333 lines
12 KiB
C
333 lines
12 KiB
C
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// GMImagePickerController.h
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// GMPhotoPicker
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//
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// Created by Guillermo Muntaner Perelló on 19/09/14.
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// Copyright (c) 2014 Guillermo Muntaner Perelló. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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#import <Photos/Photos.h>
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//This is the default image picker size!
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//static CGSize const kPopoverContentSize = {320, 480};
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//However, the iPad is 1024x768 so it can allow popups up to 768!
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static CGSize const kPopoverContentSize = {480, 720};
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@protocol GMImagePickerControllerDelegate;
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/**
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* A controller that allows picking multiple photos and videos from user's photo library.
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*/
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@interface GMImagePickerController : UIViewController
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/**
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* The assets picker’s delegate object.
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*/
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@property (nonatomic, weak) id <GMImagePickerControllerDelegate> delegate;
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/**
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* It contains the selected `PHAsset` objects. The order of the objects is the selection order.
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*
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* You can add assets before presenting the picker to show the user some preselected assets.
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*/
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@property (nonatomic, strong) NSMutableArray *selectedAssets;
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/** UI Customizations **/
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/**
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* Determines which smart collections are displayed (int array of enum: PHAssetCollectionSubtypeSmartAlbum)
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* The default smart collections are:
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* - Favorites
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* - RecentlyAdded
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* - Videos
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* - SlomoVideos
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* - Timelapses
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* - Bursts
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* - Panoramas
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*/
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@property (nonatomic, strong) NSArray* customSmartCollections;
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/**
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* Determines which media types are allowed (int array of enum: PHAssetMediaType)
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* This defaults to all media types (view, audio and images)
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* This can override customSmartCollections behavior (ie, remove video-only smart collections)
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*/
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@property (nonatomic, strong) NSArray* mediaTypes;
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/**
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* If set, it displays a this string instead of the localised default of "Done" on the done button. Note also that this
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* is not used when a single selection is active since the selection of the chosen photo closes the VC thus rendering
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* the button pointless.
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*/
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@property (nonatomic) NSString* customDoneButtonTitle;
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/**
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* If set, it displays this string instead of the localised default of "Cancel" on the cancel button
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*/
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@property (nonatomic) NSString* customCancelButtonTitle;
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/**
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* If set, it displays a prompt in the navigation bar
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*/
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@property (nonatomic) NSString* customNavigationBarPrompt;
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/**
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* Determines whether or not a toolbar with info about user selection is shown.
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* The InfoToolbar is visible by default.
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*/
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@property (nonatomic) BOOL displaySelectionInfoToolbar;
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/**
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* Determines whether or not the number of assets is shown in the Album list.
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* The number of assets is visible by default.
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*/
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@property (nonatomic, assign) BOOL displayAlbumsNumberOfAssets;
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/**
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* Automatically disables the "Done" button if nothing is selected. Defaults to YES.
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*/
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@property (nonatomic, assign) BOOL autoDisableDoneButton;
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/**
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* Use the picker either for miltiple image selections, or just a single selection. In the case of a single selection
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* the VC is closed on selection so the Done button is neither displayed or used. Default is YES.
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*/
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@property (nonatomic, assign) BOOL allowsMultipleSelection;
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/**
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* In the case where allowsMultipleSelection = NO, set this to YES to have the user confirm their selection. Default is NO.
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*/
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@property (nonatomic, assign) BOOL confirmSingleSelection;
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/**
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* If set, it displays this string (if confirmSingleSelection = YES) instead of the localised default.
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*/
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@property (nonatomic) NSString *confirmSingleSelectionPrompt;
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/**
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* True to always show the toolbar, with a camera button allowing new photos to be taken. False to auto show/hide the
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* toolbar, and have no camera button. Default is false. If true, this renders displaySelectionInfoToolbar a no-op.
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*/
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@property (nonatomic, assign) BOOL showCameraButton;
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/**
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* True to auto select the image(s) taken with the camera if showCameraButton = YES. In the case of allowsMultipleSelection = YES,
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* this will trigger the selection handler too.
