mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-09-08 21:49:41 +00:00
265 lines
11 KiB
Objective-C
265 lines
11 KiB
Objective-C
/* This file provided by Facebook is for non-commercial testing and evaluation
|
|
* purposes only. Facebook reserves all rights not expressly granted.
|
|
*
|
|
* 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
|
|
* FACEBOOK 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 "PostNode.h"
|
|
#import "Post.h"
|
|
#import "TextStyles.h"
|
|
#import "LikesNode.h"
|
|
#import "CommentsNode.h"
|
|
|
|
@interface PostNode() <ASNetworkImageNodeDelegate, ASTextNodeDelegate>
|
|
|
|
@property (strong, nonatomic) Post *post;
|
|
@property (strong, nonatomic) ASDisplayNode *divider;
|
|
@property (strong, nonatomic) ASTextNode *nameNode;
|
|
@property (strong, nonatomic) ASTextNode *usernameNode;
|
|
@property (strong, nonatomic) ASTextNode *timeNode;
|
|
@property (strong, nonatomic) ASTextNode *postNode;
|
|
@property (strong, nonatomic) ASImageNode *viaNode;
|
|
@property (strong, nonatomic) ASNetworkImageNode *avatarNode;
|
|
@property (strong, nonatomic) ASNetworkImageNode *mediaNode;
|
|
@property (strong, nonatomic) LikesNode *likesNode;
|
|
@property (strong, nonatomic) CommentsNode *commentsNode;
|
|
@property (strong, nonatomic) ASImageNode *optionsNode;
|
|
|
|
@end
|
|
|
|
@implementation PostNode
|
|
|
|
- (instancetype)initWithPost:(Post *)post {
|
|
|
|
self = [super init];
|
|
if (self) {
|
|
_post = post;
|
|
|
|
// Name node
|
|
_nameNode = [[ASTextNode alloc] init];
|
|
_nameNode.attributedString = [[NSAttributedString alloc] initWithString:_post.name attributes:[TextStyles nameStyle]];
|
|
_nameNode.maximumNumberOfLines = 1;
|
|
[self addSubnode:_nameNode];
|
|
|
|
// Username node
|
|
_usernameNode = [[ASTextNode alloc] init];
|
|
_usernameNode.attributedString = [[NSAttributedString alloc] initWithString:_post.username attributes:[TextStyles usernameStyle]];
|
|
_usernameNode.flexShrink = YES; //if name and username don't fit to cell width, allow username shrink
|
|
_usernameNode.truncationMode = NSLineBreakByTruncatingTail;
|
|
_usernameNode.maximumNumberOfLines = 1;
|
|
[self addSubnode:_usernameNode];
|
|
|
|
// Time node
|
|
_timeNode = [[ASTextNode alloc] init];
|
|
_timeNode.attributedString = [[NSAttributedString alloc] initWithString:_post.time attributes:[TextStyles timeStyle]];
|
|
[self addSubnode:_timeNode];
|
|
|
|
// Post node
|
|
_postNode = [[ASTextNode alloc] init];
|
|
|
|
// Processing URLs in post
|
|
NSString *kLinkAttributeName = @"TextLinkAttributeName";
|
|
|
|
if (![_post.post isEqualToString:@""]) {
|
|
|
|
NSMutableAttributedString *attrString = [[NSMutableAttributedString alloc] initWithString:_post.post attributes:[TextStyles postStyle]];
|
|
|
|
NSDataDetector *urlDetector = [NSDataDetector dataDetectorWithTypes:NSTextCheckingTypeLink error:nil];
|
|
|
|
[urlDetector enumerateMatchesInString:attrString.string options:kNilOptions range:NSMakeRange(0, attrString.string.length) usingBlock:^(NSTextCheckingResult *result, NSMatchingFlags flags, BOOL *stop){
|
|
|
|
if (result.resultType == NSTextCheckingTypeLink) {
|
|
|
|
NSMutableDictionary *linkAttributes = [[NSMutableDictionary alloc] initWithDictionary:[TextStyles postLinkStyle]];
|
|
linkAttributes[kLinkAttributeName] = [NSURL URLWithString:result.URL.absoluteString];
|
|
|
|
[attrString addAttributes:linkAttributes range:result.range];
