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// 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
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