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annotate dwt/browser/HelperAppLauncherDialog.d @ 298:eec6ddb07873

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More xpcom/mozilla port
author John Reimer<terminal.node@gmail.com>
date Sun, 10 Aug 2008 22:25:43 -0700
parents 93409d9838c5
children 942da4b6558a
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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 dwt.browser.HelperAppLauncherDialog;
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14
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15 import dwt.dwthelper.utils;
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17 import Utf = tango.text.convert.Utf;
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18
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19 import dwt.DWT;
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20 //import dwt.internal.C;
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21 import dwt.internal.mozilla.XPCOM;
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22 //import dwt.internal.mozilla.XPCOMObject;
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23 import dwt.internal.mozilla.nsEmbedString;
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24 import dwt.internal.mozilla.nsID;
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25 import dwt.internal.mozilla.nsIHelperAppLauncher;
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26 import dwt.internal.mozilla.nsIHelperAppLauncherDialog;
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27 import dwt.internal.mozilla.nsIHelperAppLauncher_1_8;
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28 import dwt.internal.mozilla.nsIHelperAppLauncher_1_9;
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29 import dwt.internal.mozilla.nsISupports;
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30 import dwt.widgets.FileDialog;
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31 import dwt.widgets.Shell;
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32
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33 class HelperAppLauncherDialog : nsHelperAppLauncherDialog {
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34 //XPCOMObject supports;
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35 //XPCOMObject helperAppLauncherDialog;
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36 int refCount = 0;
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37
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38 this() {
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39 //createCOMInterfaces ();
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40 }
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41
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42 nsrefcnt AddRef () {
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43 refCount++;
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44 return refCount;
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45 }
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46 /+
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47 void createCOMInterfaces () {
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48 /* Create each of the interfaces that this object implements */
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49 supports = new XPCOMObject (new int[] {2, 0, 0}) {
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50 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
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51 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
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52 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
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53 };
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54
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55 helperAppLauncherDialog = new XPCOMObject (new int[] {2, 0, 0, 3, 5}) {
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56 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
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57 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
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58 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
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59 public int /*long*/ method3 (int /*long*/[] args) {return Show (args[0], args[1], (int)/*64*/args[2]);}
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60 public int /*long*/ method4 (int /*long*/[] args) {return PromptForSaveToFile (args[0], args[1], args[2], args[3], args[4]);}
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61 };
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62 }
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63
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64 void disposeCOMInterfaces () {
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65 if (supports !is null) {
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66 supports.dispose ();
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67 supports = null;
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68 }
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69 if (helperAppLauncherDialog !is null) {
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70 helperAppLauncherDialog.dispose ();
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71 helperAppLauncherDialog = null;
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72 }
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73 }
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74
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75 int /*long*/ getAddress () {
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76 return helperAppLauncherDialog.getAddress ();
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77 }
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78 +/
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79 nsresult QueryInterface (nsID* riid, void** ppvObject) {
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80 if (riid is null || ppvObject is null) return XPCOM.NS_ERROR_NO_INTERFACE;
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81 //nsID guid = new nsID ();
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82 //XPCOM.memmove (guid, riid, nsID.sizeof);
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83
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84 if (*riid == nsISupports.IID) {
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85 *ppvObject = cast(void*)cast(nsISupports)this;
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86 AddRef ();
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87 return XPCOM.NS_OK;
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88 }
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89 if (*riid == nsIHelperAppLauncherDialog.IID) {
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90 *ppvObject = cast(void*)cast(nsIHelperAppLauncherDialog)this;
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91 AddRef ();
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92 return XPCOM.NS_OK;
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93 }
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94
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95 *ppvObject = null;
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96 return XPCOM.NS_ERROR_NO_INTERFACE;
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97 }
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98
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99 nsrefcnt Release () {
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100 refCount--;
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101 /*
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102 * Note. This instance lives as long as the download it is binded to.
