1 files changed, 446 insertions, 0 deletions
diff --git a/backends/platform/android/org/inodes/gus/scummvm/ScummVMActivity.java b/backends/platform/android/org/inodes/gus/scummvm/ScummVMActivity.java
new file mode 100644
index 0000000000..29e1eba3d3
--- /dev/null
+++ b/backends/platform/android/org/inodes/gus/scummvm/ScummVMActivity.java
@@ -0,0 +1,446 @@
+package org.inodes.gus.scummvm;
+
+import android.app.AlertDialog;
+import android.app.Activity;
+import android.content.DialogInterface;
+import android.content.res.Configuration;
+import android.media.AudioManager;
+import android.os.Bundle;
+import android.os.Environment;
+import android.os.Handler;
+import android.os.Message;
+import android.util.Log;
+import android.view.inputmethod.InputMethodManager;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.SurfaceView;
+import android.view.View;
+import android.view.ViewConfiguration;
+import android.widget.Toast;
+
+import java.io.IOException;
+
+public class ScummVMActivity extends Activity {
+	private boolean _do_right_click;
+	private boolean _last_click_was_right;
+
+	// game pixels to move per trackball/dpad event.
+	// FIXME: replace this with proper mouse acceleration
+	private final static int TRACKBALL_SCALE = 2;
+
+	private class MyScummVM extends ScummVM {
+		private boolean scummvmRunning = false;
+
+		public MyScummVM() {
+			super(ScummVMActivity.this);
+		}
+
+		@Override
+		protected void initBackend() throws ScummVM.AudioSetupException {
+			synchronized (this) {
+				scummvmRunning = true;
+				notifyAll();
+			}
+			super.initBackend();
+		}
+
+		public void waitUntilRunning() throws InterruptedException {
+			synchronized (this) {
+				while (!scummvmRunning)
+					wait();
+			}
+		}
+
+		@Override
+		protected void displayMessageOnOSD(String msg) {
+			Log.i(this.toString(), "OSD: " + msg);
+			Toast.makeText(ScummVMActivity.this, msg, Toast.LENGTH_LONG).show();
+		}
+
+		@Override
+		protected void setWindowCaption(final String caption) {
+			runOnUiThread(new Runnable() {
+					public void run() {
+						setTitle(caption);
+					}
+				});
+		}
+
+		@Override
+		protected String[] getPluginDirectories() {
+			String[] dirs = new String[1];
+			dirs[0] = ScummVMApplication.getLastCacheDir().getPath();
+			return dirs;
+		}
+
+		@Override
+		protected void showVirtualKeyboard(final boolean enable) {
+			if (getResources().getConfiguration().keyboard ==
+				Configuration.KEYBOARD_NOKEYS) {
+				runOnUiThread(new Runnable() {
+						public void run() {
+							showKeyboard(enable);
+						}
+					});
+			}
+		}	
+	}
+	private MyScummVM scummvm;
+	private Thread scummvm_thread;
+
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+
+		_do_right_click = false;
+		setVolumeControlStream(AudioManager.STREAM_MUSIC);
+
+		setContentView(R.layout.main);
+		takeKeyEvents(true);
+
+		// This is a common enough error that we should warn about it
+		// explicitly.