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*/
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@property (nonatomic, assign) BOOL autoSelectCameraImages;
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/**
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* If set, the user is allowed to edit captured still images
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*/
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@property (nonatomic, assign) BOOL allowsEditingCameraImages;
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/**
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* Grid customizations:
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*
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* - colsInPortrait: Number of columns in portrait (3 by default)
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* - colsInLandscape: Number of columns in landscape (5 by default)
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* - minimumInteritemSpacing: Horizontal and vertical minimum space between grid cells (2.0 by default)
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*/
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@property (nonatomic) NSInteger colsInPortrait;
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@property (nonatomic) NSInteger colsInLandscape;
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@property (nonatomic) double minimumInteritemSpacing;
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/**
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* UI customizations:
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*
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* - pickerBackgroundColor: The colour for all backgrounds; behind the table and cells. Defaults to [UIColor whiteColor]
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* - pickerTextColor: The color for text in the views. This needs to work with pickerBackgroundColor! Default of darkTextColor
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* - toolbarBackgroundColor: The background color of the toolbar. Defaults to nil.
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* - toolbarBarTintColor: The color for the background tint of the toolbar. Defaults to nil.
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* - toolbarTextColor: The color of the text on the toolbar
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* - toolbarTintColor: The tint colour used for any buttons on the toolbar
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* - navigationBarBackgroundColor: The background of the navigation bar. Defaults to nil.
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* - navigationBarBarTintColor: The color for the background tint of the navigation bar. Defaults to nil.
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* - navigationBarTextColor: The color for the text in the navigation bar. Defaults to [UIColor darkTextColor]
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* - navigationBarTintColor: The tint color used for any buttons on the navigation Bar
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* - pickerFontName: The font to use everywhere. Defaults to HelveticaNeue. It is advised if you set this to check, and possibly set, appropriately the custom font sizes. For font information, check http://www.iosfonts.com/
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* - pickerFontName: The font to use everywhere. Defaults to HelveticaNeue-Bold. It is advised if you set this to check, and possibly set, appropriately the custom font sizes.
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* - pickerFontNormalSize: The size of the custom font used in most places. Defaults to 14.0f
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* - pickerFontHeaderSize: The size of the custom font for album names. Defaults to 17.0f
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* - pickerStatusBarsStyle: On iPhones this will matter if custom navigation bar colours are being used. Defaults to UIStatusBarStyleDefault
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* - useCustomFontForNavigationBar: True to use the custom font (or it's default) in the navigation bar, false to leave to iOS Defaults.
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* - arrangeSmartCollectionsFirst: True will put the users smart collections above their albums, false will set it opposite. Default is NO.
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*/
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@property (nonatomic, strong) UIColor *pickerBackgroundColor;
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@property (nonatomic, strong) UIColor *pickerTextColor;
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@property (nonatomic, strong) UIColor *toolbarBackgroundColor;
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@property (nonatomic, strong) UIColor *toolbarBarTintColor;
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@property (nonatomic, strong) UIColor *toolbarTextColor;
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@property (nonatomic, strong) UIColor *toolbarTintColor;
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@property (nonatomic, strong) UIColor *navigationBarBackgroundColor;
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@property (nonatomic, strong) UIColor *navigationBarBarTintColor;
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@property (nonatomic, strong) UIColor *navigationBarTextColor;
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@property (nonatomic, strong) UIColor *navigationBarTintColor;
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@property (nonatomic, strong) NSString *pickerFontName;
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@property (nonatomic, strong) NSString *pickerBoldFontName;
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@property (nonatomic) CGFloat pickerFontNormalSize;
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@property (nonatomic) CGFloat pickerFontHeaderSize;
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@property (nonatomic) UIStatusBarStyle pickerStatusBarStyle;
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@property (nonatomic) BOOL useCustomFontForNavigationBar;
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@property (nonatomic) BOOL arrangeSmartCollectionsFirst;
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/**
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* A reference to the navigation controller used to manage the whole picking process
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*/
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@property (nonatomic, strong) UINavigationController *navigationController;
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/**
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* Managing Asset Selection
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*/
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- (void)selectAsset:(PHAsset *)asset;
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- (void)deselectAsset:(PHAsset *)asset;
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/**
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* User finish Actions
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*/
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- (void)dismiss:(id)sender;
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- (void)finishPickingAssets:(id)sender;
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@end
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@protocol GMImagePickerControllerDelegate <NSObject>
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/**
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* @name Closing the Picker
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*/
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/**
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* Tells the delegate that the user finish picking photos or videos.
