Pr/70

BFRImageViewController/BFRImageContainerViewController.h

@@ -8,12 +8,23 @@
 
 #import <UIKit/UIKit.h>
 
+typedef NS_ENUM(NSUInteger, BFRImageAssetType) {
+    BFRImageAssetTypeImage,
+    BFRImageAssetTypeRemoteImage,
+    BFRImageAssetTypeGIF,
+    BFRImageAssetTypeLivePhoto,
+    BFRImageAssetTypeUnknown
+};
+
 /*! This class holds an image to view, if you need an image viewer alloc @C BFRImageViewController instead. This class isn't meant to instanitated outside of it. */
 @interface BFRImageContainerViewController : UIViewController
 
 /*! Source of the image, which should either be @c NSURL or @c UIIimage. */
 @property (strong, nonatomic, nonnull) id imgSrc;
 
+/*! The type of asset that is being represented by the given @p imgSrc. */
+@property (nonatomic, assign) BFRImageAssetType assetType;
+
 /*! This will determine whether to change certain behaviors for 3D touch considerations based on its value. */
 @property (nonatomic, getter=isBeingUsedFor3DTouch) BOOL usedFor3DTouch;
 
@@ -29,4 +40,7 @@
 /*! If there is more than one image in the containing @c BFRImageViewController - this property is set to YES to make swiping from image to image easier. */
 @property (nonatomic, getter=shouldDisableHorizontalDrag) BOOL disableHorizontalDrag;
 
+/*! Assigning YES to this property will disable autoplay for live photos when it used with 3DTouch peek feature */
+@property (nonatomic, getter=shouldDisableAutoplayForLivePhoto) BOOL disableAutoplayForLivePhoto;
+
 @end

BFRImageViewController/BFRImageViewController.h

@@ -33,4 +33,7 @@
 /*! Allows you to assign an index which to show first when opening multiple images. */
 @property (nonatomic, assign) NSInteger startingIndex;
 
+/*! Allows you to enable autoplay for peek&play feature on photo live view. Default to YES */
+@property (nonatomic, getter=shouldDisableAutoplayForLivePhoto) BOOL disableAutoplayForLivePhoto;
+
 @end

BFRImageViewController/BFRImageViewController.m

@@ -53,6 +53,7 @@ - (instancetype)initWithImageSource:(NSArray *)images {
         self.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
         self.enableDoneButton = YES;
         self.showDoneButtonOnLeft = YES;
+        self.disableAutoplayForLivePhoto = YES;
         self.parallaxView = [UIView new];
     }
 
@@ -69,6 +70,7 @@ - (instancetype)initForPeekWithImageSource:(NSArray *)images {
         self.enableDoneButton = YES;
         self.showDoneButtonOnLeft = YES;
         self.usedFor3DTouch = YES;
+        self.disableAutoplayForLivePhoto = YES;
         self.parallaxView = [UIView new];
     }
 
@@ -98,6 +100,7 @@ - (void)viewDidLoad {
         imgVC.useTransparentBackground = self.isUsingTransparentBackground;
         imgVC.disableSharingLongPress = self.shouldDisableSharingLongPress;
         imgVC.disableHorizontalDrag = (self.images.count > 1);
+        imgVC.disableAutoplayForLivePhoto = self.shouldDisableAutoplayForLivePhoto;
         [self.imageViewControllers addObject:imgVC];
     }
 

