| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.program; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.gnome.*; |
| import org.eclipse.swt.internal.cde.*; |
| import org.eclipse.swt.internal.motif.*; |
| import org.eclipse.swt.widgets.*; |
| |
| import java.io.*; |
| import java.util.*; |
| |
| /** |
| * Instances of this class represent programs and |
| * their assoicated file extensions in the operating |
| * system. |
| */ |
| public final class Program { |
| String name; |
| String command; |
| String iconPath; |
| Display display; |
| |
| /* Gnome specific |
| * true if command expects a URI |
| * false if expects a path |
| */ |
| boolean gnomeExpectUri; |
| |
| static final String SHELL_HANDLE_KEY = "org.eclipse.swt.internal.motif.shellHandle"; |
| static final String[] CDE_ICON_EXT = { ".m.pm", ".l.pm", ".s.pm", ".t.pm" }; |
| static final String[] CDE_MASK_EXT = { ".m_m.bm", ".l_m.bm", ".s_m.bm", ".t_m.bm" }; |
| static final String DESKTOP_DATA = "Program_DESKTOP"; |
| static final String ICON_THEME_DATA = "Program_GNOME_ICON_THEME"; |
| static final int DESKTOP_UNKNOWN = 0; |
| static final int DESKTOP_GNOME = 1; |
| static final int DESKTOP_GNOME_24 = 2; |
| static final int DESKTOP_CDE = 3; |
| static final int PREFERRED_ICON_SIZE = 16; |
| |
| /** |
| * Prevents uninitialized instances from being created outside the package. |
| */ |
| Program() { |
| } |
| |
| /* Determine the desktop for the given display. */ |
| static int getDesktop(final Display display) { |
| if (display == null) return DESKTOP_UNKNOWN; |
| Integer desktopValue = (Integer)display.getData(DESKTOP_DATA); |
| if (desktopValue != null) return desktopValue.intValue(); |
| int desktop = DESKTOP_UNKNOWN; |
| |
| /* Get the list of properties on the root window. */ |
| int /*long*/ xDisplay = display.xDisplay; |
| int /*long*/ rootWindow = OS.XDefaultRootWindow(xDisplay); |
| int[] numProp = new int[1]; |
| int /*long*/ propList = OS.XListProperties(xDisplay, rootWindow, numProp); |
| int /*long*/ [] property = new int /*long*/ [numProp[0]]; |
| if (propList != 0) { |
| OS.memmove(property, propList, (property.length * OS.PTR_SIZEOF)); |
| OS.XFree(propList); |
| } |
| |
| /* |
| * Feature in Linux Desktop. There is currently no official way to |
| * determine whether the Gnome window manager or gnome-vfs is |
| * available. Earlier versions including Red Hat 9 and Suse 9 provide |
| * a documented Gnome specific property on the root window |
| * WIN_SUPPORTING_WM_CHECK. This property is no longer supported in newer |
| * versions such as Fedora Core 2. |
| * The workaround is to simply check that the window manager is a |
| * compliant one (property _NET_SUPPORTING_WM_CHECK) and to attempt to load |
| * our native library that depends on gnome-vfs. |
| */ |
| if (desktop == DESKTOP_UNKNOWN) { |
| byte[] gnomeName = Converter.wcsToMbcs(null, "_NET_SUPPORTING_WM_CHECK", true); |
| int /*long*/ gnome = OS.XInternAtom(xDisplay, gnomeName, true); |
| if (gnome != OS.None && gnome_init()) { |
| desktop = DESKTOP_GNOME; |
| int /*long*/ icon_theme = GNOME.gnome_icon_theme_new(); |
| display.setData(ICON_THEME_DATA, new Integer(icon_theme)); |
| display.addListener(SWT.Dispose, new Listener() { |
| public void handleEvent(Event event) { |
| Integer gnomeIconTheme = (Integer)display.getData(ICON_THEME_DATA); |
| if (gnomeIconTheme == null) return; |
| display.setData(ICON_THEME_DATA, null); |
| int iconThemeValue = gnomeIconTheme.intValue(); |
| /* |
| * Note. gnome_icon_theme_new uses g_object_new to allocate the |
| * data it returns. Use g_object_unref to free the pointer it returns. |
| */ |
| if (iconThemeValue != 0) GNOME.g_object_unref(iconThemeValue); |
| } |
| }); |
| /* Check for libgnomevfs-2 version 2.4 */ |
