--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/browser/AppFileLocProvider.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,324 @@
+/*******************************************************************************
+ * Copyright (c) 2003, 2007 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
+ *******************************************************************************/
+module dwt.browser.AppFileLocProvider;
+
+import dwt.dwthelper.utils;
+
+import java.util.Vector;
+
+import dwt.internal.C;
+import dwt.internal.Compatibility;
+import dwt.internal.mozilla.XPCOM;
+import dwt.internal.mozilla.XPCOMObject;
+import dwt.internal.mozilla.nsEmbedString;
+import dwt.internal.mozilla.nsID;
+import dwt.internal.mozilla.nsIDirectoryServiceProvider;
+import dwt.internal.mozilla.nsIDirectoryServiceProvider2;
+import dwt.internal.mozilla.nsIFile;
+import dwt.internal.mozilla.nsILocalFile;
+import dwt.internal.mozilla.nsISupports;
+
+class AppFileLocProvider {
+    XPCOMObject supports;
+    XPCOMObject directoryServiceProvider;
+    XPCOMObject directoryServiceProvider2;  
+    int refCount = 0;
+    String mozillaPath, profilePath;
+    String[] pluginDirs;
+    bool isXULRunner;
+    
+    static final String SEPARATOR_OS = System.getProperty ("file.separator"); //$NON-NLS-1$
+    static final String CHROME_DIR = "chrome"; //$NON-NLS-1$
+    static final String COMPONENTS_DIR = "components"; //$NON-NLS-1$
+    static final String HISTORY_FILE = "history.dat"; //$NON-NLS-1$
+    static final String LOCALSTORE_FILE = "localstore.rdf"; //$NON-NLS-1$
+    static final String MIMETYPES_FILE = "mimeTypes.rdf"; //$NON-NLS-1$
+    static final String PLUGINS_DIR = "plugins"; //$NON-NLS-1$
+    static final String USER_PLUGINS_DIR = ".mozilla" + SEPARATOR_OS + "plugins"; //$NON-NLS-1$ //$NON-NLS-2$
+    static final String PREFERENCES_FILE = "prefs.js"; //$NON-NLS-1$
+    
+AppFileLocProvider (String path) {
+    mozillaPath = path + SEPARATOR_OS;
+    createCOMInterfaces ();
+}
+
+int AddRef () {
+    refCount++;
+    return refCount;
+}
+
+void createCOMInterfaces () {
+    /* Create each of the interfaces that this object implements */
+    supports = new XPCOMObject (new int[] {2, 0, 0}) {
+        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
+        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
+        public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
+    };
+    
+    directoryServiceProvider = new XPCOMObject (new int[] {2, 0, 0, 3}) {
+        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
+        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
+        public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
+        public int /*long*/ method3 (int /*long*/[] args) {return getFile (args[0], args[1], args[2]);}
+    };
+        
+    directoryServiceProvider2 = new XPCOMObject (new int[] {2, 0, 0, 3, 2}) {
+        public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
+        public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
+        public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
+        public int /*long*/ method3 (int /*long*/[] args) {return getFile (args[0], args[1], args[2]);}
+        public int /*long*/ method4 (int /*long*/[] args) {return getFiles (args[0], args[1]);}
+    };
+}
+
+void disposeCOMInterfaces () {
+    if (supports !is null) {
+        supports.dispose ();
+        supports = null;
+    }   
+    if (directoryServiceProvider !is null) {
+        directoryServiceProvider.dispose ();
