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      1 // Copyright (c) 2011 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/common/auto_start_linux.h"
      6 
      7 #include "base/environment.h"
      8 #include "base/file_path.h"
      9 #include "base/file_util.h"
     10 #include "base/logging.h"
     11 #include "base/nix/xdg_util.h"
     12 #include "base/string_tokenizer.h"
     13 
     14 namespace {
     15 
     16 const FilePath::CharType kAutostart[] = "autostart";
     17 const FilePath::CharType kConfig[] = ".config";
     18 const char kXdgConfigHome[] = "XDG_CONFIG_HOME";
     19 
     20 FilePath GetAutostartDirectory(base::Environment* environment) {
     21   FilePath result =
     22       base::nix::GetXDGDirectory(environment, kXdgConfigHome, kConfig);
     23   result = result.Append(kAutostart);
     24   return result;
     25 }
     26 
     27 }  // namespace
     28 
     29 bool AutoStart::AddApplication(const std::string& autostart_filename,
     30                                const std::string& application_name,
     31                                const std::string& command_line,
     32                                bool is_terminal_app) {
     33   scoped_ptr<base::Environment> environment(base::Environment::Create());
     34   FilePath autostart_directory = GetAutostartDirectory(environment.get());
     35   if (!file_util::DirectoryExists(autostart_directory) &&
     36       !file_util::CreateDirectory(autostart_directory)) {
     37     return false;
     38   }
     39 
     40   FilePath autostart_file = autostart_directory.Append(autostart_filename);
     41   std::string terminal = is_terminal_app ? "true" : "false";
     42   std::string autostart_file_contents =
     43       "[Desktop Entry]\n"
     44       "Type=Application\n"
     45       "Terminal=" + terminal + "\n"
     46       "Exec=" + command_line + "\n"
     47       "Name=" + application_name + "\n";
     48   std::string::size_type content_length = autostart_file_contents.length();
     49   if (file_util::WriteFile(autostart_file, autostart_file_contents.c_str(),
     50                            content_length) !=
     51       static_cast<int>(content_length)) {
     52     file_util::Delete(autostart_file, false);
     53     return false;
     54   }
     55   return true;
     56 }
     57 
     58 bool AutoStart::Remove(const std::string& autostart_filename) {
     59   scoped_ptr<base::Environment> environment(base::Environment::Create());
     60   FilePath autostart_directory = GetAutostartDirectory(environment.get());
     61   FilePath autostart_file = autostart_directory.Append(autostart_filename);
     62   return file_util::Delete(autostart_file, false);
     63 }
     64 
     65 bool AutoStart::GetAutostartFileContents(
     66     const std::string& autostart_filename, std::string* contents) {
     67   scoped_ptr<base::Environment> environment(base::Environment::Create());
     68   FilePath autostart_directory = GetAutostartDirectory(environment.get());
     69   FilePath autostart_file = autostart_directory.Append(autostart_filename);
     70   return file_util::ReadFileToString(autostart_file, contents);
     71 }
     72 
     73 bool AutoStart::GetAutostartFileValue(const std::string& autostart_filename,
     74                                       const std::string& value_name,
     75                                       std::string* value) {
     76   std::string contents;
     77   if (!GetAutostartFileContents(autostart_filename, &contents))
     78     return false;
     79   StringTokenizer tokenizer(contents, "\n");
     80   std::string token = value_name + "=";
     81   while (tokenizer.GetNext()) {
     82     if (tokenizer.token().substr(0, token.length()) == token) {
     83       *value = tokenizer.token().substr(token.length());
     84       return true;
     85     }
     86   }
     87   return false;
     88 }
     89