| byte[] libgnomevfs = Converter.wcsToMbcs(null, "libgnomevfs-2.so.0", true); |
| int /*long*/ libgnomevfs_handle = GNOME.dlopen(libgnomevfs, 1); |
| if (libgnomevfs_handle != 0) { |
| byte[] gnome_vfs_url_show = Converter.wcsToMbcs(null, "gnome_vfs_url_show", true); |
| int /*long*/ gnome_vfs_url_show_handle = GNOME.dlsym(libgnomevfs_handle, gnome_vfs_url_show); |
| if (gnome_vfs_url_show_handle != 0) { |
| desktop = DESKTOP_GNOME_24; |
| } |
| GNOME.dlclose(libgnomevfs_handle); |
| } |
| } |
| } |
| |
| /* |
| * On CDE, the atom below may exist without DTWM running. If the atom |
| * below is defined, the CDE database exists and the available |
| * applications can be queried. |
| */ |
| if (desktop == DESKTOP_UNKNOWN) { |
| byte[] cdeName = Converter.wcsToMbcs(null, "_DT_SM_PREFERENCES", true); |
| int /*long*/ cde = OS.XInternAtom(xDisplay, cdeName, true); |
| for (int index = 0; desktop == DESKTOP_UNKNOWN && index < property.length; index++) { |
| if (property[index] == OS.None) continue; /* do not match atoms that do not exist */ |
| if (property[index] == cde && cde_init(display)) desktop = DESKTOP_CDE; |
| } |
| } |
| |
| display.setData(DESKTOP_DATA, new Integer(desktop)); |
| return desktop; |
| } |
| |
| boolean cde_execute(String fileName) { |
| /* Use the character encoding for the default locale */ |
| byte[] action = Converter.wcsToMbcs(null, command, true); |
| byte[] fileArg = Converter.wcsToMbcs(null, fileName, true); |
| Integer shell = (Integer)display.getData(SHELL_HANDLE_KEY); |
| long actionID = 0; |
| if (shell != null) { |
| int ptr = OS.XtMalloc(fileArg.length); |
| OS.memmove(ptr, fileArg, fileArg.length); |
| DtActionArg args = new DtActionArg(); |
| args.argClass = CDE.DtACTION_FILE; |
| args.name = ptr; |
| actionID = CDE.DtActionInvoke(shell.intValue(), action, args, 1, null, null, null, 1, 0, 0); |
| OS.XtFree(ptr); |
| } |
| return actionID != 0; |
| } |
| |
| static String cde_getAction(String dataType) { |
| String action = null; |
| String actions = cde_getAttribute(dataType, CDE.DtDTS_DA_ACTION_LIST); |
| if (actions != null) { |
| int index = actions.indexOf("Open"); |
| if (index != -1) { |
| action = actions.substring(index, index + 4); |
| } else { |
| index = actions.indexOf(","); |
| action = index != -1 ? actions.substring(0, index) : actions; |
| } |
| } |
| return action; |
| } |
| |
| static String cde_getAttribute(String dataType, String attrName) { |
| /* Use the character encoding for the default locale */ |
| byte[] dataTypeBuf = Converter.wcsToMbcs(null, dataType, true); |
| byte[] attrNameBuf = Converter.wcsToMbcs(null, attrName, true); |
| byte[] optNameBuf = null; |
| int /*long*/ attrValue = CDE.DtDtsDataTypeToAttributeValue(dataTypeBuf, attrNameBuf, optNameBuf); |
| if (attrValue == 0) return null; |
| int length = OS.strlen(attrValue); |
| byte[] attrValueBuf = new byte[length]; |
| OS.memmove(attrValueBuf, attrValue, length); |
| CDE.DtDtsFreeAttributeValue(attrValue); |
| /* Use the character encoding for the default locale */ |
| return new String(Converter.mbcsToWcs(null, attrValueBuf)); |
| } |
| |
| static Hashtable cde_getDataTypeInfo() { |
| Hashtable dataTypeInfo = new Hashtable(); |
| int index; |
| int /*long*/ dataTypeList = CDE.DtDtsDataTypeNames(); |
| if (dataTypeList != 0) { |
| /* For each data type name in the list */ |
| index = 0; |
| int /*long*/ [] dataType = new int /*long*/ [1]; |
| OS.memmove(dataType, dataTypeList + (index++ * 4), 4); |
| while (dataType[0] != 0) { |
| int length = OS.strlen(dataType[0]); |
| byte[] dataTypeBuf = new byte[length]; |
| OS.memmove(dataTypeBuf, dataType[0], length); |
| /* Use the character encoding for the default locale */ |
| String dataTypeName = new String(Converter.mbcsToWcs(null, dataTypeBuf)); |
| |
