291 lines
11 KiB
JavaScript
291 lines
11 KiB
JavaScript
/*
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Copyright 2014 matrix.org
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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angular.module('RoomController', [])
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.controller('RoomController', ['$scope', '$http', '$timeout', '$routeParams', '$location', 'matrixService', 'eventStreamService', 'eventHandlerService',
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function($scope, $http, $timeout, $routeParams, $location, matrixService, eventStreamService, eventHandlerService) {
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'use strict';
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var MESSAGES_PER_PAGINATION = 30;
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$scope.room_id = $routeParams.room_id;
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$scope.room_alias = matrixService.getRoomIdToAliasMapping($scope.room_id);
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$scope.state = {
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user_id: matrixService.config().user_id,
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events_from: "END", // when to start the event stream from.
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earliest_token: "END", // stores how far back we've paginated.
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can_paginate: true, // this is toggled off when we run out of items
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paginating: false, // used to avoid concurrent pagination requests pulling in dup contents
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stream_failure: undefined // the response when the stream fails
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};
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$scope.members = {};
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$scope.imageURLToSend = "";
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$scope.userIDToInvite = "";
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var scrollToBottom = function() {
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$timeout(function() {
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var objDiv = document.getElementById("messageTableWrapper");
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objDiv.scrollTop = objDiv.scrollHeight;
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},0);
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};
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$scope.$on(eventHandlerService.MSG_EVENT, function(ngEvent, event, isLive) {
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if (isLive && event.room_id === $scope.room_id) {
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scrollToBottom();
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}
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});
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$scope.$on(eventHandlerService.MEMBER_EVENT, function(ngEvent, event, isLive) {
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updateMemberList(event);
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});
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$scope.$on(eventHandlerService.PRESENCE_EVENT, function(ngEvent, event, isLive) {
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updatePresence(event);
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});
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$scope.paginateMore = function() {
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if ($scope.state.can_paginate) {
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// console.log("Paginating more.");
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paginate(MESSAGES_PER_PAGINATION, false);
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}
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};
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var paginate = function(numItems, toBottom) {
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// console.log("paginate " + numItems + ", " + toBottom);
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if ($scope.state.paginating) {
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return;
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}
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else {
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$scope.state.paginating = true;
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}
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// console.log("paginateBackMessages from " + $scope.state.earliest_token + " for " + numItems);
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var originalTopRow = $("#messageTable>tbody>tr:first")[0];
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matrixService.paginateBackMessages($scope.room_id, $scope.state.earliest_token, numItems).then(
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function(response) {
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// hacky bodge to ensure we always scroll to the bottom on the first pagination
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if (!$scope.events.rooms[$scope.room_id]) {
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toBottom = true;
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}
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eventHandlerService.handleEvents(response.data.chunk, false);
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$scope.state.earliest_token = response.data.end;
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if (response.data.chunk.length < MESSAGES_PER_PAGINATION) {
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// no more messages to paginate. this currently never gets turned true again, as we never
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// expire paginated contents in the current implementation.
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$scope.state.can_paginate = false;
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}
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if (toBottom) {
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console.log("Scrolling to bottom");
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scrollToBottom();
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}
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else {
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$timeout(function() {
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// FIXME: this risks a flicker before the scrollTop is actually updated, but we have to
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// dispatch it into a function in order to first update the layout. The right solution
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// might be to implement it as a directive, more like
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// http://stackoverflow.com/questions/23736647/how-to-retain-scroll-position-of-ng-repeat-in-angularjs
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// however, this specific solution breaks because it measures the rows height before
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// the contents are interpolated.
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var objDiv = document.getElementById("messageTableWrapper");
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objDiv.scrollTop = originalTopRow ? (originalTopRow.offsetTop + objDiv.scrollTop) : 0;
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}, 0);
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}
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$scope.state.paginating = false;
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},
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function(error) {
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console.log("Failed to paginateBackMessages: " + JSON.stringify(error));
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$scope.state.paginating = false;
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}
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)
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};
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var updateMemberList = function(chunk) {
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var isNewMember = !(chunk.target_user_id in $scope.members);
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if (isNewMember) {
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// FIXME: why are we copying these fields around inside chunk?
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if ("state" in chunk.content) {
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chunk.presenceState = chunk.content.state; // why is this renamed?
