From http://www.jwz.org/xscreensaver/xscreensaver-5.37.tar.gz

[xscreensaver] / android / project / xscreensaver / src / org / jwz / xscreensaver / XScreenSaverWallpaper.java

diff --git a/android/project/xscreensaver/src/org/jwz/xscreensaver/XScreenSaverWallpaper.java b/android/project/xscreensaver/src/org/jwz/xscreensaver/XScreenSaverWallpaper.java
new file mode 100644 (file)
index 0000000..b03c904
--- /dev/null
+++ b/android/project/xscreensaver/src/org/jwz/xscreensaver/XScreenSaverWallpaper.java
@@ -0,0 +1,100 @@
+/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * xscreensaver, Copyright (c) 2016 Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ *
+ * The superclass of every saver's Wallpaper.
+ *
+ * Each Wallpaper needs a distinct subclass in order to show up in the list.
+ * We know which saver we are running by the subclass name; we know which
+ * API to use by how the subclass calls super().
+ */
+
+package org.jwz.xscreensaver;
+
+import android.opengl.GLSurfaceView;
+import android.os.Handler;
+import android.os.Message;
+import android.service.wallpaper.WallpaperService;
+import android.view.GestureDetector;
+import android.view.SurfaceHolder;
+import android.util.Log;
+import java.lang.RuntimeException;
+import java.lang.Thread;
+
+public class XScreenSaverWallpaper extends WallpaperService
+/*implements GestureDetector.OnGestureListener,
+             GestureDetector.OnDoubleTapListener, */ {
+
+  /* TODO: Input! */
+
+  @Override
+  public Engine onCreateEngine() {
+    return new XScreenSaverGLEngine();
+  }
+
+  class XScreenSaverGLEngine extends Engine
+  implements Handler.Callback {
+
+    GLSurfaceView glview;
+
+    @Override
+    public void onSurfaceCreated (SurfaceHolder holder) {
+      /* Old GLWallpaperService warns against working with a GLSurfaceView
+         in the Engine constructor.
+       */
+      glview = new GLSurfaceView (XScreenSaverWallpaper.this) {
+        @Override
+        public SurfaceHolder getHolder() {
+          return XScreenSaverGLEngine.this.getSurfaceHolder();
+        }
+      };
+
+      new XScreenSaverRenderer (
+        XScreenSaverRenderer.saverNameOf (XScreenSaverWallpaper.this),
+        XScreenSaverWallpaper.this, null, this, glview);
+      // super.onSurfaceCreated(holder);
+      glview.surfaceCreated(holder);
+      // glview.requestRender();
+    }
+
+    @Override
+    public void onVisibilityChanged(final boolean visible) {
+      if (glview != null) {
+        if (visible)
+          glview.onResume();
+        else
+          glview.onPause();
+      }
+    }
+
+    /* These aren't necessary...maybe? */
+/*
+    @Override
+    public void onSurfaceChanged (SurfaceHolder holder, int format,
+                                  int width, int height) {
+      if (glview)
+        glview.surfaceChanged(holder, format, width, height);
+      // super.onSurfaceChanged(holder, format, width, height);
+    }
+
+    @Override
+    public void onSurfaceDestroyed (SurfaceHolder holder) {
+      glview.surfaceDestroyed(holder);
+    }
+*/
+
+    @Override
+    public boolean handleMessage (Message msg) {
+      Log.d ("xscreensaver", msg.obj.toString());
+      throw (RuntimeException)msg.obj;
+      // return false;
+    }
+  }
+}