2019-12-05 01:58:35 +00:00
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/*
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2020-04-10 18:06:55 +00:00
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* Copyright (C) 2019-2020 Yomichan Authors
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2019-12-05 01:58:35 +00:00
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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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2019-12-05 01:58:35 +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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2020-08-10 01:07:11 +00:00
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* DocumentUtil
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2020-08-22 18:40:44 +00:00
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* api
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2020-03-11 02:30:36 +00:00
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*/
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2019-12-05 01:58:35 +00:00
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2020-04-27 22:10:37 +00:00
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class TextScanner extends EventDispatcher {
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2020-09-06 01:43:19 +00:00
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constructor({node, ignoreElements, ignorePoint, documentUtil, getOptionsContext, searchTerms=false, searchKanji=false, searchOnClick=false}) {
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2020-04-27 22:10:37 +00:00
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super();
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2020-05-07 23:45:08 +00:00
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this._node = node;
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this._ignoreElements = ignoreElements;
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2020-05-08 23:05:50 +00:00
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this._ignorePoint = ignorePoint;
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2020-08-09 17:27:21 +00:00
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this._documentUtil = documentUtil;
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2020-09-06 01:43:19 +00:00
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this._getOptionsContext = getOptionsContext;
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this._searchTerms = searchTerms;
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this._searchKanji = searchKanji;
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this._searchOnClick = searchOnClick;
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2019-12-05 01:58:35 +00:00
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2020-06-21 20:14:05 +00:00
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this._isPrepared = false;
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2020-05-07 23:45:08 +00:00
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this._ignoreNodes = null;
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2020-03-13 21:23:08 +00:00
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2020-09-08 23:23:32 +00:00
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this._inputCurrent = null;
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2020-05-07 23:45:08 +00:00
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this._scanTimerPromise = null;
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this._textSourceCurrent = null;
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this._textSourceCurrentSelected = false;
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this._pendingLookup = false;
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2020-08-09 17:19:42 +00:00
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this._deepContentScan = false;
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this._selectText = false;
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this._delay = 0;
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this._touchInputEnabled = false;
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2020-09-13 15:33:10 +00:00
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this._pointerEventsEnabled = false;
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2020-08-22 18:40:44 +00:00
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this._scanLength = 1;
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this._sentenceExtent = 1;
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this._layoutAwareScan = false;
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2020-09-09 20:59:03 +00:00
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this._inputs = [];
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2019-12-05 01:58:35 +00:00
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2020-05-07 23:45:08 +00:00
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this._enabled = false;
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2020-09-12 23:36:51 +00:00
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this._enabledValue = false;
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2020-05-07 23:45:08 +00:00
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this._eventListeners = new EventListenerCollection();
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2019-12-05 01:58:35 +00:00
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2020-05-07 23:45:08 +00:00
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this._primaryTouchIdentifier = null;
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this._preventNextContextMenu = false;
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this._preventNextMouseDown = false;
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this._preventNextClick = false;
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this._preventScroll = false;
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2020-09-13 15:33:10 +00:00
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this._penPointerPressed = false;
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this._penPointerReleased = false;
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2020-09-13 15:58:07 +00:00
