mattermost-mobile/app/components/post_textbox/post_textbox_base.js
Elias Nahum e6fdef3451 MM-16397 save draft when app state changes (#2899)
* MM-16397 save draft when app state changes

* Unit tests
2019-06-22 11:21:57 -07:00

726 lines
24 KiB
JavaScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import React, {PureComponent} from 'react';
import PropTypes from 'prop-types';
import {
Alert,
AppState,
BackHandler,
findNodeHandle,
Keyboard,
NativeModules,
Platform,
Text,
TextInput,
View,
} from 'react-native';
import {intlShape} from 'react-intl';
import Button from 'react-native-button';
import {General, RequestStatus} from 'mattermost-redux/constants';
import EventEmitter from 'mattermost-redux/utils/event_emitter';
import {getFormattedFileSize} from 'mattermost-redux/utils/file_utils';
import AttachmentButton from 'app/components/attachment_button';
import Fade from 'app/components/fade';
import FormattedMarkdownText from 'app/components/formatted_markdown_text';
import FormattedText from 'app/components/formatted_text';
import SendButton from 'app/components/send_button';
import {INSERT_TO_COMMENT, INSERT_TO_DRAFT, IS_REACTION_REGEX, MAX_CONTENT_HEIGHT, MAX_FILE_COUNT} from 'app/constants/post_textbox';
import {t} from 'app/utils/i18n';
import {confirmOutOfOfficeDisabled} from 'app/utils/status';
import {changeOpacity, makeStyleSheetFromTheme} from 'app/utils/theme';
const PLACEHOLDER_COLOR = changeOpacity('#000', 0.5);
const {RNTextInputReset} = NativeModules;
export default class PostTextBoxBase extends PureComponent {
static propTypes = {
actions: PropTypes.shape({
addReactionToLatestPost: PropTypes.func.isRequired,
createPost: PropTypes.func.isRequired,
executeCommand: PropTypes.func.isRequired,
handleCommentDraftChanged: PropTypes.func.isRequired,
handlePostDraftChanged: PropTypes.func.isRequired,
handleClearFiles: PropTypes.func.isRequired,
handleClearFailedFiles: PropTypes.func.isRequired,
handleRemoveLastFile: PropTypes.func.isRequired,
initUploadFiles: PropTypes.func.isRequired,
userTyping: PropTypes.func.isRequired,
handleCommentDraftSelectionChanged: PropTypes.func.isRequired,
setStatus: PropTypes.func.isRequired,
selectPenultimateChannel: PropTypes.func.isRequired,
}).isRequired,
canUploadFiles: PropTypes.bool.isRequired,
channelId: PropTypes.string.isRequired,
channelDisplayName: PropTypes.string,
channelTeamId: PropTypes.string.isRequired,
channelIsLoading: PropTypes.bool,
channelIsReadOnly: PropTypes.bool.isRequired,
currentUserId: PropTypes.string.isRequired,
deactivatedChannel: PropTypes.bool.isRequired,
files: PropTypes.array,
maxFileSize: PropTypes.number.isRequired,
maxMessageLength: PropTypes.number.isRequired,
navigator: PropTypes.object,
rootId: PropTypes.string,
theme: PropTypes.object.isRequired,
uploadFileRequestStatus: PropTypes.string.isRequired,
value: PropTypes.string.isRequired,
userIsOutOfOffice: PropTypes.bool.isRequired,
channelIsArchived: PropTypes.bool,
onCloseChannel: PropTypes.func,
cursorPositionEvent: PropTypes.string,
valueEvent: PropTypes.string,
};
static defaultProps = {
files: [],
rootId: '',
value: '',
};
static contextTypes = {
intl: intlShape,
};
constructor(props) {
super(props);
this.input = React.createRef();
this.state = {
cursorPosition: 0,
keyboardType: 'default',
top: 0,
value: props.value,
};
}
componentDidMount() {
const event = this.props.rootId ? INSERT_TO_COMMENT : INSERT_TO_DRAFT;
EventEmitter.on(event, this.handleInsertTextToDraft);
AppState.addEventListener('change', this.handleAppStateChange);
if (Platform.OS === 'android') {
Keyboard.addListener('keyboardDidHide', this.handleAndroidKeyboard);
BackHandler.addEventListener('hardwareBackPress', this.handleAndroidBack);
}
}
componentWillReceiveProps(nextProps) {
if (nextProps.channelId !== this.props.channelId || nextProps.rootId !== this.props.rootId) {
this.setState({value: nextProps.value});