+        directoryServiceProvider = null;    
+    }
+    if (directoryServiceProvider2 !is null) {
+        directoryServiceProvider2.dispose ();
+        directoryServiceProvider2 = null;   
+    }   
+}
+
+int /*long*/ getAddress () {
+    return directoryServiceProvider.getAddress ();
+}
+
+int QueryInterface (int /*long*/ riid, int /*long*/ ppvObject) {
+    if (riid is 0 || ppvObject is 0) return XPCOM.NS_ERROR_NO_INTERFACE;
+    nsID guid = new nsID ();
+    XPCOM.memmove (guid, riid, nsID.sizeof);
+    
+    if (guid.Equals (nsISupports.NS_ISUPPORTS_IID)) {
+        XPCOM.memmove (ppvObject, new int /*long*/[] {supports.getAddress ()}, C.PTR_SIZEOF);
+        AddRef ();
+        return XPCOM.NS_OK;
+    }
+    if (guid.Equals (nsIDirectoryServiceProvider.NS_IDIRECTORYSERVICEPROVIDER_IID)) {
+        XPCOM.memmove (ppvObject, new int /*long*/[] {directoryServiceProvider.getAddress ()}, C.PTR_SIZEOF);
+        AddRef ();
+        return XPCOM.NS_OK;
+    }
+    if (guid.Equals (nsIDirectoryServiceProvider2.NS_IDIRECTORYSERVICEPROVIDER2_IID)) {
+        XPCOM.memmove (ppvObject, new int /*long*/[] {directoryServiceProvider2.getAddress ()}, C.PTR_SIZEOF);
+        AddRef ();
+        return XPCOM.NS_OK;
+    }
+    
+    XPCOM.memmove (ppvObject, new int /*long*/[] {0}, C.PTR_SIZEOF);
+    return XPCOM.NS_ERROR_NO_INTERFACE;
+}
+
+int Release () {
+    refCount--;
+    if (refCount is 0) disposeCOMInterfaces ();
+    return refCount;
+}
+
+void setProfilePath (String path) {
+    profilePath = path;
+    if (!Compatibility.fileExists (path, "")) { //$NON-NLS-1$
+        int /*long*/[] result = new int /*long*/[1];
+        nsEmbedString pathString = new nsEmbedString (path);
+        int rc = XPCOM.NS_NewLocalFile (pathString.getAddress (), 1, result);
+        if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
+        if (result[0] is 0) Mozilla.error (XPCOM.NS_ERROR_NULL_POINTER);
+        pathString.dispose ();
+
+        nsILocalFile file = new nsILocalFile (result [0]);
+        rc = file.Create (nsILocalFile.DIRECTORY_TYPE, 0700);
+        if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
+        file.Release ();
+    }
+}
+
+/* nsIDirectoryServiceProvider2 */
+
+int getFiles (int /*long*/ prop, int /*long*/ _retval) {
+    int size = XPCOM.strlen (prop);
+    byte[] bytes = new byte[size];
+    XPCOM.memmove (bytes, prop, size);
+    String propertyName = new String (MozillaDelegate.mbcsToWcs (null, bytes));
+    String[] propertyValues = null;
+
+    if (propertyName.equals (XPCOM.NS_APP_PLUGINS_DIR_LIST)) {
+        if (pluginDirs is null) {
+            int index = 0;
+            /* set the first value(s) to the MOZ_PLUGIN_PATH environment variable value if it's defined */
+            int /*long*/ ptr = C.getenv (MozillaDelegate.wcsToMbcs (null, XPCOM.MOZILLA_PLUGIN_PATH, true));
+            if (ptr !is 0) {
+                int length = C.strlen (ptr);
+                byte[] buffer = new byte[length];
+                C.memmove (buffer, ptr, length);
+                String value = new String (MozillaDelegate.mbcsToWcs (null, buffer));
+                if (value.length () > 0) {
+                    String separator = System.getProperty ("path.separator"); // $NON-NLS-1$
+                    Vector segments = new Vector ();
+                    int start, end = -1;
+                    do {
+                        start = end + 1;
+                        end = value.indexOf (separator, start);
+                        String segment;
+                        if (end is -1) {