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this._pointerIdTypeMap = new Map();
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2020-05-02 16:47:15 +00:00
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this._canClearSelection = true;
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}
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get canClearSelection() {
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return this._canClearSelection;
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}
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set canClearSelection(value) {
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this._canClearSelection = value;
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2019-12-05 01:58:35 +00:00
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}
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2020-05-07 23:45:08 +00:00
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get ignoreNodes() {
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return this._ignoreNodes;
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}
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set ignoreNodes(value) {
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this._ignoreNodes = value;
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}
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2020-06-21 20:14:05 +00:00
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prepare() {
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this._isPrepared = true;
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this.setEnabled(this._enabled);
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}
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2020-05-08 23:05:50 +00:00
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setEnabled(enabled) {
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2020-09-12 23:42:09 +00:00
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this._enabled = enabled;
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2020-09-12 23:36:51 +00:00
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const value = enabled && this._isPrepared;
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if (this._enabledValue === value) { return; }
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2020-05-08 23:05:50 +00:00
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this._eventListeners.removeAllEventListeners();
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2020-09-11 22:44:53 +00:00
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this._primaryTouchIdentifier = null;
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this._preventNextContextMenu = false;
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this._preventNextMouseDown = false;
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this._preventNextClick = false;
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this._preventScroll = false;
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2020-09-13 15:33:10 +00:00
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this._penPointerPressed = false;
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this._penPointerReleased = false;
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2020-09-13 15:58:07 +00:00
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this._pointerIdTypeMap.clear();
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2020-09-11 22:44:53 +00:00
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2020-09-12 23:36:51 +00:00
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this._enabledValue = value;
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2020-09-11 22:44:53 +00:00
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2020-09-12 23:36:51 +00:00
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if (value) {
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2020-05-08 23:05:50 +00:00
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this._hookEvents();
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} else {
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this.clearSelection(true);
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}
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}
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2020-09-13 15:33:10 +00:00
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setOptions({inputs, deepContentScan, selectText, delay, touchInputEnabled, pointerEventsEnabled, scanLength, sentenceExtent, layoutAwareScan}) {
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2020-09-09 20:59:03 +00:00
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if (Array.isArray(inputs)) {
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2020-09-13 15:33:10 +00:00
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this._inputs = inputs.map(({
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include,
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exclude,
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types,
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options: {scanOnPenHover, scanOnPenPress, scanOnPenRelease}
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}) => ({
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2020-09-09 20:59:03 +00:00
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include: this._getInputArray(include),
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2020-09-11 18:13:52 +00:00
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exclude: this._getInputArray(exclude),
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2020-09-13 15:33:10 +00:00
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types: this._getInputTypeSet(types),
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options: {scanOnPenHover, scanOnPenPress, scanOnPenRelease}
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2020-09-09 20:59:03 +00:00
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}));
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}
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2020-08-09 17:19:42 +00:00
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if (typeof deepContentScan === 'boolean') {
