//#define CHECKSET_STRING(prop) if ((value==null&&prop==null)||(value!=null&&JSU.toString(value).equals(prop))) break; prop=JSU.toString(value);
// FIXME memory leak
- static Basket.Map boxToCursor = new Basket.HashMap(500, 3);
+ static Basket.Map boxToCursor = new Basket.Hash(500, 3);
static final Font DEFAULT_FONT;
static {
JSU.error("redirect can only be set to a descendant of its current value");
case "fontsize": font = Font.getFont(font == null ? null : font.stream, JSU.toInt(value)); RECONSTRAIN(); dirty();
case "font":
- if(!(value instanceof Stream)) throw new JSExn("You can only put streams to the font property");
+ if(!(value instanceof Fountain)) throw new JSExn("You can only put streams to the font property");
//FIXME: if (font == value) return; // FIXME: unclone()
- font = value == null ? null : Font.getFont((Stream)value, font == null ? 10 : font.pointsize);
+ font = value == null ? null : Font.getFont((Fountain)value, font == null ? 10 : font.pointsize);
RECONSTRAIN();
dirty();
case "x": if (parent==null && Surface.fromBox(this)!=null) {
private final JS rr;
private static final JS.Method METHOD = new JS.Method();
- public Ibex(Stream rr) { try { this.rr = bless(rr);} catch(JSExn e) { throw new Error("should never happen: " + e); } }
+ public Ibex(Fountain rr) { try { this.rr = bless(rr);} catch(JSExn e) { throw new Error("should never happen: " + e); } }
public JS resolveString(String str, boolean permitAbsolute) throws JSExn {
if (str.indexOf("://") != -1) {
public void put(JS name, JS value) throws JSExn {
//#switch(JSU.toString(name))
- case "thread": Scheduler.add((Callable)value); return;
+ case "thread": Platform.Scheduler.add((Callable)value); return;
case "ui.clipboard": Platform.setClipBoard(JSU.toString(value)); return;
case "ui.frame": Platform.createSurface((Box)value, true, true); return;
case "ui.window": Platform.createSurface((Box)value, false, true); return;
return new JS.Clone((JS)args[0]);
case "bless": return bless((JS)args[0]);
case "ui.browser": Platform.newBrowserWindow(JSU.toString(args[0])); return null;
- case "stream.unzip": return args[0] == null ? null : new Stream.Zip((Stream)args[0]);
+ case "stream.unzip": return args[0] == null ? null : new Fountain.Zip((Fountain)args[0]);
//case "stream.uncab": return a == null ? null : new Stream.Cab(a);
case "stream.cache":
- try { return args[0] == null ? null : new Stream.CachedStream((Stream)args[0], "resources", true); }
- catch (Stream.NotCacheableException e) { throw new JSExn("this resource cannot be cached"); }
+ //try { return args[0] == null ? null : new Fountain.CachedStream((Stream)args[0], "resources", true); }
+ //catch (Stream.NotCacheableException e) { throw new JSExn("this resource cannot be cached"); }
case "stream.url": {
String url = JSU.toString(args[0]);
- if (url.startsWith("http://")) return new Stream.HTTP(url);
- else if (url.startsWith("https://")) return new Stream.HTTP(url);
- else if (url.startsWith("data:")) return new Stream.ByteArray(Encode.fromBase64(url.substring(5)), null);
- else if (url.startsWith("utf8:")) return new Stream.ByteArray(url.substring(5).getBytes(), null);
+ if (url.startsWith("http://")) return new Fountain.HTTP(url);
+ else if (url.startsWith("https://")) return new Fountain.HTTP(url);
+ else if (url.startsWith("data:")) return new Fountain.ByteArray(Encode.fromBase64(url.substring(5)), null);
+ else if (url.startsWith("utf8:")) return new Fountain.ByteArray(url.substring(5).getBytes(), null);
else if (url.startsWith("file:")) {
// FIXME
Platform.fileDialog(url.substring(5), false);
break;
case 2:
//#switch(JSU.toString(method))
- case "stream.watch": return new Stream.ProgressWatcher((Stream)args[0], args[1]);
+ case "stream.watch":
+ final JS func = args[1];
+ return new Fountain.ProgressWatcher((Fountain)args[0],
+ new Callable() {
+ public Object run(Object o) throws Exception {
+ JS[] args = (JS[])o;
+ return func.call(null, args);
+ }
+ });