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103 * Its reference count is expected to go down to 0 when the download
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104 * has completed or when it has been cancelled. E.g. when the user
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105 * cancels the File Dialog, cancels or closes the Download Dialog
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106 * and when the Download Dialog goes away after the download is completed.
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107 */
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108 //if (refCount is 0) disposeCOMInterfaces ();
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109 return refCount;
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110 }
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111
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112 /* nsIHelperAppLauncherDialog */
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113
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114 nsresult Show (nsIHelperAppLauncher aLauncher, nsISupports aContext, PRUint32 aReason) {
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115 /*
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116 * The interface for nsIHelperAppLauncher changed in GRE versions 1.8 and 1.9. Query for
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117 * each of these interfaces in turn until one is found.
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118 */
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119 // FIXME: Not sure if this will work because of different versions of
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120 // nsIHelperAppLauncher. Remember to check. -JJR
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121 nsIHelperAppLauncher_1_9 helperAppLauncher1;
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122 int rc = aLauncher.QueryInterface (nsIHelperAppLauncher_1_9.IID, cast(void*)&helperAppLauncher1);
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123 if (rc is 0) {
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124 // nsIHelperAppLauncher_1_9 helperAppLauncher = new nsIHelperAppLauncher_1_9 (aLauncher);
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125 rc = helperAppLauncher1.SaveToDisk (0, 0);
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126 helperAppLauncher1.Release ();
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127 return rc;
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128 }
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129
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130 //result[0] = 0;
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131 nsIHelperAppLauncher_1_8 helperAppLauncher2;
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132 rc = aLauncher.QueryInterface (nsIHelperAppLauncher_1_8.IID, cast(void*)&helperAppLauncher2);
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133 if (rc is 0) {
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134 //nsIHelperAppLauncher_1_8 helperAppLauncher = new nsIHelperAppLauncher_1_8 (aLauncher);
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135 rc = helperAppLauncher2.SaveToDisk (0, 0);
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136 helperAppLauncher2.Release ();
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137 return rc;
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138 }
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139
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140 //nsIHelperAppLauncher helperAppLauncher = new nsIHelperAppLauncher (aLauncher); /* < 1.8 */
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141 return aLauncher.SaveToDisk (0, 0);
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142 }
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143
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144 int PromptForSaveToFile (nsIHelperAppLauncher arg0, nsISupports arg1, PRUnichar* arg2, PRUnichar* arg3, nsILocalFile* arg4) {
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145 PRUnichar* aDefaultFile;
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146 PRUnichar* aSuggestedFileExtension;
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147 nsILocalFile* _retval;
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148 bool hasLauncher = false;
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149
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150 /*
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151 * The interface for nsIHelperAppLauncherDialog changed as of mozilla 1.5 when an
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152 * extra argument was added to the PromptForSaveToFile method (this resulted in all
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153 * subsequent arguments shifting right). The workaround is to provide an XPCOMObject
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154 * that fits the newer API, and to use the first argument's type to infer whether
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155 * the old or new nsIHelperAppLauncherDialog interface is being used (and by extension
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156 * the ordering of the arguments). In mozilla >= 1.5 the first argument is an
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157 * nsIHelperAppLauncher.
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158 */
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159 /*
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160 * The interface for nsIHelperAppLauncher changed as of mozilla 1.8, so the first
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161 * argument must be queried for both the old and new nsIHelperAppLauncher interfaces.
