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old branches... commit by mistake
author John Reimer<terminal.node@gmail.com>
date Tue, 05 Aug 2008 18:00:50 -0700
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287:9cbe6285f746 288:4ee8c4237614
1 /*******************************************************************************
2 * Copyright (c) 2003, 2007 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * John Reimer <terminal.node@gmail.com>
12 *******************************************************************************/
13 module dwt.browser.Download;
14
15 import dwt.dwthelper.utils;
16
17 import dwt.DWT;
18 import dwt.internal.C;
19 import dwt.internal.Compatibility;
20 import dwt.internal.mozilla.XPCOM;
21 import dwt.internal.mozilla.XPCOMObject;
22 import dwt.internal.mozilla.nsID;
23 import dwt.internal.mozilla.nsIDownload;
24 import dwt.internal.mozilla.nsIHelperAppLauncher;
25 import dwt.internal.mozilla.nsILocalFile;
26 import dwt.internal.mozilla.nsIProgressDialog;
27 import dwt.internal.mozilla.nsISupports;
28 import dwt.internal.mozilla.nsIURI;
29 import dwt.internal.mozilla.nsIWebProgressListener;
30 import dwt.layout.GridData;
31 import dwt.layout.GridLayout;
32 import dwt.widgets.Button;
33 import dwt.widgets.Event;
34 import dwt.widgets.Label;
35 import dwt.widgets.Listener;
36 import dwt.widgets.Shell;
37
38 class Download {
39 XPCOMObject supports;
40 XPCOMObject download;
41 XPCOMObject progressDialog;
42 XPCOMObject webProgressListener;
43 nsIHelperAppLauncher helperAppLauncher;
44 int refCount = 0;
45
46 Shell shell;
47 Label status;
48 Button cancel;
49
50 Download () {
51 createCOMInterfaces ();
52 }
53
54 int AddRef () {
55 refCount++;
56 return refCount;
57 }
58
59 void createCOMInterfaces () {
60 /* Create each of the interfaces that this object implements */
61 supports = new XPCOMObject (new int[] {2, 0, 0}) {
62 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
63 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
64 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
65 };
66
67 download = new XPCOMObject (new int[] {2, 0, 0, 7, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1}) {
68 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
69 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
70 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
71 public int /*long*/ method3 (int /*long*/[] args) {return Init (args[0], args[1], args[2], args[3], args[4], args[5], args[6]);}
72 public int /*long*/ method4 (int /*long*/[] args) {return GetSource (args[0]);}
73 public int /*long*/ method5 (int /*long*/[] args) {return GetTarget (args[0]);}
74 public int /*long*/ method6 (int /*long*/[] args) {return GetPersist (args[0]);}
75 public int /*long*/ method7 (int /*long*/[] args) {return GetPercentComplete (args[0]);}
76 public int /*long*/ method8 (int /*long*/[] args) {return GetDisplayName (args[0]);}
77 public int /*long*/ method9 (int /*long*/[] args) {return SetDisplayName (args[0]);}
78 public int /*long*/ method10 (int /*long*/[] args) {return GetStartTime (args[0]);}
79 public int /*long*/ method11 (int /*long*/[] args) {return GetMIMEInfo (args[0]);}
80 public int /*long*/ method12 (int /*long*/[] args) {return GetListener (args[0]);}
81 public int /*long*/ method13 (int /*long*/[] args) {return SetListener (args[0]);}
82 public int /*long*/ method14 (int /*long*/[] args) {return GetObserver (args[0]);}
83 public int /*long*/ method15 (int /*long*/[] args) {return SetObserver (args[0]);}
84 };
85
86 progressDialog = new XPCOMObject (new int[] {2, 0, 0, 7, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}) {
87 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
88 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
89 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
90 public int /*long*/ method3 (int /*long*/[] args) {return Init (args[0], args[1], args[2], args[3], args[4], args[5], args[6]);}
91 public int /*long*/ method4 (int /*long*/[] args) {return GetSource (args[0]);}
92 public int /*long*/ method5 (int /*long*/[] args) {return GetTarget (args[0]);}
93 public int /*long*/ method6 (int /*long*/[] args) {return GetPersist (args[0]);}
94 public int /*long*/ method7 (int /*long*/[] args) {return GetPercentComplete (args[0]);}
95 public int /*long*/ method8 (int /*long*/[] args) {return GetDisplayName (args[0]);}
96 public int /*long*/ method9 (int /*long*/[] args) {return SetDisplayName (args[0]);}
97 public int /*long*/ method10 (int /*long*/[] args) {return GetStartTime (args[0]);}
98 public int /*long*/ method11 (int /*long*/[] args) {return GetMIMEInfo (args[0]);}
99 public int /*long*/ method12 (int /*long*/[] args) {return GetListener (args[0]);}
100 public int /*long*/ method13 (int /*long*/[] args) {return SetListener (args[0]);}
101 public int /*long*/ method14 (int /*long*/[] args) {return GetObserver (args[0]);}
102 public int /*long*/ method15 (int /*long*/[] args) {return SetObserver (args[0]);}
103 public int /*long*/ method16 (int /*long*/[] args) {return Open (args[0]);}
104 public int /*long*/ method17 (int /*long*/[] args) {return GetCancelDownloadOnClose (args[0]);}
105 public int /*long*/ method18 (int /*long*/[] args) {return SetCancelDownloadOnClose ((int)/*64*/args[0]);}
106 public int /*long*/ method19 (int /*long*/[] args) {return GetDialog (args[0]);}
107 public int /*long*/ method20 (int /*long*/[] args) {return SetDialog (args[0]);}
108 };
109
110 webProgressListener = new XPCOMObject (new int[] {2, 0, 0, 4, 6, 3, 4, 3}) {
111 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
112 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
113 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
114 public int /*long*/ method3 (int /*long*/[] args) {return OnStateChange (args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3]);}
115 public int /*long*/ method4 (int /*long*/[] args) {return OnProgressChange (args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3], (int)/*64*/args[4], (int)/*64*/args[5]);}
116 public int /*long*/ method5 (int /*long*/[] args) {return OnLocationChange (args[0], args[1], args[2]);}
117 public int /*long*/ method6 (int /*long*/[] args) {return OnStatusChange (args[0], args[1], (int)/*64*/args[2], args[3]);}
118 public int /*long*/ method7 (int /*long*/[] args) {return OnSecurityChange (args[0], args[1], (int)/*64*/args[2]);}
119 };
120 }
121
122 void disposeCOMInterfaces () {
123 if (supports !is null) {
124 supports.dispose ();
125 supports = null;
126 }
127 if (download !is null) {
128 download.dispose ();
129 download = null;
130 }
131 if (progressDialog !is null) {
132 progressDialog.dispose ();
133 progressDialog = null;
134 }
135 if (webProgressListener !is null) {
136 webProgressListener.dispose ();
137 webProgressListener = null;
138 }
139 }
140
141 int /*long*/ getAddress () {
142 return progressDialog.getAddress ();
143 }
144
145 int QueryInterface (int /*long*/ riid, int /*long*/ ppvObject) {
146 if (riid is 0 || ppvObject is 0) return XPCOM.NS_ERROR_NO_INTERFACE;
147 nsID guid = new nsID ();
148 XPCOM.memmove (guid, riid, nsID.sizeof);
149
150 if (guid.Equals (nsISupports.NS_ISUPPORTS_IID)) {
151 XPCOM.memmove (ppvObject, new int /*long*/[] {supports.getAddress ()}, C.PTR_SIZEOF);
152 AddRef();
153 return XPCOM.NS_OK;
154 }
155 if (guid.Equals (nsIDownload.NS_IDOWNLOAD_IID)) {
156 XPCOM.memmove (ppvObject, new int /*long*/[] {download.getAddress ()}, C.PTR_SIZEOF);
157 AddRef();
158 return XPCOM.NS_OK;
159 }
160 if (guid.Equals (nsIProgressDialog.NS_IPROGRESSDIALOG_IID)) {
161 XPCOM.memmove (ppvObject, new int /*long*/[] {progressDialog.getAddress ()}, C.PTR_SIZEOF);
162 AddRef();
163 return XPCOM.NS_OK;
164 }
165 if (guid.Equals (nsIWebProgressListener.NS_IWEBPROGRESSLISTENER_IID)) {
166 XPCOM.memmove (ppvObject, new int /*long*/[] {webProgressListener.getAddress ()}, C.PTR_SIZEOF);
167 AddRef();
168 return XPCOM.NS_OK;
169 }
