButton: props.showUploadButton !== false });
if (props.sendTyping) {
this.store.dispatch<ChatActions>({ type: 'Set_Send_Typing', sendTyping: props.sendTyping });
}
if (props.speechOptions) {
Speech.SpeechRecognizer.setSpeechRecognizer(props.speechOptions.speechRecognizer);
Speech.SpeechSynthesizer.setSpeechSynthesizer(props.speechOptions.speechSynthesizer);
}
}
private handleIncomingActivity(activity: Activity) {
let state = this.store.getState();
switch (activity.type) {
case "message":
this.store.dispatch<ChatActions>({ type: activity.from.id === state.connection.user.id ? 'Receive_Sent_Message' : 'Receive_Message', activity });
break;
case "typing":
if (activity.from.id !== state.connection.user.id)
this.store.dispatch<ChatActions>({ type: 'Show_Typing', activity });
break;
}
}
private setSize() {
this.store.dispatch<ChatActions>({
type: 'Set_Size',
width: this.chatviewPanelRef.offsetWidth,
height: this.chatviewPanelRef.offsetHeight
});
}
private handleCardAction() {
// After the user click on any card action, we will "blur" the focus, by setting focus on message pane
// This is for after click on card action, the user press "A", it should go into the chat box
const historyDOM = findDOMNode(this.historyRef) as HTMLElement;
if (historyDOM) {
historyDOM.focus();
}
}
private handleKeyDownCapture(evt: React.KeyboardEvent<HTMLDivElement>) {
const target = evt.target as HTMLElement;
const tabIndex = getTabIndex(target);
if (
evt.altKey
|| evt.ctrlKey
|| evt.metaKey
|| (!inputtableKey(evt.key) && evt.key !== 'Backspace')
) {
// Ignore if one of the utility key (except SHIFT) is pressed
// E.g. CTRL-C on a link in one of the message should not jump to chat box
// E.g. "A" or "Backspace" should jump to chat box
return;
}
if (
target === findDOMNode(this.historyRef)
|| typeof tabIndex !== 'number'
|| tabIndex < 0
) {
evt.stopPropagation();
let key: string;
// Quirks: onKeyDown we re-focus, but the newly focused element does not receive the subsequent onKeyPress event
// It is working in Chrome/Firefox/IE, confirmed not working in Edge/16
// So we are manually appending the key if they can be inputted in the box
if (/(^|\s)Edge\/16\./.test(navigator.userAgent)) {
key = inputtableKey(evt.key);
}
this.shellRef.focus(key);
}
}
private saveChatviewPanelRef(chatviewPanelRef: HTMLElement) {
this.chatviewPanelRef = chatviewPanelRef;
}
private saveHistoryRef(historyWrapper: any) {
this.historyRef = historyWrapper && historyWrapper.getWrappedInstance();
}
private saveShellRef(shellWrapper: any) {
this.shellRef = shellWrapper && shellWrapper.getWrappedInstance();
}
componentDidMount() {
// Now that we're mounted, we know our dimensions. Put them in the store (this will force a re-render)
this.setSize();
const botConnection = this.props.directLine
? (this.botConnection = new DirectLine(this.props.directLine))
: this.props.botConnection
;
if (this.props.resize === 'window')
window.addEventListener('resize', this.resizeListener);
this.store.dispatch<ChatActions>({ type: 'Start_Connection', user: this.props.user, bot: this.props.bot, botConnection, selectedActivity: this.props.selectedActivity });
this.connectionStatusSubscription = botConnection.connectionStatus$.subscribe(connectionStatus =>{
if(this.props.speechOptions && this.props.speechOptions.speechRecognizer){
let refGrammarId = botConnection.referenceGrammarId;
if(refGrammarId)
this.props.speechOptions.speechRecognizer.referenceGrammarId = refGrammarId;
}
this.store.dispatch<ChatActions>({ type: 'Connection_Change', connectionStatus })
}
);
this.activitySubscription = botConnection.activity$.subscribe(
activity => this.handleIncomingActivity(activity),
error => konsole.log("activity$ error", error)
);
if (this.props.selectedActivity) {
this.selectedActivitySubscription = this.props.selectedActivity.subscribe(activityOrID => {
this.store.dispatch<ChatActions>({
type: 'Select_Activity',
selectedActivity: activityOrID.activity || this.store.getState().history.activities.find(activity => activity.id === activityOrID.id)
});
});
}
}
componentWillUnmount() {
this.connectionStatusSubscription.unsubscribe();
this.activitySubscription.unsubscribe();
if (this.selectedActivitySubscription)
this.selectedActivitySubscription.unsubscribe();
if (this.botConnection)
this.botConnection.end();
window.removeEventListener('resize', this.resizeListener);
}
componentWillReceiveProps(nextProps: ChatProps) {
if (this.props.adaptiveCardsHostConfig !== nextProps.adaptiveCardsHostConfig) {
