1 files changed, 72 insertions, 0 deletions
diff --git a/java/org/gnu/emacs/EmacsNative.java b/java/org/gnu/emacs/EmacsNative.java
new file mode 100644
index 00000000000..6550e6fa2a1
--- /dev/null
+++ b/java/org/gnu/emacs/EmacsNative.java
@@ -0,0 +1,72 @@
+/* Communication module for Android terminals.  -*- c-file-style: "GNU" -*-
+
+Copyright (C) 2023 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or (at
+your option) any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
+
+package org.gnu.emacs;
+
+import java.lang.System;
+
+import android.content.res.AssetManager;
+
+public class EmacsNative
+{
+  /* Set certain parameters before initializing Emacs.  This proves
+     that libemacs.so is being loaded from Java code.
+
+     assetManager must be the asset manager associated with the
+     context that is loading Emacs.  It is saved and remains for the
+     remainder the lifetime of the Emacs process.
+
+     filesDir must be the package's data storage location for the
+     current Android user.
+
+     libDir must be the package's data storage location for native
+     libraries.  It is used as PATH.
+
+     emacsService must be the emacsService singleton.  */
+  public static native void setEmacsParams (AssetManager assetManager,
+					    String filesDir,
+					    String libDir,
+					    EmacsService emacsService);
+
+  /* Initialize Emacs with the argument array ARGV.  Each argument
+     must contain a NULL terminated string, or else the behavior is
+     undefined.  */
+  public static native void initEmacs (String argv[]);
+
+  /* Abort and generate a native core dump.  */
+  public static native void emacsAbort ();
+
+  /* Send an ANDROID_CONFIGURE_NOTIFY event.  */
+  public static native void sendConfigureNotify (short window, long time,
+						 int x, int y, int width,
+						 int height);
+
+  /* Send an ANDROID_KEY_PRESS event.  */
+  public static native void sendKeyPress (short window, long time, int state,
+					  int keyCode);
+
+  /* Send an ANDROID_KEY_RELEASE event.  */
+  public static native void sendKeyRelease (short window, long time, int state,
+					    int keyRelease);
+
+  static
+  {
+    System.loadLibrary ("emacs");
+  };
+};