}
}
componentWillUnmount() {
const event = this.props.rootId ? INSERT_TO_COMMENT : INSERT_TO_DRAFT;
EventEmitter.off(event, this.handleInsertTextToDraft);
AppState.removeEventListener('change', this.handleAppStateChange);
if (Platform.OS === 'android') {
Keyboard.removeListener('keyboardDidHide', this.handleAndroidKeyboard);
BackHandler.removeEventListener('hardwareBackPress', this.handleAndroidBack);
}
}
blur = () => {
if (this.input.current) {
this.input.current.blur();
}
};
canSend = () => {
const {files, maxMessageLength, uploadFileRequestStatus} = this.props;
const {value} = this.state;
const messageLength = value.trim().length;
if (messageLength > maxMessageLength) {
return false;
}
if (files.length) {
const loadingComplete = !this.isFileLoading();
const alreadySendingFiles = uploadFileRequestStatus === RequestStatus.STARTED;
return loadingComplete && !alreadySendingFiles;
}
return messageLength > 0;
};
changeDraft = (text) => {
const {
actions,
channelId,
rootId,
} = this.props;
if (rootId) {
actions.handleCommentDraftChanged(rootId, text);
} else {
actions.handlePostDraftChanged(channelId, text);
}
};
checkMessageLength = (value) => {
const {intl} = this.context;
const {maxMessageLength} = this.props;
const valueLength = value.trim().length;
if (valueLength > maxMessageLength) {
Alert.alert(
intl.formatMessage({
id: 'mobile.message_length.title',
defaultMessage: 'Message Length',
}),
intl.formatMessage({
id: 'mobile.message_length.message',
defaultMessage: 'Your current message is too long. Current character count: {max}/{count}',
}, {
max: maxMessageLength,
count: valueLength,
})
);
}
};
getAttachmentButton = () => {
const {canUploadFiles, channelIsReadOnly, files, maxFileSize, navigator, theme} = this.props;
let attachmentButton = null;
if (canUploadFiles && !channelIsReadOnly) {
attachmentButton = (
<AttachmentButton
blurTextBox={this.blur}
theme={theme}
navigator={navigator}
fileCount={files.length}
maxFileSize={maxFileSize}
maxFileCount={MAX_FILE_COUNT}
onShowFileMaxWarning={this.onShowFileMaxWarning}
onShowFileSizeWarning={this.onShowFileSizeWarning}
uploadFiles={this.handleUploadFiles}
/>
);
}
return attachmentButton;
};
getInputContainerStyle = () => {
const {canUploadFiles, channelIsReadOnly, theme} = this.props;
const style = getStyleSheet(theme);
const inputContainerStyle = [style.inputContainer];
if (!canUploadFiles) {
inputContainerStyle.push(style.inputContainerWithoutFileUpload);
}
if (channelIsReadOnly) {
inputContainerStyle.push(style.readonlyContainer);
}
return inputContainerStyle;
};
getPlaceHolder = () => {
const {channelIsReadOnly, rootId} = this.props;
let placeholder;
if (channelIsReadOnly) {
placeholder = {id: t('mobile.create_post.read_only'), defaultMessage: 'This channel is read-only.'};
} else if (rootId) {
placeholder = {id: t('create_comment.addComment'), defaultMessage: 'Add a comment...'};
} else {
placeholder = {id: t('create_post.write'), defaultMessage: 'Write to {channelDisplayName}'};
}
return placeholder;
};
handleAndroidKeyboard = () => {
this.blur();
};
handleAndroidBack = () => {
const {channelId, files, rootId} = this.props;
if (files.length) {
this.props.actions.handleRemoveLastFile(channelId, rootId);
return true;
}
return false;
};
handleAppStateChange = (nextAppState) => {
if (nextAppState !== 'active') {
this.changeDraft(this.state.value);
}
};
handleEndEditing = (e) => {
if (e && e.nativeEvent) {
this.changeDraft(e.nativeEvent.text || '');
}
};
handlePostDraftSelectionChanged = (event) => {
const cursorPosition = event.nativeEvent.selection.end;
const {cursorPositionEvent} = this.props;
if (cursorPositionEvent) {
EventEmitter.emit(cursorPositionEvent, cursorPosition);
}
this.setState({
cursorPosition,
});
};
handleSendMessage = () => {
if (!this.canSend()) {
return;
}
const {actions, channelId, files, rootId} = this.props;
const {value} = this.state;
