mirror of
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127 lines
4.4 KiB
Objective-C
127 lines
4.4 KiB
Objective-C
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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#import "TSAnimatedAdapter.h"
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#import "AttachmentUploadView.h"
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#import "FLAnimatedImage.h"
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#import "JSQMediaItem+OWS.h"
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#import "TSAttachmentStream.h"
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#import <AssetsLibrary/AssetsLibrary.h>
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#import <JSQMessagesViewController/JSQMessagesMediaViewBubbleImageMasker.h>
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#import <MobileCoreServices/MobileCoreServices.h>
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@interface TSAnimatedAdapter ()
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@property (nonatomic) UIImageView *cachedImageView;
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@property (nonatomic) UIImage *image;
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@property (nonatomic) TSAttachmentStream *attachment;
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@property (nonatomic) AttachmentUploadView *attachmentUploadView;
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@property (nonatomic) BOOL incoming;
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@end
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@implementation TSAnimatedAdapter
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- (instancetype)initWithAttachment:(TSAttachmentStream *)attachment incoming:(BOOL)incoming
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{
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self = [super init];
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if (self) {
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_cachedImageView = nil;
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_attachment = attachment;
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_attachmentId = attachment.uniqueId;
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_image = [attachment image];
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_fileData = [NSData dataWithContentsOfURL:[attachment mediaURL]];
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_incoming = incoming;
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}
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return self;
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}
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- (void)dealloc {
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_cachedImageView = nil;
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_attachment = nil;
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_attachmentId = nil;
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_image = nil;
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_fileData = nil;
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}
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- (void)clearCachedMediaViews {
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[super clearCachedMediaViews];
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_cachedImageView = nil;
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}
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- (void)setAppliesMediaViewMaskAsOutgoing:(BOOL)appliesMediaViewMaskAsOutgoing {
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[super setAppliesMediaViewMaskAsOutgoing:appliesMediaViewMaskAsOutgoing];
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_cachedImageView = nil;
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}
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#pragma mark - NSObject
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- (NSUInteger)hash
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{
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return super.hash ^ self.image.hash;
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}
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#pragma mark - JSQMessageMediaData protocol
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- (UIView *)mediaView {
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if (self.cachedImageView == nil) {
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// Use Flipboard FLAnimatedImage library to display gifs
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FLAnimatedImage *animatedGif = [FLAnimatedImage animatedImageWithGIFData:self.fileData];
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FLAnimatedImageView *imageView = [[FLAnimatedImageView alloc] init];
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imageView.animatedImage = animatedGif;
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CGSize size = [self mediaViewDisplaySize];
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imageView.frame = CGRectMake(0.0, 0.0, size.width, size.height);
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imageView.contentMode = UIViewContentModeScaleAspectFill;
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imageView.clipsToBounds = YES;
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[JSQMessagesMediaViewBubbleImageMasker applyBubbleImageMaskToMediaView:imageView
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isOutgoing:self.appliesMediaViewMaskAsOutgoing];
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self.cachedImageView = imageView;
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if (!self.incoming) {
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self.attachmentUploadView = [[AttachmentUploadView alloc] initWithAttachment:self.attachment
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superview:imageView
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attachmentStateCallback:nil];
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}
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}
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return self.cachedImageView;
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}
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- (CGSize)mediaViewDisplaySize {
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return [self ows_adjustBubbleSize:[super mediaViewDisplaySize] forImage:self.image];
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}
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#pragma mark - OWSMessageEditing Protocol
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- (BOOL)canPerformEditingAction:(SEL)action
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{
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return (action == @selector(copy:) || action == NSSelectorFromString(@"save:"));
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}
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- (void)performEditingAction:(SEL)action
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{
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if (action == @selector(copy:)) {
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UIPasteboard *pasteBoard = UIPasteboard.generalPasteboard;
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[pasteBoard setData:self.fileData forPasteboardType:(__bridge NSString *)kUTTypeGIF];
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} else if (action == NSSelectorFromString(@"save:")) {
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NSData *photoData = self.fileData;
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ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
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[library writeImageDataToSavedPhotosAlbum:photoData
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metadata:nil
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completionBlock:^(NSURL *assetURL, NSError *error) {
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if (error) {
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DDLogWarn(@"Error Saving image to photo album: %@", error);
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}
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}];
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} else {
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// Shouldn't get here, as only supported actions should be exposed via canPerformEditingAction
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NSString *actionString = NSStringFromSelector(action);
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DDLogError(@"'%@' action unsupported for %@: attachmentId=%@", actionString, [self class], self.attachmentId);
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}
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}
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@end
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