Example usage for com.google.common.collect ArrayListMultimap ArrayListMultimap

Introduction

In this page you can find the example usage for com.google.common.collect ArrayListMultimap ArrayListMultimap.

Prototype

private ArrayListMultimap() 

Source Link

Usage

From source file:qirui.download.DownloadNotifier.java

private void updateWithLocked(Collection<DownloadInfo> downloads) {
    final Resources res = mContext.getResources();

    // Cluster downloads together
    final Multimap<String, DownloadInfo> clustered = new ArrayListMultimap();
    for (DownloadInfo info : downloads) {
        final String tag = buildNotificationTag(info);
        if (tag != null) {
            clustered.put(tag, info);//from w w w  .  j a  va2s  .  c o m
        }
    }

    // Build notification for each cluster
    for (String tag : clustered.keySet()) {
        final int type = getNotificationTagType(tag);
        final Collection<DownloadInfo> cluster = clustered.get(tag);

        final Notification.Builder builder = new Notification.Builder(mContext);

        // Use time when cluster was first shown to avoid shuffling
        final long firstShown;
        if (mActiveNotifs.containsKey(tag)) {
            firstShown = mActiveNotifs.get(tag);
        } else {
            firstShown = System.currentTimeMillis();
            mActiveNotifs.put(tag, firstShown);
        }
        builder.setWhen(firstShown);

        // Show relevant icon
        if (type == TYPE_ACTIVE) {
            builder.setSmallIcon(android.R.drawable.stat_sys_download);
        } else if (type == TYPE_WAITING) {
            builder.setSmallIcon(android.R.drawable.stat_sys_warning);
        } else if (type == TYPE_COMPLETE) {
            builder.setSmallIcon(android.R.drawable.stat_sys_download_done);
        }

        // Build action intents
        if (type == TYPE_ACTIVE || type == TYPE_WAITING) {
            // build a synthetic uri for intent identification purposes
            final Uri uri = new Uri.Builder().scheme("active-dl").appendPath(tag).build();
            final Intent intent = new Intent(Constants.ACTION_LIST, uri, mContext, DownloadReceiver.class);
            intent.putExtra(DownloadManager.EXTRA_NOTIFICATION_CLICK_DOWNLOAD_IDS, getDownloadIds(cluster));
            builder.setContentIntent(
                    PendingIntent.getBroadcast(mContext, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT));
            builder.setOngoing(true);

        } else if (type == TYPE_COMPLETE) {
            final DownloadInfo info = cluster.iterator().next();
            final Uri uri = ContentUris.withAppendedId(Downloads.Impl.ALL_DOWNLOADS_CONTENT_URI, info.mId);
            builder.setAutoCancel(true);

            final String action;
            if (Downloads.Impl.isStatusError(info.mStatus)) {
                action = Constants.ACTION_LIST;
            } else {
                if (info.mDestination != Downloads.Impl.DESTINATION_SYSTEMCACHE_PARTITION) {
                    action = Constants.ACTION_OPEN;
                } else {
                    action = Constants.ACTION_LIST;
                }
            }

            final Intent intent = new Intent(action, uri, mContext, DownloadReceiver.class);
            intent.putExtra(DownloadManager.EXTRA_NOTIFICATION_CLICK_DOWNLOAD_IDS, getDownloadIds(cluster));
            builder.setContentIntent(
                    PendingIntent.getBroadcast(mContext, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT));

            final Intent hideIntent = new Intent(Constants.ACTION_HIDE, uri, mContext, DownloadReceiver.class);
            builder.setDeleteIntent(PendingIntent.getBroadcast(mContext, 0, hideIntent, 0));
        }

        // Calculate and show progress
        String remainingText = null;
        String percentText = null;
        if (type == TYPE_ACTIVE) {
            long current = 0;
            long total = 0;
            long speed = 0;
            synchronized (mDownloadSpeed) {
                for (DownloadInfo info : cluster) {
                    if (info.mTotalBytes != -1) {
                        current += info.mCurrentBytes;
                        total += info.mTotalBytes;
                        speed += mDownloadSpeed.get(info.mId);
                    }
                }
            }

            if (total > 0) {
                final int percent = (int) ((current * 100) / total);
                percentText = res.getString(R.string.download_percent, percent);

                if (speed > 0) {
                    final long remainingMillis = ((total - current) * 1000) / speed;
                    remainingText = res.getString(R.string.download_remaining,
                            ReflectUtils.formatDuration(remainingMillis));
                }

                builder.setProgress(100, percent, false);
            } else {
                builder.setProgress(100, 0, true);
            }
        }

        // Build titles and description
        final Notification notif;
        if (cluster.size() == 1) {
            final DownloadInfo info = cluster.iterator().next();

            builder.setContentTitle(getDownloadTitle(res, info));

            if (type == TYPE_ACTIVE) {
                if (!TextUtils.isEmpty(info.mDescription)) {
                    builder.setContentText(info.mDescription);
                } else {
                    builder.setContentText(remainingText);
                }
                builder.setContentInfo(percentText);

            } else if (type == TYPE_WAITING) {
                builder.setContentText(res.getString(R.string.notification_need_wifi_for_size));

            } else if (type == TYPE_COMPLETE) {
                if (Downloads.Impl.isStatusError(info.mStatus)) {
                    builder.setContentText(res.getText(R.string.notification_download_failed));
                } else if (Downloads.Impl.isStatusSuccess(info.mStatus)) {
                    builder.setContentText(res.getText(R.string.notification_download_complete));
                }
            }

            notif = builder.build();

        } else {
            final Notification.InboxStyle inboxStyle = new Notification.InboxStyle(builder);

            for (DownloadInfo info : cluster) {
                inboxStyle.addLine(getDownloadTitle(res, info));
            }

            if (type == TYPE_ACTIVE) {
                builder.setContentTitle(
                        res.getQuantityString(R.plurals.notif_summary_active, cluster.size(), cluster.size()));
                builder.setContentText(remainingText);
                builder.setContentInfo(percentText);
                inboxStyle.setSummaryText(remainingText);

            } else if (type == TYPE_WAITING) {
                builder.setContentTitle(
                        res.getQuantityString(R.plurals.notif_summary_waiting, cluster.size(), cluster.size()));
                builder.setContentText(res.getString(R.string.notification_need_wifi_for_size));
                inboxStyle.setSummaryText(res.getString(R.string.notification_need_wifi_for_size));
            }

            notif = inboxStyle.build();
        }

        mNotifManager.notify(tag, 0, notif);
    }

    // Remove stale tags that weren't renewed
    final Iterator<String> it = mActiveNotifs.keySet().iterator();
    while (it.hasNext()) {
        final String tag = it.next();
        if (!clustered.containsKey(tag)) {
            mNotifManager.cancel(tag, 0);
            it.remove();
        }
    }
}

---