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this._deepContentScan = deepContentScan;
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}
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if (typeof selectText === 'boolean') {
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this._selectText = selectText;
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}
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if (typeof delay === 'number') {
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this._delay = delay;
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}
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if (typeof touchInputEnabled === 'boolean') {
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2020-09-06 01:44:05 +00:00
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this._touchInputEnabled = touchInputEnabled;
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2020-08-09 17:19:42 +00:00
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}
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2020-09-13 15:33:10 +00:00
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if (typeof pointerEventsEnabled === 'boolean') {
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this._pointerEventsEnabled = pointerEventsEnabled;
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}
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2020-08-22 18:40:44 +00:00
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if (typeof scanLength === 'number') {
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this._scanLength = scanLength;
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}
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if (typeof sentenceExtent === 'number') {
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this._sentenceExtent = sentenceExtent;
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}
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if (typeof layoutAwareScan === 'boolean') {
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this._layoutAwareScan = layoutAwareScan;
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}
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2020-05-08 23:05:50 +00:00
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}
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2020-06-21 20:07:51 +00:00
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getTextSourceContent(textSource, length, layoutAwareScan) {
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2020-05-08 23:05:50 +00:00
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const clonedTextSource = textSource.clone();
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2020-06-21 20:07:51 +00:00
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clonedTextSource.setEndOffset(length, layoutAwareScan);
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2020-05-08 23:05:50 +00:00
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if (this._ignoreNodes !== null && clonedTextSource.range) {
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length = clonedTextSource.text().length;
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while (clonedTextSource.range && length > 0) {
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2020-08-10 01:07:11 +00:00
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const nodes = DocumentUtil.getNodesInRange(clonedTextSource.range);
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if (!DocumentUtil.anyNodeMatchesSelector(nodes, this._ignoreNodes)) {
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2020-05-08 23:05:50 +00:00
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break;
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}
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--length;
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2020-06-21 20:07:51 +00:00
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clonedTextSource.setEndOffset(length, layoutAwareScan);
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2020-05-08 23:05:50 +00:00
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}
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}
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return clonedTextSource.text();
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}
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2020-09-08 23:40:15 +00:00
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hasSelection() {
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return (this._textSourceCurrent !== null);
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}
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2020-05-08 23:05:50 +00:00
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clearSelection(passive) {
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if (!this._canClearSelection) { return; }
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if (this._textSourceCurrent !== null) {
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if (this._textSourceCurrentSelected) {
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this._textSourceCurrent.deselect();
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}
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this._textSourceCurrent = null;
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this._textSourceCurrentSelected = false;
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2020-09-08 23:23:32 +00:00
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this._inputCurrent = null;
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2020-05-08 23:05:50 +00:00
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}
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this.trigger('clearSelection', {passive});
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}
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getCurrentTextSource() {
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return this._textSourceCurrent;
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}
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setCurrentTextSource(textSource) {
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this._textSourceCurrent = textSource;
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2020-08-09 17:19:42 +00:00
