Implement privacy disclosure for an unbound webapk.

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkDisclosureNotificationManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkDisclosureNotificationManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkDisclosureNotificationManager.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkDisclosureNotificationManager.java
new file mode 100644
index 0000000000000000000000000000000000000000..f14503e2a7a62f395c2b021fcda8a22eb4abf707
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkDisclosureNotificationManager.java
@@ -0,0 +1,77 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.webapps;
+
+import android.app.Notification;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+
+import org.chromium.base.ContextUtils;
+import org.chromium.chrome.R;
+import org.chromium.chrome.browser.document.ChromeLauncherActivity;
+import org.chromium.chrome.browser.notifications.ChannelDefinitions;

[awdf, 2017/05/04 15:49:30]

fyi i just hit 'submit' on this cl which moves ChannelDefinitions to a
notifications.channels subpackage https://codereview.chromium.org/2863623002/ -
you might need to manually fix the import after a rebase once that's in.

+import org.chromium.chrome.browser.notifications.ChromeNotificationBuilder;
+import org.chromium.chrome.browser.notifications.NotificationBuilderFactory;
+import org.chromium.chrome.browser.notifications.NotificationConstants;
+import org.chromium.chrome.browser.notifications.NotificationUmaTracker;
+
+/**
+ * Manages the notification indicating that a WebApk is backed by chrome code and may share data.
+ */
+public class WebApkDisclosureNotificationManager {
+    private static final String WEBAPK_OPEN_TAG = "webapk_notification";
+    private static final int WEBAPK_OPEN_ID = 100;
+
+    private static PendingIntent getDisclosureIntent(Context context) {
+        Intent intent = new Intent(context, ChromeLauncherActivity.class);
+        intent.setData(Uri.parse("https://www.google.com/chrome/browser/privacy/"));
+        return PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
+    }
+
+    /**
+     * Shows the privacy disclosure informing the user that Chrome is being used.
+     * @param mWebappInfo Web App this is currently displayed fullscreen.
+     */
+    public static void showDisclosure(WebappInfo mWebappInfo) {

[awdf, 2017/05/02 12:33:35]

nit: s/mWebAppInfo/webAppInfo (& in param documentation above)

[Yaron, 2017/05/24 01:13:16]

Done.

+        Context context = ContextUtils.getApplicationContext();
+        String actionMessage =
+                context.getResources().getString(R.string.webapk_disclosure_notification);
+        String title = mWebappInfo.shortName();
+
+        ChromeNotificationBuilder builder =
+                NotificationBuilderFactory
+                        .createChromeNotificationBuilder(
+                                true /* preferCompat */, ChannelDefinitions.CHANNEL_ID_BROWSER)
+                        .setContentTitle(title)
+                        .addAction(0, context.getResources().getString(R.string.learn_more),
+                                getDisclosureIntent(context))
+                        .setOngoing(true)
+                        .setVisibility(Notification.VISIBILITY_SECRET)
+                        .setSmallIcon(R.drawable.ic_chrome)
+                        .setLargeIcon(mWebappInfo.icon())
+                        .setShowWhen(false)
+                        .setLocalOnly(true)
+                        .setPriority(Notification.PRIORITY_MIN)
+                        .setGroup(NotificationConstants.GROUP_WEBAPK);
+        NotificationManager nm =
+                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
+        nm.notify(WEBAPK_OPEN_TAG, WEBAPK_OPEN_ID, builder.buildWithBigTextStyle(actionMessage));
+        NotificationUmaTracker.getInstance().onNotificationShown(
+                NotificationUmaTracker.WEBAPK, ChannelDefinitions.CHANNEL_ID_BROWSER);
+    }
+
+    /**
+     * Dismisses the notification.
+     */
+    public static void dismissNotification() {
+        Context context = ContextUtils.getApplicationContext();
+        NotificationManager nm =
+                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
+        nm.cancel(WEBAPK_OPEN_TAG, WEBAPK_OPEN_ID);
+    }
+}