--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/browser/Download.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,386 @@
+/*******************************************************************************
+ * 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.Download;
+
+import dwt.dwthelper.utils;
+
+import dwt.DWT;
+import dwt.internal.C;
+import dwt.internal.Compatibility;
+import dwt.internal.mozilla.XPCOM;
+import dwt.internal.mozilla.XPCOMObject;
+import dwt.internal.mozilla.nsID;
+import dwt.internal.mozilla.nsIDownload;
+import dwt.internal.mozilla.nsIHelperAppLauncher;
+import dwt.internal.mozilla.nsILocalFile;
+import dwt.internal.mozilla.nsIProgressDialog;
+import dwt.internal.mozilla.nsISupports;
+import dwt.internal.mozilla.nsIURI;
+import dwt.internal.mozilla.nsIWebProgressListener;
+import dwt.layout.GridData;
+import dwt.layout.GridLayout;
+import dwt.widgets.Button;
+import dwt.widgets.Event;
+import dwt.widgets.Label;
+import dwt.widgets.Listener;
+import dwt.widgets.Shell;
+
+class Download {
+    XPCOMObject supports;
+    XPCOMObject download;
+    XPCOMObject progressDialog;
+    XPCOMObject webProgressListener;
+    nsIHelperAppLauncher helperAppLauncher;
+    int refCount = 0;
+
+    Shell shell;
+    Label status;
+    Button cancel;
+    
+Download () {
+    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 ();}
+    };
+    
+    download = new XPCOMObject (new int[] {2, 0, 0, 7, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1}) {
+        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 Init (args[0], args[1], args[2], args[3], args[4], args[5], args[6]);}
+        public int /*long*/ method4 (int /*long*/[] args) {return GetSource (args[0]);}
+        public int /*long*/ method5 (int /*long*/[] args) {return GetTarget (args[0]);}
+        public int /*long*/ method6 (int /*long*/[] args) {return GetPersist (args[0]);}
+        public int /*long*/ method7 (int /*long*/[] args) {return GetPercentComplete (args[0]);}
+        public int /*long*/ method8 (int /*long*/[] args) {return GetDisplayName (args[0]);}
+        public int /*long*/ method9 (int /*long*/[] args) {return SetDisplayName (args[0]);}
+        public int /*long*/ method10 (int /*long*/[] args) {return GetStartTime (args[0]);}
+        public int /*long*/ method11 (int /*long*/[] args) {return GetMIMEInfo (args[0]);}
+        public int /*long*/ method12 (int /*long*/[] args) {return GetListener (args[0]);}
+        public int /*long*/ method13 (int /*long*/[] args) {return SetListener (args[0]);}
+        public int /*long*/ method14 (int /*long*/[] args) {return GetObserver (args[0]);}
+        public int /*long*/ method15 (int /*long*/[] args) {return SetObserver (args[0]);}
+    };
+    
+    progressDialog = new XPCOMObject (new int[] {2, 0, 0, 7, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}) {
+        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 Init (args[0], args[1], args[2], args[3], args[4], args[5], args[6]);}
+        public int /*long*/ method4 (int /*long*/[] args) {return GetSource (args[0]);}
+        public int /*long*/ method5 (int /*long*/[] args) {return GetTarget (args[0]);}
+        public int /*long*/ method6 (int /*long*/[] args) {return GetPersist (args[0]);}
+        public int /*long*/ method7 (int /*long*/[] args) {return GetPercentComplete (args[0]);}
+        public int /*long*/ method8 (int /*long*/[] args) {return GetDisplayName (args[0]);}
+        public int /*long*/ method9 (int /*long*/[] args) {return SetDisplayName (args[0]);}
+        public int /*long*/ method10 (int /*long*/[] args) {return GetStartTime (args[0]);}
+        public int /*long*/ method11 (int /*long*/[] args) {return GetMIMEInfo (args[0]);}
+        public int /*long*/ method12 (int /*long*/[] args) {return GetListener (args[0]);}
+        public int /*long*/ method13 (int /*long*/[] args) {return SetListener (args[0]);}
+        public int /*long*/ method14 (int /*long*/[] args) {return GetObserver (args[0]);}
+        public int /*long*/ method15 (int /*long*/[] args) {return SetObserver (args[0]);}
+        public int /*long*/ method16 (int /*long*/[] args) {return Open (args[0]);}
+        public int /*long*/ method17 (int /*long*/[] args) {return GetCancelDownloadOnClose (args[0]);}
+        public int /*long*/ method18 (int /*long*/[] args) {return SetCancelDownloadOnClose ((int)/*64*/args[0]);}
+        public int /*long*/ method19 (int /*long*/[] args) {return GetDialog (args[0]);}
+        public int /*long*/ method20 (int /*long*/[] args) {return SetDialog (args[0]);}
+    };
+    
+    webProgressListener = new XPCOMObject (new int[] {2, 0, 0, 4, 6, 3, 4, 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 OnStateChange (args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3]);}
