| // 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 PRINTING_PRINT_DIALOG_GTK_INTERFACE_H_ |
| #define PRINTING_PRINT_DIALOG_GTK_INTERFACE_H_ |
| |
| #include "base/strings/string16.h" |
| #include "printing/printing_context_linux.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| namespace printing { |
| |
| class Metafile; |
| class PrintSettings; |
| |
| // An interface for GTK printing dialogs. Classes that live outside of |
| // printing/ can implement this interface and get threading requirements |
| // correct without exposing those requirements to printing/. |
| class PrintDialogGtkInterface { |
| public: |
| // Tell the dialog to use the default print setting. |
| virtual void UseDefaultSettings() = 0; |
| |
| // Updates the dialog to use |settings|. Only used when printing without the |
| // system print dialog. E.g. for Print Preview. Returns false on error. |
| virtual bool UpdateSettings(PrintSettings* settings) = 0; |
| |
| // Shows the dialog and handles the response with |callback|. Only used when |
| // printing with the native print dialog. |
| virtual void ShowDialog( |
| gfx::NativeView parent_view, |
| bool has_selection, |
| const PrintingContextLinux::PrintSettingsCallback& callback) = 0; |
| |
| // Prints the document named |document_name| contained in |metafile|. |
| // Called from the print worker thread. Once called, the |
| // PrintDialogGtkInterface instance should not be reused. |
| virtual void PrintDocument(const Metafile* metafile, |
| const base::string16& document_name) = 0; |
| |
| // Same as AddRef/Release, but with different names since |
| // PrintDialogGtkInterface does not inherit from RefCounted. |
| virtual void AddRefToDialog() = 0; |
| virtual void ReleaseDialog() = 0; |
| |
| protected: |
| virtual ~PrintDialogGtkInterface() {} |
| }; |
| |
| } // namespace printing |
| |
| #endif // PRINTING_PRINT_DIALOG_GTK_INTERFACE_H_ |