case "regexp": return new JSRegexp(args[0], args[1]);
//#end
case 3:
}
public JS url2res(String url) throws JSExn {
- if (url.startsWith("http://")) return new Stream.HTTP(url);
- else if (url.startsWith("https://")) return new Stream.HTTP(url);
- else if (url.startsWith("data:")) return new Stream.ByteArray(Encode.fromBase64(url.substring(5)), null);
- else if (url.startsWith("utf8:")) return new Stream.ByteArray(url.substring(5).getBytes(), null);
+ if (url.startsWith("http://")) return new Fountain.HTTP(url);
+ else if (url.startsWith("https://")) return new Fountain.HTTP(url);
+ else if (url.startsWith("data:")) return new Fountain.ByteArray(Encode.fromBase64(url.substring(5)), null);
+ else if (url.startsWith("utf8:")) return new Fountain.ByteArray(url.substring(5).getBytes(), null);
else throw new JSExn("invalid resource specifier " + url);
// FIXME support file:// via dialog boxes
}
// FEATURE use a single sleeper thread
new Thread() { public void run() {
try { Thread.sleep(i); } catch (InterruptedException e) { }
- Scheduler.add(callback);
+ Platform.Scheduler.add(callback);
} }.start();
} catch (Pausable.NotPausableException npe) {
throw new JSExn("you cannot sleep or yield in the foreground thread");
public JS parentkey = null;
public Blessing parent = null;
public JS clonee;
- private Basket.Map cache = new Basket.HashMap();
+ private Basket.Map cache = new Basket.Hash();
public Blessing(JS clonee, Ibex ibex, Blessing parent, JS parentkey) throws JSExn {
this.clonee = clonee; this.ibex = ibex; this.parentkey = parentkey; this.parent = parent; }
public JS get(JS key) throws JSExn {
}
// FEATURE: This is a gross hack
public InputStream getImage() throws JSExn {
- //try {
+ try {
InputStream in = JSU.getInputStream(this);
if (in != null) return in;
- //} catch (IOException e) { /* DELIBERATE */ }
+ } catch (IOException e) { /* DELIBERATE */ }
String[] exts = new String[] { ".png", ".jpeg", ".gif" };
for (int i=0; i < exts.length; i++) {
- //try {
- in = JSU.getInputStream(parent.get(JSU.S(JSU.toString(parentkey) + exts[i])));
+ try {
+ InputStream in = JSU.getInputStream(parent.get(JSU.S(JSU.toString(parentkey) + exts[i])));
if (in != null) return in;
- //} catch (IOException f) { /* DELIBERATE */ }
+ } catch (IOException f) { /* DELIBERATE */ }
}
return null;
}
public static String origin = null;
public static String initialTemplate = null;
- public static final Stream builtin = new Stream.Zip(new Stream.Builtin());
+ public static final Fountain builtin = new Fountain.Zip(new Fountain.FromInputStream(Platform.getBuiltinInputStream()));
public static void printUsage() {
System.err.println("Usage: ibex [-lawp] [ url | file | directory ]");
initialTemplate = args.length > startargs + 1 ? args[startargs + 1] : "main";
origin = args[startargs];
- Stream rr;
+ Fountain rr;
final String startupTemplate;
if (origin.startsWith("http://") || origin.startsWith("https://")) {
originHost = origin.substring(origin.indexOf('/') + 2);
originAddr = InetAddress.getByName(originHost);
//rr = builtin;
//startupTemplate = "org.ibex.builtin.splash";
- rr = new Stream.HTTP(origin);
+ rr = new Fountain.HTTP(origin);
startupTemplate = initialTemplate;
} else {
- rr = new Stream.File(origin);
- if (!new File(origin).isDirectory()) rr = new Stream.Zip(rr);
+ rr = new Fountain.File(origin);
+ if (!new File(origin).isDirectory()) rr = new Fountain.Zip(rr);
startupTemplate = initialTemplate;
}
final Ibex ibex = new Ibex(rr);
org.ibex.graphics.Surface.scarImage =
- Picture.load(new Stream.FromInputStream(Encode.JavaSourceCode.decode(Scar.data)),
+ Picture.load(new Fountain.FromInputStream(Encode.JavaSourceCode.decode(Scar.data)),
new Callable() {
private final JS[] callargs = new JS[1];
public Object run(Object o) throws JSExn,UnknownHostException {
return null;
} });
- Scheduler.init();
+ Platform.Scheduler.init();
}
}
+++ /dev/null
-// Copyright 2000-2005 the Contributors, as shown in the revision logs.
