Popup preview frame refactor (#572)

* Use private variables

* Use private methods

* Update overrides

* Make prepare called in the entry point function

* Change format of handlers

* Change where _apiOptionsGetOld is assigned

* Rename class
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toasted-nutbread 2020-05-29 20:29:19 -04:00 committed by GitHub
parent 9624566d2a
commit df040b104a
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2 changed files with 75 additions and 64 deletions

View File

@ -16,11 +16,12 @@
*/
/* global
* SettingsPopupPreview
* PopupPreviewFrame
* api
*/
(() => {
(async () => {
api.forwardLogsToBackend();
new SettingsPopupPreview();
const preview = new PopupPreviewFrame();
await preview.prepare();
})();

View File

@ -23,37 +23,36 @@
* api
*/
class SettingsPopupPreview {
class PopupPreviewFrame {
constructor() {
this.frontend = null;
this.apiOptionsGetOld = api.optionsGet.bind(api);
this.popup = null;
this.popupSetCustomOuterCssOld = null;
this.popupShown = false;
this.themeChangeTimeout = null;
this.textSource = null;
this.optionsContext = null;
this._frontend = null;
this._frontendGetOptionsContextOld = null;
this._apiOptionsGetOld = null;
this._popup = null;
this._popupSetCustomOuterCssOld = null;
this._popupShown = false;
this._themeChangeTimeout = null;
this._textSource = null;
this._optionsContext = null;
this._targetOrigin = chrome.runtime.getURL('/').replace(/\/$/, '');
this._windowMessageHandlers = new Map([
['prepare', ({optionsContext}) => this.prepare(optionsContext)],
['setText', ({text}) => this.setText(text)],
['setCustomCss', ({css}) => this.setCustomCss(css)],
['setCustomOuterCss', ({css}) => this.setCustomOuterCss(css)],
['updateOptionsContext', ({optionsContext}) => this.updateOptionsContext(optionsContext)]
['setText', this._setText.bind(this)],
['setCustomCss', this._setCustomCss.bind(this)],
['setCustomOuterCss', this._setCustomOuterCss.bind(this)],
['updateOptionsContext', this._updateOptionsContext.bind(this)]
]);
window.addEventListener('message', this.onMessage.bind(this), false);
}
async prepare(optionsContext) {
this.optionsContext = optionsContext;
async prepare() {
window.addEventListener('message', this._onMessage.bind(this), false);
// Setup events
document.querySelector('#theme-dark-checkbox').addEventListener('change', this.onThemeDarkCheckboxChanged.bind(this), false);
document.querySelector('#theme-dark-checkbox').addEventListener('change', this._onThemeDarkCheckboxChanged.bind(this), false);
// Overwrite API functions
api.optionsGet = this.apiOptionsGet.bind(this);
this._apiOptionsGetOld = api.optionsGet.bind(api);
api.optionsGet = this._apiOptionsGet.bind(this);
// Overwrite frontend
const {frameId} = await api.frameInformationGet();
@ -61,24 +60,35 @@ class SettingsPopupPreview {
const popupFactory = new PopupFactory(frameId);
await popupFactory.prepare();
this.popup = popupFactory.getOrCreatePopup();
this.popup.setChildrenSupported(false);
this._popup = popupFactory.getOrCreatePopup();
this._popup.setChildrenSupported(false);
this.popupSetCustomOuterCssOld = this.popup.setCustomOuterCss;
this.popup.setCustomOuterCss = this.popupSetCustomOuterCss.bind(this);
this._popupSetCustomOuterCssOld = this._popup.setCustomOuterCss.bind(this._popup);
this._popup.setCustomOuterCss = this._popupSetCustomOuterCss.bind(this);
this.frontend = new Frontend(this.popup);
this.frontend.getOptionsContext = async () => this.optionsContext;
await this.frontend.prepare();
this.frontend.setDisabledOverride(true);
this.frontend.canClearSelection = false;
this._frontend = new Frontend(this._popup);
this._frontendGetOptionsContextOld = this._frontend.getOptionsContext.bind(this._frontend);
this._frontend.getOptionsContext = this._getOptionsContext.bind(this);
