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Get printing working in Aura.

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Splits printing_context_cairo into gtk and no system dialog versions.  No system dialog versions are used in Chrome OS and Aura.

BUG=http://code.google.com/p/chromium-os/issues/detail?id=13915
TEST=Build Chrome with Aura.  Hit ctrl-p from any web page.  Print preview page should come up and should be able to print via Cloud Print.


Review URL: http://codereview.chromium.org/8372030

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@109059 0039d316-1c4b-4281-b951-d872f2087c98
This commit is contained in:
abodenha@chromium.org
2011-11-08 18:45:15 +00:00
parent 01632e66fb
commit ea5e81d9e8
12 changed files with 422 additions and 302 deletions

2
chrome/browser/chrome_browser_main_posix.cc

@ -259,7 +259,7 @@ void ChromeBrowserMainPartsPosix::PostMainMessageLoopStart() {
CHECK(sigaction(SIGHUP, &action, NULL) == 0);
#if defined(TOOLKIT_USES_GTK) && !defined(OS_CHROMEOS)
printing::PrintingContextCairo::SetCreatePrintDialogFunction(
printing::PrintingContextGtk::SetCreatePrintDialogFunction(
&PrintDialogGtk::CreatePrintDialog);
#endif
}

10
chrome/browser/printing/print_dialog_gtk.cc

@ -93,12 +93,12 @@ class GtkPrinterList {
// static
printing::PrintDialogGtkInterface* PrintDialogGtk::CreatePrintDialog(
PrintingContextCairo* context) {
PrintingContextGtk* context) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
return new PrintDialogGtk(context);
}
PrintDialogGtk::PrintDialogGtk(PrintingContextCairo* context)
PrintDialogGtk::PrintDialogGtk(PrintingContextGtk* context)
: callback_(NULL),
context_(context),
dialog_(NULL),
@ -229,7 +229,7 @@ bool PrintDialogGtk::UpdateSettings(const DictionaryValue& job_settings,
}
void PrintDialogGtk::ShowDialog(
PrintingContextCairo::PrintSettingsCallback* callback) {
PrintingContextGtk::PrintSettingsCallback* callback) {
callback_ = callback;
GtkWindow* parent = BrowserList::GetLastActive()->window()->GetNativeHandle();
@ -341,13 +341,13 @@ void PrintDialogGtk::OnResponse(GtkWidget* dialog, int response_id) {
printing::PrintSettingsInitializerGtk::InitPrintSettings(
gtk_settings_, page_setup_, ranges_vector, false, &settings);
context_->InitWithSettings(settings);
callback_->Run(PrintingContextCairo::OK);
callback_->Run(PrintingContextGtk::OK);
callback_ = NULL;
return;
}
case GTK_RESPONSE_DELETE_EVENT: // Fall through.
case GTK_RESPONSE_CANCEL: {
callback_->Run(PrintingContextCairo::CANCEL);
callback_->Run(PrintingContextGtk::CANCEL);
callback_ = NULL;
return;
}

14
chrome/browser/printing/print_dialog_gtk.h

@ -15,7 +15,7 @@
#include "base/memory/scoped_ptr.h"
#include "content/public/browser/browser_thread.h"
#include "printing/print_dialog_gtk_interface.h"
#include "printing/printing_context_cairo.h"
#include "printing/printing_context_gtk.h"
#include "ui/base/gtk/gtk_signal.h"
namespace printing {
@ -23,7 +23,7 @@ class Metafile;
class PrintSettings;
}
using printing::PrintingContextCairo;
using printing::PrintingContextGtk;
// Needs to be freed on the UI thread to clean up its GTK members variables.
class PrintDialogGtk
@ -33,7 +33,7 @@ class PrintDialogGtk
public:
// Creates and returns a print dialog.
static printing::PrintDialogGtkInterface* CreatePrintDialog(
PrintingContextCairo* context);
PrintingContextGtk* context);
// printing::PrintDialogGtkInterface implementation.
virtual void UseDefaultSettings() OVERRIDE;
@ -41,7 +41,7 @@ class PrintDialogGtk
const printing::PageRanges& ranges,
printing::PrintSettings* settings) OVERRIDE;
virtual void ShowDialog(
PrintingContextCairo::PrintSettingsCallback* callback) OVERRIDE;
PrintingContextGtk::PrintSettingsCallback* callback) OVERRIDE;
virtual void PrintDocument(const printing::Metafile* metafile,
const string16& document_name) OVERRIDE;
virtual void AddRefToDialog() OVERRIDE;
@ -52,7 +52,7 @@ class PrintDialogGtk
content::BrowserThread::UI>;
friend class DeleteTask<PrintDialogGtk>;
explicit PrintDialogGtk(PrintingContextCairo* context);
explicit PrintDialogGtk(PrintingContextGtk* context);
virtual ~PrintDialogGtk();
// Handles dialog response.
@ -73,8 +73,8 @@ class PrintDialogGtk
printing::PrintSettings* settings);
// Printing dialog callback.
PrintingContextCairo::PrintSettingsCallback* callback_;
PrintingContextCairo* context_;
PrintingContextGtk::PrintSettingsCallback* callback_;
PrintingContextGtk* context_;
// Print dialog settings. PrintDialogGtk owns |dialog_| and holds references
// to the other objects.

