* Create member functions for ignoreElements and ignorePoint * Create addFullscreenChangeEventListener utility * Move popup creation management into Frontend * Move getUrl implementation * Remove old setup * Remove try/catch block * Error wrap * Add prepare call to TextScanner * Update depth when popup changes * Refactor how Frontend gets PopupFactory and frameId * Update popup preview to work * Update popup preview frame to use the frontend's popup * Update how nested popups are set up * Error wrap * Update how popups are set up on the search page * Error wrap * Error unwrap * Add missing prepare * Remove use of frontendInitializationData * Catch and log errors
206 lines
6.8 KiB
JavaScript
206 lines
6.8 KiB
JavaScript
/*
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* Copyright (C) 2019-2020 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* Frontend
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* Popup
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* TextSourceRange
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* api
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*/
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class PopupPreviewFrame {
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constructor(frameId, popupFactory) {
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this._frameId = frameId;
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this._popupFactory = popupFactory;
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this._frontend = null;
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this._frontendGetOptionsContextOld = null;
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this._apiOptionsGetOld = null;
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this._popupSetCustomOuterCssOld = null;
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this._popupShown = false;
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this._themeChangeTimeout = null;
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this._textSource = null;
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this._optionsContext = null;
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this._targetOrigin = chrome.runtime.getURL('/').replace(/\/$/, '');
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this._windowMessageHandlers = new Map([
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['setText', this._setText.bind(this)],
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['setCustomCss', this._setCustomCss.bind(this)],
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['setCustomOuterCss', this._setCustomOuterCss.bind(this)],
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['updateOptionsContext', this._updateOptionsContext.bind(this)]
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]);
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}
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async prepare() {
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window.addEventListener('message', this._onMessage.bind(this), false);
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// Setup events
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document.querySelector('#theme-dark-checkbox').addEventListener('change', this._onThemeDarkCheckboxChanged.bind(this), false);
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// Overwrite API functions
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this._apiOptionsGetOld = api.optionsGet.bind(api);
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api.optionsGet = this._apiOptionsGet.bind(this);
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// Overwrite frontend
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this._frontend = new Frontend(
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this._frameId,
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this._popupFactory,
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{
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allowRootFramePopupProxy: false
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}
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);
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this._frontendGetOptionsContextOld = this._frontend.getOptionsContext.bind(this._frontend);
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this._frontend.getOptionsContext = this._getOptionsContext.bind(this);
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await this._frontend.prepare();
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this._frontend.setDisabledOverride(true);
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this._frontend.canClearSelection = false;
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const popup = this._frontend.popup;
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popup.setChildrenSupported(false);
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this._popupSetCustomOuterCssOld = popup.setCustomOuterCss.bind(popup);
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popup.setCustomOuterCss = this._popupSetCustomOuterCss.bind(this);
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// Update search
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this._updateSearch();
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}
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// Private
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async _getOptionsContext() {
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let optionsContext = this._optionsContext;
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if (optionsContext === null) {
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optionsContext = this._frontendGetOptionsContextOld();
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}
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return optionsContext;
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}
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async _apiOptionsGet(...args) {
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const options = await this._apiOptionsGetOld(...args);
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options.general.enable = true;
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options.general.debugInfo = false;
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options.general.popupWidth = 400;
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options.general.popupHeight = 250;
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options.general.popupHorizontalOffset = 0;
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options.general.popupVerticalOffset = 10;
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options.general.popupHorizontalOffset2 = 10;
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options.general.popupVerticalOffset2 = 0;
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options.general.popupHorizontalTextPosition = 'below';
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options.general.popupVerticalTextPosition = 'before';
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options.scanning.selectText = false;
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return options;
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}
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async _popupSetCustomOuterCss(...args) {
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// This simulates the stylesheet priorities when injecting using the web extension API.
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const result = await this._popupSetCustomOuterCssOld(...args);
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const node = document.querySelector('#client-css');
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if (node !== null && result !== null) {
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node.parentNode.insertBefore(result, node);
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}
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return result;
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}
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_onMessage(e) {
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if (e.origin !== this._targetOrigin) { return; }
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const {action, params} = e.data;
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const handler = this._windowMessageHandlers.get(action);
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if (typeof handler !== 'function') { return; }
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handler(params);
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}
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_onThemeDarkCheckboxChanged(e) {
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document.documentElement.classList.toggle('dark', e.target.checked);
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if (this._themeChangeTimeout !== null) {
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clearTimeout(this._themeChangeTimeout);
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}
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this._themeChangeTimeout = setTimeout(() => {
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this._themeChangeTimeout = null;
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const popup = this._frontend.popup;
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if (popup === null) { return; }
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popup.updateTheme();
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}, 300);
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}
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_setText({text}) {
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const exampleText = document.querySelector('#example-text');
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if (exampleText === null) { return; }
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exampleText.textContent = text;
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if (this._frontend === null) { return; }
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this._updateSearch();
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}
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_setInfoVisible(visible) {
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const node = document.querySelector('.placeholder-info');
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if (node === null) { return; }
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node.classList.toggle('placeholder-info-visible', visible);
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}
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_setCustomCss({css}) {
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if (this._frontend === null) { return; }
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const popup = this._frontend.popup;
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if (popup === null) { return; }
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popup.setCustomCss(css);
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}
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_setCustomOuterCss({css}) {
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if (this._frontend === null) { return; }
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const popup = this._frontend.popup;
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if (popup === null) { return; }
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popup.setCustomOuterCss(css, false);
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}
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async _updateOptionsContext({optionsContext}) {
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this._optionsContext = optionsContext;
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if (this._frontend === null) { return; }
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await this._frontend.updateOptions();
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await this._updateSearch();
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}
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async _updateSearch() {
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const exampleText = document.querySelector('#example-text');
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if (exampleText === null) { return; }
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const textNode = exampleText.firstChild;
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if (textNode === null) { return; }
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const range = document.createRange();
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range.selectNode(textNode);
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const source = new TextSourceRange(range, range.toString(), null, null);
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try {
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await this._frontend.setTextSource(source);
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} finally {
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source.cleanup();
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}
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this._textSource = source;
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await this._frontend.showContentCompleted();
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const popup = this._frontend.popup;
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if (popup !== null && popup.isVisibleSync()) {
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this._popupShown = true;
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}
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this._setInfoVisible(!this._popupShown);
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}
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}
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