third_party/blink/renderer/modules/webdatabase/database_client.cc

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#include "third_party/blink/renderer/modules/webdatabase/database_client.h"

#include "third_party/blink/public/platform/web_content_settings_client.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/page/page.h"
#include "third_party/blink/renderer/modules/webdatabase/database.h"

namespace blink {

DatabaseClient::DatabaseClient(Page& page) : Supplement(page) {}

void DatabaseClient::Trace(Visitor* visitor) const {
  Supplement<Page>::Trace(visitor);
}

DatabaseClient* DatabaseClient::FromPage(Page* page) {
  return Supplement<Page>::From<DatabaseClient>(page);
}

DatabaseClient* DatabaseClient::From(ExecutionContext* context) {
  return DatabaseClient::FromPage(
      To<LocalDOMWindow>(context)->GetFrame()->GetPage());
}

const char DatabaseClient::kSupplementName[] = "DatabaseClient";

bool DatabaseClient::AllowDatabase(ExecutionContext* context) {
  DCHECK(context->IsContextThread());
  LocalDOMWindow* window = To<LocalDOMWindow>(context);
  return window->GetFrame()->AllowStorageAccessSyncAndNotify(
      WebContentSettingsClient::StorageType::kDatabase);
}

}  // namespace blink