const isReactionMatch = value.match(IS_REACTION_REGEX);
if (isReactionMatch) {
const emoji = isReactionMatch[2];
this.sendReaction(emoji);
return;
}
const hasFailedAttachments = files.some((f) => f.failed);
if (hasFailedAttachments) {
const {intl} = this.context;
Alert.alert(
intl.formatMessage({
id: 'mobile.post_textbox.uploadFailedTitle',
defaultMessage: 'Attachment failure',
}),
intl.formatMessage({
id: 'mobile.post_textbox.uploadFailedDesc',
defaultMessage: 'Some attachments failed to upload to the server. Are you sure you want to post the message?',
}),
[{
text: intl.formatMessage({id: 'mobile.channel_info.alertNo', defaultMessage: 'No'}),
}, {
text: intl.formatMessage({id: 'mobile.channel_info.alertYes', defaultMessage: 'Yes'}),
onPress: () => {
// Remove only failed files
actions.handleClearFailedFiles(channelId, rootId);
this.sendMessage();
},
}],
);
} else {
this.sendMessage();
}
};
handleInsertTextToDraft = (text) => {
const {cursorPosition, value} = this.state;
let completed;
if (value.length === 0) {
completed = text;
} else {
const firstPart = value.substring(0, cursorPosition);
const secondPart = value.substring(cursorPosition);
completed = `${firstPart}${text}${secondPart}`;
}
this.setState({
value: completed,
});
};
handleTextChange = (value, autocomplete = false) => {
const {
actions,
channelId,
rootId,
cursorPositionEvent,
valueEvent,
} = this.props;
if (valueEvent) {
EventEmitter.emit(valueEvent, value);
}
const nextState = {value};
// Workaround for some Android keyboards that don't play well with cursors (e.g. Samsung keyboards)
if (autocomplete && this.input?.current) {
if (Platform.OS === 'android') {
RNTextInputReset.resetKeyboardInput(findNodeHandle(this.input.current));
} else {
nextState.cursorPosition = value.length;
if (cursorPositionEvent) {
EventEmitter.emit(cursorPositionEvent, nextState.cursorPosition);
}
}
}
this.checkMessageLength(value);
this.setState(nextState);
if (value) {
actions.userTyping(channelId, rootId);
}
};
handleUploadFiles = (images) => {
this.props.actions.initUploadFiles(images, this.props.rootId);
};
isFileLoading() {
const {files} = this.props;
return files.some((file) => file.loading);
}
isSendButtonVisible() {
return this.canSend() || this.isFileLoading();
}
sendMessage = () => {
const {actions, currentUserId, channelId, files, rootId} = this.props;
const {intl} = this.context;
const {value} = this.state;
if (files.length === 0 && !value) {
Alert.alert(
intl.formatMessage({
id: 'mobile.post_textbox.empty.title',
defaultMessage: 'Empty Message',
}),
intl.formatMessage({
id: 'mobile.post_textbox.empty.message',
defaultMessage: 'You are trying to send an empty message.\nPlease make sure you have a message or at least one attached file.',
}),
[{
text: intl.formatMessage({id: 'mobile.post_textbox.empty.ok', defaultMessage: 'OK'}),
}],
);
} else {
if (value.indexOf('/') === 0) {
this.sendCommand(value);
} else {
const postFiles = files.filter((f) => !f.failed);
const post = {
user_id: currentUserId,
channel_id: channelId,
root_id: rootId,
parent_id: rootId,
message: value,
};
actions.createPost(post, postFiles);
if (postFiles.length) {
actions.handleClearFiles(channelId, rootId);
}
}
if (Platform.OS === 'ios') {
// On iOS, if the PostTextbox height increases from its
// initial height (due to a multiline post or a post whose
// message wraps, for example), then when the text is cleared
// the PostTextbox height decrease will be animated. This
// animation in conjunction with the PostList animation as it
// receives the newly created post is causing issues in the iOS
// PostList component as it fails to properly react to its content
// size changes. While a proper fix is determined for the PostList
// component, a small delay in triggering the height decrease
// animation gives the PostList enough time to first handle content
// size changes from the new post.
