Merge branch 'mkirk/disable-proximity' into release/2.31.0

Signal.xcodeproj/project.pbxproj

@@ -441,6 +441,7 @@
 		4CA5F793211E1F06008C2708 /* Toast.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4CA5F792211E1F06008C2708 /* Toast.swift */; };
 		4CB5F26720F6E1E2004D1B42 /* MenuActionsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4CFF4C0920F55BBA005DA313 /* MenuActionsViewController.swift */; };
 		4CB5F26920F7D060004D1B42 /* MessageActions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4CB5F26820F7D060004D1B42 /* MessageActions.swift */; };
+		4CB93DC22180FF07004B9764 /* ProximityMonitoringManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4CB93DC12180FF07004B9764 /* ProximityMonitoringManager.swift */; };
 		4CC0B59C20EC5F2E00CF6EE0 /* ConversationConfigurationSyncOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4CC0B59B20EC5F2E00CF6EE0 /* ConversationConfigurationSyncOperation.swift */; };
 		4CC1ECF9211A47CE00CC13BE /* StoreKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4CC1ECF8211A47CD00CC13BE /* StoreKit.framework */; settings = {ATTRIBUTES = (Weak, ); }; };
 		4CC1ECFB211A553000CC13BE /* AppUpdateNag.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4CC1ECFA211A553000CC13BE /* AppUpdateNag.swift */; };
@@ -1126,6 +1127,7 @@
 		4C9CA25C217E676900607C63 /* ZXingObjC.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = ZXingObjC.framework; path = ThirdParty/Carthage/Build/iOS/ZXingObjC.framework; sourceTree = "<group>"; };
 		4CA5F792211E1F06008C2708 /* Toast.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Toast.swift; sourceTree = "<group>"; };
 		4CB5F26820F7D060004D1B42 /* MessageActions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MessageActions.swift; sourceTree = "<group>"; };
+		4CB93DC12180FF07004B9764 /* ProximityMonitoringManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProximityMonitoringManager.swift; sourceTree = "<group>"; };
 		4CC0B59B20EC5F2E00CF6EE0 /* ConversationConfigurationSyncOperation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConversationConfigurationSyncOperation.swift; sourceTree = "<group>"; };
 		4CC1ECF8211A47CD00CC13BE /* StoreKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = StoreKit.framework; path = System/Library/Frameworks/StoreKit.framework; sourceTree = SDKROOT; };
 		4CC1ECFA211A553000CC13BE /* AppUpdateNag.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppUpdateNag.swift; sourceTree = "<group>"; };
@@ -1517,6 +1519,7 @@
 				45F170D51E315310003FC1F2 /* Weak.swift */,
 				4C858A51212DC5E1001B45D3 /* UIImage+OWS.swift */,
 				4C948FF62146EB4800349F0D /* BlockListCache.swift */,
+				4CB93DC12180FF07004B9764 /* ProximityMonitoringManager.swift */,
 			);
 			path = utils;
 			sourceTree = "<group>";
@@ -3152,6 +3155,7 @@
 			files = (
 				45F59A0A2029140500E8D2B0 /* OWSVideoPlayer.swift in Sources */,
 				45194F951FD7216600333B2C /* TSUnreadIndicatorInteraction.m in Sources */,
+				4CB93DC22180FF07004B9764 /* ProximityMonitoringManager.swift in Sources */,
 				34AC09E1211B39B100997B47 /* SelectThreadViewController.m in Sources */,
 				34AC09EF211B39B100997B47 /* ViewControllerUtils.m in Sources */,
 				346941A2215D2EE400B5BFAD /* OWSConversationColor.m in Sources */,

Signal/src/ViewControllers/CallViewController.swift

@@ -13,10 +13,15 @@ import SignalMessaging
 class CallViewController: OWSViewController, CallObserver, CallServiceObserver, CallAudioServiceDelegate {
 
     // Dependencies
+
     var callUIAdapter: CallUIAdapter {
         return AppEnvironment.shared.callService.callUIAdapter
     }
 
