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1 /*******************************************************************************
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2 * Copyright (c) 2003, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * John Reimer <terminal.node@gmail.com>
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12 *******************************************************************************/
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13 module org.eclipse.swt.browser.HelperAppLauncherDialog;
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14
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15 import java.lang.all;
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16
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48
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17 version(Tango){
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25
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18 import Utf = tango.text.convert.Utf;
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48
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19 } else { // Phobos
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20 }
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25
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21
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22 import org.eclipse.swt.SWT;
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23
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24 import XPCOM = org.eclipse.swt.internal.mozilla.XPCOM;
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25
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26 import org.eclipse.swt.internal.mozilla.Common;
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27 import org.eclipse.swt.internal.mozilla.nsEmbedString;
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28 import org.eclipse.swt.internal.mozilla.nsID;
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29 import org.eclipse.swt.internal.mozilla.nsIHelperAppLauncher;
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30 import org.eclipse.swt.internal.mozilla.nsIHelperAppLauncherDialog;
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31 import org.eclipse.swt.internal.mozilla.nsIHelperAppLauncher_1_8;
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32 import org.eclipse.swt.internal.mozilla.nsISupports;
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33 import org.eclipse.swt.internal.mozilla.nsILocalFile;
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34 import org.eclipse.swt.internal.mozilla.nsStringAPI;
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35
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36 import org.eclipse.swt.browser.Mozilla;
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37
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38 import org.eclipse.swt.widgets.FileDialog;
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39 import org.eclipse.swt.widgets.Shell;
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40
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41 /**
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42 * This class implements the HelperAppLauncherDialog interface for mozilla
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43 * versions 1.4 - 1.8.x. For mozilla versions >= 1.9 this interface is
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44 * implemented by class HelperAppLauncherDialog_1_9. HelperAppLauncherDialogFactory
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45 * determines at runtime which of these classes to instantiate.
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46 */
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47
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48 class HelperAppLauncherDialog : nsIHelperAppLauncherDialog {
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49 int refCount = 0;
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50
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51 this() {
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52 }
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53
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54 extern(System)
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55 nsrefcnt AddRef () {
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56 refCount++;
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57 return refCount;
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58 }
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59
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60 extern(System)
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53
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61 nsresult QueryInterface (cnsID* riid, void** ppvObject) {
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62 if (riid is null || ppvObject is null) return XPCOM.NS_ERROR_NO_INTERFACE;
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63
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64 if (*riid == nsISupports.IID) {
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65 *ppvObject = cast(void*)cast(nsISupports)this;
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66 AddRef ();
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67 return XPCOM.NS_OK;
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68 }
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69 if (*riid == nsIHelperAppLauncherDialog.IID) {
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70 *ppvObject = cast(void*)cast(nsIHelperAppLauncherDialog)this;
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71 AddRef ();
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72 return XPCOM.NS_OK;
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73 }
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74
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75 *ppvObject = null;
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76 return XPCOM.NS_ERROR_NO_INTERFACE;
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77 }
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78
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79 extern(System)
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80 nsrefcnt Release () {
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81 refCount--;
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82 /*
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83 * Note. This instance lives as long as the download it is binded to.
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84 * Its reference count is expected to go down to 0 when the download
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85 * has completed or when it has been cancelled. E.g. when the user
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86 * cancels the File Dialog, cancels or closes the Download Dialog
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87 * and when the Download Dialog goes away after the download is completed.
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88 */
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89 if (refCount is 0) return 0;
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90 return refCount;
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91 }
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92
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93 /* nsIHelperAppLauncherDialog */
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94
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95 extern(System)
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96 nsresult Show(nsIHelperAppLauncher aLauncher, nsISupports aContext, PRUint32 aReason) {
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97 /*
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98 * The interface for nsIHelperAppLauncher changed as of mozilla 1.8. Query the received
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99 * nsIHelperAppLauncher for the new interface, and if it is not found then fall back to
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100 * the old interface.
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101 */
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102
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103 nsISupports supports = cast(nsISupports)aLauncher;
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104 nsIHelperAppLauncher_1_8 helperAppLauncher;
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105 nsresult rc = supports.QueryInterface (&nsIHelperAppLauncher_1_8.IID, cast(void**)&helperAppLauncher);
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106 if (rc is 0) {
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107 rc = helperAppLauncher.SaveToDisk (null, 0);
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108 helperAppLauncher.Release ();
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109 return rc;
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110 }
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111
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112 /* < 1.8 */
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113 return aLauncher.SaveToDisk (null, 0);
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114 // no Release for this? -JJR
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115 }
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116
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117 extern(System)
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118 nsresult PromptForSaveToFile (nsIHelperAppLauncher aLauncher, nsISupports aWindowContext, PRUnichar* aDefaultFile, PRUnichar* aSuggestedFileExtension, nsILocalFile* _retval) {
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119 bool hasLauncher = false;
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120
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121 /*
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122 * The interface for nsIHelperAppLauncherDialog changed as of mozilla 1.5 when an
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123 * extra argument was added to the PromptForSaveToFile method (this resulted in all
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124 * subsequent arguments shifting right). The workaround is to provide an XPCOMObject
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125 * that fits the newer API, and to use the first argument's type to infer whether
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126 * the old or new nsIHelperAppLauncherDialog interface is being used (and by extension
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127 * the ordering of the arguments). In mozilla >= 1.5 the first argument is an
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128 * nsIHelperAppLauncher.
