The Tor Browser / file comparison

comparison: embedding/components/printingui/src/win/nsPrintingPromptService.cpp

embedding/components/printingui/src/win/nsPrintingPromptService.cpp

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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #include "nsCOMPtr.h"
8
9 #include "nsPrintingPromptService.h"
10 #include "nsIPrintingPromptService.h"
11 #include "nsIFactory.h"
12 #include "nsPIDOMWindow.h"
13 #include "nsReadableUtils.h"
14 #include "nsIEmbeddingSiteWindow.h"
15 #include "nsIServiceManager.h"
16 #include "nsIWebBrowserChrome.h"
17 #include "nsIWindowWatcher.h"
18 #include "nsPrintDialogUtil.h"
19
20 // Printing Progress Includes
21 #include "nsPrintProgress.h"
22 #include "nsPrintProgressParams.h"
23 #include "nsIWebProgressListener.h"
24
25 // XP Dialog includes
26 #include "nsIDialogParamBlock.h"
27 #include "nsISupportsUtils.h"
28 #include "nsISupportsArray.h"
29
30 // Includes need to locate the native Window
31 #include "nsIWidget.h"
32 #include "nsIBaseWindow.h"
33 #include "nsIWebBrowserChrome.h"
34 #include "nsIDocShellTreeOwner.h"
35 #include "nsIDocShellTreeItem.h"
36 #include "nsIDocShell.h"
37 #include "nsIInterfaceRequestorUtils.h"
38
39
40 static const char *kPrintProgressDialogURL = "chrome://global/content/printProgress.xul";
41 static const char *kPrtPrvProgressDialogURL = "chrome://global/content/printPreviewProgress.xul";
42 static const char *kPageSetupDialogURL = "chrome://global/content/printPageSetup.xul";
43
44 /****************************************************************
45 ************************* ParamBlock ***************************
46 ****************************************************************/
47
48 class ParamBlock {
49
50 public:
51 ParamBlock()
52 {
53 mBlock = 0;
54 }
55 ~ParamBlock()
56 {
57 NS_IF_RELEASE(mBlock);
58 }
59 nsresult Init() {
60 return CallCreateInstance(NS_DIALOGPARAMBLOCK_CONTRACTID, &mBlock);
61 }
62 nsIDialogParamBlock * operator->() const { return mBlock; }
63 operator nsIDialogParamBlock * const () { return mBlock; }
64
65 private:
66 nsIDialogParamBlock *mBlock;
67 };
68
69 //*****************************************************************************
70
71 NS_IMPL_ISUPPORTS(nsPrintingPromptService, nsIPrintingPromptService, nsIWebProgressListener)
72
73 nsPrintingPromptService::nsPrintingPromptService()
74 {
75 }
76
77 //-----------------------------------------------------------
78 nsPrintingPromptService::~nsPrintingPromptService()
79 {
80 }
81
82 //-----------------------------------------------------------
83 nsresult
84 nsPrintingPromptService::Init()
85 {
86 nsresult rv;
87 mWatcher = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
88 return rv;
89 }
90
91 //-----------------------------------------------------------
92 HWND
93 nsPrintingPromptService::GetHWNDForDOMWindow(nsIDOMWindow *aWindow)
94 {
95 nsCOMPtr<nsIWebBrowserChrome> chrome;
96
97 // We might be embedded so check this path first
98 if (mWatcher) {
99 nsCOMPtr<nsIDOMWindow> fosterParent;
100 if (!aWindow)
101 { // it will be a dependent window. try to find a foster parent.