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}
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if ("mtime_age" in chunk.content) {
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chunk.mtime_age = chunk.content.mtime_age;
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}
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if ("displayname" in chunk.content) {
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chunk.displayname = chunk.content.displayname;
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}
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if ("avatar_url" in chunk.content) {
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chunk.avatar_url = chunk.content.avatar_url;
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}
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$scope.members[chunk.target_user_id] = chunk;
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/*
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// *SURELY* we don't want to be hammering a new request for
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// every displayname and profile picture URL. Hasn't it already
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// been returned in the chunk? Hence commenting this out --Matthew
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// get their display name and profile picture and set it to their
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// member entry in $scope.members. We HAVE to use $timeout with 0 delay
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// to make this function run AFTER the current digest cycle, else the
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// response may update a STALE VERSION of the member list (manifesting
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// as no member names appearing, or appearing sporadically).
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$scope.$evalAsync(function() {
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matrixService.getDisplayName(chunk.target_user_id).then(
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function(response) {
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var member = $scope.members[chunk.target_user_id];
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if (member !== undefined) {
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member.displayname = response.data.displayname;
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}
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}
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);
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matrixService.getProfilePictureUrl(chunk.target_user_id).then(
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function(response) {
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var member = $scope.members[chunk.target_user_id];
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if (member !== undefined) {
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member.avatar_url = response.data.avatar_url;
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}
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}
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);
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});
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*/
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}
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else {
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// selectively update membership else it will nuke the picture and displayname too :/
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var member = $scope.members[chunk.target_user_id];
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member.content.membership = chunk.content.membership;
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}
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}
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var updatePresence = function(chunk) {
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if (!(chunk.content.user_id in $scope.members)) {
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console.log("updatePresence: Unknown member for chunk " + JSON.stringify(chunk));
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return;
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}
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var member = $scope.members[chunk.content.user_id];
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// XXX: why not just pass the chunk straight through?
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if ("state" in chunk.content) {
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member.presenceState = chunk.content.state;
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}
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if ("mtime_age" in chunk.content) {
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// FIXME: should probably keep updating mtime_age in realtime like FB does
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member.mtime_age = chunk.content.mtime_age;
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}
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// this may also contain a new display name or avatar url, so check.
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if ("displayname" in chunk.content) {
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member.displayname = chunk.content.displayname;
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}
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if ("avatar_url" in chunk.content) {
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member.avatar_url = chunk.content.avatar_url;
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}
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}
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$scope.send = function() {
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if ($scope.textInput == "") {
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return;
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}
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// Send the text message
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var promise;
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// FIXME: handle other commands too
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if ($scope.textInput.indexOf("/me") == 0) {
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promise = matrixService.sendEmoteMessage($scope.room_id, $scope.textInput.substr(4));
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}
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else {
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promise = matrixService.sendTextMessage($scope.room_id, $scope.textInput);
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}
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promise.then(
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function() {
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console.log("Sent message");
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$scope.textInput = "";
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},
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function(error) {
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$scope.feedback = "Failed to send: " + error.data.error;
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});
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};
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$scope.onInit = function() {
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// $timeout(function() { document.getElementById('textInput').focus() }, 0);
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console.log("onInit");
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// Join the room
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matrixService.join($scope.room_id).then(
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function() {
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console.log("Joined room "+$scope.room_id);
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// Get the current member list
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matrixService.getMemberList($scope.room_id).then(
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function(response) {
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for (var i = 0; i < response.data.chunk.length; i++) {
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var chunk = response.data.chunk[i];
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updateMemberList(chunk);
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}
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},
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function(error) {
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$scope.feedback = "Failed get member list: " + error.data.error;
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}
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);
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paginate(MESSAGES_PER_PAGINATION, true);
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},
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function(reason) {
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$scope.feedback = "Can't join room: " + reason;
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});
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};
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$scope.inviteUser = function(user_id) {
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matrixService.invite($scope.room_id, user_id).then(
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function() {
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console.log("Invited.");
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$scope.feedback = "Request for invitation succeeds";
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},
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function(reason) {
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$scope.feedback = "Failure: " + reason;
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});
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};
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$scope.leaveRoom = function() {
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matrixService.leave($scope.room_id).then(
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function(response) {
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console.log("Left room ");
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$location.path("rooms");
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},
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function(error) {
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$scope.feedback = "Failed to leave room: " + error.data.error;
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});
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};
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$scope.sendImage = function(url) {
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matrixService.sendImageMessage($scope.room_id, url).then(
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function() {
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console.log("Image sent");
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},
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function(error) {
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$scope.feedback = "Failed to send image: " + error.data.error;
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});
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};
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$scope.loadMoreHistory = function() {
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paginate(MESSAGES_PER_PAGINATION, false);
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};
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}]);
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