-// Licensed under the GNU General Public License version 2 ("the License").
-// You may not use this file except in compliance with the License.
-
-package org.ibex.core;
-
-import java.io.IOException;
-
-import org.ibex.js.*;
-import org.ibex.util.*;
-import org.ibex.graphics.*;
-import org.ibex.plat.*;
-
-/** Implements cooperative multitasking */
-public class Scheduler {
-
- // Public API Exposed to org.ibex /////////////////////////////////////////////////
-
- private static Scheduler singleton;
- public static void add(Callable t) { Log.debug(Scheduler.class, "scheduling " + t); Scheduler.runnable.append(t); }
- public static void init() { if (singleton == null) (singleton = Platform.getScheduler()).run(); }
-
- private static Callable current = null;
-
- private static volatile boolean rendering = false;
- private static volatile boolean again = false;
-
- /** synchronizd so that we can safely call it from an event-delivery thread, in-context */
- public static void renderAll() {
- if (rendering) { again = true; return; }
- synchronized(Scheduler.class) {
- try {
- rendering = true;
- do {
- // FEATURE: this could be cleaner
- again = false;
- for(int i=0; i<Surface.allSurfaces.size(); i++) {
- Surface s = ((Surface)Surface.allSurfaces.elementAt(i));
- do { s.render(); } while(s.abort);
- }
- } while(again);
- } finally {
- rendering = false;
- }
- }
- }
-
-
-
- // API which must be supported by subclasses /////////////////////////////////////
-
- /**
- * SCHEDULER INVARIANT: all scheduler implementations MUST invoke
- * Surface.renderAll() after performing a Callable if no tasks remain
- * in the queue. A scheduler may choose to invoke
- * Surface.renderAll() more often than that if it so chooses.
- */
- public void run() { defaultRun(); }
- public Scheduler() { }
-
-
- // Default Implementation //////////////////////////////////////////////////////
-
- protected static Queue runnable = new Queue(50);
- public void defaultRun() {
- while(true) {
- current = (Callable)runnable.remove(true);
- try {
- // FIXME hideous
- synchronized(this) {
- for(int i=0; i<Surface.allSurfaces.size(); i++) {
- Surface s = (Surface)Surface.allSurfaces.elementAt(i);
- if (current instanceof JS) {
- s._mousex = Integer.MAX_VALUE;
- s._mousey = Integer.MAX_VALUE;
- } else {
- s._mousex = s.mousex;
- s._mousey = s.mousey;
- }
- }
- Log.debug(Scheduler.class, "performing " + current);
- current.run(null);
- }
- renderAll();
- } catch (JSExn e) {
- Log.info(Scheduler.class, "a JavaScript thread spawned with ibex.thread() threw an exception:");
- Log.info(Scheduler.class,e);
- } catch (Exception e) {
- Log.info(Scheduler.class, "a Callable threw an exception which was caught by the scheduler:");
- Log.info(Scheduler.class, e);
- } catch (Throwable t) {
- t.printStackTrace();
- }
- // if an Error is thrown it will cause the engine to quit
- }
- }
-}
+++ /dev/null
-// Copyright 2000-2005 the Contributors, as shown in the revision logs.
-// Licensed under the GNU General Public License version 2 ("the License").
-// You may not use this file except in compliance with the License.
-
-package org.ibex.core;
-
-import java.io.*;
-import java.util.zip.*;
-import org.ibex.js.*;
-import org.ibex.util.*;
-import org.ibex.plat.*;
-import org.ibex.net.*;
-
-/**
- * Essentiall an InputStream "factory". You can repeatedly ask a
- * Stream for an InputStream, and each InputStream you get back will
- * be totally independent of the others (ie separate stream position
- * and state) although they draw from the same data source.
