Implement dom-ui proxy settings dialog for Linux/Windows....

chrome/browser/dom_ui/advanced_options_utils_gtk.cc

+// Copyright (c) 2010 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.
+
+#if !defined(OS_CHROMEOS)
+
+#include "chrome/browser/dom_ui/advanced_options_utils.h"
+
+#include "app/gtk_signal.h"
+#include "app/gtk_util.h"
+#include "base/file_util.h"
+#include "base/env_var.h"
+#include "base/process_util.h"
+#include "base/string_tokenizer.h"
+#include "base/xdg_util.h"
+#include "chrome/browser/browser_list.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/common/process_watcher.h"
+
+// Command used to configure GNOME proxy settings. The command was renamed
+// in January 2009, so both are used to work on both old and new systems.
+const char* kOldGNOMEProxyConfigCommand[] = {"gnome-network-preferences", NULL};
+const char* kGNOMEProxyConfigCommand[] = {"gnome-network-properties", NULL};
+// KDE3 and KDE4 are only slightly different, but incompatible. Go figure.
+const char* kKDE3ProxyConfigCommand[] = {"kcmshell", "proxy", NULL};
+const char* kKDE4ProxyConfigCommand[] = {"kcmshell4", "proxy", NULL};
+
+// The URL for Linux proxy configuration help when not running under a
+// supported desktop environment.
+const char kLinuxProxyConfigUrl[] = "about:linux-proxy-config";
+
+// The URL for Linux ssl certificate configuration help.
+const char* const kLinuxCertificatesConfigUrl =
+    "http://code.google.com/p/chromium/wiki/LinuxCertManagement";
+
+
+struct ProxyConfigCommand {
+  std::string binary;
+  const char** argv;
+};
+
+static bool SearchPATH(ProxyConfigCommand* commands, size_t ncommands,
+                       size_t* index) {
+  const char* path = getenv("PATH");
+  if (!path)
+    return false;
+  FilePath bin_path;
+  CStringTokenizer tk(path, path + strlen(path), ":");
+  // Search $PATH looking for the commands in order.
+  while (tk.GetNext()) {
+    for (size_t i = 0; i < ncommands; i++) {
+      bin_path = FilePath(tk.token()).Append(commands[i].argv[0]);
+      if (file_util::PathExists(bin_path)) {
+        commands[i].binary = bin_path.value();
+        if (index)
+          *index = i;
+        return true;
+      }
+    }
+  }
+  // Did not find any of the binaries in $PATH.
+  return false;
+}
+
+static void StartProxyConfigUtil(const ProxyConfigCommand& command) {
+  std::vector<std::string> argv;
+  argv.push_back(command.binary);
+  for (size_t i = 1; command.argv[i]; i++)
+    argv.push_back(command.argv[i]);
+  base::file_handle_mapping_vector no_files;
+  base::ProcessHandle handle;
+  if (!base::LaunchApp(argv, no_files, false, &handle)) {
+    LOG(ERROR) << "StartProxyConfigUtil failed to start " << command.binary;
+    BrowserList::GetLastActive()->
+        OpenURL(GURL(kLinuxProxyConfigUrl), GURL(), NEW_FOREGROUND_TAB,
+                PageTransition::LINK);
+    return;
+  }
+  ProcessWatcher::EnsureProcessGetsReaped(handle);
+}
+
+void AdvancedOptionsUtilities::ShowNetworkProxySettings(
+      TabContents* tab_contents) {
+  scoped_ptr<base::EnvVarGetter> env_getter(base::EnvVarGetter::Create());
+
+  ProxyConfigCommand command;
+  bool found_command = false;
+  switch (base::GetDesktopEnvironment(env_getter.get())) {
+    case base::DESKTOP_ENVIRONMENT_GNOME: {
+      size_t index;
+      ProxyConfigCommand commands[2];
+      commands[0].argv = kGNOMEProxyConfigCommand;
+      commands[1].argv = kOldGNOMEProxyConfigCommand;
+      found_command = SearchPATH(commands, 2, &index);
+      if (found_command)
+        command = commands[index];
+      break;
+    }
+
+    case base::DESKTOP_ENVIRONMENT_KDE3:
+      command.argv = kKDE3ProxyConfigCommand;
+      found_command = SearchPATH(&command, 1, NULL);
+      break;
+
+    case base::DESKTOP_ENVIRONMENT_KDE4:
+      command.argv = kKDE4ProxyConfigCommand;
+      found_command = SearchPATH(&command, 1, NULL);
+      break;
+
+    case base::DESKTOP_ENVIRONMENT_XFCE:
+    case base::DESKTOP_ENVIRONMENT_OTHER:
+      break;
+  }
+
+  if (found_command) {
+    StartProxyConfigUtil(command);
+  } else {
+    const char* name = base::GetDesktopEnvironmentName(env_getter.get());
+    if (name)
+      LOG(ERROR) << "Could not find " << name << " network settings in $PATH";
+    tab_contents->OpenURL(GURL(kLinuxProxyConfigUrl), GURL(),
+                          NEW_FOREGROUND_TAB, PageTransition::LINK);
+  }
+}
+
+void AdvancedOptionsUtilities::ShowManageSSLCertificates(
+      TabContents* tab_contents) {
+  tab_contents->OpenURL(GURL(kLinuxCertificatesConfigUrl), GURL(),
+                        NEW_WINDOW, PageTransition::LINK);
+}
+
+#endif  // !defined(OS_CHROMEOS)