webclient: You can now paginate in rooms. Defaults to 10 messages, with a button to get more (needs to be hooked into infini-scrolling).

This commit is contained in:
Kegan Dougal 2014-08-14 17:23:47 +01:00
parent fef3183461
commit 30da8c81c7
4 changed files with 74 additions and 21 deletions

View file

@ -414,6 +414,9 @@ The server checks this, finds it is valid, and returns:
{
"access_token": "abcdef0123456789"
}
The server may optionally return "user_id" to confirm or change the user's ID.
This is particularly useful if the home server wishes to support localpart entry
of usernames (e.g. "bob" rather than "@bob:matrix.org").
OAuth2-based
------------

View file

@ -212,6 +212,17 @@ angular.module('matrixService', [])
path = path.replace("$room_id", room_id);
return doRequest("GET", path);
},
paginateBackMessages: function(room_id, from_token, limit) {
var path = "/rooms/$room_id/messages/list";
path = path.replace("$room_id", room_id);
var params = {
from: from_token,
to: "START",
limit: limit
};
return doRequest("GET", path, params);
},
// get a list of public rooms on your home server
publicRooms: function() {

View file

@ -18,11 +18,14 @@ angular.module('RoomController', [])
.controller('RoomController', ['$scope', '$http', '$timeout', '$routeParams', '$location', 'matrixService',
function($scope, $http, $timeout, $routeParams, $location, matrixService) {
'use strict';
var MESSAGES_PER_PAGINATION = 10;
$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"
events_from: "END", // when to start the event stream from.
earliest_token: "END", // stores how far back we've paginated.
can_paginate: true
};
$scope.messages = [];
$scope.members = {};
@ -30,6 +33,53 @@ angular.module('RoomController', [])
$scope.imageURLToSend = "";
$scope.userIDToInvite = "";
var scrollToBottom = function() {
$timeout(function() {
var objDiv = document.getElementsByClassName("messageTableWrapper")[0];
objDiv.scrollTop = objDiv.scrollHeight;
},0);
};
var parseChunk = function(chunks, appendToStart) {
for (var i = 0; i < chunks.length; i++) {
var chunk = chunks[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;
}
if (appendToStart) {
$scope.messages.unshift(chunk);
}
else {
$scope.messages.push(chunk);
scrollToBottom();
}
}
else if (chunk.room_id == $scope.room_id && chunk.type == "m.room.member") {
updateMemberList(chunk);
}
else if (chunk.type === "m.presence") {
updatePresence(chunk);
}
}
};
var paginate = function(numItems) {
matrixService.paginateBackMessages($scope.room_id, $scope.state.earliest_token, numItems).then(
function(response) {
parseChunk(response.data.chunk, true);
$scope.state.earliest_token = response.data.end;
if (response.data.chunk.length < MESSAGES_PER_PAGINATION) {
// no more messages to paginate :(
$scope.state.can_paginate = false;
}
},
function(error) {
console.log("paginateBackMessages Ruh roh: " + JSON.stringify(error));
}
)
};
var shortPoll = function() {
$http.get(matrixService.config().homeserver + matrixService.prefix + "/events", {
@ -41,28 +91,10 @@ angular.module('RoomController', [])
.then(function(response) {
console.log("Got response from "+$scope.state.events_from+" to "+response.data.end);
$scope.state.events_from = response.data.end;
$scope.feedback = "";
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 == $scope.room_id && chunk.type == "m.room.member") {
updateMemberList(chunk);
}
else if (chunk.type === "m.presence") {
updatePresence(chunk);
}
}
parseChunk(response.data.chunk, false);
if ($scope.stopPoll) {
console.log("Stopping polling.");
}
@ -199,6 +231,8 @@ angular.module('RoomController', [])
$scope.feedback = "Failed get member list: " + error.data.error;
}
);
paginate(MESSAGES_PER_PAGINATION);
},
function(reason) {
$scope.feedback = "Can't join room: " + reason;
@ -238,6 +272,10 @@ angular.module('RoomController', [])
$scope.feedback = "Failed to send image: " + error.data.error;
});
};
$scope.loadMoreHistory = function() {
paginate(MESSAGES_PER_PAGINATION);
};
$scope.$on('$destroy', function(e) {
console.log("onDestroyed: Stopping poll.");

View file

@ -86,6 +86,7 @@
<button ng-click="inviteUser(userIDToInvite)">Invite</button>
</span>
<button ng-click="leaveRoom()">Leave</button>
<button ng-click="loadMoreHistory()" ng-disabled="!state.can_paginate">MOAR HISTORY</button>
</div>
</div>