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session-ios
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Save and share all items in album.

This commit is contained in:
Matthew Chen 2019-01-22 16:50:49 -05:00
parent 8dc6ea0c08
commit 79000d5fbb
1 changed files with 49 additions and 32 deletions
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81
Signal/src/ViewControllers/ConversationView/ConversationViewItem.m
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@ -9,7 +9,6 @@
#import "OWSMessageHeaderView.h"
#import "OWSSystemMessageCell.h"
#import "Signal-Swift.h"
#import <AssetsLibrary/AssetsLibrary.h>
#import <SignalMessaging/OWSUnreadIndicator.h>
#import <SignalServiceKit/NSData+Image.h>
#import <SignalServiceKit/NSString+SSK.h>
@ -1020,41 +1019,59 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)
break;
}
case OWSMessageCellType_MediaAlbum: {
// TODO: Use PHPhotoLibrary.
ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
for (ConversationMediaAlbumItem *mediaAlbumItem in self.mediaAlbumItems) {
if (!mediaAlbumItem.attachmentStream) {
continue;
}
if (!mediaAlbumItem.attachmentStream.isValidVisualMedia) {
continue;
}
if (mediaAlbumItem.attachmentStream.isImage || mediaAlbumItem.attachmentStream.isAnimated) {
NSData *data = [NSData dataWithContentsOfURL:[mediaAlbumItem.attachmentStream originalMediaURL]];
if (!data) {
OWSFailDebug(@"Could not load image data");
continue;
}
[library writeImageDataToSavedPhotosAlbum:data
metadata:nil
completionBlock:^(NSURL *assetURL, NSError *error) {
if (error) {
OWSLogWarn(@"Error saving image to photo album: %@", error);
}
}];
}
if (mediaAlbumItem.attachmentStream.isVideo) {
if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(
mediaAlbumItem.attachmentStream.originalFilePath)) {
UISaveVideoAtPathToSavedPhotosAlbum(
mediaAlbumItem.attachmentStream.originalFilePath, self, nil, nil);
}
}
}
[self saveMediaAlbumItems];
break;
}
}
}
- (void)saveMediaAlbumItems
{
// We need to do these writes serially to avoid "write busy" errors
// from too many concurrent asset saves.
[self saveMediaAlbumItems:[self.mediaAlbumItems mutableCopy]];
}
- (void)saveMediaAlbumItems:(NSMutableArray<ConversationMediaAlbumItem *> *)mediaAlbumItems
{
if (mediaAlbumItems.count < 1) {
return;
}
ConversationMediaAlbumItem *mediaAlbumItem = mediaAlbumItems.firstObject;
[mediaAlbumItems removeObjectAtIndex:0];
if (!mediaAlbumItem.attachmentStream || !mediaAlbumItem.attachmentStream.isValidVisualMedia) {
// Skip this item.
} else if (mediaAlbumItem.attachmentStream.isImage || mediaAlbumItem.attachmentStream.isAnimated) {
[[PHPhotoLibrary sharedPhotoLibrary]
performChanges:^{
[PHAssetChangeRequest
creationRequestForAssetFromImageAtFileURL:mediaAlbumItem.attachmentStream.originalMediaURL];
}
completionHandler:^(BOOL success, NSError *error) {
if (error || !success) {
OWSFailDebug(@"Image save failed: %@", error);
}
[self saveMediaAlbumItems:mediaAlbumItems];
}];
return;
} else if (mediaAlbumItem.attachmentStream.isVideo) {
[[PHPhotoLibrary sharedPhotoLibrary]
performChanges:^{
[PHAssetChangeRequest
creationRequestForAssetFromVideoAtFileURL:mediaAlbumItem.attachmentStream.originalMediaURL];
}
completionHandler:^(BOOL success, NSError *error) {
if (error || !success) {
OWSFailDebug(@"Video save failed: %@", error);
}
[self saveMediaAlbumItems:mediaAlbumItems];
}];
return;
}
return [self saveMediaAlbumItems:mediaAlbumItems];
}
- (void)deleteAction
{
[self.interaction remove];