summary refs log tree commit diff
path: root/webclient/room/room-controller.js
blob: 134247917a0a1335c8d134704421f0cabb9a786b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
/*
Copyright 2014 matrix.org

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

angular.module('RoomController', [])

.controller('RoomController', ['$scope', '$http', '$timeout', '$routeParams', '$location', 'matrixService', 'eventStreamService', 'eventHandlerService',
                               function($scope, $http, $timeout, $routeParams, $location, matrixService, eventStreamService, eventHandlerService) {
   'use strict';
    var MESSAGES_PER_PAGINATION = 30;
    $scope.room_id = $routeParams.room_id;
    $scope.room_alias = matrixService.getRoomIdToAliasMapping($scope.room_id);
    $scope.state = {
        user_id: matrixService.config().user_id,
        events_from: "END", // when to start the event stream from.
        earliest_token: "END", // stores how far back we've paginated.
        can_paginate: true, // this is toggled off when we run out of items
        paginating: false, // used to avoid concurrent pagination requests pulling in dup contents
        stream_failure: undefined // the response when the stream fails
    };
    $scope.members = {};

    $scope.imageURLToSend = "";
    $scope.userIDToInvite = "";
    
    var scrollToBottom = function() {
        $timeout(function() {
            var objDiv = document.getElementById("messageTableWrapper");
            objDiv.scrollTop = objDiv.scrollHeight;
        },0);
    };
    
    $scope.$on(eventHandlerService.MSG_EVENT, function(ngEvent, event, isLive) {
        if (isLive && event.room_id === $scope.room_id) {
            scrollToBottom();
        }
    });
    
    $scope.$on(eventHandlerService.MEMBER_EVENT, function(ngEvent, event, isLive) {
        updateMemberList(event);
    });
    
    $scope.$on(eventHandlerService.PRESENCE_EVENT, function(ngEvent, event, isLive) {
        updatePresence(event);
    });
    
    $scope.paginateMore = function() {
        if ($scope.state.can_paginate) {
            // console.log("Paginating more.");
            paginate(MESSAGES_PER_PAGINATION, false);
        }
    };
    
    var paginate = function(numItems, toBottom) {
        // console.log("paginate " + numItems + ", " + toBottom);
        if ($scope.state.paginating) {
            return;
        }
        else {
            $scope.state.paginating = true;
        }
        // console.log("paginateBackMessages from " + $scope.state.earliest_token + " for " + numItems);
        var originalTopRow = $("#messageTable>tbody>tr:first")[0];
        matrixService.paginateBackMessages($scope.room_id, $scope.state.earliest_token, numItems).then(
            function(response) {
                // hacky bodge to ensure we always scroll to the bottom on the first pagination
                if (!$scope.events.rooms[$scope.room_id]) {
                    toBottom = true;
                }
                
                eventHandlerService.handleEvents(response.data.chunk, false);
                $scope.state.earliest_token = response.data.end;
                if (response.data.chunk.length < MESSAGES_PER_PAGINATION) {
                    // no more messages to paginate. this currently never gets turned true again, as we never
                    // expire paginated contents in the current implementation.
                    $scope.state.can_paginate = false;
                }
                
                if (toBottom) {
                    console.log("Scrolling to bottom");
                    scrollToBottom();
                }
                else {
                    $timeout(function() {
                        // FIXME: this risks a flicker before the scrollTop is actually updated, but we have to
                        // dispatch it into a function in order to first update the layout.  The right solution
                        // might be to implement it as a directive, more like
                        // http://stackoverflow.com/questions/23736647/how-to-retain-scroll-position-of-ng-repeat-in-angularjs
                        // however, this specific solution breaks because it measures the rows height before
                        // the contents are interpolated.
                        var objDiv = document.getElementById("messageTableWrapper");
                        objDiv.scrollTop = originalTopRow ? (originalTopRow.offsetTop + objDiv.scrollTop) : 0;
                    }, 0);
                }
                
                $scope.state.paginating = false;
            },
            function(error) {
                console.log("Failed to paginateBackMessages: " + JSON.stringify(error));
                $scope.state.paginating = false;
            }
        )
    };

    var updateMemberList = function(chunk) {
        var isNewMember = !(chunk.target_user_id in $scope.members);
        if (isNewMember) {
            if ("state" in chunk.content) {
                chunk.presenceState = chunk.content.state;
            }
            if ("mtime_age" in chunk.content) {
                chunk.mtime_age = chunk.content.mtime_age;
            }
        
            $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) {
                            member.displayname = response.data.displayname;
                        }
                    }
                ); 
                matrixService.getProfilePictureUrl(chunk.target_user_id).then(
                    function(response) {
                         var member = $scope.members[chunk.target_user_id];
                         if (member !== undefined) {
                            member.avatar_url = response.data.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];

        // XXX: why not just pass the chunk straight through?
        if ("state" in chunk.content) {
            member.presenceState = chunk.content.state;
        }

        if ("mtime_age" in chunk.content) {
            // FIXME: should probably keep updating mtime_age in realtime like FB does
            member.mtime_age = chunk.content.mtime_age;
        }

        // 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(error) {
                $scope.feedback = "Failed to send: " + error.data.error;
            });               
    };

    $scope.onInit = function() {
        // $timeout(function() { document.getElementById('textInput').focus() }, 0);
        console.log("onInit");

        // Join the room
        matrixService.join($scope.room_id).then(
            function() {
                console.log("Joined room "+$scope.room_id);

                // Get the current member list
                matrixService.getMemberList($scope.room_id).then(
                    function(response) {
                        for (var i = 0; i < response.data.chunk.length; i++) {
                            var chunk = response.data.chunk[i];
                            updateMemberList(chunk);
                        }
                    },
                    function(error) {
                        $scope.feedback = "Failed get member list: " + error.data.error;
                    }
                );
                
                paginate(MESSAGES_PER_PAGINATION, true);
            },
            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(error) {
                $scope.feedback = "Failed to leave room: " + error.data.error;
            });
    };

    $scope.sendImage = function(url) {
        matrixService.sendImageMessage($scope.room_id, url).then(
            function() {
                console.log("Image sent");
            },
            function(error) {
                $scope.feedback = "Failed to send image: " + error.data.error;
            });
    };
    
    $scope.loadMoreHistory = function() {
        paginate(MESSAGES_PER_PAGINATION, false);
    };
}]);