yomichan/ext/bg/js/settings/scan-inputs-controller.js
2020-09-11 16:57:57 -04:00

195 lines
6.6 KiB
JavaScript

/*
* Copyright (C) 2020 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
* KeyboardMouseInputField
* api
*/
class ScanInputsController {
constructor(settingsController) {
this._settingsController = settingsController;
this._os = null;
this._container = null;
this._addButton = null;
this._entries = [];
}
async prepare() {
const {platform: {os}} = await api.getEnvironmentInfo();
this._os = os;
this._container = document.querySelector('#scan-input-list');
this._addButton = document.querySelector('#scan-input-add');
this._addButton.addEventListener('click', this._onAddButtonClick.bind(this), false);
this._settingsController.on('optionsChanged', this._onOptionsChanged.bind(this));
const options = await this._settingsController.getOptions();
this._onOptionsChanged({options});
}
removeInput(index) {
if (index < 0 || index >= this._entries.length) { return false; }
const input = this._entries[index];
input.cleanup();
this._entries.splice(index, 1);
for (let i = index, ii = this._entries.length; i < ii; ++i) {
this._entries[i].index = i;
}
this._settingsController.modifyProfileSettings([{
action: 'splice',
path: 'scanning.inputs',
start: index,
deleteCount: 1,
items: []
}]);
}
setProperty(index, property, value) {
const path = `scanning.inputs[${index}].${property}`;
this._settingsController.setProfileSetting(path, value);
}
// Private
_onOptionsChanged({options}) {
const {inputs} = options.scanning;
for (let i = this._entries.length - 1; i >= 0; --i) {
this._entries[i].cleanup();
}
this._entries.length = 0;
for (let i = 0, ii = inputs.length; i < ii; ++i) {
const {include, exclude} = inputs[i];
this._addOption(i, include, exclude);
}
}
_onAddButtonClick(e) {
e.preventDefault();
const index = this._entries.length;
const include = '';
const exclude = '';
this._addOption(index, include, exclude);
this._settingsController.modifyProfileSettings([{
action: 'splice',
path: 'scanning.inputs',
start: index,
deleteCount: 0,
items: [{
include,
exclude,
types: {mouse: true, touch: false, pen: false}
}]
}]);
}
_addOption(index, include, exclude) {
const field = new ScanInputField(this, index, this._os);
this._entries.push(field);
field.prepare(this._container, include, exclude);
}
}
class ScanInputField {
constructor(parent, index, os) {
this._parent = parent;
this._index = index;
this._os = os;
this._node = null;
this._includeInputField = null;
this._excludeInputField = null;
this._eventListeners = new EventListenerCollection();
}
get index() {
return this._index;
}
set index(value) {
this._index = value;
}
prepare(container, include, exclude) {
const node = this._instantiateTemplate('#scan-input-template');
const includeInputNode = node.querySelector('.scan-input-include .scan-input-field');
const includeMouseButton = node.querySelector('.scan-input-include .mouse-button');
const excludeInputNode = node.querySelector('.scan-input-exclude .scan-input-field');
const excludeMouseButton = node.querySelector('.scan-input-exclude .mouse-button');
const removeButton = node.querySelector('.scan-input-remove');
this._node = node;
container.appendChild(node);
const isPointerTypeSupported = this._isPointerTypeSupported.bind(this);
this._includeInputField = new KeyboardMouseInputField(includeInputNode, includeMouseButton, this._os, isPointerTypeSupported);
this._excludeInputField = new KeyboardMouseInputField(excludeInputNode, excludeMouseButton, this._os, isPointerTypeSupported);
this._includeInputField.prepare(include, 'modifierInputs');
this._excludeInputField.prepare(exclude, 'modifierInputs');
this._eventListeners.on(this._includeInputField, 'change', this._onIncludeValueChange.bind(this));
this._eventListeners.on(this._excludeInputField, 'change', this._onExcludeValueChange.bind(this));
this._eventListeners.addEventListener(removeButton, 'click', this._onRemoveClick.bind(this));
for (const typeCheckbox of node.querySelectorAll('.scan-input-type-checkbox')) {
const {type} = typeCheckbox.dataset;
typeCheckbox.dataset.setting = `scanning.inputs[${this._index}].types.${type}`;
}
}
cleanup() {
this._eventListeners.removeAllEventListeners();
if (this._includeInputField !== null) {
this._includeInputField.cleanup();
this._includeInputField = null;
}
if (this._node !== null) {
const parent = this._node.parentNode;
if (parent !== null) { parent.removeChild(this._node); }
this._node = null;
}
}
_onIncludeValueChange({value}) {
this._parent.setProperty(this._index, 'include', value);
}
_onExcludeValueChange({value}) {
this._parent.setProperty(this._index, 'exclude', value);
}
_onRemoveClick(e) {
e.preventDefault();
this._parent.removeInput(this._index);
}
_instantiateTemplate(templateSelector) {
const template = document.querySelector(templateSelector);
const content = document.importNode(template.content, true);
return content.firstChild;
}
_isPointerTypeSupported(pointerType) {
if (this._node === null) { return false; }
const node = this._node.querySelector(`input.scan-input-type-checkbox[data-type=${pointerType}]`);
return node !== null && node.checked;
}
}