AppearanceFragment.java

/*
 * Kontalk Android client
 * Copyright (C) 2017 Kontalk Devteam <devteam@kontalk.org>

 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.

 * 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 org.kontalk.ui.prefs;

import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceManager;
import android.widget.Toast;

import org.kontalk.R;
import org.kontalk.util.Preferences;

import java.io.File;


/**
 * Appearance settings fragment.
 */
public class AppearanceFragment extends RootPreferenceFragment {

    private static final int REQUEST_PICK_BACKGROUND = Activity.RESULT_FIRST_USER + 1;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        addPreferencesFromResource(R.xml.preferences_appearance);

        // use custom background
        final Preference customBg = findPreference("pref_custom_background");
        customBg.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
            @Override
            public boolean onPreferenceClick(Preference preference) {
                // discard reference to custom background drawable
                Preferences.setCachedCustomBackground(null);
                return false;
            }
        });

        // set background
        final Preference setBackground = findPreference("pref_background_uri");
        setBackground.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
            @Override
            public boolean onPreferenceClick(Preference preference) {
                try {
                    final Intent i = new Intent(Intent.ACTION_GET_CONTENT);
                    i.addCategory(Intent.CATEGORY_OPENABLE);
                    i.setType("image/*");
                    startActivityForResult(i, REQUEST_PICK_BACKGROUND);
                }
                catch (ActivityNotFoundException e) {
                    Toast.makeText(getActivity(), R.string.chooser_error_no_gallery_app,
                        Toast.LENGTH_LONG).show();
                }
                return true;
            }
        });

        // set balloon theme
        final Preference balloons = findPreference("pref_balloons");
        balloons.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
            @Override
            public boolean onPreferenceChange(Preference preference, Object newValue) {
                Preferences.setCachedBalloonTheme((String) newValue);
                return true;
            }
        });

        // set balloon theme for groups
        final Preference balloonsGroups = findPreference("pref_balloons_groups");
        balloonsGroups.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
            @Override
            public boolean onPreferenceChange(Preference preference, Object newValue) {
                Preferences.setCachedBalloonGroupsTheme((String) newValue);
                return true;
            }
        });
    }

    @Override
    public void onResume() {
        super.onResume();

        ((PreferencesActivity) getActivity()).getSupportActionBar()
                .setTitle(R.string.pref_appearance_settings);
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == REQUEST_PICK_BACKGROUND) {
            if (resultCode == Activity.RESULT_OK) {
                Context ctx = getActivity();
                if (ctx != null) {
                    // invalidate any previous reference
                    Preferences.setCachedCustomBackground(null);
                    // resize and cache image
                    // TODO do this in background (might take some time)
                    try {
                        File image = Preferences.cacheConversationBackground(ctx, data.getData());
                        // save to preferences
                        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(ctx);
                        prefs.edit()
                                .putString("pref_background_uri", Uri.fromFile(image).toString())
                                .commit();
                    } catch (Exception e) {
                        Toast.makeText(ctx, R.string.err_custom_background,
                                Toast.LENGTH_LONG).show();
                    }
                }
            }
        }
        else {
            super.onActivityResult(requestCode, resultCode, data);
        }
    }
}