com.oasisfeng.nevo.decorators.StackDecorator.java Source code

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Here is the source code for com.oasisfeng.nevo.decorators.StackDecorator.java

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/*
 * Copyright (C) 2015 The Nevolution Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.oasisfeng.nevo.decorators;

import android.content.Context;
import android.content.pm.PackageManager;
import android.graphics.Typeface;
import android.os.RemoteException;
import android.support.v4.app.NotificationCompat;
import android.support.v4.app.NotificationCompat.Builder;
import android.support.v4.app.NotificationCompat.InboxStyle;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.style.StyleSpan;
import android.widget.RemoteViews;

import com.oasisfeng.android.os.IBundle;
import com.oasisfeng.nevo.INotification;
import com.oasisfeng.nevo.StatusBarNotificationEvo;
import com.oasisfeng.nevo.decorator.NevoDecoratorService;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Locale;

import static android.support.v4.app.NotificationCompat.EXTRA_TEXT_LINES;
import static java.util.Calendar.HOUR_OF_DAY;
import static java.util.Calendar.MINUTE;

/** @author Oasis */
public class StackDecorator extends NevoDecoratorService {

    private static final int KMaxNumLines = 10;
    private static final long KMinIntervalToShowTimestamp = 10 * 60_000;

    @Override
    public void apply(final StatusBarNotificationEvo evolved) throws RemoteException {
        final Collection<StatusBarNotificationEvo> history = getArchivedNotifications(evolved.getKey(),
                KMaxNumLines);
        if (history.size() <= 1)
            return;
        final INotification evolved_n = evolved.notification();
        final IBundle evolved_extras = evolved_n.extras();
        if (evolved_extras.containsKey(EXTRA_TEXT_LINES))
            return; // Never stack already inbox-styled notification.

        final Calendar calendar = Calendar.getInstance();
        final List<CharSequence> lines = new ArrayList<>(KMaxNumLines);
        long previous_when = 0;
        final long latest_when = evolved_n.getWhen();
        for (final StatusBarNotificationEvo sbn : history) {
            final INotification n = sbn.notification();
            final CharSequence text = n.extras().getCharSequence(NotificationCompat.EXTRA_TEXT);
            if (text == null)
                continue;

            final long when = n.getWhen();
            if (when == latest_when || Math.abs(when - previous_when) <= KMinIntervalToShowTimestamp)
                lines.add(text);
            else { // Add time-stamp
                final SpannableStringBuilder line = new SpannableStringBuilder();
                calendar.setTimeInMillis(when);
                final String time_text = String.format((Locale) null, "%1$02d:%2$02d ", calendar.get(HOUR_OF_DAY),
                        calendar.get(MINUTE));
                line.append(time_text);
                line.append(text);
                line.setSpan(new StyleSpan(Typeface.BOLD), 0, 5, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
                lines.add(line);
            }
            previous_when = when;
        }
        if (lines.isEmpty())
            return;
        Collections.reverse(lines); // Latest first, since earliest lines will be trimmed by InboxStyle.

        final CharSequence title = evolved_extras.getCharSequence(NotificationCompat.EXTRA_TITLE);
        evolved_extras.putCharSequence(NotificationCompat.EXTRA_TITLE_BIG, title);
        evolved_extras.putCharSequenceArray(EXTRA_TEXT_LINES, lines);

        evolved_n.setBigContentView(buildBigContentView(evolved.getPackageName(), title, lines));
    }

    private RemoteViews buildBigContentView(final String pkg, final CharSequence title,
            final List<CharSequence> lines) {
        //      final Bitmap large_icon = evolved_extras.getParcelable(NotificationCompat.EXTRA_LARGE_ICON);
        Context context;
        try {
            context = createPackageContext(pkg, 0);
        } // This ensure the correct display of the small icon
        catch (final PackageManager.NameNotFoundException e) {
            context = this;
        }
        final Builder builder = new Builder(context)/*.setSmallIcon(evolved_n.icon).setLargeIcon(large_icon)*/;
        final InboxStyle inbox = new NotificationCompat.InboxStyle(builder).setBigContentTitle(title);
        for (final CharSequence line : lines)
            inbox.addLine(line);

        return inbox.build().bigContentView;
    }
}