Initial implementation of KeyRequestHandler, KeyShareDialog etc

src/KeyRequestHandler.js

@@ -0,0 +1,89 @@
+/*
+Copyright 2017 Vector Creations Ltd
+
+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.
+*/
+
+import sdk from './index';
+import Modal from './Modal';
+
+export default class KeyRequestHandler {
+    constructor(matrixClient) {
+        this._matrixClient = matrixClient;
+
+        this._isDialogOpen = false;
+
+        // userId -> deviceId -> [keyRequest]
+        this._pendingKeyRequests = {};
+    }
+
+
+    handleKeyRequest(keyRequest) {
+        const userId = keyRequest.userId;
+        const deviceId = keyRequest.deviceId;
+
+        if (!this._pendingKeyRequests[userId]) {
+            this._pendingKeyRequests[userId] = {};
+        }
+        if (!this._pendingKeyRequests[userId][deviceId]) {
+            this._pendingKeyRequests[userId][deviceId] = [];
+        }
+        this._pendingKeyRequests[userId][deviceId].push(keyRequest);
+
+        if (this._isDialogOpen) {
+            // ignore for now
+            console.log("Key request, but we already have a dialog open");
+            return;
+        }
+
+        this._processNextRequest();
+    }
+
+    _processNextRequest() {
+        const userId = Object.keys(this._pendingKeyRequests)[0];
+        if (!userId) {
+            return;
+        }
+        const deviceId = Object.keys(this._pendingKeyRequests[userId])[0];
+        if (!deviceId) {
+            return;
+        }
+        console.log(`Starting KeyShareDialog for ${userId}:${deviceId}`);
+
+        const finished = (r) => {
+            this._isDialogOpen = false;
+
+            if (r) {
+                for (const req of this._pendingKeyRequests[userId][deviceId]) {
+                    req.share();
+                }
+            }
+            delete this._pendingKeyRequests[userId][deviceId];
+            if (Object.keys(this._pendingKeyRequests[userId]).length === 0) {
+                delete this._pendingKeyRequests[userId];
+            }
+
+            this._processNextRequest();
+        };
+
+        const KeyShareDialog = sdk.getComponent("dialogs.KeyShareDialog");
+        Modal.createDialog(KeyShareDialog, {
+            matrixClient: this._matrixClient,
+            userId: userId,
+            deviceId: deviceId,
+            onFinished: finished,
+        });
+        this._isDialogOpen = true;
+    }
+}
+