third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h

   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
  38 namespace blink {
  39
  40 class StorageQuotaCallbacks;
  41
  42 class WebStorageQuotaCallbacks {
  43 public:
  44     ~WebStorageQuotaCallbacks() { reset(); }
  45     WebStorageQuotaCallbacks() { }
  46     WebStorageQuotaCallbacks(const WebStorageQuotaCallbacks& c) { assign(c); }
  47     WebStorageQuotaCallbacks& operator=(const WebStorageQuotaCallbacks& c)
  48     {
  49         assign(c);
  50         return *this;
  51     }
  52
  53     BLINK_PLATFORM_EXPORT void reset();
  54     BLINK_PLATFORM_EXPORT void assign(const WebStorageQuotaCallbacks&);
  55
  56 #if INSIDE_BLINK
  57     BLINK_PLATFORM_EXPORT WebStorageQuotaCallbacks(StorageQuotaCallbacks*);
  58 #endif
  59
  60     // Callback for WebFrameClient::queryStorageUsageAndQuota.
  61     BLINK_PLATFORM_EXPORT void didQueryStorageUsageAndQuota(unsigned long long usageInBytes, unsigned long long quotaInBytes);
  62
  63     // Callback for WebFrameClient::requestStorageQuota.
  64     // This may return a smaller amount of quota than the requested.
  65     BLINK_PLATFORM_EXPORT void didGrantStorageQuota(unsigned long long usageInBytes, unsigned long long grantedQuotaInBytes);
  66
  67     BLINK_PLATFORM_EXPORT void didFail(WebStorageQuotaError);
  68
  69 private:
  70     WebPrivatePtr<StorageQuotaCallbacks> m_private;
  71 };
  72
  73 } // namespace blink
  74
  75 #endif // WebStorageQuotaCallbacks_h