* it in the org.xwt.plat package, and add code to this file's static
* block to detect the new platform.
*/
-public class Platform {
+public abstract class Platform {
- // Static Data /////////////////////////////////////////////////////////////////////////////////////
-
- /**
- * set to true during the delivery of a KeyPressed:C-v/A-v or Press3; it is safe to use a
- * 'global' here, since message delivery is single-threaded and non-preemptable
- */
- static boolean clipboardReadEnabled = false;
-
- /** The appropriate Platform object for this JVM */
- static Platform platform = null;
+ public Platform() { platform = this; }
- /** true if proxy autodetection has already been run */
- static boolean alreadyDetectedProxy = false;
-
- /** the result of proxy autodetection */
- static HTTP.Proxy cachedProxyInfo = null;
+ // Static Data /////////////////////////////////////////////////////////////////////////////////////
- /** the current build */
- public static String build = "unknown";
+ 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.xwt.HTTP.Proxy cachedProxyInfo = null; ///< the result of proxy autodetection
+ public static String build = "unknown"; ///< the current build
// VM Detection Logic /////////////////////////////////////////////////////////////////////
- /** do-nothing method that forces <clinit> to run */
- public static void forceLoad() { }
+ public static void forceLoad() { } ///< do-nothing method that forces <clinit> to run
// If you create a new subclass of Platform, you should add logic
// here to detect it. Do not reference your class directly -- use
else if (version.startsWith("1.1") && vendor.startsWith("Microsoft")) platform_class = "Microsoft";
else if (!version.startsWith("1.0") && !version.startsWith("1.1")) platform_class = "Java2";
- /*
- // Disable 2d hardware acceleration on Jaguar
- if (os_name.equals("Mac OS X") && os_version.startsWith("10.2")) System.setProperty("com.apple.hwaccel", "false");
- */
+ // Disable 2d hardware acceleration on Jaguar (do we need this?)
+ // if (os_name.equals("Mac OS X") && os_version.startsWith("10.2")) System.setProperty("com.apple.hwaccel", "false");
+ //System.setProperty("com.apple.hwaccel", "false");
- if (platform_class != null) {
- platform = (Platform)Class.forName("org.xwt.plat." + platform_class).newInstance();
- platform.init();
- }
+ if (platform_class != null)
+ Class.forName("org.xwt.plat." + platform_class).newInstance();
+ String term = Platform.getEnv("TERM");
+ Log.color = term != null && term.length() != 0 && !term.equals("cygwin");
+
try {
build = (String)Class.forName("org.xwt.Build").getField("build").get(null);
} catch (ClassNotFoundException cnfe) {
} catch (Exception e) {
- if (Log.on) Log.log(Platform.class, "exception while detecting build:");
- if (Log.on) Log.log(Platform.class, e);
+ if (Log.on) Log.info(Platform.class, "exception while detecting build:");
+ if (Log.on) Log.info(Platform.class, e);
}
- if (Log.on) Log.log(Platform.class, "XWT build: " + build);
+ if (Log.on) Log.diag(Platform.class, "XWT build: " + build);
- if (Log.on) Log.log(Platform.class, "XWT VM detection: vendor = " + vendor);
- if (Log.on) Log.log(Platform.class, " version = " + version);
- if (Log.on) Log.log(Platform.class, " os = " + os_name + " [version " + os_version + "]");
+ if (Log.on) Log.diag(Platform.class, "XWT VM detection: vendor = " + vendor);
+ if (Log.on) Log.diag(Platform.class, " version = " + version);
+ if (Log.on) Log.diag(Platform.class, " os = " + os_name + " [version " + os_version + "]");
if (platform_class == null) {
- if (Log.on) Log.log(Platform.class, "Unable to detect JVM");
- new Platform().criticalAbort("Unable to detect JVM");
+ if (Log.on) Log.info(Platform.class, "Unable to detect JVM");
+ criticalAbort("Unable to detect JVM");
}
- if (Log.on) Log.log(Platform.class, " platform = " + platform.getDescriptiveName());
- if (Log.on) Log.log(Platform.class, " class = " + platform.getClass().getName());
+ if (Log.on) Log.diag(Platform.class, " platform = " + platform.getDescriptiveName());
+ if (Log.on) Log.diag(Platform.class, " class = " + platform.getClass().getName());
platform.postInit();
} catch (Exception e) {
- if (Log.on) Log.log(Platform.class, "Exception while trying to detect JVM");
- if (Log.on) Log.log(Platform.class, e);
- new Platform().criticalAbort("Unable to detect JVM");
+ if (Log.on) Log.info(Platform.class, "Exception while trying to detect JVM");
+ if (Log.on) Log.info(Platform.class, e);
+ criticalAbort("Unable to detect JVM");
}
}
- // Methods to be Overridden ////////////////////////////////////////////////////////////////////
+ // Methods to be Overridden ///////////////////////////////////////////////////////////////////
/** a string describing the VM */
protected String getDescriptiveName() { return "Generic Java 1.1 VM"; }
- /** this initializes the platform; code in here can invoke methods on Platform since Platform.platform has already been set */
- protected void init() { }
+ /** invoked after initialization messages have been printed; useful for additional platform detection log messages */
protected void postInit() { }
- /** creates and returns a doublebuffer 'belonging' to <tt>owner</tt>; we need to associate PixelBuffers to surfaces
- * due to AWT 1.1 requirements (definately for Navigator, possibly also for MSJVM).