BFRImageViewerDemo/BFRImageViewer.xcodeproj/project.pbxproj

@@ -25,6 +25,7 @@
 		944B4DC11BFFC0C000B9BF87 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 944B4DBF1BFFC0C000B9BF87 /* LaunchScreen.storyboard */; };
 		944B4DE91BFFC0E300B9BF87 /* BFRImageContainerViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 944B4DE61BFFC0E300B9BF87 /* BFRImageContainerViewController.m */; };
 		944B4DEA1BFFC0E300B9BF87 /* BFRImageViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 944B4DE81BFFC0E300B9BF87 /* BFRImageViewController.m */; };
+		95D4797D1F97C348001E54D4 /* FifthViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 95D4797C1F97C348001E54D4 /* FifthViewController.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -61,6 +62,8 @@
 		944B4DE61BFFC0E300B9BF87 /* BFRImageContainerViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BFRImageContainerViewController.m; sourceTree = "<group>"; };
 		944B4DE71BFFC0E300B9BF87 /* BFRImageViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BFRImageViewController.h; sourceTree = "<group>"; };
 		944B4DE81BFFC0E300B9BF87 /* BFRImageViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BFRImageViewController.m; sourceTree = "<group>"; };
+		95D4797B1F97C348001E54D4 /* FifthViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = FifthViewController.h; sourceTree = "<group>"; };
+		95D4797C1F97C348001E54D4 /* FifthViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = FifthViewController.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -130,6 +133,8 @@
 				944B4DAE1BFFC0C000B9BF87 /* Supporting Files */,
 				171F4AD11E96C31400F4AF01 /* FourthViewController.h */,
 				171F4AD21E96C31400F4AF01 /* FourthViewController.m */,
+				95D4797B1F97C348001E54D4 /* FifthViewController.h */,
+				95D4797C1F97C348001E54D4 /* FifthViewController.m */,
 			);
 			path = BFRImageViewer;
 			sourceTree = "<group>";
@@ -299,6 +304,7 @@
 				944B4DB91BFFC0C000B9BF87 /* SecondViewController.m in Sources */,
 				1797CB8E1E81BB4F00D9F729 /* BFRImageTransitionAnimator.m in Sources */,
 				1797CB911E81BBB200D9F729 /* ThirdViewController.m in Sources */,
+				95D4797D1F97C348001E54D4 /* FifthViewController.m in Sources */,
 				944B4DEA1BFFC0E300B9BF87 /* BFRImageViewController.m in Sources */,
 				944B4DB31BFFC0C000B9BF87 /* AppDelegate.m in Sources */,
 				171F4AD01E96BE0500F4AF01 /* BFRBackLoadedImageSource.m in Sources */,

BFRImageViewerDemo/BFRImageViewer.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

BFRImageViewerDemo/BFRImageViewer/AppDelegate.m

@@ -11,6 +11,7 @@
 #import "SecondViewController.h"
 #import "ThirdViewController.h"
 #import "FourthViewController.h"
+#import "FifthViewController.h"
 
 @interface AppDelegate ()
 
@@ -24,7 +25,11 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
 
     UITabBarController *tabVC = [UITabBarController new];
     tabVC.view.backgroundColor = [UIColor whiteColor];
-    tabVC.viewControllers = @[[FirstViewController new], [SecondViewController new], [ThirdViewController new], [FourthViewController new]];
+    tabVC.viewControllers = @[[FirstViewController new],
+                              [SecondViewController new],
+                              [ThirdViewController new],
+                              [FourthViewController new],
+                              [FifthViewController new]];
 
     self.window.rootViewController = tabVC;
     [self.window makeKeyAndVisible];

BFRImageViewerDemo/BFRImageViewer/FifthViewController.h

@@ -0,0 +1,13 @@
+//
+//  FifthViewController.h
+//  BFRImageViewer
+//
+//  Created by Omer Emre Aslan on 18.10.2017.
+//  Copyright © 2017 Andrew Yates. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface FifthViewController : UIViewController
+
+@end

