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annotate dwt/browser/HelperAppLauncherDialog.d @ 7:e831403a80a9

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Add 'cast' to casts
author Frank Benoit <benoit@tionex.de>
date Wed, 27 Aug 2008 14:30:35 +0200
parents 1a8b3cb347e0
children d8635bb48c7c
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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 *******************************************************************************/
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11 module dwt.browser.HelperAppLauncherDialog;
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12
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13 import dwt.dwthelper.utils;
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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.nsIHelperAppLauncher;
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22 import dwt.internal.mozilla.nsIHelperAppLauncherDialog;
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23 import dwt.internal.mozilla.nsIHelperAppLauncher_1_8;
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24 import dwt.internal.mozilla.nsIHelperAppLauncher_1_9;
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25 import dwt.internal.mozilla.nsISupports;
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26 import dwt.widgets.FileDialog;
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27 import dwt.widgets.Shell;
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28
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29 class HelperAppLauncherDialog {
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30 XPCOMObject supports;
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31 XPCOMObject helperAppLauncherDialog;
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32 int refCount = 0;
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33
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1a8b3cb347e0 Fix Ctors to 'this'
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34 this () {
0
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35 createCOMInterfaces ();
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36 }
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37
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38 int AddRef () {
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39 refCount++;
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40 return refCount;
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41 }
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42
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43 void createCOMInterfaces () {
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44 /* Create each of the interfaces that this object implements */
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45 supports = new XPCOMObject (new int[] {2, 0, 0}) {
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46 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
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47 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
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48 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
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49 };
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50
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51 helperAppLauncherDialog = new XPCOMObject (new int[] {2, 0, 0, 3, 5}) {
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52 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
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53 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
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54 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
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e831403a80a9 Add 'cast' to casts
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55 public int /*long*/ method3 (int /*long*/[] args) {return Show (args[0], args[1], cast(int)/*64*/args[2]);}
0
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56 public int /*long*/ method4 (int /*long*/[] args) {return PromptForSaveToFile (args[0], args[1], args[2], args[3], args[4]);}
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57 };
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58 }
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59
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60 void disposeCOMInterfaces () {
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61 if (supports !is null) {
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62 supports.dispose ();
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63 supports = null;
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64 }
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65 if (helperAppLauncherDialog !is null) {
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66 helperAppLauncherDialog.dispose ();
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67 helperAppLauncherDialog = null;
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68 }
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69 }
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70
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71 int /*long*/ getAddress () {
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72 return helperAppLauncherDialog.getAddress ();
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73 }
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74
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75 int QueryInterface (int /*long*/ riid, int /*long*/ ppvObject) {
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76 if (riid is 0 || ppvObject is 0) return XPCOM.NS_ERROR_NO_INTERFACE;
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77 nsID guid = new nsID ();
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78 XPCOM.memmove (guid, riid, nsID.sizeof);
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79
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80 if (guid.Equals (nsISupports.NS_ISUPPORTS_IID)) {
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81 XPCOM.memmove (ppvObject, new int /*long*/[] {supports.getAddress ()}, C.PTR_SIZEOF);
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82 AddRef ();
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83 return XPCOM.NS_OK;
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84 }
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85 if (guid.Equals (nsIHelperAppLauncherDialog.NS_IHELPERAPPLAUNCHERDIALOG_IID)) {
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86 XPCOM.memmove (ppvObject, new int /*long*/[] {helperAppLauncherDialog.getAddress ()}, C.PTR_SIZEOF);
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87 AddRef ();
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88 return XPCOM.NS_OK;
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89 }
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90
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91 XPCOM.memmove (ppvObject, new int /*long*/[] {0}, C.PTR_SIZEOF);
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92 return XPCOM.NS_ERROR_NO_INTERFACE;
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93 }
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94
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95 int Release () {
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96 refCount--;
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97 /*
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98 * Note. This instance lives as long as the download it is binded to.
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99 * Its reference count is expected to go down to 0 when the download
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100 * has completed or when it has been cancelled. E.g. when the user
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101 * cancels the File Dialog, cancels or closes the Download Dialog
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102 * and when the Download Dialog goes away after the download is completed.
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103 */
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104 if (refCount is 0) disposeCOMInterfaces ();
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105 return refCount;
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106 }
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107
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108 /* nsIHelperAppLauncherDialog */
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109
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110 int Show (int /*long*/ aLauncher, int /*long*/ aContext, int aReason) {
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111 /*
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112 * The interface for nsIHelperAppLauncher changed in GRE versions 1.8 and 1.9. Query for
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113 * each of these interfaces in turn until one is found.
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114 */
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115 nsISupports supports = new nsISupports (aLauncher);
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116 int /*long*/[] result = new int /*long*/[1];
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117 int rc = supports.QueryInterface (nsIHelperAppLauncher_1_9.NS_IHELPERAPPLAUNCHER_IID, result);
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118 if (rc is 0) {
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119 nsIHelperAppLauncher_1_9 helperAppLauncher = new nsIHelperAppLauncher_1_9 (aLauncher);
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120 rc = helperAppLauncher.SaveToDisk (0, 0);
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121 helperAppLauncher.Release ();
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122 return rc;
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123 }
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parents:
diff changeset
124
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diff changeset
125 result[0] = 0;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
126 rc = supports.QueryInterface (nsIHelperAppLauncher_1_8.NS_IHELPERAPPLAUNCHER_IID, result);
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parents:
diff changeset
127 if (rc is 0) {
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parents:
diff changeset
128 nsIHelperAppLauncher_1_8 helperAppLauncher = new nsIHelperAppLauncher_1_8 (aLauncher);
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parents:
diff changeset
129 rc = helperAppLauncher.SaveToDisk (0, 0);
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parents:
diff changeset
130 helperAppLauncher.Release ();
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parents:
diff changeset
131 return rc;
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parents:
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132 }
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parents:
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133
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parents:
diff changeset
134 nsIHelperAppLauncher helperAppLauncher = new nsIHelperAppLauncher (aLauncher); /* < 1.8 */
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parents:
diff changeset
135 return helperAppLauncher.SaveToDisk (0, 0);
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parents:
diff changeset
136 }
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parents:
diff changeset
137
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parents:
diff changeset
138 int PromptForSaveToFile (int /*long*/ arg0, int /*long*/ arg1, int /*long*/ arg2, int /*long*/ arg3, int /*long*/ arg4) {
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parents:
diff changeset
139 int /*long*/ aDefaultFile, aSuggestedFileExtension, _retval;
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parents:
diff changeset
140 bool hasLauncher = false;
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parents:
diff changeset
141
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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142 /*
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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143 * The interface for nsIHelperAppLauncherDialog changed as of mozilla 1.5 when an
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parents:
diff changeset
144 * extra argument was added to the PromptForSaveToFile method (this resulted in all
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
145 * subsequent arguments shifting right). The workaround is to provide an XPCOMObject
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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146 * that fits the newer API, and to use the first argument's type to infer whether
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
147 * the old or new nsIHelperAppLauncherDialog interface is being used (and by extension
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
148 * the ordering of the arguments). In mozilla >= 1.5 the first argument is an
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parents:
diff changeset
149 * nsIHelperAppLauncher.
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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150 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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151 /*
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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152 * The interface for nsIHelperAppLauncher changed as of mozilla 1.8, so the first
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
153 * argument must be queried for both the old and new nsIHelperAppLauncher interfaces.
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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154 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
155 bool using_1_8 = false, using_1_9 = false;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
156 nsISupports support = new nsISupports (arg0);
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
157 int /*long*/[] result = new int /*long*/[1];
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
158 int rc = support.QueryInterface (nsIHelperAppLauncher_1_8.NS_IHELPERAPPLAUNCHER_IID, result);
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
159 if (rc is 0) {
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
160 using_1_8 = true;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
161 hasLauncher = true;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
162 new nsISupports (result[0]).Release ();
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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163 } else {
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parents:
diff changeset
164 result[0] = 0;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
165 rc = support.QueryInterface (nsIHelperAppLauncher_1_9.NS_IHELPERAPPLAUNCHER_IID, result);
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
166 if (rc is 0) {
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
167 using_1_9 = true;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
168 hasLauncher = true;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
169 new nsISupports (result[0]).Release ();
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
170 } else {
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
171 result[0] = 0;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
172 rc = support.QueryInterface (nsIHelperAppLauncher.NS_IHELPERAPPLAUNCHER_IID, result);
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
173 if (rc is 0) {
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
174 hasLauncher = true;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
175 new nsISupports (result[0]).Release ();
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
176 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
177 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
178 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
179 result[0] = 0;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
180
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
181 if (hasLauncher) { /* >= 1.5 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
182 aDefaultFile = arg2;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
183 aSuggestedFileExtension = arg3;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
184 _retval = arg4;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
185 } else { /* 1.4 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
186 aDefaultFile = arg1;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
187 aSuggestedFileExtension = arg2;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
188 _retval = arg3;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
189 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
190
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
191 int length = XPCOM.strlen_PRUnichar (aDefaultFile);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
192 char[] dest = new char[length];
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
193 XPCOM.memmove (dest, aDefaultFile, length * 2);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
194 String defaultFile = new String (dest);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
195
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
196 length = XPCOM.strlen_PRUnichar (aSuggestedFileExtension);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
197 dest = new char[length];
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
198 XPCOM.memmove (dest, aSuggestedFileExtension, length * 2);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
199 String suggestedFileExtension = new String (dest);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
200
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
201 Shell shell = new Shell ();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
202 FileDialog fileDialog = new FileDialog (shell, DWT.SAVE);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
203 fileDialog.setFileName (defaultFile);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
204 fileDialog.setFilterExtensions (new String[] {suggestedFileExtension});
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
205 String name = fileDialog.open ();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
206 shell.close ();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
207 if (name is null) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
208 if (hasLauncher) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
209 if (using_1_8) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
210 nsIHelperAppLauncher_1_8 launcher = new nsIHelperAppLauncher_1_8 (arg0);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
211 rc = launcher.Cancel (XPCOM.NS_BINDING_ABORTED);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
212 } else if (using_1_9) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
213 nsIHelperAppLauncher_1_9 launcher = new nsIHelperAppLauncher_1_9 (arg0);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
214 rc = launcher.Cancel (XPCOM.NS_BINDING_ABORTED);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
215 } else {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
216 nsIHelperAppLauncher launcher = new nsIHelperAppLauncher (arg0);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
217 rc = launcher.Cancel ();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
218 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
219 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
220 return XPCOM.NS_OK;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
221 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
222 return XPCOM.NS_ERROR_FAILURE;
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
223 }
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
224 nsEmbedString path = new nsEmbedString (name);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
225 rc = XPCOM.NS_NewLocalFile (path.getAddress (), 1, result);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
226 path.dispose ();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
227 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
228 if (result[0] is 0) Mozilla.error (XPCOM.NS_ERROR_NULL_POINTER);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
229 /* Our own nsIDownload has been registered during the Browser initialization. It will be invoked by Mozilla. */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
230 XPCOM.memmove (_retval, result, C.PTR_SIZEOF);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
231 return XPCOM.NS_OK;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
232 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
233 }