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@@ -0,0 +1,159 @@
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+package com.owncloud.android.ui.dialog;
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+
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+import android.content.ComponentName;
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+import android.content.Intent;
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+import android.content.pm.ResolveInfo;
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+import android.graphics.drawable.Drawable;
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+import android.net.Uri;
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+import android.os.Bundle;
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+import android.view.LayoutInflater;
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+import android.view.View;
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+import android.view.ViewGroup;
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+
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+import com.google.android.material.bottomsheet.BottomSheetDialogFragment;
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+import com.owncloud.android.R;
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+import com.owncloud.android.datamodel.OCFile;
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+import com.owncloud.android.ui.adapter.SendButtonAdapter;
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+import com.owncloud.android.ui.components.SendButtonData;
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+
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+import java.util.ArrayList;
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+import java.util.List;
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+import java.util.Set;
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+
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+import androidx.annotation.NonNull;
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+import androidx.annotation.Nullable;
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+import androidx.recyclerview.widget.GridLayoutManager;
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+import androidx.recyclerview.widget.RecyclerView;
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+
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+/*
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+ * Nextcloud Android client application
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+ *
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+ * @author Tobias Kaminsky
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+ * Copyright (C) 2020 Tobias Kaminsky
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+ * Copyright (C) 2020 Nextcloud GmbH.
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+ *
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+ * This program is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU Affero General Public License as published by
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+ * the Free Software Foundation, either version 3 of the License, or
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+ * at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU Affero General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU Affero General Public License
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
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+ */
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+public class SendFilesDialog extends BottomSheetDialogFragment {
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+
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+ private static final String KEY_OCFILES = "KEY_OCFILES";
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+
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+ private OCFile[] files;
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+
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+ public static SendFilesDialog newInstance(Set<OCFile> files) {
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+
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+ SendFilesDialog dialogFragment = new SendFilesDialog();
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+
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+ Bundle args = new Bundle();
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+ args.putParcelableArray(KEY_OCFILES, files.toArray(new OCFile[0]));
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+ dialogFragment.setArguments(args);
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+
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+ return dialogFragment;
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+ }
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+
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+ @Override
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+ public void onCreate(@Nullable Bundle savedInstanceState) {
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+ super.onCreate(savedInstanceState);
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+ // keep the state of the fragment on configuration changes
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+ setRetainInstance(true);
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+
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+ files = (OCFile[]) requireArguments().getParcelableArray(KEY_OCFILES);
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+ }
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+
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+ @Nullable
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+ @Override
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+ public View onCreateView(@NonNull LayoutInflater inflater,
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+ @Nullable ViewGroup container,
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+ @Nullable Bundle savedInstanceState) {
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+
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+ View view = inflater.inflate(R.layout.send_files_fragment, container, false);
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+
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+ // populate send apps
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+ Intent sendIntent = createSendIntent();
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+
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+ List<SendButtonData> sendButtonDataList = setupSendButtonData(sendIntent);
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+
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+ SendButtonAdapter.ClickListener clickListener = setupSendButtonClickListener(sendIntent);
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+
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+ RecyclerView sendButtonsView = view.findViewById(R.id.send_button_recycler_view);
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+ sendButtonsView.setHasFixedSize(true);
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+ sendButtonsView.setLayoutManager(new GridLayoutManager(getActivity(), 4));
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+ sendButtonsView.setAdapter(new SendButtonAdapter(sendButtonDataList, clickListener));
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+
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+ return view;
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+ }
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+
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+ @NonNull
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+ private SendButtonAdapter.ClickListener setupSendButtonClickListener(Intent sendIntent) {
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+ return sendButtonDataData -> {
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+ String packageName = sendButtonDataData.getPackageName();
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+ String activityName = sendButtonDataData.getActivityName();
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+
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+ sendIntent.setComponent(new ComponentName(packageName, activityName));
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+ requireActivity().startActivity(Intent.createChooser(sendIntent, getString(R.string.send)));
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+
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+ dismiss();
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+ };
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+ }
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+
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+ @NonNull
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+ private List<SendButtonData> setupSendButtonData(Intent sendIntent) {
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+ List<SendButtonData> sendButtonDataList = new ArrayList<>();
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+ Drawable icon;
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+ SendButtonData sendButtonData;
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+ CharSequence label;
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+ for (ResolveInfo match : requireActivity().getPackageManager().queryIntentActivities(sendIntent, 0)) {
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+ icon = match.loadIcon(requireActivity().getPackageManager());
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+ label = match.loadLabel(requireActivity().getPackageManager());
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+ sendButtonData = new SendButtonData(icon, label,
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+ match.activityInfo.packageName,
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+ match.activityInfo.name);
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+
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+ sendButtonDataList.add(sendButtonData);
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+ }
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+ return sendButtonDataList;
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+ }
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+
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+ @NonNull
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+ private Intent createSendIntent() {
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+ Intent sendIntent = new Intent(Intent.ACTION_SEND_MULTIPLE);
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+ sendIntent.setType(getUniqueMimetype());
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+ sendIntent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, getExposedFileUris());
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+ sendIntent.putExtra(Intent.ACTION_SEND, true);
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+ return sendIntent;
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+ }
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+
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+ @Nullable
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+ private String getUniqueMimetype() {
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+ String mimetype = files[0].getMimeType();
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+
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+ for (OCFile file : files) {
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+ if (!mimetype.equals(file.getMimeType())) {
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+ return null;
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+ }
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+ }
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+
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+ return mimetype;
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+ }
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+
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+ private ArrayList<Uri> getExposedFileUris() {
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+ ArrayList<Uri> uris = new ArrayList<>();
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+
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+ for (OCFile file : files) {
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+ uris.add(file.getExposedFileUri(requireContext()));
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+ }
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+
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+ return uris;
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+ }
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+}
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tobiasKaminsky
