private async Task <OperationResult <UUIDModel> > UploadMedia(GalleryMediaModel model)
{
model.UploadState = UploadState.UploadStart;
System.IO.Stream stream = null;
FileInputStream fileInputStream = null;
try
{
var photo = new Java.IO.File(model.TempPath);
fileInputStream = new FileInputStream(photo);
stream = new StreamConverter(fileInputStream, null);
var request = new UploadMediaModel(AppSettings.User.UserInfo, stream, System.IO.Path.GetExtension(model.TempPath));
var serverResult = await Presenter.TryUploadMedia(request);
model.UploadState = UploadState.UploadEnd;
return(serverResult);
}
catch (Exception ex)
{
model.UploadState = UploadState.UploadError;
await AppSettings.Logger.Error(ex);
return(new OperationResult <UUIDModel>(new InternalException(LocalizationKeys.PhotoUploadError, ex)));
}
finally
{
fileInputStream?.Close(); // ??? change order?
stream?.Flush();
fileInputStream?.Dispose();
stream?.Dispose();
}
}
private void LoadThumbnail(GalleryMediaModel model)
{
if (_cts != null && !_cts.IsCancellationRequested)
{
_cts.Cancel();
}
_cts = new CancellationTokenSource();
var token = _cts.Token;
Task.Run(() =>
{
if (token.IsCancellationRequested)
{
return;
}
var thumbnail = MediaStore.Images.Thumbnails.GetThumbnail(Context.ContentResolver, model.Id, ThumbnailKind.MiniKind, null);
if (token.IsCancellationRequested)
{
thumbnail.Recycle();
return;
}
_handler.Post(() => SetImageBitmap(thumbnail));
}, token);
}
public async Task Bind(GalleryMediaModel model)
{
BitmapUtils.ReleaseBitmap(Drawable);
SetImageDrawable(DefaultColor);
_model = model;
_model.ModelChanged = Invalidate;
await LoadThumbnail(_model);
}
public void Update(GalleryMediaModel model)
{
BitmapUtils.ReleaseBitmap(_image.Drawable);
_image.SetImageBitmap(null);
_image.SetImageResource(Style.R245G245B245);
if (model.UploadState > UploadState.ReadyToSave)
{
var bitmap = BitmapUtils.DecodeSampledBitmapFromFile(ItemView.Context, Android.Net.Uri.Parse(model.TempPath), Style.GalleryHorizontalScreenWidth, Style.GalleryHorizontalHeight);
_image.SetImageBitmap(bitmap);
}
}
public void Bind(GalleryMediaModel model)
{
if (_model != null)
{
_model.ModelChanged -= ModelChanged;
(Drawable as BitmapDrawable)?.Bitmap?.Recycle();
SetImageDrawable(new ColorDrawable(Style.R245G245B245));
}
_model = model;
_model.ModelChanged += ModelChanged;
LoadThumbnail(_model);
}
public void HandleSharingPhoto(Intent intent)
{
var uri = (Android.Net.Uri)intent.GetParcelableExtra(SharingPhotoData);
intent.RemoveExtra(SharingPhotoData);
if (uri != null)
{
var galleryModel = new GalleryMediaModel
{
Path = BitmapUtils.GetUriRealPath(this, uri)
};
OpenNewContentFragment(new PreviewPostCreateFragment(galleryModel));
}
}
private void MultiselectBtnOnClick(object sender, EventArgs eventArgs)
{
if (!_preview.IsBitmapReady)
{
return;
}
_multiSelect = !_multiSelect;
_ratioBtn.Visibility = _multiSelect ? ViewStates.Gone : ViewStates.Visible;
_preview.UseStrictBounds = _multiSelect;
foreach (var model in _gallery)
{
model.MultySelect = _multiSelect;
model.SelectionPosition = 0;
}
GalleryMediaModel selectedItem = null;
for (var i = 0; i < _pickedItems.Count; i++)
{
if (_pickedItems[i].Selected)
{
selectedItem = _pickedItems[i];
if (_multiSelect)
{
selectedItem.Parameters = _preview.DrawableImageParameters.Copy();
continue;
}
}
_pickedItems[i].Parameters = null;
}
_pickedItems.Clear();
