Stickers

Co-authored-by: scott@signal.org
Co-authored-by: ken@signal.org

ts/shims/textsecure.ts

@@ -0,0 +1,77 @@
+type LoggerType = (...args: Array<any>) => void;
+
+type TextSecureType = {
+  storage: {
+    user: {
+      getNumber: () => string;
+    };
+  };
+  messaging: {
+    sendStickerPackSync: (
+      operations: Array<{
+        packId: string;
+        packKey: string;
+        installed: boolean;
+      }>,
+      options: Object
+    ) => Promise<void>;
+  };
+};
+
+type ConversationControllerType = {
+  prepareForSend: (
+    id: string,
+    options: Object
+  ) => {
+    wrap: (promise: Promise<any>) => Promise<void>;
+    sendOptions: Object;
+  };
+};
+
+interface ShimmedWindow extends Window {
+  log: {
+    error: LoggerType;
+    info: LoggerType;
+  };
+  textsecure: TextSecureType;
+  ConversationController: ConversationControllerType;
+}
+
+export function sendStickerPackSync(
+  packId: string,
+  packKey: string,
+  installed: boolean
+) {
+  const { ConversationController, textsecure, log } = window as ShimmedWindow;
+  const ourNumber = textsecure.storage.user.getNumber();
+  const { wrap, sendOptions } = ConversationController.prepareForSend(
+    ourNumber,
+    { syncMessage: true }
+  );
+
+  if (!textsecure.messaging) {
+    log.error(
+      'shim: Cannot call sendStickerPackSync, textsecure.messaging is falsey'
+    );
+
+    return;
+  }
+
+  wrap(
+    textsecure.messaging.sendStickerPackSync(
+      [
+        {
+          packId,
+          packKey,
+          installed,
+        },
+      ],
+      sendOptions
+    )
+  ).catch(error => {
+    log.error(
+      'shim: Error calling sendStickerPackSync:',
+      error && error.stack ? error.stack : error
+    );
+  });
+}