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
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/command_line.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/print_messages.h"
#include "chrome/renderer/mock_printer.h"
#include "chrome/renderer/printing/print_web_view_helper.h"
#include "chrome/test/base/chrome_render_view_test.h"
#include "content/public/renderer/render_view.h"
#include "printing/print_job_constants.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/platform/WebString.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebRange.h"
#include "third_party/WebKit/public/web/WebView.h"
#if defined(OS_WIN) || defined(OS_MACOSX)
#include "base/file_util.h"
#include "printing/image.h"
using WebKit::WebFrame;
using WebKit::WebString;
#endif
namespace printing {
namespace {
// A simple web page.
const char kHelloWorldHTML[] = "<body><p>Hello World!</p></body>";
// HTML with 3 pages.
const char kMultipageHTML[] =
"<html><head><style>"
".break { page-break-after: always; }"
"</style></head>"
"<body>"
"<div class='break'>page1</div>"
"<div class='break'>page2</div>"
"<div>page3</div>"
"</body></html>";
// A simple web page with print page size css.
const char kHTMLWithPageSizeCss[] =
"<html><head><style>"
"@media print {"
" @page {"
" size: 4in 4in;"
" }"
"}"
"</style></head>"
"<body>Lorem Ipsum:"
"</body></html>";
// A simple web page with print page layout css.
const char kHTMLWithLandscapePageCss[] =
"<html><head><style>"
"@media print {"
" @page {"
" size: landscape;"
" }"
"}"
"</style></head>"
"<body>Lorem Ipsum:"
"</body></html>";
// A simple webpage with a button to print itself with.
const char kPrintOnUserAction[] =
"<body>"
" <button id=\"print\" onclick=\"window.print();\">Hello World!</button>"
"</body>";
// A longer web page.
const char kLongPageHTML[] =
"<body><img src=\"\" width=10 height=10000 /></body>";
// A web page to simulate the print preview page.
const char kPrintPreviewHTML[] =
"<body><p id=\"pdf-viewer\">Hello World!</p></body>";
void CreatePrintSettingsDictionary(base::DictionaryValue* dict) {
dict->SetBoolean(kSettingLandscape, false);
dict->SetBoolean(kSettingCollate, false);
dict->SetInteger(kSettingColor, GRAY);
dict->SetBoolean(kSettingPrintToPDF, true);
dict->SetInteger(kSettingDuplexMode, SIMPLEX);
dict->SetInteger(kSettingCopies, 1);
dict->SetString(kSettingDeviceName, "dummy");
dict->SetInteger(kPreviewUIID, 4);
dict->SetInteger(kPreviewRequestID, 12345);
dict->SetBoolean(kIsFirstRequest, true);
dict->SetInteger(kSettingMarginsType, DEFAULT_MARGINS);
dict->SetBoolean(kSettingPreviewModifiable, false);
dict->SetBoolean(kSettingHeaderFooterEnabled, false);
dict->SetBoolean(kSettingGenerateDraftData, true);
dict->SetBoolean(kSettingShouldPrintBackgrounds, false);
dict->SetBoolean(kSettingShouldPrintSelectionOnly, false);
}
} // namespace
class PrintWebViewHelperTestBase : public ChromeRenderViewTest {
public:
PrintWebViewHelperTestBase() {}
virtual ~PrintWebViewHelperTestBase() {}
protected:
void PrintWithJavaScript() {
ExecuteJavaScript("window.print();");
ProcessPendingMessages();
}
// The renderer should be done calculating the number of rendered pages
// according to the specified settings defined in the mock render thread.
// Verify the page count is correct.
void VerifyPageCount(int count) {
#if defined(OS_CHROMEOS)
// The DidGetPrintedPagesCount message isn't sent on ChromeOS. Right now we
// always print all pages, and there are checks to that effect built into
// the print code.
#else
const IPC::Message* page_cnt_msg =
render_thread_->sink().GetUniqueMessageMatching(
PrintHostMsg_DidGetPrintedPagesCount::ID);
ASSERT_TRUE(page_cnt_msg);
PrintHostMsg_DidGetPrintedPagesCount::Param post_page_count_param;
PrintHostMsg_DidGetPrintedPagesCount::Read(page_cnt_msg,
&post_page_count_param);
EXPECT_EQ(count, post_page_count_param.b);
#endif // defined(OS_CHROMEOS)
}
// The renderer should be done calculating the number of rendered pages
// according to the specified settings defined in the mock render thread.
