WebUI: Move chrome/browser/dom_ui/options/ to chrome/browser/webui/options.

To reduce the size of this change I've left stub header files in chrome/browser/dom_ui/options.

I'll updated the references and delete the stub files later.

BUG=59945, 59946
TEST=trybots

Review URL: http://codereview.chromium.org/6469067

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@75496 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 145 insertions, 0 deletions

diff --git a/chrome/browser/webui/options/advanced_options_utils_gtk.cc b/chrome/browser/webui/options/advanced_options_utils_gtk.cc
new file mode 100644
index 0000000..951e1a5
--- /dev/null
+++ b/chrome/browser/webui/options/advanced_options_utils_gtk.cc
@@ -0,0 +1,145 @@
+// Copyright (c) 2011 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/options/advanced_options_utils.h"
+
+#include "base/file_util.h"
+#include "base/environment.h"
+#include "base/process_util.h"
+#include "base/string_tokenizer.h"
+#include "base/nix/xdg_util.h"
+#include "chrome/browser/browser_list.h"
+#include "chrome/browser/browser_thread.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/common/process_watcher.h"
+#include "ui/base/gtk/gtk_signal.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";
+
+struct ProxyConfigCommand {
+  std::string binary;
+  const char** argv;
+};
+
+namespace {
+
+// Search $PATH to find one of the commands. Store the full path to
+// it in the |binary| field and the command array index in in |index|.
+bool SearchPATH(ProxyConfigCommand* commands, size_t ncommands, size_t* index) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+  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;
+}
+
+// Show the proxy config URL in the given tab.
+void ShowLinuxProxyConfigUrl(TabContents* tab_contents) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  scoped_ptr<base::Environment> env(base::Environment::Create());
+  const char* name = base::nix::GetDesktopEnvironmentName(env.get());
+  if (name)
+    LOG(ERROR) << "Could not find " << name << " network settings in $PATH";
+  tab_contents->OpenURL(GURL(kLinuxProxyConfigUrl), GURL(),
+                        NEW_FOREGROUND_TAB, PageTransition::LINK);
+}
+
+// Start the given proxy configuration utility.
+void StartProxyConfigUtil(TabContents* tab_contents,
+                          const ProxyConfigCommand& command) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+  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;
+    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
+        NewRunnableFunction(&ShowLinuxProxyConfigUrl, tab_contents));
+    return;
+  }
+  ProcessWatcher::EnsureProcessGetsReaped(handle);
+}
+
+// Detect, and if possible, start the appropriate proxy config utility. On
+// failure to do so, show the Linux proxy config URL in a new tab instead.
+void DetectAndStartProxyConfigUtil(TabContents* tab_contents) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+  scoped_ptr<base::Environment> env(base::Environment::Create());
+
+  ProxyConfigCommand command;
+  bool found_command = false;
+  switch (base::nix::GetDesktopEnvironment(env.get())) {
+    case base::nix::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::nix::DESKTOP_ENVIRONMENT_KDE3:
+      command.argv = kKDE3ProxyConfigCommand;
+      found_command = SearchPATH(&command, 1, NULL);
+      break;
+
+    case base::nix::DESKTOP_ENVIRONMENT_KDE4:
+      command.argv = kKDE4ProxyConfigCommand;
+      found_command = SearchPATH(&command, 1, NULL);
+      break;
+
+    case base::nix::DESKTOP_ENVIRONMENT_XFCE:
+    case base::nix::DESKTOP_ENVIRONMENT_OTHER:
+      break;
+  }
+
+  if (found_command) {
+    StartProxyConfigUtil(tab_contents, command);
+  } else {
+    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
+        NewRunnableFunction(&ShowLinuxProxyConfigUrl, tab_contents));
+  }
+}
+
+}  // anonymous namespace
+
+void AdvancedOptionsUtilities::ShowNetworkProxySettings(
+    TabContents* tab_contents) {
+  BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
+      NewRunnableFunction(&DetectAndStartProxyConfigUtil, tab_contents));
+}
+
+#endif  // !defined(OS_CHROMEOS)