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angular.module('RoomController', [])
.controller('RoomController', ['$scope', '$http', '$timeout', '$routeParams', '$location', 'matrixService',
function($scope, $http, $timeout, $routeParams, $location, matrixService) {
'use strict';
$scope.room_id = $routeParams.room_id;
$scope.room_alias = matrixService.getRoomIdToAliasMapping($scope.room_id);
$scope.state = {
user_id: matrixService.config().user_id,
events_from: "START"
};
$scope.messages = [];
$scope.members = {};
$scope.stopPoll = false;
$scope.userIDToInvite = "";
var shortPoll = function() {
$http.get(matrixService.config().homeserver + matrixService.prefix + "/events", {
"params": {
"access_token": matrixService.config().access_token,
"from": $scope.state.events_from,
"timeout": 5000
}})
.then(function(response) {
console.log("Got response from "+$scope.state.events_from+" to "+response.data.end);
$scope.state.events_from = response.data.end;
for (var i = 0; i < response.data.chunk.length; i++) {
var chunk = response.data.chunk[i];
if (chunk.room_id == $scope.room_id && chunk.type == "m.room.message") {
if ("membership_target" in chunk.content) {
chunk.user_id = chunk.content.membership_target;
}
$scope.messages.push(chunk);
$timeout(function() {
var objDiv = document.getElementsByClassName("messageTableWrapper")[0];
objDiv.scrollTop = objDiv.scrollHeight;
},0);
}
else if (chunk.room_id == $scope.room_id && chunk.type == "m.room.member") {
updateMemberList(chunk);
}
else if (chunk.type === "m.presence") {
updatePresence(chunk);
}
}
if ($scope.stopPoll) {
console.log("Stopping polling.");
}
else {
$timeout(shortPoll, 0);
}
}, function(response) {
$scope.feedback = "Can't stream: " + JSON.stringify(response);
if ($scope.stopPoll) {
console.log("Stopping polling.");
}
else {
$timeout(shortPoll, 2000);
}
});
};
var updateMemberList = function(chunk) {
var isNewMember = !(chunk.target_user_id in $scope.members);
if (isNewMember) {
$scope.members[chunk.target_user_id] = chunk;
// get their display name and profile picture and set it to their
// member entry in $scope.members. We HAVE to use $timeout with 0 delay
// to make this function run AFTER the current digest cycle, else the
// response may update a STALE VERSION of the member list (manifesting
// as no member names appearing, or appearing sporadically).
$scope.$evalAsync(function() {
matrixService.getDisplayName(chunk.target_user_id).then(
function(response) {
var member = $scope.members[chunk.target_user_id];
if (member !== undefined) {
console.log("Updated displayname "+chunk.target_user_id+" to " + response.displayname);
member.displayname = response.displayname;
}
}
);
matrixService.getProfilePictureUrl(chunk.target_user_id).then(
function(response) {
var member = $scope.members[chunk.target_user_id];
if (member !== undefined) {
console.log("Updated image for "+chunk.target_user_id+" to " + response.avatar_url);
member.avatar_url = response.avatar_url;
}
}
);
});
}
else {
// selectively update membership else it will nuke the picture and displayname too :/
var member = $scope.members[chunk.target_user_id];
member.content.membership = chunk.content.membership;
}
}
var updatePresence = function(chunk) {
if (!(chunk.content.user_id in $scope.members)) {
console.log("updatePresence: Unknown member for chunk " + JSON.stringify(chunk));
return;
}
var member = $scope.members[chunk.content.user_id];
if ("state" in chunk.content) {
var ONLINE = 2;
var AWAY = 1;
var OFFLINE = 0;
if (chunk.content.state === ONLINE) {
member.presenceState = "online";
}
else if (chunk.content.state === OFFLINE) {
member.presenceState = "offline";
}
else if (chunk.content.state === AWAY) {
member.presenceState = "away";
}
}
// this may also contain a new display name or avatar url, so check.
if ("displayname" in chunk.content) {
member.displayname = chunk.content.displayname;
}
if ("avatar_url" in chunk.content) {
member.avatar_url = chunk.content.avatar_url;
}
}
$scope.send = function() {
if ($scope.textInput == "") {
return;
}
// Send the text message
var promise;
// FIXME: handle other commands too
if ($scope.textInput.indexOf("/me") == 0) {
promise = matrixService.sendEmoteMessage($scope.room_id, $scope.textInput.substr(4));
}
else {
promise = matrixService.sendTextMessage($scope.room_id, $scope.textInput);
}
promise.then(
function() {
console.log("Sent message");
$scope.textInput = "";
},
function(reason) {
$scope.feedback = "Failed to send: " + reason;
});
};
$scope.onInit = function() {
// $timeout(function() { document.getElementById('textInput').focus() }, 0);
console.log("onInit");
// Join the room
matrixService.join($scope.room_id).then(
function() {
console.log("Joined room");
// Now start reading from the stream
$timeout(shortPoll, 0);
// Get the current member list
matrixService.getMemberList($scope.room_id).then(
function(response) {
for (var i = 0; i < response.chunk.length; i++) {
var chunk = response.chunk[i];
updateMemberList(chunk);
}
},
function(reason) {
$scope.feedback = "Failed get member list: " + reason;
}
);
},
function(reason) {
$scope.feedback = "Can't join room: " + reason;
});
};
$scope.inviteUser = function(user_id) {
matrixService.invite($scope.room_id, user_id).then(
function() {
console.log("Invited.");
$scope.feedback = "Request for invitation succeeds";
},
function(reason) {
$scope.feedback = "Failure: " + reason;
});
};
$scope.leaveRoom = function() {
matrixService.leave($scope.room_id).then(
function(response) {
console.log("Left room ");
$location.path("rooms");
},
function(reason) {
$scope.feedback = "Failed to leave room: " + reason;
});
};
$scope.$on('$destroy', function(e) {
console.log("onDestroyed: Stopping poll.");
$scope.stopPoll = true;
});
}]);
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