setTimeout(() => {
this.handleTextChange('');
}, 250);
} else {
this.handleTextChange('');
}
this.changeDraft('');
let callback;
if (Platform.OS === 'android') {
// Fixes the issue where Android predictive text would prepend suggestions to the post draft when messages
// are typed successively without blurring the input
const nextState = {
keyboardType: 'email-address',
};
callback = () => this.setState({keyboardType: 'default'});
this.setState(nextState, callback);
}
EventEmitter.emit('scroll-to-bottom');
}
};
getStatusFromSlashCommand = (message) => {
const tokens = message.split(' ');
if (tokens.length > 0) {
return tokens[0].substring(1);
}
return '';
};
isStatusSlashCommand = (command) => {
return command === General.ONLINE || command === General.AWAY ||
command === General.DND || command === General.OFFLINE;
};
updateStatus = (status) => {
const {actions, currentUserId} = this.props;
actions.setStatus({
user_id: currentUserId,
status,
});
};
sendCommand = async (msg) => {
const {intl} = this.context;
const {userIsOutOfOffice, actions, channelId, rootId} = this.props;
const status = this.getStatusFromSlashCommand(msg);
if (userIsOutOfOffice && this.isStatusSlashCommand(status)) {
confirmOutOfOfficeDisabled(intl, status, this.updateStatus);
return;
}
const {error} = await actions.executeCommand(msg, channelId, rootId);
if (error) {
this.handleTextChange(msg);
this.changeDraft(msg);
Alert.alert(
intl.formatMessage({
id: 'mobile.commands.error_title',
defaultMessage: 'Error Executing Command',
}),
error.message
);
}
};
sendReaction = (emoji) => {
const {actions, rootId} = this.props;
actions.addReactionToLatestPost(emoji, rootId);
this.handleTextChange('');
this.changeDraft('');
};
onShowFileMaxWarning = () => {
EventEmitter.emit('fileMaxWarning');
};
onShowFileSizeWarning = (filename) => {
const {formatMessage} = this.context.intl;
const fileSizeWarning = formatMessage({
id: 'file_upload.fileAbove',
defaultMessage: 'File above {max}MB cannot be uploaded: {filename}',
}, {
max: getFormattedFileSize({size: this.props.maxFileSize}),
filename,
});
EventEmitter.emit('fileSizeWarning', fileSizeWarning);
setTimeout(() => {
EventEmitter.emit('fileSizeWarning', null);
}, 3000);
};
onCloseChannelPress = () => {
const {onCloseChannel, channelTeamId} = this.props;
this.props.actions.selectPenultimateChannel(channelTeamId);
if (onCloseChannel) {
onCloseChannel();
}
};
archivedView = (theme, style) => {
return (
<View style={style.archivedWrapper}>
<FormattedMarkdownText
id='archivedChannelMessage'
defaultMessage='You are viewing an **archived channel**. New messages cannot be posted.'