|
|
|
|
}
|
|
|
|
}];
|
|
|
|
// Configure node to support tappable links
|
|
_postNode.delegate = self;
|
|
_postNode.userInteractionEnabled = YES;
|
|
_postNode.linkAttributeNames = @[ kLinkAttributeName ];
|
|
_postNode.attributedString = attrString;
|
|
_postNode.passthroughNonlinkTouches = YES; // passes touches through when they aren't on a link
|
|
|
|
}
|
|
|
|
[self addSubnode:_postNode];
|
|
|
|
|
|
// Media
|
|
if (![_post.media isEqualToString:@""]) {
|
|
|
|
_mediaNode = [[ASNetworkImageNode alloc] init];
|
|
_mediaNode.backgroundColor = ASDisplayNodeDefaultPlaceholderColor();
|
|
_mediaNode.cornerRadius = 4.0;
|
|
_mediaNode.URL = [NSURL URLWithString:_post.media];
|
|
_mediaNode.delegate = self;
|
|
_mediaNode.imageModificationBlock = ^UIImage *(UIImage *image) {
|
|
|
|
UIImage *modifiedImage;
|
|
CGRect rect = CGRectMake(0, 0, image.size.width, image.size.height);
|
|
|
|
UIGraphicsBeginImageContextWithOptions(image.size, false, [[UIScreen mainScreen] scale]);
|
|
|
|
[[UIBezierPath bezierPathWithRoundedRect:rect cornerRadius:8.0] addClip];
|
|
[image drawInRect:rect];
|
|
modifiedImage = UIGraphicsGetImageFromCurrentImageContext();
|
|
|
|
UIGraphicsEndImageContext();
|
|
|
|
return modifiedImage;
|
|
|
|
};
|
|
[self addSubnode:_mediaNode];
|
|
}
|
|
|
|
// User pic
|
|
_avatarNode = [[ASNetworkImageNode alloc] init];
|
|
_avatarNode.backgroundColor = ASDisplayNodeDefaultPlaceholderColor();
|
|
_avatarNode.preferredFrameSize = CGSizeMake(44, 44);
|
|
_avatarNode.cornerRadius = 22.0;
|
|
_avatarNode.URL = [NSURL URLWithString:_post.photo];
|
|
_avatarNode.imageModificationBlock = ^UIImage *(UIImage *image) {
|
|
|
|
UIImage *modifiedImage;
|
|
CGRect rect = CGRectMake(0, 0, image.size.width, image.size.height);
|
|
|
|
UIGraphicsBeginImageContextWithOptions(image.size, false, [[UIScreen mainScreen] scale]);
|
|
|
|
[[UIBezierPath bezierPathWithRoundedRect:rect cornerRadius:44.0] addClip];
|
|
[image drawInRect:rect];
|
|
modifiedImage = UIGraphicsGetImageFromCurrentImageContext();
|
|
|
|
UIGraphicsEndImageContext();
|
|
|
|
return modifiedImage;
|
|
|
|
};
|
|
[self addSubnode:_avatarNode];
|
|
|
|
// Hairline cell separator
|
|
_divider = [[ASDisplayNode alloc] init];
|
|
_divider.backgroundColor = [UIColor lightGrayColor];
|
|
[self addSubnode:_divider];
|
|
|
|
// Via
|
|
if (_post.via != 0) {
|
|
_viaNode = [[ASImageNode alloc] init];
|
|
_viaNode.image = (_post.via == 1) ? [UIImage imageNamed:@"icon_ios.png"] : [UIImage imageNamed:@"icon_android.png"];
|
|
[self addSubnode:_viaNode];
|
|
}
|
|
|
|
// Bottom controls
|
|
_likesNode = [[LikesNode alloc] initWithLikesCount:_post.likes];
|
|
[self addSubnode:_likesNode];
|
|
|
|
_commentsNode = [[CommentsNode alloc] initWithCommentsCount:_post.comments];
|
|
[self addSubnode:_commentsNode];
|
|
|
|
_optionsNode = [[ASImageNode alloc] init];
|
|
_optionsNode.image = [UIImage imageNamed:@"icon_more"];
|
|
[self addSubnode:_optionsNode];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)didLoad
|
|
{
|
|
// enable highlighting now that self.layer has loaded -- see ASHighlightOverlayLayer.h
|
|
self.layer.as_allowsHighlightDrawing = YES;
|
|
|
|
[super didLoad];
|
|
}
|
|
|
|
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize {
|
|
|
|
// Flexible spacer between username and time
|
|
ASLayoutSpec *spacer = [[ASLayoutSpec alloc] init];
|
|
spacer.flexGrow = YES;