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129 */
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130 /*
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131 * The interface for nsIHelperAppLauncher changed as of mozilla 1.8, so the first
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132 * argument must be queried for both the old and new nsIHelperAppLauncher interfaces.
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133 */
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134 bool using_1_8 = false;
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135 nsISupports support = cast(nsISupports)aLauncher;
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136
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137 if (aLauncher is null)
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138 assert(0);
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139
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140 nsIHelperAppLauncher_1_8 helperAppLauncher1;
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141 int rc = support.QueryInterface (&nsIHelperAppLauncher_1_8.IID, cast(void**)&helperAppLauncher1);
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142 if (rc is XPCOM.NS_OK) {
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143 using_1_8 = true;
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144 hasLauncher = true;
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145 helperAppLauncher1.Release ();
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146 } else {
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147 nsIHelperAppLauncher helperAppLauncher;
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148 rc = support.QueryInterface (&nsIHelperAppLauncher.IID, cast(void**)&helperAppLauncher);
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149 if (rc is XPCOM.NS_OK) {
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150 hasLauncher = true;
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151 helperAppLauncher.Release;
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152 }
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153 }
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154
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155 /+
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156 // In D port, no suppport for version >1.4 yet
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157 if (hasLauncher) { /* >= 1.5 */
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158 aDefaultFile = arg2;
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159 aSuggestedFileExtension = arg3;
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160 _retval = arg4;
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161 } else { /* 1.4 */
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162 // This call conversion probablywon't work for non-Java
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163 // and shouldn't get called; fix it later. -JJR
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164 aDefaultFile = arg1;
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165 aSuggestedFileExtension = arg2;
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166 _retval = arg3;
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167 }
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168 +/
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169 //int span = XPCOM.strlen_PRUnichar (aDefaultFile);
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170 // XPCOM.memmove (dest, aDefaultFile, length * 2);
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171 String defaultFile = String_valueOf(fromString16z(aDefaultFile));
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172
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173 //span = XPCOM.strlen_PRUnichar (aSuggestedFileExtension);
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174 //dest = new char[length];
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175 //XPCOM.memmove (dest, aSuggestedFileExtension, length * 2);
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176 String suggestedFileExtension = String_valueOf(fromString16z(aSuggestedFileExtension));
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177
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178 Shell shell = new Shell ();
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179 FileDialog fileDialog = new FileDialog (shell, SWT.SAVE);
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180 fileDialog.setFileName (defaultFile);
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181 String[] tmp;
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182 tmp ~= suggestedFileExtension;
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183 fileDialog.setFilterExtensions (tmp);
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184 String name = fileDialog.open ();
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185 shell.close ();
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186 if (name is null) {
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187 if (hasLauncher) {
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188 if (using_1_8) {
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189 rc = (cast(nsIHelperAppLauncher_1_8)aLauncher).Cancel (XPCOM.NS_BINDING_ABORTED);
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190 } else {
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191 rc = aLauncher.Cancel ();
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192 }
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193 if (rc !is XPCOM.NS_OK) Mozilla.error (rc,__FILE__,__LINE__);
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194 return XPCOM.NS_OK;
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195 }
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196 return XPCOM.NS_ERROR_FAILURE;
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197 }
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198 scope auto path = new nsEmbedString (name.toWCharArray());
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199 nsILocalFile localFile;
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200 rc = XPCOM.NS_NewLocalFile (cast(nsAString*)path, 1, &localFile);
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201 //path.dispose ();
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202 if (rc !is XPCOM.NS_OK) Mozilla.error (rc,__FILE__,__LINE__);
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203 if (localFile is null) Mozilla.error (XPCOM.NS_ERROR_NULL_POINTER,__FILE__,__LINE__);
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204 /* Our own nsIDownload has been registered during the Browser initialization. It will be invoked by Mozilla. */
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205 *_retval = localFile;
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206 //XPCOM.memmove (_retval, result, C.PTR_SIZEOF);
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207 return XPCOM.NS_OK;
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208 }
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209 }
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