| /* The data type is valid if it is not an action, and it has an extension and an action. */ |
| String extension = cde_getExtension(dataTypeName); |
| if (!CDE.DtDtsDataTypeIsAction(dataTypeBuf) && |
| extension != null && cde_getAction(dataTypeName) != null) { |
| Vector exts = new Vector(); |
| exts.addElement(extension); |
| dataTypeInfo.put(dataTypeName, exts); |
| } |
| OS.memmove(dataType, dataTypeList + (index++ * 4), 4); |
| } |
| CDE.DtDtsFreeDataTypeNames(dataTypeList); |
| } |
| |
| return dataTypeInfo; |
| } |
| |
| static String cde_getExtension(String dataType) { |
| String fileExt = cde_getAttribute(dataType, CDE.DtDTS_DA_NAME_TEMPLATE); |
| if (fileExt == null || fileExt.indexOf("%s.") == -1) return null; |
| int dot = fileExt.indexOf("."); |
| return fileExt.substring(dot); |
| } |
| |
| /** |
| * CDE - Get Image Data |
| * |
| * This method returns the image data of the icon associated with |
| * the data type. Since CDE supports multiple sizes of icons, several |
| * attempts are made to locate an icon of the desired size and format. |
| * CDE supports the sizes: tiny, small, medium and large. The best |
| * search order is medium, large, small and then tiny. Althoug CDE supports |
| * colour and monochrome bitmaps, only colour icons are tried. (The order is |
| * defined by the cdeIconExt and cdeMaskExt arrays above.) |
| */ |
| ImageData cde_getImageData() { |
| if (iconPath == null) return null; |
| int xDisplay = display.xDisplay; |
| int screen = OS.XDefaultScreenOfDisplay(xDisplay); |
| int fgPixel = OS.XWhitePixel(display.xDisplay, OS.XDefaultScreen(xDisplay)); |
| int bgPixel = OS.XBlackPixel(display.xDisplay, OS.XDefaultScreen(xDisplay)); |
| byte[] iconName; |
| byte[] maskName = null; |
| int pixmap = 0; |
| for (int index = 0; index < CDE_ICON_EXT.length && pixmap == 0; index++) { |
| /* Use the character encoding for the default locale */ |
| iconName = Converter.wcsToMbcs(null, iconPath + CDE_ICON_EXT[index], true); |
| maskName = Converter.wcsToMbcs(null, iconPath + CDE_MASK_EXT[index], true); |
| pixmap = OS.XmGetPixmap(screen, iconName, fgPixel, bgPixel); |
| if (pixmap == OS.XmUNSPECIFIED_PIXMAP) pixmap = 0; |
| } |
| if (pixmap != 0) { |
| int type = SWT.ICON; |
| /* When creating the mask pixmap, do not use the screen's white and black |
| * pixel for the foreground and background respectively, because on some |
| * X servers (e.g., Solaris) pixel 0 is white and pixel 1 is black. Passing |
| * (screen, name, whitePixel, blackPixel, 1) to get the mask pixmap will |
| * result in an inverted mask. Instead explicitly use 1 (FG) and 0 (BG). |
| */ |
| int mask = OS.XmGetPixmapByDepth(screen, maskName, 1, 0, 1); |
| if (mask == OS.XmUNSPECIFIED_PIXMAP) { |
| type = SWT.BITMAP; |
| mask = 0; |
| } |
| Image image = Image.motif_new(display, type, pixmap, mask); |
| ImageData imageData = image.getImageData(); |
| |
| /* The pixmaps returned from XmGetPixmap... are cached by Motif |
| * and must be deleted by XmDestroyPixmap. Because they cannot |
| * be deleted directly by XFreePixmap, image.dispose() must not |
| * be called. The following code should do an equivalent image.dispose(). |
| */ |
| OS.XmDestroyPixmap(screen, pixmap); |
| if (mask != 0) OS.XmDestroyPixmap(screen, mask); |
| return imageData; |
| } |
| return null; |
| } |
| |
| static String cde_getMimeType(String extension) { |
| String mimeType = null; |
| Hashtable mimeInfo = cde_getDataTypeInfo(); |
| if (mimeInfo == null) return null; |
| Enumeration keys = mimeInfo.keys(); |
| while (mimeType == null && keys.hasMoreElements()) { |
| String type = (String)keys.nextElement(); |
| Vector mimeExts = (Vector)mimeInfo.get(type); |
| for (int index = 0; index < mimeExts.size(); index++){ |
| if (extension.equals(mimeExts.elementAt(index))) { |
| mimeType = type; |
