yomichan/ext/js/settings/scan-inputs-simple-controller.js

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/*
* Copyright (C) 2020-2021 Yomichan Authors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/* global
* HotkeyUtil
* ScanInputsController
* api
*/
class ScanInputsSimpleController {
constructor(settingsController) {
this._settingsController = settingsController;
this._middleMouseButtonScan = null;
this._mainScanModifierKeyInput = null;
this._mainScanModifierKeyInputHasOther = false;
this._hotkeyUtil = new HotkeyUtil();
}
async prepare() {
this._middleMouseButtonScan = document.querySelector('#middle-mouse-button-scan');
this._mainScanModifierKeyInput = document.querySelector('#main-scan-modifier-key');
const {platform: {os}} = await api.getEnvironmentInfo();
this._hotkeyUtil.os = os;
this._mainScanModifierKeyInputHasOther = false;
this._populateSelect(this._mainScanModifierKeyInput, this._mainScanModifierKeyInputHasOther);
const options = await this._settingsController.getOptions();
this._middleMouseButtonScan.addEventListener('change', this.onMiddleMouseButtonScanChange.bind(this), false);
this._mainScanModifierKeyInput.addEventListener('change', this._onMainScanModifierKeyInputChange.bind(this), false);
this._settingsController.on('scanInputsChanged', this._onScanInputsChanged.bind(this));
this._settingsController.on('optionsChanged', this._onOptionsChanged.bind(this));
this._onOptionsChanged({options});
}
async refresh() {
const options = await this._settingsController.getOptions();
this._onOptionsChanged({options});
}
// Private
_onScanInputsChanged({source}) {
if (source === this) { return; }
this.refresh();
}
_onOptionsChanged({options}) {
const {scanning: {inputs}} = options;
const middleMouseSupportedIndex = this._getIndexOfMiddleMouseButtonScanInput(inputs);
const mainScanInputIndex = this._getIndexOfMainScanInput(inputs);
const hasMainScanInput = (mainScanInputIndex >= 0);
let middleMouseSupported = false;
if (middleMouseSupportedIndex >= 0) {
const includeValues = this._splitValue(inputs[middleMouseSupportedIndex].include);
if (includeValues.includes('mouse2')) {
middleMouseSupported = true;
}
}
let mainScanInput = 'none';
if (hasMainScanInput) {
const includeValues = this._splitValue(inputs[mainScanInputIndex].include);
if (includeValues.length > 0) {
mainScanInput = includeValues[0];
}
} else {
mainScanInput = 'other';
}
this._setHasMainScanInput(hasMainScanInput);
this._middleMouseButtonScan.checked = middleMouseSupported;
this._mainScanModifierKeyInput.value = mainScanInput;
}
onMiddleMouseButtonScanChange(e) {
const middleMouseSupported = e.currentTarget.checked;
this._setMiddleMouseSuppported(middleMouseSupported);
}
_onMainScanModifierKeyInputChange(e) {
const mainScanKey = e.currentTarget.value;
if (mainScanKey === 'other') { return; }
const mainScanInputs = (mainScanKey === 'none' ? [] : [mainScanKey]);
this._setMainScanInputs(mainScanInputs);
}
_populateSelect(select, hasOther) {
const modifierKeys = [
{value: 'none', name: 'No key'}
];
for (const value of ['alt', 'ctrl', 'shift', 'meta']) {
const name = this._hotkeyUtil.getModifierDisplayValue(value);
modifierKeys.push({value, name});
}
if (hasOther) {
modifierKeys.push({value: 'other', name: 'Other'});
}
const fragment = document.createDocumentFragment();
for (const {value, name} of modifierKeys) {
const option = document.createElement('option');
option.value = value;
option.textContent = name;
fragment.appendChild(option);
}
select.textContent = '';
select.appendChild(fragment);
}
_splitValue(value) {
return value.split(/[,;\s]+/).map((v) => v.trim().toLowerCase()).filter((v) => v.length > 0);
}
async _setMiddleMouseSuppported(value) {
// Find target index
const options = await this._settingsController.getOptions();
const {scanning: {inputs}} = options;
const index = this._getIndexOfMiddleMouseButtonScanInput(inputs);
if (value) {
// Add new
if (index >= 0) { return; }
let insertionPosition = this._getIndexOfMainScanInput(inputs);
insertionPosition = (insertionPosition >= 0 ? insertionPosition + 1 : inputs.length);
const input = ScanInputsController.createDefaultMouseInput('mouse2', '');
await this._modifyProfileSettings([{
action: 'splice',
path: 'scanning.inputs',
start: insertionPosition,
deleteCount: 0,
items: [input]
}]);
} else {
// Modify existing
if (index < 0) { return; }
await this._modifyProfileSettings([{
action: 'splice',
path: 'scanning.inputs',
start: index,
deleteCount: 1,
items: []
}]);
}
}
async _setMainScanInputs(value) {
value = value.join(', ');
// Find target index
const options = await this._settingsController.getOptions();
const {scanning: {inputs}} = options;
const index = this._getIndexOfMainScanInput(inputs);
this._setHasMainScanInput(true);
if (index < 0) {
// Add new
const input = ScanInputsController.createDefaultMouseInput(value, 'mouse0');
await this._modifyProfileSettings([{
action: 'splice',
path: 'scanning.inputs',
start: inputs.length,
deleteCount: 0,
items: [input]
}]);
} else {
// Modify existing
await this._modifyProfileSettings([{
action: 'set',
path: `scanning.inputs[${index}].include`,
value
}]);
}
}
async _modifyProfileSettings(targets) {
await this._settingsController.modifyProfileSettings(targets);
this._settingsController.trigger('scanInputsChanged', {source: this});
}
_getIndexOfMainScanInput(inputs) {
for (let i = 0, ii = inputs.length; i < ii; ++i) {
const {include, exclude, types: {mouse}} = inputs[i];
if (!mouse) { continue; }
const includeValues = this._splitValue(include);
const excludeValues = this._splitValue(exclude);
if (
(
includeValues.length === 0 ||
(includeValues.length === 1 && !this._isMouseInput(includeValues[0]))
) &&
excludeValues.length === 1 &&
excludeValues[0] === 'mouse0'
) {
return i;
}
}
return -1;
}
_getIndexOfMiddleMouseButtonScanInput(inputs) {
for (let i = 0, ii = inputs.length; i < ii; ++i) {
const {include, exclude, types: {mouse}} = inputs[i];
if (!mouse) { continue; }
const includeValues = this._splitValue(include);
const excludeValues = this._splitValue(exclude);
if (
(includeValues.length === 1 && includeValues[0] === 'mouse2') &&
excludeValues.length === 0
) {
return i;
}
}
return -1;
}
_isMouseInput(input) {
return /^mouse\d+$/.test(input);
}
_setHasMainScanInput(hasMainScanInput) {
if (this._mainScanModifierKeyInputHasOther !== hasMainScanInput) { return; }
this._mainScanModifierKeyInputHasOther = !hasMainScanInput;
this._populateSelect(this._mainScanModifierKeyInput, this._mainScanModifierKeyInputHasOther);
}
}