Android: Rewrite lcd subsystem to use the SurfaceView API.
That enables drawing from outside the apps UI thread, i.e. from within the Rockbox native thread, without needing synchronization means, and adds determinism as to when the draw happens. It simplifies the drawing routines and adds a convinient way of detecting whether drawing should happen or not (surfaceCreated/Destroyed). It also restores max. fps on my phone which went down drastically with the gingerbread(CM7) update. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29333 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz
parent
6cbb0e4229
commit
144df92bfb
6 changed files with 159 additions and 179 deletions
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@ -66,10 +66,9 @@ public class RockboxActivity extends Activity
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protected void onReceiveResult(final int resultCode, final Bundle resultData)
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{
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switch (resultCode) {
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case RockboxService.RESULT_LIB_LOADED:
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rbservice = RockboxService.get_instance();
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case RockboxService.RESULT_INVOKING_MAIN:
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if (loadingdialog != null)
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loadingdialog.setIndeterminate(true);
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loadingdialog.dismiss();
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break;
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case RockboxService.RESULT_LIB_LOAD_PROGRESS:
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if (loadingdialog == null)
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@ -79,10 +78,10 @@ public class RockboxActivity extends Activity
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loadingdialog.setMax(resultData.getInt("max", 100));
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loadingdialog.setProgress(resultData.getInt("value", 0));
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break;
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case RockboxService.RESULT_FB_INITIALIZED:
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case RockboxService.RESULT_SERVICE_RUNNING:
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rbservice = RockboxService.get_instance();
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setServiceActivity(true);
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attachFramebuffer();
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if (loadingdialog != null)
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loadingdialog.dismiss();
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break;
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case RockboxService.RESULT_ERROR_OCCURED:
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Toast.makeText(RockboxActivity.this, resultData.getString("error"), Toast.LENGTH_LONG);
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@ -93,17 +92,17 @@ public class RockboxActivity extends Activity
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startService(intent);
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}
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private boolean isRockboxRunning()
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private void setServiceActivity(boolean set)
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{
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if (rbservice == null)
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rbservice = RockboxService.get_instance();
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return (rbservice!= null && rbservice.isRockboxRunning() == true);
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if (rbservice != null)
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rbservice.set_activity(this);
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}
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private void attachFramebuffer()
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{
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View rbFramebuffer = rbservice.get_fb();
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View rbFramebuffer = null;
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try {
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rbFramebuffer = rbservice.get_fb();
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setContentView(rbFramebuffer);
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} catch (IllegalStateException e) {
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/* we are already using the View,
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@ -111,17 +110,17 @@ public class RockboxActivity extends Activity
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ViewGroup g = (ViewGroup) rbFramebuffer.getParent();
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g.removeView(rbFramebuffer);
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setContentView(rbFramebuffer);
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} finally {
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rbFramebuffer.requestFocus();
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rbservice.set_activity(this);
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} catch (NullPointerException e) {
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return;
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}
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rbFramebuffer.requestFocus();
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}
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public void onResume()
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{
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super.onResume();
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if (isRockboxRunning())
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attachFramebuffer();
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setVisible(true);
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attachFramebuffer();
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}
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/* this is also called when the backlight goes off,
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@ -131,27 +130,23 @@ public class RockboxActivity extends Activity
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protected void onPause()
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{
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super.onPause();
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if (rbservice != null)
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{
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rbservice.set_activity(null);
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rbservice.get_fb().dispatchWindowVisibilityChanged(View.INVISIBLE);
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}
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/* this will cause the framebuffer's Surface to be destroyed, enabling
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* us to disable drawing */
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setVisible(false);
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}
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@Override
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protected void onStop()
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{
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super.onStop();
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if (rbservice != null)
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rbservice.set_activity(null);
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setServiceActivity(false);
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}
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@Override
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protected void onDestroy()
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{
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super.onDestroy();
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if (rbservice != null)
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rbservice.set_activity(null);
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setServiceActivity(false);
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}
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private void LOG(CharSequence text)
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@ -23,8 +23,6 @@ package org.rockbox;
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import java.nio.ByteBuffer;
