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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.
#ifndef CHROME_BROWSER_PRINTING_PRINT_DIALOG_GTK_H_
#define CHROME_BROWSER_PRINTING_PRINT_DIALOG_GTK_H_
#include <gtk/gtk.h>
#include <gtk/gtkunixprint.h>
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/task/sequenced_task_runner_helpers.h"
#include "content/public/browser/browser_thread.h"
#include "printing/print_dialog_gtk_interface.h"
#include "printing/printing_context_gtk.h"
#include "ui/base/gtk/gtk_signal.h"
namespace printing {
class Metafile;
class PrintSettings;
}
using printing::PrintingContextGtk;
// Needs to be freed on the UI thread to clean up its GTK members variables.
class PrintDialogGtk
: public printing::PrintDialogGtkInterface,
public base::RefCountedThreadSafe<
PrintDialogGtk, content::BrowserThread::DeleteOnUIThread> {
public:
// Creates and returns a print dialog.
static printing::PrintDialogGtkInterface* CreatePrintDialog(
PrintingContextGtk* context);
// printing::PrintDialogGtkInterface implementation.
virtual void UseDefaultSettings() OVERRIDE;
virtual bool UpdateSettings(const base::DictionaryValue& job_settings,
const printing::PageRanges& ranges,
printing::PrintSettings* settings) OVERRIDE;
virtual void ShowDialog(
gfx::NativeView parent_view,
bool has_selection,
const PrintingContextGtk::PrintSettingsCallback& callback) OVERRIDE;
virtual void PrintDocument(const printing::Metafile* metafile,
const string16& document_name) OVERRIDE;
virtual void AddRefToDialog() OVERRIDE;
virtual void ReleaseDialog() OVERRIDE;
private:
friend struct content::BrowserThread::DeleteOnThread<
content::BrowserThread::UI>;
friend class base::DeleteHelper<PrintDialogGtk>;
explicit PrintDialogGtk(PrintingContextGtk* context);
virtual ~PrintDialogGtk();
// Handles dialog response.
CHROMEGTK_CALLBACK_1(PrintDialogGtk, void, OnResponse, int);
// Prints document named |document_name|.
void SendDocumentToPrinter(const string16& document_name);
// Handles print job response.
static void OnJobCompletedThunk(GtkPrintJob* print_job,
gpointer user_data,
GError* error);
void OnJobCompleted(GtkPrintJob* print_job, GError* error);
// Helper function for initializing |context_|'s PrintSettings with a given
// set of |page_ranges| and |settings|.
void InitPrintSettings(const printing::PageRanges& page_ranges,
printing::PrintSettings* settings);
// Printing dialog callback.
PrintingContextGtk::PrintSettingsCallback callback_;
PrintingContextGtk* context_;
// Print dialog settings. PrintDialogGtk owns |dialog_| and holds references
// to the other objects.
GtkWidget* dialog_;
GtkPrintSettings* gtk_settings_;
GtkPageSetup* page_setup_;
GtkPrinter* printer_;
base::FilePath path_to_pdf_;
DISALLOW_COPY_AND_ASSIGN(PrintDialogGtk);
};
#endif // CHROME_BROWSER_PRINTING_PRINT_DIALOG_GTK_H_
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