printer_manager_dialog_linux.cc revision 9ab5563a3196760eb381d102cbb2bc0f7abc6a50 
1// Copyright (c) 2012 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#include "chrome/browser/printing/printer_manager_dialog.h"
6
7#include "base/bind.h"
8#include "base/environment.h"
9#include "base/memory/scoped_ptr.h"
10#include "base/message_loop/message_loop.h"
11#include "base/nix/xdg_util.h"
12#include "base/process_util.h"
13#include "content/public/browser/browser_thread.h"
14
15using base::Environment;
16using content::BrowserThread;
17
18namespace {
19
20// KDE printer config command ("system-config-printer-kde") causes the
21// OptionWidget to crash (https://bugs.kde.org/show_bug.cgi?id=271957).
22// Therefore, use GNOME printer config command for KDE.
23const char kGNOMEPrinterConfigCommand[] = "system-config-printer";
24
25// Detect the command based on the deskop environment and open the printer
26// manager dialog.
27void DetectAndOpenPrinterConfigDialog() {
28  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
29  scoped_ptr<Environment> env(Environment::Create());
30
31  const char* command = NULL;
32  switch (base::nix::GetDesktopEnvironment(env.get())) {
33    case base::nix::DESKTOP_ENVIRONMENT_GNOME:
34    case base::nix::DESKTOP_ENVIRONMENT_KDE3:
35    case base::nix::DESKTOP_ENVIRONMENT_KDE4:
36    case base::nix::DESKTOP_ENVIRONMENT_UNITY:
37      command = kGNOMEPrinterConfigCommand;
38      break;
39    case base::nix::DESKTOP_ENVIRONMENT_XFCE:
40    case base::nix::DESKTOP_ENVIRONMENT_OTHER:
41      break;
42  }
43
44  if (!command) {
45    LOG(ERROR) << "Failed to detect the command to open printer config dialog";
46    return;
47  }
48
49  std::vector<std::string> argv;
50  argv.push_back(command);
51  base::ProcessHandle handle;
52  if (!base::LaunchProcess(argv, base::LaunchOptions(), &handle)) {
53    LOG(ERROR) << "Failed to open printer manager dialog ";
54    return;
55  }
56  base::EnsureProcessGetsReaped(handle);
57}
58
59}  // anonymous namespace
60
61namespace printing {
62
63void PrinterManagerDialog::ShowPrinterManagerDialog() {
64  BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
65                          base::Bind(&DetectAndOpenPrinterConfigDialog));
66}
67
68}  // namespace printing
69