Rename iOS SonarClient to FlipperClient

Summary: Renamed `SonarClient` to `FlipperClient`

Reviewed By: passy

Differential Revision: D9861749

fbshipit-source-id: 3374e4297e49ac198a235babc92deb9d2dddc268

iOS/SonarKit/FlipperClient.h

@@ -0,0 +1,71 @@
+/*
+ *  Copyright (c) 2018-present, Facebook, Inc.
+ *
+ *  This source code is licensed under the MIT license found in the LICENSE
+ *  file in the root directory of this source tree.
+ *
+ */
+#ifdef FB_SONARKIT_ENABLED
+
+#import <Foundation/Foundation.h>
+#import "SonarPlugin.h"
+#import "FlipperStateUpdateListener.h"
+
+/**
+Represents a connection between the Sonar desktop och client side. Manages the lifecycle of attached
+plugin instances.
+*/
+@interface FlipperClient : NSObject
+
+/**
+The shared singleton FlipperClient instance. It is an error to call this on non-debug builds to avoid leaking data.
+*/
++ (instancetype)sharedClient;
+
+/**
+Register a plugin with the client.
+*/
+- (void)addPlugin:(NSObject<SonarPlugin> *)plugin;
+
+/**
+Unregister a plugin with the client.
+*/
+- (void)removePlugin:(NSObject<SonarPlugin> *)plugin;
+
+/**
+Retrieve the plugin with a given identifier which was previously registered with this client.
+*/
+- (NSObject<SonarPlugin> *)pluginWithIdentifier:(NSString *)identifier;
+
+/**
+Establish a connection to the Sonar desktop.
+*/
+- (void)start;
+
+/**
+Stop the connection to the Sonar desktop.
+*/
+- (void)stop;
+
+/**
+Get the log of state changes from the sonar client
+*/
+- (NSString *)getState;
+
+/**
+ Get the current summarized state of the sonar client
+ */
+- (NSArray<NSDictionary *> *)getStateElements;
+
+/**
+Subscribe a ViewController to state update change notifications
+*/
+- (void)subscribeForUpdates:(id<FlipperStateUpdateListener>)controller;
+
+// initializers are disabled. You must use `+[FlipperClient sharedClient]` instance.
+- (instancetype)init NS_UNAVAILABLE;
++ (instancetype)new NS_UNAVAILABLE;
+
+@end
+
+#endif