X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2FPlatform.java;h=e400c5e759e50ffdbb1d40943c578c2e9b5fe0c0;hb=399e5e342616a30e6aa83a2d15bf5217a8c23067;hp=6f7771f2c77d0d2b22bec365662ab964037695e2;hpb=ac49a62b989af76577f5b62e5afd58e7972623b4;p=org.ibex.core.git diff --git a/src/org/xwt/Platform.java b/src/org/xwt/Platform.java index 6f7771f..e400c5e 100644 --- a/src/org/xwt/Platform.java +++ b/src/org/xwt/Platform.java @@ -1,4 +1,4 @@ -// Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL] +// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL] package org.xwt; import java.lang.reflect.*; @@ -17,32 +17,21 @@ 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; - - /** true if proxy autodetection has already been run */ - static boolean alreadyDetectedProxy = false; + public Platform() { platform = this; } - /** the result of proxy autodetection */ - static 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 @@ -57,7 +46,7 @@ public class Platform { String os_version = System.getProperty("os.version", ""); String platform_class = null; - if (os_name.startsWith("Darwin")) platform_class = "Carbon"; + if (os_name.startsWith("Darwin")) platform_class = "Darwin"; else if (vendor.startsWith("Free Software Foundation")) { if (os_name.startsWith("Window")) platform_class = "Win32"; else platform_class = "X11"; @@ -65,154 +54,118 @@ public class Platform { 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"); + // 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 owner; we need to associate DoubleBuffers to surfaces - * due to AWT 1.1 requirements (definately for Navigator, possibly also for MSJVM). - */ - protected DoubleBuffer _createDoubleBuffer(int w, int h, Surface owner) { return null; } - - /** creates and returns a new surface */ 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; } + protected Font.Glyph _createGlyph(org.xwt.Font f, char c) { return new DefaultGlyph(f, c); } - /** creates a socket object */ - 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; } - /** creates and returns a picture */ - protected Picture _createPicture(int[] b, int w, int h) { return null; } - - /** should return true if it is safe to supress full-surface dirties immediately after a window resize */ - 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(); } protected String _altKeyName() { return "alt"; } - /** opens a connection to the resource identified by URL u, and returns an InputStream */ - protected InputStream _urlToInputStream(URL u) throws IOException { return u.openStream(); } - /** returns the contents of the clipboard */ + public static Object getClipBoard() { return clipboardReadEnabled ? platform._getClipBoard() : null; } protected String _getClipBoard() { return null; } /** sets the contents of the clipboard */ + public static void setClipBoard(String s) { platform._setClipBoard(s); } protected void _setClipBoard(String s) { } /** returns the width of the screen, in pixels */ + public static int getScreenWidth() { return platform._getScreenWidth(); } protected int _getScreenWidth() { return 640; } /** returns the height of the screen, in pixels */ + public static int getScreenHeight() { return platform._getScreenHeight(); } protected int _getScreenHeight() { return 480; } - /** returns the width of a string in a platform-specific font */ - protected int _stringWidth(String font, String text) { return 10 * text.length(); } - - /** returns the maximum ascent of all glyphs in a given platform-specific font */ - protected int _getMaxAscent(String font) { return 10; } - - /** returns the maximum descent of all glyphs in a given platform-specific font */ - protected int _getMaxDescent(String font) { return 2; } - - /** returns a list of all platform-specific fonts available */ - protected String[] _listFonts() { return new String[] { }; } - - /** returns the maximum number of threads that the XWT engine can create without adversely affecting the host OS */ - protected int _maxThreads() { return 25; } - - /** creates a weak reference */ - protected org.xwt.Weak _getWeak(final Object o) { - return new org.xwt.Weak() { - public Object get() { return o; } - }; - } - - /** Called once XWT is initialized and the application is running. */ - protected void _running() {} - - /** quits XWT */ - protected void _exit() { System.exit(0); } - /** used to notify the user of very serious failures; usually used when logging is not working or unavailable */ - protected void _criticalAbort(String message) { _exit(); } - - /** used to notify the user of very serious failures; usually used when logging is not working or unavailable */ - protected String _getDefaultFont() { return "sansserif10"; } + protected