summaryrefslogtreecommitdiffstats
path: root/embedding/components/printingui/unixshared/nsPrintingPromptService.cpp
blob: fd10a4742c8f22e8af1c57b5f6760313ab4794be (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsPrintingPromptService.h"

#include "nsArray.h"
#include "nsIComponentManager.h"
#include "nsIDialogParamBlock.h"
#include "nsIDOMWindow.h"
#include "nsIServiceManager.h"
#include "nsISupportsUtils.h"
#include "nsString.h"
#include "nsIPrintDialogService.h"

// Printing Progress Includes
#include "nsPrintProgress.h"
#include "nsPrintProgressParams.h"

static const char *kPrintDialogURL         = "chrome://global/content/printdialog.xul";
static const char *kPrintProgressDialogURL = "chrome://global/content/printProgress.xul";
static const char *kPrtPrvProgressDialogURL = "chrome://global/content/printPreviewProgress.xul";
static const char *kPageSetupDialogURL     = "chrome://global/content/printPageSetup.xul";
static const char *kPrinterPropertiesURL   = "chrome://global/content/printjoboptions.xul";
 
/****************************************************************
 ************************* ParamBlock ***************************
 ****************************************************************/

class ParamBlock {

public:
    ParamBlock() 
    {
        mBlock = 0;
    }
    ~ParamBlock() 
    {
        NS_IF_RELEASE(mBlock);
    }
    nsresult Init() {
      return CallCreateInstance(NS_DIALOGPARAMBLOCK_CONTRACTID, &mBlock);
    }
    nsIDialogParamBlock * operator->() const MOZ_NO_ADDREF_RELEASE_ON_RETURN { return mBlock; }
    operator nsIDialogParamBlock * () const { return mBlock; }

private:
    nsIDialogParamBlock *mBlock;
};

/****************************************************************
 ***************** nsPrintingPromptService **********************
 ****************************************************************/

NS_IMPL_ISUPPORTS(nsPrintingPromptService, nsIPrintingPromptService, nsIWebProgressListener)

nsPrintingPromptService::nsPrintingPromptService() 
{
}

nsPrintingPromptService::~nsPrintingPromptService() 
{
}

nsresult
nsPrintingPromptService::Init()
{
    nsresult rv;
    mWatcher = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
    return rv;
}

NS_IMETHODIMP 
nsPrintingPromptService::ShowPrintDialog(mozIDOMWindowProxy *parent,
                                         nsIWebBrowserPrint *webBrowserPrint,
                                         nsIPrintSettings *printSettings)
{
    NS_ENSURE_ARG(webBrowserPrint);
    NS_ENSURE_ARG(printSettings);

    // Try to access a component dialog
    nsCOMPtr<nsIPrintDialogService> dlgPrint(do_GetService(
                                             NS_PRINTDIALOGSERVICE_CONTRACTID));
    if (dlgPrint)
      return dlgPrint->Show(nsPIDOMWindowOuter::From(parent),
                            printSettings, webBrowserPrint);

    // Show the built-in dialog instead
    ParamBlock block;
    nsresult rv = block.Init();
    if (NS_FAILED(rv))
      return rv;

    block->SetInt(0, 0);
    return DoDialog(parent, block, webBrowserPrint, printSettings, kPrintDialogURL);
}

NS_IMETHODIMP 
nsPrintingPromptService::ShowProgress(mozIDOMWindowProxy*      parent, 
                                      nsIWebBrowserPrint*      webBrowserPrint,    // ok to be null
                                      nsIPrintSettings*        printSettings,      // ok to be null
                                      nsIObserver*             openDialogObserver, // ok to be null
                                      bool                     isForPrinting,
                                      nsIWebProgressListener** webProgressListener,
                                      nsIPrintProgressParams** printProgressParams, 
                                      bool*                  notifyOnOpen)
{
    NS_ENSURE_ARG(webProgressListener);
    NS_ENSURE_ARG(printProgressParams);
    NS_ENSURE_ARG(notifyOnOpen);

    *notifyOnOpen = false;

    nsPrintProgress* prtProgress = new nsPrintProgress(printSettings);
    mPrintProgress = prtProgress;
    mWebProgressListener = prtProgress;

    nsCOMPtr<nsIPrintProgressParams> prtProgressParams = new nsPrintProgressParams();

    nsCOMPtr<mozIDOMWindowProxy> parentWindow = parent;

    if (mWatcher && !parentWindow) {
        mWatcher->GetActiveWindow(getter_AddRefs(parentWindow));
    }

    if (parentWindow) {
        mPrintProgress->OpenProgressDialog(parentWindow,
                                           isForPrinting ? kPrintProgressDialogURL : kPrtPrvProgressDialogURL,
                                           prtProgressParams, openDialogObserver, notifyOnOpen);
    }

    prtProgressParams.forget(printProgressParams);
    NS_ADDREF(*webProgressListener = this);

    return NS_OK;
}

NS_IMETHODIMP 
nsPrintingPromptService::ShowPageSetup(mozIDOMWindowProxy *parent,
                                       nsIPrintSettings *printSettings,
                                       nsIObserver *aObs)
{
    NS_ENSURE_ARG(printSettings);

    // Try to access a component dialog
    nsCOMPtr<nsIPrintDialogService> dlgPrint(do_GetService(
                                             NS_PRINTDIALOGSERVICE_CONTRACTID));
    if (dlgPrint)
      return dlgPrint->ShowPageSetup(nsPIDOMWindowOuter::From(parent),
                                     printSettings);

