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annotate dwt/browser/WindowCreator2.d @ 305:c7c696cdfec2

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Mozilla module progress; fixes to other browser modules; update XPCOM interfaces
author John Reimer<terminal.node@gmail.com>
date Sat, 16 Aug 2008 22:53:35 -0700
parents b72d84d1ba95
children 3f4a5c7d138f
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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.WindowCreator2;
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14
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15 //import dwt.dwthelper.utils;
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17 import dwt.DWT;
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18 import dwt.graphics.Point;
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19 //import dwt.internal.C;
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20 import dwt.internal.Platform;
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21 import dwt.internal.mozilla.XPCOM;
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22 //import dwt.internal.mozilla.XPCOMObject;
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23 import dwt.internal.mozilla.nsIBaseWindow;
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24 import dwt.internal.mozilla.nsID;
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25 import dwt.internal.mozilla.nsISupports;
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26 import dwt.internal.mozilla.nsIURI;
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27 import dwt.internal.mozilla.nsIWebBrowser;
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28 import dwt.internal.mozilla.nsIWebBrowserChrome;
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29 import dwt.internal.mozilla.nsIWindowCreator;
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30 import dwt.internal.mozilla.nsIWindowCreator2;
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31 import dwt.layout.FillLayout;
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32 import dwt.widgets.Shell;
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33
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34 class WindowCreator2 : nsIWindowCreator2{
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35 // XPCOMObject supports;
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36 // XPCOMObject windowCreator;
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37 // XPCOMObject windowCreator2;
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38 int refCount = 0;
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39
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40 this () {
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41 // createCOMInterfaces ();
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42 }
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43
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44 nsrefcnt AddRef () {
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45 refCount++;
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46 return refCount;
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47 }
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48
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49 nsresult QueryInterface (nsID* riid, void** ppvObject) {
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50 if (riid is null || ppvObject is null) return XPCOM.NS_ERROR_NO_INTERFACE;
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51 //nsID guid = new nsID ();
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52 //XPCOM.memmove (guid, riid, nsID.sizeof);
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53
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54 if (*riid == nsISupports.IID) {
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55 *ppvObject = cast(void*)cast(nsISupports)this;
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56 AddRef ();
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57 return XPCOM.NS_OK;
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58 }
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59 if (*riid == nsIWindowCreator.IID) {
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60 *ppvObject = cast(void*)cast(nsIWindowCreator)this;
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61 AddRef ();
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62 return XPCOM.NS_OK;
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63 }
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64 if (*riid == nsIWindowCreator2.IID) {
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65 *ppvObject == cast(void*)cast(nsIWindowCreator2)this;
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66 AddRef ();
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67 return XPCOM.NS_OK;
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68 }
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69
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70 *ppvObject = null;
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71 return XPCOM.NS_ERROR_NO_INTERFACE;
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72 }
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73
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74 nsresult Release () {
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75 refCount--;
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76 //if (refCount is 0) disposeCOMInterfaces ();
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77 return refCount;
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78 }
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79
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80 /* nsIWindowCreator */
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81
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82 nsresult CreateChromeWindow (nsIWebBrowserChrome parent, PRUint32 chromeFlags, nsIWebBrowserChrome* _retval) {
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83 return CreateChromeWindow2 (parent, chromeFlags, 0, null, null, _retval);
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84 }
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85
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86 /* nsIWindowCreator2 */
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87
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88 nsresult CreateChromeWindow2 (nsIWebBrowserChrome parent, PRUint32 chromeFlags, PRUint32 contextFlags, nsIURI uri, PRBool* cancel, nsIWebBrowserChrome* _retval) {
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89 if (parent is null && (chromeFlags & nsIWebBrowserChrome.CHROME_OPENAS_CHROME) is 0) {
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90 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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91 }
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92 Browser src = null;
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93 if (parent !is null) {
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94 //nsIWebBrowserChrome browserChromeParent = new nsIWebBrowserChrome (parent);
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95 nsIWebBrowser webBrowser;
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96 int rc = parent.GetWebBrowser (&webBrowser);
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97 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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98 if (webBrowser is null) Mozilla.error (XPCOM.NS_ERROR_NO_INTERFACE);
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99
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100 //nsIWebBrowser webBrowser = new nsIWebBrowser (aWebBrowser[0]);
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101 nsIBaseWindow baseWindow;
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102 rc = webBrowser.QueryInterface (nsIBaseWindow.IID, cast(void**)&baseWindow);
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103 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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104 if (baseWindow is null) Mozilla.error (XPCOM.NS_ERROR_NO_INTERFACE);
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105 webBrowser.Release ();
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106
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107 //nsIBaseWindow baseWindow = new nsIBaseWindow (result[0]);
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108 //result[0] = 0;
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109 nativeWindow aParentNativeWindow; // nativeWindow is "void*" (represents GtkWidget*)
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110 rc = baseWindow.GetParentNativeWindow (&aParentNativeWindow);
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111 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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112 if (aParentNativeWindow is null) Mozilla.error (XPCOM.NS_ERROR_NO_INTERFACE);
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113 baseWindow.Release ();
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114
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115 src = Mozilla.findBrowser (aParentNativeWindow);
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116 }
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117 Browser browser;
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118 bool doit = true;
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119 if ((chromeFlags & nsIWebBrowserChrome.CHROME_OPENAS_CHROME) !is 0) {
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120 /*
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121 * Mozilla will request a new Browser in a modal window in order to emulate a native
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122 * dialog that is not available to it (eg.- a print dialog on Linux). For this
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123 * reason modal requests are handled here so that the user is not exposed to them.