- */
- public static PixelBuffer createPixelBuffer(int w, int h, Surface s) { return platform._createPixelBuffer(w, h, s); }
+ protected Surface _createSurface(Box b, boolean framed) { return null; }
+ protected Picture _createPicture(Stream r) { return null; }
protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return null; }
-
- /** creates and returns a picture */
- public static Picture createPicture(int[] data, int w, int h) { return platform._createPicture(data, w, h); }
- public static Picture createAlphaOnlyPicture(byte[] data, int w, int h) { return platform._createAlphaOnlyPicture(data, w, h); }
-
- protected Picture _createPicture(int[] b, int w, int h) { return null; }
- protected Picture _createAlphaOnlyPicture(byte[] b, int w, int h) {
- int[] b2 = new int[b.length];
- for(int i=0;i<b.length;i++) b2[i] = (b[i]&0xff) << 24;
- return _createPicture(b2,w,h);
- }
+ protected Font.Glyph _createGlyph(org.xwt.Font f, char c) { return new DefaultGlyph(f, c); }
- /** creates a socket object */
- public static Socket getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
- return platform._getSocket(host, port, ssl, negotiate);
- }
- protected Socket _getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
- Socket ret = ssl ? new TinySSL(host, port, negotiate) : new Socket(java.net.InetAddress.getByName(host), port);
- ret.setTcpNoDelay(true);
+ public static PixelBuffer createPixelBuffer(int w, int h, Surface s) { return platform._createPixelBuffer(w, h, s); }
+ public static Picture createPicture(Stream r) { return platform._createPicture(r); }
+ public static Font.Glyph createGlyph(org.xwt.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);
+ ret.setLimits(b.minwidth, b.minheight, b.maxwidth, b.maxheight);
+ if (refreshable) {
+ Surface.allSurfaces.addElement(ret);
+ ret.dirty(0, 0, b.width, b.height);
+ ret.Refresh();
+ }
return ret;
}
-
- /** should return true if it is safe to supress full-surface dirties immediately after a window resize */
- public static boolean supressDirtyOnResize() { return platform._supressDirtyOnResize(); }
- protected boolean _supressDirtyOnResize() { return false; }
/** the human-readable name of the key mapped to XWT's 'alt' key */
public static String altKeyName() { return platform._altKeyName(); }
public static int getScreenHeight() { return platform._getScreenHeight(); }
protected int _getScreenHeight() { return 480; }
- /** returns the maximum number of threads that the XWT engine can create without adversely affecting the host OS */
- public static int maxThreads() { return platform._maxThreads(); }
- protected int _maxThreads() { return 25; }
-
/** used to notify the user of very serious failures; usually used when logging is not working or unavailable */
protected void _criticalAbort(String message) { System.exit(-1); }
if (s.startsWith(key + "="))
return s.substring(key.length() + 1);
} catch (Exception e) {
- if (Log.on) Log.log(this, "Exception while reading from environment:");
- if (Log.on) Log.log(this, e);
+ if (Log.on) Log.info(this, "Exception while reading from environment:");
+ if (Log.on) Log.info(this, e);
}
return null;
}
/** convert a JPEG into an Image */
- public static synchronized Picture decodeJPEG(InputStream is, String name) { return platform._decodeJPEG(is, name); }
- protected Picture _decodeJPEG(InputStream is, String name) { return null; }
+ public static synchronized void decodeJPEG(InputStream is, Picture p) { platform._decodeJPEG(is, p); }
+ protected abstract void _decodeJPEG(InputStream is, Picture p);
/** displays a platform-specific "open file" dialog and returns the chosen filename, or null if the user hit cancel */
protected String _fileDialog(String suggestedFileName, boolean write) { return null; }
- public static String fileDialog(String suggestedFileName, boolean write) {
- if (!ThreadMessage.suspendThread()) return null;
- try {
- return platform._fileDialog(suggestedFileName, write);
- } finally {
- ThreadMessage.resumeThread();
- }
+ public static String fileDialog(String suggestedFileName, boolean write) throws org.xwt.js.JSExn {
+ return platform._fileDialog(suggestedFileName, write);
}
/** default implementation is Eric Albert's BrowserLauncher.java */
Method m = c.getMethod("openURL", new Class[] { String.class });
m.invoke(null, new String[] { url });