    ParamBlock block;
    nsresult rv = block.Init();
    if (NS_FAILED(rv))
      return rv;

    block->SetInt(0, 0);
    return DoDialog(parent, block, nullptr, printSettings, kPageSetupDialogURL);
}

NS_IMETHODIMP 
nsPrintingPromptService::ShowPrinterProperties(mozIDOMWindowProxy *parent,
                                               const char16_t *printerName,
                                               nsIPrintSettings *printSettings)
{
    /* fixme: We simply ignore the |aPrinter| argument here
     * We should get the supported printer attributes from the printer and 
     * populate the print job options dialog with these data instead of using 
     * the "default set" here.
     * However, this requires changes on all platforms and is another big chunk
     * of patches ... ;-(
     */
    NS_ENSURE_ARG(printerName);
    NS_ENSURE_ARG(printSettings);

    ParamBlock block;
    nsresult rv = block.Init();
    if (NS_FAILED(rv))
      return rv;

    block->SetInt(0, 0);
    return DoDialog(parent, block, nullptr, printSettings, kPrinterPropertiesURL);
   
}

nsresult
nsPrintingPromptService::DoDialog(mozIDOMWindowProxy *aParent,
                                  nsIDialogParamBlock *aParamBlock, 
                                  nsIWebBrowserPrint *aWebBrowserPrint, 
                                  nsIPrintSettings* aPS,
                                  const char *aChromeURL)
{
    NS_ENSURE_ARG(aParamBlock);
    NS_ENSURE_ARG(aPS);
    NS_ENSURE_ARG(aChromeURL);

    if (!mWatcher)
        return NS_ERROR_FAILURE;

    // get a parent, if at all possible
    // (though we'd rather this didn't fail, it's OK if it does. so there's
    // no failure or null check.)
    nsCOMPtr<mozIDOMWindowProxy> activeParent;
    if (!aParent) 
    {
        mWatcher->GetActiveWindow(getter_AddRefs(activeParent));
        aParent = activeParent;
    }

    // create a nsIMutableArray of the parameters 
    // being passed to the window
    nsCOMPtr<nsIMutableArray> array = nsArray::Create();

    nsCOMPtr<nsISupports> psSupports(do_QueryInterface(aPS));
    NS_ASSERTION(psSupports, "PrintSettings must be a supports");
    array->AppendElement(psSupports, /*weak =*/ false);

    if (aWebBrowserPrint) {
      nsCOMPtr<nsISupports> wbpSupports(do_QueryInterface(aWebBrowserPrint));
      NS_ASSERTION(wbpSupports, "nsIWebBrowserPrint must be a supports");
      array->AppendElement(wbpSupports, /*weak =*/ false);
    }

    nsCOMPtr<nsISupports> blkSupps(do_QueryInterface(aParamBlock));
    NS_ASSERTION(blkSupps, "IOBlk must be a supports");
    array->AppendElement(blkSupps, /*weak =*/ false);

    nsCOMPtr<mozIDOMWindowProxy> dialog;
    nsresult rv = mWatcher->OpenWindow(aParent, aChromeURL, "_blank",
                              "centerscreen,chrome,modal,titlebar", array,
                              getter_AddRefs(dialog));

    // if aWebBrowserPrint is not null then we are printing
    // so we want to pass back NS_ERROR_ABORT on cancel
    if (NS_SUCCEEDED(rv) && aWebBrowserPrint) 
    {
        int32_t status;
        aParamBlock->GetInt(0, &status);
        return status == 0?NS_ERROR_ABORT:NS_OK;
    }

    return rv;
}

//////////////////////////////////////////////////////////////////////
// nsIWebProgressListener
//////////////////////////////////////////////////////////////////////

NS_IMETHODIMP 
nsPrintingPromptService::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, uint32_t aStateFlags, nsresult aStatus)
{
  if ((aStateFlags & STATE_STOP) && mWebProgressListener) {
    mWebProgressListener->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus);
    if (mPrintProgress) {
      mPrintProgress->CloseProgressDialog(true);
    }
    mPrintProgress       = nullptr;
    mWebProgressListener = nullptr;
  }
  return NS_OK;
}

NS_IMETHODIMP 
nsPrintingPromptService::OnProgressChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, int32_t aCurSelfProgress, int32_t aMaxSelfProgress, int32_t aCurTotalProgress, int32_t aMaxTotalProgress)
{
  if (mWebProgressListener) {
    return mWebProgressListener->OnProgressChange(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress);
  }
  return NS_OK;
}

NS_IMETHODIMP 
nsPrintingPromptService::OnLocationChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsIURI *location, uint32_t aFlags)
{
  if (mWebProgressListener) {
    return mWebProgressListener->OnLocationChange(aWebProgress, aRequest, location, aFlags);
  }
  return NS_OK;
}

NS_IMETHODIMP 
nsPrintingPromptService::OnStatusChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsresult aStatus, const char16_t *aMessage)
{
  if (mWebProgressListener) {
    return mWebProgressListener->OnStatusChange(aWebProgress, aRequest, aStatus, aMessage);
  }
  return NS_OK;
}

NS_IMETHODIMP 
nsPrintingPromptService::OnSecurityChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, uint32_t state)
{
  if (mWebProgressListener) {
    return mWebProgressListener->OnSecurityChange(aWebProgress, aRequest, state);
  }
  return NS_OK;
}