Send undo improvements

app/src/fdroid/AndroidManifest.xml

@@ -11,8 +11,10 @@
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
-    <uses-permission android:name="com.android.vending.BILLING" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
+    <uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" />
+
+    <uses-permission android:name="com.android.vending.BILLING" />
 
     <!-- OAuth -->
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />

app/src/github/AndroidManifest.xml

@@ -11,8 +11,10 @@
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
-    <uses-permission android:name="com.android.vending.BILLING" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
+    <uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" />
+
+    <uses-permission android:name="com.android.vending.BILLING" />
 
     <!-- OAuth -->
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />

app/src/main/AndroidManifest.xml

@@ -11,8 +11,10 @@
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
-    <uses-permission android:name="com.android.vending.BILLING" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
+    <uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" />
+
+    <uses-permission android:name="com.android.vending.BILLING" />
 
     <!-- OAuth -->
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />

app/src/main/java/eu/faircode/email/ActivityCompose.java

@@ -42,7 +42,6 @@ import java.util.Map;
 
 public class ActivityCompose extends ActivityBase implements FragmentManager.OnBackStackChangedListener {
     static final int PI_REPLY = 1;
-    static final long UNDO_DELAY = 5000; // milliseconds
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {

app/src/main/java/eu/faircode/email/ActivityView.java

@@ -136,8 +136,9 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
     static final String ACTION_EDIT_RULES = BuildConfig.APPLICATION_ID + ".EDIT_RULES";
     static final String ACTION_EDIT_RULE = BuildConfig.APPLICATION_ID + ".EDIT_RULE";
     static final String ACTION_NEW_MESSAGE = BuildConfig.APPLICATION_ID + ".NEW_MESSAGE";
-    static final String ACTION_SENT_UNDO = BuildConfig.APPLICATION_ID + ".SENT_UNDO";
+    static final String ACTION_UNDO_SEND = BuildConfig.APPLICATION_ID + ".UNDO_SEND";
 
+    private static final long UNDO_SEND_DELAY = 7000; // milliseconds
     private static final int UPDATE_TIMEOUT = 15 * 1000; // milliseconds
     private static final long EXIT_DELAY = 2500L; // milliseconds
     static final long UPDATE_DAILY = (BuildConfig.BETA_RELEASE ? 4 : 12) * 3600 * 1000L; // milliseconds
@@ -159,7 +160,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
         LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
         IntentFilter iff = new IntentFilter();
         iff.addAction(ACTION_NEW_MESSAGE);
-        iff.addAction(ACTION_SENT_UNDO);
+        iff.addAction(ACTION_UNDO_SEND);
         lbm.registerReceiver(creceiver, iff);
 
         if (savedInstanceState != null)
@@ -1301,8 +1302,8 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
             String action = intent.getAction();
             if (ACTION_NEW_MESSAGE.equals(action))
                 onNewMessage(intent);
-            else if (ACTION_SENT_UNDO.equals(action))
+            else if (ACTION_UNDO_SEND.equals(action))
-                onSentUndo(intent);
+                onUndoSend(intent);
         }
     };
 
@@ -1325,8 +1326,19 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
             updatedFolders.add(-1L);
     }
 
-    private void onSentUndo(Intent intent) {
+    private void onUndoSend(Intent intent) {
-        undo(ActivityCompose.UNDO_DELAY, getString(R.string.title_sending), null, new Runnable() {
+        int delayed = intent.getIntExtra("delayed", 0);
+        long scheduled = intent.getLongExtra("scheduled", 0);
+        long now = new Date().getTime();
+        Log.i("Undo send delay=" + UNDO_SEND_DELAY +
+                " delayed=" + delayed +
+                " scheduled=" + new Date(scheduled) +
+                " now=" + new Date(now));
+
+        if (delayed * 1000L < UNDO_SEND_DELAY * 2 || scheduled - now < UNDO_SEND_DELAY * 2)
+            return;
+
+        undo(UNDO_SEND_DELAY, getString(R.string.title_sending), null, new Runnable() {
             @Override
             public void run() {
                 long id = intent.getLongExtra("id", -1);