4
printing/print_dialog_gtk_interface.h

@ -6,7 +6,7 @@
#define PRINTING_PRINT_DIALOG_GTK_INTERFACE_H_
#include "base/string16.h"
#include "printing/printing_context_cairo.h"
#include "printing/printing_context_gtk.h"
namespace printing {
@ -32,7 +32,7 @@ class PrintDialogGtkInterface {
// Shows the dialog and handles the response with |callback|. Only used when
// printing with the native print dialog.
virtual void ShowDialog(
PrintingContextCairo::PrintSettingsCallback* callback) = 0;
PrintingContextGtk::PrintSettingsCallback* callback) = 0;
// Prints the document named |document_name| contained in |metafile|.
// Called from the print worker thread. Once called, the

4
printing/printed_document_cairo.cc

@ -7,7 +7,7 @@
#include "base/logging.h"
#include "printing/page_number.h"
#include "printing/printed_page.h"
#include "printing/printing_context_cairo.h"
#include "printing/printing_context_gtk.h"
namespace printing {
@ -27,7 +27,7 @@ void PrintedDocument::RenderPrintedPage(
{
base::AutoLock lock(lock_);
if (page.page_number() - 1 == mutable_.first_page) {
reinterpret_cast<PrintingContextCairo*>(context)->PrintDocument(
reinterpret_cast<PrintingContextGtk*>(context)->PrintDocument(
page.metafile());
}
}

48
printing/printing.gyp

@ -66,13 +66,6 @@
'printed_pages_source.h',
'printing_context.cc',
'printing_context.h',
'printing_context_aura.cc',
'printing_context_cairo.cc',
'printing_context_cairo.h',
'printing_context_mac.mm',
'printing_context_mac.h',
'printing_context_win.cc',
'printing_context_win.h',
'print_dialog_gtk_interface.h',
'print_job_constants.cc',
'print_job_constants.h',
@ -117,16 +110,25 @@
['exclude', 'metafile_skia_wrapper\\.(cc|h)$'],
],
}],
['OS=="mac" and use_aura==0',{
'sources': [
'printing_context_mac.mm',
'printing_context_mac.h',
],
}],
['OS=="win"', {
'conditions': [
['use_aura==1', {
'sources!': [
'image_aura.cc',
'printed_document_aura.cc',
'printing_context_aura.cc',
],
}],
],
}, { #else: use_aura==0
'sources': [
'printing_context_win.cc',
'printing_context_win.h',
],
}]],
'defines': [
# PRINT_BACKEND_AVAILABLE disables the default dummy implementation
# of the print backend and enables a custom implementation instead.
@ -138,6 +140,12 @@
'backend/print_backend_win.cc',
],
}],
['chromeos==1 or use_aura==1',{
'sources': [
'printing_context_no_system_dialog.cc',
'printing_context_no_system_dialog.h',
],
}],
['use_cups==1', {
'dependencies': [
'cups',
@ -170,6 +178,12 @@
'backend/print_backend_chromeos.cc',
],
}],
['OS=="linux" and chromeos==0', {
'sources': [
'printing_context_gtk.cc',
'printing_context_gtk.h',
],
}],
],
},
{
@ -189,18 +203,18 @@
'page_setup_unittest.cc',
'pdf_metafile_cg_mac_unittest.cc',
'printed_page_unittest.cc',
'printing_context_win_unittest.cc',
'run_all_unittests.cc',
'units_unittest.cc',
],
'conditions': [
['toolkit_uses_gtk == 0', {'sources/': [['exclude', '_cairo_unittest\\.cc$']]}],
['toolkit_uses_gtk == 0', {'sources/': [['exclude', '_gtk_unittest\\.cc$']]}],
['OS!="mac"', {'sources/': [['exclude', '_mac_unittest\\.(cc|mm?)$']]}],
['OS!="win"', {'sources/': [['exclude', '_win_unittest\\.cc$']]
}, { # else: OS=="win"
'sources/': [['exclude', '_cairo_unittest\\.cc$']]
}
],
['OS!="win"', {'sources/': [['exclude', '_win_unittest\\.cc$']]}],
['OS=="win" and use_aura == 0', {
'sources': [
'printing_context_win_unittest.cc',
]
}],
['toolkit_uses_gtk == 1', {
'dependencies': [
'../build/linux/system.gyp:gtk',

