418 lines
13 KiB
JavaScript
418 lines
13 KiB
JavaScript
/*
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* vim: ts=4:sw=4:expandtab
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*/
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(function () {
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'use strict';
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window.Whisper = window.Whisper || {};
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// TODO: Factor out private and group subclasses of Conversation
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var COLORS = [
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"#EF5350", // red
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"#EC407A", // pink
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"#AB47BC", // purple
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"#7E57C2", // deep purple
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"#5C6BC0", // indigo
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"#2196F3", // blue
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"#03A9F4", // light blue
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"#00BCD4", // cyan
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"#009688", // teal
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"#4CAF50", // green
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"#7CB342", // light green
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"#FF9800", // orange
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"#FF5722", // deep orange
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"#FFB300", // amber
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"#607D8B", // blue grey
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];
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Whisper.Conversation = Backbone.Model.extend({
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database: Whisper.Database,
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storeName: 'conversations',
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defaults: function() {
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var timestamp = new Date().getTime();
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return {
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unreadCount : 0,
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timestamp : timestamp,
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};
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},
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initialize: function() {
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this.contactCollection = new Backbone.Collection();
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this.messageCollection = new Whisper.MessageCollection([], {
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conversation: this
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});
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this.on('change:id change:name', this.updateTokens);
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this.on('change:avatar', this.updateAvatarUrl);
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this.on('destroy', this.revokeAvatarUrl);
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},
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validate: function(attributes, options) {
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var required = ['id', 'type'];
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var missing = _.filter(required, function(attr) { return !attributes[attr]; });
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if (missing.length) { return "Conversation must have " + missing; }
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if (attributes.type !== 'private' && attributes.type !== 'group') {
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return "Invalid conversation type: " + attributes.type;
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}
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if (!attributes.tokens) {
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this.updateTokens();
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}
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},
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updateTokens: function() {
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var tokens = [];
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var name = this.get('name');
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if (typeof name === 'string') {
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tokens = name.trim().toLowerCase().split(/[\s\-_\(\)\+]+/);
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}
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if (this.isPrivate()) {
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try {
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this.id = libphonenumber.util.verifyNumber(this.id);
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var number = libphonenumber.util.splitCountryCode(this.id);
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var international_number = '' + number.country_code + number.national_number;
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var national_number = '' + number.national_number;
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this.set({
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e164_number: this.id,
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national_number: national_number,
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international_number: international_number
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});
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tokens = tokens.concat(national_number, international_number);
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} catch(ex) {
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return ex;
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}
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}
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this.set({tokens: tokens});
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},
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sendMessage: function(body, attachments) {
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var now = Date.now();
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var message = this.messageCollection.add({
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body : body,
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conversationId : this.id,
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type : 'outgoing',
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attachments : attachments,
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sent_at : now,
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received_at : now
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});
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message.save();
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this.save({
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unreadCount : 0,
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active_at : now,
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timestamp : now,
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lastMessage : message.getNotificationText()
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});
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var sendFunc;
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if (this.get('type') == 'private') {
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sendFunc = textsecure.messaging.sendMessageToNumber;
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}
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else {
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sendFunc = textsecure.messaging.sendMessageToGroup;
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}
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message.send(sendFunc(this.get('id'), body, attachments, now));
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},
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endSession: function() {
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if (this.isPrivate()) {
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var now = Date.now();
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var message = this.messageCollection.create({
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conversationId : this.id,
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type : 'outgoing',
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sent_at : now,
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received_at : now,
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flags : textsecure.protobuf.DataMessage.Flags.END_SESSION
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});
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message.send(textsecure.messaging.closeSession(this.id));
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}
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},
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updateGroup: function(group_update) {
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if (this.isPrivate()) {
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throw new Error("Called update group on private conversation");
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}
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if (group_update === undefined) {
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group_update = this.pick(['name', 'avatar', 'members']);
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}
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var now = Date.now();
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var message = this.messageCollection.create({
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conversationId : this.id,
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type : 'outgoing',
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sent_at : now,
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received_at : now,
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group_update : group_update
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});
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message.send(textsecure.messaging.updateGroup(
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this.id,
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this.get('name'),
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this.get('avatar'),
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this.get('members')
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));
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},
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leaveGroup: function() {
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var now = Date.now();
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if (this.get('type') === 'group') {
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var message = this.messageCollection.create({
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group_update: { left: 'You' },
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conversationId : this.id,
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type : 'outgoing',
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sent_at : now,
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received_at : now
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});
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message.send(textsecure.messaging.leaveGroup(this.id));
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}
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},
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markRead: function() {
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if (this.get('unreadCount') > 0) {
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this.save({unreadCount: 0});
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}
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},
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fetchMessages: function() {
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if (!this.id) { return false; }
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return this.messageCollection.fetchConversation(this.id);
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},
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fetchContacts: function(options) {
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return new Promise(function(resolve) {
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if (this.isPrivate()) {
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this.contactCollection.reset([this]);
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resolve();
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} else {
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var promises = [];
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var members = this.get('members') || [];
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this.contactCollection.reset(
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members.map(function(number) {
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var c = ConversationController.create({
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id : number,
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type : 'private'
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});
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promises.push(new Promise(function(resolve) {
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c.fetch().always(resolve);
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}));
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return c;
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}.bind(this))
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);
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resolve(Promise.all(promises));
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}
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}.bind(this));
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},
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destroyMessages: function() {
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var models = this.messageCollection.models;
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this.messageCollection.reset([]);
