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+/* ownCloud Android client application
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+ * Copyright (C) 2014 ownCloud Inc.
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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 General Public License version 2,
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+ * as published by the Free Software Foundation.
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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 General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU 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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+ */
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+
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+package com.owncloud.android.utils;
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+
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+import com.owncloud.android.R;
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+
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+import android.app.Notification;
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+import android.content.Context;
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+import android.os.Build;
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+import android.support.v4.app.NotificationCompat;
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+import android.view.View;
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+import android.widget.RemoteViews;
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+
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+/**
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+ * Extends the support class {@link NotificationCompat.Builder} to grant that
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+ * a progress bar is available in every Android version, because
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+ * {@link NotificationCompat.Builder#setProgress(int, int, boolean)} has no
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+ * real effect for Android < 4.0
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+ *
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+ * @author David A. Velasco
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+ */
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+public class NotificationBuilderWithProgressBar extends NotificationCompat.Builder {
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+
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+ /**
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+ * Custom view to replace the original layout of the notifications
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+ */
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+ private RemoteViews mContentView = null;
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+
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+ /**
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+ * Fatory method.
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+ *
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+ * Instances of this class will be only returned in Android versions needing it.
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+ *
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+ * @param context Context that will use the builder to create notifications
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+ * @return An instance of this class, or of the regular
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+ * {@link NotificationCompat.Builder}, when it is good enough.
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+ */
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+ public static NotificationCompat.Builder newNotificationBuilderWithProgressBar(Context context) {
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+ if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
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+ return new NotificationBuilderWithProgressBar(context);
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+ } else {
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+ return new NotificationCompat.Builder(context);
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+ }
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+ }
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+
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+ /**
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+ * Constructor.
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+ *
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+ * @param context Context that will use the builder to create notifications.
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+ */
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+ private NotificationBuilderWithProgressBar(Context context) {
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+ super(context);
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+ mContentView = new RemoteViews(context.getPackageName(), R.layout.notification_with_progress_bar);
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+ setContent(mContentView);
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+ }
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+
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+ /**
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+ * {@inheritDoc}
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+ */
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+ @Override
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+ public NotificationCompat.Builder setProgress(int max, int progress, boolean indeterminate) {
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+ mContentView.setProgressBar(R.id.progress, max, progress, indeterminate);
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+ if (max > 0) {
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+ mContentView.setViewVisibility(R.id.progressHolder, View.VISIBLE);
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+ } else {
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+ mContentView.setViewVisibility(R.id.progressHolder, View.GONE);
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+ }
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+ return this;
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+ }
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+
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+ /**
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+ * {@inheritDoc}
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+ */
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+ @Override
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+ public NotificationCompat.Builder setSmallIcon(int icon) {
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+ super.setSmallIcon(icon); // necessary
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+ mContentView.setImageViewResource(R.id.icon, icon);
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+ return this;
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+ }
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+
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+ /**
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+ * {@inheritDoc}
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+ */
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+ @Override
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+ public NotificationCompat.Builder setContentTitle(CharSequence title) {
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+ super.setContentTitle(title);
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+ mContentView.setTextViewText(R.id.title, title);
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+ return this;
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+ }
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+
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+ /**
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+ * {@inheritDoc}
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+ */
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+ @Override
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+ public NotificationCompat.Builder setContentText(CharSequence text) {
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+ super.setContentText(text);
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+ mContentView.setTextViewText(R.id.text, text);
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+ if (text != null && text.length() > 0) {
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+ mContentView.setViewVisibility(R.id.text, View.VISIBLE);
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+ } else {
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+ mContentView.setViewVisibility(R.id.text, View.GONE);
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+ }
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+ return this;
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+ }
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+
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+ @Override
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+ public Notification build() {
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+ Notification result = super.build();
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+ if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
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+ // super.build() in Android 2.x totally ruins whatever was made #setContent
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+ result.contentView = mContentView;
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+ }
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+ return result;
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+ }
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+
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+}
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David A. Velasco