| break; |
| } |
| } |
| } |
| return mimeType; |
| } |
| |
| static Program cde_getProgram(Display display, String mimeType) { |
| Program program = new Program(); |
| program.display = display; |
| program.name = mimeType; |
| program.command = cde_getAction(mimeType); |
| program.iconPath = cde_getAttribute(program.name, CDE.DtDTS_DA_ICON); |
| return program; |
| } |
| |
| static boolean cde_init(Display display) { |
| try { |
| Library.loadLibrary("swt-cde"); |
| } catch (Throwable e) { |
| return false; |
| } |
| |
| /* Use the character encoding for the default locale */ |
| byte[] appName = Converter.wcsToMbcs(null, "SWT", true); |
| int xtContext = OS.XtDisplayToApplicationContext(display.xDisplay); |
| Integer shell = (Integer)display.getData(SHELL_HANDLE_KEY); |
| boolean initOK = CDE.DtAppInitialize(xtContext, display.xDisplay, shell.intValue(), appName, appName); |
| if (initOK) CDE.DtDbLoad(); |
| return initOK; |
| } |
| |
| static String[] parseCommand(String cmd) { |
| Vector args = new Vector(); |
| int sIndex = 0; |
| int eIndex; |
| while (sIndex < cmd.length()) { |
| /* Trim initial white space of argument. */ |
| while (sIndex < cmd.length() && Compatibility.isWhitespace(cmd.charAt(sIndex))) { |
| sIndex++; |
| } |
| if (sIndex < cmd.length()) { |
| /* If the command is a quoted string */ |
| if (cmd.charAt(sIndex) == '"' || cmd.charAt(sIndex) == '\'') { |
| /* Find the terminating quote (or end of line). |
| * This code currently does not handle escaped characters (e.g., " a\"b"). |
| */ |
| eIndex = sIndex + 1; |
| while (eIndex < cmd.length() && cmd.charAt(eIndex) != cmd.charAt(sIndex)) eIndex++; |
| if (eIndex >= cmd.length()) { |
| /* The terminating quote was not found |
| * Add the argument as is with only one initial quote. |
| */ |
| args.addElement(cmd.substring(sIndex, eIndex)); |
| } else { |
| /* Add the argument, trimming off the quotes. */ |
| args.addElement(cmd.substring(sIndex + 1, eIndex)); |
| } |
| sIndex = eIndex + 1; |
| } |
| else { |
| /* Use white space for the delimiters. */ |
| eIndex = sIndex; |
| while (eIndex < cmd.length() && !Compatibility.isWhitespace(cmd.charAt(eIndex))) eIndex++; |
| args.addElement(cmd.substring(sIndex, eIndex)); |
| sIndex = eIndex + 1; |
| } |
| } |
| } |
| |
| String[] strings = new String[args.size()]; |
| for (int index =0; index < args.size(); index++) { |
| strings[index] = (String)args.elementAt(index); |
| } |
| return strings; |
| } |
| |
| /** |
| * GNOME 2.4 - Execute the program for the given file. |
| */ |
| boolean gnome_24_execute(String fileName) { |
| byte[] mimeTypeBuffer = Converter.wcsToMbcs(null, name, true); |
| int /*long*/ ptr = GNOME.gnome_vfs_mime_get_default_application(mimeTypeBuffer); |
| byte[] fileNameBuffer = Converter.wcsToMbcs(null, fileName, true); |
| int /*long*/ uri = GNOME.gnome_vfs_make_uri_from_input_with_dirs(fileNameBuffer, GNOME.GNOME_VFS_MAKE_URI_DIR_CURRENT); |
| int /*long*/ list = GNOME.g_list_append(0, uri); |
| int result = GNOME.gnome_vfs_mime_application_launch(ptr, list); |
| GNOME.gnome_vfs_mime_application_free(ptr); |
| GNOME.g_free(uri); |
| GNOME.g_list_free(list); |
| return result == GNOME.GNOME_VFS_OK; |
| } |
| |
| /** |
| * GNOME 2.4 - Launch the default program for the given file. |
| */ |
| static boolean gnome_24_launch(String fileName) { |
| byte[] fileNameBuffer = Converter.wcsToMbcs(null, fileName, true); |
| int /*long*/ uri = GNOME.gnome_vfs_make_uri_from_input_with_dirs(fileNameBuffer, GNOME.GNOME_VFS_MAKE_URI_DIR_CURRENT); |
| int result = GNOME.gnome_vfs_url_show(uri); |
| GNOME.g_free(uri); |
| return (result == GNOME.GNOME_VFS_OK); |
| } |
| |
| /** |
| * GNOME 2.2 - Execute the program for the given file. |
| */ |
| boolean gnome_execute(String fileName) { |
