Classes/AssetBrowser/AssetBrowserController.h
/* |
File: AssetBrowserController.h |
Abstract: UIViewController allowing asset selection. |
Version: 1.3 |
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*/ |
#import <UIKit/UIViewController.h> |
#import <UIKit/UITableView.h> |
#import "AssetBrowserSource.h" |
@protocol AssetBrowserControllerDelegate; |
@class UITabBarController, UINavigationController; |
@interface AssetBrowserController : UITableViewController |
{ |
@private |
NSArray *assetSources; |
NSMutableArray *activeAssetSources; |
AssetBrowserSourceType browserSourceType; |
BOOL singleSourceTypeMode; |
BOOL haveBuiltSourceLibraries; |
id <AssetBrowserControllerDelegate> __weak delegate; |
BOOL thumbnailAndTitleGenerationIsRunning; |
BOOL thumbnailAndTitleGenerationEnabled; |
CGFloat lastTableViewYContentOffset; |
BOOL lastTableViewScrollDirection; |
CGFloat thumbnailScale; |
BOOL isModal; |
UIStatusBarStyle lastStatusBarStyle; |
} |
/* |
AssetBrowserController is a UITableViewController subclass which can be used in a number of ways. |
In particular you can use it as a modal picker style view controller, or as a single view controller |
in a navigation heirarchy. When displaying an AssetBrowserController modally, make the AssetBrowserController |
the root of a UINavigationController then present that controller modally. |
An AssetBrowserController can show one or multiple sources. When using AssetBrowserController |
with UITabBarContoller you may wish to use one AssetBrowserController/source per tab. |
On iPad a picker style AssetBrowserController works nicely inside a UIPopover. Some convenience |
methods are provided below. |
*/ |
- (id)initWithSourceType:(AssetBrowserSourceType)sourceType modalPresentation:(BOOL)modalPresentation; |
- (void)clearSelection; // Used to clear the selection without dismissing the asset browser; |
@property (nonatomic, weak) id<AssetBrowserControllerDelegate> delegate; |
@end |
@protocol AssetBrowserControllerDelegate <NSObject> |
@optional |
/* It is the delegate's responsibility to dismiss the view controller if it has been presented modally. |
If the view controller is part of a navigation heirarchy the client can push a new view controller |
in response to an asset being selected. */ |
- (void)assetBrowser:(AssetBrowserController *)assetBrowser didChooseItem:(AssetBrowserItem *)assetBrowserItem; |
- (void)assetBrowserDidCancel:(AssetBrowserController *)assetBrowser; |
@end |
@interface UINavigationController (AssetBrowserConvenienceMethods) |
// Has a navigation bar and a cancel button. Present the navigation controller modally. |
+ (UINavigationController*)modalAssetBrowserControllerWithSourceType:(AssetBrowserSourceType)sourceType delegate:(id <AssetBrowserControllerDelegate>)delegate; |
@end |
@interface UITabBarController (AssetBrowserConvenienceMethods) |
// Configured with one source per tab. Present the tab bar controller modally. |
+ (UITabBarController*)tabbedModalAssetBrowserControllerWithSourceType:(AssetBrowserSourceType)sourceType delegate:(id <AssetBrowserControllerDelegate>)delegate; |
@end |
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