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// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <Foundation/Foundation.h>
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#import "FirebasePerformance/Sources/AppActivity/FPRAppActivityTracker.h"
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#import "FirebasePerformance/Sources/Gauges/CPU/FPRCPUGaugeData.h"
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#import "FirebasePerformance/Sources/Gauges/FPRGaugeCollector.h"
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NS_ASSUME_NONNULL_BEGIN
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@class FPRCPUGaugeCollector;
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/** Delegate method for the CPU Gauge collector to report back the CPU gauge data. */
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NS_EXTENSION_UNAVAILABLE("Firebase Performance is not supported for extensions.")
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@protocol FPRCPUGaugeCollectorDelegate
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/**
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* Reports the collected CPU gauge data back to its delegate.
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*
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* @param collector CPU gauge collector that collected the information.
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* @param gaugeData CPU gauge data.
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*/
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- (void)cpuGaugeCollector:(FPRCPUGaugeCollector *)collector gaugeData:(FPRCPUGaugeData *)gaugeData;
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@end
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/** CPU Gauge collector implementation. This class collects the CPU utilitization and reports back
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* to the delegate.
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*/
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NS_EXTENSION_UNAVAILABLE("Firebase Performance is not supported for extensions.")
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@interface FPRCPUGaugeCollector : NSObject <FPRGaugeCollector>
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/** Reference to the delegate object. */
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@property(nonatomic, weak, readonly) id<FPRCPUGaugeCollectorDelegate> delegate;
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/**
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* Initializes the CPU collector object with the delegate object provided.
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*
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* @param delegate Delegate object to which the CPU gauge data is provided.
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* @return Instance of the CPU Gauge collector.
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*/
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- (instancetype)initWithDelegate:(id<FPRCPUGaugeCollectorDelegate>)delegate
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NS_DESIGNATED_INITIALIZER;
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/**
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* Initializer for the CPU Gauge collector. This is not available.
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*/
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- (instancetype)init NS_UNAVAILABLE;
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@end
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NS_ASSUME_NONNULL_END
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