1 files changed, 90 insertions, 0 deletions
diff --git a/packages/taler-wallet-webextension/src/platform/api.ts b/packages/taler-wallet-webextension/src/platform/api.ts
new file mode 100644
index 000000000..9b4e02ffb
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/platform/api.ts
@@ -0,0 +1,90 @@
+/*
+ This file is part of TALER
+ (C) 2017 INRIA
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+import { CoreApiResponse, NotificationType, TalerUriType } from "@gnu-taler/taler-util";
+
+export interface Permissions {
+  /**
+   * List of named permissions.
+   */
+  permissions?: string[] | undefined;
+  /**
+   * List of origin permissions. Anything listed here must be a subset of a 
+   * host that appears in the optional_permissions list in the manifest. 
+   * 
+   */
+  origins?: string[] | undefined;
+
+}
+
+/**
+ * Compatibility API that works on multiple browsers.
+ */
+export interface CrossBrowserPermissionsApi {
+  contains(p: Permissions): Promise<boolean>;
+  request(p: Permissions): Promise<boolean>;
+  remove(p: Permissions): Promise<boolean>;
+
+  addPermissionsListener(callback: (p: Permissions) => void): void;
+
+}
+
+export type MessageFromBackend = {
+  type: NotificationType;
+};
+
+export interface WalletVersion {
+  version_name?: string | undefined;
+  version: string;
+}
+
+/**
+ * Compatibility helpers needed for browsers that don't implement
+ * WebExtension APIs consistently.
+ */
+export interface PlatformAPI {
+  /**
+   * check if the platform is firefox
+   */
+  isFirefox(): boolean;
+  /**
+   * 
+   */
+  getPermissionsApi(): CrossBrowserPermissionsApi;
+  notifyWhenAppIsReady(callback: () => void): void;
+  openWalletURIFromPopup(uriType: TalerUriType, talerUri: string): void;
+  openWalletPage(page: string): void;
+  openWalletPageFromPopup(page: string): void;
+  setMessageToWalletBackground(operation: string, payload: any): Promise<CoreApiResponse>;
+  listenToWalletNotifications(listener: (m: any) => void): () => void;
+  sendMessageToAllChannels(message: MessageFromBackend): void;
+  registerAllIncomingConnections(): void;
+  registerOnNewMessage(onNewMessage: (message: any, sender: any, callback: any) => void): void;
+  registerReloadOnNewVersion(): void;
+  redirectTabToWalletPage(tabId: number, page: string): void;
+  getWalletVersion(): WalletVersion;
+  registerTalerHeaderListener(onHeader: (tabId: number, url: string) => void): void;
+  registerOnInstalled(callback: () => void): void;
+  useServiceWorkerAsBackgroundProcess(): boolean;
+  getLastError(): string | undefined;
+  searchForTalerLinks(): string | undefined;
+  findTalerUriInActiveTab(): Promise<string | undefined>;
+}
+
+export let platform: PlatformAPI = undefined as any;
+export function setupPlatform(impl: PlatformAPI) {
+  platform = impl;
+}