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- // _____ _
- // |_ _| |_ _ _ ___ ___ _ __ __ _
- // | | | ' \| '_/ -_) -_) ' \/ _` |_
- // |_| |_||_|_| \___\___|_|_|_\__,_(_)
- //
- // Threema iOS Client
- // Copyright (c) 2016-2020 Threema GmbH
- //
- // This program is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Affero General Public License, version 3,
- // as published by the Free Software Foundation.
- //
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Affero General Public License for more details.
- //
- // You should have received a copy of the GNU Affero General Public License
- // along with this program. If not, see <https://www.gnu.org/licenses/>.
- #import "MediaBrowserFile.h"
- #import "ImageData.h"
- #import "FileMessagePreview.h"
- #import "AnimGifMessageLoader.h"
- #import "UIImage+ColoredImage.h"
- #import "Utils.h"
- #import "UTIConverter.h"
- @interface MediaBrowserFile ()
- @property FileMessage *fileMessage;
- @end
- @implementation MediaBrowserFile
- @synthesize underlyingImage = _underlyingImage; // synth property from protocol
- + (instancetype)fileWithFileMessage:(FileMessage *)fileMessage thumbnail:(BOOL)forThumbnail {
- MediaBrowserFile *file = [[self alloc] initWithFileMessage:fileMessage thumbnail:forThumbnail];
- return file;
- }
- - (instancetype)initWithFileMessage:(FileMessage *)fileMessage thumbnail:(BOOL)forThumbnail
- {
- self = [super init];
- if (self) {
- _fileMessage = fileMessage;
- BOOL isRenderingFileMessage = false;
- if (_fileMessage.data != nil) {
- if (_fileMessage.data.data != nil) {
- if ([_fileMessage renderFileImageMessage] == true) {
- isRenderingFileMessage = true;
- }
- }
- }
-
- if (isRenderingFileMessage == true) {
- _isUtiPreview = false;
- _underlyingImage = [[UIImage alloc] initWithData:_fileMessage.data.data];
- }
- else {
- UIImage *thumbnail = [FileMessagePreview thumbnailForFileMessage:fileMessage];
- _isUtiPreview = !fileMessage.thumbnail;
- if (fileMessage.thumbnail == nil) {
- UIImage *colorizedThumbnail = [thumbnail imageWithTint:[Colors white]];
- _underlyingImage = colorizedThumbnail;
- } else {
- if ([UTIConverter isGifMimeType:fileMessage.mimeType]) {
- thumbnail = [Utils makeThumbWithOverlayFor:thumbnail];
- }
-
- _underlyingImage = thumbnail;
- }
- }
- }
- return self;
- }
- - (BOOL)isVideo {
- if ([_fileMessage renderFileVideoMessage] == true) {
- return true;
- }
- return false;
- }
- - (UIImage *)padImage:(UIImage *)image toSize:(CGSize)size {
- UIGraphicsBeginImageContext(size);
-
- CGFloat x = (size.width - image.size.width)/2.0;
- CGFloat y = (size.height - image.size.height)/2.0;
- [image drawInRect:CGRectMake(x, y, image.size.width, image.size.height) blendMode:kCGBlendModeNormal alpha:0.8];
-
- UIImage *resultImage = UIGraphicsGetImageFromCurrentImageContext();
-
- UIGraphicsEndImageContext();
-
- return resultImage;
- }
- - (id)sourceReference {
- return _fileMessage;
- }
- #pragma mark - MWPhoto Protocol Methods
- -(BOOL)showControls {
- return YES;
- }
- -(void)handleSingleTap:(CGPoint)touchPoint {
- if (_fileMessage.data != nil) {
- if ([_fileMessage renderFileImageMessage] == true) {
- [_delegate toggleControls];
- }
- else if ([_fileMessage renderFileVideoMessage] == true) {
- [self play];
- }
- else {
- [_delegate showFile: _fileMessage];
- }
- } else {
- [self loadUnderlyingImageAndNotify];
- }
- }
- - (void)play {
- if (_delegate) {
- [_delegate playFileVideo: _fileMessage];
- }
- }
- -(BOOL)canScaleImage {
- if ([_fileMessage renderFileImageMessage] == true) {
- return true;
- }
- return NO;
- }
- -(NSURL *)urlForExportData:(NSString *)tmpFileName {
- if (_fileMessage == nil || _fileMessage.data == nil) {
- return nil;
- }
- NSURL *url = [_fileMessage tmpURL:tmpFileName];
- [_fileMessage exportDataToURL:url];
- return url;
- }
- - (UIImage *)underlyingImage {
- return _underlyingImage;
- }
- - (void)loadUnderlyingImageAndNotify {
- // loaded already
- if (_fileMessage.data != nil) {
- return;
- }
-
- // loading
- if (_fileMessage.progress != nil) {
- return;
- }
-
- [self performLoadUnderlyingImageAndNotify];
- }
- - (void)performLoadUnderlyingImageAndNotify {
- BlobMessageLoader *loader;
- if ([UTIConverter isGifMimeType:_fileMessage.mimeType]) {
- loader = [[AnimGifMessageLoader alloc] init];
- } else {
- loader = [[BlobMessageLoader alloc] init];
- }
-
- [loader startWithMessage:_fileMessage onCompletion:^(BaseMessage *message) {
- [self postCompleteNotification];
- } onError:^(NSError *error) {
- [self postCompleteNotification];
- }];
- }
- - (void)postCompleteNotification {
- [[NSNotificationCenter defaultCenter] postNotificationName:MWPHOTO_LOADING_DID_END_NOTIFICATION object:self];
- }
- - (void)unloadUnderlyingImage {
- _underlyingImage = nil;
- }
- - (void)cancelAnyLoading {
-
- }
- - (void)getVideoURL:(void (^)(NSURL *))completion {
- completion([self urlForExportData:@"video"]);
- }
- - (NSString *)accessibilityLabelForContent {
- NSString *date = [DateFormatter accessibilityDateTime:_fileMessage.remoteSentDate];
- return [NSString stringWithFormat:@"%@. %@", NSLocalizedString(@"file", nil), date];
- }
- @end
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