-// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
-package org.ibex;
+// 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.plat;
import java.lang.reflect.*;
import java.net.*;
import java.io.*;
import org.ibex.js.*;
import org.ibex.util.*;
+import org.ibex.graphics.*;
+import org.ibex.core.*;
+import org.ibex.crypto.*;
+import org.ibex.core.*;
+import org.ibex.net.*;
/**
* Abstracts away the small irregularities in JVM implementations.
// Static Data /////////////////////////////////////////////////////////////////////////////////////
- static boolean clipboardReadEnabled = false; ///< true iff inside a C-v/A-v/Press3 trap handler
- static Platform platform = null; ///< The appropriate Platform object for this JVM
- static boolean alreadyDetectedProxy = false; ///< true if proxy autodetection has already been run
- static org.ibex.HTTP.Proxy cachedProxyInfo = null; ///< the result of proxy autodetection
+ public static boolean clipboardReadEnabled = false; ///< true iff inside a C-v/A-v/Press3 trap handler
+ public static Platform platform = null; ///< The appropriate Platform object for this JVM
+ public static boolean alreadyDetectedProxy = false; ///< true if proxy autodetection has already been run
+ public static org.ibex.net.HTTP.Proxy cachedProxyInfo = null; ///< the result of proxy autodetection
public static String build = "unknown"; ///< the current build
// VM Detection Logic /////////////////////////////////////////////////////////////////////
String os_name = System.getProperty("os.name", "");
String os_version = System.getProperty("os.version", "");
String platform_class = null;
-
+
if (vendor.startsWith("Free Software Foundation")) {
if (os_name.startsWith("Window")) platform_class = "Win32";
else if (os_name.startsWith("Linux")) platform_class = "Linux";
else if (os_name.startsWith("Darwin")) platform_class = "Darwin";
else platform_class = "X11";
}
+ else if (version.startsWith("1.4")) platform_class = "Java4";
else if (!version.startsWith("1.0") && !version.startsWith("1.1")) platform_class = "Java2";
-
if (platform_class == null) {
Log.error(Platform.class, "Unable to detect JVM");
criticalAbort("Unable to detect JVM");
protected Surface _createSurface(Box b, boolean framed) { return null; }
protected Picture _createPicture(JS r) { return null; }
protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return null; }
- protected Font.Glyph _createGlyph(org.ibex.Font f, char c) { return new DefaultGlyph(f, c); }
+ protected Font.Glyph _createGlyph(org.ibex.graphics.Font f, char c) { return new DefaultGlyph(f, c); }
public static PixelBuffer createPixelBuffer(int w, int h, Surface s) { return platform._createPixelBuffer(w, h, s); }
public static Picture createPicture(JS r) { return platform._createPicture(r); }
- public static Font.Glyph createGlyph(org.ibex.Font f, char c) { return platform._createGlyph(f, c); }
+ public static Font.Glyph createGlyph(org.ibex.graphics.Font f, char c) { return platform._createGlyph(f, c); }
public static Surface createSurface(Box b, boolean framed, boolean refreshable) {
Surface ret = platform._createSurface(b, framed);
ret.setInvisible(false);
if (refreshable) {
Surface.allSurfaces.addElement(ret);
- ret.dirty(0, 0, b.width, b.height);
+ b.dirty();
ret.Refresh();
}
try {
- if (b.get("titlebar") != null) ret.setTitleBarText((String)b.get("titlebar"));
+ if (b.get(JSU.S("titlebar")) != null) ret.setTitleBarText(JSU.toString(b.get(JSU.S("titlebar"))));
} catch (JSExn e) {
Log.warn(Platform.class, e);
}
}
/** detects proxy settings */
- protected synchronized org.ibex.HTTP.Proxy _detectProxy() { return null; }
- public static synchronized org.ibex.HTTP.Proxy detectProxy() {
+ protected synchronized org.ibex.net.HTTP.Proxy _detectProxy() { return null; }
+ public static synchronized org.ibex.net.HTTP.Proxy detectProxy() {
if (cachedProxyInfo != null) return cachedProxyInfo;
if (alreadyDetectedProxy) return null;
alreadyDetectedProxy = true;
+ // FIXME
+ /*
Log.info(Platform.class, "attempting environment-variable DNS proxy detection");
- cachedProxyInfo = org.ibex.HTTP.Proxy.detectProxyViaManual();
+ cachedProxyInfo = org.ibex.net.HTTP.Proxy.detectProxyViaManual();
if (cachedProxyInfo != null) return cachedProxyInfo;
Log.info(Platform.class, "attempting " + platform.getClass().getName() + " proxy detection");
cachedProxyInfo = platform._detectProxy();
if (cachedProxyInfo != null) return cachedProxyInfo;
-
+ */
return cachedProxyInfo;
}
// FEATURE: be more efficient for many of the subclasses
public static class DefaultGlyph extends Font.Glyph {
private Picture p = null;
- public DefaultGlyph(org.ibex.Font f, char c) { super(f, c); }
+ public DefaultGlyph(org.ibex.graphics.Font f, char c) { super(f, c); }
public Picture getPicture() {
if (p == null && isLoaded) {
Picture p = createPicture(null);
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
+ }
+ }
+ }
+
+ /** Manages access to ~/.ibex */
+ public static class LocalStorage {
+
+ static String ibexDirName = System.getProperty("user.home") + java.io.File.separatorChar + ".ibex";
+
+ static java.io.File ibexDir = null;
+ static java.io.File cacheDir = null;
+
+ static {
+ try {
+ ibexDir = new java.io.File(ibexDirName);
+ if (!ibexDir.mkdirs()) ibexDir = null;
+ try {
+ cacheDir = new java.io.File(ibexDirName + java.io.File.separatorChar + "cache");
+ if (!cacheDir.mkdirs()) cacheDir = null;
+ } catch (Exception e) {
+ Log.warn(LocalStorage.class, "unable to create cache directory " +
+ ibexDirName + java.io.File.separatorChar + "cache");
+ }
+ } catch (Exception e) {
+ Log.warn(LocalStorage.class, "unable to create ibex directory " + ibexDirName);
+ }
+ }
+
+ // FEATURE: we ought to be able to do stuff like sha1-checking and date checking on cached resources
+ public static class Cache {
+
+ private static void delTree(java.io.File f) throws IOException {
+ if (f.isDirectory()) {
+ String[] s = f.list();
+ for(int i=0; i<s.length; i++)
+ delTree(new java.io.File(f.getPath() + java.io.File.separatorChar + s[i]));
+ }
+ f.delete();
+ }
+
+ public static void flush() throws IOException {
+ delTree(cacheDir);
+ cacheDir.mkdirs();
+ }
+
+ public static java.io.File getCacheFileForKey(String key) {
+ // FEATURE: be smarter here
+ return new java.io.File(cacheDir.getPath() + File.separatorChar + new String(Encode.toBase64(key.getBytes())));
+ }
+
+ }
+ }
+
}
projects / org.ibex.core.git / blobdiff