Extract a base class from CommandLinePrefStore

chrome/browser/prefs/command_line_pref_store.cc

-// Copyright (c) 2012 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.
-
-#include "chrome/browser/prefs/command_line_pref_store.h"
-
-#include <stddef.h>
-
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "ash/common/ash_switches.h"
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_split.h"
-#include "base/values.h"
-#include "build/build_config.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/pref_names.h"
-#include "components/data_reduction_proxy/core/common/data_reduction_proxy_pref_names.h"
-#include "components/data_reduction_proxy/core/common/data_reduction_proxy_switches.h"
-#include "components/proxy_config/proxy_config_dictionary.h"
-#include "components/proxy_config/proxy_config_pref_names.h"
-#include "components/ssl_config/ssl_config_prefs.h"
-#include "components/ssl_config/ssl_config_switches.h"
-#include "content/public/common/content_switches.h"
-#include "ui/base/ui_base_switches.h"
-#include "ui/display/display_switches.h"
-
-#if defined(OS_CHROMEOS)
-#include "chromeos/chromeos_switches.h"
-#endif
-
-const CommandLinePrefStore::StringSwitchToPreferenceMapEntry
-    CommandLinePrefStore::string_switch_map_[] = {
-      { switches::kLang, prefs::kApplicationLocale },
-      { data_reduction_proxy::switches::kDataReductionProxy,
-          data_reduction_proxy::prefs::kDataReductionProxy },
-      { switches::kAuthServerWhitelist, prefs::kAuthServerWhitelist },
-      { switches::kSSLVersionMin, ssl_config::prefs::kSSLVersionMin },
-      { switches::kSSLVersionMax, ssl_config::prefs::kSSLVersionMax },
-#if defined(OS_ANDROID)
-      { switches::kAuthAndroidNegotiateAccountType,
-          prefs::kAuthAndroidNegotiateAccountType },
-#endif
-};
-
-const CommandLinePrefStore::PathSwitchToPreferenceMapEntry
-    CommandLinePrefStore::path_switch_map_[] = {
-      { switches::kDiskCacheDir, prefs::kDiskCacheDir },
-};
-
-const CommandLinePrefStore::BooleanSwitchToPreferenceMapEntry
-    CommandLinePrefStore::boolean_switch_map_[] = {
-        {switches::kDisable3DAPIs, prefs::kDisable3DAPIs, true},
-        {switches::kEnableCloudPrintProxy, prefs::kCloudPrintProxyEnabled,
-         true},
-        {switches::kAllowOutdatedPlugins, prefs::kPluginsAllowOutdated, true},
-        {switches::kAlwaysAuthorizePlugins, prefs::kPluginsAlwaysAuthorize,
-         true},
-        {switches::kNoPings, prefs::kEnableHyperlinkAuditing, false},
-        {switches::kNoReferrers, prefs::kEnableReferrers, false},
-        {switches::kAllowRunningInsecureContent,
-         prefs::kWebKitAllowRunningInsecureContent, true},
-        {switches::kAllowCrossOriginAuthPrompt,
-         prefs::kAllowCrossOriginAuthPrompt, true},
-        {switches::kDisablePrintPreview, prefs::kPrintPreviewDisabled, true},
-#if defined(OS_CHROMEOS)
-        {chromeos::switches::kEnableTouchpadThreeFingerClick,
-         prefs::kEnableTouchpadThreeFingerClick, true},
-        {switches::kEnableUnifiedDesktop,
-         prefs::kUnifiedDesktopEnabledByDefault, true},
-#endif
-        {switches::kUnsafePacUrl, prefs::kPacHttpsUrlStrippingEnabled, false},
-};
-
-const CommandLinePrefStore::IntegerSwitchToPreferenceMapEntry
-    CommandLinePrefStore::integer_switch_map_[] = {
-      { switches::kDiskCacheSize, prefs::kDiskCacheSize },
-      { switches::kMediaCacheSize, prefs::kMediaCacheSize },
-    };
-
-CommandLinePrefStore::CommandLinePrefStore(
-    const base::CommandLine* command_line)
-    : command_line_(command_line) {
-  ApplySimpleSwitches();
-  ApplyProxyMode();
-  ValidateProxySwitches();
-  ApplySSLSwitches();
-  ApplyBackgroundModeSwitches();
-}
-
-CommandLinePrefStore::~CommandLinePrefStore() {}
-
-bool CommandLinePrefStore::ValidateProxySwitches() {
-  if (command_line_->HasSwitch(switches::kNoProxyServer) &&
-      (command_line_->HasSwitch(switches::kProxyAutoDetect) ||
-       command_line_->HasSwitch(switches::kProxyServer) ||
-       command_line_->HasSwitch(switches::kProxyPacUrl) ||
-       command_line_->HasSwitch(switches::kProxyBypassList))) {
-    LOG(WARNING) << "Additional command-line proxy switches specified when --"
-                 << switches::kNoProxyServer << " was also specified.";
-    return false;
-  }
-  return true;
-}
-
-void CommandLinePrefStore::ApplySimpleSwitches() {
-  // Look for each switch we know about and set its preference accordingly.