19
printing/printing_context_aura.cc

@ -1,19 +0,0 @@
// Copyright (c) 2011 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.h"
#include "base/logging.h"
namespace printing {
// static
PrintingContext* PrintingContext::Create(const std::string& app_locale) {
// TODO(saintlou): This a stub to allow us to build under Aura.
// See issue: http://crbug.com/99282
NOTIMPLEMENTED();
return NULL;
}
} // namespace printing

237
printing/printing_context_cairo.cc

@ -1,237 +0,0 @@
// Copyright (c) 2011 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_cairo.h"
// TODO(abodenha@chromium.org) The number of #ifdefs here has gotten too
// large. Refactor this code into separate files for Linux and Chrome OS.
#include "base/logging.h"
#include "base/values.h"
#include "printing/metafile.h"
#include "printing/print_job_constants.h"
#include "printing/units.h"
#if defined(OS_CHROMEOS)
#include <unicode/ulocdata.h>
#include "printing/print_settings_initializer_gtk.h"
#else
#include <gtk/gtk.h>
#include <gtk/gtkprintunixdialog.h>
#include "printing/print_dialog_gtk_interface.h"
#endif // defined(OS_CHROMEOS)
#if !defined(OS_CHROMEOS)
namespace {
// Function pointer for creating print dialogs. |callback| is only used when
// |show_dialog| is true.
static printing::PrintDialogGtkInterface* (*create_dialog_func_)(
printing::PrintingContextCairo* context) = NULL;
} // namespace
#endif // !defined(OS_CHROMEOS)
namespace printing {
// static
PrintingContext* PrintingContext::Create(const std::string& app_locale) {
return static_cast<PrintingContext*>(new PrintingContextCairo(app_locale));
}
PrintingContextCairo::PrintingContextCairo(const std::string& app_locale)
#if defined(OS_CHROMEOS)
: PrintingContext(app_locale) {
#else
: PrintingContext(app_locale),
print_dialog_(NULL) {
#endif
}
PrintingContextCairo::~PrintingContextCairo() {
ReleaseContext();
#if !defined(OS_CHROMEOS)
if (print_dialog_)
print_dialog_->ReleaseDialog();
#endif
}
#if !defined(OS_CHROMEOS)
// static
void PrintingContextCairo::SetCreatePrintDialogFunction(
PrintDialogGtkInterface* (*create_dialog_func)(
PrintingContextCairo* context)) {
DCHECK(create_dialog_func);
DCHECK(!create_dialog_func_);
create_dialog_func_ = create_dialog_func;
}
void PrintingContextCairo::PrintDocument(const Metafile* metafile) {
DCHECK(print_dialog_);
DCHECK(metafile);
print_dialog_->PrintDocument(metafile, document_name_);
}
#endif // !defined(OS_CHROMEOS)
void PrintingContextCairo::AskUserForSettings(
gfx::NativeView parent_view,
int max_pages,
bool has_selection,
PrintSettingsCallback* callback) {
#if defined(OS_CHROMEOS)
callback->Run(OK);
#else
print_dialog_->ShowDialog(callback);
#endif // defined(OS_CHROMEOS)
}
PrintingContext::Result PrintingContextCairo::UseDefaultSettings() {
DCHECK(!in_print_job_);
ResetSettings();
#if defined(OS_CHROMEOS)
// For Chrome OS use default values based on the app locale rather than rely
// on GTK. Note that relying on the app locale does not work well if it is
// different from the system locale, e.g. a user using Chinese ChromeOS in the
// US. Eventually we need to get the defaults from the printer.
// TODO(sanjeevr): We need a better feedback loop between the cloud print
// dialog and this code.
int dpi = 300;
