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annotate dwt/browser/HelperAppLauncherDialog.d @ 346:2e591eb01162

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Browser Package now compiles (phase 2 complete)
author John Reimer <terminal.node@gmail.com>
date Wed, 29 Oct 2008 20:06:08 -0700
parents 5abc6f7f7a95
children 9a4d7706df52
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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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16
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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
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21 import XPCOM = dwt.internal.mozilla.XPCOM;
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22
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23 import dwt.internal.mozilla.Common;
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24 import dwt.internal.mozilla.nsEmbedString;
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25 import dwt.internal.mozilla.nsID;
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26 import dwt.internal.mozilla.nsIHelperAppLauncher;
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27 import dwt.internal.mozilla.nsIHelperAppLauncherDialog;
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28 import dwt.internal.mozilla.nsIHelperAppLauncher_1_8;
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29 import dwt.internal.mozilla.nsIHelperAppLauncher_1_9;
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30 import dwt.internal.mozilla.nsISupports;
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31 import dwt.internal.mozilla.nsILocalFile;
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32 import dwt.internal.mozilla.nsStringAPI;
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33
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34 import dwt.browser.Mozilla;
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35
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36 import dwt.widgets.FileDialog;
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37 import dwt.widgets.Shell;
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38
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39 class HelperAppLauncherDialog : nsIHelperAppLauncherDialog {
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40 int refCount = 0;
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41
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42 this() {
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43 }
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44
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45 nsrefcnt AddRef () {
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46 refCount++;
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47 return refCount;
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48 }
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49
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50 nsresult QueryInterface (nsID* riid, void** ppvObject) {
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51 if (riid is null || ppvObject is null) return XPCOM.NS_ERROR_NO_INTERFACE;
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52
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53 if (*riid == nsISupports.IID) {
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54 *ppvObject = cast(void*)cast(nsISupports)this;
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55 AddRef ();
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56 return XPCOM.NS_OK;
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57 }
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58 if (*riid == nsIHelperAppLauncherDialog.IID) {
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59 *ppvObject = cast(void*)cast(nsIHelperAppLauncherDialog)this;
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60 AddRef ();
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61 return XPCOM.NS_OK;
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62 }
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63
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64 *ppvObject = null;
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65 return XPCOM.NS_ERROR_NO_INTERFACE;
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66 }
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67
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68 nsrefcnt Release () {
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69 refCount--;
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70 /*
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71 * Note. This instance lives as long as the download it is binded to.
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72 * Its reference count is expected to go down to 0 when the download
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73 * has completed or when it has been cancelled. E.g. when the user
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74 * cancels the File Dialog, cancels or closes the Download Dialog
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75 * and when the Download Dialog goes away after the download is completed.
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76 */
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77 //if (refCount is 0) disposeCOMInterfaces ();
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78 return refCount;
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79 }
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80
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81 /* nsIHelperAppLauncherDialog */
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82
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83 nsresult Show(nsIHelperAppLauncher aLauncher, nsISupports aContext, PRUint32 aReason) {
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84 /*
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85 * The interface for nsIHelperAppLauncher changed in GRE versions 1.8 and 1.9. Query for
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86 * each of these interfaces in turn until one is found.
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87 */
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88 // FIXME: Not sure if this will work because of different versions of
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89 // nsIHelperAppLauncher. Remember to check. -JJR
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90 nsIHelperAppLauncher_1_9 helperAppLauncher1;
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91 int rc = aLauncher.QueryInterface (&nsIHelperAppLauncher_1_9.IID, cast(void**)&helperAppLauncher1);
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92 if (rc is 0) {
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93 // nsIHelperAppLauncher_1_9 helperAppLauncher = new nsIHelperAppLauncher_1_9 (aLauncher);
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94 rc = helperAppLauncher1.SaveToDisk (null, 0);
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95 helperAppLauncher1.Release ();
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96 return rc;
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97 }
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98
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99 //result[0] = 0;
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100 nsIHelperAppLauncher_1_8 helperAppLauncher2;
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101 rc = aLauncher.QueryInterface (&nsIHelperAppLauncher_1_8.IID, cast(void**)&helperAppLauncher2);
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102 if (rc is 0) {
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103 //nsIHelperAppLauncher_1_8 helperAppLauncher = new nsIHelperAppLauncher_1_8 (aLauncher);
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104 rc = helperAppLauncher2.SaveToDisk (null, 0);
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105 helperAppLauncher2.Release ();
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106 return rc;
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107 }
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108
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109 //nsIHelperAppLauncher helperAppLauncher = new nsIHelperAppLauncher (aLauncher); /* < 1.8 */
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110 return aLauncher.SaveToDisk (null, 0);
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111 }
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112
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113 nsresult PromptForSaveToFile (nsIHelperAppLauncher aLauncher, nsISupports aWindowContext, PRUnichar* aDefaultFile, PRUnichar* aSuggestedFileExtension, nsILocalFile* _retval) {
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114 bool hasLauncher = false;
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115
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116 /*
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117 * The interface for nsIHelperAppLauncherDialog changed as of mozilla 1.5 when an
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118 * extra argument was added to the PromptForSaveToFile method (this resulted in all
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119 * subsequent arguments shifting right). The workaround is to provide an XPCOMObject
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120 * that fits the newer API, and to use the first argument's type to infer whether
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121 * the old or new nsIHelperAppLauncherDialog interface is being used (and by extension
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122 * the ordering of the arguments). In mozilla >= 1.5 the first argument is an
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123 * nsIHelperAppLauncher.
