Bug 1531047 - Part 2: Refactor TabQueue to a foreground service. r=JanH
authorVlad Baicu <vlad.baicu@softvision.ro>
Fri, 15 Mar 2019 11:21:29 +0000
changeset 522030 36132f5347e8b31f4fe5b28d0bd182f6fe606237
parent 522029 069dea6b6bc5b0b4bc43d00e3b6e55c7b25ae245
child 522031 ad59be7ee0c20a42f70989bcce84308fdd66619a
push id10871
push usercbrindusan@mozilla.com
push dateMon, 18 Mar 2019 15:49:32 +0000
treeherdermozilla-beta@018abdd16060 [default view] [failures only]
perfherder[talos] [build metrics] [platform microbench] (compared to previous push)
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Bug 1531047 - Part 2: Refactor TabQueue to a foreground service. r=JanH Refactored the TabQueueService to be a foreground service from Android O onwards. The service now uses a foreground notification that briefly informs the user that a new tab is being added to the queue. Depends on D23528 Differential Revision: https://phabricator.services.mozilla.com/D23529
--- a/mobile/android/base/java/org/mozilla/gecko/LauncherActivity.java
+++ b/mobile/android/base/java/org/mozilla/gecko/LauncherActivity.java
@@ -1,15 +1,16 @@
 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 package org.mozilla.gecko;
+import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.appwidget.AppWidgetManager;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Build;
@@ -103,20 +104,25 @@ public class LauncherActivity extends Ac
         intent.setClassName(getApplicationContext(), AppConstants.MOZ_ANDROID_BROWSER_INTENT_CLASS);
      * Launch tab queue service to display overlay.
+    @SuppressLint("NewApi")
     private void dispatchTabQueueIntent() {
         Intent intent = new Intent(getIntent());
         intent.setClass(getApplicationContext(), TabQueueService.class);
-        startService(intent);
+        if (AppConstants.Versions.preO) {
+            startService(intent);
+        } else {
+            startForegroundService(intent);
+        }
      * Launch the browser activity.
     private void dispatchNormalIntent() {
         Intent intent = new Intent(getIntent());
         intent.setClassName(getApplicationContext(), AppConstants.MOZ_ANDROID_BROWSER_INTENT_CLASS);
--- a/mobile/android/base/java/org/mozilla/gecko/tabqueue/TabQueueHelper.java
+++ b/mobile/android/base/java/org/mozilla/gecko/tabqueue/TabQueueHelper.java
@@ -1,22 +1,25 @@
 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 package org.mozilla.gecko.tabqueue;
+import android.annotation.TargetApi;
+import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
 import android.graphics.PixelFormat;
+import android.os.Build;
 import android.support.v4.app.NotificationCompat;
 import android.support.v4.content.ContextCompat;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
 import android.view.WindowManager;
 import org.json.JSONArray;
@@ -258,16 +261,46 @@ public class TabQueueHelper {
         NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
         notificationManager.notify(TabQueueHelper.TAB_QUEUE_NOTIFICATION_ID, builder.build());
+    /**
+     * Displays a foreground service notification used from Android O prompting the user that a tab
+     * is being added to the queue.
+     *
+     * @param context
+     * @return startupNotification
+     */
+    @TargetApi(Build.VERSION_CODES.O)
+    public static Notification getStartupNotification(final Context context) {
+        final Resources resources = context.getResources();
+        NotificationCompat.InboxStyle inboxStyle = new NotificationCompat.InboxStyle();
+        inboxStyle.setBigContentTitle(resources.getString(R.string.tab_queue_notification_prompt));
+        inboxStyle.setSummaryText(resources.getString(R.string.tab_queue_notification_title));
+        NotificationCompat.Builder builder = new NotificationCompat.Builder(context)
+                .setSmallIcon(R.drawable.ic_status_logo)
+                .setContentTitle(resources.getString(R.string.tab_queue_notification_prompt))
+                .setContentText(resources.getString(R.string.tab_queue_notification_title))
+                .setStyle(inboxStyle)
+                .setColor(ContextCompat.getColor(context, R.color.fennec_ui_accent));
+        if (!AppConstants.Versions.preO) {
+            builder.setChannelId(NotificationHelper.getInstance(context)
+                    .getNotificationChannel(NotificationHelper.Channel.DEFAULT).getId());
+        }
+        return builder.build();
+    }
     public static boolean shouldOpenTabQueueUrls(final Context context) {
         // TODO: Use profile shared prefs when bug 1147925 gets fixed.
         final SharedPreferences prefs = GeckoSharedPrefs.forApp(context);
         int tabsQueued = prefs.getInt(PREF_TAB_QUEUE_COUNT, 0);
--- a/mobile/android/base/java/org/mozilla/gecko/tabqueue/TabQueueService.java
+++ b/mobile/android/base/java/org/mozilla/gecko/tabqueue/TabQueueService.java
@@ -48,17 +48,18 @@ import java.util.concurrent.Executors;
  * On launch this Service displays a View over the currently running process with an action to open the url in Fennec
  * immediately.  If the user takes no action, allowing the runnable to be processed after the specified
  * timeout (TOAST_TIMEOUT), the url is added to a file which is then read in Fennec on next launch, this allows the
  * user to quickly queue urls to open without having to open Fennec each time. If the Service receives an Intent whilst
  * the created View is still active, the old url is immediately processed and the View is re-purposed with the new
- * Intent data.
+ * Intent data. From Android O, due to background limitations, this is a foreground service as it may be started
+ * from the background.
  * <p/>
  * The SYSTEM_ALERT_WINDOW permission is used to allow us to insert a View from this Service which responds to user
  * interaction, whilst still allowing whatever is in the background to be seen and interacted with.
