Initial commit

2017-08-15 16:59:01 +08:00
commit bdc83e07ef
5766 changed files with 423223 additions and 0 deletions
@@ -0,0 +1,196 @@
+/*
+ 
+ MIT License (MIT)
+ 
+ Copyright (c) 2015 Clement CN Tsang
+ 
+ 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 "PureLayout.h"
+#import "CTAssetsPickerDefines.h"
+#import "CTAssetThumbnailView.h"
+#import "CTAssetThumbnailOverlay.h"
+#import "PHAsset+CTAssetsPickerController.h"
+#import "NSDateFormatter+CTAssetsPickerController.h"
+
+
+
+@interface CTAssetThumbnailView ()
+
+@property (nonatomic, strong) CTAssetThumbnailOverlay *overlay;
+@property (nonatomic, strong) UIImageView *imageView;
+@property (nonatomic, strong) UIImageView *backgroundView;
+
+@property (nonatomic, assign) BOOL didSetupConstraints;
+
+@end
+
+
+
+@implementation CTAssetThumbnailView
+
+- (instancetype)initWithFrame:(CGRect)frame
+{
+    if (self = [super initWithFrame:frame])
+    {
+        _showsDuration              = YES;
+        self.opaque                 = YES;
+        self.clipsToBounds          = YES;
+        self.isAccessibilityElement = NO;
+        
+        [self setupViews];
+    }
+    
+    return self;
+}
+
+#pragma markt - Setup
+
+- (void)setupViews
+{
+    self.backgroundColor = CTAssetsPikcerThumbnailBackgroundColor;
+    
+    UIImageView *backgroundView = [UIImageView new];
+    backgroundView.contentMode = UIViewContentModeCenter;
+    backgroundView.tintColor = CTAssetsPikcerThumbnailTintColor;
+    self.backgroundView = backgroundView;
+    
+    UIImageView *imageView = [UIImageView new];
+    imageView.contentMode = UIViewContentModeScaleAspectFill;
+    self.imageView = imageView;
+    
+    [self addSubview:self.backgroundView];
+    [self addSubview:self.imageView];
+}
+
+
+#pragma markt - Setters
+
+- (void)setBackgroundImage:(UIImage *)backgroundImage
+{
+    _backgroundImage = backgroundImage;
+    self.backgroundView.image = backgroundImage;
+}
+
+
+#pragma markt - Override set bounds
+
+-(void)setBounds:(CGRect)bounds
+{
+    super.bounds = bounds;
+    
+    self.overlay.frame = bounds;
+    [self.overlay setNeedsDisplay];
+}
+
+
+#pragma mark - Update auto layout constraints
+
+- (void)updateConstraints
+{
+    if (!self.didSetupConstraints)
+    {
+        [self.backgroundView autoPinEdgesToSuperviewEdgesWithInsets:UIEdgeInsetsZero];
+        [self.imageView autoPinEdgesToSuperviewEdgesWithInsets:UIEdgeInsetsZero];
+        
+        self.didSetupConstraints = YES;
+    }
+    
+    [super updateConstraints];
+}
+
+#pragma - Bind asset and image
+
+- (void)bind:(UIImage *)image asset:(PHAsset *)asset;
+{
+    [self setupOverlayForAsset:asset];
+    
+    self.imageView.image = image;
+    self.backgroundView.hidden = (image != nil);
+    
+    [self setNeedsUpdateConstraints];
+    [self updateConstraintsIfNeeded];
+}
+
+- (void)setupOverlayForAsset:(PHAsset *)asset
+{
+    if (asset.ctassetsPickerIsVideo)
+    {
+        if (!self.overlay) {
+            self.overlay = [[CTAssetThumbnailOverlay alloc] initWithFrame:self.bounds];
+            [self addSubview:self.overlay];
+        }
+        
+        NSString *duration = nil;
+
+        if (self.showsDuration)
+        {
+            NSDateFormatter *df = [NSDateFormatter new];
+            duration = [df ctassetsPickerStringFromTimeInterval:asset.duration];
+        }
+    
+        [self.overlay bind:asset duration:duration];
+    }
+    
+    else
+    {
+        [self.overlay removeFromSuperview];
+        self.overlay = nil;
+    }        
+}
+
+
+#pragma - Bind asset collection and image
+
+- (void)bind:(UIImage *)image assetCollection:(PHAssetCollection *)assetCollection;
+{
+    [self setupOverlayForAssetCollection:assetCollection];
+    
+    self.imageView.image = image;
+    self.backgroundView.hidden = (image != nil);
+    
+    [self setNeedsUpdateConstraints];
+    [self updateConstraintsIfNeeded];
+}
+
+- (void)setupOverlayForAssetCollection:(PHAssetCollection *)assetCollection
+{
+    if (assetCollection.assetCollectionType == PHAssetCollectionTypeSmartAlbum &&
+        assetCollection.assetCollectionSubtype != PHAssetCollectionSubtypeSmartAlbumAllHidden)
+    {
+        if (!self.overlay) {
+            self.overlay = [[CTAssetThumbnailOverlay alloc] initWithFrame:self.bounds];
+            [self addSubview:self.overlay];
+        }
+        
+        [self.overlay bind:assetCollection];
+    }
+    
+    else
+    {
+        [self.overlay removeFromSuperview];
+        self.overlay = nil;
+    }
+}
+
+
+
+@end