| if (gnomeExpectUri) { |
| /* Convert the given path into a URL */ |
| byte[] fileNameBuffer = Converter.wcsToMbcs(null, fileName, true); |
| int /*long*/ uri = GNOME.gnome_vfs_make_uri_from_input(fileNameBuffer); |
| if (uri != 0) { |
| int length = OS.strlen(uri); |
| if (length > 0) { |
| byte[] buffer = new byte[length]; |
| OS.memmove(buffer, uri, length); |
| fileName = new String(Converter.mbcsToWcs(null, buffer)); |
| } |
| GNOME.g_free(uri); |
| } |
| } |
| |
| /* Parse the command into its individual arguments. */ |
| String[] args = parseCommand(command); |
| int fileArg = -1; |
| int index; |
| for (index = 0; index < args.length; index++) { |
| int j = args[index].indexOf("%f"); |
| if (j != -1) { |
| String value = args[index]; |
| fileArg = index; |
| args[index] = value.substring(0, j) + fileName + value.substring(j + 2); |
| } |
| } |
| |
| /* If a file name was given but the command did not have "%f" */ |
| if ((fileName.length() > 0) && (fileArg < 0)) { |
| String[] newArgs = new String[args.length + 1]; |
| for (index = 0; index < args.length; index++) newArgs[index] = args[index]; |
| newArgs[args.length] = fileName; |
| args = newArgs; |
| } |
| |
| /* Execute the command. */ |
| try { |
| Compatibility.exec(args); |
| } catch (IOException e) { |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * GNOME - Get Image Data |
| * |
| */ |
| ImageData gnome_getImageData() { |
| if (iconPath == null) return null; |
| try { |
| return new ImageData(iconPath); |
| } catch (Exception e) {} |
| return null; |
| } |
| |
| /** |
| * GNOME - Get mime types |
| * |
| * Obtain the registered mime type information and |
| * return it in a map. The key of each entry |
| * in the map is the mime type name. The value is |
| * a vector of the associated file extensions. |
| */ |
| static Hashtable gnome_getMimeInfo() { |
| Hashtable mimeInfo = new Hashtable(); |
| int /*long*/[] mimeData = new int /*long*/[1]; |
| int /*long*/[] extensionData = new int /*long*/[1]; |
| int /*long*/ mimeList = GNOME.gnome_vfs_get_registered_mime_types(); |
| int /*long*/ mimeElement = mimeList; |
| while (mimeElement != 0) { |
| OS.memmove (mimeData, mimeElement, OS.PTR_SIZEOF); |
| int /*long*/ mimePtr = mimeData[0]; |
| int mimeLength = OS.strlen(mimePtr); |
| byte[] mimeTypeBuffer = new byte[mimeLength]; |
| OS.memmove(mimeTypeBuffer, mimePtr, mimeLength); |
| String mimeType = new String(Converter.mbcsToWcs(null, mimeTypeBuffer)); |
| int /*long*/ extensionList = GNOME.gnome_vfs_mime_get_extensions_list(mimePtr); |
| if (extensionList != 0) { |
| Vector extensions = new Vector(); |
| int /*long*/ extensionElement = extensionList; |
| while (extensionElement != 0) { |
| OS.memmove(extensionData, extensionElement, OS.PTR_SIZEOF); |
| int /*long*/ extensionPtr = extensionData[0]; |
| int extensionLength = OS.strlen(extensionPtr); |
| byte[] extensionBuffer = new byte[extensionLength]; |
| OS.memmove(extensionBuffer, extensionPtr, extensionLength); |
| String extension = new String(Converter.mbcsToWcs(null, extensionBuffer)); |
| extension = '.' + extension; |
| extensions.addElement(extension); |
| extensionElement = GNOME.g_list_next(extensionElement); |
| } |
| GNOME.gnome_vfs_mime_extensions_list_free(extensionList); |
| if (extensions.size() > 0) mimeInfo.put(mimeType, extensions); |
| } |
| mimeElement = GNOME.g_list_next(mimeElement); |
| } |
| if (mimeList != 0) GNOME.gnome_vfs_mime_registered_mime_type_list_free(mimeList); |
| return mimeInfo; |
| } |
| |
| static String gnome_getMimeType(String extension) { |
| String mimeType = null; |
| String fileName = "swt" + extension; |
| byte[] extensionBuffer = Converter.wcsToMbcs(null, fileName, true); |
| int /*long*/ typeName = GNOME.gnome_vfs_mime_type_from_name(extensionBuffer); |
| if (typeName != 0) { |
