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author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
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children 1a8b3cb347e0
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-1:000000000000 0:380af2bdd8e5
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 *******************************************************************************/
11 module dwt.browser.Download;
12
13 import dwt.dwthelper.utils;
14
15 import dwt.DWT;
16 import dwt.internal.C;
17 import dwt.internal.Compatibility;
18 import dwt.internal.mozilla.XPCOM;
19 import dwt.internal.mozilla.XPCOMObject;
20 import dwt.internal.mozilla.nsID;
21 import dwt.internal.mozilla.nsIDownload;
22 import dwt.internal.mozilla.nsIHelperAppLauncher;
23 import dwt.internal.mozilla.nsILocalFile;
24 import dwt.internal.mozilla.nsIProgressDialog;
25 import dwt.internal.mozilla.nsISupports;
26 import dwt.internal.mozilla.nsIURI;
27 import dwt.internal.mozilla.nsIWebProgressListener;
28 import dwt.layout.GridData;
29 import dwt.layout.GridLayout;
30 import dwt.widgets.Button;
31 import dwt.widgets.Event;
32 import dwt.widgets.Label;
33 import dwt.widgets.Listener;
34 import dwt.widgets.Shell;
35
36 class Download {
37 XPCOMObject supports;
38 XPCOMObject download;
39 XPCOMObject progressDialog;
40 XPCOMObject webProgressListener;
41 nsIHelperAppLauncher helperAppLauncher;
42 int refCount = 0;
43
44 Shell shell;
45 Label status;
46 Button cancel;
47
48 Download () {
49 createCOMInterfaces ();
50 }
51
52 int AddRef () {
53 refCount++;
54 return refCount;
55 }
56
57 void createCOMInterfaces () {
58 /* Create each of the interfaces that this object implements */
59 supports = new XPCOMObject (new int[] {2, 0, 0}) {
60 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
61 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
62 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
63 };
64
65 download = new XPCOMObject (new int[] {2, 0, 0, 7, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1}) {
66 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
67 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
68 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
69 public int /*long*/ method3 (int /*long*/[] args) {return Init (args[0], args[1], args[2], args[3], args[4], args[5], args[6]);}
70 public int /*long*/ method4 (int /*long*/[] args) {return GetSource (args[0]);}
71 public int /*long*/ method5 (int /*long*/[] args) {return GetTarget (args[0]);}
72 public int /*long*/ method6 (int /*long*/[] args) {return GetPersist (args[0]);}
73 public int /*long*/ method7 (int /*long*/[] args) {return GetPercentComplete (args[0]);}
74 public int /*long*/ method8 (int /*long*/[] args) {return GetDisplayName (args[0]);}
75 public int /*long*/ method9 (int /*long*/[] args) {return SetDisplayName (args[0]);}
76 public int /*long*/ method10 (int /*long*/[] args) {return GetStartTime (args[0]);}
77 public int /*long*/ method11 (int /*long*/[] args) {return GetMIMEInfo (args[0]);}
78 public int /*long*/ method12 (int /*long*/[] args) {return GetListener (args[0]);}
79 public int /*long*/ method13 (int /*long*/[] args) {return SetListener (args[0]);}
80 public int /*long*/ method14 (int /*long*/[] args) {return GetObserver (args[0]);}
81 public int /*long*/ method15 (int /*long*/[] args) {return SetObserver (args[0]);}
82 };
83
84 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}) {
85 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
86 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
87 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
88 public int /*long*/ method3 (int /*long*/[] args) {return Init (args[0], args[1], args[2], args[3], args[4], args[5], args[6]);}
89 public int /*long*/ method4 (int /*long*/[] args) {return GetSource (args[0]);}
90 public int /*long*/ method5 (int /*long*/[] args) {return GetTarget (args[0]);}
91 public int /*long*/ method6 (int /*long*/[] args) {return GetPersist (args[0]);}
92 public int /*long*/ method7 (int /*long*/[] args) {return GetPercentComplete (args[0]);}
93 public int /*long*/ method8 (int /*long*/[] args) {return GetDisplayName (args[0]);}
94 public int /*long*/ method9 (int /*long*/[] args) {return SetDisplayName (args[0]);}
95 public int /*long*/ method10 (int /*long*/[] args) {return GetStartTime (args[0]);}
96 public int /*long*/ method11 (int /*long*/[] args) {return GetMIMEInfo (args[0]);}