// Verify the page count is correct.
void VerifyPreviewPageCount(int count) {
const IPC::Message* page_cnt_msg =
render_thread_->sink().GetUniqueMessageMatching(
PrintHostMsg_DidGetPreviewPageCount::ID);
ASSERT_TRUE(page_cnt_msg);
PrintHostMsg_DidGetPreviewPageCount::Param post_page_count_param;
PrintHostMsg_DidGetPreviewPageCount::Read(page_cnt_msg,
&post_page_count_param);
EXPECT_EQ(count, post_page_count_param.a.page_count);
}
// Verifies whether the pages printed or not.
void VerifyPagesPrinted(bool printed) {
#if defined(OS_CHROMEOS)
bool did_print_msg = (render_thread_->sink().GetUniqueMessageMatching(
PrintHostMsg_TempFileForPrintingWritten::ID) != NULL);
ASSERT_EQ(printed, did_print_msg);
#else
const IPC::Message* print_msg =
render_thread_->sink().GetUniqueMessageMatching(
PrintHostMsg_DidPrintPage::ID);
bool did_print_msg = (NULL != print_msg);
ASSERT_EQ(printed, did_print_msg);
if (printed) {
PrintHostMsg_DidPrintPage::Param post_did_print_page_param;
PrintHostMsg_DidPrintPage::Read(print_msg, &post_did_print_page_param);
EXPECT_EQ(0, post_did_print_page_param.a.page_number);
}
#endif // defined(OS_CHROMEOS)
}
void OnPrintPages() {
PrintWebViewHelper::Get(view_)->OnPrintPages();
ProcessPendingMessages();
}
void OnPrintPreview(const base::DictionaryValue& dict) {
PrintWebViewHelper* print_web_view_helper = PrintWebViewHelper::Get(view_);
print_web_view_helper->OnInitiatePrintPreview(false);
print_web_view_helper->OnPrintPreview(dict);
ProcessPendingMessages();
}
void OnPrintForPrintPreview(const base::DictionaryValue& dict) {
PrintWebViewHelper::Get(view_)->OnPrintForPrintPreview(dict);
ProcessPendingMessages();
}
DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelperTestBase);
};
class PrintWebViewHelperTest : public PrintWebViewHelperTestBase {
public:
PrintWebViewHelperTest() {}
virtual ~PrintWebViewHelperTest() {}
virtual void SetUp() OVERRIDE {
ChromeRenderViewTest::SetUp();
}
protected:
DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelperTest);
};
// Tests that printing pages work and sending and receiving messages through
// that channel all works.
TEST_F(PrintWebViewHelperTest, OnPrintPages) {
LoadHTML(kHelloWorldHTML);
OnPrintPages();
VerifyPageCount(1);
VerifyPagesPrinted(true);
}
// Duplicate of OnPrintPagesTest only using javascript to print.
TEST_F(PrintWebViewHelperTest, PrintWithJavascript) {
PrintWithJavaScript();
VerifyPageCount(1);
VerifyPagesPrinted(true);
}
// Tests that the renderer blocks window.print() calls if they occur too
// frequently.
TEST_F(PrintWebViewHelperTest, BlockScriptInitiatedPrinting) {
// Pretend user will cancel printing.
chrome_render_thread_->set_print_dialog_user_response(false);
// Try to print with window.print() a few times.
PrintWithJavaScript();
PrintWithJavaScript();
PrintWithJavaScript();
VerifyPagesPrinted(false);
// Pretend user will print. (but printing is blocked.)
chrome_render_thread_->set_print_dialog_user_response(true);
PrintWithJavaScript();
VerifyPagesPrinted(false);
// Unblock script initiated printing and verify printing works.
PrintWebViewHelper::Get(view_)->ResetScriptedPrintCount();
chrome_render_thread_->printer()->ResetPrinter();
PrintWithJavaScript();
VerifyPageCount(1);
VerifyPagesPrinted(true);
}
// Tests that the renderer always allows window.print() calls if they are user
// initiated.
