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// Copyright 2013 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/sessions/restore_on_startup_policy_handler.h"
#include "base/prefs/pref_value_map.h"
#include "base/strings/string_number_conversions.h"
#include "base/values.h"
#include "chrome/browser/prefs/session_startup_pref.h"
#include "chrome/common/pref_names.h"
#include "components/policy/core/browser/policy_error_map.h"
#include "components/policy/core/common/policy_map.h"
#include "grit/components_strings.h"
#include "policy/policy_constants.h"
namespace policy {
RestoreOnStartupPolicyHandler::RestoreOnStartupPolicyHandler()
: TypeCheckingPolicyHandler(key::kRestoreOnStartup,
base::Value::TYPE_INTEGER) {}
RestoreOnStartupPolicyHandler::~RestoreOnStartupPolicyHandler() {
}
void RestoreOnStartupPolicyHandler::ApplyPolicySettings(
const PolicyMap& policies,
PrefValueMap* prefs) {
const base::Value* restore_on_startup_value =
policies.GetValue(policy_name());
if (restore_on_startup_value) {
int restore_on_startup;
if (!restore_on_startup_value->GetAsInteger(&restore_on_startup))
return;
if (restore_on_startup == SessionStartupPref::kPrefValueHomePage)
ApplyPolicySettingsFromHomePage(policies, prefs);
else
prefs->SetInteger(prefs::kRestoreOnStartup, restore_on_startup);
}
}
void RestoreOnStartupPolicyHandler::ApplyPolicySettingsFromHomePage(
const PolicyMap& policies,
PrefValueMap* prefs) {
const base::Value* homepage_is_new_tab_page_value =
policies.GetValue(key::kHomepageIsNewTabPage);
if (!homepage_is_new_tab_page_value) {
// The policy is enforcing 'open the homepage on startup' but not
// enforcing what the homepage should be. Don't set any prefs.
return;
}
bool homepage_is_new_tab_page;
if (!homepage_is_new_tab_page_value->GetAsBoolean(&homepage_is_new_tab_page))
return;
if (homepage_is_new_tab_page) {
prefs->SetInteger(prefs::kRestoreOnStartup,
SessionStartupPref::kPrefValueNewTab);
} else {
const base::Value* homepage_value =
policies.GetValue(key::kHomepageLocation);
if (!homepage_value || !homepage_value->IsType(base::Value::TYPE_STRING)) {
// The policy is enforcing 'open the homepage on startup' but not
// enforcing what the homepage should be. Don't set any prefs.
return;
}
base::ListValue* url_list = new base::ListValue();
url_list->Append(homepage_value->DeepCopy());
prefs->SetInteger(prefs::kRestoreOnStartup,
SessionStartupPref::kPrefValueURLs);
prefs->SetValue(prefs::kURLsToRestoreOnStartup, url_list);
}
}
bool RestoreOnStartupPolicyHandler::CheckPolicySettings(
const PolicyMap& policies,
PolicyErrorMap* errors) {
if (!TypeCheckingPolicyHandler::CheckPolicySettings(policies, errors))
return false;
const base::Value* restore_policy = policies.GetValue(key::kRestoreOnStartup);
if (restore_policy) {
int restore_value;
CHECK(restore_policy->GetAsInteger(&restore_value)); // Passed type check.
switch (restore_value) {
case SessionStartupPref::kPrefValueHomePage:
errors->AddError(policy_name(), IDS_POLICY_VALUE_DEPRECATED);
break;
case SessionStartupPref::kPrefValueLast: {
// If the "restore last session" policy is set, session cookies are
// treated as permanent cookies and site data needed to restore the
// session is not cleared so we have to warn the user in that case.
const base::Value* cookies_policy =
policies.GetValue(key::kCookiesSessionOnlyForUrls);
const base::ListValue* cookies_value;
if (cookies_policy && cookies_policy->GetAsList(&cookies_value) &&
!cookies_value->empty()) {
errors->AddError(key::kCookiesSessionOnlyForUrls,
IDS_POLICY_OVERRIDDEN,
key::kRestoreOnStartup);
}
const base::Value* exit_policy =
policies.GetValue(key::kClearSiteDataOnExit);
bool exit_value;
if (exit_policy && exit_policy->GetAsBoolean(&exit_value) &&
exit_value) {
errors->AddError(key::kClearSiteDataOnExit,
IDS_POLICY_OVERRIDDEN,
key::kRestoreOnStartup);
}
break;
}
case SessionStartupPref::kPrefValueURLs:
case SessionStartupPref::kPrefValueNewTab:
// No error
break;
default:
errors->AddError(policy_name(),
IDS_POLICY_OUT_OF_RANGE_ERROR,
base::IntToString(restore_value));
}
}
return true;
}
} // namespace policy
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