|
|
|
|
// Horizontal stack for name, username, via icon and time
|
|
NSMutableArray *layoutSpecChildren = [@[_nameNode, _usernameNode, spacer] mutableCopy];
|
|
if (_post.via != 0) {
|
|
[layoutSpecChildren addObject:_viaNode];
|
|
}
|
|
[layoutSpecChildren addObject:_timeNode];
|
|
|
|
ASStackLayoutSpec *nameStack = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal spacing:5.0 justifyContent:ASStackLayoutJustifyContentStart alignItems:ASStackLayoutAlignItemsCenter children:layoutSpecChildren];
|
|
nameStack.alignSelf = ASStackLayoutAlignSelfStretch;
|
|
|
|
// bottom controls horizontal stack
|
|
ASStackLayoutSpec *controlsStack = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal spacing:10 justifyContent:ASStackLayoutJustifyContentStart alignItems:ASStackLayoutAlignItemsCenter children:@[_likesNode, _commentsNode, _optionsNode]];
|
|
|
|
// Add more gaps for control line
|
|
controlsStack.spacingAfter = 3.0;
|
|
controlsStack.spacingBefore = 3.0;
|
|
|
|
NSMutableArray *mainStackContent = [[NSMutableArray alloc] init];
|
|
[mainStackContent addObject:nameStack];
|
|
[mainStackContent addObject:_postNode];
|
|
|
|
if (![_post.media isEqualToString:@""]) {
|
|
CGFloat imageRatio = (_mediaNode.image != nil ? _mediaNode.image.size.height / _mediaNode.image.size.width : 0.5);
|
|
ASRatioLayoutSpec *imagePlace = [ASRatioLayoutSpec ratioLayoutSpecWithRatio:imageRatio child:_mediaNode];
|
|
imagePlace.spacingAfter = 3.0;
|
|
imagePlace.spacingBefore = 3.0;
|
|
|
|
[mainStackContent addObject:imagePlace];
|
|
|
|
}
|
|
[mainStackContent addObject:controlsStack];
|
|
|
|
// Vertical spec of cell main content
|
|
ASStackLayoutSpec *contentSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionVertical spacing:8.0 justifyContent:ASStackLayoutJustifyContentStart alignItems:ASStackLayoutAlignItemsStart children:mainStackContent];
|
|
contentSpec.alignItems = ASStackLayoutAlignSelfStretch;
|
|
contentSpec.flexShrink = YES;
|
|
|
|
// Horizontal spec for avatar
|
|
ASStackLayoutSpec *avatarContentSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal spacing:8.0 justifyContent:ASStackLayoutJustifyContentStart alignItems:ASStackLayoutAlignItemsStart children:@[_avatarNode, contentSpec]];
|
|
|
|
return [ASInsetLayoutSpec insetLayoutSpecWithInsets:UIEdgeInsetsMake(10, 10, 10, 10) child:avatarContentSpec];
|
|
|
|
}
|
|
|
|
- (void)layout
|
|
{
|
|
[super layout];
|
|
|
|
// Manually layout the divider.
|
|
CGFloat pixelHeight = 1.0f / [[UIScreen mainScreen] scale];
|
|
_divider.frame = CGRectMake(0.0f, 0.0f, self.calculatedSize.width, pixelHeight);
|
|
}
|
|
|
|
#pragma mark - ASTextNodeDelegate methods.
|
|
|
|
- (BOOL)textNode:(ASTextNode *)richTextNode shouldHighlightLinkAttribute:(NSString *)attribute value:(id)value atPoint:(CGPoint)point
|
|
{
|
|
// Opt into link highlighting -- tap and hold the link to try it! must enable highlighting on a layer, see -didLoad
|
|
return YES;
|
|
}
|
|
|
|
- (void)textNode:(ASTextNode *)richTextNode tappedLinkAttribute:(NSString *)attribute value:(NSURL *)URL atPoint:(CGPoint)point textRange:(NSRange)textRange
|
|
{
|
|
// The node tapped a link, open it
|
|
[[UIApplication sharedApplication] openURL:URL];
|
|
}
|
|
|
|
#pragma mark - ASNetworkImageNodeDelegate methods.
|
|
|
|
- (void)imageNode:(ASNetworkImageNode *)imageNode didLoadImage:(UIImage *)image
|
|
{
|
|
[self setNeedsLayout];
|
|
}
|
|
|
|
@end
|