chrome/browser/media/midi_permission_context.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 "chrome/browser/media/midi_permission_context.h"
   6
   7 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
   8 #include "components/content_settings/core/common/permission_request_id.h"
   9 #include "content/public/browser/child_process_security_policy.h"
  10 #include "url/gurl.h"
  11
  12 MidiPermissionContext::MidiPermissionContext(Profile* profile)
  13     : PermissionContextBase(profile, CONTENT_SETTINGS_TYPE_MIDI_SYSEX) {
  14 }
  15
  16 MidiPermissionContext::~MidiPermissionContext() {
  17 }
  18
  19
  20 void MidiPermissionContext::UpdateTabContext(const PermissionRequestID& id,
  21                                              const GURL& requesting_frame,
  22                                              bool allowed) {
  23   TabSpecificContentSettings* content_settings =
  24       TabSpecificContentSettings::Get(id.render_process_id(),
  25                                       id.render_view_id());
  26   if (!content_settings)
  27     return;
  28
  29   if (allowed) {
  30     content_settings->OnMidiSysExAccessed(requesting_frame);
  31
  32     content::ChildProcessSecurityPolicy::GetInstance()->
  33         GrantSendMidiSysExMessage(id.render_process_id());
  34   } else {
  35     content_settings->OnMidiSysExAccessBlocked(requesting_frame);
  36   }
  37 }