TEST_F(PrintWebViewHelperTest, AllowUserOriginatedPrinting) {
// Pretend user will cancel printing.
chrome_render_thread_->set_print_dialog_user_response(false);
// Try to print with window.print() a few times.
PrintWithJavaScript();
PrintWithJavaScript();
PrintWithJavaScript();
VerifyPagesPrinted(false);
// Pretend user will print. (but printing is blocked.)
chrome_render_thread_->set_print_dialog_user_response(true);
PrintWithJavaScript();
VerifyPagesPrinted(false);
// Try again as if user initiated, without resetting the print count.
chrome_render_thread_->printer()->ResetPrinter();
LoadHTML(kPrintOnUserAction);
gfx::Size new_size(200, 100);
Resize(new_size, gfx::Rect(), false);
gfx::Rect bounds = GetElementBounds("print");
EXPECT_FALSE(bounds.IsEmpty());
WebKit::WebMouseEvent mouse_event;
mouse_event.type = WebKit::WebInputEvent::MouseDown;
mouse_event.button = WebKit::WebMouseEvent::ButtonLeft;
mouse_event.x = bounds.CenterPoint().x();
mouse_event.y = bounds.CenterPoint().y();
mouse_event.clickCount = 1;
SendWebMouseEvent(mouse_event);
mouse_event.type = WebKit::WebInputEvent::MouseUp;
SendWebMouseEvent(mouse_event);
ProcessPendingMessages();
VerifyPageCount(1);
VerifyPagesPrinted(true);
}
TEST_F(PrintWebViewHelperTest, BlockScriptInitiatedPrintingFromPopup) {
PrintWebViewHelper* print_web_view_helper = PrintWebViewHelper::Get(view_);
print_web_view_helper->SetScriptedPrintBlocked(true);
PrintWithJavaScript();
VerifyPagesPrinted(false);
print_web_view_helper->SetScriptedPrintBlocked(false);
PrintWithJavaScript();
VerifyPageCount(1);
VerifyPagesPrinted(true);
}
#if defined(OS_WIN) || defined(OS_MACOSX)
// TODO(estade): I don't think this test is worth porting to Linux. We will have
// to rip out and replace most of the IPC code if we ever plan to improve
// printing, and the comment below by sverrir suggests that it doesn't do much
// for us anyway.
TEST_F(PrintWebViewHelperTest, PrintWithIframe) {
// Document that populates an iframe.
const char html[] =
"<html><body>Lorem Ipsum:"
"<iframe name=\"sub1\" id=\"sub1\"></iframe><script>"
" document.write(frames['sub1'].name);"
" frames['sub1'].document.write("
" '<p>Cras tempus ante eu felis semper luctus!</p>');"
"</script></body></html>";
LoadHTML(html);
// Find the frame and set it as the focused one. This should mean that that
// the printout should only contain the contents of that frame.
WebFrame* sub1_frame =
view_->GetWebView()->findFrameByName(WebString::fromUTF8("sub1"));
ASSERT_TRUE(sub1_frame);
view_->GetWebView()->setFocusedFrame(sub1_frame);
ASSERT_NE(view_->GetWebView()->focusedFrame(),
view_->GetWebView()->mainFrame());
// Initiate printing.
OnPrintPages();
VerifyPagesPrinted(true);
// Verify output through MockPrinter.
const MockPrinter* printer(chrome_render_thread_->printer());
ASSERT_EQ(1, printer->GetPrintedPages());
const Image& image1(printer->GetPrintedPage(0)->image());
// TODO(sverrir): Figure out a way to improve this test to actually print
// only the content of the iframe. Currently image1 will contain the full
// page.
EXPECT_NE(0, image1.size().width());
EXPECT_NE(0, image1.size().height());
}
#endif
// Tests if we can print a page and verify its results.