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124 */
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125 /*
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126 * The interface for nsIHelperAppLauncher changed as of mozilla 1.8, so the first
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127 * argument must be queried for both the old and new nsIHelperAppLauncher interfaces.
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128 */
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129 bool using_1_8 = false, using_1_9 = false;
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130 // technically this should have an AddRef? -JJR
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131 //nsISupports support = cast(nsISupports)arg0;
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132 //int /*long*/[] result = new int /*long*/[1];
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133 if (aLauncher is null)
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134 assert(0);
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135
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136 // TODO: D Bindings are locked to the XPCOM interface version provided in
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137 // dwt/internal/mozilla package; therefore the following version checks
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138 // are redundant for now. In this case, 1.8 and 1.9
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139 // will be bypassed. To get 1.8 and 1.9 working for D, we will
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140 // have to customize this section a bit or simply remove the references
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141 // until the default aligns with these versions in later swt updates.
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142 // For now this should work as is.
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143
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144 nsIHelperAppLauncher_1_8 helperAppLauncher1;
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145
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146 int rc = aLauncher.QueryInterface (&nsIHelperAppLauncher_1_8.IID, cast(void**)&helperAppLauncher1);
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147 if (rc is 0) {
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148 using_1_8 = true;
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149 hasLauncher = true;
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150 helperAppLauncher1.Release ();
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151 } else {
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152 nsIHelperAppLauncher_1_9 helperAppLauncher2;
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153 rc = aLauncher.QueryInterface (&nsIHelperAppLauncher_1_9.IID, cast(void**)&helperAppLauncher2);
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154 if (rc is 0) {
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155 using_1_9 = true;
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156 hasLauncher = true;
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157 helperAppLauncher2.Release;
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158 } else {
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159 nsIHelperAppLauncher helperAppLauncher;
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160 rc = aLauncher.QueryInterface (&nsIHelperAppLauncher.IID, cast(void**)&helperAppLauncher);
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161 if (rc is 0) {
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162 hasLauncher = true;
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163 helperAppLauncher.Release;
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164 }
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165 }
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166 }
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167
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168 /+
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169 // In D port, Mozilla version is determined by the bindings used
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170 if (hasLauncher) { /* >= 1.5 */
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171 aDefaultFile = arg2;
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172 aSuggestedFileExtension = arg3;
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173 _retval = arg4;
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174 } else { /* 1.4 */
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175 // This call conversion probablywon't work for non-Java
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176 // and shouldn't get called; fix it later. -JJR
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177 aDefaultFile = arg1;
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178 aSuggestedFileExtension = arg2;
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179 _retval = arg3;
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180 }
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181 +/
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182 //int span = XPCOM.strlen_PRUnichar (aDefaultFile);
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183 // XPCOM.memmove (dest, aDefaultFile, length * 2);
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184 String defaultFile = Utf.toString(fromString16z(aDefaultFile));
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185
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186 //span = XPCOM.strlen_PRUnichar (aSuggestedFileExtension);
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187 //dest = new char[length];
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188 //XPCOM.memmove (dest, aSuggestedFileExtension, length * 2);
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189 String suggestedFileExtension = Utf.toString(fromString16z(aSuggestedFileExtension));
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190
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191 Shell shell = new Shell ();
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192 FileDialog fileDialog = new FileDialog (shell, DWT.SAVE);
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193 fileDialog.setFileName (defaultFile);
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194 String[] tmp;
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195 tmp ~= suggestedFileExtension;
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196 fileDialog.setFilterExtensions (tmp);
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197 String name = fileDialog.open ();
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198 shell.close ();
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199 if (name is null) {
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200 if (hasLauncher) {
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201 // not sure if these produce correct interface alignment. Check. -JJR
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202 if (using_1_8 || using_1_9) {
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203 //rc = aLauncher.Cancel (XPCOM.NS_BINDING_ABORTED);
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204 implMissing(__FILE__,__LINE__);
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205 } else {
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206 //nsIHelperAppLauncher launcher = new nsIHelperAppLauncher (arg0);
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207 rc = aLauncher.Cancel ();
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208 }
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209 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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210 return XPCOM.NS_OK;
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211 }
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212 return XPCOM.NS_ERROR_FAILURE;
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213 }
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214 scope auto path = new nsEmbedString (name.toString16());
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215 nsILocalFile localFile;
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216 rc = XPCOM.NS_NewLocalFile (cast(nsAString*)path, 1, &localFile);
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217 //path.dispose ();
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218 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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219 if (localFile is null) Mozilla.error (XPCOM.NS_ERROR_NULL_POINTER);
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220 /* Our own nsIDownload has been registered during the Browser initialization. It will be invoked by Mozilla. */
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221 *_retval = localFile;
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222 //XPCOM.memmove (_retval, result, C.PTR_SIZEOF);
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223 return XPCOM.NS_OK;
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224 }
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225 }