  * <p/>
  * Using an Activity to do this doesn't seem to work as there's an issue to do with the native android intent resolver
  * dialog not being hidden when the toast is shown.  Using an IntentService instead of a Service doesn't work as
  * each new Intent received kicks off the IntentService lifecycle anew which means that a new View is created each time,
  * meaning that we can't quickly queue the current data and re-purpose the View.  The asynchronous nature of the
@@ -121,16 +122,20 @@ public class TabQueueService extends Ser
         toastLayoutParams.gravity = Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL;
     public int onStartCommand(final Intent intent, final int flags, final int startId) {
+        if (!AppConstants.Versions.preO) {
+            startForeground(TabQueueHelper.TAB_QUEUE_NOTIFICATION_ID, TabQueueHelper.getStartupNotification(TabQueueService.this));
+        }
         // If this is a redelivery then lets bypass the entire double tap to open now code as that's a big can of worms,
         // we also don't expect redeliveries because of the short time window associated with this feature.
         if (flags != START_FLAG_REDELIVERY) {
             final Context applicationContext = getApplicationContext();
             final SharedPreferences sharedPreferences = GeckoSharedPrefs.forApp(applicationContext);
             final String lastUrl = sharedPreferences.getString(GeckoPreferences.PREFS_TAB_QUEUE_LAST_SITE, "");
@@ -144,16 +149,17 @@ public class TabQueueService extends Ser
                 // Background thread because we could do some file IO if we have to remove a url from the list.
                 tabQueueHandler.post(() -> {
                     // If there is a runnable around, that means that the previous process hasn't yet completed, so
                     // we will need to prevent it from running and remove the view from the window manager.
                     // If there is no runnable around then the url has already been added to the list, so we'll
                     // need to remove it before proceeding or that url will open multiple times.
                     if (stopServiceRunnable != null) {
+                        stopForeground(false);
                         stopServiceRunnable = null;
                     } else {
                         TabQueueHelper.removeURLFromFile(applicationContext, intentUrl, TabQueueHelper.FILE_NAME);
@@ -207,16 +213,17 @@ public class TabQueueService extends Ser
     private void openNow(Intent intent) {
         Intent forwardIntent = new Intent(intent);
         forwardIntent.setClassName(getApplicationContext(), AppConstants.MOZ_ANDROID_BROWSER_INTENT_CLASS);
+        stopForeground(false);
         executorService.submit(() -> {
             int queuedTabCount = TabQueueHelper.getTabQueueLength(TabQueueService.this);
@@ -322,16 +329,17 @@ public class TabQueueService extends Ser
         public void run(final boolean shouldRemoveView) {
             if (shouldRemoveView) {
+            stopForeground(false);
         /*package*/ int getStartId() {
             return startId;
         public abstract void onRun();
--- a/mobile/android/base/locales/en-US/android_strings.dtd
+++ b/mobile/android/base/locales/en-US/android_strings.dtd
@@ -336,16 +336,19 @@
 <!-- Localization note (tab_queue_prompt_permit_drawing_over_apps): This additional text is shown if the
      user needs to enable an Android setting in order to enable tab queues. -->
 <!ENTITY tab_queue_prompt_permit_drawing_over_apps "Turn on Permit drawing over other apps">
 <!ENTITY tab_queue_prompt_positive_action_button "Enable">
 <!ENTITY tab_queue_prompt_negative_action_button "Not now">
 <!-- Localization note (tab_queue_prompt_settings_button): This button is shown if the user needs to
      enable a permission in Android's setting in order to enable tab queues. -->
 <!ENTITY tab_queue_prompt_settings_button "Go to Settings">
+<!-- Localization note (tab_queue_notification_prompt): This is the text of the default notification
+shown from Android O while a tab is being queued.-->
+<!ENTITY tab_queue_notification_prompt "Adding new tab to queue&#8230;">
 <!ENTITY tab_queue_notification_title "&brandShortName;">
 <!-- Localization note (tab_queue_notification_text_plural2) : The
      formatD is replaced with the number of tabs queued.  The
      number of tabs queued is always more than one.  We can't use
      Android plural forms, sadly. See Bug #753859. -->
 <!ENTITY tab_queue_notification_text_plural2 "&formatD; tabs waiting">
 <!-- Localization note (tab_queue_notification_text_singular2) : This is the
      text of a notification; we expect only one tab queued. -->
--- a/mobile/android/base/strings.xml.in
+++ b/mobile/android/base/strings.xml.in
@@ -297,16 +297,17 @@
   <string name="tab_queue_prompt_positive_action_button">&tab_queue_prompt_positive_action_button;</string>
   <string name="tab_queue_prompt_negative_action_button">&tab_queue_prompt_negative_action_button;</string>
   <string name="tab_queue_prompt_permit_drawing_over_apps">&tab_queue_prompt_permit_drawing_over_apps;</string>
   <string name="tab_queue_prompt_settings_button">&tab_queue_prompt_settings_button;</string>
   <string name="tab_queue_toast_message">&tab_queue_toast_message3;</string>
   <string name="tab_queue_toast_action">&tab_queue_toast_action;</string>
   <string name="tab_queue_notification_text_singular">&tab_queue_notification_text_singular2;</string>
   <string name="tab_queue_notification_text_plural">&tab_queue_notification_text_plural2;</string>
+  <string name="tab_queue_notification_prompt">&tab_queue_notification_prompt;</string>
   <string name="tab_queue_notification_title">&tab_queue_notification_title;</string>
   <string name="tab_queue_notification_settings">&tab_queue_notification_settings;</string>
   <string name="pref_default_browser">&pref_default_browser;</string>
   <string name="pref_default_browser_mozilla_support_tablet">&pref_default_browser_mozilla_support_tablet;</string>
   <string name="pref_about_firefox">&pref_about_firefox;</string>