+		if (!Environment.getExternalStorageDirectory().canRead()) {
+			new AlertDialog.Builder(this)
+				.setTitle(R.string.no_sdcard_title)
+				.setIcon(android.R.drawable.ic_dialog_alert)
+				.setMessage(R.string.no_sdcard)
+				.setNegativeButton(R.string.quit,
+								   new DialogInterface.OnClickListener() {
+									   public void onClick(DialogInterface dialog,
+														   int which) {
+										   finish();
+									   }
+								   })
+				.show();
+			return;
+		}
+
+		SurfaceView main_surface = (SurfaceView)findViewById(R.id.main_surface);
+		main_surface.setOnTouchListener(new View.OnTouchListener() {
+				public boolean onTouch(View v, MotionEvent event) {
+					return onTouchEvent(event);
+				}
+			});
+		main_surface.setOnKeyListener(new View.OnKeyListener() {
+				public boolean onKey(View v, int code, KeyEvent ev) {
+					return onKeyDown(code, ev);
+				}
+			});
+		main_surface.requestFocus();
+
+		// Start ScummVM
+		scummvm = new MyScummVM();
+		scummvm_thread = new Thread(new Runnable() {
+				public void run() {
+					try {
+						runScummVM();
+					} catch (Exception e) {
+						Log.e("ScummVM", "Fatal error in ScummVM thread", e);
+						new AlertDialog.Builder(ScummVMActivity.this)
+							.setTitle("Error")
+							.setMessage(e.toString())
+							.setIcon(android.R.drawable.ic_dialog_alert)
+							.show();
+						finish();
+					}
+				}
+			}, "ScummVM");
+		scummvm_thread.start();
+
+		// Block UI thread until ScummVM has started.  In particular,
+		// this means that surface and event callbacks should be safe
+		// after this point.
+		try {
+			scummvm.waitUntilRunning();
+		} catch (InterruptedException e) {
+			Log.e(this.toString(),
+				  "Interrupted while waiting for ScummVM.initBackend", e);
+			finish();
+		}
+
+		scummvm.setSurface(main_surface.getHolder());
+	}
+
+	// Runs in another thread
+	private void runScummVM() throws IOException {
+		getFilesDir().mkdirs();
+		String[] args = {
+			"ScummVM-lib",
+			"--config=" + getFileStreamPath("scummvmrc").getPath(),
+			"--path=" + Environment.getExternalStorageDirectory().getPath(),
+			"--gui-theme=scummmodern",
+			"--savepath=" + getDir("saves", 0).getPath(),
+		};
+
+		int ret = scummvm.scummVMMain(args);
+
+		// On exit, tear everything down for a fresh
+		// restart next time.
+		System.exit(ret);
+	}
+
+	private boolean was_paused = false;
+
+	@Override
+	public void onPause() {
+		if (scummvm != null) {
+			was_paused = true;
+			scummvm.pause();
+		}
+		super.onPause();
+	}
+
+	@Override
+	public void onResume() {
+		super.onResume();
+		if (scummvm != null && was_paused)
+			scummvm.resume();
+		was_paused = false;
+	}
+
+	@Override
+	public void onStop() {
+		if (scummvm != null) {
+			scummvm.pushEvent(new Event(Event.EVENT_QUIT));
+			try {
+				scummvm_thread.join(1000);	// 1s timeout
+			} catch (InterruptedException e) {
+				Log.i(this.toString(),
+					  "Error while joining ScummVM thread", e);
+			}
+		}
+		super.onStop();
+	}
+
+	static final int MSG_MENU_LONG_PRESS = 1;
+	private final Handler keycodeMenuTimeoutHandler = new Handler() {
+			@Override
+			public void handleMessage(Message msg) {
+				if (msg.what == MSG_MENU_LONG_PRESS) {
+					InputMethodManager imm = (InputMethodManager)
+						getSystemService(INPUT_METHOD_SERVICE);
+					if (imm != null)
+						imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
+				}
+			}
+		};
+
+	@Override
+	public boolean onKeyUp(int keyCode, KeyEvent kevent) {
+		return onKeyDown(keyCode, kevent);
+	}
+
+	@Override
+	public boolean onKeyMultiple(int keyCode, int repeatCount,
+									 KeyEvent kevent) {
+		return onKeyDown(keyCode, kevent);
+	}
+
+	@Override
+	public boolean onKeyDown(int keyCode, KeyEvent kevent) {
+		// Filter out "special" keys
+		switch (keyCode) {
+		case KeyEvent.KEYCODE_MENU:
+			// Have to reimplement hold-down-menu-brings-up-softkeybd
+			// ourselves, since we are otherwise hijacking the menu
+			// key :(
+			// See com.android.internal.policy.impl.PhoneWindow.onKeyDownPanel()
+			// for the usual Android implementation of this feature.