+    var proximityMonitoringManager: OWSProximityMonitoringManager {
+        return Environment.shared.proximityMonitoringManager
+    }
+
     // Feature Flag
     @objc public static let kShowCallViewOnSeparateWindow = true
 
@@ -152,6 +157,7 @@ class CallViewController: OWSViewController, CallObserver, CallServiceObserver,
 
     deinit {
         NotificationCenter.default.removeObserver(self)
+        self.proximityMonitoringManager.remove(lifetime: self)
     }
 
     @objc func didBecomeActive() {
@@ -165,15 +171,14 @@ class CallViewController: OWSViewController, CallObserver, CallServiceObserver,
     override func viewDidDisappear(_ animated: Bool) {
         super.viewDidDisappear(animated)
 
-        UIDevice.current.isProximityMonitoringEnabled = false
-
         callDurationTimer?.invalidate()
         callDurationTimer = nil
     }
 
     override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
-        UIDevice.current.isProximityMonitoringEnabled = true
+        self.proximityMonitoringManager.add(lifetime: self)
+
         updateCallUI(callState: call.state)
 
         self.becomeFirstResponder()

SignalMessaging/environment/AppSetup.m

@@ -86,12 +86,14 @@ NS_ASSUME_NONNULL_BEGIN
 
         OWSAudioSession *audioSession = [OWSAudioSession new];
         OWSSounds *sounds = [[OWSSounds alloc] initWithPrimaryStorage:primaryStorage];
+        id<OWSProximityMonitoringManager> proximityMonitoringManager = [OWSProximityMonitoringManagerImpl new];
         LockInteractionController *lockInteractionController = [[LockInteractionController alloc] initDefault];
         OWSWindowManager *windowManager = [[OWSWindowManager alloc] initDefault];
         [Environment setShared:[[Environment alloc] initWithAudioSession:audioSession
+                                               lockInteractionController:lockInteractionController
                                                              preferences:preferences
+                                              proximityMonitoringManager:proximityMonitoringManager
                                                                   sounds:sounds
-                                               lockInteractionController:lockInteractionController
                                                            windowManager:windowManager]];
 
         [SSKEnvironment setShared:[[SSKEnvironment alloc] initWithContactsManager:contactsManager

SignalMessaging/environment/Environment.h

@@ -11,6 +11,8 @@
 @class OWSSounds;
 @class OWSWindowManager;
 
+@protocol OWSProximityMonitoringManager;
+
 /**
  *
  * Environment is a data and data accessor class.
@@ -24,16 +26,18 @@
 - (instancetype)init NS_UNAVAILABLE;
 
 - (instancetype)initWithAudioSession:(OWSAudioSession *)audioSession
+           lockInteractionController:(LockInteractionController *)lockInteractionController
                          preferences:(OWSPreferences *)preferences
+          proximityMonitoringManager:(id<OWSProximityMonitoringManager>)proximityMonitoringManager
                               sounds:(OWSSounds *)sounds
-           lockInteractionController:(LockInteractionController *)lockInteractionController
                        windowManager:(OWSWindowManager *)windowManager;
 
 @property (nonatomic, readonly) OWSAudioSession *audioSession;
 @property (nonatomic, readonly) OWSContactsManager *contactsManager;
+@property (nonatomic, readonly) LockInteractionController *lockInteractionController;
+@property (nonatomic, readonly) id<OWSProximityMonitoringManager> proximityMonitoringManager;
 @property (nonatomic, readonly) OWSPreferences *preferences;
 @property (nonatomic, readonly) OWSSounds *sounds;
-@property (nonatomic, readonly) LockInteractionController *lockInteractionController;
 @property (nonatomic, readonly) OWSWindowManager *windowManager;
 
 @property (class, nonatomic) Environment *shared;

SignalMessaging/environment/Environment.m

@@ -13,9 +13,10 @@ static Environment *sharedEnvironment = nil;
 
