161 lines
4.9 KiB
Objective-C
161 lines
4.9 KiB
Objective-C
//
|
|
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
|
|
//
|
|
|
|
#import "TSPhotoAdapter.h"
|
|
#import "AttachmentUploadView.h"
|
|
#import "JSQMediaItem+OWS.h"
|
|
#import "TSAttachmentStream.h"
|
|
#import <JSQMessagesViewController/JSQMessagesMediaViewBubbleImageMasker.h>
|
|
#import <MobileCoreServices/MobileCoreServices.h>
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
@interface TSPhotoAdapter ()
|
|
|
|
@property (nonatomic, nullable) UIImageView *cachedImageView;
|
|
@property (nonatomic, nullable) AttachmentUploadView *attachmentUploadView;
|
|
@property (nonatomic) BOOL incoming;
|
|
@property (nonatomic, nullable, weak) id lastCell;
|
|
|
|
@end
|
|
|
|
#pragma mark -
|
|
|
|
@implementation TSPhotoAdapter
|
|
|
|
- (instancetype)initWithAttachment:(TSAttachmentStream *)attachment incoming:(BOOL)incoming
|
|
{
|
|
self = [super initWithImage:attachment.image];
|
|
|
|
if (!self) {
|
|
return self;
|
|
}
|
|
|
|
_cachedImageView = nil;
|
|
_attachment = attachment;
|
|
_attachmentId = attachment.uniqueId;
|
|
_incoming = incoming;
|
|
|
|
return self;
|
|
}
|
|
|
|
- (void)clearAllViews
|
|
{
|
|
[_cachedImageView removeFromSuperview];
|
|
_cachedImageView = nil;
|
|
_attachmentUploadView = nil;
|
|
}
|
|
|
|
- (void)clearCachedMediaViews
|
|
{
|
|
[super clearCachedMediaViews];
|
|
[self clearAllViews];
|
|
}
|
|
|
|
- (void)setAppliesMediaViewMaskAsOutgoing:(BOOL)appliesMediaViewMaskAsOutgoing {
|
|
[super setAppliesMediaViewMaskAsOutgoing:appliesMediaViewMaskAsOutgoing];
|
|
[self clearAllViews];
|
|
}
|
|
|
|
#pragma mark - JSQMessageMediaData protocol
|
|
|
|
- (UIView *)mediaView {
|
|
if (self.image == nil) {
|
|
return nil;
|
|
}
|
|
|
|
if (self.cachedImageView == nil) {
|
|
CGSize size = [self mediaViewDisplaySize];
|
|
UIImageView *imageView = [[UIImageView alloc] initWithImage:self.image];
|
|
imageView.contentMode = UIViewContentModeScaleAspectFill;
|
|
imageView.frame = CGRectMake(0.0f, 0.0f, size.width, size.height);
|
|
imageView.clipsToBounds = YES;
|
|
// Use trilinear filters for better scaling quality at
|
|
// some performance cost.
|
|
imageView.layer.minificationFilter = kCAFilterTrilinear;
|
|
imageView.layer.magnificationFilter = kCAFilterTrilinear;
|
|
[JSQMessagesMediaViewBubbleImageMasker applyBubbleImageMaskToMediaView:imageView
|
|
isOutgoing:self.appliesMediaViewMaskAsOutgoing];
|
|
self.cachedImageView = imageView;
|
|
|
|
if (!self.incoming) {
|
|
self.attachmentUploadView = [[AttachmentUploadView alloc] initWithAttachment:self.attachment
|
|
superview:imageView
|
|
attachmentStateCallback:nil];
|
|
}
|
|
}
|
|
|
|
return self.cachedImageView;
|
|
}
|
|
|
|
- (CGSize)mediaViewDisplaySize {
|
|
return [self ows_adjustBubbleSize:[super mediaViewDisplaySize] forImage:self.image];
|
|
}
|
|
|
|
#pragma mark - OWSMessageEditing Protocol
|
|
|
|
- (BOOL)canPerformEditingAction:(SEL)action
|
|
{
|
|
return (action == @selector(copy:) || action == NSSelectorFromString(@"save:"));
|
|
}
|
|
|
|
- (void)performEditingAction:(SEL)action
|
|
{
|
|
NSString *actionString = NSStringFromSelector(action);
|
|
if (!self.image) {
|
|
OWSAssert(NO);
|
|
DDLogWarn(@"Refusing to perform '%@' action with nil image for %@: attachmentId=%@. (corrupted attachment?)",
|
|
actionString,
|
|
self.class,
|
|
self.attachmentId);
|
|
return;
|
|
}
|
|
|
|
if (action == @selector(copy:)) {
|
|
// We should always copy to the pasteboard as data, not an UIImage.
|
|
// The pasteboard should has as specific as UTI type as possible and
|
|
// data support should be far more general than UIImage support.
|
|
OWSAssert(self.attachment.filePath.length > 0);
|
|
NSString *fileExtension = [self.attachment.filePath pathExtension];
|
|
NSArray *utiTypes = (__bridge_transfer NSArray *)UTTypeCreateAllIdentifiersForTag(
|
|
kUTTagClassFilenameExtension, (__bridge CFStringRef)fileExtension, (CFStringRef) @"public.image");
|
|
NSString *utiType = (NSString *)kUTTypeImage;
|
|
OWSAssert(utiTypes.count > 0);
|
|
if (utiTypes.count > 0) {
|
|
utiType = utiTypes[0];
|
|
}
|
|
|
|
NSData *data = [NSData dataWithContentsOfURL:self.attachment.mediaURL];
|
|
[UIPasteboard.generalPasteboard setData:data forPasteboardType:utiType];
|
|
return;
|
|
} else if (action == NSSelectorFromString(@"save:")) {
|
|
UIImageWriteToSavedPhotosAlbum(self.image, nil, nil, nil);
|
|
return;
|
|
}
|
|
|
|
// Shouldn't get here, as only supported actions should be exposed via canPerformEditingAction
|
|
DDLogError(@"'%@' action unsupported for %@: attachmentId=%@", actionString, self.class, self.attachmentId);
|
|
OWSAssert(NO);
|
|
}
|
|
|
|
#pragma mark - OWSMessageMediaAdapter
|
|
|
|
- (void)setCellVisible:(BOOL)isVisible
|
|
{
|
|
// Ignore.
|
|
}
|
|
|
|
- (void)clearCachedMediaViewsIfLastCell:(id)cell
|
|
{
|
|
OWSAssert(cell);
|
|
|
|
if (cell == self.lastCell) {
|
|
[self clearCachedMediaViews];
|
|
}
|
|
}
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|