+			if (kevent.getRepeatCount() > 0)
+				// Ignore keyrepeat for menu
+				return false;
+			boolean timeout_fired = false;
+			if (getResources().getConfiguration().keyboard ==
+				Configuration.KEYBOARD_NOKEYS) {
+				timeout_fired = !keycodeMenuTimeoutHandler.hasMessages(MSG_MENU_LONG_PRESS);
+				keycodeMenuTimeoutHandler.removeMessages(MSG_MENU_LONG_PRESS);
+				if (kevent.getAction() == KeyEvent.ACTION_DOWN) {
+					keycodeMenuTimeoutHandler.sendMessageDelayed(
+																 keycodeMenuTimeoutHandler.obtainMessage(MSG_MENU_LONG_PRESS),
+																 ViewConfiguration.getLongPressTimeout());
+					return true;
+				}
+			}
+			if (kevent.getAction() == KeyEvent.ACTION_UP) {
+				if (!timeout_fired)
+					scummvm.pushEvent(new Event(Event.EVENT_MAINMENU));
+				return true;
+			}
+			return false;
+		case KeyEvent.KEYCODE_CAMERA:
+		case KeyEvent.KEYCODE_SEARCH:
+			_do_right_click = (kevent.getAction() == KeyEvent.ACTION_DOWN);
+			return true;
+		case KeyEvent.KEYCODE_DPAD_CENTER:
+		case KeyEvent.KEYCODE_DPAD_UP:
+		case KeyEvent.KEYCODE_DPAD_DOWN:
+		case KeyEvent.KEYCODE_DPAD_LEFT:
+		case KeyEvent.KEYCODE_DPAD_RIGHT: {
+			// HTC Hero doesn't seem to generate
+			// MotionEvent.ACTION_DOWN events on trackball press :(
+			// We'll have to just fake one here.
+			// Some other handsets lack a trackball, so the DPAD is
+			// the only way of moving the cursor.
+			int motion_action;
+			// FIXME: this logic is a mess.
+			if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
+				switch (kevent.getAction()) {
+				case KeyEvent.ACTION_DOWN:
+					motion_action = MotionEvent.ACTION_DOWN;
+					break;
+				case KeyEvent.ACTION_UP:
+					motion_action = MotionEvent.ACTION_UP;
+					break;
+				default:  // ACTION_MULTIPLE
+					return false;
+				}
+			} else
+				motion_action = MotionEvent.ACTION_MOVE;
+
+			Event e = new Event(getEventType(motion_action));
+			e.mouse_x = 0;
+			e.mouse_y = 0;
+			e.mouse_relative = true;
+			switch (keyCode) {
+			case KeyEvent.KEYCODE_DPAD_UP:
+				e.mouse_y = -TRACKBALL_SCALE;
+				break;
+			case KeyEvent.KEYCODE_DPAD_DOWN:
+				e.mouse_y = TRACKBALL_SCALE;
+				break;
+			case KeyEvent.KEYCODE_DPAD_LEFT:
+				e.mouse_x = -TRACKBALL_SCALE;
+				break;
+			case KeyEvent.KEYCODE_DPAD_RIGHT:
+				e.mouse_x = TRACKBALL_SCALE;
+				break;
+			}
+			scummvm.pushEvent(e);
+			return true;
+		}
+		case KeyEvent.KEYCODE_BACK:
+			// skip isSystem() check and fall through to main code
+			break;
+		default:
+			if (kevent.isSystem())
+				return false;
+		}
+
+		// FIXME: what do I need to do for composed characters?
+
+		Event e = new Event();
+
+		switch (kevent.getAction()) {
+		case KeyEvent.ACTION_DOWN:
+			e.type = Event.EVENT_KEYDOWN;
+			e.synthetic = false;
+			break;
+		case KeyEvent.ACTION_UP:
+			e.type = Event.EVENT_KEYUP;
+			e.synthetic = false;
+			break;
+		case KeyEvent.ACTION_MULTIPLE:
+			// e.type is handled below
+			e.synthetic = true;
+			break;
+		default:
+			return false;
+		}
+
+		e.kbd_keycode = Event.androidKeyMap.containsKey(keyCode) ?
