root/applications/osmo4_android_studio/app/src/main/java/com/gpac/Osmo4/Osmo4GLSurfaceView.java

DEFINITIONS

1. setRenderer
2. getGpacRenderer
3. getInstance
4. onTouchEvent
5. handleInGPAC
6. onKeyDown
7. onKeyUp
8. onResume
9. onPause
10. connect
11. disconnect
12. destroy
13. setGpacPreference
14. setGpacLogs

package com.gpac.Osmo4;

import android.content.Context;
import android.opengl.GLSurfaceView;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.widget.Toast;

/**
 * The view represented the blitted contents by libgpac
 * 
 * @version $Revision$
 * 
 */
public class Osmo4GLSurfaceView extends GLSurfaceView implements GPACInstanceInterface {

    private final static String LOG_GL_SURFACE = Osmo4GLSurfaceView.class.getSimpleName();

    /**
     * Constructor
     * 
     * @param context
     */
    public Osmo4GLSurfaceView(Context context) {
        super(context);
        setEGLContextClientVersion(2);
        setPreserveEGLContextOnPause(true);
        setDebugFlags(DEBUG_CHECK_GL_ERROR | DEBUG_LOG_GL_CALLS);
        setFocusable(true);
        setFocusableInTouchMode(true);
    }

    private Osmo4Renderer gpacRenderer;

    /**
     * Set the renderer
     * 
     * @param renderer
     */
    public void setRenderer(Osmo4Renderer renderer) {
        synchronized (this) {
            this.gpacRenderer = renderer;
        }
        super.setRenderer(renderer);
        setRenderMode(RENDERMODE_CONTINUOUSLY);
    }

    private synchronized Osmo4Renderer getGpacRenderer() {
        return gpacRenderer;
    }

    private GPACInstance getInstance() {
        Osmo4Renderer r = getGpacRenderer();
        if (r == null)
            return null;
        return r.getInstance();
    }

    // ------------------------------------
    @Override
    public boolean onTouchEvent(final MotionEvent event) {
        if(!Osmo4.isUIvisible() | Osmo4.IskeyboardVisible()){
                queueEvent(new Runnable() {

                    @Override
                    public void run() {
                        GPACInstance instance = getInstance();
                        if (instance != null)
                            instance.motionEvent(event);
                    }
                });
                return true;
        }
    return false;
    }

    /**
     * Should we handle this key in GPAC ?
     * 
     * @param keyCode
     * @param event
     * @return
     */
    private static final long TIME_INTERVAL = 500;
    private static long mBackPressed;
    private static boolean handleInGPAC(int keyCode, KeyEvent event) {
        if (event.isSystem() && keyCode!=KeyEvent.KEYCODE_BACK)
            return false;
        switch (keyCode) {
            case KeyEvent.KEYCODE_MEDIA_STOP:
            case KeyEvent.KEYCODE_MENU:
                return false;
            case KeyEvent.KEYCODE_BACK:
                if (mBackPressed + TIME_INTERVAL > System.currentTimeMillis()){
                        return false;
                }
                return true;
            default:
                return true;
        }
    }

    @Override
    public boolean onKeyDown(final int keyCode, final KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) Toast.makeText(Osmo4.context, "Press back button twice to exit", Toast.LENGTH_SHORT).show();
        if (handleInGPAC(keyCode, event)) {
            Log.d(LOG_GL_SURFACE, "onKeyDown = " + keyCode); //$NON-NLS-1$
            queueEvent(new Runnable() {

                @Override
                public void run() {
                    GPACInstance instance = getInstance();
                    if (instance != null)
                        instance.eventKey(keyCode, event, true, event.getUnicodeChar());
                }
            });
            return true;
        }
        return false;
    }

    // ------------------------------------
    @Override
    public boolean onKeyUp(final int keyCode, final KeyEvent event) {
        if (handleInGPAC(keyCode, event)) {
            Log.d(LOG_GL_SURFACE, "onKeyUp =" + keyCode); //$NON-NLS-1$
            if (keyCode == KeyEvent.KEYCODE_BACK) mBackPressed = System.currentTimeMillis();
            queueEvent(new Runnable() {

                @Override
                public void run() {
                    GPACInstance instance = getInstance();
                    if (instance != null)
                        instance.eventKey(keyCode, event, false, event.getUnicodeChar());
                }
            });
            return true;
        }
        return false;
    }

    @Override
    public void onResume() {
        if (getInstance() != null)
            super.onResume();
    }

    @Override
    public void onPause() {
        if (getInstance() != null)
            super.onPause();
    }

    /**
     * @see com.gpac.Osmo4.GPACInstanceInterface#connect(java.lang.String)
     */
    @Override
    public void connect(final String url) {
        queueEvent(new Runnable() {

            @Override
            public void run() {
                GPACInstance instance = getInstance();
                if (instance != null)
                    instance.connect(url);
            }
        });
    }

    /**
     * @see com.gpac.Osmo4.GPACInstanceInterface#disconnect()
     */
    @Override
    public void disconnect() {
        queueEvent(new Runnable() {

            @Override
            public void run() {
                GPACInstance instance = getInstance();
                if (instance != null)
                    instance.disconnect();
            }
        });
    }

    /**
     * @see com.gpac.Osmo4.GPACInstanceInterface#destroy()
     */
    @Override
    public void destroy() {
        queueEvent(new Runnable() {

            @Override
            public void run() {
                GPACInstance instance = getInstance();
                if (instance != null)
                    instance.destroy();
            }
        });
    }

    /**
     * @see com.gpac.Osmo4.GPACInstanceInterface#setGpacPreference(String, String, String)
     */
    @Override
    public void setGpacPreference(final String category, final String name, final String value) {
        queueEvent(new Runnable() {

            @Override
            public void run() {
                GPACInstance instance = getInstance();
                if (instance != null)
                    instance.setGpacPreference(category, name, value);
            }
        });
    }
    
    /**
     * @see com.gpac.Osmo4.GPACInstanceInterface#setGpacLogs(String tools_at_levels)
     */
    @Override
    public void setGpacLogs(final String tools_at_levels) {
        queueEvent(new Runnable() {

            @Override
            public void run() {
                GPACInstance instance = getInstance();
                if (instance != null)
                    instance.setGpacLogs(tools_at_levels);
            }
        });
    }
}