-  for (size_t i = 0; i < arraysize(string_switch_map_); ++i) {
-    if (command_line_->HasSwitch(string_switch_map_[i].switch_name)) {
-      SetValue(string_switch_map_[i].preference_path,
-               base::MakeUnique<base::StringValue>(
-                   command_line_->GetSwitchValueASCII(
-                       string_switch_map_[i].switch_name)),
-               WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
-    }
-  }
-
-  for (size_t i = 0; i < arraysize(path_switch_map_); ++i) {
-    if (command_line_->HasSwitch(path_switch_map_[i].switch_name)) {
-      SetValue(
-          path_switch_map_[i].preference_path,
-          base::MakeUnique<base::StringValue>(
-              command_line_->GetSwitchValuePath(path_switch_map_[i].switch_name)
-                  .value()),
-          WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
-    }
-  }
-
-  for (size_t i = 0; i < arraysize(integer_switch_map_); ++i) {
-    if (command_line_->HasSwitch(integer_switch_map_[i].switch_name)) {
-      std::string str_value = command_line_->GetSwitchValueASCII(
-          integer_switch_map_[i].switch_name);
-      int int_value = 0;
-      if (!base::StringToInt(str_value, &int_value)) {
-        LOG(ERROR) << "The value " << str_value << " of "
-                   << integer_switch_map_[i].switch_name
-                   << " can not be converted to integer, ignoring!";
-        continue;
-      }
-      SetValue(integer_switch_map_[i].preference_path,
-               base::MakeUnique<base::FundamentalValue>(int_value),
-               WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
-    }
-  }
-
-  for (size_t i = 0; i < arraysize(boolean_switch_map_); ++i) {
-    if (command_line_->HasSwitch(boolean_switch_map_[i].switch_name)) {
-      SetValue(boolean_switch_map_[i].preference_path,
-               base::MakeUnique<base::FundamentalValue>(
-                   boolean_switch_map_[i].set_value),
-               WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
-    }
-  }
-}
-
-void CommandLinePrefStore::ApplyProxyMode() {
-  if (command_line_->HasSwitch(switches::kNoProxyServer)) {
-    SetValue(proxy_config::prefs::kProxy,
-             base::WrapUnique(ProxyConfigDictionary::CreateDirect()),
-             WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
-  } else if (command_line_->HasSwitch(switches::kProxyPacUrl)) {
-    std::string pac_script_url =
-        command_line_->GetSwitchValueASCII(switches::kProxyPacUrl);
-    SetValue(proxy_config::prefs::kProxy,
-             base::WrapUnique(
-                 ProxyConfigDictionary::CreatePacScript(pac_script_url, false)),
-             WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
-  } else if (command_line_->HasSwitch(switches::kProxyAutoDetect)) {
-    SetValue(proxy_config::prefs::kProxy,
-             base::WrapUnique(ProxyConfigDictionary::CreateAutoDetect()),
-             WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
-  } else if (command_line_->HasSwitch(switches::kProxyServer)) {
-    std::string proxy_server =
-        command_line_->GetSwitchValueASCII(switches::kProxyServer);
-    std::string bypass_list =
-        command_line_->GetSwitchValueASCII(switches::kProxyBypassList);
-    SetValue(proxy_config::prefs::kProxy,
-             base::WrapUnique(ProxyConfigDictionary::CreateFixedServers(
-                 proxy_server, bypass_list)),
-             WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
-  }
-}
-
-void CommandLinePrefStore::ApplySSLSwitches() {
-  if (command_line_->HasSwitch(switches::kCipherSuiteBlacklist)) {
-    std::unique_ptr<base::ListValue> list_value(new base::ListValue());
-    list_value->AppendStrings(base::SplitString(
-        command_line_->GetSwitchValueASCII(switches::kCipherSuiteBlacklist),
-        ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL));
-    SetValue(ssl_config::prefs::kCipherSuiteBlacklist, std::move(list_value),
-             WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
-  }
-}
-
-void CommandLinePrefStore::ApplyBackgroundModeSwitches() {
-  if (command_line_->HasSwitch(switches::kDisableExtensions)) {
-    SetValue(prefs::kBackgroundModeEnabled,
-             base::MakeUnique<base::FundamentalValue>(false),
-             WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
-  }
-}