 @property (nonatomic) OWSAudioSession *audioSession;
 @property (nonatomic) OWSContactsManager *contactsManager;
+@property (nonatomic) LockInteractionController *lockInteractionController;
 @property (nonatomic) OWSPreferences *preferences;
+@property (nonatomic) id<OWSProximityMonitoringManager> proximityMonitoringManager;
 @property (nonatomic) OWSSounds *sounds;
-@property (nonatomic) LockInteractionController *lockInteractionController;
 @property (nonatomic) OWSWindowManager *windowManager;
 
 @end
@@ -49,9 +50,10 @@ static Environment *sharedEnvironment = nil;
 }
 
 - (instancetype)initWithAudioSession:(OWSAudioSession *)audioSession
+           lockInteractionController:(LockInteractionController *)lockInteractionController
                          preferences:(OWSPreferences *)preferences
+          proximityMonitoringManager:(id<OWSProximityMonitoringManager>)proximityMonitoringManager
                               sounds:(OWSSounds *)sounds
-           lockInteractionController:(LockInteractionController *)lockInteractionController
                        windowManager:(OWSWindowManager *)windowManager
 {
     self = [super init];
@@ -60,15 +62,17 @@ static Environment *sharedEnvironment = nil;
     }
 
     OWSAssertDebug(audioSession);
+    OWSAssertDebug(lockInteractionController);
     OWSAssertDebug(preferences);
+    OWSAssertDebug(proximityMonitoringManager);
     OWSAssertDebug(sounds);
-    OWSAssertDebug(lockInteractionController);
     OWSAssertDebug(windowManager);
 
     _audioSession = audioSession;
+    _lockInteractionController = lockInteractionController;
     _preferences = preferences;
+    _proximityMonitoringManager = proximityMonitoringManager;
     _sounds = sounds;
-    _lockInteractionController = lockInteractionController;
     _windowManager = windowManager;
 
     OWSSingletonAssert();

SignalMessaging/environment/OWSAudioSession.swift

@@ -44,6 +44,10 @@ public class OWSAudioSession: NSObject {
 
     // MARK: Dependencies
 
+    var proximityMonitoringManager: OWSProximityMonitoringManager {
+        return Environment.shared.proximityMonitoringManager
+    }
+
     private let avAudioSession = AVAudioSession.sharedInstance()
 
     private let device = UIDevice.current
@@ -65,30 +69,7 @@ public class OWSAudioSession: NSObject {
         self.currentActivities.append(Weak(value: audioActivity))
 
         do {
-            if aggregateBehaviors.contains(.call) {
-                // Do nothing while on a call.
-                // WebRTC/CallAudioService manages call audio
-                // Eventually it would be nice to consolidate more of the audio
-                // session handling.
-            } else {
-                if aggregateBehaviors.contains(.playAndRecord) {
-                    assert(avAudioSession.recordPermission() == .granted)
-                    try avAudioSession.setCategory(AVAudioSessionCategoryRecord)
-                } else if aggregateBehaviors.contains(.audioMessagePlayback) {
-                    try ensureCategoryForProximityState()
-                } else if aggregateBehaviors.contains(.playback) {
-                    try avAudioSession.setCategory(AVAudioSessionCategoryPlayback)
-                } else {
-                    owsFailDebug("no category option specified. Leaving category untouched.")
-                }
-
-                if aggregateBehaviors.contains(.audioMessagePlayback) {
-                    self.device.isProximityMonitoringEnabled = true
-                } else {
-                    self.device.isProximityMonitoringEnabled = false
-                }
-            }
-
+            try ensureAudioCategory()
             return true
         } catch {
             owsFailDebug("failed with error: \(error)")
@@ -97,16 +78,36 @@ public class OWSAudioSession: NSObject {
     }
 
     @objc
-    func proximitySensorStateDidChange(notification: Notification) {
+    public func endAudioActivity(_ audioActivity: AudioActivity) {
+        Logger.debug("with audioActivity: \(audioActivity)")
+
+        objc_sync_enter(self)
+        defer { objc_sync_exit(self) }
+
+        currentActivities = currentActivities.filter { return $0.value != audioActivity }
         do {
-            try ensureCategoryForProximityState()
+            try ensureAudioCategory()
         } catch {
-            owsFailDebug("error in response to proximity change: \(error)")
+            owsFailDebug("error in ensureAudioCategory: \(error)")
         }
     }
 