// This test prints HTML pages into a pseudo printer and check their outputs,
// i.e. a simplified version of the PrintingLayoutTextTest UI test.
namespace {
// Test cases used in this test.
struct TestPageData {
const char* page;
size_t printed_pages;
int width;
int height;
const char* checksum;
const wchar_t* file;
};
#if defined(OS_WIN) || defined(OS_MACOSX)
const TestPageData kTestPages[] = {
{"<html>"
"<head>"
"<meta"
" http-equiv=\"Content-Type\""
" content=\"text/html; charset=utf-8\"/>"
"<title>Test 1</title>"
"</head>"
"<body style=\"background-color: white;\">"
"<p style=\"font-family: arial;\">Hello World!</p>"
"</body>",
#if defined(OS_MACOSX)
// Mac printing code compensates for the WebKit scale factor while generating
// the metafile, so we expect smaller pages.
1, 600, 780,
#else
1, 675, 900,
#endif
NULL,
NULL,
},
};
#endif // defined(OS_WIN) || defined(OS_MACOSX)
} // namespace
// TODO(estade): need to port MockPrinter to get this on Linux. This involves
// hooking up Cairo to read a pdf stream, or accessing the cairo surface in the
// metafile directly.
#if defined(OS_WIN) || defined(OS_MACOSX)
TEST_F(PrintWebViewHelperTest, PrintLayoutTest) {
bool baseline = false;
EXPECT_TRUE(chrome_render_thread_->printer() != NULL);
for (size_t i = 0; i < arraysize(kTestPages); ++i) {
// Load an HTML page and print it.
LoadHTML(kTestPages[i].page);
OnPrintPages();
VerifyPagesPrinted(true);
// MockRenderThread::Send() just calls MockRenderThread::OnReceived().
// So, all IPC messages sent in the above RenderView::OnPrintPages() call
// has been handled by the MockPrinter object, i.e. this printing job
// has been already finished.
// So, we can start checking the output pages of this printing job.
// Retrieve the number of pages actually printed.
size_t pages = chrome_render_thread_->printer()->GetPrintedPages();
EXPECT_EQ(kTestPages[i].printed_pages, pages);
// Retrieve the width and height of the output page.
int width = chrome_render_thread_->printer()->GetWidth(0);
int height = chrome_render_thread_->printer()->GetHeight(0);
// Check with margin for error. This has been failing with a one pixel
// offset on our buildbot.
const int kErrorMargin = 5; // 5%
EXPECT_GT(kTestPages[i].width * (100 + kErrorMargin) / 100, width);
EXPECT_LT(kTestPages[i].width * (100 - kErrorMargin) / 100, width);
EXPECT_GT(kTestPages[i].height * (100 + kErrorMargin) / 100, height);
EXPECT_LT(kTestPages[i].height* (100 - kErrorMargin) / 100, height);
// Retrieve the checksum of the bitmap data from the pseudo printer and
// compare it with the expected result.
std::string bitmap_actual;
EXPECT_TRUE(
chrome_render_thread_->printer()->GetBitmapChecksum(0, &bitmap_actual));
if (kTestPages[i].checksum)
EXPECT_EQ(kTestPages[i].checksum, bitmap_actual);
if (baseline) {
// Save the source data and the bitmap data into temporary files to
// create base-line results.
base::FilePath source_path;
file_util::CreateTemporaryFile(&source_path);
chrome_render_thread_->printer()->SaveSource(0, source_path);
base::FilePath bitmap_path;
file_util::CreateTemporaryFile(&bitmap_path);
chrome_render_thread_->printer()->SaveBitmap(0, bitmap_path);
}
}
}
#endif
// These print preview tests do not work on Chrome OS yet.
#if !defined(OS_CHROMEOS)
class PrintWebViewHelperPreviewTest : public PrintWebViewHelperTestBase {
public:
PrintWebViewHelperPreviewTest() {}
virtual ~PrintWebViewHelperPreviewTest() {}
virtual void SetUp() OVERRIDE {
// Append the print preview switch before creating the PrintWebViewHelper.
