Switch to compositor's gRPC API

Rework application surface activation to use the new compositor gRPC
API instead of our custom platform channel.

Bug-AGL: SPEC-4914

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: I589af7236c0489125a5ee226cd00ea1f8f1ec9d3

1 files changed, 21 insertions, 14 deletions

diff --git a/lib/homescreen.dart b/lib/homescreen.dart
index be9c7ca..6d7ce5f 100644
--- a/lib/homescreen.dart
+++ b/lib/homescreen.dart
@@ -4,6 +4,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_homescreen/config.dart';
 import 'package:grpc/grpc.dart';
+import 'package:flutter_homescreen/generated/agl_shell.pbgrpc.dart';
 import 'package:flutter_homescreen/generated/applauncher.pbgrpc.dart';
 import 'package:flutter_homescreen/page_apps.dart';
 import 'package:flutter_homescreen/widget_clock.dart';
@@ -24,14 +25,17 @@ class _HomescreenState extends ConsumerState<Homescreen> with TickerProviderStat
   int _selectedIndex = 0;
   int _previousIndex = 0;
 
-  late ClientChannel channel;
-  late AppLauncherClient stub;
+  late ClientChannel appLauncherChannel;
+  late AppLauncherClient appLauncher;
   List<String> apps_stack = [];
-  static const agl_shell_channel = MethodChannel('flutter/agl_shell');
+
+  late ClientChannel aglShellChannel;
+  late AglShellManagerServiceClient aglShell;
+
   late VssClient vss;
 
   Future<List<AppInfo>> getAppList() async {
-    var response = await stub.listApplications(ListRequest());
+    var response = await appLauncher.listApplications(ListRequest());
     for (AppInfo info in response.apps) {
       debugPrint("Got app:");
       debugPrint("$info");
@@ -53,12 +57,8 @@ class _HomescreenState extends ConsumerState<Homescreen> with TickerProviderStat
   }
 
   activateApp(String id) async {
-    try {
-      agl_shell_channel
-          .invokeMethod('activate_app', {'app_id': id, 'index': 0});
-    } catch (e) {
-      print('Could not invoke flutter/agl_shell/activate_app: $e');
-    }
+    var req = ActivateRequest(appId: id);
+    var response = aglShell.activateApp(req);
     addAppToStack(id);
   }
 
@@ -73,7 +73,7 @@ class _HomescreenState extends ConsumerState<Homescreen> with TickerProviderStat
 
   handleAppStatusEvents() async {
     try {
-      var response = stub.getStatusEvents(StatusRequest());
+      var response = appLauncher.getStatusEvents(StatusRequest());
       await for (var event in response) {
         if (event.hasApp()) {
           AppStatus app_status = event.app;
@@ -95,11 +95,18 @@ class _HomescreenState extends ConsumerState<Homescreen> with TickerProviderStat
 
   initState() {
     //debugPrint("_HomescreenState.initState!");
-    channel = ClientChannel('localhost',
+
+    aglShellChannel = ClientChannel('localhost',
+        port: 14005,
+        options: ChannelOptions(credentials: ChannelCredentials.insecure()));
+
+    aglShell = AglShellManagerServiceClient(aglShellChannel);
+
+    appLauncherChannel = ClientChannel('localhost',
         port: 50052,
         options: ChannelOptions(credentials: ChannelCredentials.insecure()));
 
-    stub = AppLauncherClient(channel);
+    appLauncher = AppLauncherClient(appLauncherChannel);
 
     handleAppStatusEvents();
 
@@ -110,7 +117,7 @@ class _HomescreenState extends ConsumerState<Homescreen> with TickerProviderStat
   }
 
   void startApp(String id) async {
-    await stub.startApplication(StartRequest(id: id));
+    await appLauncher.startApplication(StartRequest(id: id));
   }
 
   setNavigationIndex(int index) {