+        public int /*long*/ method4 (int /*long*/[] args) {return OnProgressChange (args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3], (int)/*64*/args[4], (int)/*64*/args[5]);}
+        public int /*long*/ method5 (int /*long*/[] args) {return OnLocationChange (args[0], args[1], args[2]);}
+        public int /*long*/ method6 (int /*long*/[] args) {return OnStatusChange (args[0], args[1], (int)/*64*/args[2], args[3]);}
+        public int /*long*/ method7 (int /*long*/[] args) {return OnSecurityChange (args[0], args[1], (int)/*64*/args[2]);}
+    };
+}
+
+void disposeCOMInterfaces () {
+    if (supports !is null) {
+        supports.dispose ();
+        supports = null;
+    }   
+    if (download !is null) {
+        download.dispose ();
+        download = null;    
+    }
+    if (progressDialog !is null) {
+        progressDialog.dispose ();
+        progressDialog = null;
+    }
+    if (webProgressListener !is null) {
+        webProgressListener.dispose ();
+        webProgressListener = null;
+    }
+}
+
+int /*long*/ getAddress () {
+    return progressDialog.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 (nsIDownload.NS_IDOWNLOAD_IID)) {
+        XPCOM.memmove (ppvObject, new int /*long*/[] {download.getAddress ()}, C.PTR_SIZEOF);
+        AddRef();
+        return XPCOM.NS_OK;
+    }
+    if (guid.Equals (nsIProgressDialog.NS_IPROGRESSDIALOG_IID)) {
+        XPCOM.memmove (ppvObject, new int /*long*/[] {progressDialog.getAddress ()}, C.PTR_SIZEOF);
+        AddRef();
+        return XPCOM.NS_OK;
+    }
+    if (guid.Equals (nsIWebProgressListener.NS_IWEBPROGRESSLISTENER_IID)) {
+        XPCOM.memmove (ppvObject, new int /*long*/[] {webProgressListener.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;
+}
+
+/* nsIDownload */
+
+/* Note. The argument startTime is defined as a PRInt64. This translates into two java ints. */
+int Init (int /*long*/ aSource, int /*long*/ aTarget, int /*long*/ aDisplayName, int /*long*/ aMIMEInfo, int /*long*/ startTime1, int /*long*/ startTime2, int /*long*/ aPersist) {
+    nsIURI source = new nsIURI (aSource);
+    int /*long*/ aSpec = XPCOM.nsEmbedCString_new ();
+    int rc = source.GetHost (aSpec);
+    if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
+    int length = XPCOM.nsEmbedCString_Length (aSpec);
+    int /*long*/ buffer = XPCOM.nsEmbedCString_get (aSpec);
+    byte[] dest = new byte[length];
+    XPCOM.memmove (dest, buffer, length);
+    XPCOM.nsEmbedCString_delete (aSpec);
+    String url = new String (dest);
+
+    /*
+    * As of mozilla 1.7 the second argument of the nsIDownload interface's 
+    * Init function changed from nsILocalFile to nsIURI.  Detect which of
+    * these interfaces the second argument implements and act accordingly.  
+    */
+    String filename = null;
+    nsISupports supports = new nsISupports (aTarget);
+    int /*long*/[] result = new int /*long*/[1];
+    rc = supports.QueryInterface (nsIURI.NS_IURI_IID, result);
+    if (rc is 0) {  /* >= 1.7 */
+        nsIURI target = new nsIURI (result[0]);
+        result[0] = 0;
+        int /*long*/ aPath = XPCOM.nsEmbedCString_new ();
+        rc = target.GetPath (aPath);
+        if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
+        length = XPCOM.nsEmbedCString_Length (aPath);
+        buffer = XPCOM.nsEmbedCString_get (aPath);
+        dest = new byte[length];
+        XPCOM.memmove (dest, buffer, length);
+        XPCOM.nsEmbedCString_delete (aPath);
+        filename = new String (dest);
+        int separator = filename.lastIndexOf (System.getProperty ("file.separator"));   //$NON-NLS-1$
+        filename = filename.substring (separator + 1);
+        target.Release ();
+    } else {    /* < 1.7 */
+        nsILocalFile target = new nsILocalFile (aTarget);
+        int /*long*/ aNativeTarget = XPCOM.nsEmbedCString_new ();
+        rc = target.GetNativeLeafName (aNativeTarget);
+        if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
+        length = XPCOM.nsEmbedCString_Length (aNativeTarget);
+        buffer = XPCOM.nsEmbedCString_get (aNativeTarget);
+        dest = new byte[length];
+        XPCOM.memmove (dest, buffer, length);
+        XPCOM.nsEmbedCString_delete (aNativeTarget);
+        filename = new String (dest);
+    }
+
+    Listener listener = new Listener () {
+        public void handleEvent (Event event) {
+            if (event.widget is cancel) {
+                shell.close ();
+            }
+            if (helperAppLauncher !is null) {
+                helperAppLauncher.Cancel ();
+                helperAppLauncher.Release ();
+            }
+            shell = null;
+            helperAppLauncher = null;
+        }
+    };