- */
-public abstract class Stream extends JS.Obj implements JS.Cloneable {
-
- // Public Interface //////////////////////////////////////////////////////////////////////////////
-
- public static InputStream getInputStream(Object js) throws IOException { return ((Stream)((JS)js).unclone()).getInputStream();}
- public static class NotCacheableException extends Exception { }
-
- // streams are "sealed" by default to prevent accidental object leakage
- private Cache getCache = new Cache(100, true);
- protected JS _get(JS key) throws JSExn { return null; }
- public final JS get(JS key) throws JSExn {
- JS ret = (JS)getCache.get(key);
- if (ret == null) getCache.put(key, ret = _get(key));
- return ret;
- }
-
- // Private Interface //////////////////////////////////////////////////////////////////////////////
-
- public abstract InputStream getInputStream() throws IOException;
- protected String getCacheKey() throws NotCacheableException { throw new NotCacheableException(); }
-
- /** HTTP or HTTPS resource */
- public static class HTTP extends Stream {
- private String url;
- //public String toString() { return "Stream.HTTP:" + url; }
- public HTTP(String url) { while (url.endsWith("/")) url = url.substring(0, url.length() - 1); this.url = url; }
- public JS _get(JS key) throws JSExn { return new HTTP(url + "/" + JSU.toString(key)); }
- public String getCacheKey(Vec path) throws NotCacheableException { return url; }
- public InputStream getInputStream() throws IOException { return new org.ibex.net.HTTP(url).GET(null, null); }
- }
-
- /** byte arrays */
- public static class ByteArray extends Stream {
- private byte[] bytes;
- private String cacheKey;
- public ByteArray(byte[] bytes, String cacheKey) { this.bytes = bytes; this.cacheKey = cacheKey; }
- public String getCacheKey() throws NotCacheableException {
- if (cacheKey == null) throw new NotCacheableException(); return cacheKey; }
- public InputStream getInputStream() throws IOException { return new ByteArrayInputStream(bytes); }
- }
-
- /** a file */
- public static class File extends Stream {
- private String path;
- public File(String path) { this.path = path; }
- //public String toString() { return "file:" + path; }
- public String getCacheKey() throws NotCacheableException { throw new NotCacheableException(); /* already on disk */ }
- public InputStream getInputStream() throws IOException { return new FileInputStream(path); }
- public JS _get(JS key) throws JSExn {
- System.out.println("get: " + JSU.str(key));
- return new File(path + java.io.File.separatorChar + JSU.toString(key)); }
- }
-
- /** "unwrap" a Zip archive */
- public static class Zip extends Stream {
- private Stream parent;
- private String path;
- public Zip(Stream parent) { this(parent, null); }
- public Zip(Stream parent, String path) {
- while(path != null && path.startsWith("/")) path = path.substring(1);
- this.parent = parent;
- this.path = path;
- }
- public String getCacheKey() throws NotCacheableException { return parent.getCacheKey() + "!zip:"; }
- public JS _get(JS key) throws JSExn { return new Zip(parent, path==null?JSU.toString(key):path+'/'+JSU.toString(key)); }
- public InputStream getInputStream() throws IOException {
- InputStream pis = parent.getInputStream();
- ZipInputStream zis = new ZipInputStream(pis);
- ZipEntry ze = zis.getNextEntry();
- while(ze != null && !ze.getName().equals(path)) ze = zis.getNextEntry();
- if (ze == null) throw new IOException("requested file (" + path + ") not found in archive");
- return new KnownLength.KnownLengthInputStream(zis, (int)ze.getSize());
- }
- }
-
- /** "unwrap" a Cab archive */
- /*
- public static class Cab extends Stream {
- private Stream parent;
- private String path;
- public Cab(Stream parent) { this(parent, null); }
- public Cab(Stream parent, String path) { this.parent = parent; this.path = path; }
- public String getCacheKey() throws NotCacheableException { return parent.getCacheKey() + "!cab:"; }
- public JS _get(JS key) throws JSExn { return new Cab(parent, path==null?(String)key:path+'/'+(String)key); }
- public InputStream getInputStream() throws IOException { return new MSPack(parent.getInputStream()).getInputStream(path); }
- }
- */
-
- /** the Builtin resource */
- public static class Builtin extends Stream {
- public String getCacheKey() throws NotCacheableException { throw new NotCacheableException(); }
- public InputStream getInputStream() throws IOException { return Platform.getBuiltinInputStream(); }
- }
-
- /** the Builtin resource */
- public static class FromInputStream extends Stream {
- private final InputStream is;
- public FromInputStream(InputStream is) { this.is = is; }
- public String getCacheKey() throws NotCacheableException { throw new NotCacheableException(); }
- public InputStream getInputStream() throws IOException { return is; }
- }
-
- /** shadow resource which replaces the graft */
- public static class ProgressWatcher extends Stream {
- private final JS[] callargs = new JS[2];
- final Stream watchee;
- JS callback;
- public ProgressWatcher(Stream watchee, JS callback) { this.watchee = watchee; this.callback = callback; }
- public String getCacheKey() throws NotCacheableException { return watchee.getCacheKey(); }
- public InputStream getInputStream() throws IOException {
- final InputStream is = watchee.getInputStream();
- return new FilterInputStream(is) {
- int bytesDownloaded = 0;
- public int read() throws IOException {
- int ret = super.read();
- if (ret != -1) bytesDownloaded++;
- return ret;
- }
- public int read(byte[] b, int off, int len) throws IOException {
- int ret = super.read(b, off, len);
- if (ret != 1) bytesDownloaded += ret;
- Scheduler.add(new Callable() {
- public Object run(Object o) throws IOException, JSExn {
- try {
- int len = is instanceof KnownLength.KnownLengthInputStream ?
