extensions/common/permissions/permission_message_provider.cc

   1 // Copyright 2013 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 "extensions/common/permissions/permission_message_provider.h"
   6
   7 #include "base/metrics/field_trial.h"
   8 #include "base/strings/string_split.h"
   9 #include "extensions/common/extensions_client.h"
  10
  11 namespace extensions {
  12
  13 namespace {
  14
  15 ForceForTesting g_force_permission_system_for_testing =
  16     ForceForTesting::DONT_FORCE;
  17
  18 bool IsNewPermissionMessageSystemEnabled() {
  19   if (g_force_permission_system_for_testing != ForceForTesting::DONT_FORCE)
  20     return g_force_permission_system_for_testing == ForceForTesting::FORCE_NEW;
  21   const std::string group_name =
  22       base::FieldTrialList::FindFullName("PermissionMessageSystem");
  23   return group_name != "OldSystem";
  24 }
  25
  26 }  // namespace
  27
  28 void ForcePermissionMessageSystemForTesting(
  29     ForceForTesting force) {
  30   g_force_permission_system_for_testing = force;
  31 }
  32
  33 PermissionMessageString::PermissionMessageString(
  34     const CoalescedPermissionMessage& message)
  35     : message(message.message()), submessages(message.submessages()) {
  36 }
  37
  38 PermissionMessageString::PermissionMessageString(const base::string16& message)
  39     : message(message) {
  40 }
  41
  42 PermissionMessageString::PermissionMessageString(
  43     const base::string16& message,
  44     const std::vector<base::string16>& submessages)
  45     : message(message), submessages(submessages) {
  46 }
  47
  48 PermissionMessageString::PermissionMessageString(const base::string16& message,
  49                                                  const base::string16& details)
  50     : message(message) {
  51   base::SplitString(details, base::char16('\n'), &submessages);
  52 }
  53
  54 PermissionMessageString::~PermissionMessageString() {
  55 }
  56
  57 // static
  58 const PermissionMessageProvider* PermissionMessageProvider::Get() {
  59   return &(ExtensionsClient::Get()->GetPermissionMessageProvider());
  60 }
  61
  62 PermissionMessageStrings
  63 PermissionMessageProvider::GetPermissionMessageStrings(
  64     const PermissionSet* permissions,
  65     Manifest::Type extension_type) const {
  66   PermissionMessageStrings strings;
  67   if (IsNewPermissionMessageSystemEnabled()) {
  68     CoalescedPermissionMessages messages = GetCoalescedPermissionMessages(
  69         GetAllPermissionIDs(permissions, extension_type));
  70     for (const CoalescedPermissionMessage& msg : messages)
  71       strings.push_back(PermissionMessageString(msg));
  72   } else {
  73     std::vector<base::string16> messages =
  74         GetLegacyWarningMessages(permissions, extension_type);
  75     std::vector<base::string16> details =
  76         GetLegacyWarningMessagesDetails(permissions, extension_type);
  77     DCHECK_EQ(messages.size(), details.size());
  78     for (size_t i = 0; i < messages.size(); i++)
  79       strings.push_back(PermissionMessageString(messages[i], details[i]));
  80   }
  81   return strings;
  82 }
  83
  84 }  // namespace extensions