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124 */
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125 int style = DWT.DIALOG_TRIM;
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126 if ((chromeFlags & nsIWebBrowserChrome.CHROME_MODAL) !is 0) style |= DWT.APPLICATION_MODAL;
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127 Shell shell = src is null ?
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128 new Shell (style) :
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129 new Shell (src.getShell(), style);
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130 shell.setLayout (new FillLayout ());
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131 browser = new Browser (shell, src is null ? DWT.MOZILLA : src.getStyle () & DWT.MOZILLA);
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132 browser.addVisibilityWindowListener (new class(shell) VisibilityWindowListener {
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133 Shell sh;
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134 this (Shell shell) { this.sh = shell; }
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135 public void hide (WindowEvent event) {
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136 }
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137 public void show (WindowEvent event) {
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138 if (event.location !is null) sh.setLocation (event.location);
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139 if (event.size !is null) {
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140 Point size = event.size;
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141 sh.setSize (sh.computeSize (size.x, size.y));
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142 }
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143 shell.open ();
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144 }
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145 });
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146 browser.addCloseWindowListener (new class(shell) CloseWindowListener {
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147 Shell sh;
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148 this (Shell shell) { this.shell = shell; }
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149 public void close (WindowEvent event) {
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150 sh.close ();
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151 }
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152 });
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153 if (uri !is null) {
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154 //nsIURI location = new nsIURI (uri);
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155 scope auto aSpec = new nsEmbedCString;
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156 if (uri.GetSpec (cast(nsACString*)aSpec) is XPCOM.NS_OK) {
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157 int span = aSpec.toString().length;
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158 if (span > 0) {
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159 //int /*long*/ buffer = XPCOM.nsEmbedCString_get (aSpec);
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160 // byte[] dest = new byte[length];
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161 //XPCOM.memmove (dest, buffer, length);
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162 browser.setUrl (aSpec.toString);
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163 }
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164 }
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165 XPCOM.nsEmbedCString_delete (aSpec);
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166 }
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167 } else {
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168 WindowEvent event = new WindowEvent (src);
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169 event.display = src.getDisplay ();
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170 event.widget = src;
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171 event.required = true;
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172 for (int i = 0; i < src.webBrowser.openWindowListeners.length; i++) {
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173 src.webBrowser.openWindowListeners[i].open (event);
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174 }
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175 browser = event.browser;
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176
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177 /* Ensure that the Browser provided by the client is valid for use */
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178 doit = browser !is null && !browser.isDisposed ();
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179 if (doit) {
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180 String platform = Platform.PLATFORM;
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181 bool isMozillaNativePlatform = platform == "gtk" || platform == "motif"; //$NON-NLS-1$ //$NON-NLS-2$
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182 doit = isMozillaNativePlatform || (browser.getStyle () & DWT.MOZILLA) !is 0;
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183 }
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184 }
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185 if (doit) {
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186 // STRANGE but TRUE: browser.webBrowser is always instantiated as Mozilla (on this platform),
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187 // so it can be cast back to the subclass Mozilla safely. Looks very dangerous, though...
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188 // considering the next few lines of code that cast the Mozilla class to the interface,
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189 // nsIWebBrowserChrome.
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190 // This is an ugly D conversion hack because interfaces are implemented differently than
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191 // in the Java SWT version. Watch this code section carefully for errors/bugs. -JJR
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192 Mozilla mozilla = cast(Mozilla)browser.webBrowser;
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193 mozilla.isChild = true;
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194 // And since Mozilla class implements the nsIWebBrowserChrome interface....
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195 nsIWebBrowserChrome chrome;
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196 nsresult rc = mozilla.QueryInterface( nsIWebBrowserChrome.IID, cast(void**)&chrome);
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197 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
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198 //nsIWebBrowserChrome webBrowserChrome = new nsIWebBrowserChrome (chromePtr);
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199 chrome.SetChromeFlags (chromeFlags);
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200 //chrome.AddRef ();
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201 //XPCOM.memmove (_retval, new int /*long*/[] {chromePtr}, C.PTR_SIZEOF);
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202 *_retval = chrome;
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203 } else {
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204 if (cancel !is null) {
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205 *cancel = 1; /* PRBool */
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206 }
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207 }
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208 return doit ? XPCOM.NS_OK : XPCOM.NS_ERROR_NOT_IMPLEMENTED;
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209 }
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210 }