- ((KnownLength.KnownLengthInputStream)is).getLength() : 0;
- callargs[0] = JSU.N(bytesDownloaded);
- callargs[1] = JSU.N(len);
- callback.call(null, callargs);
- } finally { callargs[0] = callargs[1] = null; }
- return null;
- } });
- return ret;
- }
- };
- }
- }
-
- /** subclass from this if you want a CachedInputStream for each path */
- public static class CachedStream extends Stream {
- private Stream parent;
- private boolean disk = false;
- private String key;
- public String getCacheKey() throws NotCacheableException { return key; }
- CachedInputStream cis = null;
- public CachedStream(Stream p, String s, boolean d) throws NotCacheableException {
- this.parent = p; this.disk = d; this.key = p.getCacheKey();
- }
- public InputStream getInputStream() throws IOException {
- if (cis != null) return cis.getInputStream();
- if (!disk) {
- cis = new CachedInputStream(parent.getInputStream());
- } else {
- java.io.File f = org.ibex.core.LocalStorage.Cache.getCacheFileForKey(key);
- if (f.exists()) return new FileInputStream(f);
- cis = new CachedInputStream(parent.getInputStream(), f);
- }
- return cis.getInputStream();
- }
- }
-}
import java.io.*;
import java.util.Hashtable;
import org.ibex.js.*;
-import org.ibex.core.*;
import org.ibex.nestedvm.*;
import org.ibex.plat.*;
import org.ibex.nestedvm.Runtime;
static final Hashtable glyphsToBeCached = new Hashtable();
static final Hashtable glyphsToBeDisplayed = new Hashtable();
// HACK: replace with Cache<JS, int>
- private static Basket.Map fonts = new Basket.HashMap();
+ private static Basket.Map fonts = new Basket.Hash();
public static Font getFont(JS stream, int pointsize) {
Basket.Map m = (Basket.Map)fonts.get(stream);
Font ret = null;
if (m != null) ret = (Font)m.get(new Integer(pointsize));
- else fonts.put(stream, m = new Basket.HashMap());
+ else fonts.put(stream, m = new Basket.Hash());
if (ret == null) m.put(new Integer(pointsize), ret = new Font(stream, pointsize));
return ret;
}
for(int i=32; i<47; i++) if (glyphs[i]==null) glyphsToBeCached.put(glyphs[i]=Platform.createGlyph(this, (char)i),"");
for(int i=57; i<128; i++) if (glyphs[i]==null) glyphsToBeCached.put(glyphs[i]=Platform.createGlyph(this, (char)i),"");
if (!glyphRenderingTaskIsScheduled) {
- Scheduler.add(glyphRenderingTask);
+ Platform.Scheduler.add(glyphRenderingTask);
glyphRenderingTaskIsScheduled = true;
}
latinCharsPreloaded = true;
g.render();
Log.debug(Glyph.class, " done rendering glyph " + g.c);
glyphRenderingTaskIsScheduled = true;
- Scheduler.add(this);
+ Platform.Scheduler.add(this);
return null;
} };
package org.ibex.graphics;
-import org.ibex.core.Main;
import org.ibex.util.*;
import java.io.*;
import org.ibex.nestedvm.*;
import org.ibex.js.*;
import org.ibex.plat.*;
import org.ibex.util.*;
-import org.ibex.core.*;
/**
* The in-memory representation of a PNG or GIF image. It is
}
final Picture p = ret;
if (!ret.isLoaded && callback != null) {
- // FEATURE: This is kind of ugly - shouldn't need a blessing
- final Ibex.Blessing b = Ibex.Blessing.getBlessing(stream);
new java.lang.Thread() { public void run() {
InputStream in = null;
try {
- in = b == null ? JSU.getInputStream(stream) : b.getImage();
- //} catch (IOException e) { Log.error(Picture.class, e);
- } catch (JSExn e) { Log.error(Picture.class, e);
+ in = JSU.getInputStream(stream);
+ } catch (IOException e) { Log.error(Picture.class, e);
+ //} catch (JSExn e) { Log.error(Picture.class, e);
}
if (in == null) { Log.warn(Picture.class, "couldn't load image for stream " + stream.unclone()); return; }
try {
else if ((firstByte & 0xff) == 0xff) Platform.decodeJPEG(pbis, p);
else throw new JSExn("couldn't figure out image type from first byte");
p.loaded();
- Scheduler.add(callback);
+ Platform.Scheduler.add(callback);
} catch (Exception e) {
Log.info(this, "exception while loading image");