BFRImageViewerDemo/BFRImageViewer/FifthViewController.m

@@ -0,0 +1,164 @@
+//
+//  FifthViewController.m
+//  BFRImageViewer
+//
+//  Created by Omer Emre Aslan on 18.10.2017.
+//  Copyright © 2017 Andrew Yates. All rights reserved.
+//
+
+#import <Photos/Photos.h>
+#import "FifthViewController.h"
+#import "BFRImageViewController.h"
+
+@interface FifthViewController () <UIViewControllerPreviewingDelegate>
+
+@end
+
+@implementation FifthViewController
+
+- (instancetype) init {
+    if (self = [super init]) {
+        self.title = @"Live Photo";
+    }
+
+    return self;
+}
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+
+    [self check3DTouch];
+
+    [self addImageButtonToView];
+}
+
+#pragma mark - 3D Touch
+- (void)check3DTouch {
+    if ([self.traitCollection respondsToSelector:@selector(forceTouchCapability)] && self.traitCollection.forceTouchCapability == UIForceTouchCapabilityAvailable) {
+        [self registerForPreviewingWithDelegate:self sourceView:self.view];
+    }
+}
+
+- (UIViewController *)previewingContext:(id<UIViewControllerPreviewing>)previewingContext viewControllerForLocation:(CGPoint)location {
+    PHAuthorizationStatus status = [PHPhotoLibrary authorizationStatus];
+
+    if (status == PHAuthorizationStatusAuthorized) {
+        return [self imageViewControllerForLivePhotoDisableAutoplay:NO];
+    } else {
+        [self showAuthorizationAlertViewControllerAnimated:YES];
+        return nil;
+    }
+}
+
+- (void)previewingContext:(id<UIViewControllerPreviewing>)previewingContext commitViewController:(UIViewController *)viewControllerToCommit {
+    [self presentViewController:viewControllerToCommit animated:YES completion:nil];
+}
+
+- (void)traitCollectionDidChange:(UITraitCollection *)previousTraitCollection {
+    if ([self.traitCollection respondsToSelector:@selector(forceTouchCapability)] && self.traitCollection.forceTouchCapability == UIForceTouchCapabilityAvailable) {
+        [self check3DTouch];
+    }
+}
+
+#pragma mark - Misc
+- (void)addImageButtonToView {
+    UIButton *openImageFromURL = [UIButton buttonWithType:UIButtonTypeRoundedRect];
+    openImageFromURL.translatesAutoresizingMaskIntoConstraints = NO;
+    [openImageFromURL setTitle:@"Open Image" forState:UIControlStateNormal];
+    [openImageFromURL addTarget:self
+                         action:@selector(openImage:)
+               forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:openImageFromURL];
+    [openImageFromURL.centerXAnchor constraintEqualToAnchor:self.view.centerXAnchor].active = YES;
+    [openImageFromURL.centerYAnchor constraintEqualToAnchor:self.view.centerYAnchor].active = YES;
+}
+
+#pragma mark - Actions
+
+- (void)openImage:(UIButton *)sender {
+    PHAuthorizationStatus status = [PHPhotoLibrary authorizationStatus];
+
+    if (status == PHAuthorizationStatusAuthorized) {
+        BFRImageViewController *imageViewController = [self
+                                                       imageViewControllerForLivePhotoDisableAutoplay:YES];
+        [self presentViewController:imageViewController
+                           animated:YES
+                         completion:nil];
+    } else {
+        [PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
+            if (status == PHAuthorizationStatusAuthorized) {
+                BFRImageViewController *imageViewController = [self imageViewControllerForLivePhotoDisableAutoplay:YES];
+                [self presentViewController:imageViewController
+                                   animated:YES
+                                 completion:nil];
+            } else {
+                [self showAuthorizationAlertViewControllerAnimated:YES];
+            }
+        }];
+    }
+
+}
+
+- (void)showAuthorizationAlertViewControllerAnimated:(BOOL)isAnimated {
+    UIAlertController *controller = [UIAlertController
+                                     alertControllerWithTitle:NSLocalizedString(@"Authorization Failed!", nil)
+                                     message:NSLocalizedString(@"In order to access live photo feature, please allow authorization on Settings.", nil)
+                                     preferredStyle:UIAlertControllerStyleAlert];
+    UIAlertAction *closeAction = [UIAlertAction
+                                  actionWithTitle:NSLocalizedString(@"Close", nil)
+                                  style:UIAlertActionStyleDefault
+                                  handler:nil];
+    [controller addAction:closeAction];
+
+    [self presentViewController:controller
+                       animated:isAnimated
+                     completion:nil];
+}
+
+- (BFRImageViewController *)imageViewControllerForLivePhotoDisableAutoplay:(BOOL)shouldDisableAutoPlay {
+    PHFetchOptions *options = [[PHFetchOptions alloc] init];
+    options.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:NO]];
+    options.predicate = [NSPredicate predicateWithFormat:@"mediaType == %d", PHAssetMediaTypeImage];
+    options.predicate = [NSPredicate predicateWithFormat:@"mediaSubtype == %d", PHAssetMediaSubtypePhotoLive];
+    options.includeAllBurstAssets = NO;
+    PHFetchResult *allLivePhotos = [PHAsset fetchAssetsWithOptions:options];
+
+    NSMutableArray *livePhotosToShow = [NSMutableArray new];
+
+    if (allLivePhotos.count > 0) {
+        NSInteger maxResults = 4;
+        NSInteger currentFetchCount = 0;
+
+        for (PHFetchResult *result in allLivePhotos) {
+            if (currentFetchCount == maxResults) {
+                break;
+            }
+
+            [livePhotosToShow addObject:result];
+            currentFetchCount++;
+        }
+
+        BFRImageViewController *viewController = [[BFRImageViewController alloc]
+                                                  initWithImageSource:[livePhotosToShow copy]];
+        viewController.disableAutoplayForLivePhoto = shouldDisableAutoPlay;
+        return viewController;
+    } else {
+        UIAlertController *controller = [UIAlertController
+                                         alertControllerWithTitle:@"No Live Photos"
+                                         message:@"There doesn't appear to be any live photos on your device."
+                                         preferredStyle:UIAlertControllerStyleAlert];
+        UIAlertAction *closeAction = [UIAlertAction
+                                      actionWithTitle:NSLocalizedString(@"Close", nil)
+                                      style:UIAlertActionStyleDefault
+                                      handler:nil];
+        [controller addAction:closeAction];
+
+        [self presentViewController:controller
+                           animated:YES
+                         completion:nil];
+
+        return nil;
+    }
+}
+
+@end

BFRImageViewerDemo/BFRImageViewer/Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>NSPhotoLibraryUsageDescription</key>
+	<string>The app will open an image from your library.</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleExecutable</key>