CommandLine::ForCurrentProcess()->AppendSwitch(
switches::kRendererPrintPreview);
ChromeRenderViewTest::SetUp();
}
protected:
void VerifyPrintPreviewCancelled(bool did_cancel) {
bool print_preview_cancelled =
(render_thread_->sink().GetUniqueMessageMatching(
PrintHostMsg_PrintPreviewCancelled::ID) != NULL);
EXPECT_EQ(did_cancel, print_preview_cancelled);
}
void VerifyPrintPreviewFailed(bool did_fail) {
bool print_preview_failed =
(render_thread_->sink().GetUniqueMessageMatching(
PrintHostMsg_PrintPreviewFailed::ID) != NULL);
EXPECT_EQ(did_fail, print_preview_failed);
}
void VerifyPrintPreviewGenerated(bool generated_preview) {
const IPC::Message* preview_msg =
render_thread_->sink().GetUniqueMessageMatching(
PrintHostMsg_MetafileReadyForPrinting::ID);
bool did_get_preview_msg = (NULL != preview_msg);
ASSERT_EQ(generated_preview, did_get_preview_msg);
if (did_get_preview_msg) {
PrintHostMsg_MetafileReadyForPrinting::Param preview_param;
PrintHostMsg_MetafileReadyForPrinting::Read(preview_msg, &preview_param);
EXPECT_NE(0, preview_param.a.document_cookie);
EXPECT_NE(0, preview_param.a.expected_pages_count);
EXPECT_NE(0U, preview_param.a.data_size);
}
}
void VerifyPrintFailed(bool did_fail) {
bool print_failed = (render_thread_->sink().GetUniqueMessageMatching(
PrintHostMsg_PrintingFailed::ID) != NULL);
EXPECT_EQ(did_fail, print_failed);
}
void VerifyPrintPreviewInvalidPrinterSettings(bool settings_invalid) {
bool print_preview_invalid_printer_settings =
(render_thread_->sink().GetUniqueMessageMatching(
PrintHostMsg_PrintPreviewInvalidPrinterSettings::ID) != NULL);
EXPECT_EQ(settings_invalid, print_preview_invalid_printer_settings);
}
// |page_number| is 0-based.
void VerifyDidPreviewPage(bool generate_draft_pages, int page_number) {
bool msg_found = false;
size_t msg_count = render_thread_->sink().message_count();
for (size_t i = 0; i < msg_count; ++i) {
const IPC::Message* msg = render_thread_->sink().GetMessageAt(i);
if (msg->type() == PrintHostMsg_DidPreviewPage::ID) {
PrintHostMsg_DidPreviewPage::Param page_param;
PrintHostMsg_DidPreviewPage::Read(msg, &page_param);
if (page_param.a.page_number == page_number) {
msg_found = true;
if (generate_draft_pages)
EXPECT_NE(0U, page_param.a.data_size);
else
EXPECT_EQ(0U, page_param.a.data_size);
break;
}
}
}
ASSERT_EQ(generate_draft_pages, msg_found);
}
void VerifyDefaultPageLayout(int content_width, int content_height,
int margin_top, int margin_bottom,
int margin_left, int margin_right,
bool page_has_print_css) {
const IPC::Message* default_page_layout_msg =
render_thread_->sink().GetUniqueMessageMatching(
PrintHostMsg_DidGetDefaultPageLayout::ID);
bool did_get_default_page_layout_msg = (NULL != default_page_layout_msg);
if (did_get_default_page_layout_msg) {
PrintHostMsg_DidGetDefaultPageLayout::Param param;
PrintHostMsg_DidGetDefaultPageLayout::Read(default_page_layout_msg,
¶m);
EXPECT_EQ(content_width, param.a.content_width);
EXPECT_EQ(content_height, param.a.content_height);
EXPECT_EQ(margin_top, param.a.margin_top);
EXPECT_EQ(margin_right, param.a.margin_right);
EXPECT_EQ(margin_left, param.a.margin_left);
EXPECT_EQ(margin_bottom, param.a.margin_bottom);
EXPECT_EQ(page_has_print_css, param.c);
}
}
DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelperPreviewTest);
};
// Tests that print preview work and sending and receiving messages through
// that channel all works.