app/src/main/java/eu/faircode/email/EntityMessage.java

@@ -463,7 +463,7 @@ public class EntityMessage implements Serializable {
             am.cancel(pi);
         } else {
             Log.i("Set snooze id=" + id + " wakeup=" + new Date(wakeup));
-            AlarmManagerCompat.setAndAllowWhileIdle(am, AlarmManager.RTC_WAKEUP, wakeup, pi);
+            AlarmManagerCompat.setExactAndAllowWhileIdle(am, AlarmManager.RTC_WAKEUP, wakeup, pi);
         }
     }
 

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -4446,8 +4446,13 @@ public class FragmentCompose extends FragmentBase {
             boolean dirty = false;
             EntityMessage draft;
 
-            DB db = DB.getInstance(context);
             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+            boolean discard_delete = prefs.getBoolean("discard_delete", false);
+            boolean write_below = prefs.getBoolean("write_below", false);
+            boolean save_drafts = prefs.getBoolean("save_drafts", true);
+            int send_delayed = prefs.getInt("send_delayed", 0);
+
+            DB db = DB.getInstance(context);
             try {
                 db.beginTransaction();
 
@@ -4463,7 +4468,6 @@ public class FragmentCompose extends FragmentBase {
 
                 if (action == R.id.action_delete) {
                     dirty = true;
-                    boolean discard_delete = prefs.getBoolean("discard_delete", false);
                     EntityFolder trash = db.folder().getFolderByType(draft.account, EntityFolder.TRASH);
                     EntityFolder drafts = db.folder().getFolderByType(draft.account, EntityFolder.DRAFTS);
                     if (empty || trash == null || discard_delete || (drafts != null && drafts.local))
@@ -4626,7 +4630,6 @@ public class FragmentCompose extends FragmentBase {
 
                         // Get saved body
                         Document d;
-                        boolean write_below = prefs.getBoolean("write_below", false);
                         if (extras != null && extras.containsKey("html")) {
                             // Save current revision
                             Document c = JsoupEx.parse(body);
@@ -4735,7 +4738,6 @@ public class FragmentCompose extends FragmentBase {
                             action == R.id.action_redo ||
                             action == R.id.action_check) {
                         if ((dirty || encrypted) && !needsEncryption) {
-                            boolean save_drafts = prefs.getBoolean("save_drafts", true);
                             if (save_drafts)
                                 EntityOperation.queue(context, draft, EntityOperation.ADD);
                         }
@@ -4965,7 +4967,6 @@ public class FragmentCompose extends FragmentBase {
                             db.attachment().setMessage(attachment.id, draft.id);
 
                         // Delay sending message
-                        int send_delayed = prefs.getInt("send_delayed", 0);
                         if (draft.ui_snoozed == null && send_delayed != 0) {
                             if (extras.getBoolean("now"))
                                 draft.ui_snoozed = null;
@@ -5019,14 +5020,14 @@ public class FragmentCompose extends FragmentBase {
                     Log.i("Delayed send id=" + draft.id + " at " + new Date(draft.ui_snoozed));
                     EntityMessage.snooze(context, draft.id, draft.ui_snoozed);
 
-                    if (draft.ui_snoozed - 2 * ActivityCompose.UNDO_DELAY > new Date().getTime()) {
+                    Intent undo = new Intent(ActivityView.ACTION_UNDO_SEND);
-                        Intent undo = new Intent(ActivityView.ACTION_SENT_UNDO);
                     undo.putExtra("id", draft.id);
+                    undo.putExtra("delayed", send_delayed);
+                    undo.putExtra("scheduled", draft.ui_snoozed);
 
                     LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
                     lbm.sendBroadcast(undo);
                 }
-                }
 
             return draft;
         }

app/src/play/AndroidManifest.xml

@@ -11,8 +11,10 @@
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
-    <uses-permission android:name="com.android.vending.BILLING" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
+    <uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" />
+
+    <uses-permission android:name="com.android.vending.BILLING" />
 
     <!-- OAuth -->
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />