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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.Download;
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14
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48
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15 version(Tango){
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25
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16 import Util = tango.text.Util;
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48
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17 } else { // Phobos
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18 }
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25
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19 import java.lang.all;
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20
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21 import org.eclipse.swt.SWT;
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22
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23 import org.eclipse.swt.browser.Mozilla;
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24
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25 import XPCOM = org.eclipse.swt.internal.mozilla.XPCOM;
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26
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27 import org.eclipse.swt.internal.mozilla.prtime;
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28 import org.eclipse.swt.internal.mozilla.Common;
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29 import org.eclipse.swt.internal.mozilla.nsID;
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30 import org.eclipse.swt.internal.mozilla.nsIDownload;
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31 import org.eclipse.swt.internal.mozilla.nsIHelperAppLauncher;
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32 import org.eclipse.swt.internal.mozilla.nsILocalFile;
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33 import org.eclipse.swt.internal.mozilla.nsIProgressDialog;
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34 import org.eclipse.swt.internal.mozilla.nsISupports;
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35 import org.eclipse.swt.internal.mozilla.nsIURI;
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36 import org.eclipse.swt.internal.mozilla.nsIWebProgressListener;
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37 import org.eclipse.swt.internal.mozilla.nsIMIMEInfo;
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38 import org.eclipse.swt.internal.mozilla.nsIObserver;
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39 import org.eclipse.swt.internal.mozilla.nsIDOMWindow;
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40 import org.eclipse.swt.internal.mozilla.nsIWebProgress;
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41 import org.eclipse.swt.internal.mozilla.nsIRequest;
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42 import org.eclipse.swt.internal.mozilla.nsStringAPI;
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43 import org.eclipse.swt.internal.mozilla.nsEmbedString;
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44
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45 import org.eclipse.swt.layout.GridData;
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46 import org.eclipse.swt.layout.GridLayout;
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47 import org.eclipse.swt.widgets.Button;
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48 import org.eclipse.swt.widgets.Event;
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49 import org.eclipse.swt.widgets.Label;
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50 import org.eclipse.swt.widgets.Listener;
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51 import org.eclipse.swt.widgets.Shell;
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52
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53 class Download : nsIProgressDialog {
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54 nsIHelperAppLauncher helperAppLauncher;
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55 int refCount = 0;
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56
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57 Shell shell;
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58 Label status;
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59 Button cancel;
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60
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61 this () {
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62 }
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63
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64 extern(System)
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65 nsrefcnt AddRef () {
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66 refCount++;
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67 return refCount;
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68 }
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69
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70 extern(System)
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53
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71 nsresult QueryInterface (cnsID* riid, void** ppvObject) {
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25
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72 if (riid is null || ppvObject is null) return XPCOM.NS_ERROR_NO_INTERFACE;
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73
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74 if (*riid == nsISupports.IID) {
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75 *ppvObject = cast(void*)cast(nsISupports)this;
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76 AddRef();
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77 return XPCOM.NS_OK;
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78 }
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79 if (*riid == nsIDownload.IID) {
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80 *ppvObject = cast(void*)cast(nsIDownload)this;
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81 AddRef();
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82 return XPCOM.NS_OK;
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83 }
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84 if (*riid == nsIProgressDialog.IID) {
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85 *ppvObject = cast(void*)cast(nsIProgressDialog)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 == nsIWebProgressListener.IID) {
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90 *ppvObject = cast(void*)cast(nsIWebProgressListener)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 *ppvObject = null;
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95 return XPCOM.NS_ERROR_NO_INTERFACE;
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96 }
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97
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98 extern(System)
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99 nsrefcnt Release () {
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100 refCount--;
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101 if (refCount is 0) return 0; // nonsensical condition: will fix later -JJR
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102 return refCount;
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103 }
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104
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105 /* nsIDownload */
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106
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107 /* Note. The argument startTime is defined as a PRInt64. This translates into two java ints. */
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108 /* EXCEPTION: not for D */
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109
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110 extern(System)
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111 nsresult Init (nsIURI aSource, nsIURI aTarget, nsAString* aDisplayName, nsIMIMEInfo aMIMEInfo, PRTime startTime, PRBool aPersist) {
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112 //nsIURI source = new nsIURI (aSource);
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113 scope auto aSpec = new nsEmbedCString;
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114 int rc = aSource.GetHost (cast(nsACString*)aSpec);
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115 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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116 //int length = XPCOM.nsEmbedCString_Length (aSpec);
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117 //int /*long*/ buffer = XPCOM.nsEmbedCString_get (aSpec);
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118 //byte[] dest = new byte[length];
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119 //XPCOM.memmove (dest, buffer, length);
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120 //XPCOM.nsEmbedCString_delete (aSpec);
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121 String url = aSpec.toString;
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122
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123 /*
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124 * As of mozilla 1.7 the second argument of the nsIDownload interface's
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125 * Init function changed from nsILocalFile to nsIURI. Detect which of
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126 * these interfaces the second argument implements and act accordingly.