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import org.rockbox.Helper.MediaButtonReceiver;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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@ -33,45 +31,72 @@ import android.util.DisplayMetrics;
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import android.util.Log;
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import android.view.KeyEvent;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.SurfaceHolder;
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import android.view.SurfaceView;
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import android.view.ViewConfiguration;
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public class RockboxFramebuffer extends View
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public class RockboxFramebuffer extends SurfaceView
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implements SurfaceHolder.Callback
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{
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private Bitmap btm;
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private Rect rect;
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private ByteBuffer native_buf;
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private MediaButtonReceiver media_monitor;
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private final DisplayMetrics metrics;
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private final ViewConfiguration view_config;
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private ByteBuffer native_buf;
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private Bitmap btm;
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public RockboxFramebuffer(Context c, int lcd_width,
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int lcd_height, ByteBuffer native_fb)
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/* first stage init; needs to run from a thread that has a Looper
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* setup stuff that needs a Context */
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public RockboxFramebuffer(Context c)
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{
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super(c);
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metrics = c.getResources().getDisplayMetrics();
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view_config = ViewConfiguration.get(c);
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getHolder().addCallback(this);
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/* Needed so we can catch KeyEvents */
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setFocusable(true);
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setFocusableInTouchMode(true);
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setClickable(true);
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btm = Bitmap.createBitmap(lcd_width, lcd_height, Bitmap.Config.RGB_565);
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rect = new Rect();
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native_buf = native_fb;
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media_monitor = new MediaButtonReceiver(c);
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media_monitor.register();
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/* the service needs to know the about us */
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((RockboxService)c).set_fb(this);
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metrics = c.getResources().getDisplayMetrics();
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view_config = ViewConfiguration.get(c);
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/* don't draw until native is ready (2nd stage) */
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setEnabled(false);
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}
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public void onDraw(Canvas c)
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/* second stage init; called from Rockbox with information about the
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* display framebuffer */
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@SuppressWarnings("unused")
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private void java_lcd_init(int lcd_width, int lcd_height, ByteBuffer native_fb)
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{
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/* can't copy a partial buffer :( */
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btm = Bitmap.createBitmap(lcd_width, lcd_height, Bitmap.Config.RGB_565);
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native_buf = native_fb;
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setEnabled(true);
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}
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@SuppressWarnings("unused")
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private void java_lcd_update()
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{
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SurfaceHolder holder = getHolder();
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Canvas c = holder.lockCanvas(null);
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btm.copyPixelsFromBuffer(native_buf);
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c.getClipBounds(rect);
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c.drawBitmap(btm, rect, rect, null);
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post_update_done();
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synchronized (holder)
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{ /* draw */
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c.drawBitmap(btm, 0.0f, 0.0f, null);
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}
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holder.unlockCanvasAndPost(c);
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}
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@SuppressWarnings("unused")
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private void java_lcd_update_rect(int x, int y, int width, int height)
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{
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SurfaceHolder holder = getHolder();
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Rect dirty = new Rect(x, y, x+width, y+height);
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Canvas c = holder.lockCanvas(dirty);
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/* can't copy a partial buffer,
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* but it doesn't make a noticeable difference anyway */
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btm.copyPixelsFromBuffer(native_buf);
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synchronized (holder)
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{ /* draw */
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c.drawBitmap(btm, dirty, dirty, null);
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}
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holder.unlockCanvasAndPost(c);
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}
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@SuppressWarnings("unused")
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@ -109,28 +134,6 @@ public class RockboxFramebuffer extends View
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{
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return buttonHandler(keyCode, false);
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}
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public void destroy()
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{
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set_lcd_active(0);
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media_monitor.unregister();
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}
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@Override
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protected void onWindowVisibilityChanged(int visibility)
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{
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super.onWindowVisibilityChanged(visibility);
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switch (visibility) {
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case VISIBLE:
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set_lcd_active(1);
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break;
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case GONE:
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case INVISIBLE:
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set_lcd_active(0);
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break;
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}
