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Chat: do not display "Download" button when we image was downloaded and is being save to disk

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This commit is contained in:
Gautier Pelloux-Prayer 2015-12-03 11:11:13 +01:00
parent c43fda89ce
commit 87c3512475
2 changed files with 42 additions and 32 deletions
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68
Classes/LinphoneUI/UIChatBubblePhotoCell.m
View file

@ -92,39 +92,45 @@
BOOL fullScreenImage = NO;
assert(is_external || localImage);
if (localImage) {
// we did not load the image yet, so start doing so
if (_messageImageView.image == nil) {
NSURL *imageUrl = [NSURL URLWithString:localImage];
[_messageImageView startLoading];
__block LinphoneChatMessage *achat = self.message;
[LinphoneManager.instance.photoLibrary assetForURL:imageUrl
resultBlock:^(ALAsset *asset) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, (unsigned long)NULL),
^(void) {
if (achat == self.message) { // Avoid glitch and scrolling
UIImage *image = [[UIImage alloc] initWithCGImage:[asset thumbnail]];
dispatch_async(dispatch_get_main_queue(), ^{
[_messageImageView setImage:image];
[_messageImageView setFullImageUrl:asset];
[_messageImageView stopLoading];
_messageImageView.hidden = NO;
_imageGestureRecognizer.enabled = YES;
});
}
});
}
failureBlock:^(NSError *error) {
LOGE(@"Can't read image");
}];
}
// we are uploading the image
if (_ftd.message != nil) {
_cancelButton.hidden = NO;
_fileTransferProgress.hidden = NO;
_downloadButton.hidden = YES;
} else {
// image is being saved on device - just wait for it
if ([localImage isEqualToString:@"saving..."]) {
_cancelButton.hidden = _fileTransferProgress.hidden = _downloadButton.hidden = YES;
fullScreenImage = YES;
} else {
// we did not load the image yet, so start doing so
if (_messageImageView.image == nil) {
NSURL *imageUrl = [NSURL URLWithString:localImage];
[_messageImageView startLoading];
__block LinphoneChatMessage *achat = self.message;
[LinphoneManager.instance.photoLibrary assetForURL:imageUrl
resultBlock:^(ALAsset *asset) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, (unsigned long)NULL),
^(void) {
if (achat == self.message) { // Avoid glitch and scrolling
UIImage *image = [[UIImage alloc] initWithCGImage:[asset thumbnail]];
dispatch_async(dispatch_get_main_queue(), ^{
[_messageImageView setImage:image];
[_messageImageView setFullImageUrl:asset];
[_messageImageView stopLoading];
_messageImageView.hidden = NO;
_imageGestureRecognizer.enabled = YES;
});
}
});
}
failureBlock:^(NSError *error) {
LOGE(@"Can't read image");
}];
}
// we are uploading the image
if (_ftd.message != nil) {
_cancelButton.hidden = NO;
_fileTransferProgress.hidden = NO;
_downloadButton.hidden = YES;
} else {
_cancelButton.hidden = _fileTransferProgress.hidden = _downloadButton.hidden = YES;
fullScreenImage = YES;
}
}
// we must download the image: either it has already started (show cancel button) or not yet (show download
// button)

6
Classes/Utils/FileTransferDelegate.m
View file

@ -49,6 +49,10 @@ static void linphone_iphone_file_transfer_recv(LinphoneChatMessage *message, con
CFBridgingRetain(thiz);
[[[LinphoneManager instance] fileTransferDelegates] removeObject:thiz];
// until image is properly saved, keep a reminder on it so that the
// chat bubble is aware of the fact that image is being saved to device
[LinphoneManager setValueInMessageAppData:@"saving..." forKey:@"localimage" inMessage:message];
[[LinphoneManager instance]
.photoLibrary
writeImageToSavedPhotosAlbum:image.CGImage
@ -56,7 +60,7 @@ static void linphone_iphone_file_transfer_recv(LinphoneChatMessage *message, con
completionBlock:^(NSURL *assetURL, NSError *error) {
if (error) {
LOGE(@"Cannot save image data downloaded [%@]", [error localizedDescription]);
[LinphoneManager setValueInMessageAppData:nil forKey:@"localimage" inMessage:message];
UIAlertView *errorAlert = [[UIAlertView alloc]
initWithTitle:NSLocalizedString(@"Transfer error", nil)
message:NSLocalizedString(@"Cannot write image to photo library", nil)