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Revert "Replace all trivial Promise.defer usages with regular Promises" 

This reverts commit 44401d73
pull/21833/head
Michael Telatynski 2019-11-12 11:56:53 +00:00
parent 7a512f7299
commit 548e38cba9
5 changed files with 138 additions and 122 deletions
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174
src/ContentMessages.js
View File

@ -59,38 +59,40 @@ export class UploadCanceledError extends Error {}
* and a thumbnail key.
*/
function createThumbnail(element, inputWidth, inputHeight, mimeType) {
return new Promise((resolve) => {
let targetWidth = inputWidth;
let targetHeight = inputHeight;
if (targetHeight > MAX_HEIGHT) {
targetWidth = Math.floor(targetWidth * (MAX_HEIGHT / targetHeight));
targetHeight = MAX_HEIGHT;
}
if (targetWidth > MAX_WIDTH) {
targetHeight = Math.floor(targetHeight * (MAX_WIDTH / targetWidth));
targetWidth = MAX_WIDTH;
}
const deferred = Promise.defer();
const canvas = document.createElement("canvas");
canvas.width = targetWidth;
canvas.height = targetHeight;
canvas.getContext("2d").drawImage(element, 0, 0, targetWidth, targetHeight);
canvas.toBlob(function(thumbnail) {
resolve({
info: {
thumbnail_info: {
w: targetWidth,
h: targetHeight,
mimetype: thumbnail.type,
size: thumbnail.size,
},
w: inputWidth,
h: inputHeight,
let targetWidth = inputWidth;
let targetHeight = inputHeight;
if (targetHeight > MAX_HEIGHT) {
targetWidth = Math.floor(targetWidth * (MAX_HEIGHT / targetHeight));
targetHeight = MAX_HEIGHT;
}
if (targetWidth > MAX_WIDTH) {
targetHeight = Math.floor(targetHeight * (MAX_WIDTH / targetWidth));
targetWidth = MAX_WIDTH;
}
const canvas = document.createElement("canvas");
canvas.width = targetWidth;
canvas.height = targetHeight;
canvas.getContext("2d").drawImage(element, 0, 0, targetWidth, targetHeight);
canvas.toBlob(function(thumbnail) {
deferred.resolve({
info: {
thumbnail_info: {
w: targetWidth,
h: targetHeight,
mimetype: thumbnail.type,
size: thumbnail.size,
},
thumbnail: thumbnail,
});
}, mimeType);
});
w: inputWidth,
h: inputHeight,
},
thumbnail: thumbnail,
});
}, mimeType);
return deferred.promise;
}
/**
@ -177,29 +179,30 @@ function infoForImageFile(matrixClient, roomId, imageFile) {
* @return {Promise} A promise that resolves with the video image element.
*/
function loadVideoElement(videoFile) {
return new Promise((resolve, reject) => {
// Load the file into an html element
const video = document.createElement("video");
const deferred = Promise.defer();
const reader = new FileReader();
// Load the file into an html element
const video = document.createElement("video");
reader.onload = function(e) {
video.src = e.target.result;
const reader = new FileReader();
reader.onload = function(e) {
video.src = e.target.result;
// Once ready, returns its size
// Wait until we have enough data to thumbnail the first frame.
video.onloadeddata = function() {
resolve(video);
};
video.onerror = function(e) {
reject(e);
};
// Once ready, returns its size
// Wait until we have enough data to thumbnail the first frame.
video.onloadeddata = function() {
deferred.resolve(video);
};
reader.onerror = function(e) {
reject(e);
video.onerror = function(e) {
deferred.reject(e);
};
reader.readAsDataURL(videoFile);
});
};
reader.onerror = function(e) {
deferred.reject(e);
};
reader.readAsDataURL(videoFile);
return deferred.promise;
}
/**
@ -233,16 +236,16 @@ function infoForVideoFile(matrixClient, roomId, videoFile) {
* is read.
*/
function readFileAsArrayBuffer(file) {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onload = function(e) {
resolve(e.target.result);
};
reader.onerror = function(e) {
reject(e);
};
reader.readAsArrayBuffer(file);
});
const deferred = Promise.defer();
const reader = new FileReader();
reader.onload = function(e) {
deferred.resolve(e.target.result);
};
reader.onerror = function(e) {
deferred.reject(e);
};
reader.readAsArrayBuffer(file);
return deferred.promise;
}
/**
@ -458,34 +461,33 @@ export default class ContentMessages {
content.info.mimetype = file.type;
}
const prom = new Promise((resolve) => {
if (file.type.indexOf('image/') == 0) {
content.msgtype = 'm.image';
infoForImageFile(matrixClient, roomId, file).then((imageInfo)=>{
extend(content.info, imageInfo);
resolve();
}, (error)=>{
console.error(error);
content.msgtype = 'm.file';
resolve();
});
} else if (file.type.indexOf('audio/') == 0) {
content.msgtype = 'm.audio';
resolve();
} else if (file.type.indexOf('video/') == 0) {
content.msgtype = 'm.video';
infoForVideoFile(matrixClient, roomId, file).then((videoInfo)=>{
extend(content.info, videoInfo);
resolve();
}, (error)=>{
content.msgtype = 'm.file';
resolve();
});
} else {
const def = Promise.defer();
if (file.type.indexOf('image/') == 0) {
content.msgtype = 'm.image';
infoForImageFile(matrixClient, roomId, file).then((imageInfo)=>{
extend(content.info, imageInfo);
def.resolve();
}, (error)=>{
console.error(error);
content.msgtype = 'm.file';
resolve();
}
});
def.resolve();
});
} else if (file.type.indexOf('audio/') == 0) {
content.msgtype = 'm.audio';
def.resolve();
} else if (file.type.indexOf('video/') == 0) {
content.msgtype = 'm.video';
infoForVideoFile(matrixClient, roomId, file).then((videoInfo)=>{
extend(content.info, videoInfo);
def.resolve();
}, (error)=>{
content.msgtype = 'm.file';
def.resolve();
});
} else {
content.msgtype = 'm.file';
def.resolve();
}
const upload = {
fileName: file.name || 'Attachment',
@ -507,7 +509,7 @@ export default class ContentMessages {
dis.dispatch({action: 'upload_progress', upload: upload});
}
return prom.then(function() {
return def.promise.then(function() {
// XXX: upload.promise must be the promise that
// is returned by uploadFile as it has an abort()
// method hacked onto it.

