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//
// IPPhotoTilingManager.h
// ipad-portfolio
//
// Created by Brian Dewey on 6/24/11.
// Copyright 2011 Brian's Brain. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#import <Foundation/Foundation.h>
//
// This is a callback that gets called each time a scale level is tiled
// for a photo.
//
typedef void (^IPPhotoOptimizationCompletion)(void);
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
@class IPPhoto;
@class IPPage;
@class IPSet;
@protocol IPPhotoOptimizationManagerDelegate;
@interface IPPhotoOptimizationManager : NSObject
//
// The shared manager.
//
+ (IPPhotoOptimizationManager *)sharedManager;
//
// Asynchronously optimizes the photo. Calls the completion routine on the main
// thread when optimization is complete.
//
- (void)asyncOptimizePhoto:(IPPhoto *)photo withCompletion:(IPPhotoOptimizationCompletion)completion;
//
// Optimize a set of photos, then call the completion when all are done.
//
- (void)asyncOptimizePhotos:(NSArray *)photos withCompletion:(IPPhotoOptimizationCompletion)completion;
//
// Asynchronously optimize a page.
//
- (void)asyncOptimizePage:(IPPage *)page withCompletion:(IPPhotoOptimizationCompletion)completion;
//
// Delegate, gets to show UI.
//
@property (nonatomic, weak) id<IPPhotoOptimizationManagerDelegate> delegate;
//
// The queue on which we work. This is a good place to put all resource-intensive
// background tasks.
//
@property (nonatomic, strong) NSOperationQueue *optimizationQueue;
//
// Flag for debugging.
//
@property (nonatomic, assign) BOOL workSynchronouslyForDebugging;
@end
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
// The optimization manager delegate gets to display UI when optimization
// happens.
//
@protocol IPPhotoOptimizationManagerDelegate <NSObject>
- (void)optimizationManager:(IPPhotoOptimizationManager *)optimizationManager
didHaveOptimizationCount:(NSUInteger)optimizationCount;
@end