170 XPCOM.memmove (ppvObject, new int /*long*/[] {0}, C.PTR_SIZEOF);
171 return XPCOM.NS_ERROR_NO_INTERFACE;
172 }
173
174 int Release () {
175 refCount--;
176 if (refCount is 0) disposeCOMInterfaces ();
177 return refCount;
178 }
179
180 /* nsIDownload */
181
182 /* Note. The argument startTime is defined as a PRInt64. This translates into two java ints. */
183 int Init (int /*long*/ aSource, int /*long*/ aTarget, int /*long*/ aDisplayName, int /*long*/ aMIMEInfo, int /*long*/ startTime1, int /*long*/ startTime2, int /*long*/ aPersist) {
184 nsIURI source = new nsIURI (aSource);
185 int /*long*/ aSpec = XPCOM.nsEmbedCString_new ();
186 int rc = source.GetHost (aSpec);
187 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
188 int length = XPCOM.nsEmbedCString_Length (aSpec);
189 int /*long*/ buffer = XPCOM.nsEmbedCString_get (aSpec);
190 byte[] dest = new byte[length];
191 XPCOM.memmove (dest, buffer, length);
192 XPCOM.nsEmbedCString_delete (aSpec);
193 String url = new String (dest);
194
195 /*
196 * As of mozilla 1.7 the second argument of the nsIDownload interface's
197 * Init function changed from nsILocalFile to nsIURI. Detect which of
198 * these interfaces the second argument implements and act accordingly.
199 */
200 String filename = null;
201 nsISupports supports = new nsISupports (aTarget);
202 int /*long*/[] result = new int /*long*/[1];
203 rc = supports.QueryInterface (nsIURI.NS_IURI_IID, result);
204 if (rc is 0) { /* >= 1.7 */
205 nsIURI target = new nsIURI (result[0]);
206 result[0] = 0;
207 int /*long*/ aPath = XPCOM.nsEmbedCString_new ();
208 rc = target.GetPath (aPath);
209 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
210 length = XPCOM.nsEmbedCString_Length (aPath);
211 buffer = XPCOM.nsEmbedCString_get (aPath);
212 dest = new byte[length];
213 XPCOM.memmove (dest, buffer, length);
214 XPCOM.nsEmbedCString_delete (aPath);
215 filename = new String (dest);
216 int separator = filename.lastIndexOf (System.getProperty ("file.separator")); //$NON-NLS-1$
217 filename = filename.substring (separator + 1);
218 target.Release ();
219 } else { /* < 1.7 */
220 nsILocalFile target = new nsILocalFile (aTarget);
221 int /*long*/ aNativeTarget = XPCOM.nsEmbedCString_new ();
222 rc = target.GetNativeLeafName (aNativeTarget);
223 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
224 length = XPCOM.nsEmbedCString_Length (aNativeTarget);
225 buffer = XPCOM.nsEmbedCString_get (aNativeTarget);
226 dest = new byte[length];
227 XPCOM.memmove (dest, buffer, length);
228 XPCOM.nsEmbedCString_delete (aNativeTarget);
229 filename = new String (dest);
230 }
231
232 Listener listener = new Listener () {
233 public void handleEvent (Event event) {
234 if (event.widget is cancel) {
235 shell.close ();
236 }
237 if (helperAppLauncher !is null) {
238 helperAppLauncher.Cancel ();
239 helperAppLauncher.Release ();
240 }
241 shell = null;
242 helperAppLauncher = null;
243 }
244 };
245 shell = new Shell (DWT.DIALOG_TRIM);
246 String msg = Compatibility.getMessage ("SWT_Download_File", new Object[] {filename}); //$NON-NLS-1$
247 shell.setText (msg);
248 GridLayout gridLayout = new GridLayout ();
249 gridLayout.marginHeight = 15;
250 gridLayout.marginWidth = 15;
251 gridLayout.verticalSpacing = 20;
252 shell.setLayout(gridLayout);
253 msg = Compatibility.getMessage ("SWT_Download_Location", new Object[] {filename, url}); //$NON-NLS-1$
254 new Label (shell, DWT.SIMPLE).setText (msg);
255 status = new Label (shell, DWT.SIMPLE);
256 msg = Compatibility.getMessage ("SWT_Download_Started"); //$NON-NLS-1$
257 status.setText (msg);
258 GridData data = new GridData ();
259 data.grabExcessHorizontalSpace = true;
260 data.grabExcessVerticalSpace = true;
261 status.setLayoutData (data);
262
263 cancel = new Button (shell, DWT.PUSH);
264 cancel.setText (DWT.getMessage ("SWT_Cancel")); //$NON-NLS-1$
265 data = new GridData ();
266 data.horizontalAlignment = GridData.CENTER;
267 cancel.setLayoutData (data);
268 cancel.addListener (DWT.Selection, listener);