+    shell = new Shell (DWT.DIALOG_TRIM);
+    String msg = Compatibility.getMessage ("SWT_Download_File", new Object[] {filename}); //$NON-NLS-1$
+    shell.setText (msg);
+    GridLayout gridLayout = new GridLayout ();
+    gridLayout.marginHeight = 15;
+    gridLayout.marginWidth = 15;
+    gridLayout.verticalSpacing = 20;
+    shell.setLayout(gridLayout);
+    msg = Compatibility.getMessage ("SWT_Download_Location", new Object[] {filename, url}); //$NON-NLS-1$
+    new Label (shell, DWT.SIMPLE).setText (msg);
+    status = new Label (shell, DWT.SIMPLE);
+    msg = Compatibility.getMessage ("SWT_Download_Started"); //$NON-NLS-1$
+    status.setText (msg);
+    GridData data = new GridData ();
+    data.grabExcessHorizontalSpace = true;
+    data.grabExcessVerticalSpace = true;
+    status.setLayoutData (data);
+
+    cancel = new Button (shell, DWT.PUSH);
+    cancel.setText (DWT.getMessage ("SWT_Cancel")); //$NON-NLS-1$
+    data = new GridData ();
+    data.horizontalAlignment = GridData.CENTER;
+    cancel.setLayoutData (data);
+    cancel.addListener (DWT.Selection, listener);
+    shell.addListener (DWT.Close, listener);
+    shell.pack ();
+    shell.open ();
+    return XPCOM.NS_OK;
+}
+
+int GetSource (int /*long*/ aSource) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int GetTarget (int /*long*/ aTarget) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int GetPersist (int /*long*/ aPersist) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int GetPercentComplete (int /*long*/ aPercentComplete) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int GetDisplayName (int /*long*/ aDisplayName) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int SetDisplayName (int /*long*/ aDisplayName) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int GetStartTime (int /*long*/ aStartTime) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int GetMIMEInfo (int /*long*/ aMIMEInfo) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int GetListener (int /*long*/ aListener) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int SetListener (int /*long*/ aListener) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int GetObserver (int /*long*/ aObserver) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int SetObserver (int /*long*/ aObserver) {
+    if (aObserver !is 0) {
+        nsISupports supports = new nsISupports (aObserver);
+        int /*long*/[] result = new int /*long*/[1];
+        int rc = supports.QueryInterface (nsIHelperAppLauncher.NS_IHELPERAPPLAUNCHER_IID, result);
+        if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
+        if (result[0] is 0) Mozilla.error (XPCOM.NS_ERROR_NO_INTERFACE);
+        helperAppLauncher = new nsIHelperAppLauncher (result[0]);
+    }
+    return XPCOM.NS_OK;
+}
+
+/* nsIProgressDialog */
+int Open (int /*long*/ aParent) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int GetCancelDownloadOnClose (int /*long*/ aCancelDownloadOnClose) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int SetCancelDownloadOnClose (int aCancelDownloadOnClose) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int GetDialog (int /*long*/ aDialog) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+int SetDialog (int /*long*/ aDialog) {
+    return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
+}
+
+/* nsIWebProgressListener */
+
+int OnStateChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aStateFlags, int aStatus) {
+    if ((aStateFlags & nsIWebProgressListener.STATE_STOP) !is 0) {
+        if (helperAppLauncher !is null) helperAppLauncher.Release ();
+        helperAppLauncher = null;
+        if (shell !is null && !shell.isDisposed ()) shell.dispose ();
+        shell = null;
+    }
+    return XPCOM.NS_OK;
+}
+
+int OnProgressChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aCurSelfProgress, int aMaxSelfProgress, int aCurTotalProgress, int aMaxTotalProgress) {
+    int currentKBytes = aCurTotalProgress / 1024;
+    int totalKBytes = aMaxTotalProgress / 1024;
+    if (shell !is null && !shell.isDisposed ()) {
+        Object[] arguments = {new Integer (currentKBytes), new Integer (totalKBytes)};
+        String statusMsg = Compatibility.getMessage ("SWT_Download_Status", arguments); //$NON-NLS-1$
+        status.setText (statusMsg);
+        shell.layout (true);
+        shell.getDisplay ().update ();
+    }
+    return XPCOM.NS_OK;
+}
+
+int OnLocationChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int /*long*/ aLocation) {
+    return XPCOM.NS_OK;
+}
+
+int OnStatusChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aStatus, int /*long*/ aMessage) {
+    return XPCOM.NS_OK;
+}
+
+int OnSecurityChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int state) {
+    return XPCOM.NS_OK;
+}
+}