From e70072a7516ca77a43a8ee27b7088d5739ee8d84 Mon Sep 17 00:00:00 2001
From: Ryan ZHAO <ryanzhaors@qq.com>
Date: Wed, 19 Aug 2020 10:55:40 +1000
Subject: [PATCH] fix crash caused by permission deny

---
 .../Photos/SendMediaNavigationController.swift       | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Signal/src/ViewControllers/Photos/SendMediaNavigationController.swift b/Signal/src/ViewControllers/Photos/SendMediaNavigationController.swift
index 39129d4f3..de975713e 100644
--- a/Signal/src/ViewControllers/Photos/SendMediaNavigationController.swift
+++ b/Signal/src/ViewControllers/Photos/SendMediaNavigationController.swift
@@ -127,11 +127,19 @@ class SendMediaNavigationController: OWSNavigationController {
     }
 
     private func didTapCameraModeButton() {
-        fadeTo(viewControllers: [captureViewController])
+        self.ows_ask(forCameraPermissions: { granted in
+            if (granted) {
+                self.fadeTo(viewControllers: [self.captureViewController])
+            }
+        })
     }
 
     private func didTapMediaLibraryModeButton() {
-        fadeTo(viewControllers: [mediaLibraryViewController])
+        self.ows_ask(forMediaLibraryPermissions: { granted in
+            if (granted) {
+                self.fadeTo(viewControllers: [self.mediaLibraryViewController])
+            }
+        })
     }
 
     // MARK: Views