X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2FPlatform.java;h=6e76b3f4e5f7509552b8b55afbd3fcd3901467c7;hb=de378041d5ca2aca1a2b5a31ef15ae90a86c977f;hp=850e1dc818f14dbdb743a3d75472bdbf3d29053f;hpb=a81a151e639664cb340cf3726f9e8b9c77d125fb;p=org.ibex.core.git diff --git a/src/org/xwt/Platform.java b/src/org/xwt/Platform.java index 850e1dc..6e76b3f 100644 --- a/src/org/xwt/Platform.java +++ b/src/org/xwt/Platform.java @@ -1,10 +1,11 @@ -// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL] +// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL] package org.xwt; import java.lang.reflect.*; import java.net.*; import java.io.*; import java.util.*; +import org.xwt.js.*; import org.xwt.util.*; /** @@ -17,39 +18,26 @@ import org.xwt.util.*; * 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() { } - // If you create a new subclass of Platform, you should add logic // here to detect it. Do not reference your class directly -- use // reflection. - static { - System.err.println("Detecting JVM..."); + public static void forceLoad() { + System.err.print("Detecting JVM..."); try { String vendor = System.getProperty("java.vendor", ""); String version = System.getProperty("java.version", ""); @@ -57,88 +45,87 @@ public class Platform { String os_version = System.getProperty("os.version", ""); String platform_class = null; - if (os_name.startsWith("Darwin")) platform_class = "Darwin"; - else if (vendor.startsWith("Free Software Foundation")) { + 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("SunOS")) platform_class = "Solaris"; + else if (os_name.startsWith("Solaris")) platform_class = "Solaris"; else platform_class = "X11"; - } else if (version.startsWith("1.1") && vendor.startsWith("Netscape")) platform_class = "Netscape"; - 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.equals("10.2")) - */ - 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) { + Log.error(Platform.class, "Unable to detect JVM"); + criticalAbort("Unable to detect JVM"); + } + + System.err.println(" " + os_name + " ==> org.xwt.plat." + platform_class); + try { + if (platform_class != null) Class.forName("org.xwt.plat." + platform_class).newInstance(); + } catch (InstantiationException e) { + throw e.getCause(); } + 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); + Log.diag(Platform.class, "XWT build: " + build); } catch (ClassNotFoundException cnfe) { + Log.warn(Platform.class, "XWT build: unknown"); } 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.log(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 (platform_class == null) { - if (Log.on) Log.log(Platform.class, "Unable to detect JVM"); - new Platform().criticalAbort("Unable to detect JVM"); + Log.info(Platform.class, "exception while detecting build:"); + Log.info(Platform.class, e); } - if (Log.on) Log.log(Platform.class, " platform = " + platform.getDescriptiveName()); - if (Log.on) Log.log(Platform.class, " class = " + platform.getClass().getName()); + Log.diag(Platform.class, "XWT VM detection: vendor = " + vendor); + Log.diag(Platform.class, " version = " + version); + Log.diag(Platform.class, " os = " + os_name + " [version " + os_version + "]"); + Log.diag(Platform.class, " platform = " + platform.getDescriptiveName()); + 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"); + } catch (Throwable e) { + Log.error(Platform.class, "Exception while trying to detect JVM"); + Log.error(Platform.class, e); + criticalAbort("Unable to detect JVM"); } } - // Methods to be Overridden //////////////////////////////////////////////////////////////////// - - /** a string describing the VM */ - protected String getDescriptiveName() { return "Generic Java 1.1 VM"; } + // Methods to be Overridden /////////////////////////////////////////////////////////////////// - /** this initializes the platform; code in here can invoke methods on Platform since Platform.platform has already been set */ - protected void init() { } - protected void postInit() { } + 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.xwt.Font f, char c) { return new DefaultGlyph(f, c); } - /** creates and returns a doublebuffer 'belonging' to owner; 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 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); } - protected Picture _createPicture(int[] b, int w, int h) { return null; } - - /** 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 Picture createPicture(JS 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); + if (refreshable) { + Surface.allSurfaces.addElement(ret); + ret.dirty(0, 0, b.width, b.height); + ret.Refresh(); + } + try { + if (b.get("titlebar") != null) ret.setTitleBarText((String)b.get("titlebar")); + } catch (JSExn e) { + Log.warn(Platform.class, e); + } 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; } + + /** a string describing the VM */ + protected String getDescriptiveName() { return "Generic Java 1.1 VM"; } + + /** invoked after initialization messages have been printed; useful for additional platform detection log messages */ + protected void postInit() { } /** the human-readable name of the key mapped to XWT's 'alt' key */ public static String altKeyName() { return platform._altKeyName(); } @@ -160,12 +147,13 @@ public class Platform { 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); } + public static void criticalAbort(String message) { + Log.info(Platform.class, "Critical Abort:"); + Log.info(Platform.class, message); + platform._criticalAbort(message); + } /** if true, org.xwt.Surface will generate a Click automatically after a press and a release */ public static boolean needsAutoClick() { return platform._needsAutoClick(); } @@ -181,9 +169,7 @@ public class Platform { /** returns an InputStream to the builtin xwar */ public static InputStream getBuiltinInputStream() { return platform._getBuiltinInputStream(); } - protected InputStream _getBuiltinInputStream() { - return this.getClass().getClassLoader().getResourceAsStream("org/xwt/builtin.jar"); - } + protected InputStream _getBuiltinInputStream() {return getClass().getClassLoader().getResourceAsStream("org/xwt/builtin.jar");} /** returns the value of the environment variable key, or null if no such key exists */ public static String getEnv(String key) { return platform._getEnv(key); } @@ -208,107 +194,94 @@ public class Platform { 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); + Log.info(this, "Exception while reading from environment:"); + 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; + 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 */ + protected void _newBrowserWindow(String url) { try { - return platform._fileDialog(suggestedFileName, write); - } finally { - ThreadMessage.resumeThread(); + Class c = Class.forName("edu.stanford.ejalbert.BrowserLauncher"); + Method m = c.getMethod("openURL", new Class[] { String.class }); + m.invoke(null, new String[] { url }); + } catch (Exception e) { + Log.warn(this, "exception trying to open a browser window"); + Log.warn(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"); + Log.info(Platform.class, "xwt.newBrowserWindow() only supports http and https urls"); return; } - // check the URL for well-formedness, as a defense against buffer overflow attacks try { String u = url; 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); + Log.info(Platform.class, "URL " + url + " is not well-formed"); + Log.info(Platform.class, e); } - - if (Log.on) Log.log(Platform.class, "newBrowserWindow, url = " + url); + Log.info(Platform.class, "newBrowserWindow, url = " + url); platform._newBrowserWindow(url); } - protected void _newBrowserWindow(String url) { - if (Log.on) Log.log(this, "Platform " + platform.getClass().getName() + " cannot open browser windows"); - } - - /** 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); - 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); - b.width = b.height < Surface.scarPicture.getWidth() ? Surface.scarPicture.getWidth() : b.width; - b.height = b.height < Surface.scarPicture.getHeight() ? Surface.scarPicture.getHeight() : b.height; - ret.setInvisible(false); - - Object titlebar = b.get("titlebar", true); - if (titlebar != null) ret.setTitleBarText(titlebar.toString()); - - /* FIXME - Object icon = b.get("icon", true); - if (icon != null && !"".equals(icon)) { - Picture pic = ImageDecoder.getPicture(icon.toString()); - 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(); + 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"); + 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) { + Picture p = createPicture(null); + p.data = new int[data.length]; + for(int i=0; i