Mercurial > projects > dwt-linux
view dwt/browser/HelperAppLauncherDialog.d @ 345:5abc6f7f7a95
Fixups
author | John Reimer <terminal.node@gmail.com> |
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date | Tue, 28 Oct 2008 22:07:01 -0700 |
parents | 942da4b6558a |
children | 2e591eb01162 |
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/******************************************************************************* * 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 * Port to the D programming language: * John Reimer <terminal.node@gmail.com> *******************************************************************************/ module dwt.browser.HelperAppLauncherDialog; import dwt.dwthelper.utils; import Utf = tango.text.convert.Utf; import dwt.DWT; import XPCOM = dwt.internal.mozilla.XPCOM; import dwt.internal.mozilla.Common; import dwt.internal.mozilla.nsEmbedString; import dwt.internal.mozilla.nsID; import dwt.internal.mozilla.nsIHelperAppLauncher; import dwt.internal.mozilla.nsIHelperAppLauncherDialog; import dwt.internal.mozilla.nsIHelperAppLauncher_1_8; import dwt.internal.mozilla.nsIHelperAppLauncher_1_9; import dwt.internal.mozilla.nsISupports; import dwt.internal.mozilla.nsILocalFile; import dwt.internal.mozilla.nsStringAPI; import dwt.browser.Mozilla; import dwt.widgets.FileDialog; import dwt.widgets.Shell; class HelperAppLauncherDialog : nsIHelperAppLauncherDialog { //XPCOMObject supports; //XPCOMObject helperAppLauncherDialog; int refCount = 0; this() { //createCOMInterfaces (); } nsrefcnt AddRef () { refCount++; return refCount; } nsresult QueryInterface (nsID* riid, void** ppvObject) { if (riid is null || ppvObject is null) return XPCOM.NS_ERROR_NO_INTERFACE; //nsID guid = new nsID (); //XPCOM.memmove (guid, riid, nsID.sizeof); if (*riid == nsISupports.IID) { *ppvObject = cast(void*)cast(nsISupports)this; AddRef (); return XPCOM.NS_OK; } if (*riid == nsIHelperAppLauncherDialog.IID) { *ppvObject = cast(void*)cast(nsIHelperAppLauncherDialog)this; AddRef (); return XPCOM.NS_OK; } *ppvObject = null; return XPCOM.NS_ERROR_NO_INTERFACE; } nsrefcnt Release () { refCount--; /* * Note. This instance lives as long as the download it is binded to. * Its reference count is expected to go down to 0 when the download * has completed or when it has been cancelled. E.g. when the user * cancels the File Dialog, cancels or closes the Download Dialog * and when the Download Dialog goes away after the download is completed. */ //if (refCount is 0) disposeCOMInterfaces (); return refCount; } /* nsIHelperAppLauncherDialog */ nsresult Show (nsIHelperAppLauncher aLauncher, nsISupports aContext, PRUint32 aReason) { /* * The interface for nsIHelperAppLauncher changed in GRE versions 1.8 and 1.9. Query for * each of these interfaces in turn until one is found. */ // FIXME: Not sure if this will work because of different versions of // nsIHelperAppLauncher. Remember to check. -JJR nsIHelperAppLauncher_1_9 helperAppLauncher1; int rc = aLauncher.QueryInterface (&nsIHelperAppLauncher_1_9.IID, cast(void**)&helperAppLauncher1); if (rc is 0) { // nsIHelperAppLauncher_1_9 helperAppLauncher = new nsIHelperAppLauncher_1_9 (aLauncher); rc = helperAppLauncher1.SaveToDisk (null, 0); helperAppLauncher1.Release (); return rc; } //result[0] = 0; nsIHelperAppLauncher_1_8 helperAppLauncher2; rc = aLauncher.QueryInterface (&nsIHelperAppLauncher_1_8.IID, cast(void**)&helperAppLauncher2); if (rc is 0) { //nsIHelperAppLauncher_1_8 helperAppLauncher = new nsIHelperAppLauncher_1_8 (aLauncher); rc = helperAppLauncher2.SaveToDisk (null, 0); helperAppLauncher2.Release (); return rc; } //nsIHelperAppLauncher helperAppLauncher = new nsIHelperAppLauncher (aLauncher); /* < 1.8 */ return aLauncher.SaveToDisk (null, 0); } nsresult PromptForSaveToFile (nsIHelperAppLauncher aLauncher, nsISupports aWindowContext, PRUnichar* aDefaultFile, PRUnichar* aSuggestedFileExtension, nsILocalFile* _retval) { bool hasLauncher = false; /* * The interface for nsIHelperAppLauncherDialog changed as of mozilla 1.5 when an * extra argument was added to the PromptForSaveToFile method (this resulted in all * subsequent arguments shifting right). The workaround is to provide an XPCOMObject * that fits the newer API, and to use the first argument's type to infer whether * the old or new nsIHelperAppLauncherDialog interface is being used (and by extension * the ordering of the arguments). In mozilla >= 1.5 the first argument is an * nsIHelperAppLauncher. */ /* * The interface for nsIHelperAppLauncher changed as of mozilla 1.8, so the first * argument must be queried for both the old and new nsIHelperAppLauncher interfaces. */ bool using_1_8 = false, using_1_9 = false; // technically this should have an AddRef? -JJR //nsISupports support = cast(nsISupports)arg0; //int /*long*/[] result = new int /*long*/[1]; if (aLauncher is null) assert(0); // TODO: D Bindings are locked to the XPCOM interface version provided in // dwt/internal/mozilla package; therefore the following version checks // are redundant for now. In this case, 1.8 and 1.9 // will be bypassed. To get 1.8 and 1.9 working for D, we will // have to customize this section a bit or simply remove the references // until the default aligns with these versions in later swt updates. // For now this should work as is. nsIHelperAppLauncher_1_8 helperAppLauncher1; int rc = aLauncher.QueryInterface (&nsIHelperAppLauncher_1_8.IID, cast(void**)&helperAppLauncher1); if (rc is 0) { using_1_8 = true; hasLauncher = true; helperAppLauncher1.Release (); } else { nsIHelperAppLauncher_1_9 helperAppLauncher2; rc = aLauncher.QueryInterface (&nsIHelperAppLauncher_1_9.IID, cast(void**)&helperAppLauncher2); if (rc is 0) { using_1_9 = true; hasLauncher = true; helperAppLauncher2.Release; } else { nsIHelperAppLauncher helperAppLauncher; rc = aLauncher.QueryInterface (&nsIHelperAppLauncher.IID, cast(void**)&helperAppLauncher); if (rc is 0) { hasLauncher = true; helperAppLauncher.Release; } } } /+ // In D port, Mozilla version is determined by the bindings used if (hasLauncher) { /* >= 1.5 */ aDefaultFile = arg2; aSuggestedFileExtension = arg3; _retval = arg4; } else { /* 1.4 */ // This call conversion probablywon't work for non-Java // and shouldn't get called; fix it later. -JJR aDefaultFile = arg1; aSuggestedFileExtension = arg2; _retval = arg3; } +/ //int span = XPCOM.strlen_PRUnichar (aDefaultFile); // XPCOM.memmove (dest, aDefaultFile, length * 2); String defaultFile = Utf.toString(fromString16z(aDefaultFile)); //span = XPCOM.strlen_PRUnichar (aSuggestedFileExtension); //dest = new char[length]; //XPCOM.memmove (dest, aSuggestedFileExtension, length * 2); String suggestedFileExtension = Utf.toString(fromString16z(aSuggestedFileExtension)); Shell shell = new Shell (); FileDialog fileDialog = new FileDialog (shell, DWT.SAVE); fileDialog.setFileName (defaultFile); String[] tmp; tmp ~= suggestedFileExtension; fileDialog.setFilterExtensions (tmp); String name = fileDialog.open (); shell.close (); if (name is null) { if (hasLauncher) { // not sure if these produce correct interface alignment. Check. -JJR if (using_1_8 || using_1_9) { //rc = aLauncher.Cancel (XPCOM.NS_BINDING_ABORTED); implMissing(__FILE__,__LINE__); } else { //nsIHelperAppLauncher launcher = new nsIHelperAppLauncher (arg0); rc = aLauncher.Cancel (); } if (rc !is XPCOM.NS_OK) Mozilla.error (rc); return XPCOM.NS_OK; } return XPCOM.NS_ERROR_FAILURE; } scope auto path = new nsEmbedString (name.toString16()); nsILocalFile localFile; rc = XPCOM.NS_NewLocalFile (cast(nsAString*)path, 1, &localFile); //path.dispose (); if (rc !is XPCOM.NS_OK) Mozilla.error (rc); if (localFile is null) Mozilla.error (XPCOM.NS_ERROR_NULL_POINTER); /* Our own nsIDownload has been registered during the Browser initialization. It will be invoked by Mozilla. */ *_retval = localFile; //XPCOM.memmove (_retval, result, C.PTR_SIZEOF); return XPCOM.NS_OK; } }