97 public int /*long*/ method12 (int /*long*/[] args) {return GetListener (args[0]);}
98 public int /*long*/ method13 (int /*long*/[] args) {return SetListener (args[0]);}
99 public int /*long*/ method14 (int /*long*/[] args) {return GetObserver (args[0]);}
100 public int /*long*/ method15 (int /*long*/[] args) {return SetObserver (args[0]);}
101 public int /*long*/ method16 (int /*long*/[] args) {return Open (args[0]);}
102 public int /*long*/ method17 (int /*long*/[] args) {return GetCancelDownloadOnClose (args[0]);}
103 public int /*long*/ method18 (int /*long*/[] args) {return SetCancelDownloadOnClose ((int)/*64*/args[0]);}
104 public int /*long*/ method19 (int /*long*/[] args) {return GetDialog (args[0]);}
105 public int /*long*/ method20 (int /*long*/[] args) {return SetDialog (args[0]);}
106 };
107
108 webProgressListener = new XPCOMObject (new int[] {2, 0, 0, 4, 6, 3, 4, 3}) {
109 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
110 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
111 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
112 public int /*long*/ method3 (int /*long*/[] args) {return OnStateChange (args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3]);}
113 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]);}
114 public int /*long*/ method5 (int /*long*/[] args) {return OnLocationChange (args[0], args[1], args[2]);}
115 public int /*long*/ method6 (int /*long*/[] args) {return OnStatusChange (args[0], args[1], (int)/*64*/args[2], args[3]);}
116 public int /*long*/ method7 (int /*long*/[] args) {return OnSecurityChange (args[0], args[1], (int)/*64*/args[2]);}
117 };
118 }
119
120 void disposeCOMInterfaces () {
121 if (supports !is null) {
122 supports.dispose ();
123 supports = null;
124 }
125 if (download !is null) {
126 download.dispose ();
127 download = null;
128 }
129 if (progressDialog !is null) {
130 progressDialog.dispose ();
131 progressDialog = null;
132 }
133 if (webProgressListener !is null) {
134 webProgressListener.dispose ();
135 webProgressListener = null;
136 }
137 }
138
139 int /*long*/ getAddress () {
140 return progressDialog.getAddress ();
141 }
142
143 int QueryInterface (int /*long*/ riid, int /*long*/ ppvObject) {
144 if (riid is 0 || ppvObject is 0) return XPCOM.NS_ERROR_NO_INTERFACE;
145 nsID guid = new nsID ();
146 XPCOM.memmove (guid, riid, nsID.sizeof);
147
148 if (guid.Equals (nsISupports.NS_ISUPPORTS_IID)) {
149 XPCOM.memmove (ppvObject, new int /*long*/[] {supports.getAddress ()}, C.PTR_SIZEOF);
150 AddRef();
151 return XPCOM.NS_OK;
152 }
153 if (guid.Equals (nsIDownload.NS_IDOWNLOAD_IID)) {
154 XPCOM.memmove (ppvObject, new int /*long*/[] {download.getAddress ()}, C.PTR_SIZEOF);
155 AddRef();
156 return XPCOM.NS_OK;
157 }
158 if (guid.Equals (nsIProgressDialog.NS_IPROGRESSDIALOG_IID)) {
159 XPCOM.memmove (ppvObject, new int /*long*/[] {progressDialog.getAddress ()}, C.PTR_SIZEOF);
160 AddRef();
161 return XPCOM.NS_OK;
162 }
163 if (guid.Equals (nsIWebProgressListener.NS_IWEBPROGRESSLISTENER_IID)) {
164 XPCOM.memmove (ppvObject, new int /*long*/[] {webProgressListener.getAddress ()}, C.PTR_SIZEOF);
165 AddRef();
166 return XPCOM.NS_OK;
167 }
168 XPCOM.memmove (ppvObject, new int /*long*/[] {0}, C.PTR_SIZEOF);
169 return XPCOM.NS_ERROR_NO_INTERFACE;
170 }
171
172 int Release () {
173 refCount--;
174 if (refCount is 0) disposeCOMInterfaces ();
175 return refCount;
176 }
177
178 /* nsIDownload */
179
180 /* Note. The argument startTime is defined as a PRInt64. This translates into two java ints. */
181 int Init (int /*long*/ aSource, int /*long*/ aTarget, int /*long*/ aDisplayName, int /*long*/ aMIMEInfo, int /*long*/ startTime1, int /*long*/ startTime2, int /*long*/ aPersist) {
182 nsIURI source = new nsIURI (aSource);
183 int /*long*/ aSpec = XPCOM.nsEmbedCString_new ();
184 int rc = source.GetHost (aSpec);
185 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
186 int length = XPCOM.nsEmbedCString_Length (aSpec);
187 int /*long*/ buffer = XPCOM.nsEmbedCString_get (aSpec);
188 byte[] dest = new byte[length];
189 XPCOM.memmove (dest, buffer, length);
190 XPCOM.nsEmbedCString_delete (aSpec);
191 String url = new String (dest);
192
193 /*
194 * As of mozilla 1.7 the second argument of the nsIDownload interface's
195 * Init function changed from nsILocalFile to nsIURI. Detect which of
196 * these interfaces the second argument implements and act accordingly.