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}
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@SuppressWarnings("unused")
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private int getDpi()
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@ -144,8 +147,12 @@ public class RockboxFramebuffer extends View
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return view_config.getScaledTouchSlop();
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}
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private native void post_update_done();
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private native void set_lcd_active(int active);
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private native void touchHandler(boolean down, int x, int y);
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private native static boolean buttonHandler(int keycode, boolean state);
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public native void surfaceCreated(SurfaceHolder holder);
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public native void surfaceDestroyed(SurfaceHolder holder);
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public void surfaceChanged(SurfaceHolder holder, int format, int width, int height)
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{
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}
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}
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@ -31,6 +31,7 @@ import java.util.TimerTask;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipFile;
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import org.rockbox.Helper.MediaButtonReceiver;
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import org.rockbox.Helper.RunForegroundManager;
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import android.app.Activity;
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@ -59,20 +60,21 @@ public class RockboxService extends Service
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/* locals needed for the c code and rockbox state */
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private RockboxFramebuffer fb = null;
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private boolean mRockboxRunning = false;
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private volatile boolean rbLibLoaded;
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private volatile boolean rockbox_running;
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private Activity current_activity = null;
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private IntentFilter itf;
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private BroadcastReceiver batt_monitor;
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private RunForegroundManager fg_runner;
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private MediaButtonReceiver mMediaButtonReceiver;
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@SuppressWarnings("unused")
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private int battery_level;
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private ResultReceiver resultReceiver;
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public static final int RESULT_LIB_LOADED = 0;
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public static final int RESULT_INVOKING_MAIN = 0;
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public static final int RESULT_LIB_LOAD_PROGRESS = 1;
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public static final int RESULT_FB_INITIALIZED = 2;
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public static final int RESULT_ERROR_OCCURED = 3;
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public static final int RESULT_SERVICE_RUNNING = 3;
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public static final int RESULT_ERROR_OCCURED = 4;
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@Override
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public void onCreate()
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@ -89,14 +91,6 @@ public class RockboxService extends Service
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{
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return fb;
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}
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/* framebuffer is initialised by the native code(!) so this is needed */
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public void set_fb(RockboxFramebuffer newfb)
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{
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fb = newfb;
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mRockboxRunning = true;
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if (resultReceiver != null)
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resultReceiver.send(RESULT_FB_INITIALIZED, null);
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}
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public Activity get_activity()
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{
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@ -113,7 +107,7 @@ public class RockboxService extends Service
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if (intent != null && intent.hasExtra("callback"))
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resultReceiver = (ResultReceiver) intent.getParcelableExtra("callback");
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if (!rbLibLoaded)
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if (!rockbox_running)
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startservice();
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if (intent != null && intent.getAction() != null)
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@ -151,6 +145,8 @@ public class RockboxService extends Service
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e.printStackTrace();
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}
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}
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if (resultReceiver != null)
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resultReceiver.send(RESULT_SERVICE_RUNNING, null);
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}
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private void LOG(CharSequence text)
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@ -176,6 +172,11 @@ public class RockboxService extends Service
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private void startservice()
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{
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final int BUFFER = 8*1024;
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fb = new RockboxFramebuffer(this);
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if (resultReceiver != null)
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resultReceiver.send(RESULT_FB_INITIALIZED, null);
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mMediaButtonReceiver = new MediaButtonReceiver(this);
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mMediaButtonReceiver.register();
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Thread rb = new Thread(new Runnable()
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{
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public void run()
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@ -247,10 +248,11 @@ public class RockboxService extends Service
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}
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}
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System.loadLibrary("rockbox");
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rbLibLoaded = true;
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System.loadLibrary("rockbox");
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rockbox_running = true;
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if (resultReceiver != null)
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resultReceiver.send(RESULT_LIB_LOADED, null);
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resultReceiver.send(RESULT_INVOKING_MAIN, null);
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main();
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throw new IllegalStateException("native main() returned!");
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@ -259,15 +261,8 @@ public class RockboxService extends Service
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rb.setDaemon(false);
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rb.start();
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}
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private native void main();
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/* returns true once rockbox is up and running.