gfx::Size physical_size_device_units;
gfx::Rect printable_area_device_units;
int32_t width = 0;
int32_t height = 0;
UErrorCode error = U_ZERO_ERROR;
ulocdata_getPaperSize(app_locale_.c_str(), &height, &width, &error);
if (error != U_ZERO_ERROR) {
// If the call failed, assume a paper size of 8.5 x 11 inches.
LOG(WARNING) << "ulocdata_getPaperSize failed, using 8.5 x 11, error: "
<< error;
width = static_cast<int>(8.5 * dpi);
height = static_cast<int>(11 * dpi);
} else {
// ulocdata_getPaperSize returns the width and height in mm.
// Convert this to pixels based on the dpi.
width = static_cast<int>(ConvertUnitDouble(width, 25.4, 1.0) * dpi);
height = static_cast<int>(ConvertUnitDouble(height, 25.4, 1.0) * dpi);
}
physical_size_device_units.SetSize(width, height);
printable_area_device_units.SetRect(
static_cast<int>(PrintSettingsInitializerGtk::kLeftMarginInInch * dpi),
static_cast<int>(PrintSettingsInitializerGtk::kTopMarginInInch * dpi),
width - (PrintSettingsInitializerGtk::kLeftMarginInInch +
PrintSettingsInitializerGtk::kRightMarginInInch) * dpi,
height - (PrintSettingsInitializerGtk::kTopMarginInInch +
PrintSettingsInitializerGtk::kBottomMarginInInch) * dpi);
settings_.set_dpi(dpi);
settings_.SetPrinterPrintableArea(physical_size_device_units,
printable_area_device_units,
dpi);
#else
if (!print_dialog_) {
print_dialog_ = create_dialog_func_(this);
print_dialog_->AddRefToDialog();
}
print_dialog_->UseDefaultSettings();
#endif // defined(OS_CHROMEOS)
return OK;
}
PrintingContext::Result PrintingContextCairo::UpdatePrinterSettings(
const DictionaryValue& job_settings, const PageRanges& ranges) {
#if defined(OS_CHROMEOS)
bool landscape = false;
if (!job_settings.GetBoolean(kSettingLandscape, &landscape))
return OnError();
if (settings_.dpi() == 0)
UseDefaultSettings();
settings_.SetOrientation(landscape);
settings_.ranges = ranges;
return OK;
#else
DCHECK(!in_print_job_);
if (!print_dialog_) {
print_dialog_ = create_dialog_func_(this);
print_dialog_->AddRefToDialog();
}
if (!print_dialog_->UpdateSettings(job_settings, ranges, &settings_))
return OnError();
return OK;
#endif
}
PrintingContext::Result PrintingContextCairo::InitWithSettings(
const PrintSettings& settings) {
DCHECK(!in_print_job_);
settings_ = settings;
return OK;
}
PrintingContext::Result PrintingContextCairo::NewDocument(
const string16& document_name) {
DCHECK(!in_print_job_);
in_print_job_ = true;
#if !defined(OS_CHROMEOS)
document_name_ = document_name;
#endif // !defined(OS_CHROMEOS)
return OK;
}
PrintingContext::Result PrintingContextCairo::NewPage() {
if (abort_printing_)
return CANCEL;
DCHECK(in_print_job_);
// Intentional No-op.
return OK;
}
PrintingContext::Result PrintingContextCairo::PageDone() {
if (abort_printing_)
return CANCEL;
DCHECK(in_print_job_);
// Intentional No-op.
return OK;
}
PrintingContext::Result PrintingContextCairo::DocumentDone() {
if (abort_printing_)
return CANCEL;
DCHECK(in_print_job_);
ResetSettings();
return OK;
}
void PrintingContextCairo::Cancel() {
abort_printing_ = true;
in_print_job_ = false;
}
void PrintingContextCairo::ReleaseContext() {
// Intentional No-op.
}
gfx::NativeDrawingContext PrintingContextCairo::context() const {
// Intentional No-op.
return NULL;
}
} // namespace printing