197 */
198 String filename = null;
199 nsISupports supports = new nsISupports (aTarget);
200 int /*long*/[] result = new int /*long*/[1];
201 rc = supports.QueryInterface (nsIURI.NS_IURI_IID, result);
202 if (rc is 0) { /* >= 1.7 */
203 nsIURI target = new nsIURI (result[0]);
204 result[0] = 0;
205 int /*long*/ aPath = XPCOM.nsEmbedCString_new ();
206 rc = target.GetPath (aPath);
207 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
208 length = XPCOM.nsEmbedCString_Length (aPath);
209 buffer = XPCOM.nsEmbedCString_get (aPath);
210 dest = new byte[length];
211 XPCOM.memmove (dest, buffer, length);
212 XPCOM.nsEmbedCString_delete (aPath);
213 filename = new String (dest);
214 int separator = filename.lastIndexOf (System.getProperty ("file.separator")); //$NON-NLS-1$
215 filename = filename.substring (separator + 1);
216 target.Release ();
217 } else { /* < 1.7 */
218 nsILocalFile target = new nsILocalFile (aTarget);
219 int /*long*/ aNativeTarget = XPCOM.nsEmbedCString_new ();
220 rc = target.GetNativeLeafName (aNativeTarget);
221 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
222 length = XPCOM.nsEmbedCString_Length (aNativeTarget);
223 buffer = XPCOM.nsEmbedCString_get (aNativeTarget);
224 dest = new byte[length];
225 XPCOM.memmove (dest, buffer, length);
226 XPCOM.nsEmbedCString_delete (aNativeTarget);
227 filename = new String (dest);
228 }
229
230 Listener listener = new Listener () {
231 public void handleEvent (Event event) {
232 if (event.widget is cancel) {
233 shell.close ();
234 }
235 if (helperAppLauncher !is null) {
236 helperAppLauncher.Cancel ();
237 helperAppLauncher.Release ();
238 }
239 shell = null;
240 helperAppLauncher = null;
241 }
242 };
243 shell = new Shell (DWT.DIALOG_TRIM);
244 String msg = Compatibility.getMessage ("SWT_Download_File", new Object[] {filename}); //$NON-NLS-1$
245 shell.setText (msg);
246 GridLayout gridLayout = new GridLayout ();
247 gridLayout.marginHeight = 15;
248 gridLayout.marginWidth = 15;
249 gridLayout.verticalSpacing = 20;
250 shell.setLayout(gridLayout);
251 msg = Compatibility.getMessage ("SWT_Download_Location", new Object[] {filename, url}); //$NON-NLS-1$
252 new Label (shell, DWT.SIMPLE).setText (msg);
253 status = new Label (shell, DWT.SIMPLE);
254 msg = Compatibility.getMessage ("SWT_Download_Started"); //$NON-NLS-1$
255 status.setText (msg);
256 GridData data = new GridData ();
257 data.grabExcessHorizontalSpace = true;
258 data.grabExcessVerticalSpace = true;
259 status.setLayoutData (data);
260
261 cancel = new Button (shell, DWT.PUSH);
262 cancel.setText (DWT.getMessage ("SWT_Cancel")); //$NON-NLS-1$
263 data = new GridData ();
264 data.horizontalAlignment = GridData.CENTER;
265 cancel.setLayoutData (data);
266 cancel.addListener (DWT.Selection, listener);
267 shell.addListener (DWT.Close, listener);
268 shell.pack ();
269 shell.open ();
270 return XPCOM.NS_OK;
271 }
272
273 int GetSource (int /*long*/ aSource) {
274 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
275 }
276
277 int GetTarget (int /*long*/ aTarget) {
278 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
279 }
280
281 int GetPersist (int /*long*/ aPersist) {
282 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
283 }
284
285 int GetPercentComplete (int /*long*/ aPercentComplete) {
286 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
287 }
288