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* @param picker The controller object managing the assets picker interface.
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* @param assets An array containing picked PHAssets objects.
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*/
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- (void)assetsPickerController:(GMImagePickerController *)picker didFinishPickingAssets:(NSArray *)assets;
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@optional
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/**
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* Tells the delegate that the user cancelled the pick operation.
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* @param picker The controller object managing the assets picker interface.
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*/
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- (void)assetsPickerControllerDidCancel:(GMImagePickerController *)picker;
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/**
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* @name Enabling Assets
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*/
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/**
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* Ask the delegate if the specified asset should be shown.
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*
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* @param picker The controller object managing the assets picker interface.
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* @param asset The asset to be shown.
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*
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* @return `YES` if the asset should be shown or `NO` if it should not.
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*/
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- (BOOL)assetsPickerController:(GMImagePickerController *)picker shouldShowAsset:(PHAsset *)asset;
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/**
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* Ask the delegate if the specified asset should be enabled for selection.
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*
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* @param picker The controller object managing the assets picker interface.
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* @param asset The asset to be enabled.
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*
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* @return `YES` if the asset should be enabled or `NO` if it should not.
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*/
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- (BOOL)assetsPickerController:(GMImagePickerController *)picker shouldEnableAsset:(PHAsset *)asset;
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/**
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* @name Managing the Selected Assets
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*/
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/**
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* Asks the delegate if the specified asset should be selected.
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*
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* @param picker The controller object managing the assets picker interface.
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* @param asset The asset to be selected.
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*
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* @return `YES` if the asset should be selected or `NO` if it should not.
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*
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*/
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- (BOOL)assetsPickerController:(GMImagePickerController *)picker shouldSelectAsset:(PHAsset *)asset;
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/**
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* Tells the delegate that the asset was selected.
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*
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* @param picker The controller object managing the assets picker interface.
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* @param asset The asset that was selected.
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*
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*/
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- (void)assetsPickerController:(GMImagePickerController *)picker didSelectAsset:(PHAsset *)asset;
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/**
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* Asks the delegate if the specified asset should be deselected.
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*
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* @param picker The controller object managing the assets picker interface.
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* @param asset The asset to be deselected.
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*
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* @return `YES` if the asset should be deselected or `NO` if it should not.
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*
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*/
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- (BOOL)assetsPickerController:(GMImagePickerController *)picker shouldDeselectAsset:(PHAsset *)asset;
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/**
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* Tells the delegate that the item at the specified path was deselected.
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*
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* @param picker The controller object managing the assets picker interface.
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* @param asset The asset that was deselected.
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*
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*/
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- (void)assetsPickerController:(GMImagePickerController *)picker didDeselectAsset:(PHAsset *)asset;
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/**
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* @name Managing Asset Highlighting
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*/
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/**
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* Asks the delegate if the specified asset should be highlighted.
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*
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* @param picker The controller object managing the assets picker interface.
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* @param asset The asset to be highlighted.
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*
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* @return `YES` if the asset should be highlighted or `NO` if it should not.
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*/
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- (BOOL)assetsPickerController:(GMImagePickerController *)picker shouldHighlightAsset:(PHAsset *)asset;
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/**
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* Tells the delegate that asset was highlighted.
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*
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* @param picker The controller object managing the assets picker interface.
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* @param asset The asset that was highlighted.
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*
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*/
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- (void)assetsPickerController:(GMImagePickerController *)picker didHighlightAsset:(PHAsset *)asset;
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/**
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* Tells the delegate that the highlight was removed from the asset.
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*
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* @param picker The controller object managing the assets picker interface.
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* @param asset The asset that had its highlight removed.
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*
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*/
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- (void)assetsPickerController:(GMImagePickerController *)picker didUnhighlightAsset:(PHAsset *)asset;
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@end
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