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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 <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,
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();
// 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
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