+			Event.androidKeyMap.get(keyCode) : Event.KEYCODE_INVALID;
+		e.kbd_ascii = kevent.getUnicodeChar();
+		if (e.kbd_ascii == 0)
+			e.kbd_ascii = e.kbd_keycode; // scummvm keycodes are mostly ascii
+		
+
+		e.kbd_flags = 0;
+		if (kevent.isAltPressed())
+			e.kbd_flags |= Event.KBD_ALT;
+		if (kevent.isSymPressed()) // no ctrl key in android, so use sym (?)
+			e.kbd_flags |= Event.KBD_CTRL;
+		if (kevent.isShiftPressed()) {
+			if (keyCode >= KeyEvent.KEYCODE_0 &&
+				keyCode <= KeyEvent.KEYCODE_9) {
+				// Shift+number -> convert to F* key
+				int offset = keyCode == KeyEvent.KEYCODE_0 ?
+					10 : keyCode - KeyEvent.KEYCODE_1; // turn 0 into 10
+				e.kbd_keycode = Event.KEYCODE_F1 + offset;
+				e.kbd_ascii = Event.ASCII_F1 + offset;
+			} else
+				e.kbd_flags |= Event.KBD_SHIFT;
+		}
+
+		if (kevent.getAction() == KeyEvent.ACTION_MULTIPLE) {
+			for (int i = 0; i <= kevent.getRepeatCount(); i++) {
+				e.type = Event.EVENT_KEYDOWN;
+				scummvm.pushEvent(e);
+				e.type = Event.EVENT_KEYUP;
+				scummvm.pushEvent(e);
+			}
+		} else
+			scummvm.pushEvent(e);
+
+		return true;
+	}
+
+	private int getEventType(int action) {
+		switch (action) {
+		case MotionEvent.ACTION_DOWN:
+			_last_click_was_right = _do_right_click;
+			return _last_click_was_right ?
+				Event.EVENT_RBUTTONDOWN : Event.EVENT_LBUTTONDOWN;
+		case MotionEvent.ACTION_UP:
+			return _last_click_was_right ?
+				Event.EVENT_RBUTTONUP : Event.EVENT_LBUTTONUP;
+		case MotionEvent.ACTION_MOVE:
+			return Event.EVENT_MOUSEMOVE;
+		default:
+			return Event.EVENT_INVALID;
+		}
+	}
+
+	@Override
+	public boolean onTrackballEvent(MotionEvent event) {
+		int type = getEventType(event.getAction());
+		if (type == Event.EVENT_INVALID)
+			return false;
+
+		Event e = new Event(type);
+		e.mouse_x =
+			(int)(event.getX() * event.getXPrecision()) * TRACKBALL_SCALE;
+		e.mouse_y =
+			(int)(event.getY() * event.getYPrecision()) * TRACKBALL_SCALE;
+		e.mouse_relative = true;
+		scummvm.pushEvent(e);
+
+		return true;
+	}
+
+	@Override
+	public boolean onTouchEvent(MotionEvent event) {
+		int type = getEventType(event.getAction());
+		if (type == Event.EVENT_INVALID)
+			return false;
+
+		Event e = new Event(type);
+		e.mouse_x = (int)event.getX();
+		e.mouse_y = (int)event.getY();
+		e.mouse_relative = false;
+		scummvm.pushEvent(e);
+
+		return true;
+	}
+
+	private void showKeyboard(boolean show) {
+		SurfaceView main_surface = (SurfaceView)findViewById(R.id.main_surface);
+		InputMethodManager imm = (InputMethodManager)
+			getSystemService(INPUT_METHOD_SERVICE);
+		if (show)
+			imm.showSoftInput(main_surface, InputMethodManager.SHOW_IMPLICIT);
+		else
+			imm.hideSoftInputFromWindow(main_surface.getWindowToken(),
+										InputMethodManager.HIDE_IMPLICIT_ONLY);
+	}
+}