102 mWatcher->GetActiveWindow(getter_AddRefs(fosterParent));
103 aWindow = fosterParent;
104 }
105 mWatcher->GetChromeForWindow(aWindow, getter_AddRefs(chrome));
106 }
107
108 if (chrome) {
109 nsCOMPtr<nsIEmbeddingSiteWindow> site(do_QueryInterface(chrome));
110 if (site)
111 {
112 HWND w;
113 site->GetSiteWindow(reinterpret_cast<void **>(&w));
114 return w;
115 }
116 }
117
118 // Now we might be the Browser so check this path
119 nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(aWindow));
120
121 nsCOMPtr<nsIDocShellTreeItem> treeItem =
122 do_QueryInterface(window->GetDocShell());
123 if (!treeItem) return nullptr;
124
125 nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
126 treeItem->GetTreeOwner(getter_AddRefs(treeOwner));
127 if (!treeOwner) return nullptr;
128
129 nsCOMPtr<nsIWebBrowserChrome> webBrowserChrome(do_GetInterface(treeOwner));
130 if (!webBrowserChrome) return nullptr;
131
132 nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(webBrowserChrome));
133 if (!baseWin) return nullptr;
134
135 nsCOMPtr<nsIWidget> widget;
136 baseWin->GetMainWidget(getter_AddRefs(widget));
137 if (!widget) return nullptr;
138
139 return (HWND)widget->GetNativeData(NS_NATIVE_TMP_WINDOW);
140
141 }
142
143
144 ///////////////////////////////////////////////////////////////////////////////
145 // nsIPrintingPrompt
146
147 //-----------------------------------------------------------
148 NS_IMETHODIMP
149 nsPrintingPromptService::ShowPrintDialog(nsIDOMWindow *parent, nsIWebBrowserPrint *webBrowserPrint, nsIPrintSettings *printSettings)
150 {
151 NS_ENSURE_ARG(parent);
152
153 HWND hWnd = GetHWNDForDOMWindow(parent);
154 NS_ASSERTION(hWnd, "Couldn't get native window for PRint Dialog!");
155
156 return NativeShowPrintDialog(hWnd, webBrowserPrint, printSettings);
157 }
158
159
160 /* void showProgress (in nsIDOMWindow parent, in nsIWebBrowserPrint webBrowserPrint, in nsIPrintSettings printSettings, in nsIObserver openDialogObserver, in boolean isForPrinting, out nsIWebProgressListener webProgressListener, out nsIPrintProgressParams printProgressParams, out boolean notifyOnOpen); */
161 NS_IMETHODIMP
162 nsPrintingPromptService::ShowProgress(nsIDOMWindow* parent,
163 nsIWebBrowserPrint* webBrowserPrint, // ok to be null
164 nsIPrintSettings* printSettings, // ok to be null
165 nsIObserver* openDialogObserver, // ok to be null
166 bool isForPrinting,
167 nsIWebProgressListener** webProgressListener,
168 nsIPrintProgressParams** printProgressParams,
169 bool* notifyOnOpen)
170 {
171 NS_ENSURE_ARG(webProgressListener);
172 NS_ENSURE_ARG(printProgressParams);
173 NS_ENSURE_ARG(notifyOnOpen);
174
175 *notifyOnOpen = false;
176 if (mPrintProgress) {
177 *webProgressListener = nullptr;
178 *printProgressParams = nullptr;
179 return NS_ERROR_FAILURE;
180 }
181
182 nsPrintProgress* prtProgress = new nsPrintProgress();
183 mPrintProgress = prtProgress;
184 mWebProgressListener = prtProgress;
185
186 nsCOMPtr<nsIPrintProgressParams> prtProgressParams = new nsPrintProgressParams();
187
188 nsCOMPtr<nsIDOMWindow> parentWindow = parent;
189
190 if (mWatcher && !parentWindow) {
191 mWatcher->GetActiveWindow(getter_AddRefs(parentWindow));
192 }
193
194 if (parentWindow) {
195 mPrintProgress->OpenProgressDialog(parentWindow,
196 isForPrinting ? kPrintProgressDialogURL : kPrtPrvProgressDialogURL,
197 prtProgressParams, openDialogObserver, notifyOnOpen);
198 }
199
200 prtProgressParams.forget(printProgressParams);
201 NS_ADDREF(*webProgressListener = this);
202
203 return NS_OK;
204 }
205
206 /* void showPageSetup (in nsIDOMWindow parent, in nsIPrintSettings printSettings); */
207 NS_IMETHODIMP
208 nsPrintingPromptService::ShowPageSetup(nsIDOMWindow *parent, nsIPrintSettings *printSettings, nsIObserver *aObs)
209 {
210 NS_ENSURE_ARG(printSettings);
211
212 ParamBlock block;
213 nsresult rv = block.Init();
214 if (NS_FAILED(rv))
215 return rv;
216
217 block->SetInt(0, 0);
218 rv = DoDialog(parent, block, printSettings, kPageSetupDialogURL);
219
220 // if aWebBrowserPrint is not null then we are printing
221 // so we want to pass back NS_ERROR_ABORT on cancel
222 if (NS_SUCCEEDED(rv))
223 {
224 int32_t status;
225 block->GetInt(0, &status);
226 return status == 0?NS_ERROR_ABORT:NS_OK;
227 }
228
229 return rv;
230 }
231
232 /* void showPrinterProperties (in nsIDOMWindow parent, in wstring printerName, in nsIPrintSettings printSettings); */
233 NS_IMETHODIMP
234 nsPrintingPromptService::ShowPrinterProperties(nsIDOMWindow *parent, const char16_t *printerName, nsIPrintSettings *printSettings)
235 {
236 return NS_ERROR_NOT_IMPLEMENTED;
237 }
238
239 //-----------------------------------------------------------
240 // Helper to Fly XP Dialog
241 nsresult
242 nsPrintingPromptService::DoDialog(nsIDOMWindow *aParent,
243 nsIDialogParamBlock *aParamBlock,
244 nsIPrintSettings* aPS,
245 const char *aChromeURL)
246 {
247 NS_ENSURE_ARG(aParamBlock);
248 NS_ENSURE_ARG(aPS);
249 NS_ENSURE_ARG(aChromeURL);
250
251 if (!mWatcher)
252 return NS_ERROR_FAILURE;
253
254 nsresult rv = NS_OK;
255
256 // get a parent, if at all possible
257 // (though we'd rather this didn't fail, it's OK if it does. so there's
258 // no failure or null check.)
