1/*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32
33#include "modules/quota/DeprecatedStorageInfo.h"
34
35#include "core/dom/ExceptionCode.h"
36#include "core/dom/ExecutionContext.h"
37#include "modules/quota/DeprecatedStorageQuota.h"
38#include "modules/quota/StorageErrorCallback.h"
39#include "modules/quota/StorageQuotaCallback.h"
40#include "modules/quota/StorageUsageCallback.h"
41
42namespace blink {
43
44DeprecatedStorageInfo::DeprecatedStorageInfo()
45{
46}
47
48void DeprecatedStorageInfo::queryUsageAndQuota(ExecutionContext* executionContext, int storageType, StorageUsageCallback* successCallback, StorageErrorCallback* errorCallback)
49{
50    // Dispatching the request to DeprecatedStorageQuota, as this interface is deprecated in favor of DeprecatedStorageQuota.
51    DeprecatedStorageQuota* storageQuota = getStorageQuota(storageType);
52    if (!storageQuota) {
53        // Unknown storage type is requested.
54        executionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
55        return;
56    }
57    storageQuota->queryUsageAndQuota(executionContext, successCallback, errorCallback);
58}
59
60void DeprecatedStorageInfo::requestQuota(ExecutionContext* executionContext, int storageType, unsigned long long newQuotaInBytes, StorageQuotaCallback* successCallback, StorageErrorCallback* errorCallback)
61{
62    // Dispatching the request to DeprecatedStorageQuota, as this interface is deprecated in favor of DeprecatedStorageQuota.
63    DeprecatedStorageQuota* storageQuota = getStorageQuota(storageType);
64    if (!storageQuota) {
65        // Unknown storage type is requested.
66        executionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
67        return;
68    }
69    storageQuota->requestQuota(executionContext, newQuotaInBytes, successCallback, errorCallback);
70}
71
72DeprecatedStorageQuota* DeprecatedStorageInfo::getStorageQuota(int storageType)
73{
74    switch (storageType) {
75    case TEMPORARY:
76        if (!m_temporaryStorage)
77            m_temporaryStorage = DeprecatedStorageQuota::create(DeprecatedStorageQuota::Temporary);
78        return m_temporaryStorage.get();
79    case PERSISTENT:
80        if (!m_persistentStorage)
81            m_persistentStorage = DeprecatedStorageQuota::create(DeprecatedStorageQuota::Persistent);
82        return m_persistentStorage.get();
83    }
84    return 0;
85}
86
87void DeprecatedStorageInfo::trace(Visitor* visitor)
88{
89    visitor->trace(m_temporaryStorage);
90    visitor->trace(m_persistentStorage);
91}
92
93} // namespace blink
94