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// Copyright 2014 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 UI_GTK_PRINTING_PRINT_DIALOG_GTK_H_
#define UI_GTK_PRINTING_PRINT_DIALOG_GTK_H_
#include <gtk/gtk.h>
#include <gtk/gtkunixprint.h>
#include <memory>
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/memory/ref_counted_delete_on_sequence.h"
#include "printing/print_dialog_gtk_interface.h"
#include "printing/printing_context_linux.h"
#include "ui/aura/window_observer.h"
#include "ui/base/glib/glib_signal.h"
namespace printing {
class MetafilePlayer;
class PrintSettings;
} // namespace printing
using printing::PrintingContextLinux;
// Needs to be freed on the UI thread to clean up its GTK members variables.
class PrintDialogGtk : public printing::PrintDialogGtkInterface,
public base::RefCountedDeleteOnSequence<PrintDialogGtk>,
public aura::WindowObserver {
public:
// Creates and returns a print dialog.
static printing::PrintDialogGtkInterface* CreatePrintDialog(
PrintingContextLinux* context);
// printing::PrintDialogGtkInterface implementation.
void UseDefaultSettings() override;
void UpdateSettings(
std::unique_ptr<printing::PrintSettings> settings) override;
void ShowDialog(
gfx::NativeView parent_view,
bool has_selection,
PrintingContextLinux::PrintSettingsCallback callback) override;
void PrintDocument(const printing::MetafilePlayer& metafile,
const base::string16& document_name) override;
void AddRefToDialog() override;
void ReleaseDialog() override;
// Handles print job response.
void OnJobCompleted(GtkPrintJob* print_job, const GError* error);
private:
friend class base::RefCountedDeleteOnSequence<PrintDialogGtk>;
friend class base::DeleteHelper<PrintDialogGtk>;
explicit PrintDialogGtk(PrintingContextLinux* context);
~PrintDialogGtk() override;
// Handles dialog response.
CHROMEG_CALLBACK_1(PrintDialogGtk, void, OnResponse, GtkWidget*, int);
// Prints document named |document_name|.
void SendDocumentToPrinter(const base::string16& document_name);
// Helper function for initializing |context_|'s PrintSettings with a given
// |settings|.
void InitPrintSettings(std::unique_ptr<printing::PrintSettings> settings);
// aura::WindowObserver implementation.
void OnWindowDestroying(aura::Window* window) override;
// Printing dialog callback.
PrintingContextLinux::PrintSettingsCallback callback_;
PrintingContextLinux* const context_;
// Print dialog settings. PrintDialogGtk owns |dialog_| and holds references
// to the other objects.
GtkWidget* dialog_ = nullptr;
GtkPrintSettings* gtk_settings_ = nullptr;
GtkPageSetup* page_setup_ = nullptr;
GtkPrinter* printer_ = nullptr;
base::FilePath path_to_pdf_;
DISALLOW_COPY_AND_ASSIGN(PrintDialogGtk);
};
#endif // UI_GTK_PRINTING_PRINT_DIALOG_GTK_H_