//
// MBProgressHUD.h
// Version 0.5
// Created by Matej Bukovinski on 2.4.09.
//
// This code is distributed under the terms and conditions of the MIT license.
// Copyright (c) 2011 Matej Bukovinski
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
#import <CoreGraphics/CoreGraphics.h>
@protocol MBProgressHUDDelegate;
typedef enum {
/** Progress is shown using an UIActivityIndicatorView. This is the default. */
MBProgressHUDModeIndeterminate,
/** Progress is shown using a round, pie-chart like, progress view. */
MBProgressHUDModeDeterminate,
/** Progress is shown using a ring-shaped progress view. */
MBProgressHUDModeAnnularDeterminate,
/** Shows a custom view */
MBProgressHUDModeCustomView,
/** Shows only labels */
MBProgressHUDModeText
} MBProgressHUDMode;
typedef enum {
/** Opacity animation */
MBProgressHUDAnimationFade,
/** Opacity + scale animation */
MBProgressHUDAnimationZoom,
MBProgressHUDAnimationZoomOut = MBProgressHUDAnimationZoom,
MBProgressHUDAnimationZoomIn
} MBProgressHUDAnimation;
#ifndef MB_STRONG
#if __has_feature(objc_arc)
#define MB_STRONG strong
#else
#define MB_STRONG retain
#endif
#endif
#ifndef MB_WEAK
#if __has_feature(objc_arc_weak)
#define MB_WEAK weak
#elif __has_feature(objc_arc)
#define MB_WEAK unsafe_unretained
#else
#define MB_WEAK assign
#endif
#endif
#if __IPHONE_OS_VERSION_MIN_REQUIRED >= 60000
#define MBLabelAlignmentCenter NSTextAlignmentCenter
#else
#define MBLabelAlignmentCenter UITextAlignmentCenter
#endif
#if NS_BLOCKS_AVAILABLE
typedef void (^MBProgressHUDCompletionBlock)();
#endif
/**
* Displays a simple HUD window containing a progress indicator and two optional labels for short messages.
*
* This is a simple drop-in class for displaying a progress HUD view similar to Apple's private UIProgressHUD class.
* The MBProgressHUD window spans over the entire space given to it by the initWithFrame constructor and catches all
* user input on this region, thereby preventing the user operations on components below the view. The HUD itself is
* drawn centered as a rounded semi-transparent view which resizes depending on the user specified content.
*
* This view supports four modes of operation:
* - MBProgressHUDModeIndeterminate - shows a UIActivityIndicatorView
* - MBProgressHUDModeDeterminate - shows a custom round progress indicator
* - MBProgressHUDModeAnnularDeterminate - shows a custom annular progress indicator
* - MBProgressHUDModeCustomView - shows an arbitrary, user specified view (@see customView)
*
* All three modes can have optional labels assigned:
* - If the labelText property is set and non-empty then a label containing the provided content is placed below the
* indicator view.
* - If also the detailsLabelText property is set then another label is placed below the first label.
*/
@interface MBProgressHUD : UIView
/**
* Creates a new HUD, adds it to provided view and shows it. The counterpart to this method is hideHUDForView:animated:.
*
* @param view The view that the HUD will be added to
* @param animated If set to YES the HUD will appear using the current animationType. If set to NO the HUD will not use
* animations while appearing.
* @return A reference to the created HUD.
*
* @see hideHUDForView:animated:
* @see animationType
*/
+ (MBProgressHUD *)showHUDAddedTo:(UIView *)view animated:(BOOL)animated;
/**
* Finds the top-most HUD subview and hides it. The counterpart to this method is showHUDAddedTo:animated:.
*
* @param view The view that is going to be searched for a HUD subview.
* @param animated If set to YES the HUD will disappear using the current animationType. If set to NO the HUD will not use
* animations while disappearing.
* @return YES if a HUD was found and removed, NO otherwise.
*
* @see showHUDAddedTo:animated:
* @see animationType
*/
+ (BOOL)hideHUDForView:(UIView *)view animated:(BOOL)animated;
/**
* Finds all the HUD subviews and hides them.
*
* @param view The view that is going to be searched for HUD subviews.
* @param animated If set to YES the HUDs will disappear using the current animationType. If set to NO the HUDs will not use
* animations while disappearing.
* @return the number of HUDs found and removed.
*
* @see hideAllHUDForView:animated:
* @see animationType
*/
+ (NSUInteger)hideAllHUDsForView:(UIView *)view animated:(BOOL)animated;
/**
* Finds the top-most HUD subview and returns it.
*
* @param view The view that is going to be searched.
* @return A reference to the last HUD subview discovered.
*/
+ (MBProgressHUD *)HUDForView:(UIView *)view;
/**
* Finds all HUD subviews and returns them.
*
* @param view The view that is going to be searched.
* @return All found HUD views (array of MBProgressHUD objects).
*/
+ (NSArray *)allHUDsForView:(UIView *)view;
/**
* A convenience constructor that initializes the HUD with the window's bounds. Calls the designated constructor with
* window.bounds as the parameter.
*
* @param window The window instance that will provide the bounds for the HUD. Should be the same instance as
* the HUD's superview (i.e., the window that the HUD will be added to).
*/
- (id)initWithWindow:(UIWindow *)window;
/**
* A convenience constructor that initializes the HUD with the view's bounds. Calls the designated constructor with
* view.bounds as the parameter
*
* @param view The view instance that will provide the bounds for the HUD. Should be the same instance as
* the HUD's superview (i.e., the view that the HUD will be added to).
*/
- (id)initWithView:(UIView *)view;
/**
* Display the HUD. You need to make sure that the main thread completes its run loop soon after this method call so
* the user interface can be updated. Call this method when your task is already set-up to be executed in a new thread
* (e.g., when using something like NSOperation or calling an asynchronous call like NSURLRequest).
*
* @param animated If set to YES the HUD will appear using the current animationType. If set to NO the HUD will not use
* animations while appearing.
*
* @see animationType
*/
- (void)show:(BOOL)animated;
/**
* Hide the HUD. This still calls the hudWasHidden: delegate. This is the counterpart of the show: method. Use it to
* hide the HUD when your task completes.
*
* @param animated If set to YES the HUD will disappear using the current animationType. If set to NO the HUD will not use
* animations while disappearing.
*
* @see animationType
*/
- (void)hide:(BOOL)animated;
/**
* Hide the HUD after a delay. This still calls the hudWasHidden: delegate. This is the counterpart of the show: method. Use it to
* hide the HUD when your task completes.
*
* @param animated If set to YES the HUD will disappear using the current animationType. If set to NO the HUD will not use
* animations while disappearing.
* @param delay Delay in seconds until the H
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