2019-08-17 22:50:48 +00:00
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/*
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2020-01-01 17:00:00 +00:00
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* Copyright (C) 2019-2020 Alex Yatskov <alex@foosoft.net>
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2019-08-17 22:50:48 +00:00
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* Author: Alex Yatskov <alex@foosoft.net>
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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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2020-01-01 17:00:31 +00:00
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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2019-08-17 22:50:48 +00:00
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*/
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2020-03-11 02:30:36 +00:00
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/* global
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* FrontendApiReceiver
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* Popup
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2020-03-19 00:55:31 +00:00
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* apiForward
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2020-03-11 02:30:36 +00:00
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* apiFrameInformationGet
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*/
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2019-08-17 22:50:48 +00:00
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class PopupProxyHost {
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constructor() {
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2019-12-15 22:07:19 +00:00
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this._popups = new Map();
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this._apiReceiver = null;
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2020-03-18 22:24:14 +00:00
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this._frameId = null;
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2019-08-19 00:51:19 +00:00
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}
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2019-12-15 22:05:50 +00:00
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// Public functions
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2019-08-19 00:51:19 +00:00
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async prepare() {
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2020-03-18 22:24:14 +00:00
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const {frameId} = await apiFrameInformationGet();
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2019-08-19 00:51:19 +00:00
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if (typeof frameId !== 'number') { return; }
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2020-03-18 22:24:14 +00:00
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this._frameId = frameId;
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2019-08-19 00:51:19 +00:00
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2020-03-18 22:24:14 +00:00
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this._apiReceiver = new FrontendApiReceiver(`popup-proxy-host#${this._frameId}`, new Map([
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2020-02-27 01:35:37 +00:00
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['getOrCreatePopup', this._onApiGetOrCreatePopup.bind(this)],
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['setOptions', this._onApiSetOptions.bind(this)],
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['hide', this._onApiHide.bind(this)],
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['isVisible', this._onApiIsVisibleAsync.bind(this)],
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['setVisibleOverride', this._onApiSetVisibleOverride.bind(this)],
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['containsPoint', this._onApiContainsPoint.bind(this)],
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['showContent', this._onApiShowContent.bind(this)],
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['setCustomCss', this._onApiSetCustomCss.bind(this)],
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['clearAutoPlayTimer', this._onApiClearAutoPlayTimer.bind(this)],
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['setContentScale', this._onApiSetContentScale.bind(this)]
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2019-12-12 02:59:38 +00:00
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]));
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2020-03-19 00:55:31 +00:00
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this._windowMessageHandlers = new Map([
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['getIframeOffset', ({offset, uniqueId}, e) => { return this._onGetIframeOffset(offset, uniqueId, e); }]
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]);
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window.addEventListener('message', this.onMessage.bind(this), false);
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2019-08-17 22:50:48 +00:00
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}
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2020-03-09 09:56:06 +00:00
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getOrCreatePopup(id=null, parentId=null, depth=null) {
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// Find by existing id
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if (id !== null) {
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const popup = this._popups.get(id);
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if (typeof popup !== 'undefined') {
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return popup;
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}
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}
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// Find by existing parent id
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let parent = null;
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if (parentId !== null) {
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parent = this._popups.get(parentId);
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if (typeof parent !== 'undefined') {
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const popup = parent.child;
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if (popup !== null) {
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return popup;
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}
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} else {
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parent = null;
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}
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}
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// New unique id
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if (id === null) {
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id = yomichan.generateId(16);
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}
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// Create new popup
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if (parent !== null) {
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if (depth !== null) {
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throw new Error('Depth cannot be set when parent exists');
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}
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depth = parent.depth + 1;
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2020-03-09 09:56:06 +00:00
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} else if (depth === null) {
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depth = 0;
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2020-03-09 00:10:28 +00:00
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}
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const popup = new Popup(id, depth, this._frameId);
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if (parent !== null) {
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popup.setParent(parent);
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}
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this._popups.set(id, popup);
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return popup;
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2019-08-17 22:50:48 +00:00
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}
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2020-03-19 00:55:31 +00:00
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// API message handlers
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2019-12-15 22:01:29 +00:00
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2020-02-27 01:35:37 +00:00
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async _onApiGetOrCreatePopup({id, parentId}) {
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const popup = this.getOrCreatePopup(id, parentId);
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return {
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id: popup.id
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};
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2019-12-15 22:01:29 +00:00