Log.info(this, e);
import org.ibex.js.*;
import org.ibex.util.*;
import org.ibex.plat.*;
-
-import org.ibex.core.*; // FIXME
+import org.ibex.core.*;
/**
* A Surface, as described in the Ibex Reference.
private static final JS T = JSU.T;
private static final JS F = JSU.F;
- /** all instances of Surface which need to be refreshed by the Scheduler */
+ /** all instances of Surface which need to be refreshed by the Platform.Scheduler */
public static Vec allSurfaces = new Vec();
/** When set to true, render() should abort as soon as possible and restart the rendering process */
if (button == 1) new Message("_Press1", T, root);
else if (button == 2) new Message("_Press2", T, root);
else if (button == 3) {
- Scheduler.add(new Callable() { public Object run(Object o) throws JSExn {
+ Platform.Scheduler.add(new Callable() { public Object run(Object o) throws JSExn {
Platform.clipboardReadEnabled = true;
try {
root.putAndTriggerTraps(JSU.S("_Press3"), T);
}
private final static JS MOVE = JSU.S("_Move");
- /** we enqueue ourselves in the Scheduler when we have a Move message to deal with */
+ /** we enqueue ourselves in the Platform.Scheduler when we have a Move message to deal with */
private Callable mover = new Callable() {
public Object run(Object o) {
if (mousex == newmousex && mousey == newmousey) return null;
protected final void Move(final int newmousex, final int newmousey) {
this.newmousex = newmousex;
this.newmousey = newmousey;
- Scheduler.add(mover);
+ Platform.Scheduler.add(mover);
}
protected final void HScroll(int pixels) { new Message("_HScroll", JSU.N(pixels), root); }
pendingHeight = height;
syncRootBoxToSurface = true;
abort = true;
- Scheduler.renderAll();
+ Platform.Scheduler.renderAll();
}
// FEATURE: can we avoid creating objects here?
protected final void PosChange(final int x, final int y) {
- Scheduler.add(new Callable() { public Object run(Object o) throws JSExn {
+ Platform.Scheduler.add(new Callable() { public Object run(Object o) throws JSExn {
root.x = x;
root.y = y;
root.putAndTriggerTrapsAndCatchExceptions(JSU.S("PosChange"), T);
protected final void Focused(boolean b) { new Message("Focused", b ? T : F, root); }
private boolean scheduled = false;
- public void Refresh() { if (!scheduled) Scheduler.add(this); scheduled = true; }
- public Object run(Object o) { scheduled = false; Scheduler.renderAll(); return null; }
+ public void Refresh() { if (!scheduled) Platform.Scheduler.add(this); scheduled = true; }
+ public Object run(Object o) { scheduled = false; Platform.Scheduler.renderAll(); return null; }
public final void setMaximized(boolean b) { if (b != maximized) _setMaximized(maximized = b); }
public final void setMinimized(boolean b) { if (b != minimized) _setMinimized(minimized = b); }
this.boxContainingMouse = boxContainingMouse;
this.name = name;
this.value = value;
- Scheduler.add(this);
+ Platform.Scheduler.add(this);
}
public Object run(Object o) throws JSExn {
// This is how subclasses signal a 'shallow dirty', indicating that although the backbuffer is valid, the screen is not
public final void Dirty(int x, int y, int w, int h) {
screenDirtyRegions.dirty(x, y, w, h);
- Scheduler.renderAll();
+ Platform.Scheduler.renderAll();
}
public void dirty(int x, int y, int w, int h) {
natInit();
}
- protected Scheduler _getScheduler() { return new DarwinScheduler(); }
+ protected Platform.Scheduler _getScheduler() { return new DarwinScheduler(); }
protected native void runApplicationEventLoop();
- private class DarwinScheduler extends org.ibex.core.Scheduler {
+ private class DarwinScheduler extends Scheduler {
public void run() {
new Thread() { public void run() { defaultRun(); } }.start();
runApplicationEventLoop();
public void deleteTexture(final int tex) {
// CHECKME: Is this safe to do from finalize()?