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_.each(models, function(message) { message.destroy(); });
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this.save({active_at: null, lastMessage: ''}); // archive
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},
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getTitle: function() {
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if (this.isPrivate()) {
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return this.get('name') || this.id;
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} else {
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return this.get('name') || 'Unknown group';
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}
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},
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getNumber: function() {
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if (this.isPrivate()) {
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return this.id;
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} else {
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return '';
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}
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},
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isPrivate: function() {
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return this.get('type') === 'private';
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},
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revokeAvatarUrl: function() {
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if (this.avatarUrl) {
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URL.revokeObjectURL(this.avatarUrl);
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this.avatarUrl = null;
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}
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},
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updateAvatarUrl: function(silent) {
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this.revokeAvatarUrl();
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var avatar = this.get('avatar');
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if (avatar) {
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this.avatarUrl = URL.createObjectURL(
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new Blob([avatar.data], {type: avatar.contentType})
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);
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} else {
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this.avatarUrl = null;
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}
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if (!silent) {
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this.trigger('change');
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}
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},
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getAvatar: function() {
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if (this.avatarUrl === undefined) {
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this.updateAvatarUrl(true);
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}
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if (this.avatarUrl) {
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return { url: this.avatarUrl };
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} else if (this.isPrivate()) {
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var title = this.get('name');
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if (!title) {
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return { content: '#', color: '#999999' };
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}
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var initials = title.trim()[0];
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return {
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color: COLORS[Math.abs(this.hashCode()) % 15],
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content: initials
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};
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} else {
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return { url: '/images/group_default.png', color: 'gray' };
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}
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},
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getNotificationIcon: function() {
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return new Promise(function(resolve) {
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var avatar = this.getAvatar();
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if (avatar.url) {
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resolve(avatar.url);
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} else {
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resolve(new Whisper.IdenticonSVGView(avatar).getDataUrl());
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}
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}.bind(this));
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},
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resolveConflicts: function(conflict) {
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var number = conflict.number;
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var identityKey = conflict.identityKey;
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if (this.isPrivate()) {
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number = this.id;
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} else if (!_.include(this.get('members'), number)) {
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throw 'Tried to resolve conflicts for a unknown group member';
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}
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if (!this.messageCollection.hasKeyConflicts()) {
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throw 'No conflicts to resolve';
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}
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return textsecure.storage.axolotl.removeIdentityKey(number).then(function() {
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return textsecure.storage.axolotl.putIdentityKey(number, identityKey).then(function() {
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var promise = Promise.resolve();
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this.messageCollection.each(function(message) {
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if (message.hasKeyConflict(number)) {
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var resolveConflict = function() {
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return message.resolveConflict(number);
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};
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promise = promise.then(resolveConflict, resolveConflict);
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}
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});
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return promise;
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}.bind(this));
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}.bind(this));
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},
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notify: function(message) {
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if (!message.isIncoming()) {
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this.markRead();
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return;
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}
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if (window.isOpen() && window.isFocused()) {
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return;
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}
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window.drawAttention();
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var sender = ConversationController.create({
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id: message.get('source'), type: 'private'
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});
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var conversationId = this.id;
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sender.fetch().then(function() {
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sender.getNotificationIcon().then(function(iconUrl) {
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Whisper.Notifications.add({
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title : sender.getTitle(),
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message : message.getNotificationText(),
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iconUrl : iconUrl,
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imageUrl : message.getImageUrl(),
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conversationId : conversationId
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});
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});
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});
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},
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hashCode: function() {
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if (this.hash === undefined) {
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var string = this.getTitle() || '';
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if (string.length === 0) {
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return 0;
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}
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var hash = 0;
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for (var i = 0; i < string.length; i++) {
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hash = ((hash<<5)-hash) + string.charCodeAt(i);
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hash = hash & hash; // Convert to 32bit integer
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}
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this.hash = hash;
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}
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return this.hash;
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}
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});
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Whisper.ConversationCollection = Backbone.Collection.extend({
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database: Whisper.Database,
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storeName: 'conversations',
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model: Whisper.Conversation,
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comparator: function(m) {
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return -m.get('timestamp');
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},
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destroyAll: function () {
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return Promise.all(this.models.map(function(m) {
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return new Promise(function(resolve, reject) {
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m.destroy().then(resolve).fail(reject);
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});
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}));
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},
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search: function(query) {
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query = query.trim().toLowerCase();
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if (query.length > 0) {
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var lastCharCode = query.charCodeAt(query.length - 1);
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var nextChar = String.fromCharCode(lastCharCode + 1);
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var upper = query.slice(0, -1) + nextChar;
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return new Promise(function(resolve) {
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this.fetch({
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index: {
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name: 'search', // 'search' index on tokens array
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lower: query,
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upper: upper
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}
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}).always(resolve);
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}.bind(this));
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}
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},
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fetchGroups: function(number) {
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return this.fetch({
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index: {
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name: 'group',
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only: number
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}
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});
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},
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fetchActive: function() {
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// Ensures all active conversations are included in this collection,
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// and updates their attributes, but removes nothing.
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return this.fetch({
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index: {
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name: 'inbox', // 'inbox' index on active_at
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order: 'desc' // ORDER timestamp DESC
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// TODO pagination/infinite scroll
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// limit: 10, offset: page*10,
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},
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remove: false
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});
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}
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});
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})();
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