common: Add C++ version of Apple authorization logic. (#6616)

src/citra_qt/CMakeLists.txt

@@ -254,12 +254,7 @@ if (APPLE)
         "${DIST_DIR}/LaunchScreen.storyboard"
         "${DIST_DIR}/launch_logo.png"
     )
-
-    target_sources(citra-qt PRIVATE
-        ${APPLE_RESOURCES}
-        macos_authorization.h
-        macos_authorization.mm
-    )
+    target_sources(citra-qt PRIVATE ${APPLE_RESOURCES})
 
     # Define app bundle metadata.
     include(GenerateBuildInfo)

src/citra_qt/camera/qt_multimedia_camera.cpp

@@ -10,7 +10,7 @@
 #include "citra_qt/main.h"
 
 #if defined(__APPLE__)
-#include "citra_qt/macos_authorization.h"
+#include "common/apple_authorization.h"
 #endif
 
 namespace Camera {

src/citra_qt/configuration/configure_audio.cpp

@@ -14,7 +14,7 @@
 #include "ui_configure_audio.h"
 
 #if defined(__APPLE__)
-#include "citra_qt/macos_authorization.h"
+#include "common/apple_authorization.h"
 #endif
 
 ConfigureAudio::ConfigureAudio(QWidget* parent)

src/citra_qt/configuration/configure_camera.cpp

@@ -16,7 +16,7 @@
 #include "ui_configure_camera.h"
 
 #if defined(__APPLE__)
-#include "citra_qt/macos_authorization.h"
+#include "common/apple_authorization.h"
 #endif
 
 const std::array<std::string, 3> ConfigureCamera::Implementations = {
@@ -264,6 +264,9 @@ void ConfigureCamera::SetConfiguration() {
         }
     }
     if (camera_name[index] == "qt") {
+#ifdef __APPLE__
+        AppleAuthorization::CheckAuthorizationForCamera();
+#endif
         ui->system_camera->setCurrentIndex(0);
         if (!camera_config[index].empty()) {
             ui->system_camera->setCurrentText(QString::fromStdString(camera_config[index]));

src/citra_qt/macos_authorization.h

@@ -1,12 +0,0 @@
-// Copyright 2020 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-namespace AppleAuthorization {
-
-bool CheckAuthorizationForCamera();
-bool CheckAuthorizationForMicrophone();
-
-} // namespace AppleAuthorization

src/citra_qt/macos_authorization.mm

@@ -1,93 +0,0 @@
-// Copyright 2020 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#import <AVFoundation/AVFoundation.h>
-
-#include "citra_qt/macos_authorization.h"
-#include "common/logging/log.h"
-
-namespace AppleAuthorization {
-
-static bool authorized_camera = false;
-static bool authorized_microphone = false;
-
-static bool authorized = false;
-
-enum class AuthMediaType { Camera, Microphone };
-
-// Based on
-// https://developer.apple.com/documentation/avfoundation/cameras_and_media_capture/requesting_authorization_for_media_capture_on_macos
-// TODO: This could be rewritten to return the authorization state, having pure c++ code deal with
-// it, log information and possibly wait for the camera access request.
-void CheckAuthorization(AuthMediaType type) {
-    authorized = false;
-    if (@available(macOS 10.14, *)) {
-        NSString* media_type;
-        if (type == AuthMediaType::Camera) {
-            media_type = AVMediaTypeVideo;
-        } else {
-            media_type = AVMediaTypeAudio;
-        }
-
-        // Request permission to access the camera and microphone.
-        switch ([AVCaptureDevice authorizationStatusForMediaType:media_type]) {
-        case AVAuthorizationStatusAuthorized:
-            // The user has previously granted access to the camera.
-            authorized = true;
-            break;
-        case AVAuthorizationStatusNotDetermined: {
-            // The app hasn't yet asked the user for camera access.
-            [AVCaptureDevice requestAccessForMediaType:media_type
-                                     completionHandler:^(BOOL granted) {
-                                       authorized = granted;
-                                     }];
-            if (type == AuthMediaType::Camera) {
-                LOG_INFO(Frontend, "Camera access requested.");
-            } else { // AuthMediaType::Microphone
-                LOG_INFO(Frontend, "Microphone access requested.");
-            }
-            break;
-        }
-        case AVAuthorizationStatusDenied: {
-            // The user has previously denied access.
-            authorized = false;
-            if (type == AuthMediaType::Camera) {
-                LOG_WARNING(Frontend, "Camera access denied. To change this you may modify the "
-                                      "macOS system permission settings "
-                                      "for Citra at 'System Preferences -> Security & Privacy'");
-            } else { // AuthMediaType::Microphone
-                LOG_WARNING(Frontend, "Microphone access denied. To change this you may modify the "
-                                      "macOS system permission settings "
-                                      "for Citra at 'System Preferences -> Security & Privacy'");
-            }
-            return;
-        }
-        case AVAuthorizationStatusRestricted: {
-            // The user can't grant access due to restrictions.
-            authorized = false;
-            return;
-        }
-        }
-    } else {
-        authorized = true;
-    }
-}
-
-bool CheckAuthorizationForCamera() {
-    if (!authorized_camera) {
-        CheckAuthorization(AuthMediaType::Camera);
-        authorized_camera = authorized;
-    }
-    return authorized_camera;
-}
-
-bool CheckAuthorizationForMicrophone() {
-    if (!authorized_microphone) {
-        CheckAuthorization(AuthMediaType::Microphone);
-        authorized_microphone = authorized;
-    }
-    return authorized_microphone;
-}
-
-} // namespace AppleAuthorization

src/citra_qt/main.cpp

@@ -96,7 +96,7 @@
 #include "video_core/video_core.h"
 
 #ifdef __APPLE__
-#include "macos_authorization.h"
+#include "common/apple_authorization.h"
 #endif
 
 #ifdef USE_DISCORD_PRESENCE