com.cerema.cloud2.ui.dialog.ShareLinkToDialog.java Source code

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Here is the source code for com.cerema.cloud2.ui.dialog.ShareLinkToDialog.java

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/**
 *   ownCloud Android client application
 *
 *   @author David A. Velasco
 *   Copyright (C) 2015 ownCloud Inc.
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2,
 *   as published by the Free Software Foundation.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package com.cerema.cloud2.ui.dialog;

import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import android.support.v7.app.AlertDialog;
import android.app.Dialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.cerema.cloud2.R;
import com.cerema.cloud2.lib.common.utils.Log_OC;
import com.cerema.cloud2.ui.activity.CopyToClipboardActivity;

/**
 * Dialog showing a list activities able to resolve a given Intent, 
 * filtering out the activities matching give package names.
 */
public class ShareLinkToDialog extends DialogFragment {

    private final static String TAG = ShareLinkToDialog.class.getSimpleName();
    private final static String ARG_INTENT = ShareLinkToDialog.class.getSimpleName() + ".ARG_INTENT";
    private final static String ARG_PACKAGES_TO_EXCLUDE = ShareLinkToDialog.class.getSimpleName()
            + ".ARG_PACKAGES_TO_EXCLUDE";

    private ActivityAdapter mAdapter;
    private Intent mIntent;

    public static ShareLinkToDialog newInstance(Intent intent, String[] packagesToExclude) {
        ShareLinkToDialog f = new ShareLinkToDialog();
        Bundle args = new Bundle();
        args.putParcelable(ARG_INTENT, intent);
        args.putStringArray(ARG_PACKAGES_TO_EXCLUDE, packagesToExclude);
        f.setArguments(args);
        return f;
    }

    public ShareLinkToDialog() {
        super();
        Log_OC.d(TAG, "constructor");
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        mIntent = getArguments().getParcelable(ARG_INTENT);
        String[] packagesToExclude = getArguments().getStringArray(ARG_PACKAGES_TO_EXCLUDE);
        List<String> packagesToExcludeList = Arrays
                .asList(packagesToExclude != null ? packagesToExclude : new String[0]);

        PackageManager pm = getActivity().getPackageManager();
        List<ResolveInfo> activities = pm.queryIntentActivities(mIntent, PackageManager.MATCH_DEFAULT_ONLY);
        Iterator<ResolveInfo> it = activities.iterator();
        ResolveInfo resolveInfo;
        while (it.hasNext()) {
            resolveInfo = it.next();
            if (packagesToExcludeList.contains(resolveInfo.activityInfo.packageName.toLowerCase())) {
                it.remove();
            }
        }

        boolean sendAction = mIntent.getBooleanExtra(Intent.ACTION_SEND, false);

        if (!sendAction) {
            // add activity for copy to clipboard
            Intent copyToClipboardIntent = new Intent(getActivity(), CopyToClipboardActivity.class);
            List<ResolveInfo> copyToClipboard = pm.queryIntentActivities(copyToClipboardIntent, 0);
            if (!copyToClipboard.isEmpty()) {
                activities.add(copyToClipboard.get(0));
            }
        }

        Collections.sort(activities, new ResolveInfo.DisplayNameComparator(pm));
        mAdapter = new ActivityAdapter(getActivity(), pm, activities);

        return createSelector(sendAction);

    }

    private AlertDialog createSelector(final boolean sendAction) {

        int titleId;
        if (sendAction) {
            titleId = R.string.activity_chooser_send_file_title;
        } else {
            titleId = R.string.activity_chooser_title;
        }

        return new AlertDialog.Builder(getActivity()).setTitle(titleId)
                .setAdapter(mAdapter, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        // Add the information of the chosen activity to the intent to send 
                        ResolveInfo chosen = mAdapter.getItem(which);
                        ActivityInfo actInfo = chosen.activityInfo;
                        ComponentName name = new ComponentName(actInfo.applicationInfo.packageName, actInfo.name);
                        mIntent.setComponent(name);

                        // Send the file
                        getActivity().startActivity(mIntent);
                    }
                }).create();
    }

    class ActivityAdapter extends ArrayAdapter<ResolveInfo> {

        private PackageManager mPackageManager;

        ActivityAdapter(Context context, PackageManager pm, List<ResolveInfo> apps) {
            super(context, R.layout.activity_row, apps);
            this.mPackageManager = pm;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            if (convertView == null) {
                convertView = newView(parent);
            }
            bindView(position, convertView);
            return convertView;
        }

        private View newView(ViewGroup parent) {
            return (((LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE))
                    .inflate(R.layout.activity_row, parent, false));
        }

        private void bindView(int position, View row) {
            TextView label = (TextView) row.findViewById(R.id.title);
            label.setText(getItem(position).loadLabel(mPackageManager));
            ImageView icon = (ImageView) row.findViewById(R.id.icon);
            icon.setImageDrawable(getItem(position).loadIcon(mPackageManager));
        }
    }

}