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1 /*******************************************************************************
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2 * Copyright (c) 2003, 2008 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 *******************************************************************************/
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11 module dwt.browser.HelperAppLauncherDialog_1_9;
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12
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13 import dwt.dwthelper.utils;
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14
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15 import dwt.DWT;
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16 import dwt.internal.C;
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17 import dwt.internal.mozilla.XPCOM;
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18 import dwt.internal.mozilla.XPCOMObject;
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19 import dwt.internal.mozilla.nsEmbedString;
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20 import dwt.internal.mozilla.nsID;
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21 import dwt.internal.mozilla.nsIHelperAppLauncherDialog_1_9;
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22 import dwt.internal.mozilla.nsIHelperAppLauncher_1_9;
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23 import dwt.internal.mozilla.nsISupports;
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24 import dwt.widgets.FileDialog;
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25 import dwt.widgets.Shell;
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26
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27 /**
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28 * This class implements the nsIHelperAppLauncherDialog interface for mozilla
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29 * versions >= 1.9. For mozilla versions 1.4 - 1.8.x this interface is
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30 * implemented by class HelperAppLauncherDialog. HelperAppLauncherDialogFactory
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31 * determines at runtime which of these classes to instantiate.
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32 */
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33 class HelperAppLauncherDialog_1_9 {
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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 HelperAppLauncherDialog_1_9 () {
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39 createCOMInterfaces ();
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40 }
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41
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42 int 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, 6}) {
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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], (int)/*64*/args[4], args[5]);}
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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 int QueryInterface (int /*long*/ riid, int /*long*/ ppvObject) {
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80 if (riid is 0 || ppvObject is 0) 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 (guid.Equals (nsISupports.NS_ISUPPORTS_IID)) {
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85 XPCOM.memmove (ppvObject, new int /*long*/[] {supports.getAddress ()}, C.PTR_SIZEOF);
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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 (guid.Equals (nsIHelperAppLauncherDialog_1_9.NS_IHELPERAPPLAUNCHERDIALOG_IID)) {
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90 XPCOM.memmove (ppvObject, new int /*long*/[] {helperAppLauncherDialog.getAddress ()}, C.PTR_SIZEOF);
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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 XPCOM.memmove (ppvObject, new int /*long*/[] {0}, C.PTR_SIZEOF);
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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 int 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 bound 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 int Show (int /*long*/ aLauncher, int /*long*/ aContext, int aReason) {
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115 nsIHelperAppLauncher_1_9 helperAppLauncher = new nsIHelperAppLauncher_1_9 (aLauncher);
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116 return helperAppLauncher.SaveToDisk (0, 0);
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117 }
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118
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119 int PromptForSaveToFile (int /*long*/ aLauncher, int /*long*/ aWindowContext, int /*long*/ aDefaultFileName, int /*long*/ aSuggestedFileExtension, int aForcePrompt, int /*long*/ _retval) {
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120 int length = XPCOM.strlen_PRUnichar (aDefaultFileName);
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121 char[] dest = new char[length];
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122 XPCOM.memmove (dest, aDefaultFileName, length * 2);
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123 String defaultFile = new String (dest);
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124
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125 length = XPCOM.strlen_PRUnichar (aSuggestedFileExtension);
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126 dest = new char[length];
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127 XPCOM.memmove (dest, aSuggestedFileExtension, length * 2);
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128 String suggestedFileExtension = new String (dest);
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129
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130 Shell shell = new Shell ();
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131 FileDialog fileDialog = new FileDialog (shell, DWT.SAVE);
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132 fileDialog.setFileName (defaultFile);
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133 fileDialog.setFilterExtensions (new String[] {suggestedFileExtension});
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134 String name = fileDialog.open ();
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135 shell.close ();
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136 if (name is null) {
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137 nsIHelperAppLauncher_1_9 launcher = new nsIHelperAppLauncher_1_9 (aLauncher);
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138 int rc = launcher.Cancel (XPCOM.NS_BINDING_ABORTED);
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139 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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140 return XPCOM.NS_ERROR_FAILURE;
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141 }
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142 nsEmbedString path = new nsEmbedString (name);
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143 int /*long*/[] result = new int /*long*/[1];
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144 int rc = XPCOM.NS_NewLocalFile (path.getAddress (), 1, result);
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145 path.dispose ();
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146 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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147 if (result[0] is 0) Mozilla.error (XPCOM.NS_ERROR_NULL_POINTER);
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148 /* Our own nsIDownload has been registered during the Browser initialization. It will be invoked by Mozilla. */
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149 XPCOM.memmove (_retval, result, C.PTR_SIZEOF);
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150 return XPCOM.NS_OK;
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151 }
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152 }
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