[sensors] Add Permission guard to the generic sensor apis.

chrome/browser/permissions/permission_manager.cc

 // Copyright 2015 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/permissions/permission_manager.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/callback.h"
 #include "base/memory/ptr_util.h"
 #include "build/build_config.h"
 #include "chrome/browser/background_sync/background_sync_permission_context.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/media/midi_permission_context.h"
 #include "chrome/browser/media/webrtc/media_stream_device_permission_context.h"
 #include "chrome/browser/notifications/notification_permission_context.h"
 #include "chrome/browser/permissions/permission_context_base.h"
 #include "chrome/browser/permissions/permission_manager_factory.h"
 #include "chrome/browser/permissions/permission_request_id.h"
 #include "chrome/browser/permissions/permission_result.h"
 #include "chrome/browser/permissions/permission_uma_util.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/sensor/sensor_permission_context.h"
 #include "chrome/browser/storage/durable_storage_permission_context.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/common/features.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/permission_type.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 #include "ppapi/features/features.h"
@@ skipping 35 matching lines @@
 
   NOTREACHED();
   return PermissionStatus::DENIED;
 }
 
 // Helper method to convert PermissionType to ContentSettingType.
 ContentSettingsType PermissionTypeToContentSetting(PermissionType permission) {
   switch (permission) {
     case PermissionType::MIDI:
       return CONTENT_SETTINGS_TYPE_MIDI;
+    case PermissionType::SENSORS:
+      return CONTENT_SETTINGS_TYPE_SENSORS;
+    case PermissionType::AMBIENT_LIGHT_SENSOR:
+      return CONTENT_SETTINGS_TYPE_AMBIENT_LIGHT_SENSOR;
+    case PermissionType::MAGNETOMETER:
+      return CONTENT_SETTINGS_TYPE_MAGNETOMETER;
+    case PermissionType::ACCELEROMETER:
+      return CONTENT_SETTINGS_TYPE_ACCELEROMETER;
+    case PermissionType::GYROSCOPE:
+      return CONTENT_SETTINGS_TYPE_GYROSCOPE;
+    case PermissionType::ORIENTATION_SENSOR:
+      return CONTENT_SETTINGS_TYPE_ORIENTATION_SENSOR;
     case PermissionType::MIDI_SYSEX:
       return CONTENT_SETTINGS_TYPE_MIDI_SYSEX;
     case PermissionType::PUSH_MESSAGING:
       return CONTENT_SETTINGS_TYPE_PUSH_MESSAGING;
     case PermissionType::NOTIFICATIONS:
       return CONTENT_SETTINGS_TYPE_NOTIFICATIONS;
     case PermissionType::GEOLOCATION:
       return CONTENT_SETTINGS_TYPE_GEOLOCATION;
     case PermissionType::PROTECTED_MEDIA_IDENTIFIER:
 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
@@ skipping 20 matching lines @@
   NOTREACHED() << "Unknown content setting for permission "
                << static_cast<int>(permission);
   return CONTENT_SETTINGS_TYPE_DEFAULT;
 }
 
 // Returns whether the permission has a constant ContentSetting value (i.e.
 // always approved or always denied)
 // The ContentSettingsTypes for which true is returned will also return nullptr
 // in PermissionManager::GetPermissionContext since they don't have a context.
 bool IsConstantPermission(ContentSettingsType type) {
-  return type == CONTENT_SETTINGS_TYPE_MIDI;
+  return (type == CONTENT_SETTINGS_TYPE_MIDI ||
+          type == CONTENT_SETTINGS_TYPE_ACCELEROMETER ||
+          type == CONTENT_SETTINGS_TYPE_GYROSCOPE);
 }
 
 void SubscriptionCallbackWrapper(
     const base::Callback<void(PermissionStatus)>& callback,
     ContentSetting content_setting) {
   callback.Run(ContentSettingToPermissionStatus(content_setting));
 }
 