157
printing/printing_context_gtk.cc Normal file

@ -0,0 +1,157 @@
// Copyright (c) 2011 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/gtkprintunixdialog.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.
static 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,
PrintSettingsCallback* callback) {
print_dialog_->ShowDialog(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;
}
PrintingContext::Result PrintingContextGtk::UpdatePrinterSettings(
const DictionaryValue& job_settings, const PageRanges& ranges) {
DCHECK(!in_print_job_);
if (!print_dialog_) {
print_dialog_ = create_dialog_func_(this);
print_dialog_->AddRefToDialog();
}
if (!print_dialog_->UpdateSettings(job_settings, ranges, &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 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

21
printing/printing_context_cairo.h → printing/printing_context_gtk.h

@ -2,8 +2,8 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PRINTING_PRINTING_CONTEXT_CAIRO_H_
#define PRINTING_PRINTING_CONTEXT_CAIRO_H_
#ifndef PRINTING_PRINTING_CONTEXT_GTK_H_
#define PRINTING_PRINTING_CONTEXT_GTK_H_
#include <string>
@ -18,20 +18,18 @@ namespace printing {
class Metafile;
class PrintDialogGtkInterface;
class PRINTING_EXPORT PrintingContextCairo : public PrintingContext {
class PRINTING_EXPORT PrintingContextGtk : public PrintingContext {
public:
explicit PrintingContextCairo(const std::string& app_locale);
virtual ~PrintingContextCairo();
explicit PrintingContextGtk(const std::string& app_locale);
virtual ~PrintingContextGtk();
#if !defined(OS_CHROMEOS)
// Sets the function that creates the print dialog.
static void SetCreatePrintDialogFunction(
PrintDialogGtkInterface* (*create_dialog_func)(
PrintingContextCairo* context));
PrintingContextGtk* context));
// Prints the document contained in |metafile|.
void PrintDocument(const Metafile* metafile);
#endif
// PrintingContext implementation.
virtual void AskUserForSettings(gfx::NativeView parent_view,
@ -52,14 +50,13 @@ class PRINTING_EXPORT PrintingContextCairo : public PrintingContext {
virtual gfx::NativeDrawingContext context() const;
private:
#if !defined(OS_CHROMEOS)
string16 document_name_;
PrintDialogGtkInterface* print_dialog_;
#endif
DISALLOW_COPY_AND_ASSIGN(PrintingContextCairo);
DISALLOW_COPY_AND_ASSIGN(PrintingContextGtk);
};
} // namespace printing
#endif // PRINTING_PRINTING_CONTEXT_CAIRO_H_
#endif // PRINTING_PRINTING_CONTEXT_GTK_H_

