Files
tubestation/browser/extensions/activity-stream/common/Reducers.jsm
2017-07-24 15:31:35 -07:00

262 lines
8.1 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {actionTypes: at} = Components.utils.import("resource://activity-stream/common/Actions.jsm", {});
const INITIAL_STATE = {
App: {
// Have we received real data from the app yet?
initialized: false,
// The locale of the browser
locale: "",
// Localized strings with defaults
strings: {},
// The version of the system-addon
version: null
},
Snippets: {initialized: false},
TopSites: {
// Have we received real data from history yet?
initialized: false,
// The history (and possibly default) links
rows: []
},
Prefs: {
initialized: false,
values: {}
},
Dialog: {
visible: false,
data: {}
},
Sections: []
};
function App(prevState = INITIAL_STATE.App, action) {
switch (action.type) {
case at.INIT:
return Object.assign({}, action.data || {}, {initialized: true});
case at.LOCALE_UPDATED: {
if (!action.data) {
return prevState;
}
let {locale, strings} = action.data;
return Object.assign({}, prevState, {
locale,
strings
});
}
default:
return prevState;
}
}
/**
* insertPinned - Inserts pinned links in their specified slots
*
* @param {array} a list of links
* @param {array} a list of pinned links
* @return {array} resulting list of links with pinned links inserted
*/
function insertPinned(links, pinned) {
// Remove any pinned links
const pinnedUrls = pinned.map(link => link && link.url);
let newLinks = links.filter(link => (link ? !pinnedUrls.includes(link.url) : false));
newLinks = newLinks.map(link => {
if (link && link.isPinned) {
delete link.isPinned;
delete link.pinTitle;
delete link.pinIndex;
}
return link;
});
// Then insert them in their specified location
pinned.forEach((val, index) => {
if (!val) { return; }
let link = Object.assign({}, val, {isPinned: true, pinIndex: index, pinTitle: val.title});
if (index > newLinks.length) {
newLinks[index] = link;
} else {
newLinks.splice(index, 0, link);
}
});
return newLinks;
}
function TopSites(prevState = INITIAL_STATE.TopSites, action) {
let hasMatch;
let newRows;
let pinned;
switch (action.type) {
case at.TOP_SITES_UPDATED:
if (!action.data) {
return prevState;
}
return Object.assign({}, prevState, {initialized: true, rows: action.data});
case at.SCREENSHOT_UPDATED:
newRows = prevState.rows.map(row => {
if (row && row.url === action.data.url) {
hasMatch = true;
return Object.assign({}, row, {screenshot: action.data.screenshot});
}
return row;
});
return hasMatch ? Object.assign({}, prevState, {rows: newRows}) : prevState;
case at.PLACES_BOOKMARK_ADDED:
if (!action.data) {
return prevState;
}
newRows = prevState.rows.map(site => {
if (site && site.url === action.data.url) {
const {bookmarkGuid, bookmarkTitle, lastModified} = action.data;
return Object.assign({}, site, {bookmarkGuid, bookmarkTitle, bookmarkDateCreated: lastModified});
}
return site;
});
return Object.assign({}, prevState, {rows: newRows});
case at.PLACES_BOOKMARK_REMOVED:
if (!action.data) {
return prevState;
}
newRows = prevState.rows.map(site => {
if (site && site.url === action.data.url) {
const newSite = Object.assign({}, site);
delete newSite.bookmarkGuid;
delete newSite.bookmarkTitle;
delete newSite.bookmarkDateCreated;
return newSite;
}
return site;
});
return Object.assign({}, prevState, {rows: newRows});
case at.PLACES_LINK_DELETED:
case at.PLACES_LINK_BLOCKED:
newRows = prevState.rows.filter(val => val && val.url !== action.data.url);
return Object.assign({}, prevState, {rows: newRows});
case at.PINNED_SITES_UPDATED:
pinned = action.data;
newRows = insertPinned(prevState.rows, pinned);
return Object.assign({}, prevState, {rows: newRows});
default:
return prevState;
}
}
function Dialog(prevState = INITIAL_STATE.Dialog, action) {
switch (action.type) {
case at.DIALOG_OPEN:
return Object.assign({}, prevState, {visible: true, data: action.data});
case at.DIALOG_CANCEL:
return Object.assign({}, prevState, {visible: false});
case at.DELETE_HISTORY_URL:
return Object.assign({}, INITIAL_STATE.Dialog);
default:
return prevState;
}
}
function Prefs(prevState = INITIAL_STATE.Prefs, action) {
let newValues;
switch (action.type) {
case at.PREFS_INITIAL_VALUES:
return Object.assign({}, prevState, {initialized: true, values: action.data});
case at.PREF_CHANGED:
newValues = Object.assign({}, prevState.values);
newValues[action.data.name] = action.data.value;
return Object.assign({}, prevState, {values: newValues});
default:
return prevState;
}
}
function Sections(prevState = INITIAL_STATE.Sections, action) {
let hasMatch;
let newState;
switch (action.type) {
case at.SECTION_DEREGISTER:
return prevState.filter(section => section.id !== action.data);
case at.SECTION_REGISTER:
// If section exists in prevState, update it
newState = prevState.map(section => {
if (section && section.id === action.data.id) {
hasMatch = true;
return Object.assign({}, section, action.data);
}
return section;
});
// If section doesn't exist in prevState, create a new section object and
// append it to the sections state
if (!hasMatch) {
const initialized = action.data.rows && action.data.rows.length > 0;
newState.push(Object.assign({title: "", initialized, rows: []}, action.data));
}
return newState;
case at.SECTION_ROWS_UPDATE:
return prevState.map(section => {
if (section && section.id === action.data.id) {
return Object.assign({}, section, action.data);
}
return section;
});
case at.PLACES_BOOKMARK_ADDED:
if (!action.data) {
return prevState;
}
return prevState.map(section => Object.assign({}, section, {
rows: section.rows.map(item => {
// find the item within the rows that is attempted to be bookmarked
if (item.url === action.data.url) {
const {bookmarkGuid, bookmarkTitle, lastModified} = action.data;
Object.assign(item, {bookmarkGuid, bookmarkTitle, bookmarkDateCreated: lastModified});
}
return item;
})
}));
case at.PLACES_BOOKMARK_REMOVED:
if (!action.data) {
return prevState;
}
return prevState.map(section => Object.assign({}, section, {
rows: section.rows.map(item => {
// find the bookmark within the rows that is attempted to be removed
if (item.url === action.data.url) {
const newSite = Object.assign({}, item);
delete newSite.bookmarkGuid;
delete newSite.bookmarkTitle;
delete newSite.bookmarkDateCreated;
return newSite;
}
return item;
})
}));
case at.PLACES_LINK_DELETED:
case at.PLACES_LINK_BLOCKED:
return prevState.map(section =>
Object.assign({}, section, {rows: section.rows.filter(site => site.url !== action.data.url)}));
default:
return prevState;
}
}
function Snippets(prevState = INITIAL_STATE.Snippets, action) {
switch (action.type) {
case at.SNIPPETS_DATA:
return Object.assign({}, prevState, {initialized: true}, action.data);
case at.SNIPPETS_RESET:
return INITIAL_STATE.Snippets;
default:
return prevState;
}
}
this.INITIAL_STATE = INITIAL_STATE;
this.reducers = {TopSites, App, Snippets, Prefs, Dialog, Sections};
this.insertPinned = insertPinned;
this.EXPORTED_SYMBOLS = ["reducers", "INITIAL_STATE", "insertPinned"];