1/*
2 * Copyright (C) 2013 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#ifndef WebStorageQuotaCallbacks_h
32#define WebStorageQuotaCallbacks_h
33
34#include "WebCommon.h"
35#include "WebPrivatePtr.h"
36#include "WebStorageQuotaError.h"
37
38namespace WTF { template <typename T> class PassOwnPtr; }
39
40namespace blink {
41
42class StorageQuotaCallbacks;
43class WebStorageQuotaCallbacksPrivate;
44
45class WebStorageQuotaCallbacks {
46public:
47    ~WebStorageQuotaCallbacks() { reset(); }
48    WebStorageQuotaCallbacks() { }
49    WebStorageQuotaCallbacks(const WebStorageQuotaCallbacks& c) { assign(c); }
50    WebStorageQuotaCallbacks& operator=(const WebStorageQuotaCallbacks& c)
51    {
52        assign(c);
53        return *this;
54    }
55
56    BLINK_PLATFORM_EXPORT void reset();
57    BLINK_PLATFORM_EXPORT void assign(const WebStorageQuotaCallbacks&);
58
59#if INSIDE_BLINK
60    BLINK_PLATFORM_EXPORT WebStorageQuotaCallbacks(const PassOwnPtrWillBeRawPtr<StorageQuotaCallbacks>&);
61#endif
62
63    // Callback for WebFrameClient::queryStorageUsageAndQuota.
64    BLINK_PLATFORM_EXPORT void didQueryStorageUsageAndQuota(unsigned long long usageInBytes, unsigned long long quotaInBytes);
65
66    // Callback for WebFrameClient::requestStorageQuota.
67    // This may return a smaller amount of quota than the requested.
68    BLINK_PLATFORM_EXPORT void didGrantStorageQuota(unsigned long long usageInBytes, unsigned long long grantedQuotaInBytes);
69
70    BLINK_PLATFORM_EXPORT void didFail(WebStorageQuotaError);
71
72private:
73    WebPrivatePtr<WebStorageQuotaCallbacksPrivate> m_private;
74};
75
76} // namespace blink
77
78#endif // WebStorageQuotaCallbacks_h
79