+                            segment = value.substring (start);
+                        } else {
+                            segment = value.substring (start, end);
+                        }
+                        if (segment.length () > 0) segments.addElement (segment);
+                    } while (end !is -1);
+                    int segmentsSize = segments.size ();
+                    pluginDirs = new String [segmentsSize + 2];
+                    for (index = 0; index < segmentsSize; index++) {
+                        pluginDirs[index] = (String)segments.elementAt (index);
+                    }
+                }
+            }
+            if (pluginDirs is null) {
+                pluginDirs = new String[2];
+            }
+
+            /* set the next value to the GRE path + "plugins" */
+            pluginDirs[index++] = mozillaPath + PLUGINS_DIR;
+
+            /* set the next value to the home directory + "/.mozilla/plugins" */
+            pluginDirs[index++] = System.getProperty("user.home") + SEPARATOR_OS + USER_PLUGINS_DIR;
+        }
+        propertyValues = pluginDirs;
+    }
+
+    XPCOM.memmove(_retval, new int /*long*/[] {0}, C.PTR_SIZEOF);
+    if (propertyValues !is null) {
+        int /*long*/[] result = new int /*long*/[1];
+        nsISupports[] files = new nsISupports [propertyValues.length];
+        int index = 0;
+        for (int i = 0; i < propertyValues.length; i++) {
+            nsEmbedString pathString = new nsEmbedString (propertyValues[i]);
+            int rc = XPCOM.NS_NewLocalFile (pathString.getAddress (), 1, result);
+            if (rc !is XPCOM.NS_ERROR_FILE_UNRECOGNIZED_PATH) {
+                /* value appears to be a valid pathname */
+                if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
+                if (result[0] is 0) Mozilla.error (XPCOM.NS_ERROR_NULL_POINTER);
+
+                nsILocalFile localFile = new nsILocalFile (result[0]);
+                result[0] = 0;
+                rc = localFile.QueryInterface (nsIFile.NS_IFILE_IID, result); 
+                if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
+                if (result[0] is 0) Mozilla.error (XPCOM.NS_ERROR_NO_INTERFACE);
+                localFile.Release ();
+
+                nsIFile file = new nsIFile (result[0]);
+                files[index++] = file;
+            }
+            pathString.dispose ();
+            result[0] = 0;
+        }
+
+        if (index < propertyValues.length) {
+            /* there were some invalid values so remove the trailing empty array slots */
+            nsISupports[] temp = new nsISupports [index];
+            System.arraycopy (files, 0, temp, 0, index);
+            files = temp;
+        }
+
+        SimpleEnumerator enumerator = new SimpleEnumerator (files);
+        enumerator.AddRef ();
+        XPCOM.memmove (_retval, new int /*long*/[] {enumerator.getAddress ()}, C.PTR_SIZEOF);
+        return XPCOM.NS_OK;
+    }
+
+    return XPCOM.NS_ERROR_FAILURE;
+}   
+    
+/* nsIDirectoryServiceProvider implementation */
+
+int getFile(int /*long*/ prop, int /*long*/ persistent, int /*long*/ _retval) {
+    int size = XPCOM.strlen (prop);
+    byte[] bytes = new byte[size];
+    XPCOM.memmove (bytes, prop, size);
+    String propertyName = new String (MozillaDelegate.mbcsToWcs (null, bytes));
+    String propertyValue = null;
+
+    if (propertyName.equals (XPCOM.NS_APP_HISTORY_50_FILE)) {
+        propertyValue = profilePath + HISTORY_FILE;
+    } else if (propertyName.equals (XPCOM.NS_APP_USER_MIMETYPES_50_FILE)) {