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* This is considered done once the framebuffer is initialised
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*/
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public boolean isRockboxRunning()
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{
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return mRockboxRunning;
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}
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@Override
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public IBinder onBind(Intent intent)
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@ -329,7 +324,7 @@ public class RockboxService extends Service
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public void onDestroy()
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{
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super.onDestroy();
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fb.destroy();
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mMediaButtonReceiver.unregister();
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/* Make sure our notification is gone. */
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stopForeground();
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}
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@ -50,6 +50,9 @@ static const struct button_mapping button_context_standard[] = {
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{ ACTION_STD_MENU, BUTTON_MENU|BUTTON_REL, BUTTON_MENU },
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{ ACTION_STD_CONTEXT, BUTTON_MENU|BUTTON_REPEAT, BUTTON_MENU },
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/* special hack to get a redraw on activity resume, see lcd-android.c */
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{ ACTION_REDRAW, BUTTON_FORCE_REDRAW, BUTTON_NONE },
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LAST_ITEM_IN_LIST
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}; /* button_context_standard */
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@ -58,6 +58,8 @@ void android_ignore_back_button(bool yes);
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#define BUTTON_BOTTOMMIDDLE 0x00080000
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#define BUTTON_BOTTOMRIGHT 0x00100000
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#define BUTTON_FORCE_REDRAW 0x00200000
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/* No remote */
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#define BUTTON_REMOTE 0
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@ -21,10 +21,12 @@
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#include <jni.h>
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#include <string.h>
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#include "config.h"
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#include "system.h"
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#include "kernel.h"
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#include "lcd.h"
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#include "button.h"
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extern JNIEnv *env_ptr;
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extern jclass RockboxService_class;
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@ -32,57 +34,48 @@ extern jobject RockboxService_instance;
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static jclass RockboxFramebuffer_class;
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static jobject RockboxFramebuffer_instance;
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static jmethodID postInvalidate1;
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static jmethodID postInvalidate2;
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static jmethodID java_lcd_update;
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static jmethodID java_lcd_update_rect;
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static bool display_on;
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static int dpi;
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static int scroll_threshold;
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static struct wakeup lcd_wakeup;
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static struct mutex lcd_mtx;
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static bool display_on;
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void lcd_init_device(void)
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{
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JNIEnv e = *env_ptr;
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wakeup_init(&lcd_wakeup);
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mutex_init(&lcd_mtx);
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RockboxFramebuffer_class = e->FindClass(env_ptr,
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"org/rockbox/RockboxFramebuffer");
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/* instantiate a RockboxFramebuffer instance
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*
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* Pass lcd width and height and our framebuffer so the java layer
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* can create a Bitmap which directly maps to it
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**/
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/* get existing instance from the Service */
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jmethodID get_fb = e->GetMethodID(env_ptr, RockboxService_class, "get_fb",
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"()Lorg/rockbox/RockboxFramebuffer;");
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RockboxFramebuffer_instance = e->CallObjectMethod(env_ptr,
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RockboxService_instance,
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get_fb);
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RockboxFramebuffer_class = (*env_ptr)->GetObjectClass(env_ptr,
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RockboxFramebuffer_instance);
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/* Get init function and set up what's left from the constructor */
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jmethodID java_lcd_init = (*env_ptr)->GetMethodID(env_ptr,
