WIP send several chars at once

server/src/main/java/com/genymobile/scrcpy/Controller.java

@@ -1,7 +1,5 @@
 package com.genymobile.scrcpy;
 
-import com.genymobile.scrcpy.wrappers.ServiceManager;
-
 import android.content.Intent;
 import android.os.Build;
 import android.os.SystemClock;
@@ -150,15 +148,6 @@ public class Controller {
     }
 
     private boolean injectChar(char c) {
-        if (options.useADBKeyboard()) {
-            // Process latin keys the same way in order to provide same reaction speed.
-            Intent intent = new Intent();
-            intent.setAction("ADB_INPUT_CHARS");
-            int[] chars = {c};
-            intent.putExtra("chars", chars);
-            device.sendBroadcast(intent);
-            return true;
-        } else {
         String decomposed = KeyComposition.decompose(c);
         char[] chars = decomposed != null ? decomposed.toCharArray() : new char[]{c};
         KeyEvent[] events = charMap.getEvents(chars);
@@ -172,11 +161,22 @@ public class Controller {
         }
         return true;
     }
-    }
 
     private int injectText(String text) {
+        char[] chars = text.toCharArray();
+        if (options.useADBKeyboard()) {
+            Intent intent = new Intent();
+            intent.setAction("ADB_INPUT_CHARS");
+            int[] intChars = new int[chars.length];
+            for (int i = 0; i < chars.length; ++i) {
+                intChars[i] = chars[i];
+            }
+            intent.putExtra("chars", intChars);
+            device.sendBroadcast(intent);
+            return chars.length;
+        }
         int successCount = 0;
-        for (char c : text.toCharArray()) {
+        for (char c : chars) {
             if (!injectChar(c)) {
                 Ln.w("Could not inject char u+" + String.format("%04x", (int) c));
                 continue;