+        propertyValue = profilePath + MIMETYPES_FILE;
+    } else if (propertyName.equals (XPCOM.NS_APP_PREFS_50_FILE)) {
+        propertyValue = profilePath + PREFERENCES_FILE;
+    } else if (propertyName.equals (XPCOM.NS_APP_PREFS_50_DIR)) {
+        propertyValue = profilePath;
+    } else if (propertyName.equals (XPCOM.NS_APP_USER_CHROME_DIR)) {
+        propertyValue = profilePath + CHROME_DIR;
+    } else if (propertyName.equals (XPCOM.NS_APP_USER_PROFILE_50_DIR)) {
+        propertyValue = profilePath;
+    } else if (propertyName.equals (XPCOM.NS_APP_LOCALSTORE_50_FILE)) {
+        propertyValue = profilePath + LOCALSTORE_FILE;
+    } else if (propertyName.equals (XPCOM.NS_APP_CACHE_PARENT_DIR)) {
+        propertyValue = profilePath;
+    } else if (propertyName.equals (XPCOM.NS_OS_HOME_DIR)) {
+        propertyValue = System.getProperty("user.home");    //$NON-NLS-1$
+    } else if (propertyName.equals (XPCOM.NS_OS_TEMP_DIR)) {
+        propertyValue = System.getProperty("java.io.tmpdir");   //$NON-NLS-1$
+    } else if (propertyName.equals (XPCOM.NS_GRE_DIR)) {
+        propertyValue = mozillaPath;
+    } else if (propertyName.equals (XPCOM.NS_GRE_COMPONENT_DIR)) {
+        propertyValue = mozillaPath + COMPONENTS_DIR;
+    } else if (propertyName.equals (XPCOM.NS_XPCOM_INIT_CURRENT_PROCESS_DIR)) {
+        propertyValue = mozillaPath;
+    } else if (propertyName.equals (XPCOM.NS_OS_CURRENT_PROCESS_DIR)) {
+        propertyValue = mozillaPath;
+    } else if (propertyName.equals (XPCOM.NS_XPCOM_COMPONENT_DIR)) {
+        propertyValue = mozillaPath + COMPONENTS_DIR;
+    } else if (propertyName.equals (XPCOM.NS_XPCOM_CURRENT_PROCESS_DIR)) {
+        propertyValue = mozillaPath;
+    } else if (propertyName.equals (XPCOM.NS_APP_PREF_DEFAULTS_50_DIR)) {
+        /*
+        * Answering a value for this property causes problems in Mozilla versions
+        * < 1.7.  Unfortunately this property is queried early enough in the
+        * Browser creation process that the Mozilla version being used is not
+        * yet determined.  However it is known if XULRunner is being used or not.
+        * 
+        * For now answer a value for this property iff XULRunner is the GRE.
+        * If the range of Mozilla versions supported by the Browser is changed
+        * in the future to be >= 1.7 then this value can always be answered.  
+        */
+        if (isXULRunner) propertyValue = profilePath;
+    }
+
+    XPCOM.memmove (persistent, new int[] {1}, 4); /* PRBool */
+    XPCOM.memmove (_retval, new int /*long*/[] {0}, C.PTR_SIZEOF);
+    if (propertyValue !is null && propertyValue.length () > 0) {
+        int /*long*/[] result = new int /*long*/[1];
+        nsEmbedString pathString = new nsEmbedString (propertyValue);
+        int rc = XPCOM.NS_NewLocalFile (pathString.getAddress (), 1, result);
+        if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
+        if (result[0] is 0) Mozilla.error (XPCOM.NS_ERROR_NULL_POINTER);
+        pathString.dispose ();
+        
+        nsILocalFile localFile = new nsILocalFile (result [0]);
+        result[0] = 0;
+        rc = localFile.QueryInterface (nsIFile.NS_IFILE_IID, result); 
+        if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
+        if (result[0] is 0) Mozilla.error (XPCOM.NS_ERROR_NO_INTERFACE);
+
+        XPCOM.memmove (_retval, new int /*long*/[] {result[0]}, C.PTR_SIZEOF);
+        localFile.Release ();
+        return XPCOM.NS_OK;
+    }
+
+    return XPCOM.NS_ERROR_FAILURE;
+}       
+}