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if (this._selectText) {
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2020-05-08 23:05:50 +00:00
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this._textSourceCurrent.select();
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this._textSourceCurrentSelected = true;
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} else {
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this._textSourceCurrentSelected = false;
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}
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}
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2020-09-08 22:52:23 +00:00
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async searchLast() {
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2020-09-08 23:23:32 +00:00
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if (this._textSourceCurrent !== null && this._inputCurrent !== null) {
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await this._search(this._textSourceCurrent, this._inputCurrent);
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2020-09-08 22:52:23 +00:00
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return true;
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}
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return false;
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}
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async search(textSource) {
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2020-09-09 20:59:03 +00:00
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return await this._search(textSource, {cause: 'script', index: -1, empty: false});
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2020-09-08 22:52:23 +00:00
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}
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// Private
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2020-09-08 23:23:32 +00:00
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async _search(textSource, input) {
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2020-09-06 01:43:19 +00:00
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let definitions = null;
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let sentence = null;
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let type = null;
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let error = null;
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let searched = false;
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let optionsContext = null;
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2020-08-22 18:40:44 +00:00
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2020-09-06 01:43:19 +00:00
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try {
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if (this._textSourceCurrent !== null && this._textSourceCurrent.equals(textSource)) {
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return;
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}
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2020-08-22 18:40:44 +00:00
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2020-09-06 01:43:19 +00:00
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optionsContext = await this._getOptionsContext();
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searched = true;
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2020-08-22 18:40:44 +00:00
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2020-09-08 23:23:32 +00:00
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const result = await this._findDefinitions(textSource, optionsContext);
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2020-09-06 01:43:19 +00:00
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if (result !== null) {
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({definitions, sentence, type} = result);
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2020-09-08 23:23:32 +00:00
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this._inputCurrent = input;
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2020-09-06 01:43:19 +00:00
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this.setCurrentTextSource(textSource);
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}
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} catch (e) {
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error = e;
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}
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2020-08-22 18:40:44 +00:00
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2020-09-06 01:43:19 +00:00
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if (!searched) { return; }
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2020-08-22 18:40:44 +00:00
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2020-09-06 01:43:19 +00:00
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this.trigger('searched', {
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textScanner: this,
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type,
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definitions,
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sentence,
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2020-09-08 23:23:32 +00:00
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input,
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2020-09-06 01:43:19 +00:00
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textSource,
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optionsContext,
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error
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});
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2020-08-22 18:40:44 +00:00
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}
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2020-05-07 23:45:08 +00:00
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_onMouseOver(e) {
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if (this._ignoreElements().includes(e.target)) {
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this._scanTimerClear();
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2019-12-05 01:58:35 +00:00
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}
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}
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2020-05-07 23:45:08 +00:00
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_onMouseMove(e) {
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this._scanTimerClear();
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2019-12-05 01:58:35 +00:00
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2020-09-06 01:43:19 +00:00
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if (DocumentUtil.isMouseButtonDown(e, 'primary')) {
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2019-12-05 01:58:35 +00:00
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return;
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}
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2020-09-11 18:13:52 +00:00
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const inputInfo = this._getMatchingInputGroupFromEvent(e, 'mouse');
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2020-09-09 20:59:03 +00:00
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if (inputInfo === null) { return; }
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2019-12-05 01:58:35 +00:00
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2020-09-09 20:59:03 +00:00
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const {index, empty} = inputInfo;
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2020-09-12 02:46:41 +00:00
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this._searchAtFromMouseMove(e.clientX, e.clientY, index, empty);
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2019-12-05 01:58:35 +00:00
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}
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2020-05-07 23:45:08 +00:00
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_onMouseDown(e) {
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if (this._preventNextMouseDown) {
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this._preventNextMouseDown = false;
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this._preventNextClick = true;
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2019-12-05 01:58:35 +00:00
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e.preventDefault();
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e.stopPropagation();
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return false;
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}
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2020-08-10 01:07:11 +00:00
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if (DocumentUtil.isMouseButtonDown(e, 'primary')) {
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2020-05-07 23:45:08 +00:00
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this._scanTimerClear();
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2020-04-27 22:10:37 +00:00
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this.clearSelection(false);
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2019-12-05 01:58:35 +00:00
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}
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}
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2020-05-07 23:45:08 +00:00
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_onMouseOut() {
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this._scanTimerClear();
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2019-12-05 01:58:35 +00:00
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}
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2020-05-07 23:45:08 +00:00
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_onClick(e) {
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2020-09-06 01:43:19 +00:00
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if (this._searchOnClick) {
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2020-09-12 00:24:51 +00:00
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this._searchAt(e.clientX, e.clientY, {type: 'mouse', cause: 'click', index: -1, empty: false});
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2020-09-06 01:43:19 +00:00
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}
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2020-05-07 23:45:08 +00:00
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if (this._preventNextClick) {
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this._preventNextClick = false;
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2019-12-05 01:58:35 +00:00
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e.preventDefault();
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e.stopPropagation();
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return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_onAuxClick() {
|
|
|
|
this._preventNextContextMenu = false;
|
2019-12-05 01:58:35 +00:00
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_onContextMenu(e) {
|
|
|
|
if (this._preventNextContextMenu) {
|
|
|
|
this._preventNextContextMenu = false;
|
2019-12-05 01:58:35 +00:00
|
|
|
e.preventDefault();
|
|
|
|
e.stopPropagation();
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_onTouchStart(e) {
|
|
|
|
if (this._primaryTouchIdentifier !== null || e.changedTouches.length === 0) {
|
2019-12-05 01:58:35 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2020-09-12 00:24:51 +00:00
|
|
|
const {clientX, clientY, identifier} = e.changedTouches[0];
|
|
|
|
this._onPrimaryTouchStart(e, clientX, clientY, identifier);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPrimaryTouchStart(e, x, y, identifier) {
|
2020-05-07 23:45:08 +00:00
|
|
|
this._preventScroll = false;
|
|
|
|
this._preventNextContextMenu = false;
|
|
|
|
this._preventNextMouseDown = false;
|
|
|
|
this._preventNextClick = false;
|
2019-12-05 01:58:35 +00:00
|
|
|
|
2020-09-12 00:24:51 +00:00
|
|
|
if (DocumentUtil.isPointInSelection(x, y, window.getSelection())) {
|
2019-12-05 01:58:35 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2020-09-12 00:24:51 +00:00
|
|
|
this._primaryTouchIdentifier = identifier;
|
2019-12-05 01:58:35 +00:00
|
|
|
|
2020-09-12 00:24:51 +00:00
|
|
|
this._searchAtFromTouchStart(e, x, y);
|
2019-12-05 01:58:35 +00:00
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_onTouchEnd(e) {
