+++ /dev/null
-/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- * xscreensaver, Copyright (c) 2016-2017 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 Daydream.
- *
- * Each Daydream 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.view.Display;
-import android.view.Surface;
-import android.view.SurfaceHolder;
-import android.view.SurfaceView;
-import android.view.View;
-import android.view.Window;
-import android.view.WindowManager;
-import android.view.KeyEvent;
-import android.service.dreams.DreamService;
-import android.view.GestureDetector;
-import android.view.KeyEvent;
-import android.view.MotionEvent;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.os.Message;
-import android.os.Handler;
-import android.os.Looper;
-import android.util.Log;
-
-public class XScreenSaverDaydream extends DreamService {
-
- private class SaverView extends SurfaceView
- implements SurfaceHolder.Callback {
-
- private boolean initTried = false;
- private jwxyz jwxyz_obj;
-
- private GestureDetector detector;
-
- private Runnable on_quit = new Runnable() {
- @Override
- public void run() {
- finish(); // Exit the Daydream
- }
- };
-
- SaverView () {
- super (XScreenSaverDaydream.this);
- getHolder().addCallback(this);
- }
-
- @Override
- public void surfaceChanged (SurfaceHolder holder, int format,
- int width, int height) {
-
- if (width == 0 || height == 0) {
- detector = null;
- jwxyz_obj.close();
- jwxyz_obj = null;
- }
-
- Log.d ("xscreensaver",
- String.format("surfaceChanged: %dx%d", width, height));
-
- /*
- double r = 0;
-
- Display d = view.getDisplay();
-
- if (d != null) {
- switch (d.getRotation()) {
- case Surface.ROTATION_90: r = 90; break;
- case Surface.ROTATION_180: r = 180; break;
- case Surface.ROTATION_270: r = 270; break;
- }
- }
- */
-
- if (jwxyz_obj == null) {
- jwxyz_obj = new jwxyz (jwxyz.saverNameOf (XScreenSaverDaydream.this),
- XScreenSaverDaydream.this, screenshot,
- width, height, holder.getSurface(), on_quit);
- detector = new GestureDetector (XScreenSaverDaydream.this, jwxyz_obj);
- } else {
- jwxyz_obj.resize (width, height);
- }
-
- jwxyz_obj.start();
- }
-
- @Override
- public void surfaceCreated (SurfaceHolder holder) {
- if (!initTried) {
- initTried = true;
- } else {
- if (jwxyz_obj != null) {
- jwxyz_obj.close();
- jwxyz_obj = null;
- }
- }
- }
-
- @Override
- public void surfaceDestroyed (SurfaceHolder holder) {
- if (jwxyz_obj != null) {
- jwxyz_obj.close();
- jwxyz_obj = null;
- }
- }
-
- @Override
- public boolean onTouchEvent (MotionEvent event) {
- detector.onTouchEvent (event);
- if (event.getAction() == MotionEvent.ACTION_UP)
- jwxyz_obj.dragEnded (event);
- return true;
- }
-
- @Override
- public boolean onKeyDown (int keyCode, KeyEvent event) {
- // In the emulator, this doesn't receive keyboard arrow keys, PgUp, etc.
- // Some other keys like "Home" are interpreted before we get here, and
- // function keys do weird shit.
-
- // TODO: Does this still work? And is the above still true?
-
- if (view.jwxyz_obj != null)
- view.jwxyz_obj.sendKeyEvent (event);
- return true;
- }
- }
-
- private SaverView view;
- Bitmap screenshot;
-
- private void LOG (String fmt, Object... args) {
- Log.d ("xscreensaver",
- this.getClass().getSimpleName() + ": " +
- String.format (fmt, args));
- }
-
- protected XScreenSaverDaydream () {
- super();
- }
-
- // Called when jwxyz_abort() is called, or other exceptions are thrown.
- //
-/*
- @Override
- public void uncaughtException (Thread thread, Throwable ex) {
-
- renderer = null;
- String err = ex.toString();
- LOG ("Caught exception: %s", err);
-
- this.finish(); // Exit the Daydream
-
- final AlertDialog.Builder b = new AlertDialog.Builder(this);
- b.setMessage (err);
- b.setCancelable (false);
- b.setPositiveButton ("Bummer",
- new DialogInterface.OnClickListener() {
- public void onClick(DialogInterface d, int id) {
- }
- });
-
- // #### This isn't working:
- // "Attempted to add window with non-application token"
- // "Unable to add window -- token null is not for an application"
- // I think I need to get an "Activity" to run it on somehow?
-
- new Handler (Looper.getMainLooper()).post (new Runnable() {
- public void run() {
- AlertDialog alert = b.create();
- alert.setTitle (this.getClass().getSimpleName() + " crashed");
- alert.setIcon(android.R.drawable.ic_dialog_alert);
- alert.show();
- }
- });
-
- old_handler.uncaughtException (thread, ex);
- }
-*/
-
-
- @Override
- public void onAttachedToWindow() {
- super.onAttachedToWindow();
-
- setInteractive (true);
- setFullscreen (true);
- saveScreenshot();
-
- view = new SaverView ();
- setContentView (view);
- }
-
- public void onDreamingStarted() {
- super.onDreamingStarted();
- // view.jwxyz_obj.start();
- }
-
- public void onDreamingStopped() {
- super.onDreamingStopped();
- view.jwxyz_obj.pause();
- }
-
- public void onDetachedFromWindow() {
- super.onDetachedFromWindow();
- try {
- if (view.jwxyz_obj != null)
- view.jwxyz_obj.pause();
- } catch (Exception exc) {
- // Fun fact: Android swallows exceptions coming from here, then crashes
- // elsewhere.
- LOG ("onDetachedFromWindow: %s", exc.toString());
- throw exc;
- }
- }
-
-
- // At startup, before we have blanked the screen, save a screenshot
- // for later use by the hacks.
- //
- private void saveScreenshot() {
- View view = getWindow().getDecorView().getRootView();
- if (view == null) {
- LOG ("unable to get root view for screenshot");
- } else {
-
- // This doesn't work:
- /*
- boolean was = view.isDrawingCacheEnabled();
- if (!was) view.setDrawingCacheEnabled (true);
- view.buildDrawingCache();
- screenshot = view.getDrawingCache();
- if (!was) view.setDrawingCacheEnabled (false);
- if (screenshot == null) {
- LOG ("unable to get screenshot bitmap from %s", view.toString());
- } else {
- screenshot = Bitmap.createBitmap (screenshot);
- }
- */
-
- // This doesn't work either: width and height are both -1...
-
- int w = view.getLayoutParams().width;
- int h = view.getLayoutParams().height;
- if (w <= 0 || h <= 0) {
- LOG ("unable to get root view for screenshot");
- } else {
- screenshot = Bitmap.createBitmap (w, h, Bitmap.Config.ARGB_8888);
- Canvas c = new Canvas (screenshot);
- view.layout (0, 0, w, h);
- view.draw (c);
- }
- }
- }
-}
projects / xscreensaver / blobdiff