this.store.dispatch<ChatActions>({
type: 'Set_AdaptiveCardsHostConfig',
payload: nextProps.adaptiveCardsHostConfig
});
}
if (this.props.showUploadButton !== nextProps.showUploadButton) {
this.store.dispatch<ChatActions>({
type: 'Toggle_Upload_Button',
showUploadButton: nextProps.showUploadButton
});
}
if (this.props.chatTitle !== nextProps.chatTitle) {
this.store.dispatch<ChatActions>({
type: 'Set_Chat_Title',
chatTitle: nextProps.chatTitle
});
}
}
// At startup we do three render passes:
// 1. To determine the dimensions of the chat panel (nothing needs to actually render here, so we don't)
// 2. To determine the margins of any given carousel (we just render one mock activity so that we can measure it)
// 3. (this is also the normal re-render case) To render without the mock activity
render() {
const state = this.store.getState();
konsole.log("BotChat.Chat state", state);
// only render real stuff after we know our dimensions
return (
<Provider store={ this.store }>
<div
className="wc-chatview-panel"
onKeyDownCapture={ this._handleKeyDownCapture }
ref={ this._saveChatviewPanelRef }
>
{
!!state.format.chatTitle &&
<div className="wc-header">
<span>{ typeof state.format.chatTitle === 'string' ? state.format.chatTitle : state.format.strings.title }</span>
</div>
}
<MessagePane>
<History
onCardAction={ this._handleCardAction }
ref={ this._saveHistoryRef }
/>
</MessagePane>
<Shell ref={ this._saveShellRef } />
{
this.props.resize === 'detect' &&
<ResizeDetector onresize={ this.resizeListener } />
}
</div>
</Provider>
);
}
}
export interface IDoCardAction {
(type: CardActionTypes, value: string | object): void;
}
export const doCardAction = (
botConnection: IBotConnection,
from: User,
locale: string,
sendMessage: (value: string, user: User, locale: string) => void,
): IDoCardAction => (
type,
actionValue
) => {
const text = (typeof actionValue === 'string') ? actionValue as string : undefined;
const value = (typeof actionValue === 'object')? actionValue as object : undefined;
switch (type) {
case "imBack":
if (typeof text === 'string')
sendMessage(text, from, locale);
break;
case "postBack":
sendPostBack(botConnection, text, value, from, locale);
break;
case "call":
case "openUrl":
case "playAudio":
case "playVideo":
case "showImage":
case "downloadFile":
window.open(text);
break;
case "signin":
let loginWindow = window.open();
if (botConnection.getSessionId) {
botConnection.getSessionId().subscribe(sessionId => {
konsole.log("received sessionId: " + sessionId);
loginWindow.location.href = text + encodeURIComponent('&code_challenge=' + sessionId);
}, error => {
konsole.log("failed to get sessionId", error);
});
}
else {
loginWindow.location.href = text;
}
break;
default:
konsole.log("unknown button type", type);
}
}
export const sendPostBack = (botConnection: IBotConnection, text: string, value: object, from: User, locale: string) => {
botConnection.postActivity({
type: "message",
text,
value,
from,
locale
})
.subscribe(id => {
konsole.log("success sending postBack", id)
}, error => {
konsole.log("failed to send postBack", error);
});
}
export const renderIfNonempty = (value: any, renderer: (value: any) => JSX.Element ) => {
if (value !== undefined && value !== null && (typeof value !== 'string' || value.length > 0))
return renderer(value);
}
export const classList = (...args:(string | boolean)[]) => {
return args.filter(Boolean).join(' ');
}
// note: container of this element must have CSS position of either absolute or relative
const ResizeDetector = (props: {
onresize: () => void
}) =>
// adapted to React from https://github.com/developit/simple-element-resize-detector
<iframe
style={ { position: 'absolute', left: '0', top: '-100%', width: '100%', height: '100%', margin: '1px 0 0', border: 'none', opacity: 0, visibility: 'hidden', pointerEvents: 'none' } }
ref={ frame => {
if (frame)
frame.contentWindow.onresize = props.onresize;
} }
/>;
// For auto-focus in some browsers, we synthetically insert keys into the chatbox.
// By default, we insert keys when:
// 1. evt.key.length === 1 (e.g. "1", "A", "=" keys), or
// 2. evt.key is one of the map keys below (e.g. "Add" will insert "+", "Decimal" will insert ".")
const INPUTTABLE_KEY: { [key: string]: string } = {
Add: '+', // Numpad add key
Decimal: '.', // Numpad decimal key
Divide: '/', // Numpad divide key
Multiply: '*', // Numpad multiply key
Subtract: '-' // Numpad subtract key
};
function inputtableKey(key: string) {
return key.length === 1 ? key : INPUTTABLE_KEY[key];
}