289 int GetDisplayName (int /*long*/ aDisplayName) {
290 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
291 }
292
293 int SetDisplayName (int /*long*/ aDisplayName) {
294 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
295 }
296
297 int GetStartTime (int /*long*/ aStartTime) {
298 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
299 }
300
301 int GetMIMEInfo (int /*long*/ aMIMEInfo) {
302 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
303 }
304
305 int GetListener (int /*long*/ aListener) {
306 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
307 }
308
309 int SetListener (int /*long*/ aListener) {
310 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
311 }
312
313 int GetObserver (int /*long*/ aObserver) {
314 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
315 }
316
317 int SetObserver (int /*long*/ aObserver) {
318 if (aObserver !is 0) {
319 nsISupports supports = new nsISupports (aObserver);
320 int /*long*/[] result = new int /*long*/[1];
321 int rc = supports.QueryInterface (nsIHelperAppLauncher.NS_IHELPERAPPLAUNCHER_IID, result);
322 if (rc !is XPCOM.NS_OK) Mozilla.error (rc);
323 if (result[0] is 0) Mozilla.error (XPCOM.NS_ERROR_NO_INTERFACE);
324 helperAppLauncher = new nsIHelperAppLauncher (result[0]);
325 }
326 return XPCOM.NS_OK;
327 }
328
329 /* nsIProgressDialog */
330 int Open (int /*long*/ aParent) {
331 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
332 }
333
334 int GetCancelDownloadOnClose (int /*long*/ aCancelDownloadOnClose) {
335 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
336 }
337
338 int SetCancelDownloadOnClose (int aCancelDownloadOnClose) {
339 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
340 }
341
342 int GetDialog (int /*long*/ aDialog) {
343 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
344 }
345
346 int SetDialog (int /*long*/ aDialog) {
347 return XPCOM.NS_ERROR_NOT_IMPLEMENTED;
348 }
349
350 /* nsIWebProgressListener */
351
352 int OnStateChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aStateFlags, int aStatus) {
353 if ((aStateFlags & nsIWebProgressListener.STATE_STOP) !is 0) {
354 if (helperAppLauncher !is null) helperAppLauncher.Release ();
355 helperAppLauncher = null;
356 if (shell !is null && !shell.isDisposed ()) shell.dispose ();
357 shell = null;
358 }
359 return XPCOM.NS_OK;
360 }
361
362 int OnProgressChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aCurSelfProgress, int aMaxSelfProgress, int aCurTotalProgress, int aMaxTotalProgress) {
363 int currentKBytes = aCurTotalProgress / 1024;
364 int totalKBytes = aMaxTotalProgress / 1024;
365 if (shell !is null && !shell.isDisposed ()) {
366 Object[] arguments = {new Integer (currentKBytes), new Integer (totalKBytes)};
367 String statusMsg = Compatibility.getMessage ("SWT_Download_Status", arguments); //$NON-NLS-1$
368 status.setText (statusMsg);
369 shell.layout (true);
370 shell.getDisplay ().update ();
371 }
372 return XPCOM.NS_OK;
373 }
374
375 int OnLocationChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int /*long*/ aLocation) {
376 return XPCOM.NS_OK;
377 }
378
379 int OnStatusChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int aStatus, int /*long*/ aMessage) {
380 return XPCOM.NS_OK;
381 }
382
383 int OnSecurityChange (int /*long*/ aWebProgress, int /*long*/ aRequest, int state) {
384 return XPCOM.NS_OK;
385 }
386 }