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 "chrome/browser/permissions/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 void MidiPermissionContext::UpdateTabContext(const PermissionRequestID& id,
  20                                              const GURL& requesting_frame,
  21                                              bool allowed) {
  22   TabSpecificContentSettings* content_settings =
  23       TabSpecificContentSettings::GetForFrame(id.render_process_id(),
  24                                               id.render_frame_id());
  25   if (!content_settings)
  26     return;
  27
  28   if (allowed) {
  29     content_settings->OnMidiSysExAccessed(requesting_frame);
  30
  31     content::ChildProcessSecurityPolicy::GetInstance()->
  32         GrantSendMidiSysExMessage(id.render_process_id());
  33   } else {
  34     content_settings->OnMidiSysExAccessBlocked(requesting_frame);
  35   }
  36 }
  37
  38 bool MidiPermissionContext::IsRestrictedToSecureOrigins() const {
  39   return true;
  40 }