8
src/Lifecycle.js
View File

@ -312,14 +312,18 @@ async function _restoreFromLocalStorage(opts) {
function _handleLoadSessionFailure(e) {
console.error("Unable to load session", e);
const def = Promise.defer();
const SessionRestoreErrorDialog =
sdk.getComponent('views.dialogs.SessionRestoreErrorDialog');
const modal = Modal.createTrackedDialog('Session Restore Error', '', SessionRestoreErrorDialog, {
Modal.createTrackedDialog('Session Restore Error', '', SessionRestoreErrorDialog, {
error: e.message,
onFinished: (success) => {
def.resolve(success);
},
});
return modal.finished.then(([success]) => {
return def.promise.then((success) => {
if (success) {
// user clicked continue.
_clearStorage();

29
src/components/views/rooms/Autocomplete.js
View File

@ -26,7 +26,6 @@ import { Room } from 'matrix-js-sdk';
import SettingsStore from "../../../settings/SettingsStore";
import Autocompleter from '../../../autocomplete/Autocompleter';
import {sleep} from "../../../utils/promise";
const COMPOSER_SELECTED = 0;
@ -106,11 +105,13 @@ export default class Autocomplete extends React.Component {
autocompleteDelay = 0;
}
return new Promise((resolve) => {
this.debounceCompletionsRequest = setTimeout(() => {
resolve(this.processQuery(query, selection));
}, autocompleteDelay);
});
const deferred = Promise.defer();
this.debounceCompletionsRequest = setTimeout(() => {
this.processQuery(query, selection).then(() => {
deferred.resolve();
});
}, autocompleteDelay);
return deferred.promise;
}
processQuery(query, selection) {
@ -196,16 +197,16 @@ export default class Autocomplete extends React.Component {
}
forceComplete() {
return new Promise((resolve) => {
this.setState({
forceComplete: true,
hide: false,
}, () => {
this.complete(this.props.query, this.props.selection).then(() => {
resolve(this.countCompletions());
});
const done = Promise.defer();
this.setState({
forceComplete: true,
hide: false,
}, () => {
this.complete(this.props.query, this.props.selection).then(() => {
done.resolve(this.countCompletions());
});
});
return done.promise;
}
onCompletionClicked(selectionOffset: number): boolean {

9
src/components/views/settings/ChangePassword.js
View File

@ -178,12 +178,17 @@ module.exports = createReactClass({
},
_optionallySetEmail: function() {
const deferred = Promise.defer();
// Ask for an email otherwise the user has no way to reset their password
const SetEmailDialog = sdk.getComponent("dialogs.SetEmailDialog");
const modal = Modal.createTrackedDialog('Do you want to set an email address?', '', SetEmailDialog, {
Modal.createTrackedDialog('Do you want to set an email address?', '', SetEmailDialog, {
title: _t('Do you want to set an email address?'),
onFinished: (confirmed) => {
// ignore confirmed, setting an email is optional
deferred.resolve(confirmed);
},
});
return modal.finished.then(([confirmed]) => confirmed);
return deferred.promise;
},
_onExportE2eKeysClicked: function() {

40
src/rageshake/submit-rageshake.js
View File

@ -105,22 +105,26 @@ export default async function sendBugReport(bugReportEndpoint, opts) {
}
function _submitReport(endpoint, body, progressCallback) {
return new Promise((resolve, reject) => {
const req = new XMLHttpRequest();
req.open("POST", endpoint);
req.timeout = 5 * 60 * 1000;
req.onreadystatechange = function() {
if (req.readyState === XMLHttpRequest.LOADING) {
progressCallback(_t("Waiting for response from server"));
} else if (req.readyState === XMLHttpRequest.DONE) {
// on done
if (req.status < 200 || req.status >= 400) {
reject(new Error(`HTTP ${req.status}`));
return;
}
resolve();
}
};
req.send(body);
});
const deferred = Promise.defer();
const req = new XMLHttpRequest();
req.open("POST", endpoint);
req.timeout = 5 * 60 * 1000;
req.onreadystatechange = function() {
if (req.readyState === XMLHttpRequest.LOADING) {
progressCallback(_t("Waiting for response from server"));
} else if (req.readyState === XMLHttpRequest.DONE) {
on_done();
}
};
req.send(body);
return deferred.promise;
function on_done() {
if (req.status < 200 || req.status >= 400) {
deferred.reject(new Error(`HTTP ${req.status}`));
return;
}
deferred.resolve();
}
}