summaryrefslogtreecommitdiff
path: root/chromium/printing/printing_context_gtk.cc
blob: d757df726fdb0cd581e26bcd0668b65d60389612 (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
// 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 "printing/printing_context_gtk.h"

#include <gtk/gtk.h>
#include <gtk/gtkunixprint.h>

#include "base/logging.h"
#include "base/values.h"
#include "printing/metafile.h"
#include "printing/print_dialog_gtk_interface.h"
#include "printing/print_job_constants.h"
#include "printing/units.h"

namespace {

// Function pointer for creating print dialogs. |callback| is only used when
// |show_dialog| is true.
printing::PrintDialogGtkInterface* (*create_dialog_func_)(
    printing::PrintingContextGtk* context) = NULL;

}  // namespace

namespace printing {

// static
PrintingContext* PrintingContext::Create(const std::string& app_locale) {
  return static_cast<PrintingContext*>(new PrintingContextGtk(app_locale));
}

PrintingContextGtk::PrintingContextGtk(const std::string& app_locale)
    : PrintingContext(app_locale),
      print_dialog_(NULL) {
}

PrintingContextGtk::~PrintingContextGtk() {
  ReleaseContext();

  if (print_dialog_)
    print_dialog_->ReleaseDialog();
}

// static
void PrintingContextGtk::SetCreatePrintDialogFunction(
    PrintDialogGtkInterface* (*create_dialog_func)(
        PrintingContextGtk* context)) {
  DCHECK(create_dialog_func);
  DCHECK(!create_dialog_func_);
  create_dialog_func_ = create_dialog_func;
}

void PrintingContextGtk::PrintDocument(const Metafile* metafile) {
  DCHECK(print_dialog_);
  DCHECK(metafile);
  print_dialog_->PrintDocument(metafile, document_name_);
}

void PrintingContextGtk::AskUserForSettings(
    gfx::NativeView parent_view,
    int max_pages,
    bool has_selection,
    const PrintSettingsCallback& callback) {
  print_dialog_->ShowDialog(parent_view, has_selection, callback);
}

PrintingContext::Result PrintingContextGtk::UseDefaultSettings() {
  DCHECK(!in_print_job_);

  ResetSettings();
  if (!print_dialog_) {
    print_dialog_ = create_dialog_func_(this);
    print_dialog_->AddRefToDialog();
  }
  print_dialog_->UseDefaultSettings();

  return OK;
}

gfx::Size PrintingContextGtk::GetPdfPaperSizeDeviceUnits() {
  GtkPageSetup* page_setup = gtk_page_setup_new();

  gfx::SizeF paper_size(
      gtk_page_setup_get_paper_width(page_setup, GTK_UNIT_INCH),
      gtk_page_setup_get_paper_height(page_setup, GTK_UNIT_INCH));

  g_object_unref(page_setup);

  return gfx::Size(
      paper_size.width() * settings_.device_units_per_inch(),
      paper_size.height() * settings_.device_units_per_inch());
}

PrintingContext::Result PrintingContextGtk::UpdatePrinterSettings(
    bool external_preview) {
  DCHECK(!in_print_job_);
  DCHECK(!external_preview) << "Not implemented";

  if (!print_dialog_) {
    print_dialog_ = create_dialog_func_(this);
    print_dialog_->AddRefToDialog();
  }

  if (!print_dialog_->UpdateSettings(&settings_))
    return OnError();

  return OK;
}

PrintingContext::Result PrintingContextGtk::InitWithSettings(
    const PrintSettings& settings) {
  DCHECK(!in_print_job_);

  settings_ = settings;

  return OK;
}

PrintingContext::Result PrintingContextGtk::NewDocument(
    const base::string16& document_name) {
  DCHECK(!in_print_job_);
  in_print_job_ = true;

  document_name_ = document_name;

  return OK;
}

PrintingContext::Result PrintingContextGtk::NewPage() {
  if (abort_printing_)
    return CANCEL;
  DCHECK(in_print_job_);

  // Intentional No-op.

  return OK;
}

PrintingContext::Result PrintingContextGtk::PageDone() {
  if (abort_printing_)
    return CANCEL;
  DCHECK(in_print_job_);

  // Intentional No-op.

  return OK;
}

PrintingContext::Result PrintingContextGtk::DocumentDone() {
  if (abort_printing_)
    return CANCEL;
  DCHECK(in_print_job_);

  ResetSettings();
  return OK;
}

void PrintingContextGtk::Cancel() {
  abort_printing_ = true;
  in_print_job_ = false;
}

void PrintingContextGtk::ReleaseContext() {
  // Intentional No-op.
}

gfx::NativeDrawingContext PrintingContextGtk::context() const {
  // Intentional No-op.
  return NULL;
}

}  // namespace printing