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127 */
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128 String filename = null;
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129 nsISupports supports = cast(nsISupports)aTarget;
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130 nsIURI target;
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131 rc = supports.QueryInterface (&nsIURI.IID, cast(void**)&target);
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132 if (rc is 0) { /* >= 1.7 */
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133 //result[0] = 0;
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134 //int /*long*/ aPath = XPCOM.nsEmbedCString_new ();
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135 scope auto aPath = new nsEmbedCString;
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136 rc = target.GetPath (cast(nsACString*)aPath);
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137 if (rc !is XPCOM.NS_OK) Mozilla.error (rc,__FILE__,__LINE__);
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138 //length = XPCOM.nsEmbedCString_Length (aPath);
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139 //buffer = XPCOM.nsEmbedCString_get (aPath);
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140 //dest = new byte[length];
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141 //XPCOM.memmove (dest, buffer, length);
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142 //XPCOM.nsEmbedCString_delete (aPath);
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143 filename = aPath.toString;
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144 int separator = filename.lastIndexOf (System.getProperty ("file.separator")); //$NON-NLS-1$
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145 filename = filename.substring (separator + 1);
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146 target.Release ();
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147 } else { /* < 1.7 */
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148 nsILocalFile target2 = cast(nsILocalFile) aTarget;
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149 scope auto aNativeTarget = new nsEmbedCString;
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150 rc = target2.GetNativeLeafName (cast(nsACString*)aNativeTarget);
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151 if (rc !is XPCOM.NS_OK) Mozilla.error (rc,__FILE__,__LINE__);
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152 //length = XPCOM.nsEmbedCString_Length (aNativeTarget);
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153 //buffer = XPCOM.nsEmbedCString_get (aNativeTarget);
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154 //dest = new byte[length];
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155 //XPCOM.memmove (dest, buffer, length);
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156 //XPCOM.nsEmbedCString_delete (aNativeTarget);
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157 filename = aNativeTarget.toString;
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158 }
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159
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160 Listener listener = new class() Listener {
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161 public void handleEvent (Event event) {
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162 if (event.widget is cancel) {
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163 shell.close ();
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164 }
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165 if (helperAppLauncher !is null) {
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166 helperAppLauncher.Cancel ();
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167 helperAppLauncher.Release ();
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168 }
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169 shell = null;
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170 helperAppLauncher = null;
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171 }
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172 };
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173 shell = new Shell (SWT.DIALOG_TRIM);
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174 //String msg = Compatibility.getMessage ("SWT_Download_File", new Object[] {filename}); //$NON-NLS-1$
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175 shell.setText ("Download: " ~ filename);
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176 GridLayout gridLayout = new GridLayout ();
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177 gridLayout.marginHeight = 15;
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178 gridLayout.marginWidth = 15;
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179 gridLayout.verticalSpacing = 20;
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180 shell.setLayout(gridLayout);
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181 //msg = Compatibility.getMessage ("SWT_Download_Location", new Object[] {filename, url}); //$NON-NLS-1$
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182 auto lbl = new Label (shell, SWT.SIMPLE);
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183 lbl.setText ("Saving " ~ filename ~ " from " ~ url);
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184 status = new Label (shell, SWT.SIMPLE);
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185 //msg = Compatibility.getMessage ("SWT_Download_Started"); //$NON-NLS-1$
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186 status.setText ("Downloading...");
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187 GridData data = new GridData ();
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188 data.grabExcessHorizontalSpace = true;
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189 data.grabExcessVerticalSpace = true;
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190 status.setLayoutData (data);
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191
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192 cancel = new Button (shell, SWT.PUSH);
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193 cancel.setText ("Cancel"); //$NON-NLS-1$
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194 data = new GridData ();
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195 data.horizontalAlignment = GridData.CENTER;
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196 cancel.setLayoutData (data);
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197 cancel.addListener (SWT.Selection, listener);
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198 shell.addListener (SWT.Close, listener);
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199 shell.pack ();
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200 shell.open ();
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201 return XPCOM.NS_OK;
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202 }
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203
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204 extern(System)
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205 nsresult GetSource (nsIURI* aSource) {
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206 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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207 }
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208
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209 extern(System)
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210 nsresult GetTarget (nsIURI* aTarget) {
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211 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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212 }
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213
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214 extern(System)
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215 nsresult GetPersist (PRBool* aPersist) {
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216 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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217 }
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218
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219 extern(System)
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220 nsresult GetPercentComplete (PRInt32* aPercentComplete) {
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221 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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222 }
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223
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224 extern(System)
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225 nsresult GetDisplayName (PRUnichar** aDisplayName) {
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226 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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227 }
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228
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229 extern(System)
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230 nsresult SetDisplayName (PRUnichar* aDisplayName) {
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231 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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232 }