|
2019-12-05 01:58:35 +00:00
|
|
|
if (
|
2020-05-07 23:45:08 +00:00
|
|
|
this._primaryTouchIdentifier === null ||
|
|
|
|
this._getTouch(e.changedTouches, this._primaryTouchIdentifier) === null
|
2019-12-05 01:58:35 +00:00
|
|
|
) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2020-09-12 00:24:51 +00:00
|
|
|
this._onPrimaryTouchEnd();
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPrimaryTouchEnd() {
|
2020-05-07 23:45:08 +00:00
|
|
|
this._primaryTouchIdentifier = null;
|
|
|
|
this._preventScroll = false;
|
|
|
|
this._preventNextClick = false;
|
|
|
|
// Don't revert context menu and mouse down prevention, since these events can occur after the touch has ended.
|
|
|
|
// I.e. this._preventNextContextMenu and this._preventNextMouseDown should not be assigned to false.
|
2019-12-05 01:58:35 +00:00
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_onTouchCancel(e) {
|
|
|
|
this._onTouchEnd(e);
|
2019-12-05 01:58:35 +00:00
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_onTouchMove(e) {
|
|
|
|
if (!this._preventScroll || !e.cancelable || this._primaryTouchIdentifier === null) {
|
2019-12-05 01:58:35 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
const primaryTouch = this._getTouch(e.changedTouches, this._primaryTouchIdentifier);
|
2020-02-15 18:46:21 +00:00
|
|
|
if (primaryTouch === null) {
|
2019-12-05 01:58:35 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2020-09-12 00:24:51 +00:00
|
|
|
const type = 'touch';
|
|
|
|
const inputInfo = this._getMatchingInputGroupFromEvent(e, type);
|
2020-09-11 18:13:52 +00:00
|
|
|
if (inputInfo === null) { return; }
|
|
|
|
|
|
|
|
const {index, empty} = inputInfo;
|
2020-09-12 00:24:51 +00:00
|
|
|
this._searchAt(primaryTouch.clientX, primaryTouch.clientY, {type, cause: 'touchMove', index, empty});
|
2019-12-05 01:58:35 +00:00
|
|
|
|
|
|
|
e.preventDefault(); // Disable scroll
|
|
|
|
}
|
|
|
|
|
2020-09-13 15:33:10 +00:00
|
|
|
_onPointerOver(e) {
|
2020-09-13 15:58:07 +00:00
|
|
|
const {pointerType, pointerId, isPrimary} = e;
|
|
|
|
if (pointerType === 'pen') {
|
|
|
|
this._pointerIdTypeMap.set(pointerId, pointerType);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!isPrimary) { return; }
|
|
|
|
switch (pointerType) {
|
2020-09-13 15:33:10 +00:00
|
|
|
case 'mouse': return this._onMousePointerOver(e);
|
|
|
|
case 'touch': return this._onTouchPointerOver(e);
|
|
|
|
case 'pen': return this._onPenPointerOver(e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPointerDown(e) {
|
|
|
|
if (!e.isPrimary) { return; }
|
2020-09-13 15:58:07 +00:00
|
|
|
switch (this._getPointerEventType(e)) {
|
2020-09-13 15:33:10 +00:00
|
|
|
case 'mouse': return this._onMousePointerDown(e);
|
|
|
|
case 'touch': return this._onTouchPointerDown(e);
|
|
|
|
case 'pen': return this._onPenPointerDown(e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPointerMove(e) {
|
|
|
|
if (!e.isPrimary) { return; }
|
2020-09-13 15:58:07 +00:00
|
|
|
switch (this._getPointerEventType(e)) {
|
2020-09-13 15:33:10 +00:00
|
|
|
case 'mouse': return this._onMousePointerMove(e);
|
|
|
|
case 'touch': return this._onTouchPointerMove(e);
|
|
|
|
case 'pen': return this._onPenPointerMove(e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPointerUp(e) {
|
|
|
|
if (!e.isPrimary) { return; }
|
2020-09-13 15:58:07 +00:00
|
|
|
switch (this._getPointerEventType(e)) {
|
2020-09-13 15:33:10 +00:00
|
|
|
case 'mouse': return this._onMousePointerUp(e);
|
|
|
|
case 'touch': return this._onTouchPointerUp(e);
|
|
|
|
case 'pen': return this._onPenPointerUp(e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPointerCancel(e) {
|
2020-09-13 15:58:07 +00:00
|
|
|
this._pointerIdTypeMap.delete(e.pointerId);
|
2020-09-13 15:33:10 +00:00
|
|
|
if (!e.isPrimary) { return; }
|
|
|
|
switch (e.pointerType) {
|
|
|
|
case 'mouse': return this._onMousePointerCancel(e);
|
|
|
|
case 'touch': return this._onTouchPointerCancel(e);
|
|
|
|
case 'pen': return this._onPenPointerCancel(e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPointerOut(e) {
|
2020-09-13 15:58:07 +00:00
|
|
|
this._pointerIdTypeMap.delete(e.pointerId);
|
2020-09-13 15:33:10 +00:00
|
|
|
if (!e.isPrimary) { return; }
|
|
|
|
switch (e.pointerType) {
|
|
|
|
case 'mouse': return this._onMousePointerOut(e);
|
|
|
|
case 'touch': return this._onTouchPointerOut(e);
|
|
|
|
case 'pen': return this._onPenPointerOut(e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_onMousePointerOver(e) {
|
|
|
|
return this._onMouseOver(e);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onMousePointerDown(e) {
|
|
|
|
return this._onMouseDown(e);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onMousePointerMove(e) {
|
|
|
|
return this._onMouseMove(e);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onMousePointerUp() {
|
|
|
|
// NOP
|
|
|
|
}
|
|
|
|
|
|
|
|
_onMousePointerCancel(e) {
|
|
|
|
return this._onMouseOut(e);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onMousePointerOut(e) {
|
|
|
|
return this._onMouseOut(e);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onTouchPointerOver() {
|
|
|
|
// NOP
|
|
|
|
}
|
|
|
|
|
|
|
|
_onTouchPointerDown(e) {
|
|
|
|
const {clientX, clientY, pointerId} = e;
|
|
|
|
return this._onPrimaryTouchStart(e, clientX, clientY, pointerId);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onTouchPointerMove(e) {
|
|
|
|
if (!this._preventScroll || !e.cancelable) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
const inputInfo = this._getMatchingInputGroupFromEvent(e, 'touch');
|
|
|
|
if (inputInfo === null) { return; }
|
|
|
|
|
|
|
|
const {index, empty} = inputInfo;
|
|
|
|
this._searchAt(e.clientX, e.clientY, {type: 'touch', cause: 'touchMove', index, empty});
|
|
|
|
}
|
|
|
|
|
|
|
|
_onTouchPointerUp() {
|
|
|
|
return this._onPrimaryTouchEnd();
|
|
|
|
}
|
|
|
|
|
|
|
|
_onTouchPointerCancel() {
|
|
|
|
return this._onPrimaryTouchEnd();
|
|
|
|
}
|
|
|
|
|
|
|
|
_onTouchPointerOut() {
|
|
|
|
// NOP
|
|
|
|
}
|
|
|
|
|
|
|
|
_onTouchMovePreventScroll(e) {
|
|
|
|
if (!this._preventScroll) { return; }
|
|
|
|
|
|
|
|
if (e.cancelable) {
|
|
|
|
e.preventDefault();
|
|
|
|
} else {
|
|
|
|
this._preventScroll = false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPenPointerOver(e) {