| int length = OS.strlen(typeName); |
| if (length > 0) { |
| byte [] buffer = new byte[length]; |
| OS.memmove(buffer, typeName, length); |
| mimeType = new String(Converter.mbcsToWcs(null, buffer)); |
| } |
| } |
| return mimeType; |
| } |
| |
| static Program gnome_getProgram(Display display, String mimeType) { |
| Program program = null; |
| byte[] mimeTypeBuffer = Converter.wcsToMbcs(null, mimeType, true); |
| int /*long*/ ptr = GNOME.gnome_vfs_mime_get_default_application(mimeTypeBuffer); |
| if (ptr != 0) { |
| program = new Program(); |
| program.display = display; |
| program.name = mimeType; |
| GnomeVFSMimeApplication application = new GnomeVFSMimeApplication(); |
| GNOME.memmove(application, ptr, GnomeVFSMimeApplication.sizeof); |
| int length = OS.strlen(application.command); |
| byte[] buffer = new byte[length]; |
| OS.memmove(buffer, application.command, length); |
| program.command = new String(Converter.mbcsToWcs(null, buffer)); |
| program.gnomeExpectUri = application.expects_uris == GNOME.GNOME_VFS_MIME_APPLICATION_ARGUMENT_TYPE_URIS; |
| |
| length = OS.strlen(application.id); |
| buffer = new byte[length + 1]; |
| OS.memmove(buffer, application.id, length); |
| Integer gnomeIconTheme = (Integer)display.getData(ICON_THEME_DATA); |
| int iconThemeValue = gnomeIconTheme.intValue(); |
| int /*long*/ icon_name = GNOME.gnome_icon_lookup(iconThemeValue, 0, null, buffer, 0, mimeTypeBuffer, |
| GNOME.GNOME_ICON_LOOKUP_FLAGS_NONE, null); |
| int /*long*/ path = 0; |
| if (icon_name != 0) path = GNOME.gnome_icon_theme_lookup_icon(iconThemeValue, icon_name, PREFERRED_ICON_SIZE, null, null); |
| if (path != 0) { |
| length = OS.strlen(path); |
| if (length > 0) { |
| buffer = new byte[length]; |
| OS.memmove(buffer, path, length); |
| program.iconPath = new String(Converter.mbcsToWcs(null, buffer)); |
| } |
| GNOME.g_free(path); |
| } |
| if (icon_name != 0) GNOME.g_free(icon_name); |
| GNOME.gnome_vfs_mime_application_free(ptr); |
| } |
| return program; |
| } |
| |
| static boolean gnome_init() { |
| try { |
| return GNOME.gnome_vfs_init(); |
| } catch (Throwable e) { |
| return false; |
| } |
| } |
| |
| /** |
| * Finds the program that is associated with an extension. |
| * The extension may or may not begin with a '.'. Note that |
| * a <code>Display</code> must already exist to guarantee that |
| * this method returns an appropriate result. |
| * |
| * @param extension the program extension |
| * @return the program or <code>null</code> |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT when extension is null</li> |
| * </ul> |
| */ |
| public static Program findProgram(String extension) { |
| return findProgram(Display.getCurrent(), extension); |
| } |
| |
| /* |
| * API: When support for multiple displays is added, this method will |
| * become public and the original method above can be deprecated. |
| */ |
| static Program findProgram(Display display, String extension) { |
| if (extension == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| if (extension.length() == 0) return null; |
| if (extension.charAt(0) != '.') extension = "." + extension; |
| int desktop = getDesktop(display); |
| String mimeType = null; |
| switch (desktop) { |
| case DESKTOP_GNOME_24: |
| case DESKTOP_GNOME: mimeType = gnome_getMimeType(extension); break; |
| case DESKTOP_CDE: mimeType = cde_getMimeType(extension); break; |
| } |
| if (mimeType == null) return null; |
| Program program = null; |
| switch (desktop) { |
| case DESKTOP_GNOME_24: |
| case DESKTOP_GNOME: program = gnome_getProgram(display, mimeType); break; |
| case DESKTOP_CDE: program = cde_getProgram(display, mimeType); break; |
| } |
| return program; |
| } |
| |
| /** |
| * Answer all program extensions in the operating system. Note |
