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// 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 <stdint.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
scoped_ptr<PrintingContext> PrintingContext::Create(Delegate* delegate) {
return make_scoped_ptr<PrintingContext>(
new PrintingContextNoSystemDialog(delegate));
}
PrintingContextNoSystemDialog::PrintingContextNoSystemDialog(Delegate* delegate)
: PrintingContext(delegate) {
}
PrintingContextNoSystemDialog::~PrintingContextNoSystemDialog() {
ReleaseContext();
}
void PrintingContextNoSystemDialog::AskUserForSettings(
int max_pages,
bool has_selection,
bool is_scripted,
const 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();
settings_.set_dpi(kDefaultPdfDpi);
gfx::Size physical_size = GetPdfPaperSizeDeviceUnits();
// Assume full page is printable for now.
gfx::Rect printable_area(0, 0, physical_size.width(), physical_size.height());
DCHECK_EQ(settings_.device_units_per_inch(), kDefaultPdfDpi);
settings_.SetPrinterPrintableArea(physical_size, printable_area, true);
return OK;
}
gfx::Size PrintingContextNoSystemDialog::GetPdfPaperSizeDeviceUnits() {
int32_t width = 0;
int32_t height = 0;
UErrorCode error = U_ZERO_ERROR;
ulocdata_getPaperSize(
delegate_->GetAppLocale().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>(
kLetterWidthInch * settings_.device_units_per_inch());
height = static_cast<int>(
kLetterHeightInch * settings_.device_units_per_inch());
} else {
// ulocdata_getPaperSize returns the width and height in mm.
// Convert this to pixels based on the dpi.
float multiplier = 100 * settings_.device_units_per_inch();
multiplier /= kHundrethsMMPerInch;
width *= multiplier;
height *= multiplier;
}
return gfx::Size(width, height);
}
PrintingContext::Result PrintingContextNoSystemDialog::UpdatePrinterSettings(
bool external_preview,
bool show_system_dialog,
int page_count) {
DCHECK(!show_system_dialog);
if (settings_.dpi() == 0)
UseDefaultSettings();
return OK;
}
PrintingContext::Result PrintingContextNoSystemDialog::InitWithSettings(
const PrintSettings& settings) {
DCHECK(!in_print_job_);
settings_ = settings;
return OK;
}
PrintingContext::Result PrintingContextNoSystemDialog::NewDocument(
const base::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
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