_prevSelected = null;
if (selectedItem == null)
{
selectedItem = _buckets[0].Equals(_selectedBucket)
? _gallery.FirstOrDefault()
: _gallery.FirstOrDefault(m => m.Bucket.Equals(_selectedBucket, StringComparison.OrdinalIgnoreCase));
}
OnItemSelected(selectedItem, 0);
_multiselectBtn.SetImageResource(_multiSelect ? Resource.Drawable.ic_multiselect_active : Resource.Drawable.ic_multiselect);
_gridAdapter.NotifyDataSetChanged();
}
private void OnItemSelected(GalleryMediaModel model)
{
if (_pickedItems.Count >= MaxPhotosAllowed && model.SelectionPosition == (int)GallerySelectionType.Multi)
{
Activity.ShowAlert(LocalizationKeys.PickedPhotosLimit);
return;
}
var selected = _pickedItems.Find(x => x.Selected && x != model);
if (selected != null)
{
selected.Selected = false;
}
if (_multiSelect)
{
if (_prevSelected != null)
{
_prevSelected.Parameters = _preview.DrawableImageParameters.Copy();
}
_prevSelected = model;
if (!_pickedItems.Contains(model))
{
_pickedItems.Add(model);
model.SelectionPosition = _pickedItems.Count;
}
else if (model.Selected)
{
_pickedItems.Remove(model);
_pickedItems.ForEach(x => x.SelectionPosition = _pickedItems.IndexOf(x) + 1);
model.Selected = false;
model.SelectionPosition = (int)GallerySelectionType.Multi;
if (_pickedItems.Count > 0)
{
OnItemSelected(_pickedItems.Last());
}
return;
}
}
else
{
_pickedItems.Clear();
_pickedItems.Add(model);
}
model.Selected = true;
_preview.SetImageUri(Uri.Parse(model.Path), model.Parameters);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
AppDomain.CurrentDomain.UnhandledException -= OnCurrentDomainOnUnhandledException;
TaskScheduler.UnobservedTaskException -= OnTaskSchedulerOnUnobservedTaskException;
AndroidEnvironment.UnhandledExceptionRaiser -= OnUnhandledExceptionRaiser;
AppDomain.CurrentDomain.UnhandledException += OnCurrentDomainOnUnhandledException;
TaskScheduler.UnobservedTaskException += OnTaskSchedulerOnUnobservedTaskException;
AndroidEnvironment.UnhandledExceptionRaiser += OnUnhandledExceptionRaiser;
GAService.Instance.InitializeGAService(this);
InitPushes();
switch (Intent.Action)
{
case Intent.ActionSend:
{
if (AppSettings.User.IsAuthenticated)
{
var uri = (Android.Net.Uri)Intent.GetParcelableExtra(Intent.ExtraStream);
var fragmentTransaction = SupportFragmentManager.BeginTransaction();
var galleryModel = new GalleryMediaModel
{
Path = BitmapUtils.GetUriRealPath(this, uri)
};
CurrentHostFragment = HostFragment.NewInstance(new PostCreateFragment(galleryModel));
fragmentTransaction.Add(Android.Resource.Id.Content, CurrentHostFragment);
fragmentTransaction.Commit();
}
else
{
StartActivity(typeof(PreSignInActivity));
}
return;
}
case Intent.ActionView:
{
var intent = new Intent(this, AppSettings.User.IsAuthenticated ? typeof(RootActivity) : typeof(GuestActivity));
intent.PutExtra(AppLinkingExtra, Intent?.Data?.Path);
StartActivity(intent);
return;
}
}
StartActivity(AppSettings.User.IsAuthenticated ? typeof(RootActivity) : typeof(GuestActivity));
}
public void Bind(GalleryMediaModel model)
{
if (_model != null)
{
_model.ModelChanged -= ModelChanged;
}
_model = model;
_model.ModelChanged += ModelChanged;
if (!string.IsNullOrEmpty(model.Thumbnail))
{
SetImageURI(Uri.Parse(model.Thumbnail));
}
else
{
SetImageBitmap(null);
}
}
private Task LoadThumbnail(GalleryMediaModel model)
{
return(Task.Run(() =>
{
var thumbnail = MediaStore.Images.Thumbnails.GetThumbnail(Context.ContentResolver, model.Id, ThumbnailKind.MiniKind, _options);
if (thumbnail == null || _model == null || model.Id != _model.Id)
{
return;
}
if (model.Orientation == 0)
{
_handler.Post(() =>
{
if (_model == null || model.Id != _model.Id)
{
return;
}
BitmapUtils.ReleaseBitmap(Drawable);
SetImageBitmap(thumbnail);
});
return;
}
var matrix = new Matrix();
matrix.PostRotate(model.Orientation);
var oriThumbnail = Bitmap.CreateBitmap(thumbnail, 0, 0, thumbnail.Width, thumbnail.Height, matrix, false);
BitmapUtils.ReleaseBitmap(thumbnail);
_handler.Post(() =>
{
if (_model == null || model.Id != _model.Id)
{
return;
}
BitmapUtils.ReleaseBitmap(Drawable);
SetImageBitmap(oriThumbnail);
});
}));
}
public void OnPictureTaken(byte[] data, Camera camera)
{
Task.Run(() =>
{
var directory = Android.OS.Environment.GetExternalStoragePublicDirectory(Android.OS.Environment.DirectoryDcim);
var photoUri = $"{directory}/{Guid.NewGuid()}.jpeg";
var stream = new Java.IO.FileOutputStream(photoUri);
stream.Write(data);
stream.Close();
var exifInterface = new ExifInterface(photoUri);
var orientation = exifInterface.GetAttributeInt(ExifInterface.TagOrientation, 0);
if (orientation != 1 && orientation != 0)
{
var bitmap = BitmapFactory.DecodeByteArray(data, 0, data.Length);
bitmap = BitmapUtils.RotateImage(bitmap, _rotationOnShutter);
var rotationStream = new System.IO.FileStream(photoUri, System.IO.FileMode.Create);
bitmap.Compress(Bitmap.CompressFormat.Jpeg, 100, rotationStream);
}
var model = new GalleryMediaModel
{
Path = photoUri
};
Activity.RunOnUiThread(() =>
{
((BaseActivity)Activity).OpenNewContentFragment(new PostEditFragment(model));
if (_progressBar != null)
{
_progressBar.Visibility = ViewStates.Gone;
_shotButton.Visibility = ViewStates.Visible;
_flashButton.Enabled = true;
_galleryButton.Enabled = true;
_revertButton.Enabled = true;
_closeButton.Enabled = true;
}
});
});
}
private void MultiselectBtnOnClick(object sender, EventArgs eventArgs)
{
_multiSelect = !_multiSelect;
_ratioBtn.Visibility = _multiSelect ? ViewStates.Gone : ViewStates.Visible;
_preview.UseStrictBounds = _multiSelect;
_gallery[_selectedBucket].ForEach(x => x.SelectionPosition = _multiSelect ? (int)GallerySelectionType.Multi : (int)GallerySelectionType.None);
GalleryMediaModel selectedItem = null;
_pickedItems.ForEach(x =>
{
if (x.Selected)
{
selectedItem = x;
}
x.Parameters = null;
});
_pickedItems.Clear();
_prevSelected = null;
OnItemSelected(selectedItem ?? _gallery[_selectedBucket][0]);
_multiselectBtn.SetImageResource(_multiSelect ? Resource.Drawable.ic_multiselect_active : Resource.Drawable.ic_multiselect);
}
private List <GalleryMediaModel> GetMediaWithThumbnails()
{
var result = new List <GalleryMediaModel>();
foreach (var tuple in _media)
{
var galleryModel = new GalleryMediaModel
{
Id = tuple.Key,
Path = "file://" + tuple.Value,
Thumbnail = _thumbnails.ContainsKey(tuple.Key) ? _thumbnails[tuple.Key] : string.Empty,
Selected = false
};
if (string.IsNullOrEmpty(galleryModel.Thumbnail))
{
GenerateThumbnail(_selectedBucket, galleryModel, _cancellationTokenSource.Token);
}
result.Add(galleryModel);
}
return(result);
}
private void InitGalery()
{
string[] columns =
{
MediaStore.Images.ImageColumns.Id,
MediaStore.Images.ImageColumns.Data,
MediaStore.Images.ImageColumns.BucketDisplayName,
MediaStore.Images.ImageColumns.Orientation
};
var orderBy = $"{MediaStore.Images.ImageColumns.DateTaken} DESC";
var cursor = Activity.ContentResolver.Query(MediaStore.Images.Media.ExternalContentUri, columns, null, null, orderBy);
if (cursor != null)
{
var count = cursor.Count;
var idColumnIndex = cursor.GetColumnIndex(MediaStore.Images.ImageColumns.Id);
var dataColumnIndex = cursor.GetColumnIndex(MediaStore.Images.ImageColumns.Data);
var oriColumnIndex = cursor.GetColumnIndex(MediaStore.Images.ImageColumns.Orientation);
var bucketDisplayName = cursor.GetColumnIndex(MediaStore.Images.ImageColumns.BucketDisplayName);
_gallery = new GalleryMediaModel[count];
for (var i = 0; i < count; i++)
{
cursor.MoveToPosition(i);
_gallery[i] = new GalleryMediaModel
{
Id = cursor.GetLong(idColumnIndex),
Path = cursor.GetString(dataColumnIndex),
Bucket = cursor.GetString(bucketDisplayName),
Orientation = cursor.GetInt(oriColumnIndex)
};
}
cursor.Close();
}
else
{
_gallery = new GalleryMediaModel[0];
}
}
private void GenerateThumbnail(string bucket, GalleryMediaModel model, CancellationToken ct) => Task.Run(() =>
{
var thumbnail = MediaStore.Images.Thumbnails.GetThumbnail(Activity.ContentResolver, long.Parse(model.Id),
ThumbnailKind.MiniKind, null);
var values = new ContentValues(4);
values.Put(MediaStore.Images.Thumbnails.Kind, (int)ThumbnailKind.MiniKind);
values.Put(MediaStore.Images.Thumbnails.ImageId, long.Parse(model.Id));
values.Put(MediaStore.Images.Thumbnails.Height, thumbnail.Height);
values.Put(MediaStore.Images.Thumbnails.Width, thumbnail.Width);
if (ct.IsCancellationRequested)
{
return;
}
var uri = Activity.ContentResolver.Insert(MediaStore.Images.Thumbnails.ExternalContentUri, values);
using (var thumbOut = Activity.ContentResolver.OpenOutputStream(uri))
{
thumbnail.Compress(Bitmap.CompressFormat.Jpeg, 100, thumbOut);
}
var cursor = MediaStore.Images.Thumbnails.QueryMiniThumbnail(Activity.ContentResolver, long.Parse(model.Id),
ThumbnailKind.MiniKind, new[] { MediaStore.Images.Thumbnails.Data });
if (cursor != null && cursor.Count > 0)
{
cursor.MoveToFirst();
var thumbUri = cursor.GetString(0);
model.Thumbnail = thumbUri;
Activity.RunOnUiThread(() =>
GridAdapter.NotifyItemChanged(_gallery[bucket].IndexOf(model)));
cursor.Close();
}
}, ct);
public void Update(GalleryMediaModel model)
{
_image.SetImageBitmap(model.PreparedBitmap);
}
public void Update(GalleryMediaModel media)
{
_media = media;
_image?.Bind(media);
}
public string CropAndSave(GalleryMediaModel model)
{
FileStream stream = null;
Bitmap sized = null;
Bitmap croped = null;
try
{
var parameters = model.Parameters;
var rotation = parameters.Rotation;
var previewBounds = parameters.PreviewBounds;
var cropBounds = parameters.CropBounds;
var options = new BitmapFactory.Options {
InJustDecodeBounds = true
};
BitmapFactory.DecodeFile(model.Path, options);
var pWidth = (int)Math.Round((previewBounds.Right - previewBounds.Left) / parameters.Scale);
var dZ = (rotation % 180 > 0 ? options.OutHeight : options.OutWidth) / (float)pWidth;
var width = (int)Math.Round((cropBounds.Right - cropBounds.Left) * dZ / parameters.Scale);
var height = (int)Math.Round((cropBounds.Bottom - cropBounds.Top) * dZ / parameters.Scale);
var x = (int)Math.Max(Math.Round(-previewBounds.Left * dZ / parameters.Scale), 0);
var y = (int)Math.Max(Math.Round(-previewBounds.Top * dZ / parameters.Scale), 0);
