126 lines
3.0 KiB
JavaScript
126 lines
3.0 KiB
JavaScript
// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity 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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// Parity 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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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import defaultViews from './Views/defaults';
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function initBackground (store, api) {
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const backgroundSeed = loadBackground() || api.util.sha3(`${Date.now()}`);
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store.dispatch({
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type: 'updateBackground',
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backgroundSeed
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});
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}
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function loadBackground () {
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return window.localStorage.getItem('backgroundSeed');
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}
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function saveBackground (backgroundSeed) {
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window.localStorage.setItem('backgroundSeed', backgroundSeed);
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}
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function initViews (store) {
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const { settings } = store.getState();
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const data = loadViews();
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const viewIds = Object.keys(data).filter((viewId) => {
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return settings.views[viewId] && data[viewId].active !== settings.views[viewId].active;
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});
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if (viewIds.length) {
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store.dispatch({ type: 'toggleViews', viewIds });
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}
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}
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function getFixedViews () {
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const views = {};
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Object.keys(defaultViews).forEach((id) => {
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if (defaultViews[id].fixed) {
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views[id] = { active: true };
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}
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});
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return views;
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}
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function getDefaultViews () {
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const views = {};
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Object.keys(defaultViews).forEach((id) => {
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views[id] = {
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active: defaultViews[id].active || false
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};
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});
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return views;
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}
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function loadViews () {
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const fixed = getFixedViews();
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const defaults = getDefaultViews();
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let data;
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try {
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const json = window.localStorage.getItem('views') || '{}';
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data = Object.assign(defaults, JSON.parse(json), fixed);
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} catch (e) {
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data = defaults;
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}
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return data;
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}
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function saveViews (store) {
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window.localStorage.setItem('views', JSON.stringify(getDefaultViews()));
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}
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function toggleViews (store, viewIds) {
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viewIds.forEach((id) => {
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defaultViews[id].active = !defaultViews[id].active;
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});
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saveViews(store);
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}
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export default class SettingsMiddleware {
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toMiddleware () {
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return (store) => (next) => (action) => {
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switch (action.type) {
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case 'initAll':
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initBackground(store, action.api);
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initViews(store);
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break;
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case 'toggleView':
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toggleViews(store, [action.viewId]);
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break;
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case 'toggleViews':
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toggleViews(store, action.viewIds);
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break;
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case 'updateBackground':
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saveBackground(action.backgroundSeed);
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break;
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}
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next(action);
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};
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}
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}
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