@Override
protected List<Upload> doInBackground(List<Uri>... params) {
if (params != null && params[0] != null && !params[0].isEmpty()) {
Activity activity = mFragment.get().getActivity();
ContentResolver resolver = activity.getContentResolver();
photoUris = params[0];
List<Upload> uploads = new ArrayList<>(photoUris.size());
boolean hasReadPermission =
PermissionUtils.hasPermission(activity, Manifest.permission.READ_EXTERNAL_STORAGE);
for (Uri uri : photoUris) {
try {
// Check if the URI is a file as we will need read permissions for it
if (!hasReadPermission && "file".equals(uri.getScheme())) {
LogUtil.v("DecodeImageTask", "Received a File URI and don't have permissions");
needsPermission = true;
return null;
}
File file = FileUtil.createFile(uri, resolver);
if (FileUtil.isFileValid(file)) uploads.add(new Upload(file.getAbsolutePath()));
} catch (Throwable ex) {
LogUtil.e("DecodeImageTask", "Unable to decode image", ex);
}
}
return uploads;
}
return null;
}
/**
* Checks if the needed permissions are available
*
* @return If the permissions are available. If false is returned, the necessary prompts will be
* shown
*/
private boolean checkWritePermissions() {
@PermissionUtils.PermissionLevel
int permissionLevel =
PermissionUtils.getPermissionLevel(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
switch (permissionLevel) {
case PermissionUtils.PERMISSION_AVAILABLE:
LogUtil.v(TAG, "Permissions available");
return true;
case PermissionUtils.PERMISSION_DENIED:
new AlertDialog.Builder(getActivity(), app.getImgurTheme().getAlertDialogTheme())
.setTitle(R.string.permission_title)
.setMessage(R.string.permission_rationale_upload)
.setNegativeButton(
R.string.cancel,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Snackbar.make(mMultiView, R.string.permission_denied, Snackbar.LENGTH_LONG)
.show();
}
})
.setPositiveButton(
R.string.okay,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
ActivityCompat.requestPermissions(
getActivity(),
new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE},
RequestCodes.REQUEST_PERMISSION_WRITE);
}
})
.setOnCancelListener(
new DialogInterface.OnCancelListener() {
@Override
public void onCancel(DialogInterface dialogInterface) {
Snackbar.make(mMultiView, R.string.permission_denied, Snackbar.LENGTH_LONG)
.show();
}
})
.show();
break;
case PermissionUtils.PERMISSION_NEVER_ASKED:
default:
LogUtil.v(TAG, "Prompting for permissions");
ActivityCompat.requestPermissions(
getActivity(),
new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE},
RequestCodes.REQUEST_PERMISSION_WRITE);
break;
}
return false;
}
@Override
public void onRequestPermissionsResult(
int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
case RequestCodes.REQUEST_PERMISSION_WRITE:
if (PermissionUtils.verifyPermissions(grantResults)) {
startCamera();
} else {
Snackbar.make(mMultiView, R.string.permission_denied, Snackbar.LENGTH_LONG).show();
}
break;
case RequestCodes.REQUEST_PERMISSION_READ:
if (PermissionUtils.verifyPermissions(grantResults)) {
if (mPhotoUris != null) new DecodeImagesTask(this).execute(mPhotoUris);
} else {
Snackbar.make(mMultiView, R.string.permission_denied, Snackbar.LENGTH_LONG).show();
}
break;
}
}
private void onNeedsReadPermission(List<Uri> photoUris) {
mMultiView.setViewState(
mAdapter != null && !mAdapter.isEmpty()
? MultiStateView.VIEW_STATE_CONTENT
: MultiStateView.VIEW_STATE_EMPTY);
mPhotoUris = photoUris;
int level = PermissionUtils.getPermissionLevel(this, Manifest.permission.READ_EXTERNAL_STORAGE);
switch (level) {
// Should never have gotten here if its available
case PermissionUtils.PERMISSION_AVAILABLE:
new DecodeImagesTask(this).doInBackground(mPhotoUris);
break;
case PermissionUtils.PERMISSION_DENIED:
int uriSize = photoUris != null ? photoUris.size() : 0;
new AlertDialog.Builder(getActivity(), theme.getAlertDialogTheme())
.setTitle(R.string.permission_title)
.setMessage(
getResources()
.getQuantityString(R.plurals.permission_rational_file_access, uriSize, uriSize))
.setNegativeButton(R.string.cancel, null)
.setPositiveButton(
R.string.okay,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
ActivityCompat.requestPermissions(
getActivity(),
new String[] {Manifest.permission.READ_EXTERNAL_STORAGE},
RequestCodes.REQUEST_PERMISSION_READ);
}
})
.show();
break;
case PermissionUtils.PERMISSION_NEVER_ASKED:
ActivityCompat.requestPermissions(
getActivity(),
new String[] {Manifest.permission.READ_EXTERNAL_STORAGE},
RequestCodes.REQUEST_PERMISSION_READ);
break;
}
}