From 1b8bb586830e353ef889abc4d990874671dc4a8d Mon Sep 17 00:00:00 2001
From: Mark Qvist <mark@unsigned.io>
Date: Sat, 17 Sep 2022 17:12:25 +0200
Subject: [PATCH] Added message notifications

---
 sbapp/main.py          | 24 ++++++++++++++++++++++++
 sbapp/sideband/core.py | 25 +++++++++++++++++++++++++
 sbapp/ui/layouts.py    |  4 ++--
 3 files changed, 51 insertions(+), 2 deletions(-)

diff --git a/sbapp/main.py b/sbapp/main.py
index 99f2e5b..41d8d6f 100644
--- a/sbapp/main.py
+++ b/sbapp/main.py
@@ -52,9 +52,15 @@ if RNS.vendor.platformutils.get_platform() == "android":
     from android.runnable import run_on_ui_thread
 
 class SidebandApp(MDApp):
+    STARTING = 0x00
+    ACTIVE   = 0x01
+    PAUSED   = 0x02
+    STOPPING = 0x03
+
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
         self.title = "Sideband"
+        self.app_state = SidebandApp.STARTING
 
         self.sideband = SidebandCore(self)
 
@@ -82,6 +88,7 @@ class SidebandApp(MDApp):
         if RNS.vendor.platformutils.get_platform() == "android":
             Clock.schedule_once(dismiss_splash, 0)
 
+        self.app_state = SidebandApp.ACTIVE
 
     def start_android_service(self):
         service = autoclass('io.unsigned.sideband.ServiceSidebandservice')
@@ -94,6 +101,23 @@ class SidebandApp(MDApp):
     # General helpers                               #
     #################################################
 
+    def on_pause(self):
+        self.app_state = SidebandApp.PAUSED
+        self.sideband.should_persist_data()
+        return True
+
+    def on_resume(self):
+        self.app_state = SidebandApp.ACTIVE
+
+    def on_stop(self):
+        self.app_state = SidebandApp.STOPPING
+
+    def is_in_foreground(self):
+        if self.app_state == SidebandApp.ACTIVE:
+            return True
+        else:
+            return False
+
     def notify(self, title, content):
         notifications_enabled = True
 
diff --git a/sbapp/sideband/core.py b/sbapp/sideband/core.py
index 2abe789..1a7fa0c 100644
--- a/sbapp/sideband/core.py
+++ b/sbapp/sideband/core.py
@@ -161,6 +161,11 @@ class SidebandCore():
         if not os.path.isfile(self.db_path):
             self.__db_init()
 
+    def should_persist_data(self):
+        if self.reticulum != None:
+            self.reticulum._should_persist_data()
+
+        self.save_configuration()
 
     def __load_config(self):
         RNS.log("Loading Sideband identity...")
@@ -896,10 +901,17 @@ class SidebandCore():
         return True
 
     def lxm_ingest(self, message, originator = False):
+        should_notify = False
+        is_trusted = False
+
         if originator:
             context_dest = message.destination_hash
         else:
             context_dest = message.source_hash
+            is_trusted = self.is_trusted(context_dest)
+
+            if is_trusted:
+                should_notify = True
 
         if self._db_message(message.hash):
             RNS.log("Message exists, setting state to: "+str(message.state), RNS.LOG_DEBUG)
@@ -916,6 +928,10 @@ class SidebandCore():
             if self.owner_app.root.ids.messages_scrollview.active_conversation != context_dest:
                 self.unread_conversation(context_dest)
                 self.owner_app.flag_unread_conversations = True
+            else:
+                RNS.log("CHECKING FG STATE")
+                if self.owner_app.is_in_foreground():
+                    should_notify = False
         else:
             self.unread_conversation(context_dest)
             self.owner_app.flag_unread_conversations = True
@@ -925,6 +941,15 @@ class SidebandCore():
         except Exception as e:
             RNS.log("Error in conversation update callback: "+str(e))
 
+        if should_notify:
+            nlen = 128
+            text = message.content.decode("utf-8")
+            notification_content = text[:nlen]
+            if len(text) > nlen:
+                text += "..."
+
+            self.owner_app.notify(title="Message from "+self.peer_display_name(context_dest), content=notification_content)
+
 
     def start(self):
         self._db_clean_messages()
diff --git a/sbapp/ui/layouts.py b/sbapp/ui/layouts.py
index eeaf0d6..9cfe9b2 100644
--- a/sbapp/ui/layouts.py
+++ b/sbapp/ui/layouts.py
@@ -6,8 +6,8 @@ MDNavigationLayout:
 
     ScreenManager:
         id: screen_manager
-        # transition: SlideTransition()
-        transition: NoTransition()
+        transition: SlideTransition()
+        # transition: NoTransition()
 
         MDScreen:
             name: "starting_screen"