| * that a <code>Display</code> must already exist to guarantee |
| * that this method returns an appropriate result. |
| * |
| * @return an array of extensions |
| */ |
| public static String[] getExtensions() { |
| return getExtensions(Display.getCurrent()); |
| } |
| |
| /* |
| * API: When support for multiple displays is added, this method will |
| * become public and the original method above can be deprecated. |
| */ |
| static String[] getExtensions(Display display) { |
| int desktop = getDesktop(display); |
| Hashtable mimeInfo = null; |
| switch (desktop) { |
| case DESKTOP_GNOME_24: break; |
| case DESKTOP_GNOME: mimeInfo = gnome_getMimeInfo(); break; |
| case DESKTOP_CDE: mimeInfo = cde_getDataTypeInfo(); break; |
| } |
| if (mimeInfo == null) return new String[0]; |
| |
| /* Create a unique set of the file extensions. */ |
| Vector extensions = new Vector(); |
| Enumeration keys = mimeInfo.keys(); |
| while (keys.hasMoreElements()) { |
| String mimeType = (String)keys.nextElement(); |
| Vector mimeExts = (Vector)mimeInfo.get(mimeType); |
| for (int index = 0; index < mimeExts.size(); index++){ |
| if (!extensions.contains(mimeExts.elementAt(index))) { |
| extensions.addElement(mimeExts.elementAt(index)); |
| } |
| } |
| } |
| |
| /* Return the list of extensions. */ |
| String[] extStrings = new String[extensions.size()]; |
| for (int index = 0; index < extensions.size(); index++) { |
| extStrings[index] = (String)extensions.elementAt(index); |
| } |
| return extStrings; |
| } |
| |
| /** |
| * Answers all available programs in the operating system. Note |
| * that a <code>Display</code> must already exist to guarantee |
| * that this method returns an appropriate result. |
| * |
| * @return an array of programs |
| */ |
| public static Program[] getPrograms() { |
| return getPrograms(Display.getCurrent()); |
| } |
| |
| /* |
| * API: When support for multiple displays is added, this method will |
| * become public and the original method above can be deprecated. |
| */ |
| static Program[] getPrograms(Display display) { |
| int desktop = getDesktop(display); |
| Hashtable mimeInfo = null; |
| switch (desktop) { |
| case DESKTOP_GNOME_24: break; |
| case DESKTOP_GNOME: mimeInfo = gnome_getMimeInfo(); break; |
| case DESKTOP_CDE: mimeInfo = cde_getDataTypeInfo(); break; |
| } |
| if (mimeInfo == null) return new Program[0]; |
| Vector programs = new Vector(); |
| Enumeration keys = mimeInfo.keys(); |
| while (keys.hasMoreElements()) { |
| String mimeType = (String)keys.nextElement(); |
| Program program = null; |
| switch (desktop) { |
| case DESKTOP_GNOME: program = gnome_getProgram(display, mimeType); break; |
| case DESKTOP_CDE: program = cde_getProgram(display, mimeType); break; |
| } |
| if (program != null) programs.addElement(program); |
| } |
| Program[] programList = new Program[programs.size()]; |
| for (int index = 0; index < programList.length; index++) { |
| programList[index] = (Program)programs.elementAt(index); |
| } |
| return programList; |
| } |
| |
| /** |
| * Launches the executable associated with the file in |
| * the operating system. If the file is an executable, |
| * then the executable is launched. Note that a <code>Display</code> |
| * must already exist to guarantee that this method returns |
| * an appropriate result. |
| * |
| * @param fileName the file or program name |
| * @return <code>true</code> if the file is launched, otherwise <code>false</code> |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT when fileName is null</li> |
| * </ul> |
| */ |
| public static boolean launch(String fileName) { |
| return launch(Display.getCurrent(), fileName); |
| } |
| |
| /* |
| * API: When support for multiple displays is added, this method will |
| * become public and the original method above can be deprecated. |
