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Reverse Grid View #44

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Reverse Grid View #44

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4459f2f
Merge branch 'guillermomuntaner/master'
tnev Mar 27, 2016
559e703
Reverse grid view
tnev Mar 27, 2016
c1fbe86
Fetch the most recent asset for thumbnail
tnev Mar 27, 2016
4ff1f7b
Fetch the correct 2nd and 3rd thumbnail
tnev Apr 22, 2016
8e671ca
Scroll appropriately when photo library is changed
tnev Apr 23, 2016
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11 changes: 6 additions & 5 deletions GMImagePicker/GMAlbumsViewController.m
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Original file line number Diff line number Diff line change
Expand Up @@ -144,7 +144,7 @@ -(void)updateFetchResults
{
PHFetchOptions *options = [[PHFetchOptions alloc] init];
options.predicate = [NSPredicate predicateWithFormat:@"mediaType in %@", self.picker.mediaTypes];
options.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:NO]];
options.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:YES]];
PHFetchResult *assetsFetchResult = [PHAsset fetchAssetsWithOptions:options];
[allFetchResultArray addObject:assetsFetchResult];
[allFetchResultLabel addObject:NSLocalizedStringFromTableInBundle(@"picker.table.all-photos-label", @"GMImagePicker", [NSBundle bundleForClass:GMImagePickerController.class], @"All photos")];
Expand All @@ -159,6 +159,7 @@ -(void)updateFetchResults
{
PHFetchOptions *options = [[PHFetchOptions alloc] init];
options.predicate = [NSPredicate predicateWithFormat:@"mediaType in %@", self.picker.mediaTypes];
options.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:YES]];
PHAssetCollection *assetCollection = (PHAssetCollection *)collection;

//Albums collections are allways PHAssetCollectionType=1 & PHAssetCollectionSubtype=2
Expand All @@ -184,7 +185,7 @@ -(void)updateFetchResults
{
PHFetchOptions *options = [[PHFetchOptions alloc] init];
options.predicate = [NSPredicate predicateWithFormat:@"mediaType in %@", self.picker.mediaTypes];
options.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:NO]];
options.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:YES]];

PHFetchResult *assetsFetchResult = [PHAsset fetchAssetsInAssetCollection:assetCollection options:options];
if(assetsFetchResult.count>0)
Expand Down Expand Up @@ -270,7 +271,7 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N

//Compute the thumbnail pixel size:
CGSize tableCellThumbnailSize1 = CGSizeMake(kAlbumThumbnailSize1.width*scale, kAlbumThumbnailSize1.height*scale);
PHAsset *asset = assetsFetchResult[0];
PHAsset *asset = assetsFetchResult[[assetsFetchResult count] - 1];
[cell setVideoLayout:(asset.mediaType==PHAssetMediaTypeVideo)];
[self.imageManager requestImageForAsset:asset
targetSize:tableCellThumbnailSize1
Expand All @@ -287,7 +288,7 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
if ([assetsFetchResult count] > 1) {
//Compute the thumbnail pixel size:
CGSize tableCellThumbnailSize2 = CGSizeMake(kAlbumThumbnailSize2.width*scale, kAlbumThumbnailSize2.height*scale);
PHAsset *asset = assetsFetchResult[1];
PHAsset *asset = assetsFetchResult[[assetsFetchResult count] - 2];
[self.imageManager requestImageForAsset:asset
targetSize:tableCellThumbnailSize2
contentMode:PHImageContentModeAspectFill
Expand All @@ -303,7 +304,7 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N

if ([assetsFetchResult count] > 2) {
CGSize tableCellThumbnailSize3 = CGSizeMake(kAlbumThumbnailSize3.width*scale, kAlbumThumbnailSize3.height*scale);
PHAsset *asset = assetsFetchResult[2];
PHAsset *asset = assetsFetchResult[[assetsFetchResult count] - 3];
[self.imageManager requestImageForAsset:asset
targetSize:tableCellThumbnailSize3
contentMode:PHImageContentModeAspectFill
Expand Down
11 changes: 10 additions & 1 deletion GMImagePicker/GMGridViewController.m
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Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,11 @@ - (void)viewWillAppear:(BOOL)animated

[self setupButtons];
[self setupToolbar];

[self.collectionView setNeedsLayout];
[self.collectionView layoutIfNeeded];

[self.collectionView setContentOffset:CGPointMake(0, [[self.collectionView collectionViewLayout] collectionViewContentSize].height)];
}

- (void)viewDidAppear:(BOOL)animated
Expand Down Expand Up @@ -495,7 +500,11 @@ - (void)photoLibraryDidChange:(PHChange *)changeInstance
if ([changedIndexes count]) {
[collectionView reloadItemsAtIndexPaths:[changedIndexes aapl_indexPathsFromIndexesWithSection:0]];
}
} completion:NULL];
} completion:^(BOOL finished) {
NSIndexSet *insertedIndexes = [collectionChanges insertedIndexes];
NSIndexPath *lastPath = [insertedIndexes aapl_indexPathsFromIndexesWithSection:0].lastObject;
[self.collectionView scrollToItemAtIndexPath:lastPath atScrollPosition:UICollectionViewScrollPositionBottom animated:true];
}];
}

[self resetCachedAssets];
Expand Down