-    func ensureCategoryForProximityState() throws {
+    func ensureAudioCategory() throws {
         if aggregateBehaviors.contains(.audioMessagePlayback) {
+            self.proximityMonitoringManager.add(lifetime: self)
+        } else {
+            self.proximityMonitoringManager.remove(lifetime: self)
+        }
+
+        if aggregateBehaviors.contains(.call) {
+            // Do nothing while on a call.
+            // WebRTC/CallAudioService manages call audio
+            // Eventually it would be nice to consolidate more of the audio
+            // session handling.
+        } else if aggregateBehaviors.contains(.playAndRecord) {
+            assert(avAudioSession.recordPermission() == .granted)
+            try avAudioSession.setCategory(AVAudioSessionCategoryRecord)
+        } else if aggregateBehaviors.contains(.audioMessagePlayback) {
             if self.device.proximityState {
                 Logger.debug("proximityState: true")
 
@@ -116,23 +117,20 @@ public class OWSAudioSession: NSObject {
                 Logger.debug("proximityState: false")
                 try avAudioSession.setCategory(AVAudioSessionCategoryPlayback)
             }
+        } else if aggregateBehaviors.contains(.playback) {
+            try avAudioSession.setCategory(AVAudioSessionCategoryPlayback)
+        } else {
+            ensureAudioSessionActivationStateAfterDelay()
         }
     }
 
     @objc
-    public func endAudioActivity(_ audioActivity: AudioActivity) {
-        Logger.debug("with audioActivity: \(audioActivity)")
-
-        objc_sync_enter(self)
-        defer { objc_sync_exit(self) }
-
-        currentActivities = currentActivities.filter { return $0.value != audioActivity }
+    func proximitySensorStateDidChange(notification: Notification) {
         do {
-            try ensureCategoryForProximityState()
+            try ensureAudioCategory()
         } catch {
-            owsFailDebug("error in ensureProximityState: \(error)")
+            owsFailDebug("error in response to proximity change: \(error)")
         }
-        ensureAudioSessionActivationStateAfterDelay()
     }
 
     fileprivate func ensureAudioSessionActivationStateAfterDelay() {

SignalMessaging/utils/ProximityMonitoringManager.swift

@@ -0,0 +1,59 @@
+//
+//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
+//
+
+@objc
+public protocol OWSProximityMonitoringManager: class {
+    func add(lifetime: AnyObject)
+    func remove(lifetime: AnyObject)
+}
+
+@objc
+public class OWSProximityMonitoringManagerImpl: NSObject, OWSProximityMonitoringManager {
+    var lifetimes: [Weak<AnyObject>] = []
+    let serialQueue = DispatchQueue(label: "ProximityMonitoringManagerImpl")
+
+    // MARK: 
+
+    var device: UIDevice {
+        return UIDevice.current
+    }
+
+    // MARK: 
+
+    @objc
+    public func add(lifetime: AnyObject) {
+        serialQueue.sync {
+            if !lifetimes.contains { $0.value === lifetime } {
+                lifetimes.append(Weak(value: lifetime))
+            }
+            reconcile()
+        }
+    }
+
+    @objc
+    public func remove(lifetime: AnyObject) {
+        serialQueue.sync {
+            lifetimes = lifetimes.filter { $0.value !== lifetime }
+            reconcile()
+        }
+    }
+
+    func reconcile() {
+        if _isDebugAssertConfiguration() {
+            assertOnQueue(serialQueue)
+        }
+        lifetimes = lifetimes.filter { $0.value != nil }
+        if lifetimes.isEmpty {
+            Logger.debug("disabling proximity monitoring")
+            DispatchQueue.main.async {
+                self.device.isProximityMonitoringEnabled = false
+            }
+        } else {
+            Logger.debug("enabling proximity monitoring for lifetimes: \(lifetimes)")
+            DispatchQueue.main.async {
+                self.device.isProximityMonitoringEnabled = true
+            }
+        }
+    }
+}