158
printing/printing_context_no_system_dialog.cc Normal file

@ -0,0 +1,158 @@
// Copyright (c) 2011 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_no_system_dialog.h"
#include <unicode/ulocdata.h>
#include "base/logging.h"
#include "base/values.h"
#include "printing/metafile.h"
#include "printing/print_job_constants.h"
#include "printing/units.h"
namespace printing {
// static
PrintingContext* PrintingContext::Create(const std::string& app_locale) {
return static_cast<PrintingContext*>(
new PrintingContextNoSystemDialog(app_locale));
}
PrintingContextNoSystemDialog::PrintingContextNoSystemDialog(
const std::string& app_locale) : PrintingContext(app_locale) {
}
PrintingContextNoSystemDialog::~PrintingContextNoSystemDialog() {
ReleaseContext();
}
void PrintingContextNoSystemDialog::AskUserForSettings(
gfx::NativeView parent_view,
int max_pages,
bool has_selection,
PrintSettingsCallback* callback) {
// We don't want to bring up a dialog here. Ever. Just signal the callback.
callback->Run(OK);
}
PrintingContext::Result PrintingContextNoSystemDialog::UseDefaultSettings() {
DCHECK(!in_print_job_);
ResetSettings();
// TODO(abodenha): Fetch these settings from the OS where possible. See
// bug 102583.
// TODO(sanjeevr): We need a better feedback loop between the cloud print
// dialog and this code.
int dpi = 300;
gfx::Size physical_size_device_units;
gfx::Rect printable_area_device_units;
int32_t width = 0;
int32_t height = 0;
UErrorCode error = U_ZERO_ERROR;
ulocdata_getPaperSize(app_locale_.c_str(), &height, &width, &error);
if (error != U_ZERO_ERROR) {
// If the call failed, assume a paper size of 8.5 x 11 inches.
LOG(WARNING) << "ulocdata_getPaperSize failed, using 8.5 x 11, error: "
<< error;
width = static_cast<int>(8.5 * dpi);
height = static_cast<int>(11 * dpi);
} else {
// ulocdata_getPaperSize returns the width and height in mm.
// Convert this to pixels based on the dpi.
width = static_cast<int>(ConvertUnitDouble(width, 25.4, 1.0) * dpi);
height = static_cast<int>(ConvertUnitDouble(height, 25.4, 1.0) * dpi);
}
physical_size_device_units.SetSize(width, height);
// Assume full page is printable for now.
printable_area_device_units.SetRect(0, 0, width, height);
settings_.set_dpi(dpi);
settings_.SetPrinterPrintableArea(physical_size_device_units,
printable_area_device_units,
dpi);
return OK;
}
PrintingContext::Result PrintingContextNoSystemDialog::UpdatePrinterSettings(
const DictionaryValue& job_settings, const PageRanges& ranges) {
bool landscape = false;
if (!job_settings.GetBoolean(kSettingLandscape, &landscape))
return OnError();
if (settings_.dpi() == 0)
UseDefaultSettings();
settings_.SetOrientation(landscape);
settings_.ranges = ranges;
return OK;
}
PrintingContext::Result PrintingContextNoSystemDialog::InitWithSettings(
const PrintSettings& settings) {
DCHECK(!in_print_job_);
settings_ = settings;
return OK;
}
PrintingContext::Result PrintingContextNoSystemDialog::NewDocument(
const string16& document_name) {
DCHECK(!in_print_job_);
in_print_job_ = true;
return OK;
}
PrintingContext::Result PrintingContextNoSystemDialog::NewPage() {
if (abort_printing_)
return CANCEL;
DCHECK(in_print_job_);
// Intentional No-op.
return OK;
}
PrintingContext::Result PrintingContextNoSystemDialog::PageDone() {
if (abort_printing_)
return CANCEL;
DCHECK(in_print_job_);
// Intentional No-op.
return OK;
}
PrintingContext::Result PrintingContextNoSystemDialog::DocumentDone() {
if (abort_printing_)
return CANCEL;
DCHECK(in_print_job_);
ResetSettings();
return OK;
}
void PrintingContextNoSystemDialog::Cancel() {
abort_printing_ = true;
in_print_job_ = false;
}
void PrintingContextNoSystemDialog::ReleaseContext() {
// Intentional No-op.
}
gfx::NativeDrawingContext PrintingContextNoSystemDialog::context() const {
// Intentional No-op.
return NULL;
}
} // namespace printing

50
printing/printing_context_no_system_dialog.h Normal file

@ -0,0 +1,50 @@
// Copyright (c) 2011 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.
#ifndef PRINTING_PRINTING_CONTEXT_NO_SYSTEM_DIALOG_H_
#define PRINTING_PRINTING_CONTEXT_NO_SYSTEM_DIALOG_H_
#include <string>
#include "printing/printing_context.h"
namespace base {
class DictionaryValue;
}
namespace printing {
class Metafile;
class PRINTING_EXPORT PrintingContextNoSystemDialog : public PrintingContext {
public:
explicit PrintingContextNoSystemDialog(const std::string& app_locale);
virtual ~PrintingContextNoSystemDialog();
// PrintingContext implementation.
virtual void AskUserForSettings(gfx::NativeView parent_view,
int max_pages,
bool has_selection,
PrintSettingsCallback* callback);
virtual Result UseDefaultSettings();
virtual Result UpdatePrinterSettings(
const base::DictionaryValue& job_settings,
const PageRanges& ranges);
virtual Result InitWithSettings(const PrintSettings& settings);
virtual Result NewDocument(const string16& document_name);
virtual Result NewPage();
virtual Result PageDone();
virtual Result DocumentDone();
virtual void Cancel();
virtual void ReleaseContext();
virtual gfx::NativeDrawingContext context() const;
private:
DISALLOW_COPY_AND_ASSIGN(PrintingContextNoSystemDialog);
};
} // namespace printing
#endif // PRINTING_PRINTING_CONTEXT_NO_SYSTEM_DIALOG_H_