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233
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234 extern(System)
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235 nsresult GetStartTime (PRInt64* aStartTime) {
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236 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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237 }
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238
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239 extern(System)
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240 nsresult GetMIMEInfo (nsIMIMEInfo* aMIMEInfo) {
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241 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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242 }
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243
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244 extern(System)
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245 nsresult GetListener (nsIWebProgressListener* aListener) {
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246 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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247 }
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248
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249 extern(System)
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250 nsresult SetListener (nsIWebProgressListener aListener) {
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251 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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252 }
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253
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254 extern(System)
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255 nsresult GetObserver (nsIObserver* aObserver) {
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256 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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257 }
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258
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259 extern(System)
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260 nsresult SetObserver (nsIObserver aObserver) {
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261 if (aObserver !is null) {
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262 // nsISupports supports = new nsISupports (aObserver);
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263 nsIHelperAppLauncher result;
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264 int rc = aObserver.QueryInterface (&nsIHelperAppLauncher.IID, cast(void**)&result);
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265 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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266 if (result is null) Mozilla.error (XPCOM.NS_ERROR_NO_INTERFACE);
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267 helperAppLauncher = result;
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268 }
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269 return XPCOM.NS_OK;
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270 }
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271
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272 /* nsIProgressDialog */
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273
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274 extern(System)
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275 nsresult Open (nsIDOMWindow aParent) {
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276 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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277 }
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278
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279 extern(System)
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280 nsresult GetCancelDownloadOnClose (PRBool* aCancelDownloadOnClose) {
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281 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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282 }
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283
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284 extern(System)
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285 nsresult SetCancelDownloadOnClose (PRBool aCancelDownloadOnClose) {
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286 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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287 }
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288
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289 extern(System)
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290 nsresult GetDialog (nsIDOMWindow* aDialog) {
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291 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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292 }
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293
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294 extern(System)
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295 nsresult SetDialog (nsIDOMWindow aDialog) {
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296 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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297 }
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298
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299 /* nsIWebProgressListener */
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300
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301 extern(System)
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302 nsresult OnStateChange (nsIWebProgress aWebProgress, nsIRequest aRequest, PRUint32 aStateFlags, nsresult aStatus) {
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303 if ((aStateFlags & nsIWebProgressListener.STATE_STOP) !is 0) {
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304 if (helperAppLauncher !is null) helperAppLauncher.Release ();
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305 helperAppLauncher = null;
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306 if (shell !is null && !shell.isDisposed ()) shell.dispose ();
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307 shell = null;
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308 }
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309 return XPCOM.NS_OK;
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310 }
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311
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312 extern(System)
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313 nsresult OnProgressChange (nsIWebProgress aWebProgress, nsIRequest aRequest, PRInt32 aCurSelfProgress, PRInt32 aMaxSelfProgress, PRInt32 aCurTotalProgress, PRInt32 aMaxTotalProgress) {
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314 int currentKBytes = aCurTotalProgress / 1024;
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315 int totalKBytes = aMaxTotalProgress / 1024;
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316 if (shell !is null && !shell.isDisposed ()) {
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317 //Object[] arguments = {new Integer (currentKBytes), new Integer (totalKBytes)};
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318 //String statusMsg = Compatibility.getMessage ("SWT_Download_Status", arguments); //$NON-NLS-1$
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319 status.setText (Format("Download: {0} KB of {1} KB", currentKBytes, totalKBytes));
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320 shell.layout (true);
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321 shell.getDisplay ().update ();
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322 }
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323 return XPCOM.NS_OK;
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324 }
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325
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326 extern(System)
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327 nsresult OnLocationChange (nsIWebProgress aWebProgress, nsIRequest aRequest, nsIURI aLocation) {
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328 return XPCOM.NS_OK;
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329 }
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330
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331 extern(System)
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332 nsresult OnStatusChange (nsIWebProgress aWebProgress, nsIRequest aRequest, nsresult aStatus, PRUnichar* aMessage) {
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333 return XPCOM.NS_OK;
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334 }
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335
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336 extern(System)
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337 nsresult OnSecurityChange (nsIWebProgress aWebProgress, nsIRequest aRequest, PRUint32 state) {
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338 return XPCOM.NS_OK;
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339 }
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340 }
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