/*
 * Copyright (C) 2014 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
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * 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
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "web/StorageQuotaClientImpl.h"

#include "bindings/core/v8/ScriptPromise.h"
#include "bindings/core/v8/ScriptPromiseResolver.h"
#include "bindings/core/v8/ScriptState.h"
#include "core/dom/Document.h"
#include "core/dom/ExceptionCode.h"
#include "core/dom/ExecutionContext.h"
#include "core/dom/TaskRunnerHelper.h"
#include "modules/quota/DOMError.h"
#include "modules/quota/DeprecatedStorageQuotaCallbacksImpl.h"
#include "modules/quota/StorageErrorCallback.h"
#include "modules/quota/StorageQuotaCallback.h"
#include "modules/quota/StorageQuotaCallbacksImpl.h"
#include "modules/quota/StorageUsageCallback.h"
#include "public/platform/WebStorageQuotaType.h"
#include "public/web/WebFrameClient.h"
#include "web/WebLocalFrameImpl.h"
#include "wtf/Threading.h"

namespace blink {

StorageQuotaClientImpl::StorageQuotaClientImpl() {}

StorageQuotaClientImpl::~StorageQuotaClientImpl() {}

void StorageQuotaClientImpl::requestQuota(ExecutionContext* executionContext,
                                          WebStorageQuotaType storageType,
                                          unsigned long long newQuotaInBytes,
                                          StorageQuotaCallback* successCallback,
                                          StorageErrorCallback* errorCallback) {
  DCHECK(executionContext);

  if (executionContext->isDocument()) {
    Document* document = toDocument(executionContext);
    WebLocalFrameImpl* webFrame =
        WebLocalFrameImpl::fromFrame(document->frame());
    StorageQuotaCallbacks* callbacks =
        DeprecatedStorageQuotaCallbacksImpl::create(successCallback,
                                                    errorCallback);
    webFrame->client()->requestStorageQuota(storageType, newQuotaInBytes,
                                            callbacks);
  } else {
    // Requesting quota in Worker is not supported.
    executionContext->postTask(TaskType::MiscPlatformAPI, BLINK_FROM_HERE,
                               StorageErrorCallback::createSameThreadTask(
                                   errorCallback, NotSupportedError));
  }
}

ScriptPromise StorageQuotaClientImpl::requestPersistentQuota(
    ScriptState* scriptState,
    unsigned long long newQuotaInBytes) {
  ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
  ScriptPromise promise = resolver->promise();

  if (scriptState->getExecutionContext()->isDocument()) {
    Document* document = toDocument(scriptState->getExecutionContext());
    WebLocalFrameImpl* webFrame =
        WebLocalFrameImpl::fromFrame(document->frame());
    StorageQuotaCallbacks* callbacks =
        StorageQuotaCallbacksImpl::create(resolver);
    webFrame->client()->requestStorageQuota(WebStorageQuotaTypePersistent,
                                            newQuotaInBytes, callbacks);
  } else {
    // Requesting quota in Worker is not supported.
    resolver->reject(DOMError::create(NotSupportedError));
  }

  return promise;
}

}  // namespace blink