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-rw-r--r--webclient/components/matrix/event-stream-service.js69
-rw-r--r--webclient/components/matrix/matrix-service.js9
2 files changed, 78 insertions, 0 deletions
diff --git a/webclient/components/matrix/event-stream-service.js b/webclient/components/matrix/event-stream-service.js
new file mode 100644
index 0000000000..0a3a12192b
--- /dev/null
+++ b/webclient/components/matrix/event-stream-service.js
@@ -0,0 +1,69 @@
+/*
+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.
+*/
+
+'use strict';
+
+angular.module('eventStreamService', [])
+.factory('eventStreamService', ['matrixService', function(matrixService) {
+    var settings = {
+        from: "END",
+        to: undefined,
+        limit: undefined,
+        shouldPoll: true
+    };
+    
+    // interrupts the stream. Only valid if there is a stream conneciton 
+    // open.
+    var interrupt = function(shouldPoll) {
+        console.log("[EventStream] interrupt("+shouldPoll+") "+
+                    JSON.stringify(settings));
+    };
+    
+    var saveStreamSettings = function() {
+        localStorage.setItem("streamSettings", JSON.stringify(settings));
+    };
+    
+    return {
+        // resume the stream from whereever it last got up to. Typically used
+        // when the page is opened.
+        resume: function() {
+            console.log("[EventStream] resume "+JSON.stringify(settings));
+            // run the stream from the latest token
+            return matrixService.getEventStream(settings.from, 5000);
+        },
+        
+        // pause the stream. Resuming it will continue from the current position
+        pause: function() {
+            console.log("[EventStream] pause "+JSON.stringify(settings));
+            // kill any running stream
+            interrupt(false);
+            // save the latest token
+            saveStreamSettings();
+        },
+        
+        // stop the stream and wipe the position in the stream. Typically used
+        // when logging out.
+        stop: function() {
+            console.log("[EventStream] stop "+JSON.stringify(settings));
+            // kill any running stream
+            interrupt(false);
+            // clear the latest token
+            settings.from = "END";
+            saveStreamSettings();
+        }
+    };
+
+}]);
diff --git a/webclient/components/matrix/matrix-service.js b/webclient/components/matrix/matrix-service.js
index 6d66111469..0a2d8005b6 100644
--- a/webclient/components/matrix/matrix-service.js
+++ b/webclient/components/matrix/matrix-service.js
@@ -297,6 +297,15 @@ angular.module('matrixService', [])
             return doBaseRequest(config.identityServer, "POST", path, {}, data, headers); 
         },
         
+        // start listening on /events
+        getEventStream: function(from, timeout) {
+            var path = "/events";
+            var params = {
+                from: from,
+                timeout: timeout
+            };
+            return doRequest("GET", path, params);
+        },
         
         // 
         testLogin: function() {