 void PermissionStatusCallbackWrapper(
     const base::Callback<void(PermissionStatus)>& callback,
@@ skipping 23 matching lines @@
 // value i.e. they are always approved or always denied etc.
 // CONTENT_SETTING_DEFAULT is returned if the permission needs further handling.
 // This function should only be called when IsConstantPermission has returned
 // true for the PermissionType.
 ContentSetting GetContentSettingForConstantPermission(
     ContentSettingsType type) {
   DCHECK(IsConstantPermission(type));
   switch (type) {
     case CONTENT_SETTINGS_TYPE_MIDI:
       return CONTENT_SETTING_ALLOW;
+    case CONTENT_SETTINGS_TYPE_AMBIENT_LIGHT_SENSOR:
+      return CONTENT_SETTING_ALLOW;
     default:
       return CONTENT_SETTING_BLOCK;
   }
 }
 
 }  // anonymous namespace
 
 class PermissionManager::PendingRequest {
  public:
   PendingRequest(
@@ skipping 52 matching lines @@
 // static
 PermissionManager* PermissionManager::Get(Profile* profile) {
   return PermissionManagerFactory::GetForProfile(profile);
 }
 
 PermissionManager::PermissionManager(Profile* profile)
     : profile_(profile),
       weak_ptr_factory_(this) {
   permission_contexts_[CONTENT_SETTINGS_TYPE_MIDI_SYSEX] =
       base::MakeUnique<MidiPermissionContext>(profile);
+  permission_contexts_[CONTENT_SETTINGS_TYPE_SENSORS] =
+      base::MakeUnique<SensorPermissionContext>(profile);
   permission_contexts_[CONTENT_SETTINGS_TYPE_PUSH_MESSAGING] =
       base::MakeUnique<NotificationPermissionContext>(
           profile, CONTENT_SETTINGS_TYPE_PUSH_MESSAGING);
   permission_contexts_[CONTENT_SETTINGS_TYPE_NOTIFICATIONS] =
       base::MakeUnique<NotificationPermissionContext>(
           profile, CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
 #if !defined(OS_ANDROID)
   permission_contexts_[CONTENT_SETTINGS_TYPE_GEOLOCATION] =
       base::MakeUnique<GeolocationPermissionContext>(profile);
 #else
   permission_contexts_[CONTENT_SETTINGS_TYPE_GEOLOCATION] =
       base::MakeUnique<GeolocationPermissionContextAndroid>(profile);
 #endif
 #if defined(OS_CHROMEOS) || defined(OS_ANDROID)
   permission_contexts_[CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER] =
       base::MakeUnique<ProtectedMediaIdentifierPermissionContext>(profile);
 #endif
   permission_contexts_[CONTENT_SETTINGS_TYPE_DURABLE_STORAGE] =
       base::MakeUnique<DurableStoragePermissionContext>(profile);
   permission_contexts_[CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC] =
       base::MakeUnique<MediaStreamDevicePermissionContext>(
           profile, CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC);
   permission_contexts_[CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA] =
       base::MakeUnique<MediaStreamDevicePermissionContext>(
           profile, CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA);
   permission_contexts_[CONTENT_SETTINGS_TYPE_BACKGROUND_SYNC] =
       base::MakeUnique<BackgroundSyncPermissionContext>(profile);
+  permission_contexts_[CONTENT_SETTINGS_TYPE_SENSORS] =
+      base::MakeUnique<SensorPermissionContext>(profile);
 #if BUILDFLAG(ENABLE_PLUGINS)
   permission_contexts_[CONTENT_SETTINGS_TYPE_PLUGINS] =
       base::MakeUnique<FlashPermissionContext>(profile);
 #endif
 }
 
 PermissionManager::~PermissionManager() {
   if (!subscriptions_.IsEmpty())
     HostContentSettingsMapFactory::GetForProfile(profile_)
         ->RemoveObserver(this);
@@ skipping 276 matching lines @@
   }
   PermissionContextBase* context = GetPermissionContext(permission);
   PermissionResult result = context->GetPermissionStatus(
       nullptr /* render_frame_host */, requesting_origin.GetOrigin(),
       embedding_origin.GetOrigin());
   DCHECK(result.content_setting == CONTENT_SETTING_ALLOW ||
          result.content_setting == CONTENT_SETTING_ASK ||
          result.content_setting == CONTENT_SETTING_BLOCK);
   return result;
 }