TEST_F(PrintWebViewHelperPreviewTest, OnPrintPreview) {
LoadHTML(kHelloWorldHTML);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
OnPrintPreview(dict);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
VerifyDefaultPageLayout(540, 720, 36, 36, 36, 36, false);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
VerifyPrintPreviewGenerated(true);
VerifyPagesPrinted(false);
}
TEST_F(PrintWebViewHelperPreviewTest, PrintPreviewHTMLWithPageMarginsCss) {
// A simple web page with print margins css.
const char kHTMLWithPageMarginsCss[] =
"<html><head><style>"
"@media print {"
" @page {"
" margin: 3in 1in 2in 0.3in;"
" }"
"}"
"</style></head>"
"<body>Lorem Ipsum:"
"</body></html>";
LoadHTML(kHTMLWithPageMarginsCss);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
dict.SetBoolean(kSettingPrintToPDF, false);
dict.SetInteger(kSettingMarginsType, DEFAULT_MARGINS);
OnPrintPreview(dict);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
VerifyDefaultPageLayout(519, 432, 216, 144, 21, 72, false);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
VerifyPrintPreviewGenerated(true);
VerifyPagesPrinted(false);
}
// Test to verify that print preview ignores print media css when non-default
// margin is selected.
TEST_F(PrintWebViewHelperPreviewTest, NonDefaultMarginsSelectedIgnorePrintCss) {
LoadHTML(kHTMLWithPageSizeCss);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
dict.SetBoolean(kSettingPrintToPDF, false);
dict.SetInteger(kSettingMarginsType, NO_MARGINS);
OnPrintPreview(dict);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
VerifyDefaultPageLayout(612, 792, 0, 0, 0, 0, true);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
VerifyPrintPreviewGenerated(true);
VerifyPagesPrinted(false);
}
// Test to verify that print preview honor print media size css when
// PRINT_TO_PDF is selected and doesn't fit to printer default paper size.
TEST_F(PrintWebViewHelperPreviewTest, PrintToPDFSelectedHonorPrintCss) {
LoadHTML(kHTMLWithPageSizeCss);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
dict.SetBoolean(kSettingPrintToPDF, true);
dict.SetInteger(kSettingMarginsType,
PRINTABLE_AREA_MARGINS);
OnPrintPreview(dict);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
// Since PRINT_TO_PDF is selected, pdf page size is equal to print media page
// size.
VerifyDefaultPageLayout(252, 252, 18, 18, 18, 18, true);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
}
// Test to verify that print preview honor print margin css when PRINT_TO_PDF
// is selected and doesn't fit to printer default paper size.
TEST_F(PrintWebViewHelperPreviewTest, PrintToPDFSelectedHonorPageMarginsCss) {
// A simple web page with print margins css.
const char kHTMLWithPageCss[] =
"<html><head><style>"
"@media print {"
" @page {"
" margin: 3in 1in 2in 0.3in;"
" size: 14in 14in;"
" }"
"}"
"</style></head>"
"<body>Lorem Ipsum:"
"</body></html>";
LoadHTML(kHTMLWithPageCss);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
dict.SetBoolean(kSettingPrintToPDF, true);
dict.SetInteger(kSettingMarginsType, DEFAULT_MARGINS);
OnPrintPreview(dict);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
// Since PRINT_TO_PDF is selected, pdf page size is equal to print media page
// size.
VerifyDefaultPageLayout(915, 648, 216, 144, 21, 72, true);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
}
// Test to verify that print preview workflow center the html page contents to
// fit the page size.
TEST_F(PrintWebViewHelperPreviewTest, PrintPreviewCenterToFitPage) {
LoadHTML(kHTMLWithPageSizeCss);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
dict.SetBoolean(kSettingPrintToPDF, false);
dict.SetInteger(kSettingMarginsType, DEFAULT_MARGINS);
OnPrintPreview(dict);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
VerifyDefaultPageLayout(288, 288, 252, 252, 162, 162, true);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
VerifyPrintPreviewGenerated(true);
}
// Test to verify that print preview workflow scale the html page contents to
// fit the page size.
TEST_F(PrintWebViewHelperPreviewTest, PrintPreviewShrinkToFitPage) {
// A simple web page with print margins css.
const char kHTMLWithPageCss[] =
"<html><head><style>"
"@media print {"
" @page {"
" size: 15in 17in;"
" }"
"}"
"</style></head>"
"<body>Lorem Ipsum:"
"</body></html>";
LoadHTML(kHTMLWithPageCss);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
dict.SetBoolean(kSettingPrintToPDF, false);
dict.SetInteger(kSettingMarginsType, DEFAULT_MARGINS);
OnPrintPreview(dict);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
VerifyDefaultPageLayout(612, 693, 49, 50, 0, 0, true);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
}
// Test to verify that print preview workflow honor the orientation settings
// specified in css.
