Initial Managed Mode extension API, supporting querying the setting and a stub for enabling the mod…

chrome/browser/extensions/extension_managed_mode_api.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.
+
+// Implementation of the Chrome Extensions Managed Mode API.
+
+#include "chrome/browser/extensions/extension_managed_mode_api.h"
+
+#include <string>
+
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/extensions/extension_preference_api_constants.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/common/pref_names.h"
+
+namespace {
+
+// Key to report whether the attempt to enable managed mode succeeded.
+const char kEnableSuccessKey[] = "success";
+
+}  // namespace
+
+namespace keys = extension_preference_api_constants;
+
+GetManagedModeFunction::~GetManagedModeFunction() { }
+
+bool GetManagedModeFunction::RunImpl() {
+  PrefService* local_state = g_browser_process->local_state();
+  bool enabled = local_state->GetBoolean(prefs::kInManagedMode);
+
+  // Since only one managed-mode extension can be active at a time, this
+  // extension can control the value iff it is not currently enabled.
+  // (This will need to be fixed if we ever have a policy or command-line
+  // switch to prohibit managed mode.)
+  std::string level_of_control = enabled ? keys::kNotControllable
+                                         : keys::kControllableByThisExtension;
+
+  scoped_ptr<DictionaryValue> result(new DictionaryValue);
+  result->SetBoolean(keys::kValue, enabled);
+  result->SetString(keys::kLevelOfControl, level_of_control);
+  result_.reset(result.release());
+  return true;
+}
+
+EnableManagedModeFunction::~EnableManagedModeFunction() { }
+
+bool EnableManagedModeFunction::RunImpl() {
+  PrefService* local_state = g_browser_process->local_state();
+  bool enabled = local_state->GetBoolean(prefs::kInManagedMode);
+
+  bool confirmed = true;
+  if (!enabled) {
+    // TODO(pamg): WIP. Show modal password dialog and save hashed password. Set
+    //     callback_result to false if user cancels dialog.
+
+    if (confirmed)
+      local_state->SetBoolean(prefs::kInManagedMode, true);
+  }
+
+  scoped_ptr<DictionaryValue> result(new DictionaryValue);
+  result->SetBoolean(kEnableSuccessKey, confirmed);
+  result_.reset(result.release());
+  return true;
+}