} catch (Exception e) {
- Log.log(this, e);
+ Log.info(this, e);
}
}
/** opens a new browser window */
public static void newBrowserWindow(String url) {
if (!(url.startsWith("https://") || url.startsWith("http://") || url.startsWith("ftp://") || url.startsWith("mailto:"))) {
- if (Log.on) Log.log(Platform.class, "xwt.newBrowserWindow() only supports http and https urls");
+ if (Log.on) Log.info(Platform.class, "xwt.newBrowserWindow() only supports http and https urls");
return;
}
if (u.startsWith("https")) u = "http" + u.substring(5);
new URL(u);
} catch (MalformedURLException e) {
- if (Log.on) Log.log(Platform.class, "URL " + url + " is not well-formed");
- if (Log.on) Log.log(Platform.class, e);
+ if (Log.on) Log.info(Platform.class, "URL " + url + " is not well-formed");
+ if (Log.on) Log.info(Platform.class, e);
}
- if (Log.on) Log.log(Platform.class, "newBrowserWindow, url = " + url);
+ if (Log.on) Log.info(Platform.class, "newBrowserWindow, url = " + url);
platform._newBrowserWindow(url);
}
/** used to notify the user of very serious failures; usually used when logging is not working or unavailable */
public static void criticalAbort(String message) {
- if (Log.on) Log.log(Platform.class, "Critical Abort:");
- if (Log.on) Log.log(Platform.class, message);
+ if (Log.on) Log.info(Platform.class, "Critical Abort:");
+ if (Log.on) Log.info(Platform.class, message);
platform._criticalAbort(message);
}
- /** this method invokes the platform _createSurface() method and then enforces a few post-call invariants */
- protected Surface _createSurface(Box b, boolean framed) { return null; }
- public static Surface createSurface(Box b, boolean framed, boolean refreshable) {
- Surface ret = platform._createSurface(b, framed);
- ret.setInvisible(false);
-
- Object titlebar = b.get("titlebar", true);
- if (titlebar != null) ret.setTitleBarText(titlebar.toString());
-
- Object icon = b.get("icon", true);
- if (icon != null && icon instanceof Res) {
- Picture pic = Picture.fromRes((Res)icon);
- if (pic != null) ret.setIcon(pic);
- else if (Log.on) Log.log(Platform.class, "unable to load icon " + icon);
- }
-
- ret.setLimits(b.minwidth, b.minheight, b.maxwidth, b.maxheight);
-
- if (refreshable) {
- Surface.allSurfaces.addElement(ret);
- ret.dirty(0, 0, b.width, b.height);
- ret.Refresh();
- }
- return ret;
- }
-
/** detects proxy settings */
- protected synchronized HTTP.Proxy _detectProxy() { return null; }
- public static synchronized HTTP.Proxy detectProxy() {
+ protected synchronized org.xwt.HTTP.Proxy _detectProxy() { return null; }
+ public static synchronized org.xwt.HTTP.Proxy detectProxy() {
if (cachedProxyInfo != null) return cachedProxyInfo;
if (alreadyDetectedProxy) return null;
alreadyDetectedProxy = true;
- if (Log.on) Log.log(Platform.class, "attempting environment-variable DNS proxy detection");
- cachedProxyInfo = HTTP.Proxy.detectProxyViaManual();
+ if (Log.on) Log.info(Platform.class, "attempting environment-variable DNS proxy detection");
+ cachedProxyInfo = org.xwt.HTTP.Proxy.detectProxyViaManual();
if (cachedProxyInfo != null) return cachedProxyInfo;
- if (Log.on) Log.log(Platform.class, "attempting " + platform.getClass().getName() + " proxy detection");
+ if (Log.on) Log.info(Platform.class, "attempting " + platform.getClass().getName() + " proxy detection");
cachedProxyInfo = platform._detectProxy();
if (cachedProxyInfo != null) return cachedProxyInfo;
return cachedProxyInfo;
+ }
+
+ /** returns a Scheduler instance; used to implement platform-specific schedulers */
+ protected Scheduler _getScheduler() { return new Scheduler(); }
+ public static Scheduler getScheduler() { return platform._getScheduler(); }
+
+ // FEATURE: be more efficient for many of the subclasses
+ public static class DefaultGlyph extends Font.Glyph {
+ private Picture p = null;
+ public DefaultGlyph(org.xwt.Font f, char c) { super(f, c); }
+ public Picture getPicture() {
+ if (p == null && isLoaded) {
+ p = createPicture(null);
+ p.data = new int[data.length];
+ for(int i=0; i<data.length; i++) p.data[i] = (data[i] & 0xff) << 24;
+ data = null;
+ p.width = this.width;
+ p.height = this.height;
+ }
+ return p;
+ }
}
-
- public static void running() { platform._running(); }
- public void _running() { new Semaphore().block(); }
+
+
}
projects / org.ibex.core.git / blobdiff