theme={theme}
style={style.archivedText}
/>
<Button
containerStyle={style.closeButton}
onPress={this.onCloseChannelPress}
>
<FormattedText
id='center_panel.archived.closeChannel'
defaultMessage='Close Channel'
style={style.closeButtonText}
/>
</Button>
</View>
);
};
handleLayout = (e) => {
this.setState({
top: e.nativeEvent.layout.y,
});
};
renderDeactivatedChannel = () => {
const {intl} = this.context;
const style = getStyleSheet(this.props.theme);
return (
<Text style={style.deactivatedMessage}>
{intl.formatMessage({
id: 'create_post.deactivated',
defaultMessage: 'You are viewing an archived channel with a deactivated user.',
})}
</Text>
);
}
renderTextBox = () => {
const {intl} = this.context;
const {channelDisplayName, channelIsArchived, channelIsLoading, channelIsReadOnly, theme} = this.props;
const style = getStyleSheet(theme);
if (channelIsArchived) {
return this.archivedView(theme, style);
}
const {value} = this.state;
const textValue = channelIsLoading ? '' : value;
const placeholder = this.getPlaceHolder();
return (
<View
style={style.inputWrapper}
onLayout={this.handleLayout}
>
{this.getAttachmentButton()}
<View style={this.getInputContainerStyle()}>
<TextInput
ref={this.input}
value={textValue}
onChangeText={this.handleTextChange}
onSelectionChange={this.handlePostDraftSelectionChanged}
placeholder={intl.formatMessage(placeholder, {channelDisplayName})}
placeholderTextColor={PLACEHOLDER_COLOR}
multiline={true}
blurOnSubmit={false}
underlineColorAndroid='transparent'
style={style.input}
keyboardType={this.state.keyboardType}
onEndEditing={this.handleEndEditing}
disableFullscreenUI={true}
editable={!channelIsReadOnly}
/>
<Fade visible={this.isSendButtonVisible()}>
<SendButton
disabled={this.isFileLoading()}
handleSendMessage={this.handleSendMessage}
theme={theme}
/>
</Fade>
</View>
</View>
);
};
}
const getStyleSheet = makeStyleSheetFromTheme((theme) => {
return {
input: {
color: '#000',
flex: 1,
fontSize: 14,
maxHeight: MAX_CONTENT_HEIGHT,
paddingBottom: 8,
paddingLeft: 12,
paddingRight: 12,
paddingTop: 8,
},
hidden: {
position: 'absolute',
top: 10000, // way off screen
left: 10000, // way off screen
backgroundColor: 'transparent',
borderColor: 'transparent',
color: 'transparent',
},
inputContainer: {
flex: 1,
flexDirection: 'row',
backgroundColor: '#fff',
alignItems: 'stretch',
marginRight: 10,
},
inputContainerWithoutFileUpload: {
marginLeft: 10,
},
inputWrapper: {
alignItems: 'flex-end',
flexDirection: 'row',
paddingVertical: 4,
backgroundColor: theme.centerChannelBg,
borderTopWidth: 1,
borderTopColor: changeOpacity(theme.centerChannelColor, 0.20),
},
deactivatedMessage: {
color: changeOpacity(theme.centerChannelColor, 0.8),
fontSize: 15,
lineHeight: 22,
alignItems: 'flex-end',
flexDirection: 'row',
paddingVertical: 4,
backgroundColor: theme.centerChannelBg,
borderTopWidth: 1,
borderTopColor: changeOpacity(theme.centerChannelColor, 0.20),
marginLeft: 10,
marginRight: 10,
},
archivedWrapper: {
paddingLeft: 20,
paddingRight: 20,
paddingTop: 10,
paddingBottom: 10,
borderTopWidth: 1,
borderTopColor: changeOpacity(theme.centerChannelColor, 0.20),
},
archivedText: {
textAlign: 'center',
color: theme.centerChannelColor,
},
closeButton: {
backgroundColor: theme.buttonBg,
alignItems: 'center',
paddingTop: 5,
paddingBottom: 5,
borderRadius: 4,
marginTop: 10,
height: 40,
},
closeButtonText: {
marginTop: 7,
color: 'white',
fontWeight: 'bold',
},
readonlyContainer: {
marginLeft: 10,
},
};
});