await this._frontend.prepare();
this._frontend.setDisabledOverride(true);
this._frontend.canClearSelection = false;
// Update search
this.updateSearch();
this._updateSearch();
}
async apiOptionsGet(...args) {
const options = await this.apiOptionsGetOld(...args);
// Private
async _getOptionsContext() {
let optionsContext = this._optionsContext;
if (optionsContext === null) {
optionsContext = this._frontendGetOptionsContextOld();
}
return optionsContext;
}
async _apiOptionsGet(...args) {
const options = await this._apiOptionsGetOld(...args);
options.general.enable = true;
options.general.debugInfo = false;
options.general.popupWidth = 400;
@ -93,9 +103,9 @@ class SettingsPopupPreview {
return options;
}
async popupSetCustomOuterCss(...args) {
async _popupSetCustomOuterCss(...args) {
// This simulates the stylesheet priorities when injecting using the web extension API.
const result = await this.popupSetCustomOuterCssOld.call(this.popup, ...args);
const result = await this._popupSetCustomOuterCssOld(...args);
const node = document.querySelector('#client-css');
if (node !== null && result !== null) {
@ -105,7 +115,7 @@ class SettingsPopupPreview {
return result;
}
onMessage(e) {
_onMessage(e) {
if (e.origin !== this._targetOrigin) { return; }
const {action, params} = e.data;
@ -115,49 +125,49 @@ class SettingsPopupPreview {
handler(params);
}
onThemeDarkCheckboxChanged(e) {
_onThemeDarkCheckboxChanged(e) {
document.documentElement.classList.toggle('dark', e.target.checked);
if (this.themeChangeTimeout !== null) {
clearTimeout(this.themeChangeTimeout);
if (this._themeChangeTimeout !== null) {
clearTimeout(this._themeChangeTimeout);
}
this.themeChangeTimeout = setTimeout(() => {
this.themeChangeTimeout = null;
this.popup.updateTheme();
this._themeChangeTimeout = setTimeout(() => {
this._themeChangeTimeout = null;
this._popup.updateTheme();
}, 300);
}
setText(text) {
_setText({text}) {
const exampleText = document.querySelector('#example-text');
if (exampleText === null) { return; }
exampleText.textContent = text;
this.updateSearch();
this._updateSearch();
}
setInfoVisible(visible) {
_setInfoVisible(visible) {
const node = document.querySelector('.placeholder-info');
if (node === null) { return; }
node.classList.toggle('placeholder-info-visible', visible);
}
setCustomCss(css) {
if (this.frontend === null) { return; }
this.popup.setCustomCss(css);
_setCustomCss({css}) {
if (this._frontend === null) { return; }
this._popup.setCustomCss(css);
}
setCustomOuterCss(css) {
if (this.frontend === null) { return; }
this.popup.setCustomOuterCss(css, false);
_setCustomOuterCss({css}) {
if (this._frontend === null) { return; }
this._popup.setCustomOuterCss(css, false);
}
async updateOptionsContext(optionsContext) {
this.optionsContext = optionsContext;
await this.frontend.updateOptions();
await this.updateSearch();
async _updateOptionsContext({optionsContext}) {
this._optionsContext = optionsContext;
await this._frontend.updateOptions();
await this._updateSearch();
}
async updateSearch() {
async _updateSearch() {
const exampleText = document.querySelector('#example-text');
if (exampleText === null) { return; }
@ -169,17 +179,17 @@ class SettingsPopupPreview {
const source = new TextSourceRange(range, range.toString(), null, null);
try {
await this.frontend.setTextSource(source);
await this._frontend.setTextSource(source);
} finally {
source.cleanup();
}
this.textSource = source;
await this.frontend.showContentCompleted();
this._textSource = source;
await this._frontend.showContentCompleted();
if (this.popup.isVisibleSync()) {
this.popupShown = true;
if (this._popup.isVisibleSync()) {
this._popupShown = true;
}
this.setInfoVisible(!this.popupShown);
this._setInfoVisible(!this._popupShown);
}
}