TEST_F(PrintWebViewHelperPreviewTest, PrintPreviewHonorsOrientationCss) {
LoadHTML(kHTMLWithLandscapePageCss);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
dict.SetBoolean(kSettingPrintToPDF, false);
dict.SetInteger(kSettingMarginsType, NO_MARGINS);
OnPrintPreview(dict);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
VerifyDefaultPageLayout(792, 612, 0, 0, 0, 0, true);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
}
// Test to verify that print preview workflow honors the orientation settings
// specified in css when PRINT_TO_PDF is selected.
TEST_F(PrintWebViewHelperPreviewTest, PrintToPDFSelectedHonorOrientationCss) {
LoadHTML(kHTMLWithLandscapePageCss);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
dict.SetBoolean(kSettingPrintToPDF, true);
dict.SetInteger(kSettingMarginsType, CUSTOM_MARGINS);
OnPrintPreview(dict);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
VerifyDefaultPageLayout(748, 568, 21, 23, 21, 23, true);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
}
// Test to verify that complete metafile is generated for a subset of pages
// without creating draft pages.
TEST_F(PrintWebViewHelperPreviewTest, OnPrintPreviewForSelectedPages) {
LoadHTML(kMultipageHTML);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
// Set a page range and update the dictionary to generate only the complete
// metafile with the selected pages. Page numbers used in the dictionary
// are 1-based.
base::DictionaryValue* page_range = new base::DictionaryValue();
page_range->SetInteger(kSettingPageRangeFrom, 2);
page_range->SetInteger(kSettingPageRangeTo, 3);
base::ListValue* page_range_array = new base::ListValue();
page_range_array->Append(page_range);
dict.Set(kSettingPageRange, page_range_array);
dict.SetBoolean(kSettingGenerateDraftData, false);
OnPrintPreview(dict);
VerifyDidPreviewPage(false, 0);
VerifyDidPreviewPage(false, 1);
VerifyDidPreviewPage(false, 2);
VerifyPreviewPageCount(3);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
VerifyPrintPreviewGenerated(true);
VerifyPagesPrinted(false);
}
// Test to verify that preview generated only for one page.
TEST_F(PrintWebViewHelperPreviewTest, OnPrintPreviewForSelectedText) {
LoadHTML(kMultipageHTML);
GetMainFrame()->selectRange(
WebKit::WebRange::fromDocumentRange(GetMainFrame(), 1, 3));
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
dict.SetBoolean(kSettingShouldPrintSelectionOnly, true);
OnPrintPreview(dict);
VerifyPreviewPageCount(1);
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(false);
VerifyPrintPreviewGenerated(true);
VerifyPagesPrinted(false);
}
// Tests that print preview fails and receiving error messages through
// that channel all works.
TEST_F(PrintWebViewHelperPreviewTest, OnPrintPreviewFail) {
LoadHTML(kHelloWorldHTML);
// An empty dictionary should fail.
base::DictionaryValue empty_dict;
OnPrintPreview(empty_dict);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
VerifyPrintPreviewCancelled(false);
VerifyPrintPreviewFailed(true);
VerifyPrintPreviewGenerated(false);
VerifyPagesPrinted(false);
}
// Tests that cancelling print preview works.
TEST_F(PrintWebViewHelperPreviewTest, OnPrintPreviewCancel) {
LoadHTML(kLongPageHTML);
const int kCancelPage = 3;
chrome_render_thread_->set_print_preview_cancel_page_number(kCancelPage);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
OnPrintPreview(dict);
EXPECT_EQ(kCancelPage,
chrome_render_thread_->print_preview_pages_remaining());
VerifyPrintPreviewCancelled(true);
VerifyPrintPreviewFailed(false);
VerifyPrintPreviewGenerated(false);
VerifyPagesPrinted(false);
}
// Tests that printing from print preview works and sending and receiving
// messages through that channel all works.
TEST_F(PrintWebViewHelperPreviewTest, OnPrintForPrintPreview) {
LoadHTML(kPrintPreviewHTML);
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
OnPrintForPrintPreview(dict);
VerifyPrintFailed(false);
VerifyPagesPrinted(true);
}
// Tests that printing from print preview fails and receiving error messages
// through that channel all works.