|
|
|
|
this._penPointerPressed = false;
|
|
|
|
this._penPointerReleased = false;
|
|
|
|
this._searchAtFromPen(e, e.clientX, e.clientY, 'pointerOver', false);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPenPointerDown(e) {
|
|
|
|
this._penPointerPressed = true;
|
|
|
|
this._searchAtFromPen(e, e.clientX, e.clientY, 'pointerDown', true);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPenPointerMove(e) {
|
|
|
|
if (this._penPointerPressed && (!this._preventScroll || !e.cancelable)) { return; }
|
|
|
|
this._searchAtFromPen(e, e.clientX, e.clientY, 'pointerMove', true);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPenPointerUp() {
|
|
|
|
this._penPointerPressed = false;
|
|
|
|
this._penPointerReleased = true;
|
|
|
|
this._preventScroll = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPenPointerCancel(e) {
|
|
|
|
this._onPenPointerOut(e);
|
|
|
|
}
|
|
|
|
|
|
|
|
_onPenPointerOut() {
|
|
|
|
this._penPointerPressed = false;
|
|
|
|
this._penPointerReleased = false;
|
|
|
|
this._preventScroll = false;
|
|
|
|
this._preventNextContextMenu = false;
|
|
|
|
this._preventNextMouseDown = false;
|
|
|
|
this._preventNextClick = false;
|
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
async _scanTimerWait() {
|
2020-08-09 17:19:42 +00:00
|
|
|
const delay = this._delay;
|
2019-12-05 01:58:35 +00:00
|
|
|
const promise = promiseTimeout(delay, true);
|
2020-05-07 23:45:08 +00:00
|
|
|
this._scanTimerPromise = promise;
|
2019-12-05 01:58:35 +00:00
|
|
|
try {
|
|
|
|
return await promise;
|
|
|
|
} finally {
|
2020-05-07 23:45:08 +00:00
|
|
|
if (this._scanTimerPromise === promise) {
|
|
|
|
this._scanTimerPromise = null;
|
2019-12-05 01:58:35 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_scanTimerClear() {
|
|
|
|
if (this._scanTimerPromise !== null) {
|
|
|
|
this._scanTimerPromise.resolve(false);
|
|
|
|
this._scanTimerPromise = null;
|
2019-12-05 01:58:35 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-13 15:33:10 +00:00
|
|
|
_arePointerEventsSupported() {
|
|
|
|
return (this._pointerEventsEnabled && typeof PointerEvent !== 'undefined');
|
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_hookEvents() {
|
2020-09-13 15:33:10 +00:00
|
|
|
let eventListenerInfos;
|
|
|
|
if (this._arePointerEventsSupported()) {
|
|
|
|
eventListenerInfos = this._getPointerEventListeners();
|
|
|
|
} else {
|
|
|
|
eventListenerInfos = this._getMouseEventListeners();
|
|
|
|
if (this._touchInputEnabled) {
|
|
|
|
eventListenerInfos.push(...this._getTouchEventListeners());
|
|
|
|
}
|
2019-12-06 19:39:29 +00:00
|
|
|
}
|
|
|
|
|
2020-02-16 21:33:48 +00:00
|
|
|
for (const [node, type, listener, options] of eventListenerInfos) {
|
2020-05-07 23:45:08 +00:00
|
|
|
this._eventListeners.addEventListener(node, type, listener, options);
|
2019-12-05 01:58:35 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-13 15:33:10 +00:00
|
|
|
_getPointerEventListeners() {
|
|
|
|
return [
|
|
|
|
[this._node, 'pointerover', this._onPointerOver.bind(this)],
|
|
|
|
[this._node, 'pointerdown', this._onPointerDown.bind(this)],
|
|
|
|
[this._node, 'pointermove', this._onPointerMove.bind(this)],
|
|
|
|
[this._node, 'pointerup', this._onPointerUp.bind(this)],
|
|
|
|
[this._node, 'pointercancel', this._onPointerCancel.bind(this)],
|
|
|
|
[this._node, 'pointerout', this._onPointerOut.bind(this)],
|
|
|
|
[this._node, 'touchmove', this._onTouchMovePreventScroll.bind(this), {passive: false}],
|
|
|
|
[this._node, 'mousedown', this._onMouseDown.bind(this)],
|
|
|
|
[this._node, 'click', this._onClick.bind(this)],
|
|
|
|
[this._node, 'auxclick', this._onAuxClick.bind(this)]
|
|
|
|
];
|
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_getMouseEventListeners() {
|
2019-12-06 19:39:29 +00:00
|
|
|
return [
|
2020-05-07 23:45:08 +00:00
|
|
|
[this._node, 'mousedown', this._onMouseDown.bind(this)],
|
|
|
|
[this._node, 'mousemove', this._onMouseMove.bind(this)],
|
|
|
|
[this._node, 'mouseover', this._onMouseOver.bind(this)],
|
2020-09-06 01:43:19 +00:00
|
|
|
[this._node, 'mouseout', this._onMouseOut.bind(this)],
|
|
|
|
[this._node, 'click', this._onClick.bind(this)]
|
2019-12-06 19:39:29 +00:00
|
|
|
];
|
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_getTouchEventListeners() {
|
2019-12-06 19:39:29 +00:00
|
|
|
return [
|
2020-05-07 23:45:08 +00:00
|
|
|
[this._node, 'auxclick', this._onAuxClick.bind(this)],
|
|
|
|
[this._node, 'touchstart', this._onTouchStart.bind(this)],
|
|
|
|
[this._node, 'touchend', this._onTouchEnd.bind(this)],
|
|
|
|
[this._node, 'touchcancel', this._onTouchCancel.bind(this)],
|
|
|
|
[this._node, 'touchmove', this._onTouchMove.bind(this), {passive: false}],
|
|
|
|
[this._node, 'contextmenu', this._onContextMenu.bind(this)]
|
2019-12-06 19:39:29 +00:00
|
|
|
];
|
|
|
|
}
|
|
|
|
|
2020-05-07 23:45:08 +00:00
|
|
|
_getTouch(touchList, identifier) {
|
2020-02-15 18:46:21 +00:00
|
|
|
for (const touch of touchList) {
|
|
|
|
if (touch.identifier === identifier) {
|
|
|
|
return touch;
|
2019-12-05 01:58:35 +00:00
|
|
|
}
|
|
|
|
}
|
2020-02-15 18:46:21 +00:00
|
|
|
return null;
|
2019-12-05 01:58:35 +00:00
|
|
|
}
|
2020-09-06 01:43:19 +00:00
|
|
|
|
|
|
|
async _findDefinitions(textSource, optionsContext) {
|
|
|
|
if (textSource === null) {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
if (this._searchTerms) {
|
|
|
|
const results = await this._findTerms(textSource, optionsContext);
|
|
|
|
if (results !== null) { return results; }
|
|
|
|
}
|
|
|
|
if (this._searchKanji) {
|
|
|
|
const results = await this._findKanji(textSource, optionsContext);
|
|
|
|
if (results !== null) { return results; }
|
|
|
|
}
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
async _findTerms(textSource, optionsContext) {
|
|
|
|
const scanLength = this._scanLength;
|
|
|
|
const sentenceExtent = this._sentenceExtent;
|
|
|
|
const layoutAwareScan = this._layoutAwareScan;
|
|
|
|
const searchText = this.getTextSourceContent(textSource, scanLength, layoutAwareScan);
|
|
|
|
if (searchText.length === 0) { return null; }
|
|
|
|
|
|
|
|
const {definitions, length} = await api.termsFind(searchText, {}, optionsContext);
|
|
|
|
if (definitions.length === 0) { return null; }
|
|
|
|
|
|
|
|
textSource.setEndOffset(length, layoutAwareScan);