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}
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2020-02-27 01:35:37 +00:00
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async _onApiSetOptions({id, options}) {
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const popup = this._getPopup(id);
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2019-10-12 18:34:45 +00:00
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return await popup.setOptions(options);
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}
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2020-02-27 01:35:37 +00:00
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async _onApiHide({id, changeFocus}) {
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const popup = this._getPopup(id);
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return popup.hide(changeFocus);
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2019-08-17 22:50:48 +00:00
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}
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async _onApiIsVisibleAsync({id}) {
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const popup = this._getPopup(id);
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2019-12-16 02:49:20 +00:00
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return await popup.isVisible();
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2019-10-17 22:39:12 +00:00
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}
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2020-02-27 01:35:37 +00:00
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async _onApiSetVisibleOverride({id, visible}) {
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const popup = this._getPopup(id);
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2019-10-17 22:39:12 +00:00
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return await popup.setVisibleOverride(visible);
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2019-08-17 22:50:48 +00:00
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}
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2020-02-27 01:35:37 +00:00
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async _onApiContainsPoint({id, x, y}) {
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const popup = this._getPopup(id);
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2020-03-07 02:11:18 +00:00
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[x, y] = PopupProxyHost._convertPopupPointToRootPagePoint(popup, x, y);
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return await popup.containsPoint(x, y);
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}
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2020-02-27 01:35:37 +00:00
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async _onApiShowContent({id, elementRect, writingMode, type, details}) {
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const popup = this._getPopup(id);
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elementRect = PopupProxyHost._convertJsonRectToDOMRect(popup, elementRect);
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2019-12-16 01:48:52 +00:00
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if (!PopupProxyHost._popupCanShow(popup)) { return; }
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2019-10-17 01:36:10 +00:00
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return await popup.showContent(elementRect, writingMode, type, details);
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2019-08-17 22:50:48 +00:00
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}
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2020-02-27 01:35:37 +00:00
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async _onApiSetCustomCss({id, css}) {
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const popup = this._getPopup(id);
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2019-10-12 21:12:34 +00:00
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return popup.setCustomCss(css);
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}
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2020-02-27 01:35:37 +00:00
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async _onApiClearAutoPlayTimer({id}) {
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const popup = this._getPopup(id);
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2019-08-17 22:50:48 +00:00
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return popup.clearAutoPlayTimer();
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}
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2019-09-12 01:32:27 +00:00
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2020-02-27 01:35:37 +00:00
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async _onApiSetContentScale({id, scale}) {
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2019-12-23 22:12:09 +00:00
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const popup = this._getPopup(id);
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return popup.setContentScale(scale);
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}
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2020-03-19 00:55:31 +00:00
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// Window message handlers
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onMessage(e) {
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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, e);
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}
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_onGetIframeOffset(offset, uniqueId, e) {
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let sourceIframe = null;
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for (const iframe of document.querySelectorAll('iframe:not(.yomichan-float)')) {
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if (iframe.contentWindow !== e.source) { continue; }
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sourceIframe = iframe;
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break;
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}
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if (sourceIframe === null) { return; }
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const [forwardedX, forwardedY] = offset;
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const {x, y} = sourceIframe.getBoundingClientRect();
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offset = [forwardedX + x, forwardedY + y];
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apiForward('iframeOffset', {offset, uniqueId});
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}
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2019-12-15 22:05:50 +00:00
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// Private functions
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_getPopup(id) {
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const popup = this._popups.get(id);
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2019-12-15 22:05:50 +00:00
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if (typeof popup === 'undefined') {
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throw new Error(`Invalid popup ID ${id}`);
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}
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return popup;
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}
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static _convertJsonRectToDOMRect(popup, jsonRect) {
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2020-03-07 01:52:36 +00:00
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const [x, y] = PopupProxyHost._convertPopupPointToRootPagePoint(popup, jsonRect.x, jsonRect.y);
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return new DOMRect(x, y, jsonRect.width, jsonRect.height);
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}
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static _convertPopupPointToRootPagePoint(popup, x, y) {
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if (popup.parent !== null) {
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const popupRect = popup.parent.getContainerRect();
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2019-12-15 22:03:46 +00:00
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x += popupRect.x;
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y += popupRect.y;
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}
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2020-03-07 01:52:36 +00:00
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return [x, y];
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2019-12-15 22:03:46 +00:00
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}
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2019-12-15 22:05:50 +00:00
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static _popupCanShow(popup) {
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return popup.parent === null || popup.parent.isVisibleSync();
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2019-09-12 01:32:27 +00:00
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}
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2019-08-17 22:50:48 +00:00
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}
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