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RockboxFramebuffer_class,
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"java_lcd_init",
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"(IILjava/nio/ByteBuffer;)V");
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/* map the framebuffer to a ByteBuffer, this way lcd updates will
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* be directly feched from the framebuffer */
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jobject buf = e->NewDirectByteBuffer(env_ptr,
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lcd_framebuffer,
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(jlong)sizeof(lcd_framebuffer));
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jmethodID constructor = e->GetMethodID(env_ptr,
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RockboxFramebuffer_class,
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"<init>",
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"(Landroid/content/Context;" /* Service */
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"II" /* lcd width/height */
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"Ljava/nio/ByteBuffer;)V"); /* ByteBuffer */
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RockboxFramebuffer_instance = e->NewObject(env_ptr,
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RockboxFramebuffer_class,
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constructor,
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RockboxService_instance,
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e->CallVoidMethod(env_ptr, RockboxFramebuffer_instance, java_lcd_init,
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(jint)LCD_WIDTH,
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(jint)LCD_HEIGHT,
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buf);
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/* cache update functions */
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postInvalidate1 = (*env_ptr)->GetMethodID(env_ptr,
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java_lcd_update = (*env_ptr)->GetMethodID(env_ptr,
|
||||
RockboxFramebuffer_class,
|
||||
"postInvalidate",
|
||||
"java_lcd_update",
|
||||
"()V");
|
||||
postInvalidate2 = (*env_ptr)->GetMethodID(env_ptr,
|
||||
java_lcd_update_rect = (*env_ptr)->GetMethodID(env_ptr,
|
||||
RockboxFramebuffer_class,
|
||||
"postInvalidate",
|
||||
"java_lcd_update_rect",
|
||||
"(IIII)V");
|
||||
|
||||
jmethodID get_dpi = e->GetMethodID(env_ptr,
|
||||
|
|
@ -98,49 +91,54 @@ void lcd_init_device(void)
|
|||
get_dpi);
|
||||
scroll_threshold = e->CallIntMethod(env_ptr, RockboxFramebuffer_instance,
|
||||
get_scroll_threshold);
|
||||
display_on = true;
|
||||
/* must not draw until surface is created */
|
||||
display_on = false;
|
||||
}
|
||||
|
||||
/* the update mechanism is asynchronous since
|
||||
* onDraw() must be called from the UI thread
|
||||
*
|
||||
* The Rockbox thread calling lcd_update() has to wait
|
||||
* for the update to complete, so that it's synchronous,
|
||||
* and we need to notify it (we could wait in the java layer, but
|
||||
* that'd block the other Rockbox threads too)
|
||||
*
|
||||
* That should give more smoonth animations
|
||||
*/
|
||||
void lcd_update(void)
|
||||
{
|
||||
/* tell the system we're ready for drawing */
|
||||
if (display_on)
|
||||
{
|
||||
mutex_lock(&lcd_mtx);
|
||||
(*env_ptr)->CallVoidMethod(env_ptr, RockboxFramebuffer_instance, postInvalidate1);
|
||||
wakeup_wait(&lcd_wakeup, TIMEOUT_BLOCK);
|
||||
mutex_unlock(&lcd_mtx);
|
||||
}
|
||||
(*env_ptr)->CallVoidMethod(env_ptr, RockboxFramebuffer_instance,
|
||||
java_lcd_update);
|
||||
}
|
||||
|
||||
void lcd_update_rect(int x, int y, int width, int height)
|
||||
{
|
||||
if (display_on)
|
||||
{
|
||||
mutex_lock(&lcd_mtx);
|
||||
(*env_ptr)->CallVoidMethod(env_ptr, RockboxFramebuffer_instance, postInvalidate2,
|
||||
(jint)x, (jint)y, (jint)x+width, (jint)y+height);
|
||||
wakeup_wait(&lcd_wakeup, TIMEOUT_BLOCK);
|
||||
mutex_unlock(&lcd_mtx);
|
||||
}
|
||||
(*env_ptr)->CallVoidMethod(env_ptr, RockboxFramebuffer_instance,
|
||||
java_lcd_update_rect, x, y, width, height);
|
||||
}
|
||||
|
||||
/*
|
||||
* this is called when the surface is created, which called is everytime
|
||||
* the activity is brought in front and the RockboxFramebuffer gains focus
|
||||
*
|
||||
* Note this is considered interrupt context
|
||||
*/
|
||||
JNIEXPORT void JNICALL
|
||||
Java_org_rockbox_RockboxFramebuffer_post_1update_1done(JNIEnv *e, jobject this)
|
||||
Java_org_rockbox_RockboxFramebuffer_surfaceCreated(JNIEnv *e, jobject this,
|
||||
jobject surfaceholder)
|
||||
{
|
||||
(void)e;
|
||||
(void)this;
|
||||
wakeup_signal(&lcd_wakeup);
|
||||
(void)e; (void)this; (void)surfaceholder;
|
||||
|
||||
display_on = true;
|
||||
send_event(LCD_EVENT_ACTIVATION, NULL);
|
||||
/* Force an update, since the newly created surface is initially black
|
||||
* waiting for the next normal update results in a longish black screen */
|
||||
queue_post(&button_queue, BUTTON_FORCE_REDRAW, 0);
|
||||
}
|
||||
|
||||
/*
|
||||
* the surface is destroyed everytime the RockboxFramebuffer loses focus and
|
||||
* goes invisible
|
||||
*/
|
||||
JNIEXPORT void JNICALL
|
||||
Java_org_rockbox_RockboxFramebuffer_surfaceDestroyed(JNIEnv *e, jobject this,
|
||||
jobject surfaceholder)
|
||||
{
|
||||
(void)e; (void)this; (void)surfaceholder;
|
||||
|
||||
display_on = false;
|
||||
}
|
||||
|
||||
bool lcd_active(void)
|
||||
|
|
@ -158,26 +156,6 @@ int touchscreen_get_scroll_threshold(void)
|
|||
return scroll_threshold;
|
||||
}
|
||||
|
||||
/*
|
||||
* (un)block lcd updates.
|
||||
*
|
||||
* Notice: This is called from the activity thread, so take it
|
||||
* as interrupt context and take care what the event callback does
|
||||
* (it shouldn't block in particular
|
||||
*
|
||||
* the 1s are needed due to strange naming conventions...
|
||||
**/
|
||||
JNIEXPORT void JNICALL
|
||||
Java_org_rockbox_RockboxFramebuffer_set_1lcd_1active(JNIEnv *e,
|
||||
jobject this,
|
||||
jint active)
|
||||
{
|
||||
(void)e;
|
||||
(void)this;
|
||||
display_on = active != 0;
|
||||
if (active)
|
||||
send_event(LCD_EVENT_ACTIVATION, NULL);
|
||||
}
|
||||
/* below is a plain copy from lcd-sdl.c */
|
||||
|
||||
/**
|
||||
|
|
|
|||
Loading…
Reference in a new issue