|
|
|
|
const sentence = this._documentUtil.extractSentence(textSource, sentenceExtent, layoutAwareScan);
|
|
|
|
|
|
|
|
return {definitions, sentence, type: 'terms'};
|
|
|
|
}
|
|
|
|
|
|
|
|
async _findKanji(textSource, optionsContext) {
|
|
|
|
const sentenceExtent = this._sentenceExtent;
|
|
|
|
const layoutAwareScan = this._layoutAwareScan;
|
|
|
|
const searchText = this.getTextSourceContent(textSource, 1, layoutAwareScan);
|
|
|
|
if (searchText.length === 0) { return null; }
|
|
|
|
|
|
|
|
const definitions = await api.kanjiFind(searchText, optionsContext);
|
|
|
|
if (definitions.length === 0) { return null; }
|
|
|
|
|
|
|
|
textSource.setEndOffset(1, layoutAwareScan);
|
|
|
|
const sentence = this._documentUtil.extractSentence(textSource, sentenceExtent, layoutAwareScan);
|
|
|
|
|
|
|
|
return {definitions, sentence, type: 'kanji'};
|
|
|
|
}
|
|
|
|
|
2020-09-08 23:23:32 +00:00
|
|
|
async _searchAt(x, y, input) {
|
2020-09-06 01:43:19 +00:00
|
|
|
if (this._pendingLookup) { return; }
|
|
|
|
|
|
|
|
try {
|
|
|
|
this._pendingLookup = true;
|
|
|
|
this._scanTimerClear();
|
|
|
|
|
|
|
|
if (typeof this._ignorePoint === 'function' && await this._ignorePoint(x, y)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
const textSource = this._documentUtil.getRangeFromPoint(x, y, this._deepContentScan);
|
|
|
|
try {
|
2020-09-08 23:23:32 +00:00
|
|
|
await this._search(textSource, input);
|
2020-09-06 01:43:19 +00:00
|
|
|
} finally {
|
|
|
|
if (textSource !== null) {
|
|
|
|
textSource.cleanup();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} catch (e) {
|
|
|
|
yomichan.logError(e);
|
|
|
|
} finally {
|
|
|
|
this._pendingLookup = false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-12 02:46:41 +00:00
|
|
|
async _searchAtFromMouseMove(x, y, inputIndex, inputEmpty) {
|
2020-09-06 01:43:19 +00:00
|
|
|
if (this._pendingLookup) { return; }
|
|
|
|
|
2020-09-09 20:59:03 +00:00
|
|
|
if (inputEmpty) {
|
2020-09-06 01:43:19 +00:00
|
|
|
if (!await this._scanTimerWait()) {
|
|
|
|
// Aborted
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-12 02:46:41 +00:00
|
|
|
await this._searchAt(x, y, {type: 'mouse', cause: 'mouseMove', index: inputIndex, empty: inputEmpty});
|
2020-09-06 01:43:19 +00:00
|
|
|
}
|
|
|
|
|
2020-09-11 18:13:52 +00:00
|
|
|
async _searchAtFromTouchStart(e, x, y) {
|
2020-09-06 01:43:19 +00:00
|
|
|
if (this._pendingLookup) { return; }
|
|
|
|
|
2020-09-12 00:24:51 +00:00
|
|
|
const type = 'touch';
|
|
|
|
const cause = 'touchStart';
|
|
|
|
const inputInfo = this._getMatchingInputGroupFromEvent(e, type);
|
2020-09-11 18:13:52 +00:00
|
|
|
if (inputInfo === null) { return; }
|
|
|
|
|
|
|
|
const {index, empty} = inputInfo;
|
2020-09-06 01:43:19 +00:00
|
|
|
const textSourceCurrentPrevious = this._textSourceCurrent !== null ? this._textSourceCurrent.clone() : null;
|
|
|
|
|
2020-09-12 00:24:51 +00:00
|
|
|
await this._searchAt(x, y, {type, cause, index, empty});
|
2020-09-06 01:43:19 +00:00
|
|
|
|
|
|
|
if (
|
|
|
|
this._textSourceCurrent !== null &&
|
|
|
|
!this._textSourceCurrent.equals(textSourceCurrentPrevious)
|
|
|
|
) {
|
|
|
|
this._preventScroll = true;
|
|
|
|
this._preventNextContextMenu = true;
|
|
|
|
this._preventNextMouseDown = true;
|
|
|
|
}
|
|
|
|
}
|
2020-09-09 20:59:03 +00:00
|
|
|
|
2020-09-13 15:33:10 +00:00
|
|
|
async _searchAtFromPen(e, x, y, cause, prevent) {
|
|
|
|
if (this._pendingLookup) { return; }
|
|
|
|
|
|
|
|
const type = 'pen';
|
|
|
|
const inputInfo = this._getMatchingInputGroupFromEvent(e, type);
|
|
|
|
if (inputInfo === null) { return; }
|
|
|
|
|
|
|
|
const {index, empty, input: {options}} = inputInfo;
|
|
|
|
if (
|
|
|
|
(!options.scanOnPenRelease && this._penPointerReleased) ||
|
|
|
|
!(this._penPointerPressed ? options.scanOnPenPress : options.scanOnPenHover)
|
|
|
|
) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
await this._searchAt(x, y, {type, cause, index, empty});
|
|
|
|
|
|
|
|
if (
|
|
|
|
prevent &&
|
|
|
|
this._textSourceCurrent !== null
|
|
|
|
) {
|
|
|
|
this._preventScroll = true;
|
|
|
|
this._preventNextContextMenu = true;
|
|
|
|
this._preventNextMouseDown = true;
|
|
|
|
this._preventNextClick = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-11 18:13:52 +00:00
|
|
|
_getMatchingInputGroupFromEvent(event, type) {
|
|
|
|
const modifiers = DocumentUtil.getActiveModifiersAndButtons(event);
|
|
|
|
this.trigger('activeModifiersChanged', {modifiers});
|
|
|
|
return this._getMatchingInputGroup(modifiers, type);
|
|
|
|
}
|
|
|
|
|
|
|
|
_getMatchingInputGroup(modifiers, type) {
|
2020-09-09 20:59:03 +00:00
|
|
|
let fallback = null;
|
|
|
|
for (let i = 0, ii = this._inputs.length; i < ii; ++i) {
|
|
|
|
const input = this._inputs[i];
|
2020-09-11 18:13:52 +00:00
|
|
|
const {include, exclude, types} = input;
|
|
|
|
if (!types.has(type)) { continue; }
|
2020-09-09 20:59:03 +00:00
|
|
|
if (this._setHasAll(modifiers, include) && (exclude.length === 0 || !this._setHasAll(modifiers, exclude))) {
|
|
|
|
if (include.length > 0) {
|
|
|
|
return {index: i, empty: false, input};
|
|
|
|
} else if (fallback === null) {
|
|
|
|
fallback = {index: i, empty: true, input};
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return fallback;
|
|
|
|
}
|
|
|
|
|
|
|
|
_setHasAll(set, values) {
|
|
|
|
for (const value of values) {
|
|
|
|
if (!set.has(value)) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
_getInputArray(value) {
|
|
|
|
return (
|
|
|
|
typeof value === 'string' ?
|
|
|
|
value.split(/[,;\s]+/).map((v) => v.trim().toLowerCase()).filter((v) => v.length > 0) :
|
|
|
|
[]
|
|
|
|
);
|
|
|
|
}
|
2020-09-11 18:13:52 +00:00
|
|
|
|
|
|
|
_getInputTypeSet({mouse, touch, pen}) {
|
|
|
|
const set = new Set();
|
|
|
|
if (mouse) { set.add('mouse'); }
|
|
|
|
if (touch) { set.add('touch'); }
|
|
|
|
if (pen) { set.add('pen'); }
|
|
|
|
return set;
|
|
|
|
}
|
2020-09-13 15:58:07 +00:00
|
|
|
|
|
|
|
_getPointerEventType(e) {
|
|
|
|
// Workaround for Firefox bug not detecting certain 'touch' events as 'pen' events.
|
|
|
|
const cachedPointerType = this._pointerIdTypeMap.get(e.pointerId);
|
|
|
|
return (typeof cachedPointerType !== 'undefined' ? cachedPointerType : e.pointerType);
|
|
|
|
}
|
2019-12-05 01:58:35 +00:00
|
|
|
}
|