void _criticalAbort(String message) { System.exit(-1); } /** if true, org.xwt.Surface will generate a Click automatically after a press and a release */ + public static boolean needsAutoClick() { return platform._needsAutoClick(); } protected boolean _needsAutoClick() { return false; } /** if true, org.xwt.Surface will generate a DoubleClick automatically after recieving two clicks in a short period of time */ + public static boolean needsAutoDoubleClick() { return platform._needsAutoDoubleClick(); } protected boolean _needsAutoDoubleClick() { return false; } - protected void _newBrowserWindow(String url) { - if (Log.on) Log.log(this, "Platform " + platform.getClass().getName() + " cannot open browser windows"); - return; - } - - /** Returns null if XWT should always use direct connection; otherwise returns a ProxyInfo object with proxy settings */ - protected synchronized Proxy _detectProxy() { return null; } - - /** 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; } - /** returns true iff the platform has a case-sensitive filesystem */ + public static boolean isCaseSensitive() { return platform._isCaseSensitive(); } protected boolean _isCaseSensitive() { return true; } /** returns an InputStream to the builtin xwar */ + public static InputStream getBuiltinInputStream() { return platform._getBuiltinInputStream(); } protected InputStream _getBuiltinInputStream() { - return Platform.class.getClassLoader().getResourceAsStream("org/xwt/builtin.xwar"); + return this.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); } protected String _getEnv(String key) { try { String os = System.getProperty("os.name").toLowerCase(); @@ -234,100 +187,37 @@ 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); + 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 */ - protected ImageDecoder _decodeJPEG(InputStream is, String name) { return null; } - - - // Static methods -- thunk to the instance ///////////////////////////////////////////////////////////////////////// + public static synchronized void decodeJPEG(InputStream is, Picture p) { platform._decodeJPEG(is, p); } + protected abstract void _decodeJPEG(InputStream is, Picture p); - /** if true, org.xwt.Surface should generate Click messages automatically when a Release happens after a Press and the mouse has not moved much */ - public static boolean needsAutoClick() { return platform._needsAutoClick(); } - - /** if true, org.xwt.Surface should generate DoubleClick messages automatically when needed */ - public static boolean needsAutoDoubleClick() { return platform._needsAutoDoubleClick(); } - - /** should return true if it is safe to supress full-surface dirties immediately after a window resize */ - public static String getDefaultFont() { return platform._getDefaultFont(); } - - /** should return true if it is safe to supress full-surface dirties immediately after a window resize */ - public static boolean supressDirtyOnResize() { return platform._supressDirtyOnResize(); } - - /** returns the width of a string in a platform-specific font */ - public static int stringWidth(String font, String text) { return platform._stringWidth(font, text); } - - /** returns the maximum ascent of all glyphs in a given platform-specific font */ - public static int getMaxAscent(String font) { return platform._getMaxAscent(font); } - - /** returns the maximum descent of all glyphs in a given platform-specific font. Three pixel minimum ensures space for underline. */ - public static int getMaxDescent(String font) { return Math.max(3, platform._getMaxDescent(font)); } - - /** 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(); } - - /** returns a list of all platform-specific fonts available */ - public static String[] listFonts() { return platform._listFonts(); } - - /** creates a weak reference */ - public static org.xwt.Weak getWeak(Object o) { return platform._getWeak(o); } - - /** opens a connection to the resource identified by URL u, and returns an InputStream */ - public static InputStream urlToInputStream(URL u) throws IOException { return platform._urlToInputStream(u); } - - /** returns the contents of the clipboard */ - public static Object getClipBoard() { return clipboardReadEnabled ? platform._getClipBoard() : null; } - - /** sets the contents of the clipboard */ - public static void setClipBoard(String s) { platform._setClipBoard(s); } - - /** creates a socket object, with or without ssl encryption */ - public static Socket getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException { - return platform._getSocket(host, port, ssl, negotiate); + /** 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) throws org.xwt.js.JSExn { + return