269 shell.addListener (DWT.Close, listener);
270 shell.pack ();
271 shell.open ();
272 return XPCOM.NS_OK;
273 }
274
275 int GetSource (int /*long*/ aSource) {
276 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
277 }
278
279 int GetTarget (int /*long*/ aTarget) {
280 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
281 }
282
283 int GetPersist (int /*long*/ aPersist) {
284 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
285 }
286
287 int GetPercentComplete (int /*long*/ aPercentComplete) {
288 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
289 }
290
291 int GetDisplayName (int /*long*/ aDisplayName) {
292 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
293 }
294
295 int SetDisplayName (int /*long*/ aDisplayName) {
296 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
297 }
298
299 int GetStartTime (int /*long*/ aStartTime) {
300 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
301 }
302
303 int GetMIMEInfo (int /*long*/ aMIMEInfo) {
304 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
305 }
306
307 int GetListener (int /*long*/ aListener) {
308 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
309 }
310
311 int SetListener (int /*long*/ aListener) {
312 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
313 }
314
315 int GetObserver (int /*long*/ aObserver) {
316 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
317 }
318
319 int SetObserver (int /*long*/ aObserver) {
320 if (aObserver !is 0) {
321 nsISupports supports = new nsISupports (aObserver);
322 int /*long*/[] result = new int /*long*/[1];
323 int rc = supports.QueryInterface (nsIHelperAppLauncher.NS_IHELPERAPPLAUNCHER_IID, result);
324 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
325 if (result[0] is 0) Mozilla.error (XPCOM.NS_ERROR_NO_INTERFACE);
326 helperAppLauncher = new nsIHelperAppLauncher (result[0]);
327 }
328 return XPCOM.NS_OK;
329 }
330
331 /* nsIProgressDialog */
332 int Open (int /*long*/ aParent) {
333 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
334 }
335
336 int GetCancelDownloadOnClose (int /*long*/ aCancelDownloadOnClose) {
337 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
338 }
339
340 int SetCancelDownloadOnClose (int aCancelDownloadOnClose) {
341 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
342 }
343
344 int GetDialog (int /*long*/ aDialog) {
345 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
346 }
347
348 int SetDialog (int /*long*/ aDialog) {
349 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
350 }
351
352 /* nsIWebProgressListener */
353
354 int OnStateChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aStateFlags, int aStatus) {
355 if ((aStateFlags & nsIWebProgressListener.STATE_STOP) !is 0) {
356 if (helperAppLauncher !is null) helperAppLauncher.Release ();
357 helperAppLauncher = null;
358 if (shell !is null && !shell.isDisposed ()) shell.dispose ();
359 shell = null;
360 }
361 return XPCOM.NS_OK;
362 }
363
364 int OnProgressChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aCurSelfProgress, int aMaxSelfProgress, int aCurTotalProgress, int aMaxTotalProgress) {
365 int currentKBytes = aCurTotalProgress / 1024;
366 int totalKBytes = aMaxTotalProgress / 1024;
367 if (shell !is null && !shell.isDisposed ()) {
368 Object[] arguments = {new Integer (currentKBytes), new Integer (totalKBytes)};
369 String statusMsg = Compatibility.getMessage ("SWT_Download_Status", arguments); //$NON-NLS-1$
370 status.setText (statusMsg);
371 shell.layout (true);
372 shell.getDisplay ().update ();
373 }
374 return XPCOM.NS_OK;
375 }
376
377 int OnLocationChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int /*long*/ aLocation) {
378 return XPCOM.NS_OK;
379 }
380
381 int OnStatusChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aStatus, int /*long*/ aMessage) {
382 return XPCOM.NS_OK;
383 }
384
385 int OnSecurityChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int state) {
386 return XPCOM.NS_OK;
387 }
388 }