259 nsCOMPtr<nsIDOMWindow> activeParent; // retain ownership for method lifetime
260 if (!aParent)
261 {
262 mWatcher->GetActiveWindow(getter_AddRefs(activeParent));
263 aParent = activeParent;
264 }
265
266 // create a nsISupportsArray of the parameters
267 // being passed to the window
268 nsCOMPtr<nsISupportsArray> array;
269 NS_NewISupportsArray(getter_AddRefs(array));
270 if (!array) return NS_ERROR_FAILURE;
271
272 nsCOMPtr<nsISupports> psSupports(do_QueryInterface(aPS));
273 NS_ASSERTION(psSupports, "PrintSettings must be a supports");
274 array->AppendElement(psSupports);
275
276 nsCOMPtr<nsISupports> blkSupps(do_QueryInterface(aParamBlock));
277 NS_ASSERTION(blkSupps, "IOBlk must be a supports");
278 array->AppendElement(blkSupps);
279
280 nsCOMPtr<nsISupports> arguments(do_QueryInterface(array));
281 NS_ASSERTION(array, "array must be a supports");
282
283
284 nsCOMPtr<nsIDOMWindow> dialog;
285 rv = mWatcher->OpenWindow(aParent, aChromeURL, "_blank",
286 "centerscreen,chrome,modal,titlebar", arguments,
287 getter_AddRefs(dialog));
288
289 return rv;
290 }
291
292 //////////////////////////////////////////////////////////////////////
293 // nsIWebProgressListener
294 //////////////////////////////////////////////////////////////////////
295
296 /* void onStateChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aStateFlags, in nsresult aStatus); */
297 NS_IMETHODIMP
298 nsPrintingPromptService::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, uint32_t aStateFlags, nsresult aStatus)
299 {
300 if ((aStateFlags & STATE_STOP) && mWebProgressListener)
301 {
302 mWebProgressListener->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus);
303 if (mPrintProgress)
304 {
305 mPrintProgress->CloseProgressDialog(true);
306 }
307 mPrintProgress = nullptr;
308 mWebProgressListener = nullptr;
309 }
310 return NS_OK;
311 }
312
313 /* void onProgressChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aCurSelfProgress, in long aMaxSelfProgress, in long aCurTotalProgress, in long aMaxTotalProgress); */
314 NS_IMETHODIMP
315 nsPrintingPromptService::OnProgressChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, int32_t aCurSelfProgress, int32_t aMaxSelfProgress, int32_t aCurTotalProgress, int32_t aMaxTotalProgress)
316 {
317 if (mWebProgressListener)
318 {
319 return mWebProgressListener->OnProgressChange(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress);
320 }
321 return NS_ERROR_FAILURE;
322 }
323
324 /* void onLocationChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsIURI location, in unsigned long aFlags); */
325 NS_IMETHODIMP
326 nsPrintingPromptService::OnLocationChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsIURI *location, uint32_t aFlags)
327 {
328 if (mWebProgressListener)
329 {
330 return mWebProgressListener->OnLocationChange(aWebProgress, aRequest, location, aFlags);
331 }
332 return NS_ERROR_FAILURE;
333 }
334
335 /* void onStatusChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsresult aStatus, in wstring aMessage); */
336 NS_IMETHODIMP
337 nsPrintingPromptService::OnStatusChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsresult aStatus, const char16_t *aMessage)
338 {
339 if (mWebProgressListener)
340 {
341 return mWebProgressListener->OnStatusChange(aWebProgress, aRequest, aStatus, aMessage);
342 }
343 return NS_ERROR_FAILURE;
344 }
345
346 /* void onSecurityChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long state); */
347 NS_IMETHODIMP
348 nsPrintingPromptService::OnSecurityChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, uint32_t state)
349 {
350 if (mWebProgressListener)
351 {
352 return mWebProgressListener->OnSecurityChange(aWebProgress, aRequest, state);
353 }
354 return NS_ERROR_FAILURE;
355 }
356
357

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