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162 */
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163 bool using_1_8 = false, using_1_9 = false;
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164 // technically this should have an AddRef? -JJR
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165 nsISupports support = cast(nsISupports)arg0;
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166 //int /*long*/[] result = new int /*long*/[1];
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167 if (arg0 is null)
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168 assert(0);
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169
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170 nsIHelperAppLauncher_1_8 helperAppLauncher1;
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171 int rc = support.QueryInterface (nsIHelperAppLauncher_1_8.IID, cast(void*)&helperAppLauncher1);
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172 if (rc is 0) {
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173 using_1_8 = true;
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174 hasLauncher = true;
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175 helperAppLauncher1.Release ();
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176 } else {
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177 nsIHelperAppLauncher_1_9 helperAppLauncher2;
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178 rc = support.QueryInterface (nsIHelperAppLauncher_1_9.IID, cast(void*)&helperAppLauncher2);
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179 if (rc is 0) {
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180 using_1_9 = true;
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181 hasLauncher = true;
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182 helperAppLauncher2.Release;
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183 } else {
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184 nsIHelperAppLauncher helperAppLauncher;
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185 rc = support.QueryInterface (nsIHelperAppLauncher.IID, cast(void*)&helperAppLauncher);
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186 if (rc is 0) {
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187 hasLauncher = true;
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188 helperAppLauncher.Release;
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189 }
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190 }
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191 }
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192 //result[0] = 0;
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193
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194 if (hasLauncher) { /* >= 1.5 */
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195 aDefaultFile = arg2;
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196 aSuggestedFileExtension = arg3;
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197 _retval = arg4;
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198 } else { /* 1.4 */
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199 // This call conversion probablywon't work for non-Java
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200 // and shouldn't get called; fix it later. -JJR
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201 aDefaultFile = arg1;
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202 aSuggestedFileExtension = arg2;
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203 _retval = arg3;
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204 }
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205
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206 int span = XPCOM.strlen_PRUnichar (aDefaultFile);
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207 // XPCOM.memmove (dest, aDefaultFile, length * 2);
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208 String defaultFile = Utf.toString (aDefaultFile[0 .. span]));
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209
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210 span = XPCOM.strlen_PRUnichar (aSuggestedFileExtension);
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211 //dest = new char[length];
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212 //XPCOM.memmove (dest, aSuggestedFileExtension, length * 2);
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213 String suggestedFileExtension = Utf.toString (aSuggestedFileExtension[0 .. span]);
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214
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215 Shell shell = new Shell ();
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216 FileDialog fileDialog = new FileDialog (shell, DWT.SAVE);
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217 fileDialog.setFileName (defaultFile);
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218 String[] tmp ~= suggestedFileExtension;
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219 fileDialog.setFilterExtensions (tmp);
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220 String name = fileDialog.open ();
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221 shell.close ();
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222 if (name is null) {
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223 if (hasLauncher) {
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224 // not sure if these produce correct interface alignment. Check. -JJR
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225 if (using_1_8) {
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226 auto launcher = cast(nsIHelperAppLauncher_1_8)cast(void*)arg0;
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227 rc = launcher.Cancel (XPCOM.NS_BINDING_ABORTED);
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228 } else if (using_1_9) {
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229 auto launcher = cast(nsIHelperAppLauncher_1_9)cast(void*)arg0;
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230 rc = launcher.Cancel (XPCOM.NS_BINDING_ABORTED);
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231 } else {
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232 //nsIHelperAppLauncher launcher = new nsIHelperAppLauncher (arg0);
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233 rc = arg0.Cancel ();
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234 }
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235 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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236 return XPCOM.NS_OK;
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237 }
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238 return XPCOM.NS_ERROR_FAILURE;
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239 }
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240 scope auto path = new nsEmbedString (name);
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241 nsILocalFile localFile;
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242 rc = XPCOM.NS_NewLocalFile (cast(nsAString*)path, 1, cast(void*)&localFile);
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243 //path.dispose ();
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244 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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245 if (localFile is null) Mozilla.error (XPCOM.NS_ERROR_NULL_POINTER);
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246 /* Our own nsIDownload has been registered during the Browser initialization. It will be invoked by Mozilla. */
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247 *_retval = cast(void*)&localFile;
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248 //XPCOM.memmove (_retval, result, C.PTR_SIZEOF);
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249 return XPCOM.NS_OK;
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250 }
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251 }