var sampleSize = BitmapUtils.CalculateInSampleSize(width, height, BitmapUtils.MaxImageSize, BitmapUtils.MaxImageSize);
width = width / sampleSize;
height = height / sampleSize;
x = x / sampleSize;
y = y / sampleSize;
options.InSampleSize = sampleSize;
options.InJustDecodeBounds = false;
options.InPreferQualityOverSpeed = true;
sized = BitmapFactory.DecodeFile(model.Path, options);
switch (rotation)
{
case 90:
{
var b = width;
width = height;
height = b;
b = x;
x = y;
y = sized.Height - b - height;
break;
}
case 180:
{
x = sized.Width - width - x;
y = sized.Height - height - y;
break;
}
case 270:
{
var b = width;
width = height;
height = b;
b = y;
y = x;
x = sized.Width - b - width;
break;
}
}
x = Math.Max(x, 0);
y = Math.Max(y, 0);
if (x + width > sized.Width)
{
width = sized.Width - x;
}
if (y + height > sized.Height)
{
height = sized.Height - y;
}
var matrix = new Matrix();
matrix.SetRotate(rotation);
croped = Bitmap.CreateBitmap(sized, x, y, width, height, matrix, true);
var directory = new Java.IO.File(Context.CacheDir, Constants.Steepshot);
if (!directory.Exists())
{
directory.Mkdirs();
}
var outPath = $"{directory}/{Guid.NewGuid()}.jpeg";
stream = new FileStream(outPath, FileMode.Create);
croped.Compress(Bitmap.CompressFormat.Jpeg, 99, stream);
var args = new Dictionary <string, string>
{
{ ExifInterface.TagImageLength, croped.Height.ToString() },
{ ExifInterface.TagImageWidth, croped.Width.ToString() },
{ ExifInterface.TagOrientation, "1" },
};
BitmapUtils.CopyExif(model.Path, outPath, args);
return(outPath);
}
catch (Exception ex)
{
AppSettings.Logger.Error(ex);
return(string.Empty);
}
finally
{
stream?.Dispose();
BitmapUtils.ReleaseBitmap(sized);
BitmapUtils.ReleaseBitmap(croped);
}
}
public PostCreateFragment(GalleryMediaModel media)
{
_media = new List <GalleryMediaModel> {
media
};
}
private void OnItemSelected(GalleryMediaModel model)
{
if (_multiSelect && _pickedItems.Count >= MaxPhotosAllowed && !(model.Selected || model.SelectionPosition > 0))
{
Activity.ShowAlert(LocalizationKeys.PickedPhotosLimit, ToastLength.Short);
return;
}
for (int i = 0; i < _pickedItems.Count; i++)
{
var selected = _pickedItems[i];
if (selected.Selected && selected != model)
{
selected.Selected = false;
}
}
if (_multiSelect)
{
if (_prevSelected != null)
{
_prevSelected.Parameters = _preview.DrawableImageParameters.Copy();
}
_prevSelected = model;
if (!_pickedItems.Contains(model))
{
_pickedItems.Add(model);
model.SelectionPosition = _pickedItems.Count;
}
else if (model.Selected)
{
model.Parameters = null;
model.Selected = false;
model.SelectionPosition = 0;
_prevSelected = null;
_pickedItems.Remove(model);
for (var index = 0; index < _pickedItems.Count; index++)
{
var x = _pickedItems[index];
x.SelectionPosition = index + 1;
}
GalleryMediaModel selectedItem;
if (_pickedItems.Count > 0)
{
selectedItem = _pickedItems.Last();
}
else
{
selectedItem = _buckets[0].Equals(_selectedBucket)
? _gallery.FirstOrDefault()
: _gallery.FirstOrDefault(m => m.Bucket.Equals(_selectedBucket, StringComparison.OrdinalIgnoreCase));
}
if (!_multiSelect || _pickedItems.Count > 0)
{
OnItemSelected(selectedItem);
}
return;
}
}
else
{
_pickedItems.Clear();
_pickedItems.Add(model);
}
model.Selected = true;
_preview.SetImagePath(model.Path, model.Parameters);
}
public PreviewPostCreateFragment(GalleryMediaModel media)
: base(new List <GalleryMediaModel> {
media
})
{
}