// natDeleteTexture MUST be run from the message queue thread
- Scheduler.add(new Callable() { public Object run(Object o) { natDeleteTexture(tex); return null; }});
+ Platform.Scheduler.add(new Callable() { public Object run(Object o) { natDeleteTexture(tex); return null; }});
}
private static abstract class GLPicture {
return p;
}
}
+
+ /** Implements cooperative multitasking */
+ public static class Scheduler {
+
+ // Public API Exposed to org.ibex /////////////////////////////////////////////////
+
+ private static Scheduler singleton;
+ public static void add(Callable t) { Log.debug(Scheduler.class, "scheduling " + t); Scheduler.runnable.append(t); }
+ public static void init() { if (singleton == null) (singleton = Platform.getScheduler()).run(); }
+
+ private static Callable current = null;
+
+ private static volatile boolean rendering = false;
+ private static volatile boolean again = false;
+
+ /** synchronizd so that we can safely call it from an event-delivery thread, in-context */
+ public static void renderAll() {
+ if (rendering) { again = true; return; }
+ synchronized(Scheduler.class) {
+ try {
+ rendering = true;
+ do {
+ // FEATURE: this could be cleaner
+ again = false;
+ for(int i=0; i<Surface.allSurfaces.size(); i++) {
+ Surface s = ((Surface)Surface.allSurfaces.elementAt(i));
+ do { s.render(); } while(s.abort);
+ }
+ } while(again);
+ } finally {
+ rendering = false;
+ }
+ }
+ }
+
+
+
+ // API which must be supported by subclasses /////////////////////////////////////
+
+ /**
+ * SCHEDULER INVARIANT: all scheduler implementations MUST invoke
+ * Surface.renderAll() after performing a Callable if no tasks remain
+ * in the queue. A scheduler may choose to invoke
+ * Surface.renderAll() more often than that if it so chooses.
+ */
+ public void run() { defaultRun(); }
+ public Scheduler() { }
+
+
+ // Default Implementation //////////////////////////////////////////////////////
+
+ protected static Queue runnable = new Queue(50);
+ public void defaultRun() {
+ while(true) {
+ current = (Callable)runnable.remove(true);
+ try {
+ // FIXME hideous
+ synchronized(this) {
+ for(int i=0; i<Surface.allSurfaces.size(); i++) {
+ Surface s = (Surface)Surface.allSurfaces.elementAt(i);
+ if (current instanceof JS) {
+ s._mousex = Integer.MAX_VALUE;
+ s._mousey = Integer.MAX_VALUE;
+ } else {
+ s._mousex = s.mousex;
+ s._mousey = s.mousey;
+ }
+ }
+ Log.debug(Scheduler.class, "performing " + current);
+ current.run(null);
+ }
+ renderAll();
+ } catch (JSExn e) {
+ Log.info(Scheduler.class, "a JavaScript thread spawned with ibex.thread() threw an exception:");
+ Log.info(Scheduler.class,e);
+ } catch (Exception e) {
+ Log.info(Scheduler.class, "a Callable threw an exception which was caught by the scheduler:");
+ Log.info(Scheduler.class, e);
+ } catch (Throwable t) {
+ t.printStackTrace();
+ }
+ // if an Error is thrown it will cause the engine to quit
+ }
+ }
+ }
}
projects / org.ibex.core.git / commitdiff