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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_UI_LIBGTKUI_PRINT_DIALOG_GTK2_H_ | |
6 #define CHROME_BROWSER_UI_LIBGTKUI_PRINT_DIALOG_GTK2_H_ | |
7 | |
8 #include <gtk/gtk.h> | |
9 #include <gtk/gtkunixprint.h> | |
10 | |
11 #include "base/compiler_specific.h" | |
12 #include "base/files/file_path.h" | |
13 #include "base/macros.h" | |
14 #include "base/memory/ref_counted.h" | |
15 #include "base/sequenced_task_runner_helpers.h" | |
16 #include "chrome/browser/ui/libgtkui/gtk2_signal.h" | |
17 #include "content/public/browser/browser_thread.h" | |
18 #include "printing/print_dialog_gtk_interface.h" | |
19 #include "printing/printing_context_linux.h" | |
20 #include "ui/aura/window_observer.h" | |
21 | |
22 namespace printing { | |
23 class MetafilePlayer; | |
24 class PrintSettings; | |
25 } | |
26 | |
27 using printing::PrintingContextLinux; | |
28 | |
29 // Needs to be freed on the UI thread to clean up its GTK members variables. | |
30 class PrintDialogGtk2 | |
31 : public printing::PrintDialogGtkInterface, | |
32 public base::RefCountedThreadSafe< | |
33 PrintDialogGtk2, content::BrowserThread::DeleteOnUIThread>, | |
34 public aura::WindowObserver { | |
35 public: | |
36 // Creates and returns a print dialog. | |
37 static printing::PrintDialogGtkInterface* CreatePrintDialog( | |
38 PrintingContextLinux* context); | |
39 | |
40 // printing::PrintDialogGtkInterface implementation. | |
41 void UseDefaultSettings() override; | |
42 bool UpdateSettings(printing::PrintSettings* settings) override; | |
43 void ShowDialog( | |
44 gfx::NativeView parent_view, | |
45 bool has_selection, | |
46 const PrintingContextLinux::PrintSettingsCallback& callback) override; | |
47 void PrintDocument(const printing::MetafilePlayer& metafile, | |
48 const base::string16& document_name) override; | |
49 void AddRefToDialog() override; | |
50 void ReleaseDialog() override; | |
51 | |
52 // Handles print job response. | |
53 void OnJobCompleted(GtkPrintJob* print_job, const GError* error); | |
54 | |
55 private: | |
56 friend struct content::BrowserThread::DeleteOnThread< | |
57 content::BrowserThread::UI>; | |
58 friend class base::DeleteHelper<PrintDialogGtk2>; | |
59 | |
60 explicit PrintDialogGtk2(PrintingContextLinux* context); | |
61 ~PrintDialogGtk2() override; | |
62 | |
63 // Handles dialog response. | |
64 CHROMEGTK_CALLBACK_1(PrintDialogGtk2, void, OnResponse, int); | |
65 | |
66 // Prints document named |document_name|. | |
67 void SendDocumentToPrinter(const base::string16& document_name); | |
68 | |
69 // Helper function for initializing |context_|'s PrintSettings with a given | |
70 // |settings|. | |
71 void InitPrintSettings(printing::PrintSettings* settings); | |
72 | |
73 // aura::WindowObserver implementation. | |
74 void OnWindowDestroying(aura::Window* window) override; | |
75 | |
76 // Printing dialog callback. | |
77 PrintingContextLinux::PrintSettingsCallback callback_; | |
78 PrintingContextLinux* context_; | |
79 | |
80 // Print dialog settings. PrintDialogGtk2 owns |dialog_| and holds references | |
81 // to the other objects. | |
82 GtkWidget* dialog_; | |
83 GtkPrintSettings* gtk_settings_; | |
84 GtkPageSetup* page_setup_; | |
85 GtkPrinter* printer_; | |
86 | |
87 base::FilePath path_to_pdf_; | |
88 | |
89 DISALLOW_COPY_AND_ASSIGN(PrintDialogGtk2); | |
90 }; | |
91 | |
92 #endif // CHROME_BROWSER_UI_LIBGTKUI_PRINT_DIALOG_GTK2_H_ | |
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