1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "printing/printing_context_no_system_dialog.h"
6
7 #include <stdint.h>
8 #include <unicode/ulocdata.h>
9
10 #include <memory>
11 #include <utility>
12
13 #include "base/logging.h"
14 #include "base/values.h"
15 #include "printing/metafile.h"
16 #include "printing/print_job_constants.h"
17 #include "printing/units.h"
18
19 namespace printing {
20
21 #if !defined(USE_CUPS)
22 // static
Create(Delegate * delegate)23 std::unique_ptr<PrintingContext> PrintingContext::Create(Delegate* delegate) {
24 return std::make_unique<PrintingContextNoSystemDialog>(delegate);
25 }
26 #endif // !defined(USE_CUPS)
27
PrintingContextNoSystemDialog(Delegate * delegate)28 PrintingContextNoSystemDialog::PrintingContextNoSystemDialog(Delegate* delegate)
29 : PrintingContext(delegate) {}
30
~PrintingContextNoSystemDialog()31 PrintingContextNoSystemDialog::~PrintingContextNoSystemDialog() {
32 ReleaseContext();
33 }
34
AskUserForSettings(int max_pages,bool has_selection,bool is_scripted,PrintSettingsCallback callback)35 void PrintingContextNoSystemDialog::AskUserForSettings(
36 int max_pages,
37 bool has_selection,
38 bool is_scripted,
39 PrintSettingsCallback callback) {
40 // We don't want to bring up a dialog here. Ever. Just signal the callback.
41 std::move(callback).Run(OK);
42 }
43
UseDefaultSettings()44 PrintingContext::Result PrintingContextNoSystemDialog::UseDefaultSettings() {
45 DCHECK(!in_print_job_);
46
47 ResetSettings();
48 settings_->set_dpi(kDefaultPdfDpi);
49 gfx::Size physical_size = GetPdfPaperSizeDeviceUnits();
50 // Assume full page is printable for now.
51 gfx::Rect printable_area(0, 0, physical_size.width(), physical_size.height());
52 DCHECK_EQ(settings_->device_units_per_inch(), kDefaultPdfDpi);
53 settings_->SetPrinterPrintableArea(physical_size, printable_area, true);
54 return OK;
55 }
56
GetPdfPaperSizeDeviceUnits()57 gfx::Size PrintingContextNoSystemDialog::GetPdfPaperSizeDeviceUnits() {
58 int32_t width = 0;
59 int32_t height = 0;
60 UErrorCode error = U_ZERO_ERROR;
61 ulocdata_getPaperSize(delegate_->GetAppLocale().c_str(), &height, &width,
62 &error);
63 if (error > U_ZERO_ERROR) {
64 // If the call failed, assume a paper size of 8.5 x 11 inches.
65 LOG(WARNING) << "ulocdata_getPaperSize failed, using 8.5 x 11, error: "
66 << error;
67 width =
68 static_cast<int>(kLetterWidthInch * settings_->device_units_per_inch());
69 height = static_cast<int>(kLetterHeightInch *
70 settings_->device_units_per_inch());
71 } else {
72 // ulocdata_getPaperSize returns the width and height in mm.
73 // Convert this to pixels based on the dpi.
74 float multiplier = settings_->device_units_per_inch() / kMicronsPerMil;
75 width *= multiplier;
76 height *= multiplier;
77 }
78 return gfx::Size(width, height);
79 }
80
UpdatePrinterSettings(bool external_preview,bool show_system_dialog,int page_count)81 PrintingContext::Result PrintingContextNoSystemDialog::UpdatePrinterSettings(
82 bool external_preview,
83 bool show_system_dialog,
84 int page_count) {
85 DCHECK(!show_system_dialog);
86
87 if (settings_->dpi() == 0)
88 UseDefaultSettings();
89
90 return OK;
91 }
92
NewDocument(const base::string16 & document_name)93 PrintingContext::Result PrintingContextNoSystemDialog::NewDocument(
94 const base::string16& document_name) {
95 DCHECK(!in_print_job_);
96 in_print_job_ = true;
97
98 return OK;
99 }
100
NewPage()101 PrintingContext::Result PrintingContextNoSystemDialog::NewPage() {
102 if (abort_printing_)
103 return CANCEL;
104 DCHECK(in_print_job_);
105
106 // Intentional No-op.
107
108 return OK;
109 }
110
PageDone()111 PrintingContext::Result PrintingContextNoSystemDialog::PageDone() {
112 if (abort_printing_)
113 return CANCEL;
114 DCHECK(in_print_job_);
115
116 // Intentional No-op.
117
118 return OK;
119 }
120
DocumentDone()121 PrintingContext::Result PrintingContextNoSystemDialog::DocumentDone() {
122 if (abort_printing_)
123 return CANCEL;
124 DCHECK(in_print_job_);
125
126 ResetSettings();
127 return OK;
128 }
129
Cancel()130 void PrintingContextNoSystemDialog::Cancel() {
131 abort_printing_ = true;
132 in_print_job_ = false;
133 }
134
ReleaseContext()135 void PrintingContextNoSystemDialog::ReleaseContext() {
136 // Intentional No-op.
137 }
138
context() const139 printing::NativeDrawingContext PrintingContextNoSystemDialog::context() const {
140 // Intentional No-op.
141 return nullptr;
142 }
143
144 } // namespace printing
145