TEST_F(PrintWebViewHelperPreviewTest, OnPrintForPrintPreviewFail) {
LoadHTML(kPrintPreviewHTML);
// An empty dictionary should fail.
base::DictionaryValue empty_dict;
OnPrintForPrintPreview(empty_dict);
VerifyPagesPrinted(false);
}
// Tests that when default printer has invalid printer settings, print preview
// receives error message.
TEST_F(PrintWebViewHelperPreviewTest,
OnPrintPreviewUsingInvalidPrinterSettings) {
LoadHTML(kPrintPreviewHTML);
// Set mock printer to provide invalid settings.
chrome_render_thread_->printer()->UseInvalidSettings();
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
OnPrintPreview(dict);
// We should have received invalid printer settings from |printer_|.
VerifyPrintPreviewInvalidPrinterSettings(true);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
// It should receive the invalid printer settings message only.
VerifyPrintPreviewFailed(false);
VerifyPrintPreviewGenerated(false);
}
// Tests that when the selected printer has invalid page settings, print preview
// receives error message.
TEST_F(PrintWebViewHelperPreviewTest,
OnPrintPreviewUsingInvalidPageSize) {
LoadHTML(kPrintPreviewHTML);
chrome_render_thread_->printer()->UseInvalidPageSize();
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
OnPrintPreview(dict);
VerifyPrintPreviewInvalidPrinterSettings(true);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
// It should receive the invalid printer settings message only.
VerifyPrintPreviewFailed(false);
VerifyPrintPreviewGenerated(false);
}
// Tests that when the selected printer has invalid content settings, print
// preview receives error message.
TEST_F(PrintWebViewHelperPreviewTest,
OnPrintPreviewUsingInvalidContentSize) {
LoadHTML(kPrintPreviewHTML);
chrome_render_thread_->printer()->UseInvalidContentSize();
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
OnPrintPreview(dict);
VerifyPrintPreviewInvalidPrinterSettings(true);
EXPECT_EQ(0, chrome_render_thread_->print_preview_pages_remaining());
// It should receive the invalid printer settings message only.
VerifyPrintPreviewFailed(false);
VerifyPrintPreviewGenerated(false);
}
TEST_F(PrintWebViewHelperPreviewTest,
OnPrintForPrintPreviewUsingInvalidPrinterSettings) {
LoadHTML(kPrintPreviewHTML);
// Set mock printer to provide invalid settings.
chrome_render_thread_->printer()->UseInvalidSettings();
// Fill in some dummy values.
base::DictionaryValue dict;
CreatePrintSettingsDictionary(&dict);
OnPrintForPrintPreview(dict);
VerifyPrintFailed(true);
VerifyPagesPrinted(false);
}
#endif // !defined(OS_CHROMEOS)
class PrintWebViewHelperKioskTest : public PrintWebViewHelperTestBase {
public:
PrintWebViewHelperKioskTest() {}
virtual ~PrintWebViewHelperKioskTest() {}
virtual void SetUp() OVERRIDE {
// Append the throttling disable switch before creating the
// PrintWebViewHelper.
CommandLine::ForCurrentProcess()->AppendSwitch(
switches::kDisableScriptedPrintThrottling);
ChromeRenderViewTest::SetUp();
}
protected:
DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelperKioskTest);
};
// Tests that the switch overrides the throttling that blocks window.print()
// calls if they occur too frequently. Compare with
// PrintWebViewHelperTest.BlockScriptInitiatedPrinting above.
TEST_F(PrintWebViewHelperKioskTest, DontBlockScriptInitiatedPrinting) {
// Pretend user will cancel printing.
chrome_render_thread_->set_print_dialog_user_response(false);
// Try to print with window.print() a few times.
PrintWithJavaScript();
chrome_render_thread_->printer()->ResetPrinter();
PrintWithJavaScript();
chrome_render_thread_->printer()->ResetPrinter();
PrintWithJavaScript();
chrome_render_thread_->printer()->ResetPrinter();
VerifyPagesPrinted(false);
// Pretend user will print, should not be throttled.
chrome_render_thread_->set_print_dialog_user_response(true);
PrintWithJavaScript();
VerifyPagesPrinted(true);
}
} // namespace printing
|