platform._fileDialog(suggestedFileName, write); } - /** returns the width of the screen, in pixels */ - public static int getScreenWidth() { return platform._getScreenWidth(); } - - /** returns the height of the screen, in pixels */ - public static int getScreenHeight() { return platform._getScreenHeight(); } - - /** creates and returns a doublebuffer 'belonging' to owner */ - public static DoubleBuffer createDoubleBuffer(int w, int h, Surface s) { return platform._createDoubleBuffer(w, h, s); } - - /** creates and returns a picture */ - public static Picture createPicture(int[] data, int w, int h) { return platform._createPicture(data, w, h); } - - /** returns an InputStream to the builtin xwar */ - public static InputStream getBuiltinInputStream() { return platform._getBuiltinInputStream(); } - - /** creates and returns a picture */ - public static Picture createPicture(ImageDecoder i) { return platform._createPicture(i.getData(), i.getWidth(), i.getHeight()); } - - /** returns true iff the platform has a case-sensitive filesystem */ - public static boolean isCaseSensitive() { return platform._isCaseSensitive(); } - - /** 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); } - - /** displays a platform-specific "open file" dialog and returns the chosen filename, or null if the user hit cancel */ - public static String fileDialog(String suggestedFileName, boolean write) { - if (!ThreadMessage.suspendThread()) return null; + /** 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.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; } @@ -337,141 +227,62 @@ public class Platform { 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); } - /** Called once XWT is initialized and the application is running. */ - public static void running() { - Log.log(Platform.class, "XWT is running"); - platform._running(); - } - - /** quits XWT */ - public static void exit() { - Log.log(Platform.class, "exiting via Platform.exit()"); - platform._exit(); - } - - /** the human-readable name of the key mapped to XWT's 'alt' key */ - public static String altKeyName() { return platform._altKeyName(); } - /** 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 */ - public static Surface createSurface(Box b, boolean framed, boolean refreshable) { - Surface ret = platform._createSurface(b, framed); - ret.setInvisible(b.invisible); - b.width = b.height < Surface.scarPicture.getWidth() ? Surface.scarPicture.getWidth() : b.width; - b.height = b.height < Surface.scarPicture.getHeight() ? Surface.scarPicture.getHeight() : b.height; - - Object titlebar = b.get("titlebar", true); - if (titlebar != null) ret.setTitleBarText(titlebar.toString()); - - 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.refreshableSurfaceWasCreated = true; - Surface.allSurfaces.addElement(ret); - ret.dirty(0, 0, ret.width, ret.height); - ret.Refresh(); - } - return ret; - } - /** detects proxy settings */ - public static synchronized 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 = 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; - } - - public static synchronized ImageDecoder decodeJPEG(InputStream is, String name) { - return platform._decodeJPEG(is, name); - } - - // Helpful font parsing stuff ////////////////////////////////////////////////////// - - public static class ParsedFont { - public ParsedFont() { } - public ParsedFont(String s) { parse(s); } - public int size = 10; - public String name = ""; - - public boolean italic = false; - public boolean bold = false; - public boolean underline = false; - public boolean dotted_underline = false; - - private static int stoi(Object o) { - if (o == null) return 0; - if (o instanceof Integer) return ((Integer)o).intValue(); - - String s = o.toString(); - try { return Integer.parseInt(s.indexOf('.') == -1 ? s : s.substring(0, s.indexOf('.'))); } - catch (NumberFormatException e) { return 0; } - } - - public void parse(String font) { - int i = 0; - while(i < font.length() && !Character.isDigit(font.charAt(i)) && font.charAt(i) != '*') i++; - name = font.substring(0, i).toLowerCase().replace('_', ' '); - size = 10; - italic = false; - bold = false; - underline = false; - dotted_underline = false; - if (i != font.length()) { - if (font.charAt(i) == '*') { - size = 0; - i++; - } else { - int j = i; - while (j < font.length() && Character.isDigit(font.charAt(j))) j++; - if (i != j) size = stoi(font.substring(i, j)); - i = j; - } - while(i < font.length()) { - switch (font.charAt(i)) { - case 'b': bold = true; break; - case 'i': italic = true; break; - case 'd': dotted_underline = true; break; - case 'u': underline = true; break; - } - i++; - } + } + + /** 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