| */ |
| static boolean launch(Display display, String fileName) { |
| if (fileName == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| |
| /* If the argument appears to be a data file (it has an extension) */ |
| int index = fileName.lastIndexOf('.'); |
| if (index > 0) { |
| switch(getDesktop(display)) { |
| case DESKTOP_GNOME_24: |
| if (gnome_24_launch(fileName)) return true; |
| default: |
| /* Find the associated program, if one is defined. */ |
| String extension = fileName.substring(index); |
| Program program = Program.findProgram(display, extension); |
| |
| /* If the associated program is defined and can be executed, return. */ |
| if (program != null && program.execute(fileName)) return true; |
| break; |
| } |
| } |
| |
| /* Otherwise, the argument was the program itself. */ |
| try { |
| Compatibility.exec(fileName); |
| return true; |
| } catch (IOException e) { |
| return false; |
| } |
| } |
| |
| /** |
| * Compares the argument to the receiver, and returns true |
| * if they represent the <em>same</em> object using a class |
| * specific comparison. |
| * |
| * @param other the object to compare with this object |
| * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise |
| * |
| * @see #hashCode() |
| */ |
| public boolean equals(Object other) { |
| if (this == other) return true; |
| if (!(other instanceof Program)) return false; |
| Program program = (Program)other; |
| return display == program.display && name.equals(program.name) && command.equals(program.command); |
| } |
| |
| /** |
| * Executes the program with the file as the single argument |
| * in the operating system. It is the responsibility of the |
| * programmer to ensure that the file contains valid data for |
| * this program. |
| * |
| * @param fileName the file or program name |
| * @return <code>true</code> if the file is launched, otherwise <code>false</code> |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT when fileName is null</li> |
| * </ul> |
| */ |
| public boolean execute(String fileName) { |
| if (fileName == null) SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| int desktop = getDesktop(display); |
| switch (desktop) { |
| case DESKTOP_GNOME_24: return gnome_24_execute(fileName); |
| case DESKTOP_GNOME: return gnome_execute(fileName); |
| case DESKTOP_CDE: return cde_execute(fileName); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the receiver's image data. This is the icon |
| * that is associated with the reciever in the operating |
| * system. |
| * |
| * @return the image data for the program, may be null |
| */ |
| public ImageData getImageData() { |
| switch (getDesktop(display)) { |
| case DESKTOP_GNOME_24: |
| case DESKTOP_GNOME: return gnome_getImageData(); |
| case DESKTOP_CDE: return cde_getImageData(); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the receiver's name. This is as short and |
| * descriptive a name as possible for the program. If |
| * the program has no descriptive name, this string may |
| * be the executable name, path or empty. |
| * |
| * @return the name of the program |
| */ |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * Returns an integer hash code for the receiver. Any two |
| * objects that return <code>true</code> when passed to |
| * <code>equals</code> must return the same value for this |
| * method. |
| * |
| * @return the receiver's hash |
| * |
| * @see #equals(Object) |
| */ |
| public int hashCode() { |
| return name.hashCode() ^ command.hashCode() ^ display.hashCode(); |
| } |
| |
| /** |
| * Returns a string containing a concise, human-readable |
| * description of the receiver. |
| * |
| * @return a string representation of the event |
| */ |
| public String toString() { |
| return "Program {" + name + "}"; |
| } |
| } |